/* ==========================================================================
   DIGITECH CORPORATE - CORE STYLESHEET (CLEANED & OPTIMIZED)
   ========================================================================== */

/* ---------- 1. DESIGN TOKENS (HỆ BIẾN THƯƠNG HIỆU DIGITECH) ---------- */
:root {
  /* Nền tối Cyber & Khối Kính (Dark Glass Surfaces) */
  --ink-000:       #040508;          /* Nền sâu nhất (Hero / Modal backdrop) */
  --ink-deep:      #08090d;          /* Nền chính trang web */
  --ink:           #0d0e14;          /* Nền Card / Section mặc định */
  --ink-card:      #12131a;          /* Nền Card nâng cao */
  --ink-elev:      #1a1b24;          /* Trạng thái Hover của Card */
  
  /* Đường viền & Kẻ phân cách (Borders & Separators) */
  --ink-line:      rgba(255, 255, 255, 0.08);
  --ink-line-soft: rgba(255, 255, 255, 0.04);
  --ink-rule:      rgba(255, 255, 255, 0.15);

  /* Màu chữ (Typography Palette) */
  --paper:         #ffffff;          /* Chữ tiêu đề / Nổi bật chính */
  --paper-soft:    #c5c7d0;          /* Chữ nội dung phụ / Mô tả */
  --paper-mute:    #7e8294;          /* Chữ chú thích nhỏ / Caption */
  --paper-deep:    #525666;          /* Nhãn phụ mờ */

  /* Màu vàng hổ phách thương hiệu DIGITECH (Gold / Amber Accent) */
  --lime:          #e3a037;          /* Màu vàng ánh kim chủ đạo */
  --lime-soft:     #ffd580;          /* Ánh vàng sáng (Hover text / Điểm nhấn) */
  --lime-deep:     #c4710a;          /* Màu cam vàng đậm khi Active */
  --lime-glow:     rgba(227, 160, 55, 0.25); /* Ánh hào quang Neon */

  /* Phân lớp màu bề mặt theo ngữ cảnh */
  --bg:            var(--ink-deep);
  --bg-alt:        var(--ink-000);
  --bg-card:       var(--ink-card);
  --bg-elev:       var(--ink-elev);

  --fg:            var(--paper);
  --fg-soft:       var(--paper-soft);
  --fg-mute:       var(--paper-mute);

  --rule:          var(--ink-line);
  --rule-strong:   var(--ink-rule);

  /* Phông chữ hệ thống */
  --font-display:  'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body:     'Inter Tight', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:     'Geist Mono', 'Space Mono', Menlo, Consolas, monospace;

  /* Cỡ chữ Co dãn linh hoạt (Fluid Typography) */
  --text-xs:   0.75rem;
  --text-sm:   0.8125rem;
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg:   clamp(1.1rem, 1rem + 0.4vw, 1.25rem);
  --text-xl:   clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --text-2xl:  clamp(1.5rem, 1.25rem + 0.95vw, 2rem);
  --text-3xl:  clamp(1.85rem, 1.45rem + 1.6vw, 2.5rem);
  --text-4xl:  clamp(2.3rem, 1.7rem + 2.4vw, 3.5rem);
  --text-5xl:  clamp(2.8rem, 1.9rem + 3.2vw, 4.5rem);

  /* Khoảng cách (Spacing System) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  3rem;
  --space-8:  4.5rem;
  --space-9:  6rem;

  /* Bo góc (Border Radii) */
  --radius-sm:   8px;
  --radius:      12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 999px;

  /* Kích thước khung hiển thị (Container Max-Widths) */
  --container:        1340px;
  --container-wide:   1480px;
  --container-narrow: 1080px;
  --gutter:           clamp(1.25rem, 1rem + 1.5vw, 2.25rem);

  /* Animation & Hiệu ứng chuyển động */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 200ms;
  --dur-base: 350ms;
}

/* ---------- 2. BASE RESET ---------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: 0;
  color: inherit;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background: var(--lime);
  color: var(--ink-000);
}

/* ---------- 3. LAYOUT SYSTEM ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--wide   { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

section {
  padding-block: var(--space-9);
  position: relative;
}

section.compact { padding-block: var(--space-7); }
section.snug    { padding-block: var(--space-8); }

.grid { display: grid; gap: var(--space-6); }
.flex { display: flex; }
.center-row { display: flex; align-items: center; gap: var(--space-4); }

/* ---------- 4. TYPOGRAPHY SYSTEM ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--lime);
  box-shadow: 0 0 8px var(--lime);
  border-radius: 50%;
  display: inline-block;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.25;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  margin: 0 0 var(--space-4);
  color: var(--fg-soft);
}
p:last-child { margin-bottom: 0; }

.lede {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--fg-soft);
  max-width: 62ch;
}

.mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-mute);
}

.label--lime {
  color: var(--lime);
}

/* ---------- 5. SITE HEADER & FLOATING BAR ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 13, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--rule);
  transition: all var(--dur-base) var(--ease-out);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}

/* Mobile Drawer (Menu trượt trên điện thoại) */
.nav-mobile-toggle, .nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--fg);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--fg);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }

.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(4, 5, 8, 0.96);
  backdrop-filter: blur(20px);
  z-index: 9999;
  padding: var(--space-7) var(--gutter);
  display: none;
  flex-direction: column;
  gap: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
}

.mobile-drawer.open { display: flex; }
.mobile-drawer a { color: var(--fg); }
.mobile-drawer a:hover { color: var(--lime); }

.drawer-close {
  align-self: flex-end;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  color: var(--fg-mute);
  cursor: pointer;
}
/* ---------- 6. BUTTONS & CYBER CTA ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  border: 1px solid transparent;
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--lime);
  color: var(--ink-000);
  box-shadow: 0 4px 18px var(--lime-glow);
}

.btn--primary:hover {
  background: var(--lime-soft);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(227, 160, 55, 0.45);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--fg);
  border-color: var(--rule-strong);
}

.btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime-soft);
  background: rgba(227, 160, 55, 0.08);
}

.btn--dark {
  background: var(--ink-card);
  color: var(--paper);
  border: 1px solid var(--rule);
}

.btn--dark:hover {
  background: var(--ink-elev);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn--sm { padding: 8px 16px; font-size: var(--text-xs); }
.btn--lg { padding: 16px 32px; font-size: 0.95rem; }

.btn .arrow {
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* ---------- 7. HERO BANNER & 3D SHOWCASE ---------- */
.hero {
  padding-block: var(--space-8) var(--space-9);
  background:
    radial-gradient(900px 480px at 85% 10%, var(--lime-glow), transparent 65%),
    radial-gradient(800px 500px at 10% 90%, rgba(227, 160, 55, 0.06), transparent 60%),
    var(--bg);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
  gap: var(--space-7);
  align-items: center;
}

.hero-text > * + * {
  margin-top: var(--space-5);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  font-weight: 900;
  line-height: 1.18;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.hero-headline .lime {
  color: var(--lime);
  text-shadow: 0 0 24px rgba(227, 160, 55, 0.4);
}

.hero-headline .slash {
  color: var(--paper-mute);
  font-weight: 300;
  margin-inline: 0.25rem;
}

.hero-sub {
  color: var(--fg-soft);
  font-size: 0.98rem;
  line-height: 1.68;
  max-width: 52ch;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  color: var(--fg-mute);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  padding-top: var(--space-4);
  border-top: 1px solid var(--rule);
  margin-top: var(--space-6);
}

.hero-meta strong {
  color: var(--fg);
  font-weight: 700;
}

/* KHUNG ẢNH HERO 3D TILT */
.hero-media {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 460px;
  aspect-ratio: 4 / 4.5;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.85);
  isolation: isolate;
  border: 1px solid var(--rule);
  border-bottom: 2px solid rgba(227, 160, 55, 0.8);
  filter: drop-shadow(0 14px 28px rgba(227, 160, 55, 0.22));
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.2s ease-out, filter 0.3s ease;
  will-change: transform;
}

.slides-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.6s ease-in-out, visibility 0.6s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 2;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* FLOATING CHIPS TRÊN HERO - TỐI ƯU CÂN ĐỐI CHỐNG TRÀN MÉP */
.floating-tag {
  position: absolute;
  background: rgba(11, 14, 20, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--fg, #ffffff);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.65);
  z-index: 10;
  user-select: none;
}

.floating-tag .pill {
  background: var(--lime, #e3a037);
  color: #07090c;
  padding: 3px 9px;
  border-radius: 99px;
  font-weight: 800;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* 1. KHUNG TAG PHÍA TRÊN */
.ft-top {
  top: 16px;
  left: 16px;
  right: auto;
  max-width: calc(100% - 32px);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 6px;
  border-radius: 99px;
  border-color: rgba(227, 160, 55, 0.35);
  font-family: 'Space Grotesk', var(--font-display, sans-serif);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* 2. KHUNG TAG PHÍA DƯỚI (CĂN GIỮA ĐỀU 2 MÉP) */
.ft-bottom {
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 9px 14px;
  border-radius: 12px;
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.9);
}

.ft-mid-r {
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
}

/* ---------- 8. STAT STRIP (4 Ô CHẠY VIỀN SÁNG ĐỘC LẬP) ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin-top: var(--space-8);
}

.stat-cell {
  position: relative;
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-radius: var(--radius);
  overflow: hidden;
  isolation: isolate;
  background: var(--bg-card);
  transition: transform 0.3s ease;
}

.stat-cell:hover {
  transform: translateY(-4px);
}

/* Chùm sáng xoay quanh viền từng ô */
.stat-cell::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    transparent 0%,
    transparent 65%,
    var(--lime) 85%,
    #ffd580 100%
  );
  animation: rotateGlowCell 4s linear infinite;
  z-index: -2;
}

.stat-cell::after {
  content: '';
  position: absolute;
  inset: 1.5px;
  background: #0b0c12;
  border-radius: 10.5px;
  z-index: -1;
}

@keyframes rotateGlowCell {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: #ffffff;
  text-shadow: 0 0 16px rgba(255, 255, 255, 0.3);
}

.stat-num .lime {
  color: var(--lime);
  text-shadow: 0 0 16px rgba(227, 160, 55, 0.7);
}

.stat-cell:hover .stat-num .lime {
  color: var(--lime-soft);
  text-shadow: 0 0 24px rgba(227, 160, 55, 0.95);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-mute);
  line-height: 1.4;
}

/* ---------- 9. SECTION HEADERS CHUẨN DOANH NGHIỆP ---------- */
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-7);
  align-items: end;
  margin-bottom: var(--space-7);
}

.section-head h2 {
  font-size: var(--text-4xl);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.section-head .lede {
  max-width: 50ch;
  margin: 0;
}

/* ---------- 10. WORK GRID & SHOWCASE ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
}

.work-item {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--rule);
  isolation: isolate;
  transition: all 0.35s var(--ease-out);
}

.work-item:hover {
  border-color: rgba(227, 160, 55, 0.6);
  transform: translateY(-6px);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.7), 0 0 25px rgba(227, 160, 55, 0.15);
}

.work-item .wm {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.work-item:hover img {
  transform: scale(1.06);
}

.work-item .wm-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(8, 9, 13, 0.85);
  backdrop-filter: blur(8px);
  color: var(--lime);
  border: 1px solid rgba(227, 160, 55, 0.35);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.work-item .wm-arrow {
  position: absolute;
  bottom: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  background: var(--lime);
  color: var(--ink-000);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-fast) var(--ease-out);
}

.work-item:hover .wm-arrow {
  transform: scale(1.1) rotate(45deg);
}

.work-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  font-family: var(--font-mono);
}

.work-meta .wm-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  text-transform: uppercase;
  color: var(--fg);
}

.work-meta .wm-cap {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

.work-item--xl { grid-column: span 8; }
.work-item--lg { grid-column: span 7; }
.work-item--md { grid-column: span 5; }
.work-item--sm { grid-column: span 4; }

@media (max-width: 992px) {
  .hero-grid, .section-head { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .work-item--xl, .work-item--lg, .work-item--md, .work-item--sm { grid-column: span 12; }
}

@media (max-width: 576px) {
  .stat-strip { grid-template-columns: 1fr; }
}

/* ---------- 11. CHAPTER & BRAND NARRATIVE ---------- */
.chapter {
  padding-block: var(--space-9);
}

.chapter-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: var(--space-8);
  align-items: start;
}

.chapter-grid .label {
  margin-bottom: var(--space-4);
}

.chapter-body p {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--fg-soft);
  max-width: 60ch;
}

/* KHỐI TRÍCH DẪN ĐIỂM NHẤN (PULL-QUOTE) */
.pull-quote {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: -0.015em;
  color: #ffffff;
  margin-block: var(--space-6);
  padding-inline-start: var(--space-5);
  border-inline-start: 3px solid var(--lime);
  max-width: 26ch;
}

.pull-quote cite {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
  margin-top: var(--space-3);
  font-style: normal;
}

/* ---------- 12. CAPABILITY BENTO (LƯỚI NĂNG LỰC CÔNG NGHỆ) ---------- */
.cap-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-5);
}

.cap-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
  transition: all 0.35s var(--ease-out);
}

.cap-card:hover {
  border-color: rgba(227, 160, 55, 0.6);
  background: var(--ink-elev);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.8), 0 0 20px rgba(227, 160, 55, 0.12);
}

.cap-card .label {
  color: var(--fg-mute);
}

.cap-card h3 {
  font-size: var(--text-xl);
  line-height: 1.3;
  text-transform: uppercase;
  color: #ffffff;
}

.cap-card p {
  color: var(--fg-soft);
  line-height: 1.6;
  margin: 0;
}

.cap-card .cap-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
  font-weight: 700;
}

.cap-card--wide { grid-column: span 6; }
.cap-card--std  { grid-column: span 3; }
.cap-card--tall {
  grid-column: span 4;
  grid-row: span 2;
  aspect-ratio: 4 / 5;
  padding: 0;
}

.cap-card--tall img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.cap-card--tall:hover img {
  transform: scale(1.06);
}

.cap-card--tall .cap-tall-meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-5);
  background: linear-gradient(180deg, transparent 0%, rgba(8, 9, 13, 0.95) 100%);
  color: var(--paper);
  z-index: 2;
}

/* ---------- 13. PROCESS GRID (QUY TRÌNH DẠNG CARD) ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  counter-reset: step;
}

.process-card {
  padding: var(--space-6);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all 0.3s var(--ease-out);
}

.process-card:hover {
  border-color: var(--lime);
  transform: translateY(-4px);
}

.process-card::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--lime);
  font-weight: 800;
}

.process-card h3 {
  font-size: var(--text-lg);
  text-transform: uppercase;
  color: #ffffff;
}

.process-card p {
  color: var(--fg-soft);
  font-size: var(--text-base);
  margin: 0;
}

/* ---------- 14. SPLIT-IMAGE CHAPTER (BỐ CỤC 2 CỘT ẢNH & THÔNG TIN) ---------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: center;
  padding-block: var(--space-9);
}

.split--reverse .split-text {
  order: 2;
}

.split-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.split-text h2 {
  font-size: var(--text-3xl);
  line-height: 1.25;
  text-transform: uppercase;
  color: #ffffff;
}

.split-text p {
  color: var(--fg-soft);
  font-size: var(--text-base);
  line-height: 1.65;
  margin: 0;
}

/* DANH SÁCH BẢNG THÔNG SỐ KỸ THUẬT (FACT LIST) */
.split-fact-list {
  list-style: none;
  margin: var(--space-3) 0 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.split-fact-list li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--rule);
  font-size: var(--text-sm);
}

.split-fact-list li b {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
}

.split-fact-list li span {
  color: var(--paper-soft);
}

.split-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--rule);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.85);
}

.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-img .ft-corner {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: var(--lime);
  color: var(--ink-000);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

/* ---------- RESPONSIVE CHO BENTO & SPLIT ---------- */
@media (max-width: 992px) {
  .chapter-grid, .split {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .split--reverse .split-text {
    order: 1;
  }
  .cap-card--wide, .cap-card--std, .cap-card--tall {
    grid-column: span 12;
  }
  .cap-card--tall {
    aspect-ratio: 16 / 9;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
  .split-fact-list li {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }
}

/* ---------- 16. PRESS & CLIENT LOGO STRIP ---------- */
.press-strip {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-7);
  align-items: center;
  padding-block: var(--space-7);
  border-block: 1px solid var(--rule);
}

.press-strip .label {
  font-size: var(--text-xs);
}

.press-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-7);
  align-items: center;
  color: var(--fg-mute);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.press-row span {
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out);
}

.press-row span:hover {
  color: var(--lime);
}

/* ---------- 17. SERVICE TIERS & PRICING PACKAGES ---------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.tier-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  transition: all 0.35s var(--ease-out);
}

.tier-card:hover {
  border-color: rgba(227, 160, 55, 0.6);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.8), 0 0 20px var(--lime-glow);
}

.tier-card.featured {
  background: #0f1118;
  border-color: var(--lime);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.9), 0 0 25px var(--lime-glow);
}

.tier-card .label {
  color: var(--fg-mute);
}

.tier-card.featured .label {
  color: var(--lime);
  font-weight: 700;
}

.tier-card h3 {
  font-size: var(--text-2xl);
  text-transform: uppercase;
  color: #ffffff;
}

.tier-meta {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--fg-soft);
}

.tier-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.tier-list li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  color: var(--fg-soft);
}

.tier-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  margin-top: 8px;
  background: var(--lime);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--lime);
}

.tier-divider {
  border: 0;
  border-top: 1px solid var(--rule);
  margin-block: var(--space-3);
}

/* ---------- 18. CYBER CONTACT FORM ---------- */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  display: grid;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-row--full {
  grid-template-columns: 1fr;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

.form-field input,
.form-field textarea,
.form-field select {
  background: var(--ink-000);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--paper-deep);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: 0;
  border-color: var(--lime);
  background: var(--ink-elev);
  box-shadow: 0 0 12px var(--lime-glow);
}

.form-field textarea {
  resize: vertical;
  min-height: 140px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--rule);
}

.form-actions small {
  color: var(--fg-mute);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

/* ---------- 19. FAQ ACCORDION GRID ---------- */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.faq-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-6);
  transition: border-color var(--dur-fast) var(--ease-out);
}

.faq-card:hover {
  border-color: rgba(227, 160, 55, 0.4);
}

.faq-card h3 {
  font-size: var(--text-lg);
  line-height: 1.35;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  color: #ffffff;
}

.faq-card p {
  color: var(--fg-soft);
  font-size: var(--text-sm);
  line-height: 1.6;
  margin: 0;
}

/* ---------- 20. JOURNAL / TECH NOTES ---------- */
.journal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.journal-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-top: 1px solid var(--rule);
  padding-top: var(--space-5);
}

.journal-card .j-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
}

.journal-card .j-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}

.journal-card:hover .j-img img {
  transform: scale(1.05);
}

.journal-card h3 {
  font-size: var(--text-xl);
  line-height: 1.35;
  text-transform: uppercase;
  color: #ffffff;
}

.journal-card .j-meta {
  display: flex;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
}

/* ---------- 21. AWARDS & ACHIEVEMENTS STRIP ---------- */
.awards-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--rule);
}

.award-cell {
  padding: var(--space-6) var(--space-5);
  border-inline-end: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.award-cell:last-child {
  border-inline-end: 0;
}

.award-num {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  line-height: 1.1;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--lime);
  text-shadow: 0 0 16px var(--lime-glow);
}

.award-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

/* ---------- 22. TEAM & LEADERSHIP GRID ---------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.team-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.team-card .t-img {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-card);
  border: 1px solid var(--rule);
}

.team-card .t-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2);
  transition: all var(--dur-base) var(--ease-out);
}

.team-card:hover .t-img img {
  filter: grayscale(0);
  transform: scale(1.04);
}

.team-card h3 {
  font-size: var(--text-base);
  text-transform: uppercase;
  color: #ffffff;
  margin: 0;
}

.team-card .t-role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
}

/* ---------- 23. CONTACT CHANNELS BENTO ---------- */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all 0.3s var(--ease-out);
}

.channel-card:hover {
  border-color: var(--lime);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px var(--lime-glow);
}

.channel-card .label {
  color: var(--lime);
  font-weight: 700;
}

.channel-card h3 {
  font-size: var(--text-xl);
  text-transform: uppercase;
  color: #ffffff;
}

.channel-card p {
  color: var(--fg-soft);
  font-size: var(--text-sm);
  margin: 0;
}

.channel-card .channel-line {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: #ffffff;
  letter-spacing: 0.04em;
}

.channel-card a.channel-line:hover {
  color: var(--lime);
}

/* ---------- 24. CLOSING CTA BANNER ---------- */
.closing-cta {
  background: linear-gradient(135deg, #e3a037 0%, #c4710a 100%);
  color: var(--ink-000);
  padding-block: var(--space-9);
  position: relative;
  overflow: hidden;
}

.closing-cta .container {
  display: grid;
  gap: var(--space-6);
  position: relative;
  z-index: 2;
}

.closing-cta h2 {
  font-size: var(--text-mega);
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--ink-000);
  max-width: 22ch;
}

.closing-cta .lede {
  color: rgba(4, 5, 8, 0.85);
  max-width: 52ch;
  margin: 0;
}

.closing-cta .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.closing-cta .btn--dark {
  background: var(--ink-000);
  color: #ffffff;
  border-color: var(--ink-000);
}

.closing-cta .btn--dark:hover {
  background: #18181c;
  color: var(--lime);
}

/* ---------- 25. CORPORATE FOOTER CHUẨN DOANH NGHIỆP ---------- */
.site-footer,
.corporate-footer {
  background: var(--bg-alt);
  padding-block: var(--space-8) var(--space-6);
  border-top: 1px solid var(--rule);
  position: relative;
}

.footer-top,
.footer-main-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid var(--rule);
}

.footer-top h4,
.footer-main-grid h4,
.footer-col-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: var(--space-4);
  font-weight: 700;
}

.footer-top ul,
.footer-main-grid ul,
.footer-links,
.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-top ul a,
.footer-main-grid ul a,
.footer-links a {
  color: var(--fg-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.footer-top ul a:hover,
.footer-main-grid ul a:hover,
.footer-links a:hover {
  color: var(--lime);
}

.footer-brand,
.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-company-title {
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.5;
  color: var(--fg);
}

.footer-slogan {
  color: var(--lime);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.footer-desc {
  color: var(--fg-soft);
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* Kênh liên lạc */
.footer-contact-list li {
  font-size: var(--text-sm);
  line-height: 1.5;
  display: flex;
  gap: var(--space-2);
}

.footer-contact-list .f-label {
  color: var(--fg-mute);
  min-width: 85px;
}

.footer-contact-list .f-val {
  color: var(--fg-soft);
}

.footer-contact-list .f-val.text-gold {
  color: var(--lime);
  font-weight: 600;
}

/* Thanh chân trang (Bản quyền & Liên kết phụ) */
.footer-bottom,
.footer-bottom-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-5);
}

.copyright-text {
  font-size: var(--text-xs);
  color: var(--fg-mute);
  letter-spacing: 0.03em;
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.copyright-text strong.text-gold {
  color: var(--lime);
  font-weight: 600;
}

.sub-copyright {
  display: inline-block;
  padding-left: var(--space-2);
  border-left: 1px solid var(--rule);
  color: var(--fg-mute);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-bottom-links,
.footer-meta-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-bottom-links a,
.footer-meta-links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease-out);
}

.footer-bottom-links a:hover,
.footer-meta-links a:hover {
  color: var(--lime);
  text-shadow: 0 0 8px rgba(227, 160, 55, 0.35);
}

.dot-sep {
  color: var(--fg-mute);
  font-size: 10px;
  opacity: 0.6;
}

/* ---------- RESPONSIVE FOOTER, FORM & BENTO ---------- */
@media (max-width: 992px) {
  .tier-grid,
  .channel-grid,
  .journal-grid,
  .footer-top,
  .footer-main-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .awards-strip,
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .press-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .tier-grid,
  .channel-grid,
  .journal-grid,
  .faq-grid,
  .awards-strip,
  .team-grid,
  .footer-top,
  .footer-main-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom,
  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  .sub-copyright {
    display: block;
    padding-left: 0;
    border-left: none;
  }
}

/* ==========================================================================
   DIGITECH - MODULES BỔ SUNG (QUY TRÌNH, TECH GRID, PARTNERS, CONTACT & PROJECTS)
   ========================================================================== */

/* 1. Quy trình 5 bước */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.step-card {
  background: var(--bg-card, #0a0a0c);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 1.5rem 1.25rem;
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: var(--lime);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px var(--lime-glow);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--lime);
  display: block;
  margin-bottom: 0.75rem;
}

.step-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.step-card p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

/* 2. Layout 2 cột Quy trình & Thiết bị */
.split-tech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.tech-box {
  background: var(--bg-card, #0a0a0c);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  transition: border-color 0.3s ease;
}

.tech-box:hover {
  border-color: rgba(227, 160, 55, 0.4);
}

.split-fact-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.split-fact-list li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  padding-bottom: 0.65rem;
}

.split-fact-list li b {
  font-family: var(--font-mono);
  color: var(--lime, #e3a037);
  font-size: 0.85rem;
  min-width: 55px;
  letter-spacing: 0.05em;
}

/* 3. Lưới Đối tác */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.partner-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.25rem 1rem;
  border-radius: 8px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.75);
  transition: all 0.3s ease;
}

.partner-item:hover {
  background: rgba(227, 160, 55, 0.05);
  border-color: var(--lime, #e3a037);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px var(--lime-glow);
}

/* 4. Khung Liên hệ */
.contact-box {
  background: linear-gradient(135deg, rgba(227, 160, 55, 0.08) 0%, rgba(10, 10, 12, 0.95) 100%);
  border: 1px solid rgba(227, 160, 55, 0.3);
  border-radius: 14px;
  padding: 3rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.contact-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  font-weight: 800;
  margin-top: 0.5rem;
  color: #fff;
}

.contact-text p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-top: 0.5rem;
  max-width: 550px;
}

.contact-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* 5. Dự án 3D Tilt & Viền Glowing xoay 360 độ */
.projects-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  perspective: 1200px;
}

.project-card {
  position: relative;
  border-radius: 22px;
  padding: 2px;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

.project-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    transparent,
    rgba(227, 160, 55, 0.1) 20%,
    rgba(227, 160, 55, 0.8) 40%,
    #ffd580 50%,
    transparent 70%
  );
  animation: cyberSpinGlow 5s linear infinite;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

@keyframes cyberSpinGlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.project-card:hover::before {
  opacity: 1;
}

.project-card:hover {
  box-shadow: 
    0 25px 50px -10px rgba(0, 0, 0, 0.9),
    0 0 35px rgba(227, 160, 55, 0.35);
}

.project-card-inner {
  position: relative;
  z-index: 1;
  background: #0d0e14;
  border-radius: 20px;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-thumb {
  position: relative;
  width: 100%;
  height: 220px;
  background: #14161f;
  overflow: hidden;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-thumb img {
  transform: scale(1.08);
}

.proj-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(10, 11, 16, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(227, 160, 55, 0.4);
  color: var(--lime, #e3a037);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  letter-spacing: 0.05em;
}

.proj-action-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(10, 11, 16, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: all 0.3s ease;
}

.project-card:hover .proj-action-btn {
  background: var(--lime, #e3a037);
  color: #000000;
  transform: rotate(45deg) scale(1.1);
  border-color: var(--lime, #e3a037);
  box-shadow: 0 0 15px rgba(227, 160, 55, 0.6);
}

.project-info-simple {
  padding: 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.proj-name {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.45;
  margin: 0 0 0.6rem 0;
  transition: color 0.3s ease;
}

.project-card:hover .proj-name {
  color: #ffd580;
}

.proj-sub-field {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
  line-height: 1.5;
}

/* 6. Responsive bổ sung */
@media (max-width: 992px) {
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .split-tech-grid { grid-template-columns: 1fr; }
  .projects-grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .process-steps { grid-template-columns: 1fr; }
  .contact-box { flex-direction: column; align-items: flex-start; }
}
/* ==========================================================================
   DIGITECH - CYBER GLASS MODAL POPUP V2 (AUTO-FIT NO SCROLLBAR)
   ========================================================================== */

/* 1. LỚP PHỦ MÀN HÌNH (BACKDROP) */
.project-modal-backdrop {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 5, 8, 0.88);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;

  /* Mặc định ẩn hoàn toàn & tắt hiệu ứng làm mờ để chống lỗi mờ trang */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: opacity 0.3s var(--ease-out, ease-out), visibility 0.3s var(--ease-out, ease-out);
}

/* KHI ĐƯỢC KÍCH HOẠT MỚI BẬT HIỆU ỨNG KÍNH MỜ */
.project-modal-backdrop.active,
.project-modal-backdrop.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* 2. KHUNG CHÍNH POPUP (GLASS BUBBLE) - TỰ CO GIÃN THEO NỘI DUNG */
.project-modal-bubble {
  background: #0b0c12;
  border: 1px solid rgba(227, 160, 55, 0.5);
  box-shadow: 
    0 25px 70px rgba(0, 0, 0, 0.95),
    0 0 35px var(--lime-glow, rgba(227, 160, 55, 0.3));
  border-radius: var(--radius-xl, 24px);
  max-width: 980px;
  width: 100%;
  height: auto !important; /* Tự động co giãn theo nội dung, không khóa cứng làm tràn */
  position: relative;
  overflow: hidden !important; /* Triệt tiêu thanh cuộn */
  transform: scale(0.94) translateY(18px);
  transition: transform 0.35s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
}

.project-modal-backdrop.active .project-modal-bubble,
.project-modal-backdrop.is-active .project-modal-bubble {
  transform: scale(1) translateY(0);
}

/* NÚT ĐÓNG GÓC TRÊN */
.modal-bubble-close {
  position: absolute;
  top: 16px;
  right: 18px;
  z-index: 20;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast, 0.25s) var(--ease-out, ease-out);
}

.modal-bubble-close:hover {
  background: var(--lime, #e3a037);
  color: var(--ink-000, #07090c);
  border-color: var(--lime, #e3a037);
  transform: rotate(90deg);
}

/* 3. BỐ CỤC 2 CỘT CYBER */
.modal-cyber-layout {
  display: grid;
  grid-template-columns: 420px 1fr;
  width: 100%;
  height: 100%;
  align-items: stretch;
}

/* CỘT TRÁI: HÌNH ẢNH & TAG TRỰC DIỆN */
.modal-media-col {
  background: #08090d;
  border-right: 1px solid var(--rule, rgba(255, 255, 255, 0.08));
  display: flex;
  flex-direction: column;
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.modal-img-frame {
  position: relative;
  width: 100%;
  flex: 1;
  min-height: 380px;
  overflow: hidden;
  background: #000000;
}

/* ÉP ẢNH LUÔN PHỦ KÍN VÀ TỰ ĐỘNG CĂN GIỮA */
.modal-img-frame img,
#mImg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  object-position: center !important;
  display: block;
  transition: opacity 0.4s ease-in-out;
}

#mImg.fade-out {
  opacity: 0.15;
}

.modal-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 12, 18, 0.2) 0%, rgba(11, 12, 18, 0.85) 100%);
  pointer-events: none;
  z-index: 2;
}

.modal-chip {
  position: absolute;
  top: 18px;
  left: 18px;
  font-family: var(--font-mono, monospace);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--ink-000, #07090c);
  background: var(--lime, #e3a037);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full, 99px);
  letter-spacing: 0.06em;
  box-shadow: 0 4px 15px var(--lime-glow, rgba(227, 160, 55, 0.4));
  z-index: 5;
}

/* CHẤM CHỈ SỐ LƯỢNG ẢNH TRONG MODAL */
.modal-slider-dots {
  position: absolute;
  bottom: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 10;
  background: rgba(0, 0, 0, 0.55);
  padding: 4px 8px;
  border-radius: 99px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
}

.modal-dot.active {
  width: 16px;
  border-radius: 99px;
  background: var(--lime, #e3a037);
  box-shadow: 0 0 10px rgba(227, 160, 55, 0.8);
}

.modal-live-tag {
  padding: 0.85rem 1.2rem;
  background: rgba(14, 16, 23, 0.95);
  font-family: var(--font-mono, monospace);
  font-size: 0.65rem;
  color: var(--fg-mute, rgba(255, 255, 255, 0.6));
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-top: 1px solid var(--ink-line-soft, rgba(255, 255, 255, 0.08));
  z-index: 5;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

/* CỘT PHẢI: CHI TIẾT DỰ ÁN & THÔNG SỐ (VỪA VẶN, KHÔNG THANH CUỘN) */
.modal-content-col {
  padding: 2.2rem 2.2rem 1.8rem 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  height: auto;
  box-sizing: border-box;
  overflow: visible !important; /* Tắt triệt để thanh cuộn */
}

.modal-title {
  font-family: var(--font-display, sans-serif);
  font-size: 1.22rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1.35;
  margin: 0;
  padding-right: 2.5rem;
}

.modal-desc-box {
  margin: 0;
}

.modal-label-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.dot-amber {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime, #e3a037);
}

.desc-heading {
  font-family: var(--font-mono, monospace);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--lime, #e3a037);
  letter-spacing: 0.08em;
}

.modal-desc-text {
  font-family: var(--font-body, sans-serif);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--fg-soft, rgba(255, 255, 255, 0.75));
  margin: 0;
}

/* KHUNG THÔNG SỐ SPECS NỔI */
.modal-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin: 0;
}

.spec-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--rule, rgba(255, 255, 255, 0.08));
  border-radius: var(--radius, 10px);
  padding: 0.7rem 0.95rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.spec-card--full {
  grid-column: 1 / -1;
  background: rgba(227, 160, 55, 0.04);
  border-color: rgba(227, 160, 55, 0.25);
}

.spec-label {
  display: block;
  font-family: var(--font-mono, monospace);
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--paper-deep, #e3a037);
  letter-spacing: 0.06em;
  margin-bottom: 0.2rem;
}

.spec-val {
  display: block;
  font-family: var(--font-display, sans-serif);
  font-size: 0.86rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
}

.text-lime {
  color: var(--lime-soft, #ffd580) !important;
}

/* NÚT ĐÓNG DƯỚI CÙNG */
.modal-footer-action {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.2rem;
}

.btn-modal-close {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--rule-strong, rgba(255, 255, 255, 0.15));
  color: var(--fg-soft, #ffffff);
  padding: 0.5rem 1.4rem;
  border-radius: var(--radius-full, 99px);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--dur-fast, 0.25s) var(--ease-out, ease-out);
}

.btn-modal-close:hover {
  background: var(--lime, #e3a037);
  color: var(--ink-000, #07090c);
  border-color: var(--lime, #e3a037);
  box-shadow: 0 4px 15px var(--lime-glow, rgba(227, 160, 55, 0.4));
}

/* KHỬ TRIỆT ĐỂ THANH CUỘN TRÌNH DUYỆT */
.modal-content-col::-webkit-scrollbar,
.project-modal-bubble::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

/* RESPONSIVE CHO MODAL TRÊN THIẾT BỊ DI ĐỘNG */
@media (max-width: 860px) {
  .project-modal-bubble {
    height: auto;
    max-height: 90vh;
    overflow-y: auto !important;
  }
  .modal-cyber-layout {
    grid-template-columns: 1fr;
  }
  .modal-media-col {
    height: 250px;
  }
  .modal-content-col {
    padding: 1.5rem;
  }
  .modal-specs-grid {
    grid-template-columns: 1fr;
  }
}
/* ==========================================================================
   DIGITECH - CYBER GLOW PROJECT MODAL (CLEANED & FIXED)
   ========================================================================== */

.p-card {
  cursor: pointer;
  user-select: none;
}

/* 1. LỚP PHỦ MÀN HÌNH (OVERLAY BACKDROP) */
.project-modal-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 5, 8, 0.88);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  box-sizing: border-box;

  /* Mặc định ẩn tuyệt đối & tắt làm mờ để tránh lỗi mờ trang */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: opacity 0.35s var(--ease-out), visibility 0.35s;
}

/* KHI ĐƯỢC MỞ THÌ BẬT HIỆU ỨNG KÍNH MỜ */
.project-modal-overlay.is-active,
.project-modal-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* 2. KHUNG DIALOG BONG BÓNG */
.project-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 820px;
  box-sizing: border-box;
  overflow: hidden !important;
  background: #0b0c10;
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  box-shadow: 
    0 25px 60px rgba(0, 0, 0, 0.95), 
    0 0 40px var(--lime-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: scale(0.85) translateY(30px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  isolation: isolate;
}

.project-modal-dialog::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

/* Viền phát sáng vàng Neon đa tầng */
.project-modal-dialog::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius-lg) + 1px);
  padding: 1.5px;
  background: linear-gradient(135deg, rgba(227, 160, 55, 0.8), transparent 40%, rgba(227, 160, 55, 0.4));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: -1;
}

.project-modal-overlay.is-active .project-modal-dialog,
.project-modal-overlay.active .project-modal-dialog {
  transform: scale(1) translateY(0);
}

/* NÚT ĐÓNG XOAY 90 ĐỘ */
.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  z-index: 10;
}

.modal-close-btn:hover {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-000);
  transform: rotate(90deg) scale(1.08);
  box-shadow: 0 0 15px var(--lime-glow);
}

/* 3. NỘI DUNG & TYPOGRAPHY */
.modal-header-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--lime);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px var(--lime-glow);
}

.modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 1.4rem;
  letter-spacing: -0.01em;
}

/* KHUNG ẢNH CÓ SHIMMER SWIPE EFFECT */
.modal-img-wrap {
  position: relative;
  width: 100%;
  height: 280px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.6rem;
  background: #14151b;
  border: 1px solid var(--rule);
  box-sizing: border-box;
}

.modal-img-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transform: skewX(-25deg);
  pointer-events: none;
}

.project-modal-overlay.is-active .modal-img-wrap::after,
.project-modal-overlay.active .modal-img-wrap::after {
  animation: shineSwipe 1s 0.2s ease forwards;
}

@keyframes shineSwipe {
  100% { left: 200%; }
}

.modal-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* LƯỚI THÔNG TIN CHI TIẾT */
.modal-grid-details {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.8rem;
  box-sizing: border-box;
}

.modal-section-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--lime);
  margin-bottom: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.modal-text {
  color: var(--fg-soft);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}

.modal-specs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.modal-specs-list li {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.88);
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
}

.modal-specs-list li::before {
  content: '▸';
  color: var(--lime);
  font-weight: bold;
}

/* ANIMATION XUẤT HIỆN TRỒI LÊN */
.project-modal-overlay.is-active .modal-dialog-body > *,
.project-modal-overlay.active .modal-dialog-body > * {
  animation: modalFadeInUp 0.4s ease backwards;
}

.project-modal-overlay.is-active .modal-title,
.project-modal-overlay.active .modal-title { animation-delay: 0.08s; }

.project-modal-overlay.is-active .modal-img-wrap,
.project-modal-overlay.active .modal-img-wrap { animation-delay: 0.15s; }

.project-modal-overlay.is-active .modal-grid-details,
.project-modal-overlay.active .modal-grid-details { animation-delay: 0.22s; }

@keyframes modalFadeInUp {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .modal-grid-details {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }
  .modal-img-wrap {
    height: 190px;
  }
  .project-modal-dialog {
    padding: 1.6rem;
  }
}
/* ==========================================================================
   DIGITECH - HEADER DYNAMIC ISLAND, SCROLL REVEAL & ABOUT SECTION
   ========================================================================== */

/* ---------- 1. HEADER DYNAMIC ISLAND (APPLE PILL EFFECT) ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99999;
  padding: 1.2rem 0;
  pointer-events: none;
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
  border: none !important;
  transition: padding 0.4s var(--ease-out), top 0.4s var(--ease-out);
}

.site-header .container,
.site-header .container--wide {
  background: transparent !important;
  box-shadow: none !important;
  border: none !important;
  padding: 0 1.5rem;
}

/* Khung Menu chính */
.site-header .nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 1px solid transparent;
  transition: 
    max-width 0.5s cubic-bezier(0.34, 1.2, 0.64, 1),
    padding 0.4s ease,
    background-color 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease,
    border-radius 0.5s cubic-bezier(0.34, 1.2, 0.64, 1);
}

/* Danh sách link menu cố định 1 hàng ngang */
.site-header .nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  white-space: nowrap !important;
}

.site-header .nav-links a {
  white-space: nowrap !important;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  padding: 0.4rem 0.6rem;
  transition: all var(--dur-fast) ease;
}

/* Khi cuộn: Thu nhỏ thành dạng viên thuốc Dynamic Island */
.site-header.is-scrolled {
  top: 0.85rem;
  padding: 0;
}

.site-header.is-scrolled .nav {
  max-width: 1040px;
  padding: 0.4rem 1.25rem;
  border-radius: var(--radius-full);
  background: rgba(13, 14, 18, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(227, 160, 55, 0.35);
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.7),
    0 0 20px var(--lime-glow);
}

.site-header .brand img {
  transition: height 0.4s ease;
}

.site-header.is-scrolled .brand img {
  height: 28px !important;
}

.site-header.is-scrolled .nav-links {
  gap: 0.85rem;
}

.site-header.is-scrolled .nav-links a {
  font-size: 0.82rem;
  padding: 0.3rem 0.5rem;
}

.site-header.is-scrolled .btn--sm {
  padding: 0.38rem 0.9rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

/* ---------- ĐẨY HERO BANNER TRÁNH BỊ HEADER CHE ---------- */
.hero {
  position: relative;
  padding-top: clamp(8rem, 12vw, 10.5rem) !important;
  padding-bottom: 4.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
}

.hero-grid {
  align-items: center;
  margin-bottom: 2.5rem;
}

/* ---------- 2. SCROLL REVEAL (HIỆU ỨNG TRỒI NỘI DUNG) ---------- */
.reveal-section {
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  filter: blur(6px);
  transition: 
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out),
    filter 0.8s var(--ease-out);
  will-change: opacity, transform, filter;
}

.reveal-section.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* ---------- 3. SECTION GIỚI THIỆU (ABOUT SECTION) ---------- */
.about-section {
  position: relative;
  padding: 6.5rem 0;
  background: var(--ink-deep);
  overflow: hidden;
}

.about-header {
  margin-bottom: 3.5rem;
}

.about-header .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  font-weight: 800;
  text-transform: uppercase;
  color: #ffffff;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-top: 0.6rem;
}

/* Lưới 2 cột căn chỉnh chiều cao đều nhau */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 3.5rem;
  align-items: stretch;
}

/* CỘT TRÁI: 3D HOLOGRAM BUILDING CARD */
.about-media-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  perspective: 1200px;
}

.about-3d-card {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 540px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--ink);
  border: 1px solid rgba(227, 160, 55, 0.4);
  box-shadow: 
    0 25px 60px rgba(0, 0, 0, 0.95), 
    0 0 35px var(--lime-glow);
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out, box-shadow 0.4s ease, border-color 0.4s ease;
  cursor: pointer;
}

.about-3d-card:hover {
  border-color: rgba(227, 160, 55, 0.85);
  box-shadow: 
    0 35px 70px rgba(0, 0, 0, 0.98), 
    0 0 45px rgba(227, 160, 55, 0.3);
}

.about-building-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: translateZ(0) scale(1.02);
  transition: transform 0.6s var(--ease-out), filter 0.4s ease;
}

.about-3d-card:hover .about-building-img {
  transform: translateZ(10px) scale(1.08);
}

.about-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg, 
    rgba(7, 8, 11, 0.2) 0%, 
    transparent 40%, 
    rgba(4, 5, 8, 0.88) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* Lưới HUD & Laser Scanner */
.hud-scanner-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(227, 160, 55, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(227, 160, 55, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
  z-index: 2;
  opacity: 0.7;
}

.scan-laser-line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #e3a037, #ffffff, #e3a037, transparent);
  box-shadow: 0 0 15px #e3a037, 0 0 30px #e3a037;
  animation: laserScanDown 4s linear infinite;
}

@keyframes laserScanDown {
  0%   { top: -5%; opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { top: 105%; opacity: 0; }
}

/* Badges nổi 3D */
.floating-tech-badge {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius);
  background: rgba(13, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(227, 160, 55, 0.4);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.7);
  transform: translateZ(40px);
  transition: transform 0.3s ease;
}

.badge-top-right   { top: 1.4rem; right: 1.4rem; }
.badge-middle-left { top: 48%; left: 1.2rem; }

.badge-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--lime);
  letter-spacing: 0.08em;
  font-weight: 700;
}

.badge-main {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: #ffffff;
}

.tech-icon-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--lime);
  box-shadow: 0 0 8px var(--lime);
}

.status-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00ff88;
  box-shadow: 0 0 10px #00ff88;
  animation: livePulse 1.6s infinite;
}

.about-media-badge {
  position: absolute;
  bottom: 1.4rem;
  left: 1.4rem;
  background: rgba(11, 12, 16, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(227, 160, 55, 0.5);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  z-index: 3;
  transform: translateZ(30px);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
  animation: livePulse 1.8s infinite;
}

@keyframes livePulse {
  0%   { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(227, 160, 55, 0.7); }
  70%  { transform: scale(1.1);  box-shadow: 0 0 0 6px rgba(227, 160, 55, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(227, 160, 55, 0); }
}

/* CỘT PHẢI: NỘI DUNG */
.about-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.4rem;
}

.about-lead {
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.about-lead strong {
  color: var(--lime);
  font-weight: 700;
}

/* KHỐI PHƯƠNG CHÂM (MOTTO BOX) */
.motto-box-luxury {
  position: relative;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(227, 160, 55, 0.08) 0%, #0d0e14 100%);
  border: 1px solid rgba(227, 160, 55, 0.45);
  padding: 1.6rem 2rem;
  overflow: hidden;
  transform-style: preserve-3d;
  perspective: 1000px;
  cursor: pointer;
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.6),
    0 0 25px var(--lime-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: 
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s ease,
    border-color 0.4s ease;
}

.motto-box-luxury:hover {
  transform: perspective(1000px) rotateX(4deg) rotateY(-4deg) translateY(-5px) scale(1.015);
  border-color: rgba(227, 160, 55, 0.85);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.8),
    0 0 40px rgba(227, 160, 55, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.motto-box-luxury::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--lime), #ff9400);
  box-shadow: 0 0 15px var(--lime);
  transition: width 0.3s ease;
}

.motto-box-luxury:hover::before {
  width: 6px;
}

.motto-glow-bg {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(227, 160, 55, 0.22), transparent 70%);
  pointer-events: none;
}

.motto-inner {
  position: relative;
  z-index: 1;
}

.motto-tag {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-shadow: 0 0 10px var(--lime-glow);
}

.motto-headline {
  position: relative;
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  font-weight: 900;
  line-height: 1.35;
  margin: 0 0 0.6rem 0;
  letter-spacing: 0.01em;
  background: linear-gradient(
    90deg,
    #e3a037 0%,
    #ffd580 25%,
    #ffffff 50%,
    #ffd580 75%,
    #e3a037 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: goldSeamlessScroll 2.5s linear infinite;
  text-shadow: 0 0 20px var(--lime-glow);
}

@keyframes goldSeamlessScroll {
  0%   { background-position: 0% center; }
  100% { background-position: -200% center; }
}

.motto-sub {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  margin: 0;
}

.motto-box-luxury::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(227, 160, 55, 0.1),
    transparent
  );
  transform: skewX(-20deg);
  pointer-events: none;
  animation: boxSeamlessSweep 4s linear infinite;
}

@keyframes boxSeamlessSweep {
  0%   { left: -100%; }
  100% { left: 200%; }
}

/* DANH SÁCH 3 CARD NĂNG LỰC */
.about-features-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feature-card {
  display: flex;
  align-items: flex-start;
  gap: 1.3rem;
  padding: 1.15rem 1.35rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  transition: all 0.35s var(--ease-out);
}

.feature-card:hover {
  background: rgba(227, 160, 55, 0.05);
  border-color: rgba(227, 160, 55, 0.45);
  transform: translateX(8px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.feature-icon-box {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(227, 160, 55, 0.08);
  border: 1px solid rgba(227, 160, 55, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
  transition: all 0.35s ease;
  margin-top: 2px;
}

.feature-card:hover .feature-icon-box {
  background: var(--lime);
  color: var(--ink-000);
  box-shadow: 0 0 15px rgba(227, 160, 55, 0.6);
  transform: scale(1.05);
}

.feature-text-group {
  flex: 1;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 0.35rem 0;
  line-height: 1.35;
}

.feature-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

/* KHUNG ĐỐI TÁC TIN CẬY Ở CHÂN MỤC */
.about-trust-banner {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  background: rgba(13, 14, 20, 0.95);
  border: 1px solid rgba(227, 160, 55, 0.35);
  border-radius: var(--radius);
  padding: 1.25rem 1.6rem;
  box-shadow: 
    0 15px 30px rgba(0, 0, 0, 0.6),
    0 0 25px var(--lime-glow);
  margin-top: auto;
}

.trust-badge-symbol {
  flex-shrink: 0;
  color: var(--lime);
  margin-top: 3px;
}

.trust-text {
  font-family: var(--font-body);
  font-size: 0.93rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.highlight-client {
  color: var(--lime);
  font-weight: 700;
  text-shadow: 0 0 10px var(--lime-glow);
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-3d-card {
    height: 460px;
    min-height: auto;
    max-width: 500px;
    margin: 0 auto;
  }
}

/* ==========================================================================
   DIGITECH - GIẢI PHÁP & DỊCH VỤ (INTERACTIVE CYBER MATRIX CARDS)
   ========================================================================== */

/* ---------- 1. KHUNG SECTION CHÍNH ---------- */
.solutions-matrix-section {
  position: relative;
  padding: 6.5rem 0;
  background: var(--ink-000);
  overflow: hidden;
}

/* HEADER GIẢI PHÁP: CĂN THẲNG ĐÁY CHÂN CHỮ VÀ KHUNG HIGHLIGHT */
.solutions-header-locked {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 2.2rem;
  margin-bottom: 3.5rem;
}

.solutions-title-col {
  flex-shrink: 0;
}

.solutions-title-col .eyebrow {
  margin-bottom: 0.5rem;
  display: inline-flex;
}

.solutions-title-col .solutions-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 900;
  text-transform: uppercase;
  color: #ffffff;
  margin: 0;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

/* HIỆU ỨNG CHỮ LƯỚT SÁNG VÀNG ÁNH KIM */
.solutions-title-col .solutions-title .text-shimmer {
  display: inline-block;
  background: linear-gradient(
    90deg,
    #e3a037 0%,
    #ffd580 30%,
    #ffffff 50%,
    #ffd580 70%,
    #e3a037 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShine 3s linear infinite;
}

@keyframes textShine {
  0%   { background-position: 0% center; }
  100% { background-position: -200% center; }
}

/* Ô HIGHLIGHT VIỀN CAM NỐI TIẾP TIÊU ĐỀ */
.solutions-highlight-box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.15rem 1.6rem;
  background: rgba(13, 14, 20, 0.92);
  border: 1px solid rgba(227, 160, 55, 0.45);
  border-radius: var(--radius);
  box-shadow: 
    0 12px 30px rgba(0, 0, 0, 0.6),
    0 0 20px var(--lime-glow);
  transition: all var(--dur-base) var(--ease-out);
  margin-bottom: 3px;
}

.solutions-highlight-box:hover {
  border-color: rgba(227, 160, 55, 0.85);
  box-shadow: 
    0 18px 40px rgba(0, 0, 0, 0.8),
    0 0 30px rgba(227, 160, 55, 0.2);
  transform: translateY(-2px);
}

.highlight-box-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(227, 160, 55, 0.1);
  border: 1px solid rgba(227, 160, 55, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
}

.highlight-box-text {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.highlight-box-text .text-gold {
  color: var(--lime);
  font-weight: 700;
  text-shadow: 0 0 10px var(--lime-glow);
}

/* ---------- 2. LƯỚI CARD GIẢI PHÁP 2x2 ---------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  perspective: 1200px;
}

/* THẺ CARD GIẢI PHÁP NEON SPOTLIGHT */
.sol-card {
  position: relative;
  background: #0b0c10;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.2s var(--ease-out), box-shadow 0.4s ease;
  border: 1px solid rgba(227, 160, 55, 0.45);
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.8),
    0 0 15px var(--lime-glow),
    inset 0 0 15px rgba(227, 160, 55, 0.05);

  --mouse-x: 50%;
  --mouse-y: 50%;
  --glow-opacity: 0;
}

.sol-card:hover {
  border-color: rgba(255, 184, 77, 0.95);
  box-shadow: 
    0 20px 50px rgba(0, 0, 0, 0.95),
    0 0 25px rgba(227, 160, 55, 0.5),
    0 0 50px rgba(227, 160, 55, 0.25),
    inset 0 0 25px rgba(227, 160, 55, 0.12);
}

/* TIA SPOTLIGHT THEO CON TRỎ CHUỘT */
.sol-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-xl);
  background: radial-gradient(
    400px circle at var(--mouse-x) var(--mouse-y),
    rgba(255, 200, 100, 0.22) 0%,
    rgba(227, 160, 55, 0.08) 40%,
    transparent 70%
  );
  opacity: var(--glow-opacity);
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 5;
}

/* VIỀN QUÉT SÁNG DỌC THEO TÂM CHUỘT */
.sol-card-border-glow {
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: radial-gradient(
    300px circle at var(--mouse-x) var(--mouse-y),
    #ffe29a 0%,
    var(--lime) 40%,
    transparent 75%
  );
  opacity: var(--glow-opacity);
  transition: opacity 0.25s ease;
  pointer-events: none;
  z-index: 1;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 2px;
}

/* KHUNG ẢNH ĐỈNH CARD */
.sol-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-top-left-radius: calc(var(--radius-xl) - 1px);
  border-top-right-radius: calc(var(--radius-xl) - 1px);
  background: #000000;
  z-index: 2;
}

.sol-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out), filter 0.4s ease;
}

.sol-card:hover .sol-card-media img {
  transform: scale(1.06);
  filter: brightness(1.08) contrast(1.05);
}

.sol-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(11, 12, 16, 0.95) 100%);
  pointer-events: none;
}

.sol-card-badge {
  position: absolute;
  top: 1.1rem;
  left: 1.1rem;
  background: rgba(13, 14, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(227, 160, 55, 0.6);
  box-shadow: 0 0 12px rgba(227, 160, 55, 0.35);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  z-index: 3;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffd580;
  box-shadow: 0 0 10px var(--lime);
  animation: livePulse 1.8s infinite;
}

/* THÂN NỘI DUNG */
.sol-card-body {
  position: relative;
  z-index: 3;
  padding: 2rem 2.2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.sol-card-title {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 0.8rem 0;
  line-height: 1.35;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.sol-card:hover .sol-card-title {
  color: #ffd580;
  text-shadow: 0 0 16px rgba(227, 160, 55, 0.5);
}

.sol-card-lead {
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 1.6rem 0;
}

/* LƯỚI TAG TÍNH NĂNG CON (PILLS) */
.sol-tags-grid {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
}

.sol-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 0.6rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--dur-fast) ease;
}

.tag-icon {
  color: var(--lime);
  font-style: normal;
  font-size: 0.75rem;
  transition: transform var(--dur-fast) ease;
}

.sol-card:hover .sol-tag {
  border-color: rgba(227, 160, 55, 0.4);
  background: rgba(227, 160, 55, 0.06);
  color: #ffffff;
}

.sol-tag:hover {
  background: rgba(227, 160, 55, 0.25) !important;
  border-color: rgba(255, 200, 100, 0.9) !important;
  box-shadow: 0 0 15px rgba(227, 160, 55, 0.6) !important;
  transform: translateY(-2px);
}

.sol-tag:hover .tag-icon {
  transform: rotate(90deg) scale(1.3);
}

/* RESPONSIVE CHO GIẢI PHÁP */
@media (max-width: 992px) {
  .solutions-header-locked {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .solutions-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .sol-tags-grid {
    grid-template-columns: 1fr;
  }
  .sol-card-body {
    padding: 1.5rem;
  }
}
/* ==========================================================================
   DIGITECH - QUY TRÌNH TRIỂN KHAI 5 BƯỚC (CYBER PIPELINE PRO)
   ========================================================================== */

/* ---------- 1. KHUNG SECTION CHÍNH ---------- */
.process-matrix-section {
  position: relative;
  padding: 6.5rem 0;
  background: var(--ink-000);
  overflow: hidden;
}

/* HEADER KHÓA KHUÔN ĐỐI XỨNG CÂN ĐÁY VỚI TIÊU ĐỀ */
.process-header-locked {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 2.2rem;
  margin-bottom: 3.5rem;
}

.process-title-col {
  flex-shrink: 0;
}

.process-title-col .eyebrow {
  margin-bottom: 0.5rem;
  display: inline-flex;
}

.process-title-col .process-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 900;
  text-transform: uppercase;
  color: #ffffff;
  margin: 0;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

/* THẺ BOX VIỀN CAM NỐI TIẾP TIÊU ĐỀ */
.process-highlight-box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.15rem 1.6rem;
  background: rgba(13, 14, 20, 0.92);
  border: 1px solid rgba(227, 160, 55, 0.45);
  border-radius: var(--radius);
  box-shadow: 
    0 12px 30px rgba(0, 0, 0, 0.6),
    0 0 20px var(--lime-glow);
  transition: all var(--dur-base) var(--ease-out);
  margin-bottom: 3px;
}

.process-highlight-box:hover {
  border-color: rgba(227, 160, 55, 0.85);
  box-shadow: 
    0 18px 40px rgba(0, 0, 0, 0.8),
    0 0 30px rgba(227, 160, 55, 0.2);
  transform: translateY(-2px);
}

.process-box-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(227, 160, 55, 0.1);
  border: 1px solid rgba(227, 160, 55, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
  animation: radarSpin 10s linear infinite;
}

@keyframes radarSpin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.process-box-text {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.process-box-text .text-gold {
  color: var(--lime);
  font-weight: 700;
  text-shadow: 0 0 10px var(--lime-glow);
}

/* LAYOUT 2 CỘT QUY TRÌNH */
.process-control-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 2.2rem;
  align-items: stretch;
}

/* ---------- 2. CỘT 1: STEPPER NAVIGATION ---------- */
.process-stepper-nav {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  height: 100%;
}

.step-nav-btn {
  position: relative;
  flex: 1;
  width: 100%;
  padding: 0.95rem 1.4rem;
  background: rgba(13, 14, 20, 0.85);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 1.2rem;
  cursor: pointer;
  text-align: left;
  transition: all var(--dur-fast) var(--ease-out);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  outline: none;
  overflow: hidden;
}

/* Vệt sáng quét ngang khi hover */
.step-nav-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(227, 160, 55, 0.12), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
}

.step-nav-btn:hover::before {
  left: 100%;
}

.step-nav-btn:hover {
  background: rgba(20, 22, 30, 0.95);
  border-color: rgba(227, 160, 55, 0.45);
  transform: translateX(4px);
}

/* Trạng thái Active */
.step-nav-btn.active {
  background: linear-gradient(135deg, rgba(227, 160, 55, 0.16) 0%, rgba(13, 14, 20, 0.98) 100%);
  border-color: rgba(227, 160, 55, 0.9);
  box-shadow: 
    0 12px 35px rgba(0, 0, 0, 0.85),
    0 0 25px rgba(227, 160, 55, 0.35);
  transform: translateX(8px);
}

/* Mũi tên nhảy dòng chảy giữa các bước */
.step-nav-btn:not(:last-child)::after {
  content: '↓';
  position: absolute;
  bottom: -15px;
  left: calc(1.4rem + 22px);
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #090a0d;
  border: 1.5px solid rgba(227, 160, 55, 0.4);
  color: var(--lime);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  z-index: 10;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
  transition: all 0.3s ease;
}

.step-nav-btn.active:not(:last-child)::after {
  background: var(--lime);
  color: var(--ink-000);
  border-color: #ffd580;
  box-shadow: 0 0 16px rgba(227, 160, 55, 0.9);
  animation: flowBounce 1.4s infinite ease-in-out;
}

@keyframes flowBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(3px); }
}

/* Số thứ tự căn tâm */
.step-num-box {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: #090a0d;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(1px);
}

.step-nav-btn.active .step-num-box {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 18px rgba(227, 160, 55, 0.7);
}

.step-nav-btn.active .step-num {
  color: var(--ink-000);
  font-weight: 900;
}

.step-btn-text {
  flex: 1;
}

.step-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
}

.step-label {
  font-family: var(--font-display);
  font-size: 0.96rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  line-height: 1.35;
}

.step-arrow {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.step-nav-btn.active .step-arrow {
  color: var(--lime);
  transform: translateX(4px);
}

/* ---------- 3. CỘT 2: DISPLAY PANEL CÓ LASER XOAY QUANH ---------- */
.process-display-panel {
  position: relative;
  background: #0b0c10;
  border-radius: var(--radius-xl);
  padding: 2.6rem 2.5rem;
  box-shadow: 
    0 25px 60px rgba(0, 0, 0, 0.95),
    0 0 35px var(--lime-glow);
  display: flex;
  flex-direction: column;
  min-height: 500px;
  height: 100%;
  box-sizing: border-box;
  overflow: hidden;
  z-index: 1;
}

/* Laser Neon quét 360 độ quanh viền */
.process-display-panel::before {
  content: '';
  position: absolute;
  inset: -50%;
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    transparent 65%,
    rgba(227, 160, 55, 0.6) 85%,
    #ffd580 95%,
    #ffffff 100%
  );
  animation: rotateLaser 6s linear infinite;
  z-index: -2;
}

@keyframes rotateLaser {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.process-display-panel::after {
  content: '';
  position: absolute;
  inset: 1.5px;
  background: #0b0c10;
  border-radius: calc(var(--radius-xl) - 1.5px);
  z-index: -1;
}

/* Quầng sáng Ambient nền */
.panel-neon-glow {
  position: absolute;
  top: -20%;
  right: -20%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(227, 160, 55, 0.18), transparent 70%);
  pointer-events: none;
  z-index: 0;
  animation: ambientFloat 8s ease-in-out infinite alternate;
}

@keyframes ambientFloat {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-20px, 20px) scale(1.1); }
}

/* RESPONSIVE CHO QUY TRÌNH */
@media (max-width: 992px) {
  .process-header-locked {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .process-control-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .process-display-panel {
    min-height: auto;
  }
}
/* ==========================================================================
   DIGITECH - STEP PANES & DỰ ÁN TIÊU BIỂU (SHOWCASE & CYBER PILL CTA)
   ========================================================================== */

/* ---------- 1. HIỆU ỨNG CHUYỂN CẢNH BƯỚC QUY TRÌNH (STEP PANES) ---------- */
.step-pane {
  display: none;
  height: 100%;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

.step-pane.active {
  display: flex;
}

/* Hiệu ứng lướt so le (Staggered Animation) */
.step-pane.active .pane-header {
  animation: smoothAppear 0.35s var(--ease-out) both;
}

.step-pane.active .spec-card:nth-child(1) {
  animation: smoothAppear 0.38s var(--ease-out) 0.05s both;
}
.step-pane.active .spec-card:nth-child(2) {
  animation: smoothAppear 0.38s var(--ease-out) 0.1s both;
}
.step-pane.active .spec-card:nth-child(3) {
  animation: smoothAppear 0.38s var(--ease-out) 0.15s both;
}

@keyframes smoothAppear {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.pane-header {
  margin-bottom: 1.8rem;
}

.pane-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--ink-000);
  background: var(--lime);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  box-shadow: 0 0 14px var(--lime-glow);
}

.pane-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.8vw, 1.65rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin: 0 0 0.5rem 0;
}

.pane-lead {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--fg-soft);
  line-height: 1.6;
  margin: 0;
}

/* DANH SÁCH 3 Ô TIÊU CHUẨN KỸ THUẬT */
.pane-cards-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: auto;
}

.spec-card {
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
  padding: 1.05rem 1.3rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  transition: all 0.35s var(--ease-out);
}

.spec-card:hover {
  background: rgba(227, 160, 55, 0.07);
  border-color: rgba(227, 160, 55, 0.45);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6), 0 0 15px var(--lime-glow);
  transform: translateX(6px);
}

.spec-card-icon-svg {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(227, 160, 55, 0.1);
  border: 1px solid rgba(227, 160, 55, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
  margin-top: 2px;
  transition: all var(--dur-base) ease;
}

.spec-card:hover .spec-card-icon-svg {
  background: var(--lime);
  color: var(--ink-000);
  box-shadow: 0 0 14px var(--lime-glow);
  transform: rotate(12deg) scale(1.08);
}

.spec-card-body h5 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--lime);
  margin: 0 0 0.25rem 0;
}

.spec-card-body p {
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

/* ---------- 2. SECTION DỰ ÁN TIÊU BIỂU (PROJECTS SHOWCASE) ---------- */
.projects-showcase-section {
  position: relative;
  padding: 6.5rem 0;
  background: var(--ink-000);
  overflow: hidden;
}

/* HEADER TIÊU ĐỀ KHÓA CÂN ĐÁY */
.projects-header-locked {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 2.2rem;
  margin-bottom: 3.5rem;
}

.projects-title-col {
  flex-shrink: 0;
}

.projects-title-col .eyebrow {
  margin-bottom: 0.5rem;
  display: inline-flex;
}

.projects-title-col .projects-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 900;
  text-transform: uppercase;
  color: #ffffff;
  margin: 0;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

/* THẺ HIGHLIGHT VIỀN CAM NỐI TIẾP */
.projects-highlight-box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.15rem 1.6rem;
  background: rgba(13, 14, 20, 0.92);
  border: 1px solid rgba(227, 160, 55, 0.45);
  border-radius: var(--radius);
  box-shadow: 
    0 12px 30px rgba(0, 0, 0, 0.6),
    0 0 20px var(--lime-glow);
  transition: all var(--dur-base) var(--ease-out);
  margin-bottom: 3px;
}

.projects-highlight-box:hover {
  border-color: rgba(227, 160, 55, 0.85);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8), 0 0 30px rgba(227, 160, 55, 0.2);
  transform: translateY(-2px);
}

.projects-box-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(227, 160, 55, 0.1);
  border: 1px solid rgba(227, 160, 55, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
}

.projects-box-text {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.projects-box-text .text-gold {
  color: var(--lime);
  font-weight: 700;
  text-shadow: 0 0 10px var(--lime-glow);
}

/* LƯỚI CARD DỰ ÁN TRƯỜNG QUAY (TRƯỜNG HỢP DÙNG DẠNG GRID TIÊU CHUẨN) */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
  margin-bottom: 3.5rem;
  perspective: 1200px;
}

.proj-card {
  position: relative;
  background: #0c0d12;
  border: 1px solid var(--rule);
  border-radius: var(--radius-xl);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.15s ease-out, border-color 0.4s ease, box-shadow 0.4s ease;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
}

.proj-card:hover {
  border-color: rgba(227, 160, 55, 0.75);
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.95),
    0 0 35px var(--lime-glow);
}

/* KHUNG ẢNH VIỀN VÀNG PHÁT QUANG */
.proj-media-container {
  position: relative;
  border-radius: var(--radius);
  padding: 2px;
  background: linear-gradient(180deg, rgba(227, 160, 55, 0.35) 0%, rgba(255, 255, 255, 0.08) 100%);
  transition: all 0.4s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
}

.proj-card:hover .proj-media-container {
  background: linear-gradient(180deg, #ffd580 0%, var(--lime) 100%);
  box-shadow: 0 0 22px rgba(227, 160, 55, 0.5);
}

.proj-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
  background: #000000;
}

.proj-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out), filter 0.4s ease;
}

.proj-card:hover .proj-card-media img {
  transform: scale(1.08);
  filter: brightness(1.08);
}

.proj-media-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(12, 13, 18, 0.85) 100%);
  pointer-events: none;
}

/* BADGES & NÚT MŨI TÊN TRÊN ẢNH */
.proj-badges-top {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  right: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 3;
}

.proj-tag {
  background: rgba(13, 14, 20, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
}

.proj-card:hover .proj-tag {
  border-color: rgba(227, 160, 55, 0.7);
  color: var(--lime);
  background: rgba(13, 14, 20, 0.98);
}

.proj-arrow-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(13, 14, 20, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: all 0.35s ease;
}

.proj-card:hover .proj-arrow-btn {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-000);
  box-shadow: 0 0 16px rgba(227, 160, 55, 0.8);
  transform: rotate(45deg);
}

/* PHẦN CHỮ CARD */
.proj-card-body {
  padding: 1.25rem 0.6rem 0.5rem 0.6rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.proj-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 0.85rem 0;
  line-height: 1.35;
  transition: color 0.3s ease;
}

.proj-card:hover .proj-card-title {
  color: #ffd580;
}

.proj-card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  border-top: 1px solid var(--rule);
  padding-top: 0.85rem;
}

.proj-tech {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.proj-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--lime);
  flex-shrink: 0;
}

/* ---------- 3. NÚT XEM TẤT CẢ DỰ ÁN (CYBER PILL CTA) ---------- */
.projects-cta-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-cyber-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 2.2rem;
  background: #0a0b0f;
  border: 1.5px solid rgba(227, 160, 55, 0.6);
  border-radius: var(--radius-full);
  text-decoration: none;
  box-shadow: 
    0 10px 30px rgba(0, 0, 0, 0.7),
    0 0 20px var(--lime-glow);
  transition: all 0.35s var(--ease-out);
  overflow: hidden;
}

/* Vệt sáng Shimmer lướt qua */
.btn-cyber-pill::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(227, 160, 55, 0.3) 50%, transparent 100%);
  animation: btnShimmer 3.5s infinite;
  pointer-events: none;
}

@keyframes btnShimmer {
  0%       { left: -100%; }
  60%, 100% { left: 200%; }
}

.btn-cyber-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
  transition: all 0.3s ease;
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.35); opacity: 0.6; }
}

.btn-cyber-pill .btn-text {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #ffffff;
  transition: color 0.3s ease;
}

.btn-cyber-pill .btn-count {
  background: rgba(227, 160, 55, 0.15);
  border: 1px solid rgba(227, 160, 55, 0.45);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--lime);
  transition: all 0.3s ease;
}

.btn-cyber-pill .btn-icon {
  font-size: 0.95rem;
  color: var(--lime);
  transition: transform 0.35s ease, color 0.3s ease;
}

/* Hover chuyển màu đen dập nổi trên nền vàng Neon */
.btn-cyber-pill:hover {
  background: var(--lime);
  border-color: #ffd580;
  box-shadow: 
    0 15px 40px rgba(0, 0, 0, 0.9),
    0 0 35px rgba(227, 160, 55, 0.7);
  transform: translateY(-3px) scale(1.02);
}

.btn-cyber-pill:hover .btn-cyber-pulse {
  background: #000000;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

.btn-cyber-pill:hover .btn-text {
  color: #000000;
}

.btn-cyber-pill:hover .btn-count {
  background: #000000;
  color: #ffd580;
  border-color: #000000;
}

.btn-cyber-pill:hover .btn-icon {
  color: #000000;
  transform: translateX(6px);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .projects-header-locked {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }
}
/* ==========================================================================
   DIGITECH - ĐỐI TÁC CHIẾN LƯỢC & LIÊN HỆ DOANH NGHIỆP (CLEANED)
   ========================================================================== */

/* ---------- 1. ĐỐI TÁC CHIẾN LƯỢC (NEON GLOWING MARQUEE) ---------- */
.partners-marquee-section {
  position: relative;
  padding: 6.5rem 0;
  background: var(--ink-000);
  overflow: hidden;
}

/* HEADER KHÓA KHUÔN ĐỐI XỨNG CÂN ĐÁY VỚI TIÊU ĐỀ */
.partners-header-locked {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 2.2rem;
  margin-bottom: 4rem;
}

.partners-title-col {
  flex-shrink: 0;
}

.partners-title-col .eyebrow {
  margin-bottom: 0.5rem;
  display: inline-flex;
}

.partners-title-col .partners-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 900;
  text-transform: uppercase;
  color: #ffffff;
  margin: 0;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.partners-highlight-box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.15rem 1.6rem;
  background: rgba(13, 14, 20, 0.92);
  border: 1px solid rgba(227, 160, 55, 0.45);
  border-radius: var(--radius);
  box-shadow: 
    0 12px 30px rgba(0, 0, 0, 0.6),
    0 0 20px var(--lime-glow);
  transition: all var(--dur-base) var(--ease-out);
  margin-bottom: 3px;
}

.partners-highlight-box:hover {
  border-color: rgba(227, 160, 55, 0.85);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8), 0 0 30px rgba(227, 160, 55, 0.2);
  transform: translateY(-2px);
}

.partners-box-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(227, 160, 55, 0.1);
  border: 1px solid rgba(227, 160, 55, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
}

.partners-box-text {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.partners-box-text .text-gold {
  color: var(--lime);
  font-weight: 700;
  text-shadow: 0 0 10px var(--lime-glow);
}

/* PHÂN TẦNG VÀ BĂNG CHUYỀN */
.partner-tier-block {
  margin-bottom: 4rem;
}

.partner-tier-block:last-child {
  margin-bottom: 0;
}

.tier-label-wrap {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.8rem;
}

.tier-badge {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.tier-badge--gold {
  color: var(--lime);
  background: rgba(227, 160, 55, 0.1);
  border-color: rgba(227, 160, 55, 0.45);
  box-shadow: 0 0 16px var(--lime-glow);
}

.tier-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(227, 160, 55, 0.35), transparent);
}

/* BĂNG CHUYỀN VÔ TẬN (MARQUEE TRACK) */
.marquee-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 1.2rem 0;
  mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
}

.marquee-track {
  display: flex;
  gap: 2rem;
  width: max-content;
}

.track-left {
  animation: scrollLeft 40s linear infinite;
}

.track-right {
  animation: scrollRight 40s linear infinite;
}

.marquee-slider:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes scrollLeft {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes scrollRight {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* THẺ LOGO ĐỐI TÁC TRONG MARQUEE */
.brand-logo-card {
  width: 270px;
  height: 175px;
  padding: 1.2rem 1.4rem;
  background: #090a0f;
  border: 1px solid rgba(227, 160, 55, 0.35);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: all 0.35s var(--ease-out);
  box-shadow: 
    0 12px 30px rgba(0, 0, 0, 0.8),
    0 0 18px rgba(227, 160, 55, 0.1);
  flex-shrink: 0;
  position: relative;
}

.brand-img-wrap {
  width: 100%;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1.5px solid rgba(227, 160, 55, 0.6);
  border-radius: var(--radius);
  padding: 0.6rem 1.1rem;
  margin-bottom: 0.85rem;
  overflow: hidden;
  box-shadow: 
    0 6px 15px rgba(0, 0, 0, 0.4),
    0 0 14px var(--lime-glow);
  transition: all var(--dur-base) ease;
}

.partner-logo-img {
  max-width: 95%;
  max-height: 100%;
  object-fit: contain;
  filter: contrast(1.1);
  transition: all var(--dur-base) ease;
}

.brand-name-sub {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  transition: all var(--dur-fast) ease;
}

.client-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--lime);
  letter-spacing: 0.12em;
  margin-bottom: 0.45rem;
  text-shadow: 0 0 8px var(--lime-glow);
}

.brand-logo-card:hover {
  background: #12141c;
  border-color: #ffd580;
  transform: translateY(-8px) scale(1.04);
  box-shadow: 
    0 22px 50px rgba(0, 0, 0, 0.95),
    0 0 35px rgba(227, 160, 55, 0.5),
    inset 0 0 15px rgba(227, 160, 55, 0.12);
}

.brand-logo-card:hover .brand-img-wrap {
  border-color: #ffd580;
  box-shadow: 0 0 25px rgba(227, 160, 55, 0.65);
  transform: scale(1.03);
}

.brand-logo-card:hover .partner-logo-img {
  transform: scale(1.06);
}

.brand-logo-card:hover .brand-name-sub {
  color: #ffd580;
  text-shadow: 0 0 15px rgba(227, 160, 55, 0.8);
}

/* ---------- 2. LIÊN HỆ & PROFILE DOANH NGHIỆP ---------- */
.contact-matrix-section {
  position: relative;
  padding: 6.5rem 0;
  background: var(--ink-000);
  overflow: hidden;
}

/* BANNER PROFILE DOANH NGHIỆP */
.contact-cta-banner {
  position: relative;
  background: radial-gradient(circle at center, rgba(32, 26, 16, 0.95) 0%, rgba(10, 11, 16, 0.98) 100%);
  border: 1px solid rgba(227, 160, 55, 0.55);
  border-radius: var(--radius-xl);
  padding: 4.5rem 3.5rem;
  text-align: center;
  margin-bottom: 5.5rem;
  overflow: hidden;
  box-shadow: 
    0 25px 60px rgba(0, 0, 0, 0.9),
    0 0 35px var(--lime-glow);
}

.cta-banner-glow {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(227, 160, 55, 0.25), transparent 70%);
  pointer-events: none;
}

.cta-banner-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  margin: 0 auto;
}

.cta-banner-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.9rem);
  font-weight: 900;
  text-transform: uppercase;
  color: #ffffff;
  margin: 0.8rem 0 1.2rem 0;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.cta-banner-desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
  margin: 0 0 2.4rem 0;
}

.cta-banner-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.btn-ghost-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.35s var(--ease-out);
}

.btn-ghost-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* HEADER KHÓA KHUÔN LIÊN HỆ */
.contact-header-locked {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 2.2rem;
  margin-bottom: 3.5rem;
}

.contact-title-col {
  flex-shrink: 0;
}

.contact-title-col .eyebrow {
  margin-bottom: 0.5rem;
  display: inline-flex;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 900;
  text-transform: uppercase;
  color: #ffffff;
  margin: 0;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.contact-highlight-box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.15rem 1.6rem;
  background: rgba(13, 14, 20, 0.92);
  border: 1px solid rgba(227, 160, 55, 0.45);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  margin-bottom: 3px;
  transition: all var(--dur-base) var(--ease-out);
}

.contact-highlight-box:hover {
  border-color: rgba(227, 160, 55, 0.85);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.8), 0 0 30px rgba(227, 160, 55, 0.2);
  transform: translateY(-2px);
}

.contact-box-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(227, 160, 55, 0.1);
  border: 1px solid rgba(227, 160, 55, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
}

.contact-box-text {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.contact-box-text .text-gold {
  color: var(--lime);
  font-weight: 700;
  text-shadow: 0 0 10px var(--lime-glow);
}

/* LƯỚI THÔNG TIN LIÊN HỆ & GOOGLE MAPS */
.contact-info-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2.2rem;
  align-items: stretch;
}

.contact-card {
  background: #0b0c10;
  border: 1px solid var(--rule);
  border-radius: var(--radius-xl);
  padding: 2.2rem;
  transition: all 0.35s var(--ease-out);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.7);
  box-sizing: border-box;
}

.contact-card:hover {
  border-color: rgba(227, 160, 55, 0.65);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.9), 0 0 25px var(--lime-glow);
}

.card-top-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(227, 160, 55, 0.12);
  border: 1.5px solid rgba(227, 160, 55, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lime);
  transition: all var(--dur-base) ease;
}

.contact-card:hover .info-icon {
  background: var(--lime);
  color: var(--ink-000);
  box-shadow: 0 0 15px var(--lime-glow);
  transform: rotate(6deg) scale(1.05);
}

.info-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--lime);
  letter-spacing: 0.1em;
}

.info-badge--gold {
  color: #ffd580;
}

.info-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0.1rem 0 0 0;
}

.info-address {
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin: 0 0 1.5rem 0;
}

.info-address strong {
  color: var(--lime);
}

/* CỘT TRÁI: HQ & BẢN ĐỒ */
.hq-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.map-embed-container {
  flex: 1;
  min-height: 320px;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1.5px solid rgba(227, 160, 55, 0.3);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.8);
  filter: invert(90%) hue-rotate(180deg) brightness(95%) contrast(90%);
  transition: all 0.35s ease;
}

.hq-card:hover .map-embed-container {
  border-color: rgba(227, 160, 55, 0.75);
  box-shadow: 0 0 25px rgba(227, 160, 55, 0.35);
}

/* CỘT PHẢI: KẾT NỐI TRỰC TIẾP & PHÁP NHÂN */
.contact-right-col {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  height: 100%;
  justify-content: space-between;
}

.direct-connect-card {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.direct-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: auto;
}

.direct-item {
  display: flex;
  flex-direction: column;
  padding: 0.95rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease-out);
}

.direct-item:hover {
  background: rgba(227, 160, 55, 0.06);
  border-color: rgba(227, 160, 55, 0.45);
  transform: translateX(6px);
}

.direct-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--paper-deep);
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.direct-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
}

.direct-sub {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--lime);
  margin-top: 0.2rem;
}

.legal-company-name {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.5;
  margin: 0 0 0.85rem 0;
}

.legal-tax {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.tax-number {
  font-family: var(--font-mono);
  font-weight: 800;
  color: #ffd580;
  letter-spacing: 0.06em;
  background: rgba(227, 160, 55, 0.15);
  border: 1px solid rgba(227, 160, 55, 0.4);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

/* ---------- RESPONSIVE CHO PARTNERS & CONTACT ---------- */
@media (max-width: 1080px) {
  .partners-header-locked,
  .contact-header-locked {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .partners-highlight-box,
  .contact-highlight-box {
    width: 100%;
  }
  .brand-logo-card {
    width: 230px;
    height: 155px;
  }
  .brand-img-wrap {
    height: 75px;
  }
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   DIGITECH - CORPORATE FOOTER, CYBER FLOATING NAVBAR & GLOBAL HELPERS
   ========================================================================== */

/* ---------- 1. CYBER FLOATING NAVBAR (THANH ĐIỀU HƯỚNG NỔI CHÍNH) ---------- */
.site-header-cyber {
  position: fixed;
  top: 20px;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  justify-content: center;
  pointer-events: none;
  transition: all 0.4s var(--ease-out);
}

/* THANH KÍNH GLASSMORPHISM */
.header-glass-bar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 92%;
  max-width: 1320px;
  height: 72px;
  padding: 0 1.2rem 0 2rem;
  background: rgba(10, 11, 16, 0.88);
  border: 1px solid var(--rule);
  border-radius: var(--radius-full);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 
    0 15px 35px rgba(0, 0, 0, 0.7),
    0 0 20px var(--lime-glow);
  transition: all 0.35s var(--ease-out);
}

/* KHI CUỘN TRANG (SCROLLED) */
body.is-scrolled .site-header-cyber {
  top: 10px;
}

body.is-scrolled .header-glass-bar {
  height: 62px;
  background: rgba(6, 7, 10, 0.96);
  border-color: rgba(227, 160, 55, 0.35);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.9), 0 0 25px var(--lime-glow);
}

/* LOGO CÔNG TY */
.brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  height: 100%;
}

.logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.brand-logo:hover .logo-img {
  transform: scale(1.05);
}

/* THANH MENU NÚT BẤM (NAV ITEMS) */
.nav-cyber-menu {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.35rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.3s ease;
}

.nav-text {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.02em;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-glow-border {
  position: absolute;
  inset: 0;
  border: 1.5px solid transparent;
  border-radius: var(--radius-full);
  background: transparent;
  z-index: 1;
  opacity: 0;
  transform: scale(0.92);
  transition: all 0.3s var(--ease-out);
}

.nav-item:hover .nav-text,
.nav-item.active .nav-text {
  color: #ffd580;
  text-shadow: 0 0 10px var(--lime-glow);
}

.nav-item:hover .nav-glow-border,
.nav-item.active .nav-glow-border {
  opacity: 1;
  transform: scale(1);
  border-color: rgba(227, 160, 55, 0.85);
  background: rgba(227, 160, 55, 0.1);
  box-shadow: inset 0 0 10px var(--lime-glow), 0 0 15px var(--lime-glow);
}

/* NÚT CTA HEADER: "LIÊN HỆ NGAY" */
.header-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-cyber-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--lime);
  color: var(--ink-000);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 800;
  padding: 0.65rem 1.6rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.3s var(--ease-out);
  box-shadow: 0 4px 15px var(--lime-glow);
}

.btn-cyber-contact .arrow {
  transition: transform 0.3s ease;
}

.btn-cyber-contact:hover {
  background: #ffb74d;
  box-shadow: 0 8px 25px rgba(227, 160, 55, 0.7);
  transform: translateY(-2px);
}

.btn-cyber-contact:hover .arrow {
  transform: translateX(4px);
}

/* HAMBURGER TOGGLE TRÊN MOBILE */
.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  position: relative;
  cursor: pointer;
}

.nav-mobile-toggle span {
  display: block;
  position: absolute;
  height: 2px;
  width: 24px;
  background: #ffffff;
  border-radius: 2px;
  left: 8px;
  transition: all 0.3s ease;
}
.nav-mobile-toggle span:nth-child(1) { top: 12px; }
.nav-mobile-toggle span:nth-child(2) { top: 19px; }
.nav-mobile-toggle span:nth-child(3) { top: 26px; }

/* ---------- 2. ĐƯỜNG PHÂN TÁCH SECTION & MÀU NỀN TẦNG (ZEBRA LAYOUT) ---------- */
.section-divider {
  position: relative;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg, 
    transparent 0%, 
    rgba(227, 160, 55, 0.15) 20%, 
    var(--lime) 50%, 
    rgba(227, 160, 55, 0.15) 80%, 
    transparent 100%
  );
  margin: 0;
  box-shadow: 0 0 15px rgba(227, 160, 55, 0.4);
  z-index: 10;
}

.section-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 9px;
  height: 9px;
  background: var(--lime);
  border: 2px solid #000000;
  box-shadow: 0 0 12px rgba(227, 160, 55, 0.9);
}

/* MÀU NỀN CÁC KHU VỰC ĐAN XEN CHUẨN CYBER */
.hero-section,
#services,
#projects,
#contact {
  background: var(--ink-000) !important;
}

#about,
.process-matrix-section,
#partners {
  background: #090a0f !important;
  position: relative;
}

/* ---------- 3. FOOTER DOANH NGHIỆP CAO CẤP (PRO CORPORATE) ---------- */
.corporate-footer {
  background: #020204;
  border-top: 1px solid var(--rule);
  padding: 5rem 0 2.5rem 0;
}

.footer-main-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

/* CỘT 1: LOGO & TỔNG QUAN DOANH NGHIỆP */
.footer-logo-wrap {
  display: inline-block;
  margin-bottom: 1.2rem;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: brightness(1.1);
  transition: transform 0.3s ease;
}

.footer-logo-wrap:hover .footer-logo-img {
  transform: scale(1.04);
}

.footer-company-title {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.5;
  margin: 0 0 0.6rem 0;
}

.footer-slogan {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--lime);
  margin: 0 0 0.8rem 0;
}

.footer-desc {
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* TIÊU ĐỀ CÁC CỘT FOOTER VỚI CHẤM NEON */
.footer-col-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 1.6rem 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.footer-col-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 8px var(--lime);
}

/* CỘT 2: DANH MỤC TRANG */
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.footer-links li a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.25s ease;
}

.footer-links li a:hover {
  color: #ffd580;
  transform: translateX(5px);
}

/* CỘT 3: THÔNG TIN KẾT NỐI TRỰC TIẾP */
.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.footer-contact-list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.f-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.f-val {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: #ffffff;
  line-height: 1.5;
}

.f-val.text-gold {
  color: #ffd580;
  font-weight: 700;
  font-size: 1.05rem;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}

/* ĐÁY FOOTER & COPYRIGHT */
.footer-bottom-bar {
  border-top: 1px solid var(--ink-line-soft);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.copyright-text {
  font-family: var(--font-body);
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-bottom-links a {
  font-family: var(--font-body);
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color var(--dur-fast) ease;
}

.footer-bottom-links a:hover {
  color: var(--lime);
}

.footer-bottom-links span {
  color: rgba(255, 255, 255, 0.2);
}

/* ---------- 4. TIỆN ÍCH HỆ THỐNG & REDUCED MOTION ---------- */
.divider   { border: 0; border-top: 1px solid var(--rule); margin: 0; }
.hidden    { display: none; }
.lime-text { color: var(--lime); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- 5. RESPONSIVE TOÀN CỤC CHUẨN ĐA THIẾT BỊ ---------- */
@media (max-width: 1080px) {
  .nav-cyber-menu,
  .btn-cyber-contact {
    display: none;
  }
  .nav-mobile-toggle {
    display: block;
  }
  .footer-main-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 640px) {
  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .header-glass-bar {
    height: 58px;
    padding: 0 1rem;
  }
  .logo-img {
    height: 30px;
  }
}
/* ==================== BẬT ĐỒNG BỘ HIỆU ỨNG 3D TILT & GLOWING TOÀN TRANG ==================== */

/* 1. Bật không gian 3D cho các khu vực chứa thẻ */
.hero-media,
.about-3d-card,
.motto-box-luxury,
.sol-card,
.project-card,
.proj-card {
  transform-style: preserve-3d !important;
  will-change: transform !important;
  transition: transform 0.15s ease-out, box-shadow 0.35s ease, border-color 0.35s ease !important;
}

/* 2. Hiệu ứng viền phát sáng Glowing & Bóng đổ Neon khi di chuột */
.motto-box-luxury:hover {
  border-color: rgba(227, 160, 55, 0.9) !important;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.9), 0 0 35px rgba(227, 160, 55, 0.3) !important;
}

.about-3d-card:hover {
  border-color: rgba(227, 160, 55, 0.9) !important;
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.95), 0 0 40px rgba(227, 160, 55, 0.35) !important;
}

.sol-card {
  --mouse-x: 50%;
  --mouse-y: 50%;
  --glow-opacity: 0;
}

.sol-card:hover {
  border-color: rgba(255, 184, 77, 0.95) !important;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.95), 0 0 35px rgba(227, 160, 55, 0.45) !important;
}

/* 3. Dải sáng Spotlight hắt theo tâm con trỏ chuột trên Card Giải Pháp */
.sol-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(
    380px circle at var(--mouse-x) var(--mouse-y),
    rgba(255, 213, 128, 0.25) 0%,
    rgba(227, 160, 55, 0.08) 40%,
    transparent 70%
  );
  opacity: var(--glow-opacity);
  transition: opacity 0.25s ease;
  pointer-events: none;
  z-index: 4;
}
/* ==========================================================================
   1. HIỆU ỨNG NỀN MA TRẬN TÍN HIỆU TOÀN TRANG (BROADCAST MATRIX BG)
   ========================================================================== */
html, body {
  background-color: #06080b !important;
  background-image: 
    radial-gradient(rgba(227, 160, 55, 0.18) 1.5px, transparent 1.5px),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px) !important;
  background-size: 36px 36px, 72px 72px, 72px 72px !important;
  background-attachment: fixed !important;
  color: #ffffff;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Lớp Canvas phủ hạt tín hiệu và tia nối toàn trang (Cố định toàn màn hình) */
#global-network-canvas,
.cyber-particles-canvas {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  display: block !important;
  pointer-events: none !important;
  z-index: 0 !important;
  opacity: 0.9 !important;
}

/* Ép tất cả các phân vùng & section TRONG SUỐT để nhìn thấy Canvas phía sau */
main,
section,
.site-section,
.hero,
.hero-section,
#home,
#about,
#services,
#process,
#projects,
#partners,
#contact,
footer,
.container,
.container--wide {
  background-color: transparent !important;
  background: transparent !important;
  position: relative !important;
  z-index: 1 !important;
}

/* ==========================================================================
   2. VIỀN LASER GLOWING CHẠY 360 ĐỘ KHUNG ẢNH HERO
   ========================================================================== */
.hero-media {
  position: relative;
  border-radius: 24px !important;
  padding: 2px !important;
  background: transparent !important;
  overflow: hidden !important;
  border: none !important;
  box-shadow: 
    0 25px 60px rgba(0, 0, 0, 0.95),
    0 0 45px rgba(227, 160, 55, 0.35) !important;
  transform-style: preserve-3d;
  will-change: transform;
}

.hero-media::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(
    transparent 0%,
    transparent 60%,
    rgba(227, 160, 55, 0.4) 75%,
    var(--lime, #e3a037) 88%,
    #ffd580 96%,
    #ffffff 100%
  );
  animation: rotateHeroGlow 4s linear infinite;
  z-index: 0;
}

@keyframes rotateHeroGlow {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.slides-container {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 22px;
  overflow: hidden;
  background: #08090d;
  z-index: 1;
}

/* ==========================================================================
   3. GIAO DIỆN MODAL CHI TIẾT DỰ ÁN & THẺ CARD KÍNH MỜ (GLASSMORPHISM)
   ========================================================================== */
/* Nền kính mờ cho các Card để đọc chữ rõ ràng trên nền ma trận */
.card-cyber,
.sol-card,
.motto-box-luxury,
.project-card,
.about-media-box {
  background: rgba(13, 16, 22, 0.82) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
}

.modal-content-col {
  padding: 2.2rem 2.4rem !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  gap: 1.2rem !important;
}

.modal-title {
  font-size: 1.28rem !important;
  line-height: 1.35 !important;
  margin: 0 !important;
  padding-right: 2.5rem !important;
}

.modal-desc-box {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.modal-desc-text {
  font-size: 0.88rem !important;
  line-height: 1.6 !important;
  margin: 0 !important;
  color: rgba(255, 255, 255, 0.75) !important;
}

.modal-specs-grid {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 0.65rem !important;
  margin: 0 !important;
}

.spec-card {
  background: rgba(255, 255, 255, 0.03) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 12px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  padding: 0.9rem 1.15rem !important;
  min-height: 80px !important;
  box-sizing: border-box !important;
}

.spec-card--full {
  grid-column: 1 / -1 !important;
  min-height: 72px !important;
  background: rgba(227, 160, 55, 0.05) !important;
  border-color: rgba(227, 160, 55, 0.3) !important;
}

.spec-label {
  display: block !important;
  font-family: var(--font-mono, monospace) !important;
  font-size: 0.68rem !important;
  font-weight: 700 !important;
  color: var(--lime, #e3a037) !important;
  letter-spacing: 0.08em !important;
  margin: 0 0 0.35rem 0 !important;
  text-transform: uppercase !important;
  line-height: 1.2 !important;
}

.spec-val {
  display: block !important;
  font-family: 'Plus Jakarta Sans', sans-serif !important;
  font-size: 0.92rem !important;
  font-weight: 700 !important;
  color: #ffffff !important;
  line-height: 1.4 !important;
  margin: 0 !important;
}

.modal-footer-action {
  margin-top: 0.2rem !important;
  display: flex !important;
  justify-content: flex-end !important;
}
/* ==================== CYBER AMBER ANIMATED BUTTON ==================== */
.projects-action-center {
  text-align: center;
  margin-top: 3.5rem;
  position: relative;
  z-index: 10;
}

.btn-toggle-projects {
  position: relative;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 12px !important;
  background: linear-gradient(135deg, #e3a037 0%, #c98522 100%) !important;
  color: #07090c !important;
  font-family: 'Plus Jakarta Sans', sans-serif !important;
  font-size: 0.92rem !important;
  font-weight: 800 !important;
  padding: 0.95rem 2.6rem !important;
  border-radius: 99px !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  cursor: pointer !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  overflow: hidden;
  box-shadow: 0 0 25px rgba(227, 160, 55, 0.4), 0 8px 20px rgba(0, 0, 0, 0.5) !important;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, background 0.3s ease !important;
  user-select: none;
}

/* Vệt sáng lướt qua khi rê chuột (Shimmer Light Sweep) */
.btn-toggle-projects::before {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 80%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: skewX(-25deg);
  transition: left 0.75s ease;
}

.btn-toggle-projects:hover::before {
  left: 150%;
}

/* Hover vào nút: Nổi lên và tăng quầng sáng */
.btn-toggle-projects:hover {
  transform: translateY(-3px) scale(1.02) !important;
  box-shadow: 0 0 40px rgba(227, 160, 55, 0.75), 0 12px 25px rgba(0, 0, 0, 0.6) !important;
  background: linear-gradient(135deg, #f5b248 0%, #e3a037 100%) !important;
}

.btn-toggle-projects:active {
  transform: translateY(0) scale(0.98) !important;
}

/* Chuyển động icon mũi tên */
.btn-toggle-projects svg {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
  will-change: transform;
}

/* Khi hover: Icon nhấp nhô lên xuống */
.btn-toggle-projects:hover svg {
  animation: arrowBounce 0.8s ease-in-out infinite alternate;
}

@keyframes arrowBounce {
  0% {
    transform: translateY(-2px);
  }
  100% {
    transform: translateY(4px);
  }
}

/* Khi đã bung ra (Expanded): Đảo chiều mũi tên và nhấp nhô ngược lên */
.btn-toggle-projects.expanded svg {
  transform: rotate(180deg) !important;
}

.btn-toggle-projects.expanded:hover svg {
  animation: arrowBounceUp 0.8s ease-in-out infinite alternate;
}

@keyframes arrowBounceUp {
  0% {
    transform: rotate(180deg) translateY(-2px);
  }
  100% {
    transform: rotate(180deg) translateY(4px);
  }
}

/* ==================== MODAL MULTI-IMAGE SLIDER & DOTS ==================== */
.modal-img-frame {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 16px;
  background: #000;
}

#mImg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease-in-out;
}

#mImg.fade-out {
  opacity: 0.2;
}

/* Thanh chấm chỉ báo ảnh ở góc dưới trong modal */
.modal-slider-dots {
  position: absolute;
  bottom: 14px;
  right: 16px;
  display: flex;
  gap: 6px;
  z-index: 5;
}

.modal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
}

.modal-dot.active {
  width: 18px;
  border-radius: 99px;
  background: var(--lime, #e3a037);
  box-shadow: 0 0 8px rgba(227, 160, 55, 0.8);
}