/* ========================================
   异常咖啡机 - 游戏官网样式
   ======================================== */

/* CSS 变量 */
:root {
  --primary: #2b293e;
  --secondary: #3a364b;
  --accent-light: #d5cde2;
  --accent-mid: #ada8c0;
  --accent-purple: #918ac6;
  --bg-dark: #1e1c2e;
  --bg-card: #322f45;
  --text-primary: #f0ecf7;
  --text-secondary: #c5bdd6;
  --gradient-hero: linear-gradient(135deg, #2b293e 0%, #3a364b 50%, #2b293e 100%);
  --gradient-accent: linear-gradient(135deg, #918ac6, #6f68a8);
  --gradient-card: linear-gradient(145deg, #3a364b, #2b293e);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
  --font-main: 'Noto Sans SC', 'Segoe UI', sans-serif;
  --font-heading: 'Orbitron', 'Noto Sans SC', sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--accent-purple);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-light);
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   Header / Navigation
   ======================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(43, 41, 62, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(145, 138, 198, 0.15);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(30, 28, 46, 0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.logo:hover {
  color: var(--accent-purple);
}

.nav-menu {
  display: flex;
  gap: 6px;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text-primary);
  background: rgba(145, 138, 198, 0.15);
}

.nav-menu a i {
  font-size: 0.85rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  padding: 100px 0 50px;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(145, 138, 198, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(145, 138, 198, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(145, 138, 198, 0.15);
  border: 1px solid rgba(145, 138, 198, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent-purple);
  margin-bottom: 16px;
}

.hero-badge i {
  font-size: 0.75rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 span {
  display: block;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--accent-mid);
  -webkit-text-fill-color: var(--accent-mid);
  margin-top: 4px;
}

.hero-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
  max-width: 560px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.hero-meta .meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(145, 138, 198, 0.1);
  border: 1px solid rgba(145, 138, 198, 0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent-light);
}

.hero-meta .meta-tag i {
  color: var(--accent-purple);
  font-size: 0.75rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(145, 138, 198, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(145, 138, 198, 0.5);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--accent-purple);
  border: 2px solid rgba(145, 138, 198, 0.4);
}

.btn-outline:hover {
  background: rgba(145, 138, 198, 0.1);
  border-color: var(--accent-purple);
  color: var(--accent-light);
}

.hero-image {
  flex: 0 0 360px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(145, 138, 198, 0.2);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========================================
   Section Common
   ======================================== */
.section {
  padding: 70px 0;
}

.section-alt {
  background: var(--primary);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto;
}

.section-header .divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  margin: 16px auto 0;
  border-radius: 3px;
}

/* ========================================
   Features Grid (游戏特色)
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.feature-card {
  padding: 28px 24px;
  background: var(--gradient-card);
  border: 1px solid rgba(145, 138, 198, 0.12);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(145, 138, 198, 0.3);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: rgba(145, 138, 198, 0.12);
  border-radius: var(--radius-md);
  font-size: 1.4rem;
  color: var(--accent-purple);
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========================================
   News Section (新闻动态)
   ======================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.news-card {
  background: var(--gradient-card);
  border: 1px solid rgba(145, 138, 198, 0.12);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition);
}

.news-card:hover {
  transform: translateY(-3px);
  border-color: rgba(145, 138, 198, 0.3);
  box-shadow: var(--shadow-md);
}

.news-card .news-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--accent-purple);
  margin-bottom: 10px;
}

.news-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.news-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.news-card .news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--accent-purple);
  font-weight: 500;
}

.news-card .news-link:hover {
  color: var(--accent-light);
}

/* ========================================
   Gallery (媒体画廊)
   ======================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid rgba(145, 138, 198, 0.15);
  transition: all var(--transition);
  cursor: pointer;
}

.gallery-item:hover {
  border-color: rgba(145, 138, 198, 0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item .gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(43, 41, 62, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay i {
  font-size: 2rem;
  color: var(--accent-light);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90%;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--transition);
}

.lightbox-close:hover {
  color: var(--accent-purple);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
  background: rgba(145, 138, 198, 0.2);
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.lightbox-nav:hover {
  background: rgba(145, 138, 198, 0.4);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

/* ========================================
   Reviews (用户评价)
   ======================================== */
.reviews-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.review-score {
  text-align: center;
}

.review-score .score-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent-purple);
  line-height: 1;
}

.review-score .score-stars {
  color: #fbbf24;
  font-size: 1.1rem;
  margin: 8px 0 4px;
}

.review-score .score-count {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.review-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.review-tags span {
  padding: 6px 16px;
  background: rgba(145, 138, 198, 0.1);
  border: 1px solid rgba(145, 138, 198, 0.2);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--accent-light);
}

.reviews-carousel {
  position: relative;
  overflow: hidden;
}

.reviews-track {
  display: flex;
  transition: transform 0.5s ease;
}

.review-card {
  flex: 0 0 100%;
  padding: 32px;
  background: var(--gradient-card);
  border: 1px solid rgba(145, 138, 198, 0.12);
  border-radius: var(--radius-md);
}

.review-card .review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}

.review-meta .review-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.review-meta .review-stars {
  color: #fbbf24;
  font-size: 0.8rem;
}

.review-card .review-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-style: italic;
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(145, 138, 198, 0.3);
  background: transparent;
  color: var(--accent-purple);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.carousel-btn:hover {
  background: rgba(145, 138, 198, 0.15);
  border-color: var(--accent-purple);
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(145, 138, 198, 0.3);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.carousel-dot.active {
  background: var(--accent-purple);
  width: 24px;
  border-radius: 4px;
}

/* ========================================
   Version History (版本历史)
   ======================================== */
.version-timeline {
  position: relative;
  padding-left: 32px;
}

.version-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(145, 138, 198, 0.2);
}

.version-item {
  position: relative;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--gradient-card);
  border: 1px solid rgba(145, 138, 198, 0.12);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.version-item:hover {
  border-color: rgba(145, 138, 198, 0.3);
}

.version-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 30px;
  width: 12px;
  height: 12px;
  background: var(--accent-purple);
  border-radius: 50%;
  border: 3px solid var(--bg-dark);
}

.version-item:first-child::before {
  background: #fbbf24;
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.4);
}

.version-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.version-number {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-purple);
}

.version-date {
  font-size: 0.8rem;
  color: var(--accent-mid);
}

.version-badge {
  padding: 3px 10px;
  background: rgba(251, 191, 36, 0.15);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 50px;
  font-size: 0.72rem;
  color: #fbbf24;
  font-weight: 600;
}

.version-item ul {
  margin-bottom: 14px;
}

.version-item ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.version-item ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-purple);
}

.version-info {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.version-info span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--accent-mid);
}

.version-info span i {
  color: var(--accent-purple);
}

.version-info .btn {
  padding: 6px 16px;
  font-size: 0.8rem;
}

/* ========================================
   Guides (游戏攻略)
   ======================================== */
.guide-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.guide-filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid rgba(145, 138, 198, 0.3);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-main);
}

.guide-filter-btn:hover,
.guide-filter-btn.active {
  background: rgba(145, 138, 198, 0.15);
  border-color: var(--accent-purple);
  color: var(--text-primary);
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.guide-card {
  padding: 24px;
  background: var(--gradient-card);
  border: 1px solid rgba(145, 138, 198, 0.12);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.guide-card:hover {
  transform: translateY(-3px);
  border-color: rgba(145, 138, 198, 0.3);
  box-shadow: var(--shadow-md);
}

.guide-card .guide-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(145, 138, 198, 0.12);
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--accent-purple);
  margin-bottom: 12px;
}

.guide-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.guide-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.6;
}

.guide-card .guide-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.guide-difficulty {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
}

.guide-difficulty i {
  color: #fbbf24;
  font-size: 0.7rem;
}

.guide-difficulty span {
  color: var(--text-secondary);
}

.guide-card .guide-link {
  font-size: 0.82rem;
  color: var(--accent-purple);
  font-weight: 500;
}

/* ========================================
   Chapters (游戏章节)
   ======================================== */
.chapters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.chapter-card {
  padding: 28px;
  background: var(--gradient-card);
  border: 1px solid rgba(145, 138, 198, 0.12);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.chapter-card:hover {
  border-color: rgba(145, 138, 198, 0.3);
  box-shadow: var(--shadow-md);
}

.chapter-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle at top right, rgba(145, 138, 198, 0.08), transparent);
  pointer-events: none;
}

.chapter-number {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  color: var(--accent-purple);
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.chapter-type {
  padding: 2px 8px;
  background: rgba(145, 138, 198, 0.12);
  border-radius: 4px;
  font-size: 0.68rem;
  color: var(--accent-mid);
  font-family: var(--font-main);
  letter-spacing: 0;
}

.chapter-type.special {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
}

.chapter-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.chapter-card .chapter-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
}

.chapter-info {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.chapter-info span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--accent-mid);
}

.chapter-info span i {
  color: var(--accent-purple);
  font-size: 0.72rem;
}

.chapter-mood {
  padding: 3px 10px;
  background: rgba(145, 138, 198, 0.1);
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--accent-light);
}

/* ========================================
   FAQ (常见问题)
   ======================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 12px;
  border: 1px solid rgba(145, 138, 198, 0.12);
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover,
.faq-item.active {
  border-color: rgba(145, 138, 198, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  gap: 14px;
  transition: background var(--transition);
}

.faq-question:hover {
  background: rgba(145, 138, 198, 0.05);
}

.faq-question h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-question i {
  font-size: 0.85rem;
  color: var(--accent-purple);
  transition: transform var(--transition);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
  background: var(--primary);
  border-top: 1px solid rgba(145, 138, 198, 0.1);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}


.footer-column h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  font-size: 0.84rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

.footer-column ul li a:hover {
  color: var(--accent-purple);
}

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(145, 138, 198, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--accent-mid);
}

.footer-bottom .footer-links {
  display: flex;
  gap: 20px;
}

.footer-bottom .footer-links a {
  font-size: 0.78rem;
  color: var(--accent-mid);
}

.footer-bottom .footer-links a:hover {
  color: var(--accent-purple);
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 992px) {
  .hero-inner {
    flex-direction: column;
    text-align: center;
  }

  .hero-content {
    order: 2;
  }

  .hero-image {
    order: 1;
    flex: 0 0 auto;
    max-width: 320px;
    width: 100%;
  }

  .hero-meta {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(30, 28, 46, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateY(-120%);
    transition: transform 0.4s ease;
    border-bottom: 1px solid rgba(145, 138, 198, 0.15);
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 90px 0 40px;
    min-height: auto;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section {
    padding: 50px 0;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .chapters-grid {
    grid-template-columns: 1fr;
  }

  .reviews-stats {
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero-image {
    max-width: 260px;
  }

  .hero-meta .meta-tag {
    font-size: 0.72rem;
    padding: 4px 10px;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .guides-grid {
    grid-template-columns: 1fr;
  }
}