/* ========================================
   BOOKVERSE STORE — PREMIUM PACKAGE
   ======================================== */

:root {
  --ink: #2C3E50;
  --glass: rgba(253, 251, 247, 0.65);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glow-red: rgba(192, 57, 43, 0.15);
  --glow-gold: rgba(212, 175, 55, 0.2);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(192, 57, 43, 0.12);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --parchment: #FDFBF7;
  --spine-red: #C0392B;
  --gold-leaf: #D4AF37;
  --slate: #5D6D7E;
  --shadow: #ECF0F1;
  --white: #FFFFFF;
  --black: #1a1a1a;
  --font-display: 'Lora', Georgia, serif;
  --font-body: 'Source Sans Pro', -apple-system, sans-serif;
  --font-ui: 'Inter', -apple-system, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
  --container: 1200px;
}

/* Dark Mode */
[data-theme="dark"] {
  --ink: #E8E8E8;
  --parchment: #1a1a2e;
  --shadow: #2d2d44;
  --slate: #a0a0b0;
  --white: #242438;
  --black: #f0f0f0;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--parchment);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s, color 0.3s;
}

/* Premium Selection */
::selection {
  background: rgba(192, 57, 43, 0.2);
  color: var(--ink);
}

/* Premium Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--parchment); }
::-webkit-scrollbar-thumb { background: var(--slate); border-radius: 100px; border: 2px solid var(--parchment); }
::-webkit-scrollbar-thumb:hover { background: var(--spine-red); }

/* Smooth image rendering */
img { image-rendering: -webkit-optimize-contrast; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 120px 0; }

.section-label { display: inline-block; font-family: var(--font-ui); font-size: 0.8rem; font-weight: 600; color: var(--spine-red); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
.section-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--spine-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.section-header { text-align: center; max-width: 640px; margin: 0 auto 64px; }
.section-header p { color: var(--slate); font-size: 1.1rem; }
.section-footer { text-align: center; margin-top: 48px; }

.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius); font-family: var(--font-ui);
  font-weight: 600; font-size: 0.9rem; transition: all 0.35s var(--ease-out-expo); cursor: pointer; border: 2px solid transparent;
  position: relative; overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out-expo);
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn:active {
  transform: scale(0.97);
}
.btn-primary {
  background: linear-gradient(135deg, var(--spine-red) 0%, #a93226 100%);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(192, 57, 43, 0.25), inset 0 1px 0 rgba(255,255,255,0.15);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(192, 57, 43, 0.35), 0 0 0 4px var(--glow-red);
}
.btn-secondary {
  background-color: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background-color: rgba(255,255,255,0.95);
  color: var(--ink);
  border-color: rgba(255,255,255,0.8);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.btn-outline {
  background-color: transparent;
  color: var(--ink);
  border-color: var(--shadow);
  position: relative;
}
.btn-outline:hover {
  border-color: var(--spine-red);
  color: var(--spine-red);
  box-shadow: 0 0 0 4px var(--glow-red);
  background: rgba(192, 57, 43, 0.03);
}
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-full { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--spine-red);
  transition: all 0.35s var(--ease-out-expo);
  position: relative;
}
.link-arrow::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; width: 0; height: 1.5px;
  background: var(--spine-red);
  transition: width 0.35s var(--ease-out-expo);
}
.link-arrow:hover {
  gap: 12px;
  transform: translateX(2px);
}
.link-arrow:hover::after {
  width: 100%;
}

/* Top Bar */
.top-bar { background-color: var(--ink); color: var(--white); font-size: 0.8rem; padding: 8px 0; font-family: var(--font-ui); }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-links { display: flex; gap: 20px; }
.top-bar-links a { opacity: 0.7; transition: opacity var(--transition); }
.top-bar-links a:hover { opacity: 1; }

/* Navbar */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: linear-gradient(180deg, var(--glass) 0%, rgba(253,251,247,0.8) 100%);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.03);
  transition: all var(--transition);
}
[data-theme="dark"] .navbar { background-color: rgba(26, 26, 46, 0.95); border-bottom-color: var(--shadow); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 1.8rem; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main { font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; color: var(--ink); }
.logo-sub { font-family: var(--font-ui); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--slate); }

.nav-search { position: relative; flex: 1; max-width: 480px; }
.nav-search input {
  width: 100%; padding: 12px 44px 12px 20px;
  border: 1.5px solid var(--shadow);
  border-radius: 100px;
  background: linear-gradient(180deg, var(--white) 0%, var(--parchment) 100%);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--ink);
  transition: all 0.35s var(--ease-out-expo);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}
.nav-search input:focus {
  outline: none;
  border-color: var(--spine-red);
  box-shadow: 0 0 0 4px var(--glow-red), 0 4px 16px rgba(192,57,43,0.1);
  background: var(--white);
}
.search-btn { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); width: 36px; height: 36px; border-radius: 50%; background: none; font-size: 1.1rem; opacity: 0.5; }
.search-dropdown {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background-color: var(--white); border-radius: var(--radius); box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  max-height: 320px; overflow-y: auto; display: none; z-index: 100;
  border: 1px solid var(--shadow);
}
.search-dropdown.active { display: block; }
.search-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; transition: background-color var(--transition); cursor: pointer; }
.search-item:hover { background-color: var(--parchment); }
.search-item img { width: 40px; height: 56px; object-fit: cover; border-radius: 4px; }
.search-item-info h4 { font-family: var(--font-ui); font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.search-item-info span { font-size: 0.8rem; color: var(--slate); }

.nav-actions { display: flex; align-items: center; gap: 16px; }
.theme-toggle {
  font-size: 1.3rem;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.3s var(--ease-out-expo);
  position: relative;
}
.theme-toggle:hover {
  background-color: var(--shadow);
  transform: rotate(20deg) scale(1.1);
}
.nav-action { position: relative; font-size: 1.4rem; padding: 8px; }
.action-badge {
  position: absolute; top: 2px; right: 2px; width: 18px; height: 18px;
  background-color: var(--spine-red); color: var(--white); border-radius: 50%;
  font-family: var(--font-ui); font-size: 0.65rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

.nav-categories { border-top: 1px solid var(--shadow); }
.cat-menu { display: flex; align-items: center; gap: 32px; height: 48px; overflow-x: auto; }
.cat-menu a {
  font-family: var(--font-ui); font-size: 0.85rem; font-weight: 500;
  color: var(--slate); white-space: nowrap; transition: color var(--transition);
  position: relative; padding: 4px 0;
}
.cat-menu a:hover, .cat-menu a.active { color: var(--ink); }
.cat-menu a.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px;
  background-color: var(--spine-red);
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background-color: var(--ink); transition: all var(--transition); }

/* Hero Slider */
.hero-slider { position: relative; height: 80vh; min-height: 600px; overflow: hidden; color: var(--white); }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s ease; }
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(44,62,80,0.85), rgba(44,62,80,0.4)); }
.hero-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; max-width: 600px; padding-top: 40px; }
.hero-tag { display: inline-block; width: fit-content; padding: 8px 16px; background-color: var(--spine-red); color: var(--white); font-family: var(--font-ui); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; border-radius: 4px; margin-bottom: 20px; }
.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255,255,255,0.85) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
}
.hero-subtitle { font-size: 1.15rem; margin-bottom: 36px; opacity: 0.95; line-height: 1.7; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-dots { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; gap: 12px; }
.dot { width: 12px; height: 12px; border-radius: 50%; background-color: rgba(255,255,255,0.4); border: none; cursor: pointer; transition: all var(--transition); }
.dot.active { background-color: var(--white); transform: scale(1.2); }

/* Quick Categories */
.quick-cats { padding: 32px 0; background-color: var(--white); border-bottom: 1px solid var(--shadow); }
.quick-cats-scroll { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; }
.quick-cat {
  display: flex; align-items: center; gap: 8px; padding: 12px 24px;
  background: linear-gradient(145deg, var(--parchment), var(--white));
  border-radius: 100px;
  font-family: var(--font-ui); font-weight: 600; font-size: 0.9rem;
  color: var(--ink); white-space: nowrap; transition: all 0.3s var(--ease-out-expo);
  border: 1px solid var(--shadow);
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.quick-cat:hover {
  background: linear-gradient(135deg, var(--spine-red), #a93226);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(192,57,43,0.25);
  transform: translateY(-2px);
}

/* Book Cards */
.book-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.book-card {
  background-color: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: transform 0.5s var(--ease-out-expo), box-shadow 0.5s var(--ease-out-expo);
  position: relative;
  border: 1px solid transparent;
}
.book-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 1px);
  background: linear-gradient(135deg, var(--gold-leaf), var(--spine-red));
  opacity: 0;
  z-index: -1;
  transition: opacity 0.4s ease;
  filter: blur(8px);
}
.book-card:hover {
  transform: translateY(-8px) rotateX(2deg);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(192,57,43,0.08);
  border-color: rgba(192,57,43,0.1);
}
.book-card:hover::before {
  opacity: 0.4;
}
.book-cover {
  position: relative;
  height: 280px;
  overflow: hidden;
  background-color: var(--shadow);
}
.book-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out-expo);
}
.book-card:hover .book-cover img {
  transform: scale(1.08);
}
.book-card:hover .book-cover::after {
  opacity: 1;
}
.book-badge {
  position: absolute; top: 12px; left: 12px; padding: 6px 12px;
  font-family: var(--font-ui); font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  border-radius: 4px; z-index: 2;
}
.book-badge.new { background-color: var(--spine-red); color: var(--white); }
.book-badge.promo { background-color: var(--gold-leaf); color: var(--white); }
.book-stock {
  position: absolute; bottom: 12px; left: 12px; padding: 4px 10px;
  background-color: rgba(255,255,255,0.95); border-radius: 4px;
  font-family: var(--font-ui); font-size: 0.7rem; font-weight: 600; color: #27ae60;
}
.book-quick {
  position: absolute; bottom: 12px; right: 12px; padding: 10px 16px;
  background-color: var(--white); color: var(--ink);
  border-radius: var(--radius-sm); font-family: var(--font-ui); font-weight: 600; font-size: 0.8rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1); opacity: 0; transform: translateY(8px);
  transition: all var(--transition); cursor: pointer; border: none;
}
.book-card:hover .book-quick { opacity: 1; transform: translateY(0); }
.book-quick:hover { background-color: var(--spine-red); color: var(--white); }
.book-info { padding: 20px; }
.book-author { font-size: 0.85rem; color: var(--slate); margin-bottom: 4px; }
.book-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; line-height: 1.3; }
.book-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.stars { color: var(--gold-leaf); font-size: 0.9rem; letter-spacing: 1px; }
.rating-count { font-size: 0.8rem; color: var(--slate); }
.book-price-row { display: flex; align-items: center; gap: 10px; }
.book-price { font-family: var(--font-ui); font-weight: 700; font-size: 1.1rem; color: var(--spine-red); }
.book-price-old { font-size: 0.9rem; color: var(--slate); text-decoration: line-through; }

/* Carousel */
.book-carousel { position: relative; }
.carousel-track { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding-bottom: 16px; scrollbar-width: none; }
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track .book-card { flex: 0 0 calc(25% - 18px); scroll-snap-align: start; }
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px;
  background: linear-gradient(145deg, var(--white), var(--parchment));
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1), 0 0 0 1px rgba(255,255,255,0.5) inset;
  font-size: 1.5rem; display: flex; align-items: center; justify-content: center;
  z-index: 2; cursor: pointer; transition: all 0.3s var(--ease-out-expo); color: var(--ink);
  border: 1px solid var(--shadow);
}
.carousel-btn:hover {
  background: linear-gradient(135deg, var(--spine-red), #a93226);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(192,57,43,0.3);
  transform: translateY(-50%) scale(1.1);
}
.carousel-btn:active {
  transform: translateY(-50%) scale(0.95);
}
.carousel-btn.prev { left: -24px; }
.carousel-btn.next { right: -24px; }

/* Collections */
.collections { background-color: var(--parchment); }
.collection-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: repeat(2, 280px); gap: 20px; }
.collection-card { position: relative; border-radius: var(--radius); overflow: hidden; display: block; }
.collection-card.large { grid-row: span 2; }
.collection-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.collection-card:hover img { transform: scale(1.05); }
.collection-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 32px; color: var(--white);
  transition: background 0.5s ease;
}
.collection-card:hover .collection-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
}
.collection-overlay h3 { font-family: var(--font-display); font-size: 1.6rem; margin-bottom: 6px; }
.collection-overlay p { font-size: 0.95rem; opacity: 0.9; margin-bottom: 12px; }
.collection-overlay .link-arrow { color: var(--white); }

/* Staff Picks */
.staff-picks { background-color: var(--white); }
.staff-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.staff-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--parchment) 0%, var(--white) 100%);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: all 0.4s var(--ease-out-expo);
  border: 1px solid transparent;
}
.staff-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,0.1);
  border-color: rgba(212, 175, 55, 0.15);
}
.staff-book { height: 300px; overflow: hidden; }
.staff-book img { width: 100%; height: 100%; object-fit: cover;}
.staff-info { padding: 24px; text-align: center; flex: 1; display: flex; flex-direction: column; align-items: center; }
.staff-avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; margin: -28px auto 12px; border: 3px solid var(--white); box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.staff-info blockquote { font-style: italic; font-size: 0.95rem; color: var(--slate); margin-bottom: 16px; line-height: 1.7; }
.staff-info cite { display: block; margin-bottom: 16px; }
.staff-info cite strong { display: block; font-family: var(--font-ui); font-weight: 700; color: var(--ink); }
.staff-info cite span { font-size: 0.85rem; color: var(--slate); }

/* Promo Banner */
.promo-banner {
  background: linear-gradient(135deg, #8e44ad, #c0392b);
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.promo-banner::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.12), transparent 60%);
  pointer-events: none;
  animation: pulseGlow 6s ease-in-out infinite;
}
.promo-banner::after {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
  animation: shineSweep 5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; }
}
@keyframes shineSweep {
  0% { left: -100%; }
  50%, 100% { left: 200%; }
}
.promo-content { position: relative; z-index: 1; max-width: 600px; }
.promo-tag { display: inline-block; padding: 8px 16px; background-color: rgba(255,255,255,0.2); border-radius: 100px; font-family: var(--font-ui); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.promo-banner h2 { font-family: var(--font-display); font-size: 2.8rem; margin-bottom: 12px; }
.promo-banner p { font-size: 1.1rem; opacity: 0.95; margin-bottom: 28px; line-height: 1.7; }
.countdown { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.count-item { text-align: center; }
.count-item span { display: block; font-family: var(--font-display); font-size: 3rem; font-weight: 700; line-height: 1; }
.count-item label { font-family: var(--font-ui); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.8; }
.count-sep { font-family: var(--font-display); font-size: 2rem; opacity: 0.6; }

/* Testimonials */
.testimonials { background-color: var(--parchment); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card {
  background: linear-gradient(145deg, var(--white) 0%, var(--parchment) 100%);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
  border: 1px solid rgba(255,255,255,0.6);
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}
.testi-card::before {
  content: '"';
  position: absolute;
  top: 8px;
  right: 20px;
  font-family: var(--font-display);
  font-size: 6rem;
  color: var(--gold-leaf);
  opacity: 0.08;
  line-height: 1;
  pointer-events: none;
}
.testi-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
  border-color: rgba(212, 175, 55, 0.2);
}
.testi-card.verified {
  border-top: 3px solid var(--gold-leaf);
  box-shadow: 0 4px 20px rgba(0,0,0,0.04), inset 0 2px 0 var(--gold-leaf);
}
.testi-stars { color: var(--gold-leaf); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 16px; }
.testi-card > p { font-size: 1rem; color: var(--ink); line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-author img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.testi-author strong { display: block; font-family: var(--font-ui); font-weight: 700; font-size: 0.9rem; color: var(--ink); }
.testi-author span { font-size: 0.8rem; color: var(--slate); }

/* Blog */
.blog-preview { background-color: var(--white); }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-grid-large { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: repeat(2, 280px); gap: 24px; }
.blog-card {
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--parchment);
  transition: all 0.5s var(--ease-out-expo);
  border: 1px solid transparent;
}
.blog-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 48px rgba(0,0,0,0.1);
  border-color: rgba(192, 57, 43, 0.08);
}
.blog-card a { display: block; height: 100%; }
.blog-card img { width: 100%; height: 180px; object-fit: cover; }
.blog-card.featured { grid-row: span 2; }
.blog-card.featured img { height: 60%; }
.blog-card.featured .blog-info { height: 40%; }
.blog-info { padding: 20px; }
.blog-tag { display: inline-block; padding: 4px 10px; background-color: var(--shadow); border-radius: 4px; font-family: var(--font-ui); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; color: var(--slate); margin-bottom: 8px; }
.blog-info h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; line-height: 1.4; }
.blog-info p { font-size: 0.9rem; color: var(--slate); line-height: 1.6; margin-bottom: 8px; }
.blog-meta { font-size: 0.8rem; color: var(--slate); }

/* Newsletter */
.newsletter { background-color: var(--ink); color: var(--white); padding: 80px 0; }
.newsletter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; max-width: 900px; margin: 0 auto; }
.newsletter-content h2 { font-family: var(--font-display); font-size: 2.2rem; margin-bottom: 12px; }
.newsletter-content p { opacity: 0.85; line-height: 1.7; }
.newsletter-form { display: flex; gap: 12px; }
.newsletter-form input {
  flex: 1; padding: 14px 20px; border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  font-family: var(--font-ui); font-size: 0.95rem;
  color: var(--white);
  backdrop-filter: blur(8px);
  transition: all 0.3s var(--ease-out-expo);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter-form input:focus {
  outline: none;
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.12);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.1), 0 4px 20px rgba(0,0,0,0.1);
}
.newsletter-form .btn { white-space: nowrap; }
.newsletter-note { text-align: center; margin-top: 20px; font-size: 0.8rem; opacity: 0.6; }

/* Footer */
.footer { background-color: #1a252f; color: #bdc3c7; padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr 1.5fr; gap: 40px; margin-bottom: 64px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-main { color: var(--white); }
.footer-brand p { opacity: 0.8; max-width: 260px; line-height: 1.7; font-size: 0.95rem; }
.footer-links h4, .footer-contact h4, .footer-payment h4 { font-family: var(--font-ui); color: var(--white); font-size: 0.9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 20px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  opacity: 0.7;
  transition: all 0.3s var(--ease-out-expo);
  font-size: 0.9rem;
  position: relative;
  display: inline-block;
}
.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; width: 0; height: 1px;
  background: var(--gold-leaf);
  transition: width 0.3s var(--ease-out-expo);
}
.footer-links a:hover {
  opacity: 1;
  color: var(--gold-leaf);
  transform: translateX(4px);
}
.footer-links a:hover::after {
  width: 100%;
}
.footer-contact p { margin-bottom: 8px; font-size: 0.9rem; opacity: 0.8; }
.payment-icons { display: flex; flex-wrap: wrap; gap: 8px; }
.payment-icons span {
  padding: 6px 12px; background-color: rgba(255,255,255,0.08); border-radius: 4px;
  font-family: var(--font-ui); font-size: 0.75rem; font-weight: 600; color: var(--white);
}
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 24px 0; text-align: center; font-size: 0.85rem; opacity: 0.5; }
.footer-bottom a { color: var(--gold-leaf); }

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--ink) 0%, #1a252f 50%, #243442 100%);
  color: var(--white);
  padding: 140px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(212,175,55,0.08), transparent 60%);
  pointer-events: none;
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 8px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
  position: relative;
  z-index: 1;
}
.page-header-sm { padding: 120px 0 40px; }
.page-header-sm h1 { font-size: 2.2rem; }
.breadcrumb { color: var(--slate); font-size: 0.9rem; }
.breadcrumb a { color: var(--gold-leaf); transition: opacity var(--transition); }
.breadcrumb a:hover { opacity: 0.8; }

/* Catalog Page */
.catalog-page { padding-top: 40px; }
.catalog-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.catalog-filters { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-chip {
  padding: 10px 20px; border-radius: 100px; border: 1px solid var(--shadow);
  background: linear-gradient(145deg, var(--white), var(--parchment));
  font-family: var(--font-ui); font-weight: 600;
  font-size: 0.8rem; color: var(--slate); cursor: pointer; transition: all 0.3s var(--ease-out-expo);
  box-shadow: 0 1px 4px rgba(0,0,0,0.02);
}
.filter-chip:hover, .filter-chip.active {
  background: linear-gradient(135deg, var(--spine-red), #a93226);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(192,57,43,0.2);
  transform: translateY(-1px);
}
.catalog-sort { display: flex; align-items: center; gap: 10px; }
.catalog-sort label { font-family: var(--font-ui); font-size: 0.85rem; font-weight: 600; color: var(--slate); }
.catalog-sort select { padding: 10px 16px; border-radius: var(--radius-sm); border: 1px solid var(--shadow); background-color: var(--white); font-family: var(--font-ui); font-size: 0.85rem; color: var(--ink); cursor: pointer; }

/* Skeleton Loading */
.skeleton-card { background-color: var(--white); border-radius: var(--radius); overflow: hidden; }
.skeleton-img {
  height: 280px;
  background: linear-gradient(105deg, var(--shadow) 30%, #f0f0f0 48%, var(--shadow) 65%);
  background-size: 300% 100%;
  animation: shimmer 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  border-radius: var(--radius) var(--radius) 0 0;
}
.skeleton-line {
  height: 16px;
  margin: 16px;
  border-radius: 4px;
  background: linear-gradient(105deg, var(--shadow) 30%, #f0f0f0 48%, var(--shadow) 65%);
  background-size: 300% 100%;
  animation: shimmer 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.skeleton-line.short { width: 60%; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.page-btn {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--shadow);
  background: linear-gradient(145deg, var(--white), var(--parchment));
  font-family: var(--font-ui); font-weight: 600; font-size: 0.9rem;
  color: var(--ink); cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
}
.page-btn:hover, .page-btn.active {
  background: linear-gradient(135deg, var(--spine-red), #a93226);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(192,57,43,0.25);
  transform: translateY(-2px);
}

/* Product Detail Page */
.product-detail-page { padding-top: 40px; }
.detail-book-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; margin-bottom: 80px; }
.detail-gallery { position: relative; }
.detail-main-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15), 0 0 0 1px rgba(255,255,255,0.3) inset;
  background-color: var(--shadow);
  transition: box-shadow 0.4s var(--ease-out-expo);
}
.detail-main-img:hover {
  box-shadow: 0 24px 72px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.4) inset;
}
.detail-main-img img { width: 100%; height: auto; display: block; }
.detail-cat { font-family: var(--font-ui); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--slate); margin-bottom: 8px; }
.detail-info h1 { font-family: var(--font-display); font-size: 2.6rem; font-weight: 700; color: var(--ink); margin-bottom: 12px; line-height: 1.2; }
.detail-author { font-size: 1.1rem; color: var(--slate); margin-bottom: 16px; }
.detail-price-row { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.detail-price { font-family: var(--font-ui); font-size: 2rem; font-weight: 700; color: var(--spine-red); }
.detail-desc { font-size: 1.05rem; color: var(--slate); line-height: 1.8; margin-bottom: 28px; }
.detail-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 28px; }
.meta-item {
  padding: 12px 16px;
  background: linear-gradient(145deg, var(--white), var(--parchment));
  border-radius: var(--radius-sm);
  border: 1px solid var(--shadow);
  transition: all 0.3s var(--ease-out-expo);
}
.meta-item:hover {
  border-color: rgba(192, 57, 43, 0.15);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
  transform: translateY(-1px);
}
.meta-item label { display: block; font-size: 0.75rem; color: var(--slate); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 2px; }
.meta-item span { font-family: var(--font-ui); font-weight: 600; color: var(--ink); font-size: 0.95rem; }
.detail-actions { display: flex; gap: 12px; margin-bottom: 16px; }
.detail-actions .btn { padding: 16px 32px; }
.detail-note { font-size: 0.85rem; color: var(--slate); font-style: italic; }

/* Sticky Cart */
.sticky-cart {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, var(--white) 100%);
  box-shadow: 0 -8px 32px rgba(0,0,0,0.08);
  padding: 16px 0;
  z-index: 999;
  transform: translateY(100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.4s var(--ease-out-expo);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,255,255,0.6);
}
.sticky-cart.visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.sticky-cart-inner { display: flex; align-items: center; gap: 16px; }
.sticky-cart img { width: 48px; height: 64px; object-fit: cover; border-radius: 4px; }
.sticky-info { flex: 1; }
.sticky-info span { display: block; }
.sticky-info span:first-child { font-family: var(--font-ui); font-weight: 600; color: var(--ink); font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 200px; }
.sticky-info span:last-child { font-family: var(--font-ui); font-weight: 700; color: var(--spine-red); }
.sticky-actions { display: flex; gap: 10px; }

/* Reviews */
.reviews-section { margin-bottom: 80px; }
.reviews-section .section-title { margin-bottom: 32px; }
.reviews-list { display: flex; flex-direction: column; gap: 20px; }
.review-item {
  background: linear-gradient(145deg, var(--white), var(--parchment));
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--shadow);
  transition: all 0.3s var(--ease-out-expo);
}
.review-item:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
  border-color: rgba(212, 175, 55, 0.15);
}
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-header img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.review-header strong { display: block; font-family: var(--font-ui); font-size: 0.9rem; }
.review-header span { font-size: 0.8rem; color: var(--slate); }
.review-item p { color: var(--slate); line-height: 1.7; }

/* Cart Page */
.cart-page { padding-top: 40px; }
.cart-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: start; }
.cart-items { display: flex; flex-direction: column; gap: 16px; }
.cart-item { display: flex; gap: 20px; padding: 20px; background-color: var(--white); border-radius: var(--radius); box-shadow: 0 2px 8px rgba(0,0,0,0.04); border: 1px solid var(--shadow); }
.cart-item img { width: 80px; height: 110px; object-fit: cover; border-radius: 4px; }
.cart-item-info { flex: 1; }
.cart-item-info h4 { font-family: var(--font-ui); font-weight: 700; margin-bottom: 4px; }
.cart-item-info span { font-size: 0.85rem; color: var(--slate); }
.cart-item-price { font-family: var(--font-ui); font-weight: 700; color: var(--spine-red); }
.cart-item-actions { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.qty-btn { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--shadow); background-color: var(--white); font-size: 1rem; display: flex; align-items: center; justify-content: center; transition: all var(--transition); }
.qty-btn:hover { background-color: var(--spine-red); color: var(--white); border-color: var(--spine-red); }
.cart-item-actions span { font-family: var(--font-ui); font-weight: 600; min-width: 24px; text-align: center; }
.remove-btn { color: var(--slate); font-size: 0.85rem; margin-left: auto; transition: color var(--transition); background: none; border: none; cursor: pointer; }
.remove-btn:hover { color: var(--spine-red); }
.cart-empty { text-align: center; padding: 60px 0; color: var(--slate); font-size: 1.1rem; }
.cart-empty a { color: var(--spine-red); font-weight: 600; }

.cart-summary {
  background: linear-gradient(145deg, var(--white), var(--parchment));
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  position: sticky;
  top: 100px;
  border: 1px solid rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
}
.cart-summary h3 { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 24px; }
.summary-row { display: flex; justify-content: space-between; margin-bottom: 12px; font-size: 0.95rem; color: var(--slate); }
.summary-row.total { font-family: var(--font-ui); font-weight: 700; font-size: 1.3rem; color: var(--ink); border-top: 1px solid var(--shadow); padding-top: 16px; margin-top: 16px; }
.summary-note { font-size: 0.8rem; color: var(--slate); margin-top: 12px; font-style: italic; }

/* Checkout */
.checkout-page { padding-top: 40px; }
.checkout-steps { display: flex; gap: 0; margin-bottom: 48px; max-width: 600px; }
.step { flex: 1; display: flex; align-items: center; gap: 8px; padding: 16px; font-family: var(--font-ui); font-weight: 600; font-size: 0.9rem; color: var(--slate); border-bottom: 2px solid var(--shadow); transition: all var(--transition); }
.step span { width: 28px; height: 28px; border-radius: 50%; background-color: var(--shadow); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; }
.step.active { color: var(--spine-red); border-bottom-color: var(--spine-red); }
.step.active span { background-color: var(--spine-red); color: var(--white); }
.checkout-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: start; }
.checkout-step-content { display: none; }
.checkout-step-content.active { display: block; animation: fadeIn 0.4s ease; }
.checkout-step-content h3 { font-family: var(--font-display); font-size: 1.6rem; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-family: var(--font-ui); font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--slate); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--shadow); border-radius: var(--radius-sm);
  background-color: var(--white); font-family: var(--font-body); font-size: 0.95rem; color: var(--ink);
  transition: all var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--spine-red);
  box-shadow: 0 0 0 4px var(--glow-red), 0 4px 12px rgba(192,57,43,0.08);
  transform: translateY(-1px);
}
.kurir-options, .payment-options { display: flex; flex-direction: column; gap: 10px; }
.kurir-option, .payment-option {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--shadow);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
  background: linear-gradient(145deg, var(--white), var(--parchment));
}
.kurir-option:hover, .payment-option:hover {
  border-color: var(--spine-red);
  box-shadow: 0 4px 16px rgba(192,57,43,0.08);
  transform: translateX(4px);
}
.kurir-option input, .payment-option input { accent-color: var(--spine-red); }
.checkout-summary {
  background: linear-gradient(145deg, var(--white), var(--parchment));
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  position: sticky;
  top: 100px;
  border: 1px solid rgba(255,255,255,0.6);
}
.checkout-summary h3 { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 20px; }
.summary-divider { height: 1px; background-color: var(--shadow); margin: 16px 0; }
.checkout-item { display: flex; gap: 12px; margin-bottom: 12px; font-size: 0.9rem; }
.checkout-item img { width: 40px; height: 56px; object-fit: cover; border-radius: 4px; }
.checkout-item-info { flex: 1; }
.checkout-item-info span { display: block; color: var(--slate); font-size: 0.8rem; }

/* Contact Page */
.contact-page { padding-top: 40px; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: start; }
.contact-info-block h2 { font-family: var(--font-display); font-size: 2.2rem; margin-bottom: 12px; }
.contact-lead { font-size: 1.1rem; color: var(--slate); margin-bottom: 32px; line-height: 1.7; }
.contact-map { margin-top: 24px; border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.contact-form-wrapper {
  background: linear-gradient(145deg, var(--white), rgba(253,251,247,0.9));
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.06), 0 0 0 1px rgba(255,255,255,0.5) inset;
  border: 1px solid var(--shadow);
  backdrop-filter: blur(12px);
}
.contact-form-wrapper h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 8px; }
.contact-form-wrapper > p { color: var(--slate); margin-bottom: 24px; }

/* FAQ */
.faq-section { background-color: var(--parchment); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: linear-gradient(145deg, var(--white), var(--parchment));
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  border: 1px solid transparent;
  transition: all 0.3s var(--ease-out-expo);
}
.faq-item:hover {
  border-color: rgba(192, 57, 43, 0.08);
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; font-family: var(--font-ui); font-weight: 600; font-size: 1rem; color: var(--ink); text-align: left; transition: background-color var(--transition); }
.faq-question:hover { background-color: rgba(192, 57, 43, 0.03); }
.faq-icon { font-size: 1.3rem; color: var(--spine-red); transition: transform var(--transition); }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { color: var(--slate); line-height: 1.7; font-size: 0.95rem; }

/* Article Page */
.article-page { padding-top: 40px; }
.article-container { max-width: 800px; margin: 0 auto; }
.article-header { margin-bottom: 32px; }
.article-header .blog-tag { margin-bottom: 16px; }
.article-header h1 { font-family: var(--font-display); font-size: 2.8rem; line-height: 1.2; margin-bottom: 20px; }
.article-meta { display: flex; align-items: center; gap: 12px; }
.article-meta img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.article-meta strong { display: block; font-family: var(--font-ui); font-weight: 700; }
.article-meta span { font-size: 0.9rem; color: var(--slate); }
.article-hero-img { width: 100%; height: 400px; object-fit: cover; border-radius: var(--radius); margin-bottom: 40px; }
.article-body p { margin-bottom: 20px; font-size: 1.1rem; line-height: 1.9; color: var(--ink); }
.article-body p.lead {
  font-size: 1.3rem;
  color: var(--slate);
  font-style: italic;
  border-left: 3px solid var(--spine-red);
  padding-left: 20px;
  margin-bottom: 32px;
  background: linear-gradient(90deg, rgba(192,57,43,0.03), transparent);
  padding-top: 12px;
  padding-bottom: 12px;
}
.article-body h2 { font-family: var(--font-display); font-size: 1.8rem; margin: 40px 0 16px; }
.article-share { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--shadow); display: flex; align-items: center; gap: 12px; }
.article-share button {
  padding: 10px 20px;
  background: linear-gradient(145deg, var(--white), var(--parchment));
  border: 1px solid var(--shadow);
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease-out-expo);
}
.article-share button:hover {
  border-color: var(--spine-red);
  color: var(--spine-red);
  box-shadow: 0 4px 16px rgba(192,57,43,0.1);
  transform: translateY(-2px);
}

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(120px);
  background: linear-gradient(135deg, var(--ink), #1a252f);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 12px 32px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.08) inset;
  z-index: 9999;
  transition: all 0.5s var(--ease-spring);
  white-space: nowrap;
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Fly Animation */
.fly-item {
  position: fixed; width: 50px; height: 70px; object-fit: cover; border-radius: 4px;
  z-index: 9999; pointer-events: none; transition: all 0.6s cubic-bezier(0.19, 1, 0.22, 1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  opacity: 0;
}
.fly-item.active {
  opacity: 1;
}

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (max-width: 1024px) {
  .book-grid { grid-template-columns: repeat(3, 1fr); }
  .carousel-track .book-card { flex: 0 0 calc(33.333% - 16px); }
  .collection-grid { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .collection-card.large { grid-row: span 1; }
  .staff-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid-large { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .blog-card.featured { grid-row: span 1; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .detail-book-grid, .cart-grid, .checkout-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .newsletter-grid { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-title { font-size: 2rem; }
  .hero-title { font-size: 2.6rem; }
  .hero-slider { height: auto; min-height: 500px; }
  .nav-search { display: none; }
  .cat-menu { gap: 20px; }
  .book-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .carousel-track .book-card { flex: 0 0 calc(50% - 12px); }
  .carousel-btn.prev { left: 8px; }
  .carousel-btn.next { right: 8px; }
  .collection-grid { grid-template-columns: 1fr; }
  .staff-grid, .testi-grid { grid-template-columns: 1fr; }
  .blog-grid, .blog-grid-large { grid-template-columns: 1fr; }
  .promo-banner h2 { font-size: 2rem; }
  .count-item span { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .checkout-steps { font-size: 0.8rem; }
  .step span { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .sticky-cart-inner { flex-wrap: wrap; }
  .article-header h1 { font-size: 2rem; }
  .article-hero-img { height: 240px; }
  .nav-toggle { display: flex; }
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2rem; }
  .book-grid { grid-template-columns: repeat(2, 1fr); }
  .book-cover { height: 200px; }
  .carousel-track .book-card { flex: 0 0 75%; }
  .newsletter-form { flex-direction: column; }
}

/* ===== CHECKOUT REVISIONS ===== */

.form-group label .required {
  color: var(--spine-red);
  margin-left: 2px;
}

.form-note {
  font-size: 0.85rem;
  color: var(--slate);
  margin-top: 8px;
  font-style: italic;
  padding: 8px 12px;
  background-color: var(--parchment);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold-leaf);
}

[data-theme="dark"] .form-note {
  background-color: var(--shadow);
}

.checkout-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--shadow);
}

.checkout-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.checkout-item img {
  width: 44px;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.checkout-item-info {
  flex: 1;
}

.checkout-item-info strong {
  display: block;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  margin-bottom: 2px;
}

.checkout-item-info span {
  font-size: 0.8rem;
  color: var(--slate);
}

/* Smooth step transition */
.checkout-step-content {
  display: none;
  opacity: 0;
  transform: translateY(8px);
}

.checkout-step-content.active {
  display: block;
  animation: fadeInStep 0.35s ease forwards;
}

@keyframes fadeInStep {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   MOBILE OVERFLOW FIX ONLY
   ======================================== */

body {
  overflow-x: hidden;
}

@media (max-width: 768px) {
  /* Checkout grid fix */
  .checkout-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .checkout-summary {
    position: static;
    width: 100%;
    box-sizing: border-box;
  }
  
  .checkout-item {
    flex-wrap: nowrap;
  }
  
  .checkout-item img {
    flex-shrink: 0;
  }
  
  .checkout-item-info {
    min-width: 0;
    overflow: hidden;
  }
  
  .checkout-item-info strong {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  /* Cart grid fix */
  .cart-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .cart-summary {
    position: static;
    width: 100%;
    box-sizing: border-box;
  }
  
  .cart-item {
    flex-wrap: wrap;
  }
  
  .cart-item-info {
    min-width: 0;
    overflow: hidden;
  }
  
  .cart-item-info h4 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .cart-item-price {
    width: 100%;
    text-align: left;
  }
  
  .cart-item-actions {
    width: 100%;
    justify-content: flex-start;
  }
  
  .remove-btn {
    margin-left: auto;
  }
}

/* ========================================
   MOBILE MENU & BERANDA FIX
   ======================================== */

.nav-categories {
  position: relative;
}

@media (max-width: 768px) {
  .cat-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    height: auto;
    max-height: calc(100vh - 140px);
    padding: 0 24px;
    overflow-y: auto;
    z-index: 998;
    box-shadow: 0 16px 32px rgba(0,0,0,0.12);
    border-top: 1px solid var(--shadow);
  }

  [data-theme="dark"] .cat-menu {
    background-color: var(--parchment);
  }

  .cat-menu.active {
    display: flex;
  }

  .cat-menu li {
    width: 100%;
    border-bottom: 1px solid var(--shadow);
  }

  .cat-menu li:last-child {
    border-bottom: none;
  }

  .cat-menu a {
    display: block;
    padding: 16px 0;
    font-size: 1rem;
    width: 100%;
  }

  .cat-menu a.active {
    color: var(--spine-red);
    font-weight: 700;
  }

  .cat-menu a.active::after {
    display: none;
  }
}

/* ========================================
   VOUCHER POPUP MODAL
   ======================================== */

.voucher-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 46, 0.6);
  backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.voucher-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  animation: fadeIn 0.3s ease forwards;
}

.voucher-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.92);
  background: linear-gradient(145deg, var(--white), var(--parchment));
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  width: 90%;
  max-width: 420px;
  z-index: 9999;
  box-shadow: 0 32px 80px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.5) inset;
  text-align: center;
  opacity: 0;
  transition: all 0.4s var(--ease-spring);
  border: 1px solid rgba(255,255,255,0.6);
  backdrop-filter: blur(20px);
}

.voucher-modal.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.voucher-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--slate);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.voucher-close:hover {
  color: var(--spine-red);
}

.voucher-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.voucher-modal h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--ink);
  margin-bottom: 8px;
}

.voucher-sub {
  color: var(--slate);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.voucher-sub strong {
  color: var(--ink);
}

.voucher-card {
  background: var(--parchment);
  border: 2px dashed var(--gold-leaf);
  border-radius: var(--radius);
  padding: 24px 20px;
  margin-bottom: 20px;
}

.voucher-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--slate);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.voucher-code {
  font-family: 'Courier New', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--spine-red);
  letter-spacing: 3px;
  background: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--shadow);
  display: inline-block;
  margin-bottom: 12px;
  word-break: break-all;
}

.voucher-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--shadow);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--slate);
  cursor: pointer;
  transition: all 0.2s;
}

.voucher-copy:hover {
  border-color: var(--spine-red);
  color: var(--spine-red);
}

.voucher-note {
  font-size: 0.8rem;
  color: var(--slate);
  margin-bottom: 20px;
}

.voucher-wa {
  width: 100%;
  margin-bottom: 16px;
}

.voucher-hint {
  font-size: 0.75rem;
  color: var(--slate);
  opacity: 0.7;
  margin: 0;
}

@media (max-width: 480px) {
  .voucher-modal {
    padding: 32px 24px;
    width: 92%;
  }
  .voucher-code {
    font-size: 1.2rem;
  }
  .voucher-modal h2 {
    font-size: 1.4rem;
  }
}

/* ========================================
   WHY US SECTION
   ======================================== */

.why-us {
  background-color: var(--white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.why-card {
  background-color: var(--parchment);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  border: 1px solid var(--shadow);
  transition: all var(--transition);
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08);
  border-color: transparent;
}

.why-icon {
  font-size: 2.8rem;
  margin-bottom: 20px;
  line-height: 1;
}

.why-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.why-card p {
  font-size: 0.95rem;
  color: var(--slate);
  line-height: 1.7;
  margin: 0;
}

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

@media (max-width: 480px) {
  .why-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .why-card {
    padding: 32px 24px;
  }
}

/* ========================================
   HERO TEXT VISIBILITY FIX
   ======================================== */

.hero-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(44,62,80,0.88), rgba(44,62,80,0.45));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: #ffffff !important;
  text-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

.hero-content .hero-title,
.hero-content .hero-subtitle,
.hero-content .hero-tag {
  color: #ffffff !important;
}

/* Jaga jarak dari navbar */
.hero-slider {
  padding-top: 0;
}

/* Responsive text size fix */
@media (max-width: 768px) {
  .hero-slider {
    min-height: 500px;
    height: auto;
  }
  
  .hero-content {
    padding: 100px 24px 60px;
    justify-content: flex-start;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
}

/* ========================================
   BLOG GRID BALANCE FIX
   ======================================== */

.blog-grid-large {
  align-items: start;
  grid-template-rows: repeat(2, auto);
}

.blog-card {
  height: auto;
}

.blog-card.featured {
  grid-row: span 2;
}

.blog-card.featured img {
  height: 240px;
}

.blog-card.featured .blog-info {
  height: auto;
}

/* Clamp deskripsi agar tidak kepanjangan */
.blog-card.featured .blog-info p {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Mobile: semua card sama tinggi, tidak ada span */
@media (max-width: 768px) {
  .blog-grid-large {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  
  .blog-card.featured {
    grid-row: span 1;
  }
  
  .blog-card img,
  .blog-card.featured img {
    height: 200px;
  }
}

/* ========================================
   PREMIUM GLOBAL ANIMATIONS
   ======================================== */

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes softPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(192, 57, 43, 0.15); }
  50% { box-shadow: 0 0 0 8px rgba(192, 57, 43, 0); }
}

/* Smooth page load */
@keyframes pageLoad {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

body > * {
  animation: pageLoad 0.5s var(--ease-out-expo) both;
}
body > script, body > style {
  animation: none;
}

/* Stagger children */
.book-grid > *:nth-child(1) { animation-delay: 0.05s; }
.book-grid > *:nth-child(2) { animation-delay: 0.1s; }
.book-grid > *:nth-child(3) { animation-delay: 0.15s; }
.book-grid > *:nth-child(4) { animation-delay: 0.2s; }

/* Premium hover for all interactive elements */
a, button, .nav-link, .cat-menu a {
  transition: all 0.3s var(--ease-out-expo);
}

/* Smooth image transitions */
img {
  transition: opacity 0.4s ease, transform 0.4s ease;
}