/* ==========================================================================
   TIS POS Academy V2 — Premium Commercial Design System
   Modern B2B SaaS Aesthetic • Arabic-first RTL & English LTR
   100% Self-Contained • Zero External Dependencies • Zero Root Overflow
   ========================================================================== */

/* 1. Self-Contained Cairo Typography */
@font-face {
  font-family: 'Cairo';
  src: url('../fonts/Cairo-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cairo';
  src: url('../fonts/Cairo-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Cairo';
  src: url('../fonts/Cairo-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* 2. Color Tokens & Theme System */
:root {
  /* Brand Palette */
  --brand-navy-950: #060b19;
  --brand-navy-900: #0b132b;
  --brand-navy-800: #1c2541;
  --brand-navy-700: #2d3a60;
  --brand-blue-500: #0284c7;
  --brand-blue-400: #38bdf8;
  --brand-blue-600: #0369a1;
  --brand-cyan-500: #06b6d4;
  --brand-amber-500: #f59e0b;
  --brand-emerald-500: #10b981;
  --brand-rose-500: #f43f5e;

  /* Light Theme (Default) */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.92);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;
  --text-inverse: #ffffff;

  --border-subtle: #e2e8f0;
  --border-main: #cbd5e1;
  --border-focus: #0284c7;

  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-subtle: #e0f2fe;
  --primary-text: #0369a1;

  --accent: #f59e0b;
  --accent-subtle: #fef3c7;
  --accent-text: #92400e;

  --success: #10b981;
  --success-subtle: #d1fae5;
  --success-text: #065f46;

  /* Radii & Shadows */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.16);

  --font-family: 'Cairo', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --bg-body: #070d19;
  --bg-surface: #0e172a;
  --bg-surface-elevated: #152238;
  --bg-subtle: #131f37;
  --bg-card: #0f1c33;
  --bg-glass: rgba(14, 23, 42, 0.92);

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-subtle: #94a3b8;
  --text-inverse: #070d19;

  --border-subtle: #1e2e4a;
  --border-main: #2a3e63;
  --border-focus: #38bdf8;

  --primary: #38bdf8;
  --primary-hover: #0284c7;
  --primary-subtle: rgba(56, 189, 248, 0.15);
  --primary-text: #38bdf8;

  --accent: #fbbf24;
  --accent-subtle: rgba(251, 191, 36, 0.15);
  --accent-text: #fbbf24;

  --success: #34d399;
  --success-subtle: rgba(52, 211, 153, 0.15);
  --success-text: #34d399;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.2);
}

/* 3. Base & Reset — STRICT: NO OVERFLOW-X HIDDEN ON BODY */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-body);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  /* Note: overflow-x is NOT hidden; layout is engineered not to overflow */
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html, body, *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

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

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

/* 4. Global Typography & Responsive Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

@media (max-width: 768px) {
  .container {
    padding-inline: 16px;
  }
}

@media (max-width: 360px) {
  .container {
    padding-inline: 12px;
  }
}

.section {
  padding-block: 72px;
}

@media (max-width: 768px) {
  .section {
    padding-block: 48px;
  }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .section-header {
    margin-bottom: 32px;
  }
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: var(--primary-subtle);
  color: var(--primary-text);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 14px;
  border: 1px solid rgba(2, 132, 199, 0.15);
}

.section-title {
  font-size: 2.15rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
  word-break: break-word;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.65rem;
  }
}

@media (max-width: 360px) {
  .section-title {
    font-size: 1.45rem;
  }
}

.section-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .section-description {
    font-size: 0.95rem;
  }
}

/* 5. Header & Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.navbar .nav-container {
  max-width: 1360px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 12px;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-main);
  flex-shrink: 0;
  min-width: 0;
}

.brand-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.brand-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--primary-subtle);
  color: var(--primary-text);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

@media (max-width: 1200px) {
  .brand-badge {
    display: none;
  }
}

@media (max-width: 600px) {
  .brand {
    font-size: 1.05rem;
    gap: 8px;
  }
  .brand-logo-img {
    height: 30px;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  flex-shrink: 1;
}

@media (max-width: 1040px) {
  .nav-menu {
    display: none;
  }
}

.nav-link {
  padding: 6px 10px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-text);
  background-color: var(--primary-subtle);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background: var(--bg-subtle);
  border-color: var(--border-main);
}

.btn-lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-lang:hover {
  background: var(--bg-subtle);
  border-color: var(--primary);
  color: var(--primary);
}

@media (max-width: 400px) {
  .btn-lang {
    padding: 6px 8px;
    font-size: 0.78rem;
  }
  .btn-icon {
    width: 34px;
    height: 34px;
  }
  .nav-actions {
    gap: 6px;
  }
}

@media (max-width: 360px) {
  .nav-container {
    padding-inline: 8px;
  }
  .nav-actions {
    gap: 4px;
  }
  .btn-lang {
    padding: 4px 6px;
    font-size: 0.72rem;
  }
  .btn-icon {
    width: 30px;
    height: 30px;
  }
  .brand {
    font-size: 0.95rem;
    gap: 6px;
  }
  .brand-logo-img {
    height: 24px;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 4px rgba(2, 132, 199, 0.2);
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .nav-actions .btn-primary,
  .nav-actions .btn-secondary {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .btn-primary,
  .btn-secondary {
    white-space: normal;
    text-align: center;
    max-width: 100%;
  }
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid var(--border-main);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-secondary:hover {
  background: var(--bg-subtle);
  border-color: var(--text-muted);
}

.mobile-toggle {
  display: none;
}

@media (max-width: 1040px) {
  .mobile-toggle {
    display: inline-flex;
  }
}

/* Mobile Drawer (Guaranteed Zero Overflow when Closed) */
.mobile-drawer {
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--bg-surface);
  z-index: 200;
  padding: 24px 20px;
  box-shadow: var(--shadow-xl);
  display: none;
  flex-direction: column;
  gap: 20px;
}

.mobile-drawer.open {
  display: flex;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 190;
  display: none;
}

.mobile-overlay.open {
  display: block;
}

.mobile-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mobile-menu-list a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--text-main);
}

.mobile-menu-list a:hover {
  background: var(--primary-subtle);
  color: var(--primary);
}

/* 6. Hero Section */
.hero-section {
  position: relative;
  padding-block: 48px 64px;
}

@media (max-width: 768px) {
  .hero-section {
    padding-block: 32px 48px;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 40px;
  min-width: 0;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

@media (max-width: 992px) {
  .hero-copy {
    align-items: center;
  }
}

.hero-headline {
  font-size: 2.85rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-main);
  word-break: break-word;
}

@media (max-width: 768px) {
  .hero-headline {
    font-size: 1.85rem;
  }
}

@media (max-width: 360px) {
  .hero-headline {
    font-size: 1.6rem;
  }
}

.hero-lead {
  font-size: 1.1rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 560px;
}

@media (max-width: 768px) {
  .hero-lead {
    font-size: 0.98rem;
  }
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

@media (max-width: 600px) {
  .hero-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}

.hero-notice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-subtle);
  background: var(--bg-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  margin-top: 2px;
  max-width: 100%;
}

/* Hero Terminal Frame Preview */
.hero-preview {
  position: relative;
  min-width: 0;
  max-width: 100%;
}

.terminal-frame {
  position: relative;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 100%;
}

.terminal-chrome {
  height: 34px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding-inline: 12px;
  gap: 6px;
  min-width: 0;
}

.chrome-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #cbd5e1;
}

.chrome-dot.red { background: #f87171; }
.chrome-dot.yellow { background: #fbbf24; }
.chrome-dot.green { background: #34d399; }

.chrome-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-subtle);
  margin-inline-start: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-media {
  position: relative;
  background: #000;
  width: 100%;
}

.terminal-media img {
  width: 100%;
  height: auto;
  display: block;
}

.terminal-caption {
  padding: 8px 12px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-subtle);
  flex-wrap: wrap;
}

/* Floating Badges — only shown on wide desktop to prevent mobile clipping */
.float-badge {
  display: none;
  position: absolute;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  box-shadow: var(--shadow-lg);
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  z-index: 2;
}

@media (min-width: 1040px) {
  .float-badge {
    display: flex;
  }
  .float-badge.top-end {
    top: -14px;
    inset-inline-end: -14px;
  }
  .float-badge.bottom-start {
    bottom: -14px;
    inset-inline-start: -14px;
  }
}

.float-badge-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--primary-subtle);
  color: var(--primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

/* 7. Product Overview Pillar Cards */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 20px;
  min-width: 0;
}

@media (max-width: 600px) {
  .pillar-grid {
    grid-template-columns: 1fr;
  }
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.pillar-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.pillar-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
}

.pillar-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* 8. Core Capabilities Grid */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 16px;
  min-width: 0;
}

@media (max-width: 600px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}

.capability-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.capability-card:hover {
  border-color: var(--border-main);
  box-shadow: var(--shadow-md);
}

.capability-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.capability-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.capability-badge.available {
  background: var(--success-subtle);
  color: var(--success-text);
}

.capability-badge.conditional {
  background: var(--accent-subtle);
  color: var(--accent-text);
}

.capability-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.capability-claim {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 9. Feature Highlight Split Showcase */
.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  margin-bottom: 56px;
  min-width: 0;
}

.showcase-row:last-child {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .showcase-row, .showcase-row.reversed {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
  }
}

.showcase-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.showcase-tag {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.showcase-title {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

@media (max-width: 768px) {
  .showcase-title {
    font-size: 1.4rem;
  }
}

.showcase-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.showcase-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.showcase-bullet {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-main);
}

.bullet-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--success-subtle);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.72rem;
  margin-top: 3px;
}

/* Screenshot Zoom Card */
.screenshot-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
  max-width: 100%;
}

.screenshot-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.screenshot-zoom-trigger {
  position: relative;
  cursor: zoom-in;
  overflow: hidden;
  display: block;
}

.screenshot-zoom-trigger img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-normal);
}

.zoom-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 19, 43, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.screenshot-zoom-trigger:hover .zoom-overlay {
  opacity: 1;
}

.zoom-icon-pill {
  background: rgba(255, 255, 255, 0.95);
  color: #0f172a;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-md);
}

.screenshot-info {
  padding: 10px 14px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

/* 10. Hardware & Offline Specifications */
.specs-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  min-width: 0;
}

@media (max-width: 850px) {
  .specs-split {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.spec-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

@media (max-width: 480px) {
  .spec-box {
    padding: 18px 14px;
  }
}

.spec-box-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.spec-box-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.spec-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.spec-bullet {
  color: var(--primary);
  font-weight: bold;
}

.spec-callout {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
  color: var(--text-subtle);
  line-height: 1.6;
}

/* 11. Learning Academy Preview Banner */
.academy-banner {
  background: linear-gradient(135deg, var(--brand-navy-900) 0%, var(--brand-navy-800) 100%);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  color: #ffffff;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
  gap: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  min-width: 0;
}

@media (max-width: 900px) {
  .academy-banner {
    grid-template-columns: 1fr;
    padding: 24px 16px;
    text-align: center;
    gap: 24px;
  }
}

.academy-banner-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 2;
  min-width: 0;
}

.academy-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  font-size: 0.82rem;
  font-weight: 700;
  width: fit-content;
}

@media (max-width: 900px) {
  .academy-tag {
    margin-inline: auto;
  }
}

.academy-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.25;
}

@media (max-width: 768px) {
  .academy-title {
    font-size: 1.55rem;
  }
}

.academy-text {
  font-size: 1rem;
  color: #cbd5e1;
  line-height: 1.7;
  max-width: 560px;
}

.academy-preview-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 20px;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: start;
  min-width: 0;
}

.preview-card-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: #38bdf8;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.preview-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
}

.preview-card-desc {
  font-size: 0.9rem;
  color: #94a3b8;
  line-height: 1.6;
}

.preview-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: #cbd5e1;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 10px;
  flex-wrap: wrap;
}

/* 12. Footer */
.footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding-block: 48px 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
  min-width: 0;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.footer-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--text-subtle);
}

/* 13. Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(6, 11, 25, 0.94);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.lightbox-modal.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-dialog {
  position: relative;
  max-width: 1000px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.lightbox-img-wrap {
  position: relative;
  overflow: auto;
  max-height: 75vh;
  background: #000;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-wrap img {
  max-width: 100%;
  height: auto;
  transform-origin: center center;
  transition: transform var(--transition-fast);
}

.lightbox-caption-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #cbd5e1;
  font-size: 0.85rem;
  background: rgba(15, 23, 42, 0.9);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
}

.lightbox-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lightbox-btn {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: none;
  padding: 5px 10px;
  border-radius: var(--radius-xs);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lightbox-btn:hover {
  background: var(--primary);
}

.lightbox-close-btn {
  position: absolute;
  top: -38px;
  inset-inline-end: 0;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.6rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

/* 18. Interactive Academy Search Component */
.academy-search-wrap {
  position: relative;
  width: 100%;
  max-width: 680px;
  margin-inline: auto;
  margin-block: 20px;
}

.academy-search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 6px 16px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.academy-search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-subtle);
}

.academy-search-icon {
  font-size: 1.25rem;
  color: var(--text-subtle);
  margin-inline-end: 12px;
}

.academy-search-input {
  width: 100%;
  border: none;
  background: transparent;
  font-size: 1.05rem;
  color: var(--text-main);
  padding: 8px 0;
  outline: none;
  font-family: inherit;
}

.academy-search-input::placeholder {
  color: var(--text-subtle);
}

.search-results-container {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  margin-top: 10px;
  padding: 16px;
  max-height: 480px;
  overflow-y: auto;
  animation: fadeIn 0.2s ease-in-out;
}

.search-results-count {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.search-results-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.search-result-item {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.search-result-item:hover {
  border-color: var(--primary);
  background: var(--primary-subtle);
  transform: translateY(-1px);
}

.search-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.search-result-title {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-main);
}

.search-result-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-subtle);
}

.search-result-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.search-empty-state {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  color: var(--text-muted);
}