/* ==========================================================================
   ATLAS ACADEMY - Master Design System & Core Stylesheet (Production Polish)
   Aesthetic: Serious, high-end editorial learning institution
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette - Deep Editorial Slate & Warm Ivory */
  --bg-body: #0a0d14;
  --bg-surface: #101522;
  --bg-surface-elevated: #161d2f;
  --bg-surface-active: #1e273e;
  --bg-surface-subtle: #0d121c;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-strong: rgba(255, 255, 255, 0.26);
  --border-focus: #3b82f6;

  /* Typography Colors (WCAG AAA Compliant) */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0a0d14;

  /* Brand Accents */
  --accent-primary: #3b82f6;
  --accent-primary-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.18);
  
  --accent-gold: #e2b357;
  --accent-gold-hover: #cf9f42;
  --accent-gold-subtle: rgba(226, 179, 87, 0.12);
  --accent-success: #10b981;
  --accent-success-subtle: rgba(16, 185, 129, 0.12);
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;

  /* Typography Stacks */
  --font-serif: 'Cinzel', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Dimensions & Spacing */
  --header-height: 72px;
  --sidebar-width: 320px;
  --max-content-width: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Elevation Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 24px rgba(59, 130, 246, 0.22);
  --shadow-gold: 0 0 24px rgba(226, 179, 87, 0.25);

  /* Transitions */
  --transition-fast: 140ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 240ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 380ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Mode for Crisp Document / Daytime study */
body.light-theme {
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-active: #e2e8f0;
  --bg-surface-subtle: #f4f6f9;

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.15);
  --border-strong: rgba(0, 0, 0, 0.25);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: transparent;
  outline: none;
}

button {
  cursor: pointer;
  user-select: none;
}

/* Accessible Focus States */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* --- Layout Containers --- */
.container {
  width: 100%;
  max-width: var(--max-content-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-fluid {
  width: 100%;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-tight {
  padding: 44px 0;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .grid-cols-4, .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; }
  .container { padding: 0 16px; }
  .container-narrow { padding: 0 16px; }
  .container-fluid { padding: 0 16px; }
}

/* --- Typography --- */
.font-serif { font-family: var(--font-serif); }
.font-mono { font-family: var(--font-mono); }

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -0.02em; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent-primary);
  border-radius: 50%;
}

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-gold { color: var(--accent-gold); }

/* --- Navigation Header --- */
.site-header {
  height: var(--header-height);
  background-color: rgba(10, 13, 20, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-primary);
}

.brand-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: 0 0 14px rgba(226, 179, 87, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.search-pill-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.search-pill-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.search-pill-btn kbd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 6px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--text-muted);
}

.user-menu-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 10px 4px 4px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.user-menu-btn:hover {
  border-color: var(--border-medium);
  background-color: var(--bg-surface-elevated);
}

.user-avatar-sm {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-medium);
}

.user-menu-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Mobile Hamburger Toggle */
.mobile-menu-toggle {
  display: none;
  padding: 8px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.mobile-menu-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

/* Mobile Navigation Drawer */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.8);
  backdrop-filter: blur(12px);
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  background-color: var(--bg-surface);
  border-left: 1px solid var(--border-medium);
  z-index: 501;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.mobile-drawer-overlay.open .mobile-drawer {
  transform: translateX(0);
}

.mobile-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.mobile-drawer-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
  padding: 8px 0;
}

.mobile-drawer-link.active, .mobile-drawer-link:hover {
  color: var(--accent-primary);
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .mobile-menu-toggle { display: block; }
  .search-pill-btn span { display: none; }
  .search-pill-btn kbd { display: none; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
  border: 1px solid transparent;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.825rem;
  border-radius: var(--radius-sm);
}

.btn-md {
  padding: 10px 18px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  border-color: transparent;
}

.btn-primary:hover {
  background-color: #ffffff;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--accent-primary);
  color: #ffffff;
}

.btn-accent:hover {
  background-color: var(--accent-primary-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-strong);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.btn-gold {
  background: linear-gradient(135deg, #d4a037, #b8860b);
  color: #0d121c;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-gold:hover {
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
}

/* --- Badges & Chips --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
}

.badge-outline {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-medium);
  color: var(--text-secondary);
}

.badge-accent {
  background-color: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #60a5fa;
}

.badge-gold {
  background-color: var(--accent-gold-subtle);
  border: 1px solid rgba(226, 179, 87, 0.3);
  color: var(--accent-gold);
}

.badge-success {
  background-color: var(--accent-success-subtle);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-success);
}

/* --- Cards (Editorial Precision) --- */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.card-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--bg-surface-subtle);
  overflow: hidden;
}

.card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image-wrap img {
  transform: scale(1.03);
}

.card-badge-overlay {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
}

.card-bookmark-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(10, 13, 20, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.card-bookmark-btn:hover {
  background-color: rgba(10, 13, 20, 0.95);
  color: var(--text-primary);
  transform: scale(1.08);
}

.card-bookmark-btn.active {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.4;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-instructor {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-instructor img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

.card-instructor-info {
  display: flex;
  flex-direction: column;
}

.card-instructor-name {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-instructor-role {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.card-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* --- Progress Bar --- */
.progress-bar-wrap {
  width: 100%;
  height: 6px;
  background-color: var(--bg-surface-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #60a5fa);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.progress-bar-fill.success {
  background: linear-gradient(90deg, #10b981, #34d399);
}

/* --- Interactive Quiz Styles --- */
.quiz-container {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.quiz-question-box {
  margin-bottom: 32px;
}

.quiz-question-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option-btn {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: left;
  transition: all var(--transition-fast);
  color: var(--text-primary);
  font-size: 0.95rem;
  line-height: 1.5;
  cursor: pointer;
}

.quiz-option-btn:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-medium);
}

.quiz-option-btn.selected {
  background-color: var(--bg-surface-active);
  border-color: var(--accent-primary);
}

.quiz-option-btn.correct {
  background-color: var(--accent-success-subtle);
  border-color: var(--accent-success);
  color: #d1fae5;
}

.quiz-option-btn.incorrect {
  background-color: rgba(239, 68, 68, 0.12);
  border-color: var(--accent-danger);
  color: #fee2e2;
}

.quiz-option-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

.quiz-explanation {
  margin-top: 16px;
  padding: 16px;
  background-color: var(--bg-surface-subtle);
  border-left: 3px solid var(--accent-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Modals & Overlays --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(4, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.modal-close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  min-width: 320px;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.toast-content {
  flex-grow: 1;
}

.toast-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.toast-msg {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* --- Site Footer --- */
.site-footer {
  margin-top: auto;
  background-color: var(--bg-surface-subtle);
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 16px;
  max-width: 340px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

/* Utilities */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.w-full { width: 100%; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }

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