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

:root {
  --bg-deep: #06081A;
  --bg-surface: #0E1129;
  --bg-card: #141836;
  --bg-card-hover: #1A1F45;
  --accent: #C7392F;
  --accent-glow: #E8453A;
  --accent-soft: rgba(199, 57, 47, 0.12);
  --gold: #C9A96E;
  --gold-soft: rgba(201, 169, 110, 0.1);
  --text-primary: #E4E8F7;
  --text-secondary: #8B93B8;
  --text-muted: #5A6188;
  --border: rgba(139, 147, 184, 0.1);
  --border-accent: rgba(199, 57, 47, 0.25);
  --serif: 'Cormorant Garamond', 'Georgia', serif;
  --sans: 'Outfit', system-ui, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--sans);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* === GRAIN OVERLAY === */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }

/* === SELECTION === */
::selection { background: var(--accent); color: #fff; }

a { color: var(--accent-glow); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold); }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(6, 8, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.site-header.scrolled { background: rgba(6, 8, 26, 0.95); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: var(--text-primary);
}
.logo-img {
  height: 50px;
  width: auto;
  flex-shrink: 0;
  filter: invert(1) brightness(1);
}
.logo-text {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.1;
}
.logo-text small {
  display: block;
  font-family: var(--sans);
  font-size: 0.55rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 2px;
}

/* === NAV === */
.main-nav { display: flex; align-items: center; gap: 0; }
.main-nav a {
  padding: 0.5rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1rem;
  right: 1rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.main-nav a:hover, .main-nav a.active { color: var(--text-primary); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }

/* Mobile menu */
.mobile-close {
  display: none;
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}
.menu-toggle svg { width: 24px; height: 24px; }

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(199, 57, 47, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 10s ease-in-out infinite reverse;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.7; }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: 2rem;
}
.hero-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(201, 169, 110, 0.3);
  padding: 0.5rem 1.5rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  animation: fadeInUp 0.8s ease both;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero h1 span { color: var(--text-primary); }
.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(199, 57, 47, 0.3);
}
.btn-primary:hover {
  background: var(--accent-glow);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(199, 57, 47, 0.4);
}
.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

/* === SECTION STYLES === */
.section {
  padding: 6rem 0;
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--accent-glow);
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.section-divider {
  width: 60px;
  height: 2px;
  background: var(--accent);
  margin: 1.5rem auto 0;
}

/* === FEATURED BOOK === */
.featured-book {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}
.featured-cover {
  position: relative;
  display: flex;
  justify-content: center;
}
.featured-cover img {
  width: 200px; max-width: 200px;
  border-radius: 4px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
  transition: transform 0.6s ease;
}
.featured-cover:hover img { transform: scale(1.03) rotate(-1deg); }
.featured-cover::after {
  content: '';
  position: absolute;
  inset: 10%;
  background: radial-gradient(circle, rgba(199, 57, 47, 0.15), transparent);
  filter: blur(40px);
  z-index: -1;
}
.featured-info .section-label { text-align: left; }
.featured-info h2 {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.featured-info .subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.featured-info .author {
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}
.featured-info p { color: var(--text-secondary); margin-bottom: 1rem; }
.edition-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.edition-link {
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.edition-link:hover {
  border-color: var(--accent);
  color: var(--accent-glow);
  background: var(--accent-soft);
}

/* === BOOK GRID === */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 180px);
  justify-content: center;
  gap: 2rem;
}
.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  
}
.book-card .book-cover {
  width: 100%;
  height: 240px;
  overflow: hidden;
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}
.book-card .book-cover a {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}
.featured-cover a {
  display: flex;
  justify-content: center;
}
.book-card .book-cover img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.book-card .book-cover img[alt]::after,
.portfolio-item .portfolio-cover img[alt]::after {
  display: block;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.85rem;
  font-style: italic;
  content: attr(alt);
}
.book-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.book-card-body { padding: 0.75rem; flex: 1; display: flex; flex-direction: column; }
.book-card h3 {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  line-height: 1.25;
}
.book-card .book-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}
.book-card .book-author {
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--gold);
  margin-bottom: 1rem;
}
.book-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.book-meta span {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}
.book-meta span::after { content: '·'; margin-left: 0.5rem; color: var(--text-muted); }
.book-meta span:last-child::after { display: none; }
.book-price {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-glow);
  padding: 0.2rem 0.7rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.8rem;
}
.book-status {
  display: inline-block;
  background: var(--gold-soft);
  color: var(--gold);
  padding: 0.2rem 0.7rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.book-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }
.book-actions .btn { padding: 0.55rem 1.2rem; font-size: 0.72rem; }

/* === AUTHORS SECTION === */
.authors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 180px);
  justify-content: center;
  gap: 2rem;
}
.author-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  transition: all var(--transition);
}
.author-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}
.author-card h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.author-card .author-title {
  font-size: 0.85rem;
  color: var(--gold);
  margin-bottom: 1rem;
  font-style: italic;
}
.author-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === SERVICES / BOOK DESIGN === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  transition: all var(--transition);
}
.service-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.service-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-soft);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.5rem;
}
.service-card h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.service-card p { font-size: 0.88rem; color: var(--text-secondary); }

/* === DESIGN PORTFOLIO === */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 150px);
  justify-content: center;
  gap: 1.5rem;
}
.portfolio-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: all var(--transition);
}
.portfolio-item .portfolio-cover {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}
.portfolio-item .portfolio-cover img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.portfolio-item .portfolio-body {
  padding: 0.5rem 0.6rem;
}
.portfolio-item:hover { border-color: var(--gold); }
.portfolio-item h4 {
  font-family: var(--serif);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.portfolio-item .portfolio-author { font-size: 0.7rem; color: var(--text-secondary); margin-bottom: 0; }
.portfolio-item .testimonial {
  font-size: 0.72rem;
  font-style: italic;
  color: var(--text-muted);
  border-left: 2px solid var(--accent);
  padding-left: 0.6rem;
  margin-top: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
}

/* === ENDORSEMENTS / PRESS === */
.endorsement-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 3rem;
}
.tab-btn {
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn:hover, .tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* === CONTACT SECTION === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.contact-info h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-detail .icon {
  width: 40px;
  height: 40px;
  background: var(--accent-soft);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-glow);
}
.contact-detail h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.contact-detail p { font-size: 0.88rem; color: var(--text-secondary); }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: var(--sans);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* === SUBMISSIONS === */
.submissions-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}
.submission-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.submission-item .num {
  width: 32px;
  height: 32px;
  background: var(--accent-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-glow);
  flex-shrink: 0;
}
.submission-item span { font-size: 0.88rem; }

/* === AWARDS === */
.awards-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
}
.award-badge {
  width: 120px;
  height: 120px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  transition: all var(--transition);
}
.award-badge:hover { border-color: var(--gold); transform: scale(1.05); }

/* === FOOTER === */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.7; }
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.88rem;
  padding: 0.3rem 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--text-primary); }
.social-links { display: flex; gap: 0.75rem; margin-top: 1.25rem; }
.social-link {
  width: 38px;
  height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
  font-size: 0.85rem;
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--accent-glow);
  background: var(--accent-soft);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.78rem;
}

/* === BACK TO TOP === */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 100;
  box-shadow: 0 4px 20px rgba(199,57,47,0.3);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-glow); transform: translateY(-2px); }

/* === SCROLL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    border-left: 1px solid var(--border);
    transition: right var(--transition);
    z-index: 10001;
    gap: 0;
  }
  .main-nav.open { right: 0; }
  .main-nav a { padding: 1rem 0; font-size: 0.9rem; display: block; width: 100%; pointer-events: auto; -webkit-tap-highlight-color: rgba(199,57,47,0.3); }
  .main-nav a::after { left: 0; right: auto; width: 20px; }
  .mobile-close {
    display: block;
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
  }
  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 10000;
  }
  .mobile-overlay.active { display: block; }

  .hero h1 { font-size: clamp(2.2rem, 8vw, 4rem); }
  .featured-grid { grid-template-columns: 1fr; text-align: center; }
  .featured-info .section-label { text-align: center; }
  .featured-cover img { width: 200px; }
  .edition-links { justify-content: center; }
  .books-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }
}

/* === MOBILE SIDEBAR === */
.mobile-sidebar {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background: #0E1129;
  z-index: 10001;
  padding: 4rem 2rem;
  transition: right 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
}
.mobile-sidebar.open { right: 0; }
.mobile-sidebar a {
  color: #8b93b8;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 0;
  display: block;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-sidebar a:active { color: #fff; }
.mobile-sidebar-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: #E4E8F7;
  font-size: 1.5rem;
  cursor: pointer;
}
.mobile-overlay-bg {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 10000;
}
.mobile-overlay-bg.active { display: block; }

@media (min-width: 769px) {
  .mobile-sidebar, .mobile-overlay-bg, .menu-toggle { display: none !important; }
}