/* ═══════════════════════════════════════════
   旅境 TravelNarrator Support Center — Styles
   ═══════════════════════════════════════════ */

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

:root {
  --c-bg: #05070a;
  --c-surface: #0d1117;
  --c-surface-raised: #161b22;
  --c-surface-hover: #1c2333;
  --c-border: #1f2937;
  --c-border-light: #2d3748;
  --c-primary: #3b82f6;
  --c-primary-glow: rgba(59, 130, 246, 0.3);
  --c-primary-soft: #60a5fa;
  --c-accent: #8b5cf6;
  --c-accent-glow: rgba(139, 92, 246, 0.25);
  --c-green: #10b981;
  --c-orange: #f59e0b;
  --c-text: #f1f5f9;
  --c-text-secondary: #94a3b8;
  --c-text-muted: #64748b;
  --c-danger: #ef4444;

  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-hero: linear-gradient(180deg, #05070a 0%, #0a0f1e 40%, #0d1117 100%);
  --gradient-card: linear-gradient(135deg, rgba(59,130,246,0.08) 0%, rgba(139,92,246,0.05) 100%);
  --gradient-card-hover: linear-gradient(135deg, rgba(59,130,246,0.14) 0%, rgba(139,92,246,0.10) 100%);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px var(--c-primary-glow);

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.5rem;
  --fs-5xl: 3.5rem;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
               'Microsoft YaHei', 'Noto Sans CJK SC', 'Segoe UI', sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

code, kbd, pre, .mono {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', 'Menlo', monospace;
}

/* ── Animated Background ── */
.bg-grid {
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

.bg-glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.08), transparent);
  top: -200px; left: -200px;
  animation: glowFloat 20s ease-in-out infinite;
}

.bg-glow-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.06), transparent);
  bottom: -200px; right: -200px;
  animation: glowFloat 25s ease-in-out infinite reverse;
}

@keyframes glowFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 40px) scale(0.95); }
}

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header & Navigation ── */
.header {
  position: sticky; top: 0;
  background: rgba(5,7,10,0.80);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border-bottom: 1px solid var(--c-border);
  z-index: 100;
}

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

.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  color: var(--c-text);
  font-weight: 600;
  font-size: var(--fs-lg);
  transition: var(--transition);
}

.logo:hover { opacity: 0.85; }

.logo-icon {
  width: 36px; height: 36px;
  color: var(--c-primary-soft);
  flex-shrink: 0;
}

.logo-text { letter-spacing: -0.02em; }

.nav-links {
  display: flex; align-items: center;
  list-style: none; gap: 4px;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover { color: var(--c-text); background: var(--c-surface-hover); }

.nav-links a.active {
  color: var(--c-primary-soft);
  background: rgba(59,130,246,0.1);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  display: none;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 16px 24px;
}

.mobile-menu.open { display: block; }

.mobile-nav-links {
  list-style: none;
  display: flex; flex-direction: column; gap: 4px;
}

.mobile-nav-links a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--c-text-secondary);
  font-weight: 500;
  transition: var(--transition);
}

.mobile-nav-links a:hover {
  color: var(--c-text);
  background: var(--c-surface-hover);
}

/* ── Hero Section ── */
.hero {
  position: relative;
  z-index: 1;
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex; flex-direction: column; gap: 24px;
}

.hero-badge {
  display: inline-flex; align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.2);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--c-primary-soft);
  width: fit-content;
}

.pulse {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-green);
  animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(16,185,129,0); }
}

.hero-title { font-size: var(--fs-5xl); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  display: block;
  color: var(--c-text);
  font-size: var(--fs-4xl);
  margin-top: 4px;
}

.hero-description {
  font-size: var(--fs-lg);
  color: var(--c-text-secondary);
  line-height: 1.7;
  max-width: 520px;
}

/* Hero Search */
.hero-search {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.hero-search input {
  width: 100%;
  padding: 14px 44px 14px 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  background: var(--c-surface-raised);
  color: var(--c-text);
  font-size: var(--fs-sm);
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.hero-search input:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-glow);
}

.hero-search input::placeholder { color: var(--c-text-muted); }

.search-icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--c-text-muted);
  pointer-events: none;
}

.search-shortcut {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  display: flex; gap: 4px;
}

.search-shortcut kbd {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text-muted);
}

/* Hero Stats */
.hero-stats {
  display: flex; align-items: center;
  gap: 24px;
  margin-top: 8px;
}

.stat-item {
  display: flex; flex-direction: column;
}

.stat-number {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--c-text);
}

.stat-label {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
}

.stat-divider {
  width: 1px; height: 32px;
  background: var(--c-border);
}

/* Hero Visual / Phone Mockup */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  perspective: 1000px;
  animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
  0%, 100% { transform: rotateY(-8deg) translateY(0); }
  50% { transform: rotateY(-4deg) translateY(-12px); }
}

.phone-frame {
  width: 280px; height: 560px;
  background: linear-gradient(145deg, #1c2333, #0d1117);
  border-radius: 40px;
  padding: 12px;
  border: 2px solid var(--c-border-light);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.phone-screen {
  width: 100%; height: 100%;
  background: var(--gradient-hero);
  border-radius: 30px;
  overflow: hidden;
  position: relative;
}

.app-preview {
  display: flex; flex-direction: column;
  height: 100%;
  padding: 16px;
}

.preview-header {
  display: flex; justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.preview-time {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-text);
}

.preview-map {
  flex: 1;
  background: linear-gradient(135deg, #0a1525, #0d1117);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  margin-bottom: 12px;
}

.map-pulse {
  position: absolute;
  width: 100px; height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.3), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: mapPulse 2.5s ease-in-out infinite;
}

@keyframes mapPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.3; }
}

.map-marker {
  position: absolute;
  width: 32px; height: 32px;
  top: 50%; left: 50%;
  transform: translate(-50%, -100%);
  color: var(--c-primary-soft);
  filter: drop-shadow(0 0 8px var(--c-primary-glow));
}

.map-marker svg { width: 100%; height: 100%; }

.map-route {
  position: absolute;
  width: 70%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-primary-soft), transparent);
  top: 65%; left: 15%;
  opacity: 0.4;
}

.preview-card {
  background: var(--c-surface-raised);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex; gap: 10px;
  margin-bottom: 12px;
}

.preview-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  flex-shrink: 0;
}

.preview-lines {
  flex: 1; display: flex; flex-direction: column;
  gap: 6px;
}

.preview-line {
  height: 6px;
  border-radius: 3px;
  background: var(--c-border-light);
}

.preview-line.short { width: 40%; }
.preview-line.medium { width: 75%; }

.preview-controls {
  display: flex; justify-content: center;
  gap: 16px;
}

.control-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--c-surface-raised);
  border: 1px solid var(--c-border);
}

.control-btn.primary {
  width: 52px; height: 52px;
  background: var(--gradient-primary);
  box-shadow: 0 0 20px var(--c-primary-glow);
}

/* ── Section title ── */
.section-title {
  font-size: var(--fs-3xl);
  font-weight: 700;
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

/* ── Quick Actions ── */
.quick-actions { padding: 60px 0; position: relative; z-index: 1; }

.actions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.action-card {
  display: block;
  text-decoration: none;
  color: var(--c-text);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.action-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card-hover);
  opacity: 0;
  transition: var(--transition);
}

.action-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-light);
  box-shadow: var(--shadow-md);
}

.action-card:hover::before { opacity: 1; }

.action-card > * { position: relative; z-index: 1; }

.action-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59,130,246,0.1);
  color: var(--c-primary-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}

.action-icon svg { width: 24px; height: 24px; }

.action-card h3 {
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: 6px;
}

.action-card p {
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
}

/* ── Topics ── */
.topics { padding: 30px 0 60px; position: relative; z-index: 1; }

.topics-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.topic-item {
  display: flex; align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  color: var(--c-text);
}

.topic-item:hover {
  background: var(--c-surface-raised);
  border-color: var(--c-border-light);
  transform: translateX(4px);
}

.topic-icon {
  font-size: 28px;
  flex-shrink: 0;
}

.topic-content { flex: 1; }

.topic-content h3 {
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: 4px;
}

.topic-content p {
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
}

.topic-count {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  background: var(--c-surface-raised);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--c-border);
  white-space: nowrap;
}

/* ── Contact CTA ── */
.contact-cta { padding: 60px 0; position: relative; z-index: 1; }

.cta-content {
  background: var(--gradient-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-size: var(--fs-3xl);
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-text p {
  color: var(--c-text-secondary);
  font-size: var(--fs-lg);
}

.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px var(--c-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--c-primary-glow);
}

.btn-secondary {
  background: var(--c-surface-raised);
  color: var(--c-text);
  border: 1px solid var(--c-border);
}

.btn-secondary:hover {
  background: var(--c-surface-hover);
  border-color: var(--c-border-light);
}

/* ── Page Header ── */
.page-header {
  padding: 56px 0 36px;
  position: relative; z-index: 1;
}

.breadcrumb {
  display: flex; align-items: center;
  gap: 8px;
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  margin-bottom: 16px;
}

.breadcrumb a { color: var(--c-text-secondary); text-decoration: none; transition: var(--transition); }
.breadcrumb a:hover { color: var(--c-primary-soft); }
.breadcrumb .sep { color: var(--c-text-muted); }

.page-title {
  font-size: var(--fs-4xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.page-desc {
  font-size: var(--fs-lg);
  color: var(--c-text-secondary);
  max-width: 640px;
}

/* ── FAQ ── */
.faq-section { padding: 24px 0 60px; position: relative; z-index: 1; }

.faq-categories {
  display: flex; flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.faq-cat-btn {
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.faq-cat-btn:hover {
  background: var(--c-surface-hover);
  color: var(--c-text);
  border-color: var(--c-border-light);
}

.faq-cat-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.faq-list {
  display: flex; flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover { border-color: var(--c-border-light); }

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--c-text);
  text-align: left;
  font-family: inherit;
}

.faq-question svg {
  width: 20px; height: 20px;
  color: var(--c-text-muted);
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-question svg { transform: rotate(180deg); color: var(--c-primary-soft); }

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

.faq-item.open .faq-answer { max-height: 1600px; }

.faq-answer-inner {
  padding: 0 24px 22px;
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

.faq-answer-inner a { color: var(--c-primary-soft); text-decoration: none; }
.faq-answer-inner a:hover { text-decoration: underline; }

.faq-answer-inner strong { color: var(--c-text); font-weight: 600; }

/* ── Tutorials ── */
.tutorials-section { padding: 24px 0 60px; position: relative; z-index: 1; }

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

.tutorial-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.tutorial-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-border-light);
  box-shadow: var(--shadow-md);
}

.tutorial-thumb {
  height: 140px;
  background: var(--gradient-card);
  display: flex; align-items: center; justify-content: center;
  font-size: 56px;
}

.tutorial-body { padding: 20px 24px 24px; }

.tutorial-body h3 {
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: 8px;
}

.tutorial-body p {
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
  margin-bottom: 14px;
  line-height: 1.6;
}

.tutorial-meta {
  display: flex; gap: 12px;
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
  margin-bottom: 14px;
}

.tutorial-link {
  display: inline-flex; align-items: center;
  color: var(--c-primary-soft);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: var(--transition);
}

.tutorial-link:hover { gap: 8px; color: var(--c-primary); }

/* ── Contact ── */
.contact-section { padding: 24px 0 60px; position: relative; z-index: 1; }

.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
}

.contact-form-wrap {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--c-text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  color: var(--c-text);
  font-size: var(--fs-sm);
  font-family: inherit;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px var(--c-primary-glow);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info {
  display: flex; flex-direction: column;
  gap: 14px;
}

.contact-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex; align-items: flex-start;
  gap: 14px;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--c-border-light);
  transform: translateY(-2px);
}

.contact-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: rgba(59,130,246,0.1);
  color: var(--c-primary-soft);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.contact-card-icon svg { width: 22px; height: 22px; }

.contact-card-body h3 {
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-card-body p {
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
  margin-bottom: 4px;
}

.contact-card-body a {
  color: var(--c-primary-soft);
  text-decoration: none;
  font-size: var(--fs-sm);
  word-break: break-all;
}

.contact-card-body a:hover { text-decoration: underline; }

.submit-btn { margin-top: 8px; }

/* ── Privacy / Terms content ── */
.privacy-section { padding: 24px 0 60px; position: relative; z-index: 1; }

.privacy-content {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 860px;
  margin: 0 auto;
}

.last-updated {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-border);
}

.privacy-content section { margin-bottom: 32px; }

.privacy-content h2 {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--c-text);
}

.privacy-content h3 {
  font-size: var(--fs-lg);
  font-weight: 600;
  margin: 16px 0 8px;
  color: var(--c-text);
}

.privacy-content p {
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.75;
  margin-bottom: 12px;
}

.privacy-content ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 12px;
}

.privacy-content li {
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.75;
  margin-bottom: 6px;
}

.privacy-content a {
  color: var(--c-primary-soft);
  text-decoration: none;
}

.privacy-content a:hover { text-decoration: underline; }

.privacy-content strong { color: var(--c-text); font-weight: 600; }

/* ── Footer ── */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--c-border);
  background: rgba(5,7,10,0.6);
  padding: 48px 0 24px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 32px;
}

.footer-brand .logo { margin-bottom: 12px; }

.footer-tagline {
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
  margin-bottom: 16px;
}

.social-links {
  display: flex; gap: 12px;
}

.social-links a {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-text-secondary);
  transition: var(--transition);
}

.social-links svg { width: 18px; height: 18px; }

.social-links a:hover {
  color: var(--c-primary-soft);
  border-color: var(--c-border-light);
  background: var(--c-surface-hover);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
  display: flex; flex-direction: column;
  gap: 8px;
}

.footer-col a {
  color: var(--c-text-secondary);
  text-decoration: none;
  font-size: var(--fs-sm);
  transition: var(--transition);
}

.footer-col a:hover { color: var(--c-primary-soft); }

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--c-border);
}

.footer-bottom p {
  font-size: var(--fs-xs);
  color: var(--c-text-muted);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero { padding: 48px 0; }
  .hero-title { font-size: var(--fs-4xl); }
  .hero-subtitle { font-size: var(--fs-3xl); }
  .section-title { font-size: var(--fs-2xl); }
  .cta-content { flex-direction: column; text-align: center; padding: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .privacy-content { padding: 24px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 24px; }
  .page-title { font-size: var(--fs-3xl); }
}

@media (max-width: 480px) {
  .footer-links { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 12px; }
  .stat-divider { display: none; }
  .phone-frame { width: 240px; height: 480px; }
}