/* ==========================================================================
   THE ALEXANDRIAN - LUXURY LIBRARY & ECOMMERCE DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;900&family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Color Palette - Archival Luxury & Warm Dark Academia */
  --bg-primary: #120f0e;
  --bg-secondary: #1a1614;
  --bg-tertiary: #251f1c;
  --bg-card: #201a17;
  --bg-card-hover: #2c2420;
  
  --parchment: #FDFBF7;
  --parchment-dim: #F4EBD9;
  --parchment-dark: #E6D7BD;
  --parchment-aged: #D8C3A5;

  --gold-foil: #D4AF37;
  --gold-glow: #F3E5AB;
  --gold-dark: #997A15;
  --brass: #C5A059;
  --brass-light: #E5C378;

  --leather-burgundy: #682029;
  --leather-forest: #1c3629;
  --leather-navy: #192738;
  --leather-brown: #4A2E1B;
  
  --text-main: #EDE6D8;
  --text-muted: #A89F91;
  --text-dark: #2B2118;
  --text-dim: #756D63;

  --border-subtle: rgba(197, 160, 89, 0.2);
  --border-gold: rgba(212, 175, 55, 0.45);
  --border-strong: rgba(197, 160, 89, 0.6);

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
  --shadow-gold: 0 0 25px rgba(212, 175, 55, 0.25);

  --font-display: 'Cinzel', serif;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.65;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(212, 175, 55, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(104, 32, 41, 0.04) 0%, transparent 45%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.02'/%3E%3C/svg%3E");
  background-attachment: fixed;
}

/* Typography Helpers */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  color: var(--parchment);
  font-weight: 600;
}

h5, h6, .font-serif, blockquote {
  font-family: var(--font-serif);
}

.text-gold {
  color: var(--gold-foil);
  text-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
}

.gold-gradient-text {
  background: linear-gradient(135deg, #FFE89C 0%, #D4AF37 50%, #AA7C11 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.font-italic-serif {
  font-family: var(--font-serif);
  font-style: italic;
}

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

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

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

/* Container & Grid */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   TOP BAR & NAVIGATION
   ========================================================================== */
.announcement-bar {
  background: linear-gradient(90deg, #161210 0%, #2b1c13 50%, #161210 100%);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.825rem;
  padding: 0.5rem 0;
  text-align: center;
  color: var(--parchment-dim);
  letter-spacing: 0.05em;
}

.announcement-bar span {
  color: var(--gold-foil);
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 15, 14, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-gold);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: 2rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
}

.brand-monogram {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(145deg, #2a201b, #15110f);
  border: 1.5px solid var(--gold-foil);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-foil);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm), inset 0 0 8px rgba(212, 175, 55, 0.3);
  position: relative;
}

.brand-monogram::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  border: 1px dashed rgba(212, 175, 55, 0.4);
}

.brand-text h1 {
  font-size: 1.25rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0;
  line-height: 1.1;
  background: linear-gradient(135deg, #FFF 0%, #E8DFD0 50%, #D4AF37 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text span {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--brass);
  font-family: var(--font-sans);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--parchment-dim);
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1.5px;
  background: var(--gold-foil);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

.nav-link:hover, .nav-link.active {
  color: var(--gold-foil);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.action-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--parchment);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  border-color: var(--gold-foil);
  color: var(--gold-foil);
  background: rgba(212, 175, 55, 0.08);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.badge-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--leather-burgundy);
  border: 1px solid var(--gold-foil);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sound-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(32, 26, 23, 0.8);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--brass-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sound-toggle-btn.playing {
  border-color: var(--gold-foil);
  color: var(--gold-foil);
  background: rgba(212, 175, 55, 0.15);
}

.sound-toggle-btn.playing .sound-wave span {
  animation: soundPulse 1.2s infinite ease-in-out alternate;
}

.sound-wave {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.sound-wave span {
  width: 2px;
  height: 4px;
  background: currentColor;
  border-radius: 1px;
}

.sound-wave span:nth-child(2) { height: 8px; animation-delay: 0.2s; }
.sound-wave span:nth-child(3) { height: 12px; animation-delay: 0.4s; }

@keyframes soundPulse {
  0% { height: 3px; }
  100% { height: 12px; }
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--parchment);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.8rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #D4AF37 0%, #B89228 100%);
  color: #120F0E;
  border: 1px solid #FFE89C;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #E6C45E 0%, #D4AF37 100%);
  box-shadow: 0 6px 25px rgba(212, 175, 55, 0.5);
  transform: translateY(-2px);
  color: #0c0a09;
}

.btn-secondary {
  background: rgba(37, 31, 28, 0.7);
  color: var(--parchment);
  border: 1px solid var(--border-gold);
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--gold-foil);
  color: var(--gold-foil);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--parchment-dim);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  border-color: var(--gold-foil);
  color: var(--gold-foil);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 0.95rem;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.badge-gold {
  background: rgba(212, 175, 55, 0.15);
  color: var(--gold-foil);
  border: 1px solid rgba(212, 175, 55, 0.35);
}

.badge-rare {
  background: rgba(104, 32, 41, 0.25);
  color: #FFAAA6;
  border: 1px solid rgba(255, 170, 166, 0.3);
}

.badge-lending {
  background: rgba(28, 54, 41, 0.4);
  color: #7BE495;
  border: 1px solid rgba(123, 228, 149, 0.3);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  padding: 4rem 0;
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 70% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(104, 32, 41, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 620px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gold-foil);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-kicker::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold-foil);
}

.hero-title {
  font-size: 3.25rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero-desc {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.6;
  color: var(--parchment-dim);
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
}

.stat-item h3 {
  font-size: 1.75rem;
  color: var(--gold-foil);
  margin-bottom: 0.25rem;
  font-weight: 700;
}

.stat-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Hero 3D Stage Container */
.hero-3d-stage {
  position: relative;
  width: 100%;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.three-canvas-container {
  width: 100%;
  height: 100%;
  position: relative;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at center, rgba(42, 33, 28, 0.6) 0%, rgba(18, 15, 14, 0.8) 75%);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg), inset 0 0 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}

.stage-overlay-controls {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(18, 15, 14, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-gold);
  z-index: 10;
}

.stage-btn {
  background: none;
  border: none;
  color: var(--parchment-dim);
  cursor: pointer;
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.stage-btn:hover, .stage-btn.active {
  color: var(--gold-foil);
  background: rgba(212, 175, 55, 0.15);
}

/* ==========================================================================
   SECTION HEADERS
   ========================================================================== */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem auto;
}

.section-kicker {
  display: inline-block;
  color: var(--gold-foil);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.35rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.section-subtitle {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--parchment-dim);
}

.ornament-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 1.25rem auto 0 auto;
  color: var(--brass);
  font-size: 0.85rem;
}

.ornament-divider::before,
.ornament-divider::after {
  content: '';
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
}

/* ==========================================================================
   CARDS & GRIDS
   ========================================================================== */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2.25rem;
}

.book-card-standard {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.book-card-standard:hover {
  transform: translateY(-6px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-md), var(--shadow-gold);
}

.book-card-thumb {
  position: relative;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  perspective: 1000px;
}

.book-card-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.book-genre {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brass);
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.book-card-title {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.book-card-title a:hover {
  color: var(--gold-foil);
}

.book-card-author {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.book-card-rating {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--gold-foil);
  font-size: 0.75rem;
  margin-bottom: 1rem;
}

.book-card-rating span {
  color: var(--text-dim);
  margin-left: 0.35rem;
}

.book-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.book-price-block {
  display: flex;
  flex-direction: column;
}

.price-buy {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--parchment);
  font-family: var(--font-display);
}

.price-borrow {
  font-size: 0.75rem;
  color: var(--brass-light);
}

.book-actions-group {
  display: flex;
  gap: 0.5rem;
}

/* ==========================================================================
   FEATURE STRIPS & BANNERS
   ========================================================================== */
.feature-box-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.feature-box {
  background: linear-gradient(180deg, rgba(37, 31, 28, 0.6) 0%, rgba(26, 22, 20, 0.8) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-box:hover {
  border-color: var(--border-gold);
  transform: translateY(-4px);
  background: linear-gradient(180deg, rgba(45, 37, 33, 0.8) 0%, rgba(26, 22, 20, 0.9) 100%);
}

.feature-icon-wrap {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem auto;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-foil);
  font-size: 1.5rem;
}

.feature-box h4 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.feature-box p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Banner / Membership Section */
.membership-banner {
  background: linear-gradient(135deg, #1c1410 0%, #2b1a1c 50%, #151e18 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.membership-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #0d0a09;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin: 1.25rem 0 1.5rem 0;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--parchment);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 1.5px;
  background: var(--gold-foil);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--gold-foil);
  transform: translateX(4px);
  display: inline-block;
}

.footer-newsletter p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  background: rgba(32, 26, 23, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--parchment);
  font-size: 0.875rem;
  flex-grow: 1;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--gold-foil);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.25);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
}

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

.social-btn {
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: color var(--transition-fast);
}

.social-btn:hover {
  color: var(--gold-foil);
}

/* ==========================================================================
   RESPONSIVE UTILITIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    margin: 0 auto;
  }
  .hero-kicker {
    justify-content: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-3d-stage {
    height: 420px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    height: 70px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-gold);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.25rem;
  }
  .nav-links.open {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.35rem;
  }
  .section {
    padding: 3.5rem 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}