/* ==========================================================================
   Công ty TNHH eChip (echipco.com) — Corporate & Ecosystem Portal Stylesheet
   Engineered with Modern Web Platform Standards (CSS Grid/Subgrid, light-dark(),
   Logical Properties, Native Dialog Top-Layer, View Transitions)
   ========================================================================== */

:root {
  /* Raw Light Mode Palette */
  --bg-canvas-light: #f8fafc;
  --bg-surface-light: #ffffff;
  --bg-elevated-light: #f1f5f9;
  --bg-glass-light: rgba(255, 255, 255, 0.84);
  --text-primary-light: #0f172a;
  --text-secondary-light: #334155;
  --text-muted-light: #64748b;
  --border-subtle-light: #e2e8f0;
  --border-strong-light: #cbd5e1;
  --brand-primary-light: #1d4ed8;
  --brand-accent-light: #0284c7;
  --brand-emerald-light: #059669;
  --card-shadow-light: 0 10px 30px -10px rgba(15, 23, 42, 0.07), 0 4px 10px -4px rgba(15, 23, 42, 0.04);
  --card-shadow-hover-light: 0 22px 45px -12px rgba(29, 78, 216, 0.16), 0 8px 20px -6px rgba(15, 23, 42, 0.08);
  --scrollbar-track-light: #f1f5f9;
  --scrollbar-thumb-light: #64748b;

  /* Raw Dark Mode Palette */
  --bg-canvas-dark: #070b14;
  --bg-surface-dark: #0f172a;
  --bg-elevated-dark: #1e293b;
  --bg-glass-dark: rgba(15, 23, 42, 0.82);
  --text-primary-dark: #f8fafc;
  --text-secondary-dark: #cbd5e1;
  --text-muted-dark: #94a3b8;
  --border-subtle-dark: rgba(148, 163, 184, 0.16);
  --border-strong-dark: rgba(148, 163, 184, 0.3);
  --brand-primary-dark: #38bdf8;
  --brand-accent-dark: #22d3ee;
  --brand-emerald-dark: #34d399;
  --card-shadow-dark: 0 14px 34px -12px rgba(0, 0, 0, 0.55), 0 4px 12px -4px rgba(0, 0, 0, 0.4);
  --card-shadow-hover-dark: 0 24px 48px -12px rgba(56, 189, 248, 0.2), 0 8px 20px -6px rgba(0, 0, 0, 0.6);
  --scrollbar-track-dark: #0f172a;
  --scrollbar-thumb-dark: #94a3b8;

  /* Default fallback tokens (Light) */
  --bg-canvas: var(--bg-canvas-light);
  --bg-surface: var(--bg-surface-light);
  --bg-elevated: var(--bg-elevated-light);
  --bg-glass: var(--bg-glass-light);
  --text-primary: var(--text-primary-light);
  --text-secondary: var(--text-secondary-light);
  --text-muted: var(--text-muted-light);
  --border-subtle: var(--border-subtle-light);
  --border-strong: var(--border-strong-light);
  --brand-primary: var(--brand-primary-light);
  --brand-accent: var(--brand-accent-light);
  --brand-emerald: var(--brand-emerald-light);
  --card-shadow: var(--card-shadow-light);
  --card-shadow-hover: var(--card-shadow-hover-light);
  --scrollbar-track: var(--scrollbar-track-light);
  --scrollbar-thumb: var(--scrollbar-thumb-light);

  /* Fallback for browsers without light-dark() support */
  @media (prefers-color-scheme: dark) {
    --bg-canvas: var(--bg-canvas-dark);
    --bg-surface: var(--bg-surface-dark);
    --bg-elevated: var(--bg-elevated-dark);
    --bg-glass: var(--bg-glass-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    --border-subtle: var(--border-subtle-dark);
    --border-strong: var(--border-strong-dark);
    --brand-primary: var(--brand-primary-dark);
    --brand-accent: var(--brand-accent-dark);
    --brand-emerald: var(--brand-emerald-dark);
    --card-shadow: var(--card-shadow-dark);
    --card-shadow-hover: var(--card-shadow-hover-dark);
    --scrollbar-track: var(--scrollbar-track-dark);
    --scrollbar-thumb: var(--scrollbar-thumb-dark);
  }

  /* Native light-dark() automatic color resolution */
  @supports (color: light-dark(white, black)) {
    --bg-canvas: light-dark(var(--bg-canvas-light), var(--bg-canvas-dark));
    --bg-surface: light-dark(var(--bg-surface-light), var(--bg-surface-dark));
    --bg-elevated: light-dark(var(--bg-elevated-light), var(--bg-elevated-dark));
    --bg-glass: light-dark(var(--bg-glass-light), var(--bg-glass-dark));
    --text-primary: light-dark(var(--text-primary-light), var(--text-primary-dark));
    --text-secondary: light-dark(var(--text-secondary-light), var(--text-secondary-dark));
    --text-muted: light-dark(var(--text-muted-light), var(--text-muted-dark));
    --border-subtle: light-dark(var(--border-subtle-light), var(--border-subtle-dark));
    --border-strong: light-dark(var(--border-strong-light), var(--border-strong-dark));
    --brand-primary: light-dark(var(--brand-primary-light), var(--brand-primary-dark));
    --brand-accent: light-dark(var(--brand-accent-light), var(--brand-accent-dark));
    --brand-emerald: light-dark(var(--brand-emerald-light), var(--brand-emerald-dark));
    --card-shadow: light-dark(var(--card-shadow-light), var(--card-shadow-dark));
    --card-shadow-hover: light-dark(var(--card-shadow-hover-light), var(--card-shadow-hover-dark));
    --scrollbar-track: light-dark(var(--scrollbar-track-light), var(--scrollbar-track-dark));
    --scrollbar-thumb: light-dark(var(--scrollbar-thumb-light), var(--scrollbar-thumb-dark));
  }

  /* MANDATORY: Apply page-wide color-scheme to :root and sync with <meta name="color-scheme"> */
  color-scheme: light dark;
  accent-color: var(--brand-primary);
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);

  &:has(> head > meta[name="color-scheme"][content="dark"]) {
    color-scheme: dark;
  }
  &:has(> head > meta[name="color-scheme"][content="light"]) {
    color-scheme: light;
  }

  /* Layout & Typography Tokens */
  --max-container: 1240px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
}

/* Legacy WebKit scrollbar fallback */
@supports not (scrollbar-color: auto) {
  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }
  ::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 5px;
  }
  ::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-block-size: 100dvh;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  overflow-x: clip;
  position: relative;
}

/* Subtle architectural grid & ambient glow background */
.ambient-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    radial-gradient(circle at 15% 12%, rgba(37, 99, 235, 0.12), transparent 38%),
    radial-gradient(circle at 85% 18%, rgba(6, 182, 212, 0.10), transparent 36%),
    radial-gradient(circle at 50% 85%, rgba(16, 185, 129, 0.08), transparent 42%);
}

img,
svg {
  display: block;
  max-inline-size: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  inset-block-start: -100px;
  inset-inline-start: 1rem;
  background: var(--brand-primary);
  color: #ffffff;
  padding-block: 0.6rem;
  padding-inline: 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 999;
  transition: inset-block-start 0.2s ease;
}

.skip-link:focus {
  inset-block-start: 1rem;
}

.container {
  inline-size: min(100% - 2.5rem, var(--max-container));
  margin-inline: auto;
}

/* ==========================================================================
   Sticky Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 50;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-block-end: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: safe center;
  justify-content: space-between;
  gap: 1rem;
  min-block-size: 4.5rem;
  padding-block: 0.5rem;
}

.brand-link {
  display: flex;
  align-items: safe center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  flex-shrink: 0;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent), var(--brand-emerald));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.3rem;
  font-weight: 800;
}

.brand-legal {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: safe center;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.nav-link {
  padding-block: 0.45rem;
  padding-inline: 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.18s ease, background-color 0.18s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--brand-primary);
  background-color: var(--bg-elevated);
}

.header-actions {
  display: flex;
  align-items: safe center;
  gap: 0.5rem;
}

.icon-btn,
.lang-btn {
  display: inline-flex;
  align-items: safe center;
  justify-content: center;
  gap: 0.4rem;
  padding-block: 0.45rem;
  padding-inline: 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.15s ease;
}

.icon-btn:hover,
.lang-btn:hover {
  border-color: var(--brand-primary);
  color: var(--text-primary);
  background: var(--bg-elevated);
}

/* Theme toggle icon visibility controlled via CSS color-scheme state */
.theme-icon-dark {
  display: none;
}
.theme-icon-light {
  display: inline-block;
}

@media (prefers-color-scheme: dark) {
  :root:not(:has(> head > meta[name="color-scheme"][content="light"])) .theme-icon-light {
    display: none;
  }
  :root:not(:has(> head > meta[name="color-scheme"][content="light"])) .theme-icon-dark {
    display: inline-block;
  }
}

:root:has(> head > meta[name="color-scheme"][content="dark"]) .theme-icon-light {
  display: none;
}
:root:has(> head > meta[name="color-scheme"][content="dark"]) .theme-icon-dark {
  display: inline-block;
}

.visually-hidden {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  padding: 0;
  margin: -1px;
  overflow: clip;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-block-start: clamp(3.5rem, 7vw, 6rem);
  padding-block-end: clamp(2.5rem, 5vw, 4.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.25fr 0.95fr;
    gap: 3.5rem;
  }
}

.eyebrow-badge {
  display: inline-flex;
  align-items: safe center;
  gap: 0.5rem;
  padding-block: 0.38rem;
  padding-inline: 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-block-end: 1.25rem;
  box-shadow: var(--card-shadow);
}

.pulse-dot {
  inline-size: 0.55rem;
  block-size: 0.55rem;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--brand-emerald);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.65rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-block-end: 1.25rem;
  text-wrap: balance;
}

.gradient-text {
  background: linear-gradient(135deg, #2563eb 0%, #06b6d4 55%, #10b981 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.02rem, 1.4vw, 1.18rem);
  color: var(--text-secondary);
  max-inline-size: 62ch;
  margin-block-end: 2rem;
  text-wrap: pretty;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-block-end: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: safe center;
  justify-content: center;
  gap: 0.55rem;
  padding-block: 0.8rem;
  padding-inline: 1.45rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.16s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #0891b2);
  color: #ffffff;
  box-shadow: 0 10px 24px -6px rgba(37, 99, 235, 0.45);
}

.btn-primary:hover {
  box-shadow: 0 14px 28px -6px rgba(37, 99, 235, 0.65);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--brand-primary);
  background: var(--bg-elevated);
}

/* Quick Access Launcher Strip in Hero */
.quick-launcher {
  padding: 1rem 1.2rem;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--card-shadow);
}

.quick-launcher-label {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-block-end: 0.65rem;
}

.quick-launcher-pills {
  display: flex;
  flex-wrap: wrap;
  flex-wrap: balance;
  gap: 0.5rem;
}

.quick-pill {
  display: inline-flex;
  align-items: safe center;
  gap: 0.4rem;
  padding-block: 0.36rem;
  padding-inline: 0.78rem;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: border-color 0.16s ease, transform 0.16s ease, color 0.16s ease;
}

.quick-pill:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  transform: translateY(-1px);
}

.quick-pill-dot {
  inline-size: 0.45rem;
  block-size: 0.45rem;
  flex-shrink: 0;
  border-radius: 50%;
}

/* Hero Visual Architecture Card */
.hero-visual-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.65rem;
  box-shadow: var(--card-shadow);
  position: relative;
}

.ecosystem-radar-header {
  display: flex;
  align-items: safe center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block-end: 1rem;
  margin-block-end: 1.2rem;
  border-block-end: 1px solid var(--border-subtle);
}

.radar-title-group {
  display: flex;
  align-items: safe center;
  gap: 0.65rem;
  min-inline-size: 0;
}

.radar-status {
  display: inline-flex;
  align-items: safe center;
  gap: 0.45rem;
  flex-shrink: 0;
  white-space: nowrap;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--brand-emerald);
  background: rgba(16, 185, 129, 0.12);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
}

.stats-bento {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-block-end: 1.2rem;
}

.stat-tile {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--brand-primary);
  line-height: 1.15;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-block-start: 0.25rem;
}

.architecture-layers {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.arch-layer {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-sm);
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  font-size: 0.84rem;
}

.arch-layer-name {
  font-weight: 700;
  color: var(--text-primary);
}

.arch-layer-tech {
  color: var(--text-muted);
  font-size: 0.79rem;
}

/* ==========================================================================
   Ecosystem Product Hub Section (CSS Grid + Subgrid)
   ========================================================================== */
.section-block {
  padding-block: clamp(3rem, 6vw, 5rem);
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-block-end: 2.25rem;
}

.section-eyebrow {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.section-desc {
  color: var(--text-secondary);
  max-inline-size: 68ch;
  font-size: 1.02rem;
}

/* Filter & Search Toolbar */
.hub-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 1rem;
  margin-block-end: 2rem;
  padding: 0.9rem 1.1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  flex-wrap: balance;
  gap: 0.45rem;
}

.filter-pill {
  padding-block: 0.45rem;
  padding-inline: 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-canvas);
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
}

.filter-pill:hover {
  border-color: var(--brand-primary);
  color: var(--text-primary);
}

.filter-pill[aria-pressed="true"] {
  background: linear-gradient(135deg, #2563eb, #0891b2);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px -2px rgba(37, 99, 235, 0.35);
}

.search-box {
  position: relative;
  flex: 1 1 240px;
  max-inline-size: 340px;
}

.search-input {
  inline-size: 100%;
  padding-block: 0.52rem;
  padding-inline-start: 2.3rem;
  padding-inline-end: 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.search-input:focus {
  outline: 2px solid var(--brand-primary);
  outline-offset: 1px;
}

.search-icon {
  position: absolute;
  inset-inline-start: 0.8rem;
  inset-block-start: 50%;
  transform: translateY(-50%);
  inline-size: 1rem;
  block-size: 1rem;
  color: var(--text-muted);
  pointer-events: none;
}

/* Product Cards Grid using CSS Subgrid for perfect sibling row alignment */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 1.5rem;
}

.product-card {
  grid-row: span 4;
  display: grid;
  /* Same-cascade fallback before subgrid */
  grid-template-rows: auto auto 1fr auto;
  grid-template-rows: subgrid;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: clip;
}

.product-card::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  block-size: 4px;
  background: var(--card-accent, var(--brand-primary));
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-strong);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.product-icon-wrap {
  inline-size: 3.1rem;
  block-size: 3.1rem;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--card-accent, var(--brand-primary));
  flex-shrink: 0;
}

.product-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
}

.badge {
  display: inline-flex;
  align-items: safe center;
  gap: 0.35rem;
  padding: 0.24rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge-live {
  background: rgba(16, 185, 129, 0.14);
  color: var(--brand-emerald);
}

.badge-category {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.card-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: safe center;
  gap: 0.5rem;
}

.product-domain {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--brand-primary);
  word-break: break-all;
}

.card-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}

.product-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.58;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  flex-wrap: balance;
  gap: 0.4rem;
  list-style: none;
}

.feature-tag {
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.22rem 0.6rem;
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

.card-actions {
  display: flex;
  align-items: safe center;
  justify-content: space-between;
  gap: 0.65rem;
  padding-block-start: 0.9rem;
  border-block-start: 1px solid var(--border-subtle);
}

.btn-visit {
  flex: 1;
  display: inline-flex;
  align-items: safe center;
  justify-content: center;
  gap: 0.45rem;
  padding-block: 0.62rem;
  padding-inline: 1rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #2563eb, #0891b2);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 6px 16px -4px rgba(37, 99, 235, 0.4);
  transition: opacity 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.btn-visit:hover {
  opacity: 0.96;
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -4px rgba(37, 99, 235, 0.55);
}

.btn-details {
  padding-block: 0.6rem;
  padding-inline: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-canvas);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.16s ease, color 0.16s ease;
}

.btn-details:hover {
  border-color: var(--brand-primary);
  color: var(--text-primary);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--bg-surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
}

/* ==========================================================================
   About Company & Core Pillars Section
   ========================================================================== */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  box-shadow: var(--card-shadow);
}

.pillar-number {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--brand-primary);
  background: var(--bg-elevated);
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  margin-block-end: 0.85rem;
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  margin-block-end: 0.55rem;
}

.pillar-text {
  font-size: 0.93rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Corporate Profile & Contact Banner
   ========================================================================== */
.corporate-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  box-shadow: var(--card-shadow);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 860px) {
  .corporate-banner {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
}

.corp-info-list {
  display: grid;
  gap: 0.85rem;
  margin-block-start: 1.25rem;
  list-style: none;
}

.corp-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.corp-info-label {
  font-weight: 700;
  color: var(--text-primary);
  min-inline-size: 130px;
}

.corp-quick-links {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.directory-table {
  inline-size: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.directory-table th,
.directory-table td {
  text-align: start;
  padding-block: 0.55rem;
  padding-inline: 0.5rem;
  border-block-end: 1px solid var(--border-subtle);
}

.directory-table th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.directory-link {
  color: var(--brand-primary);
  font-weight: 600;
}

.directory-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Native <dialog> Modal (Compliant with modern-web-guidance `dialog`)
   ========================================================================== */
dialog {
  margin: auto;
  inline-size: min(92vw, 620px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 0;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.5);
}

dialog[open] {
  display: block;
}

/* MANDATORY scroll containment rules from modern-web-guidance `dialog` */
dialog:modal {
  overscroll-behavior: contain;
}

dialog::backdrop {
  background: rgba(7, 11, 20, 0.65);
  backdrop-filter: blur(6px);
  overflow: hidden;
  overscroll-behavior: contain;
}

.dialog-inner {
  padding: 1.75rem;
}

.dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding-block-end: 1rem;
  margin-block-end: 1.1rem;
  border-block-end: 1px solid var(--border-subtle);
}

.dialog-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
}

.dialog-close-btn {
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  cursor: pointer;
  font-weight: 600;
}

.dialog-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-block: 1.1rem;
}

.dialog-meta-box {
  background: var(--bg-elevated);
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.dialog-meta-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
}

.dialog-meta-val {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-block-start: 0.2rem;
}

.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-block-start: 1.5rem;
  padding-block-start: 1rem;
  border-block-start: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-block-start: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding-block: 2.5rem;
  margin-block-start: 3rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: safe center;
  justify-content: space-between;
  gap: 1.25rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a:hover {
  color: var(--brand-primary);
}

/* Reduced Motion Compliance for View Transitions */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}

@media (max-width: 720px) {
  .main-nav {
    display: none;
  }
  .card-actions {
    flex-direction: column;
    align-items: stretch;
  }
}