:root {
  --primary: #1f1a1c;
  --secondary: #281f23;
  --accent-light: #ae9d9c;
  --accent-green: #6ea07d;
  --accent-blue: #7c8996;
  --text-primary: #f0ece8;
  --text-secondary: #c5bab8;
  --text-muted: #8a7e7c;
  --border-color: rgba(174, 157, 156, 0.15);
  --card-bg: rgba(40, 31, 35, 0.7);
  --card-hover: rgba(40, 31, 35, 0.9);
  --gradient-primary: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
  --gradient-dark: linear-gradient(180deg, var(--primary), var(--secondary));
  --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: 16px;
  --transition: 0.3s ease;
}

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

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

body {
  font-family: 'Noto Sans SC', 'Inter', sans-serif;
  background-color: var(--primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===================== HEADER ===================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(31, 26, 28, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

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

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav 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);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-primary);
  background: rgba(110, 160, 125, 0.12);
}

.main-nav a i {
  font-size: 0.85rem;
  opacity: 0.8;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
  z-index: 1001;
}

.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 ===================== */
.hero {
  padding: 88px 0 40px;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(110, 160, 125, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-text {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(110, 160, 125, 0.15);
  border: 1px solid rgba(110, 160, 125, 0.3);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--accent-green);
  margin-bottom: 16px;
}

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

.hero-title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--accent-light);
  margin-bottom: 16px;
  font-weight: 400;
}

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

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

.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.meta-tag i {
  color: var(--accent-green);
  font-size: 0.78rem;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.hero-tags span {
  padding: 4px 10px;
  background: rgba(124, 137, 150, 0.15);
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--accent-blue);
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(110, 160, 125, 0.3);
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(110, 160, 125, 0.45);
  color: #fff;
}

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

.hero-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

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

/* ===================== SECTION COMMON ===================== */
.section {
  padding: 72px 0;
}

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

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

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 16px auto 0;
}

/* ===================== NEWS ===================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.news-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: all var(--transition);
}

.news-card:hover {
  background: var(--card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.news-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.news-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.news-type {
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

.news-type.update {
  background: rgba(110, 160, 125, 0.15);
  color: var(--accent-green);
}

.news-type.announce {
  background: rgba(124, 137, 150, 0.15);
  color: var(--accent-blue);
}

.news-type.event {
  background: rgba(174, 157, 156, 0.15);
  color: var(--accent-light);
}

.news-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.news-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

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

.news-link:hover {
  gap: 10px;
}

/* ===================== GALLERY ===================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(31, 26, 28, 0.8));
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.gallery-overlay span {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

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

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
  background: none;
  border: none;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: #fff;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: all var(--transition);
}

.lightbox-nav:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
  left: 24px;
}

.lightbox-next {
  right: 24px;
}

/* ===================== REVIEWS ===================== */
.reviews-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin-bottom: 40px;
  padding: 32px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

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

.review-score .score {
  font-size: 3.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.review-stars {
  display: flex;
  gap: 4px;
  margin: 8px 0;
  justify-content: center;
}

.review-stars i {
  color: #f5a623;
  font-size: 1.1rem;
}

.review-stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.stat-row span:first-child {
  width: 80px;
  color: var(--text-muted);
  text-align: right;
}

.stat-bar {
  width: 200px;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 3px;
}

.review-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.review-tags span {
  padding: 6px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

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

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

.review-card {
  min-width: 100%;
  padding: 0 20px;
}

.review-card-inner {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
}

.review-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
}

.review-card-inner .review-stars {
  margin-bottom: 16px;
}

.review-card-inner blockquote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-style: italic;
  margin-bottom: 16px;
}

.review-author {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.review-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}

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

.carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.carousel-btn:hover {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

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

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

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

/* ===================== VERSION HISTORY ===================== */
.version-timeline {
  position: relative;
  padding-left: 32px;
}

.version-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.version-item {
  position: relative;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.version-item:hover {
  background: var(--card-hover);
  box-shadow: var(--shadow-sm);
}

.version-item::before {
  content: '';
  position: absolute;
  left: -29px;
  top: 30px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-green);
  border: 3px solid var(--primary);
}

.version-item:first-child::before {
  background: var(--accent-green);
  box-shadow: 0 0 0 4px rgba(110, 160, 125, 0.2);
}

.version-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.version-number {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-green);
}

.version-date-tag {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 2px 10px;
  background: rgba(174, 157, 156, 0.1);
  border-radius: 4px;
}

.version-meta {
  display: flex;
  gap: 16px;
  margin-left: auto;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.version-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.version-changes {
  list-style: none;
}

.version-changes li {
  padding: 4px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.version-changes li::before {
  content: '•';
  color: var(--accent-green);
  font-weight: bold;
  flex-shrink: 0;
}

.version-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 8px 18px;
  background: rgba(110, 160, 125, 0.1);
  border: 1px solid rgba(110, 160, 125, 0.25);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--accent-green);
  font-weight: 500;
  transition: all var(--transition);
}

.version-download:hover {
  background: rgba(110, 160, 125, 0.2);
  color: var(--accent-green);
}

/* ===================== GUIDES ===================== */
.guides-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.filter-btn {
  padding: 8px 20px;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #fff;
}

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

.guide-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
}

.guide-card:hover {
  background: var(--card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.guide-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.guide-card-icon.route {
  background: rgba(110, 160, 125, 0.15);
  color: var(--accent-green);
}

.guide-card-icon.choice {
  background: rgba(124, 137, 150, 0.15);
  color: var(--accent-blue);
}

.guide-card-icon.ending {
  background: rgba(174, 157, 156, 0.15);
  color: var(--accent-light);
}

.guide-card-icon.collect {
  background: rgba(245, 166, 35, 0.15);
  color: #f5a623;
}

.guide-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

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

.guide-difficulty {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
}

.guide-difficulty i {
  color: #f5a623;
  font-size: 0.7rem;
}

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

.guide-category {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(110, 160, 125, 0.1);
  color: var(--accent-green);
}

/* ===================== CHAPTERS ===================== */
.chapters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.chapter-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  transition: all var(--transition);
}

.chapter-card:hover {
  background: var(--card-hover);
  box-shadow: var(--shadow-sm);
}

.chapter-card.main-chapter {
  border-left: 3px solid var(--accent-green);
}

.chapter-card.side-chapter {
  border-left: 3px solid var(--accent-blue);
}

.chapter-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.chapter-badge.main {
  background: rgba(110, 160, 125, 0.15);
  color: var(--accent-green);
}

.chapter-badge.side {
  background: rgba(124, 137, 150, 0.15);
  color: var(--accent-blue);
}

.chapter-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.chapter-card .chapter-story {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

.chapter-info {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.chapter-info span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.chapter-info i {
  color: var(--accent-green);
  font-size: 0.75rem;
}

.chapter-mood {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.chapter-mood i {
  color: var(--accent-light);
}

/* ===================== FAQ ===================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: rgba(110, 160, 125, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  gap: 16px;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  color: var(--text-primary);
}

.faq-question h3 {
  font-size: 0.95rem;
  font-weight: 600;
  flex: 1;
}

.faq-question i {
  color: var(--accent-green);
  transition: transform var(--transition);
  flex-shrink: 0;
}

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

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

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===================== FOOTER ===================== */
.site-footer {
  background: var(--secondary);
  border-top: 1px solid var(--border-color);
  padding: 56px 0 0;
}

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

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #fff;
}

.footer-column h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-column a:hover {
  color: var(--accent-green);
}

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

.footer-links a {
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

/* ===================== BACK TO TOP ===================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-image {
    max-width: 560px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .hamburger {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--secondary);
    padding: 80px 24px 24px;
    transition: right var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
  }

  .main-nav.open {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .main-nav a {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
  }

  .mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }

  .mobile-overlay.active {
    display: block;
  }

  .hero {
    padding: 80px 0 32px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-meta {
    gap: 8px;
  }

  .meta-tag {
    font-size: 0.78rem;
    padding: 4px 10px;
  }

  .section {
    padding: 48px 0;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

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

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

  .reviews-summary {
    flex-direction: column;
    gap: 24px;
    padding: 24px;
  }

  .stat-bar {
    width: 140px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .version-meta {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .hero-tags span {
    font-size: 0.72rem;
    padding: 3px 8px;
  }

  .btn-download {
    width: 100%;
    justify-content: center;
    padding: 12px 24px;
  }
}