/* ============================================================
   九界之上 | Above Nine Realms - Celestial Realms Theme
   Cosmic Navy + Starlight Silver + Nine-Realm Constellation Motifs
   ============================================================ */

/* --- CSS Variables --- */
:root {
  /* Core palette */
  --cosmic-navy: #0b1a3b;
  --cosmic-navy-deep: #060f24;
  --cosmic-navy-light: #132852;
  --starlight-silver: #c8d6e5;
  --starlight-bright: #e8edf6;
  --starlight-dimmer: #9bafc9;
  --golden-star: #d4a843;
  --golden-star-dim: #b8923a;
  --realm-azure: #4a7fb5;
  --realm-violet: #6b5b95;
  --realm-jade: #5b8c6f;

  /* Surfaces */
  --bg-primary: #f7f8fc;
  --bg-card: #ffffff;
  --bg-card-alt: #eef1f8;
  --bg-navy-section: var(--cosmic-navy);
  --bg-navy-card: rgba(255, 255, 255, 0.05);
  --bg-navy-card-hover: rgba(255, 255, 255, 0.09);

  /* Text */
  --text-primary: #1a2340;
  --text-secondary: #4a5578;
  --text-muted: #7a85a5;
  --text-on-navy: #e2e8f5;
  --text-on-navy-dim: #a0b4d0;
  --text-gold: var(--golden-star);

  /* Borders */
  --border-light: #dce3ef;
  --border-navy: rgba(200, 214, 229, 0.15);
  --border-gold: rgba(212, 168, 67, 0.4);

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(11, 26, 59, 0.06);
  --shadow-md: 0 4px 16px rgba(11, 26, 59, 0.10);
  --shadow-lg: 0 8px 32px rgba(11, 26, 59, 0.14);
  --shadow-glow: 0 0 24px rgba(200, 214, 229, 0.15);
  --gradient-navy: linear-gradient(135deg, var(--cosmic-navy) 0%, var(--cosmic-navy-light) 100%);
  --gradient-realms: linear-gradient(135deg, #0b1a3b 0%, #132852 30%, #1a3368 60%, #0f1f44 100%);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Typography */
  --font-heading: 'PingFang SC', 'Noto Serif SC', 'Source Han Serif SC', 'SimSun', serif;
  --font-body: 'PingFang SC', 'Noto Sans SC', 'Source Han Sans SC', 'Microsoft YaHei', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--realm-azure);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--cosmic-navy);
}

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

ul, ol {
  list-style: none;
}

/* --- Constellation Background Motif --- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1px 1px at 10% 15%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1px 1px at 25% 8%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 40% 20%, var(--golden-star-dim) 50%, transparent 50%),
    radial-gradient(1px 1px at 55% 12%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 70% 18%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1px 1px at 85% 10%, var(--golden-star-dim) 50%, transparent 50%),
    radial-gradient(1px 1px at 15% 35%, var(--starlight-dimmer) 50%, transparent 50%),
    radial-gradient(1px 1px at 90% 32%, var(--starlight-dimmer) 50%, transparent 50%),
    radial-gradient(1px 1px at 60% 45%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1px 1px at 30% 55%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1px 1px at 78% 60%, var(--golden-star-dim) 50%, transparent 50%),
    radial-gradient(1px 1px at 5% 75%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1px 1px at 50% 80%, var(--starlight-dimmer) 50%, transparent 50%),
    radial-gradient(1px 1px at 92% 78%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1px 1px at 22% 88%, var(--starlight-silver) 50%, transparent 50%),
    radial-gradient(1px 1px at 68% 90%, var(--golden-star-dim) 50%, transparent 50%);
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* --- Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  height: var(--nav-height);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cosmic-navy);
  letter-spacing: 0.04em;
}

.site-brand img {
  height: 36px;
  width: auto;
}

.site-brand span {
  background: linear-gradient(135deg, var(--cosmic-navy), var(--realm-azure));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  display: block;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--cosmic-navy);
  background: var(--bg-card-alt);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  background: var(--gradient-navy);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(11, 26, 59, 0.2);
  margin-left: 16px;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(11, 26, 59, 0.3);
  background: var(--cosmic-navy-deep);
  color: #fff !important;
}

.nav-cta::after {
  content: '↗';
  font-size: 0.8em;
}

/* Hero CTA Button */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--golden-star), var(--golden-star-dim));
  color: var(--cosmic-navy-deep);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(212, 168, 67, 0.4);
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(212, 168, 67, 0.6);
  color: var(--cosmic-navy-deep);
}

.hero-cta::after {
  content: '↗';
  font-size: 0.8em;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cosmic-navy);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  background: var(--gradient-realms);
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(2px 2px at 12% 20%, rgba(255, 255, 255, 0.9) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 28% 40%, rgba(255, 255, 255, 0.8) 50%, transparent 50%),
    radial-gradient(2px 2px at 45% 15%, rgba(255, 255, 255, 0.7) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 62% 35%, rgba(255, 255, 255, 0.8) 50%, transparent 50%),
    radial-gradient(2px 2px at 78% 22%, rgba(212, 168, 67, 0.7) 50%, transparent 50%),
    radial-gradient(1px 1px at 88% 50%, rgba(255, 255, 255, 0.6) 50%, transparent 50%),
    radial-gradient(2px 2px at 8% 65%, rgba(255, 255, 255, 0.7) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 35% 78%, rgba(255, 255, 255, 0.6) 50%, transparent 50%),
    radial-gradient(2px 2px at 55% 70%, rgba(212, 168, 67, 0.6) 50%, transparent 50%),
    radial-gradient(1px 1px at 72% 82%, rgba(255, 255, 255, 0.5) 50%, transparent 50%),
    radial-gradient(2px 2px at 95% 75%, rgba(255, 255, 255, 0.6) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 18% 48%, rgba(255, 255, 255, 0.5) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 48% 55%, rgba(255, 255, 255, 0.5) 50%, transparent 50%);
  opacity: 0.7;
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  color: var(--text-on-navy);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border-navy);
  color: var(--starlight-silver);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.hero-badge::before {
  content: '★';
  color: var(--golden-star);
  font-size: 0.8em;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #ffffff, var(--starlight-silver), var(--golden-star-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-on-navy-dim);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--golden-star);
}

.hero-stat-label {
  font-size: 0.8rem;
  color: var(--text-on-navy-dim);
  margin-top: 4px;
}

.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 48px rgba(11, 26, 59, 0.4), 0 0 0 1px rgba(200, 214, 229, 0.15);
}

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

/* --- Sections --- */
.section {
  padding: 72px 24px;
}

.section-navy {
  background: var(--gradient-realms);
  color: var(--text-on-navy);
}

.section-navy .section-title {
  color: var(--starlight-bright);
}

.section-navy .section-subtitle {
  color: var(--text-on-navy-dim);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--cosmic-navy);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

/* --- Feature Cards Grid --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-card-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cosmic-navy);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Screenshot Gallery --- */
.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.screenshot-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  aspect-ratio: 16 / 9;
}

.screenshot-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--realm-azure);
}

.screenshot-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Reviews --- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.review-stars {
  color: var(--golden-star);
  font-size: 1.1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

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

.review-author {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

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

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

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--cosmic-navy);
  text-align: left;
  font-family: var(--font-body);
}

.faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--text-muted);
  transition: transform var(--transition);
}

.faq-item.active .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 600px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* --- Article Content --- */
.article-body {
  max-width: 800px;
  margin: 0 auto;
}

.article-body h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cosmic-navy);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-light);
}

.article-body h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--cosmic-navy-light);
  margin: 28px 0 12px;
}

.article-body p {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 16px;
}

.article-body ul,
.article-body ol {
  margin: 12px 0 20px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

.article-body ul li {
  list-style: disc;
  margin-bottom: 6px;
}

.article-body ol li {
  list-style: decimal;
  margin-bottom: 6px;
}

/* --- Character Cards --- */
.character-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.character-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all var(--transition);
}

.character-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--starlight-dimmer);
}

.character-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  background: var(--gradient-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--golden-star);
  flex-shrink: 0;
}

.character-info h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cosmic-navy);
  margin-bottom: 4px;
}

.character-info .char-role {
  font-size: 0.85rem;
  color: var(--golden-star);
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.character-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- Guide Steps --- */
.guide-timeline {
  max-width: 800px;
  margin: 0 auto;
}

.guide-step {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
}

.guide-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.guide-step-body h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cosmic-navy);
  margin-bottom: 8px;
}

.guide-step-body p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* --- Info Table --- */
.info-table {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  border-collapse: collapse;
}

.info-table tr {
  border-bottom: 1px solid var(--border-light);
}

.info-table td {
  padding: 14px 16px;
  font-size: 0.95rem;
}

.info-table td:first-child {
  font-weight: 600;
  color: var(--cosmic-navy);
  width: 120px;
  white-space: nowrap;
}

.info-table td:last-child {
  color: var(--text-secondary);
}

/* --- Page Hero (non-index) --- */
.page-hero {
  background: var(--gradient-realms);
  padding: 64px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(2px 2px at 20% 25%, rgba(255,255,255,0.8) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 45% 40%, rgba(255,255,255,0.6) 50%, transparent 50%),
    radial-gradient(2px 2px at 70% 30%, rgba(212,168,67,0.6) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 88% 55%, rgba(255,255,255,0.5) 50%, transparent 50%),
    radial-gradient(1px 1px at 10% 70%, rgba(255,255,255,0.5) 50%, transparent 50%),
    radial-gradient(2px 2px at 55% 75%, rgba(255,255,255,0.7) 50%, transparent 50%);
  opacity: 0.7;
}

.page-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--starlight-bright);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
  position: relative;
}

.page-hero .page-hero-sub {
  font-size: 1.05rem;
  color: var(--text-on-navy-dim);
  position: relative;
}

/* --- Footer --- */
.site-footer {
  background: var(--cosmic-navy-deep);
  color: var(--text-on-navy-dim);
  padding: 32px 24px;
  text-align: center;
  font-size: 0.88rem;
  border-top: 1px solid rgba(200, 214, 229, 0.08);
}

.site-footer p {
  margin: 0;
}

/* --- Breadcrumb --- */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--cosmic-navy);
}

.breadcrumb span {
  margin: 0 8px;
}

/* --- Lightbox --- */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 15, 36, 0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2.5rem;
  color: #fff;
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
}

/* --- CTA Banner --- */
.cta-banner {
  background: var(--gradient-realms);
  padding: 64px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.6) 50%, transparent 50%),
    radial-gradient(1.5px 1.5px at 80% 25%, rgba(212,168,67,0.5) 50%, transparent 50%),
    radial-gradient(2px 2px at 50% 60%, rgba(255,255,255,0.7) 50%, transparent 50%);
  opacity: 0.6;
}

.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--starlight-bright);
  margin-bottom: 12px;
  position: relative;
}

.cta-banner p {
  color: var(--text-on-navy-dim);
  margin-bottom: 28px;
  position: relative;
  font-size: 1rem;
}

.cta-banner .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--golden-star), var(--golden-star-dim));
  color: var(--cosmic-navy-deep);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(212, 168, 67, 0.3);
  position: relative;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(212, 168, 67, 0.5);
  color: var(--cosmic-navy-deep);
}

.cta-banner .btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  border: 2px solid rgba(200, 214, 229, 0.4);
  color: var(--starlight-silver);
  font-weight: 600;
  margin-left: 16px;
  transition: all var(--transition);
  position: relative;
}

.cta-banner .btn-secondary:hover {
  border-color: var(--starlight-bright);
  color: var(--starlight-bright);
}

/* --- Article on Navy Background --- */
.article-body-on-navy {
  color: var(--text-on-navy-dim);
}

.article-body-on-navy h2 {
  color: var(--starlight-bright);
  border-bottom-color: var(--border-navy);
}

.article-body-on-navy h3 {
  color: var(--starlight-bright);
}

.article-body-on-navy p {
  color: var(--text-on-navy-dim);
}

.article-body-on-navy ul li,
.article-body-on-navy ol li {
  color: var(--text-on-navy-dim);
}

/* --- Utility --- */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 20px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-stats {
    gap: 20px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    padding: 12px;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    justify-content: center;
  }

  .menu-toggle {
    display: flex;
  }

  .section {
    padding: 48px 20px;
  }

  .section-title {
    font-size: 1.6rem;
  }

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

  .character-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .cta-banner .btn-secondary {
    margin-left: 0;
    margin-top: 12px;
  }
}

@media (max-width: 480px) {
  .hero-inner {
    padding: 32px 16px;
  }

  .hero-content h1 {
    font-size: 1.6rem;
  }

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

  .feature-grid,
  .screenshot-grid,
  .review-grid,
  .character-grid {
    grid-template-columns: 1fr;
  }

  .guide-step {
    flex-direction: column;
    gap: 12px;
  }
}