/* ============================================================
   新生也疯狂 — College Campus Theme
   Vibrant campus red + university blue + notebook-paper whites
   Youthful, energetic aesthetic on light background
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Campus Red palette */
  --accent: #c41e3a;
  --accent-hover: #a01830;
  --accent-light: #fce4e8;
  --accent-glow: rgba(196, 30, 58, 0.25);

  /* University Blue palette */
  --blue: #1a56db;
  --blue-dark: #1a3a6b;
  --blue-light: #e8f0fe;
  --blue-glow: rgba(26, 86, 219, 0.15);

  /* Notebook paper / warm whites */
  --bg: #faf8f3;
  --bg-card: #ffffff;
  --bg-cream: #f5f0e6;
  --bg-header: #1a3a6b;

  /* Text */
  --text: #2d1f1a;
  --text-light: #6b5e55;
  --text-muted: #9c8e84;
  --text-on-dark: #f0ece6;

  /* Borders & Dividers */
  --border: #e0d8ce;
  --border-light: #efe9df;
  --divider: repeating-linear-gradient(
    90deg,
    var(--accent) 0px,
    var(--accent) 4px,
    transparent 4px,
    transparent 8px,
    var(--blue) 8px,
    var(--blue) 12px,
    transparent 12px,
    transparent 16px
  );

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Typography */
  --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
  --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
  --max-width: 1100px;
  --header-h: 64px;

  /* Transitions */
  --ease: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================================
   HEADER — Dark university blue, campus red accents
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-header);
  border-bottom: 3px solid var(--accent);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
  height: var(--header-h);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  flex-shrink: 0;
}

.logo-text {
  white-space: nowrap;
}

.logo-text .logo-sub {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  opacity: 0.7;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Nav links */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  transition: all var(--ease);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* CTA button in nav */
.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  font-weight: 600 !important;
  padding: 8px 20px !important;
  border-radius: 20px !important;
  margin-left: 8px;
  transition: all var(--ease) !important;
}

.nav-cta:hover {
  background: var(--accent-hover) !important;
  box-shadow: 0 2px 10px var(--accent-glow);
  transform: translateY(-1px);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

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

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #0f2540 50%, var(--accent) 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 24px;
  text-align: center;
  color: #fff;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(196, 30, 58, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(26, 86, 219, 0.25) 0%, transparent 60%);
}

/* Notebook paper lines overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 28px,
    rgba(255, 255, 255, 0.03) 28px,
    rgba(255, 255, 255, 0.03) 29px
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 30%, #ffd0d8 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 10px;
  font-weight: 400;
}

.hero-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
}

.tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
}

.tag-red {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tag-blue {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.btn-hero {
  display: inline-block;
  padding: 14px 40px;
  background: var(--accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 28px;
  text-decoration: none;
  transition: all var(--ease);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-hero:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

/* Page hero (sub-pages) — shorter */
.page-hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #0f2540 100%);
  position: relative;
  overflow: hidden;
  padding: 48px 24px;
  text-align: center;
  color: #fff;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, var(--accent-glow) 0%, transparent 60%);
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 28px,
    rgba(255, 255, 255, 0.03) 28px,
    rgba(255, 255, 255, 0.03) 29px
  );
  pointer-events: none;
}

.page-hero .hero-content {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
}

/* ============================================================
   ACCENT DIVIDER — Red-blue dashed stripe
   ============================================================ */
.accent-line {
  height: 4px;
  background: var(--divider);
  margin: 0;
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */
.section {
  padding: 64px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 8px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 40px;
}

.section-compact {
  padding: 40px 24px;
}

/* ============================================================
   INFO CARDS GRID
   ============================================================ */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.info-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--ease);
  border-left: 4px solid var(--blue);
}

.info-card:hover {
  box-shadow: var(--shadow-md);
  border-left-color: var(--accent);
  transform: translateY(-2px);
}

.info-card .card-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.info-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}

.info-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================================
   FEATURE CARDS
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--ease);
  border-left: 4px solid var(--accent);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================================
   SCREENSHOT GALLERY
   ============================================================ */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.gallery img {
  width: 100%;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--ease);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 3/4;
  object-fit: cover;
}

.gallery img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

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

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 1;
  opacity: 0.7;
  transition: opacity var(--ease);
}

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

/* ============================================================
   STORY / CONTENT BLOCKS
   ============================================================ */
.story-block {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--blue);
  transition: all var(--ease);
}

.story-block:hover {
  border-left-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.story-block h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.story-block p {
  color: var(--text-light);
  line-height: 1.8;
}

/* ============================================================
   CHARACTER CARDS
   ============================================================ */
.char-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.char-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--ease);
}

.char-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.char-header {
  background: var(--blue-dark);
  color: #fff;
  padding: 14px 18px;
  font-weight: 700;
  font-size: 1.05rem;
}

.char-body {
  padding: 18px;
}

.char-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: #fff;
}

.char-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
}

.char-card .char-traits {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

/* ============================================================
   GUIDE STEPS
   ============================================================ */
.guide-steps {
  max-width: 700px;
  margin: 0 auto;
}

.guide-step {
  display: flex;
  gap: 18px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: 0 2px 10px var(--accent-glow);
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-content p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.faq-q {
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--ease);
  font-family: var(--font);
}

.faq-q:hover {
  background: var(--bg-cream);
}

.faq-q .faq-icon {
  font-size: 1.3rem;
  color: var(--accent);
  transition: transform var(--ease);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-q .faq-icon {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.open .faq-a {
  max-height: 500px;
}

.faq-a-inner {
  padding: 0 24px 20px;
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-dark), #0f2540);
  padding: 48px 24px;
  text-align: center;
  border-top: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 60%);
}

.cta-banner h2 {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-banner p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
  font-size: 1rem;
}

.cta-banner .btn-hero {
  position: relative;
  z-index: 1;
}

/* ============================================================
   STATS ROW
   ============================================================ */
.stats-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  padding: 32px 0;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

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

.breadcrumbs a {
  color: var(--blue);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.breadcrumbs span {
  margin: 0 6px;
}

/* ============================================================
   TIP BOX
   ============================================================ */
.tip-box {
  background: var(--blue-light);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  border-left: 4px solid var(--blue);
  margin: 20px 0;
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.7;
}

.tip-box strong {
  color: var(--blue);
}

/* ============================================================
   INFO TABLE
   ============================================================ */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.92rem;
}

.info-table th,
.info-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.info-table th {
  background: var(--bg-cream);
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.info-table td {
  color: var(--text-light);
}

.info-table tr:hover td {
  background: var(--bg-cream);
}

/* ============================================================
   DOWNLOAD CARD
   ============================================================ */
.download-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--accent);
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
}

.download-card h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.download-card .version {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.download-card .btn-hero {
  display: block;
  width: 100%;
  text-align: center;
}

.download-card .req-list {
  list-style: none;
  text-align: left;
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--bg-cream);
  border-radius: var(--radius-md);
}

.download-card .req-list li {
  padding: 4px 0;
  font-size: 0.88rem;
  color: var(--text-light);
}

.download-card .req-list li::before {
  content: '📋 ';
}

/* ============================================================
   TAG VARIANTS
   ============================================================ */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 16px 0;
}

.tag-gold {
  background: #fef3c7;
  border-color: #d97706;
  color: #92400e;
}

.tag-green {
  background: #d1fae5;
  border-color: #059669;
  color: #065f46;
}

.tag-blue-solid {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.tag-red-solid {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ============================================================
   BLOCKQUOTE
   ============================================================ */
blockquote {
  border-left: 4px solid var(--accent);
  padding: 14px 20px;
  margin: 20px 0;
  background: var(--accent-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text);
  font-size: 0.95rem;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-center { text-align: center; }
.text-light { color: var(--text-light); }
.mt-1 { margin-top: 12px; }
.mt-2 { margin-top: 24px; }
.mt-3 { margin-top: 40px; }
.mb-1 { margin-bottom: 12px; }
.mb-2 { margin-bottom: 24px; }

.btn-sm {
  display: inline-block;
  font-size: 0.9rem;
  padding: 10px 24px;
}

/* ============================================================
   PROSE / TEXT CONTENT
   ============================================================ */
.prose {
  max-width: 760px;
  margin: 0 auto;
}

.prose p {
  margin-bottom: 16px;
  color: var(--text-light);
  line-height: 1.9;
  font-size: 0.95rem;
}

.prose h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin: 32px 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}

/* ============================================================
   SECTION SUBHEADING
   ============================================================ */
.section-subheading {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin: 40px 0 24px;
  position: relative;
}

.section-subheading::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 10px auto 0;
  border-radius: 2px;
}

/* ============================================================
   CHARACTER ROLE LABEL
   ============================================================ */
.char-role {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
}

.char-card .char-role {
  margin-bottom: 10px;
}

/* ============================================================
   CHARACTER TAG (within cards)
   ============================================================ */
.char-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-cream);
  color: var(--text-light);
  border: 1px solid var(--border);
}

/* ============================================================
   CONTENT LIST (ul/ol within prose/story)
   ============================================================ */
.content-list {
  list-style: disc;
  padding-left: 24px;
  margin: 12px 0 20px;
  color: var(--text-light);
  line-height: 1.9;
}

.content-list-num {
  list-style: decimal;
  padding-left: 24px;
  margin: 12px 0 20px;
  color: var(--text-light);
  line-height: 1.9;
}

.content-li {
  margin-bottom: 5px;
}

.content-li-md {
  margin-bottom: 8px;
}

.strong-blue {
  color: var(--blue);
  font-weight: 700;
}

.strong-gold {
  color: #b8860b;
  font-weight: 700;
}

.strong-red {
  color: var(--accent);
  font-weight: 700;
}

/* ============================================================
   TABLE SCROLL (for responsive tables)
   ============================================================ */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 16px 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  margin-top: auto;
  background: var(--bg-header);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  padding: 24px;
  font-size: 0.85rem;
  border-top: 3px solid var(--accent);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --header-h: 56px;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-header);
    flex-direction: column;
    padding: 12px;
    gap: 2px;
    border-bottom: 3px solid var(--accent);
  }

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

  .main-nav a {
    width: 100%;
    text-align: center;
    padding: 12px;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 4px;
  }

  .hamburger {
    display: flex;
  }

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

  .hero {
    padding: 56px 16px;
  }

  .section {
    padding: 40px 16px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .info-grid,
  .feature-grid,
  .gallery,
  .char-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    gap: 24px;
  }

  .guide-step {
    flex-direction: column;
    gap: 10px;
  }
}