/* =============================================
   kidsreadtheworld.com — 全新视觉: Carbon Cyber
   "午夜碳纤 × 电光琥珀 × 霓虹青"
   Primary: #f59e0b Ambergold
   Secondary: #06b6d4 Electric Cyan  
   Accent: #10b981 Emerald
   Dark: #0a0e17 Deep Carbon
   Card: #111c2e Navy-Carbon
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&display=swap');

:root {
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --secondary: #06b6d4;
  --accent: #10b981;
  --dark-base: #0a0e17;
  --dark-card: #111c2e;
  --dark-elevated: #182542;
  --border-subtle: rgba(245,158,11,0.12);
  --border-glow: rgba(245,158,11,0.25);
  --text-light: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --amber-glow: rgba(245,158,11,0.08);
  --cyan-glow: rgba(6,182,212,0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: cubic-bezier(0.4,0,0.2,1);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--dark-base);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === Carbon Grid Background === */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,158,11,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* === HEADER === */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,14,23,0.85);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(245,158,11,0.08);
  transition: all .35s var(--transition);
}
header.scrolled {
  background: rgba(10,14,23,0.95);
  border-bottom-color: rgba(245,158,11,0.18);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #0a0e17;
  box-shadow: 0 0 20px rgba(245,158,11,0.2);
}
.logo-text {
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, #f59e0b, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-sub {
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 400;
  display: block;
  margin-top: -2px;
  -webkit-text-fill-color: var(--text-dim);
}

nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all .25s var(--transition);
  position: relative;
}
nav a:hover { color: var(--primary); background: var(--amber-glow); }
nav a.active {
  color: var(--primary);
  background: rgba(245,158,11,0.1);
}
nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.header-room {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(245,158,11,0.15), rgba(6,182,212,0.1));
  border: 1px solid var(--border-subtle);
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: all .25s var(--transition);
}
.header-room:hover {
  background: linear-gradient(135deg, rgba(245,158,11,0.25), rgba(6,182,212,0.15));
  border-color: var(--border-glow);
  box-shadow: 0 0 20px rgba(245,158,11,0.1);
}
.header-room .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.3)} }

.menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 22px;
  cursor: pointer;
  padding: 8px;
}
.mobile-menu {
  display: none;
  background: rgba(10,14,23,0.98);
  border-top: 1px solid var(--border-subtle);
  padding: 12px 20px 20px;
}
.mobile-menu a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  padding: 10px 0;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu .m-login {
  display: block;
  margin-top: 12px;
  text-align: center;
  background: linear-gradient(135deg, var(--primary), #d97706);
  color: #0a0e17;
  font-weight: 700;
  padding: 12px;
  border-radius: var(--radius-sm);
  border-bottom: none;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 100px 20px 60px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 40%, rgba(245,158,11,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 60%, rgba(6,182,212,0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 100%, rgba(16,185,129,0.04) 0%, transparent 40%);
  z-index: 0;
}
.hero-grid {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-badge .badge-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse-dot 2s infinite;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero h1 .hl-amber { background: linear-gradient(135deg, #f59e0b, #fbbf24); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero h1 .hl-cyan { background: linear-gradient(135deg, #06b6d4, #22d3ee); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p {
  color: var(--text-muted);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  max-width: 540px;
  margin-bottom: 28px;
  line-height: 1.7;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: all .3s var(--transition);
  background: linear-gradient(135deg, var(--primary), #d97706);
  color: #0a0e17;
  box-shadow: 0 4px 20px rgba(245,158,11,0.25);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245,158,11,0.35);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all .3s var(--transition);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-light);
  cursor: default;
}
.btn-outline:hover {
  background: rgba(245,158,11,0.06);
  border-color: rgba(245,158,11,0.25);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  transition: all .25s var(--transition);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-muted);
}
.btn-ghost:hover { background: var(--amber-glow); border-color: var(--border-subtle); color: var(--primary); }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hero-tags span {
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--text-dim);
}

/* Hero Image Card */
.hero-image-card {
  position: relative;
}
.hero-image-card .img-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(245,158,11,0.12);
  background: var(--dark-card);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px rgba(245,158,11,0.05);
}
.hero-image-card .img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  animation: hero-float 6s ease-in-out infinite;
}
@keyframes hero-float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
.hero-image-card .img-glow {
  position: absolute;
  top: -20px; right: -20px;
  width: 120px; height: 120px;
  background: rgba(245,158,11,0.12);
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}
.hero-image-card .img-glow-2 {
  position: absolute;
  bottom: -30px; left: -30px;
  width: 160px; height: 160px;
  background: rgba(6,182,212,0.08);
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
}

/* === SECTION COMMON === */
.section { padding: 80px 20px; position: relative; }
.section-alt { background: var(--dark-card); }
.section-dark { background: var(--dark-base); }
.section-divider { background: linear-gradient(180deg, var(--dark-base), var(--dark-card), var(--dark-base)); }
.section-inner { max-width: 1200px; margin: 0 auto; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  width: 20px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.25;
}
.section-title .hl { color: var(--primary); }
.section-desc {
  color: var(--text-muted);
  max-width: 640px;
  font-size: 15px;
  line-height: 1.7;
}

/* === TAGLINE BANNER === */
.tagline-bar {
  background: linear-gradient(90deg, rgba(245,158,11,0.08), rgba(6,182,212,0.06), rgba(245,158,11,0.08));
  border-top: 1px solid rgba(245,158,11,0.08);
  border-bottom: 1px solid rgba(245,158,11,0.08);
  text-align: center;
  padding: 18px 20px;
}
.tagline-bar .t-text {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 700;
  letter-spacing: 1px;
}
.tagline-bar .t-text .s1 { color: var(--primary); }
.tagline-bar .t-text .s2 { color: var(--secondary); }
.tagline-bar .t-sub {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* === STATS === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.stat-item {
  text-align: center;
  padding: 24px 12px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  transition: all .3s var(--transition);
}
.stat-item:hover { background: var(--amber-glow); border-color: var(--border-subtle); }
.stat-num {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 13px; color: var(--text-dim); margin-top: 4px; }

/* === CARDS === */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cards-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all .35s var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity .35s var(--transition);
}
.card:hover::before { opacity: 1; }
.card:hover { transform: translateY(-4px); border-color: var(--border-subtle); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 16px;
  background: var(--amber-glow);
  color: var(--primary);
  transition: all .3s var(--transition);
}
.card:hover .card-icon { background: rgba(245,158,11,0.15); transform: scale(1.1) rotate(-3deg); }
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.card .c-num {
  position: absolute;
  top: 16px; right: 20px;
  font-size: 40px;
  font-weight: 900;
  color: rgba(245,158,11,0.06);
  line-height: 1;
}

.card-center {
  text-align: center;
  padding: 32px 24px;
}
.card-center .card-icon { margin: 0 auto 16px; }
.card-center h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.card-center p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* === STEPS TIMELINE === */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.step-item {
  position: relative;
  padding: 28px 20px;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  text-align: center;
  transition: all .3s var(--transition);
}
.step-item:hover { transform: translateY(-3px); border-color: var(--border-subtle); }
.step-item .step-num {
  width: 44px; height: 44px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  background: linear-gradient(135deg, var(--primary), #d97706);
  color: #0a0e17;
}
.step-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.step-item p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }

/* === DOWNLOAD CTA === */
.download-cta {
  border-radius: 24px;
  padding: 60px 40px;
  background: linear-gradient(135deg, #0a0e17 0%, #111c2e 40%, #182542 70%, #0a0e17 100%);
  border: 1px solid rgba(245,158,11,0.12);
  position: relative;
  overflow: hidden;
}
.download-cta::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(245,158,11,0.04) 0%, transparent 50%),
              radial-gradient(circle at 70% 60%, rgba(6,182,212,0.03) 0%, transparent 40%);
  pointer-events: none;
}
.download-cta h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  margin-bottom: 8px;
  position: relative;
}
.download-cta h2 .hl { color: var(--primary); }
.download-cta p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 28px;
  position: relative;
}
.download-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  position: relative;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: all .3s var(--transition);
  background: linear-gradient(135deg, var(--primary), #d97706);
  color: #0a0e17;
}
.download-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(245,158,11,0.25); }
.download-btn.secondary { background: rgba(255,255,255,0.08); color: var(--text-light); }
.download-btn.secondary:hover { background: rgba(255,255,255,0.12); }
.download-btn.ghost { background: transparent; border: 1px solid rgba(255,255,255,0.12); color: var(--text-muted); }
.download-btn.ghost:hover { border-color: var(--primary); color: var(--primary); }

/* === TIMELINE VERTICAL === */
.timeline { max-width: 700px; margin: 0 auto; }
.tl-item {
  display: flex;
  gap: 20px;
  padding-bottom: 28px;
  position: relative;
}
.tl-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 16px; top: 36px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(245,158,11,0.3), transparent);
}
.tl-dot {
  width: 32px; height: 32px;
  min-width: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #d97706);
  color: #0a0e17;
}
.tl-content {
  padding-top: 4px;
}
.tl-content h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.tl-content p { font-size: 13px; color: var(--text-dim); line-height: 1.5; }

/* === COMPARISON === */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.compare-card {
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
  transition: all .3s var(--transition);
}
.compare-card:hover { transform: translateY(-3px); }
.compare-card.vip-gold {
  background: linear-gradient(135deg, rgba(245,158,11,0.06), rgba(245,158,11,0.02));
  border-color: rgba(245,158,11,0.15);
}
.compare-card.vip-platinum {
  background: linear-gradient(135deg, rgba(6,182,212,0.06), rgba(16,185,129,0.02));
  border-color: rgba(6,182,212,0.15);
}
.compare-card .c-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.compare-card.vip-gold .c-label { color: var(--primary); }
.compare-card.vip-platinum .c-label { color: var(--secondary); }
.compare-card h3 { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.compare-card .c-price {
  font-size: 14px; color: var(--text-dim); margin-bottom: 16px;
}
.compare-card ul { list-style: none; padding: 0; }
.compare-card li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  display: flex;
  align-items: center;
  gap: 8px;
}
.compare-card li::before {
  content: '✦';
  color: var(--primary);
  font-size: 10px;
}
.compare-card.vip-platinum li::before { color: var(--secondary); }
.compare-card .c-badge {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.compare-card.vip-gold .c-badge { background: rgba(245,158,11,0.15); color: var(--primary); }
.compare-card.vip-platinum .c-badge { background: rgba(6,182,212,0.15); color: var(--secondary); }

/* === TESTIMONIALS === */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.testi-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .3s var(--transition);
}
.testi-card:hover { border-color: var(--border-subtle); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
.testi-card .t-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #0a0e17;
  margin-bottom: 12px;
}
.testi-card .t-stars { color: var(--primary); font-size: 13px; margin-bottom: 8px; }
.testi-card .t-quote { font-size: 14px; color: var(--text-muted); font-style: italic; line-height: 1.6; }
.testi-card .t-name { font-size: 13px; font-weight: 600; margin-top: 12px; }
.testi-card .t-role { font-size: 11px; color: var(--text-dim); }

/* === FAQ === */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all .3s var(--transition);
}
.faq-item:hover { border-color: var(--border-subtle); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s var(--transition);
  text-align: left;
}
.faq-q:hover { background: var(--amber-glow); }
.faq-q .faq-arrow {
  transition: transform .3s var(--transition);
  color: var(--primary);
  font-size: 14px;
}
.faq-q[aria-expanded="true"] .faq-arrow { transform: rotate(180deg); }
.faq-a {
  display: none;
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.faq-item[open] .faq-a { display: block; }
.faq-item[open] { border-color: var(--border-subtle); }

/* === CONTACT === */
.contact-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 40px 36px;
  text-align: center;
  transition: all .3s var(--transition);
}
.contact-card:hover { border-color: var(--border-subtle); box-shadow: 0 12px 40px rgba(0,0,0,0.2); }
.contact-card .c-icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(6,182,212,0.08));
  color: var(--primary);
}
.contact-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 16px; line-height: 1.6; }
.contact-card .c-tg {
  font-size: 18px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.contact-card .c-room {
  font-size: 14px;
  color: var(--text-dim);
}
.contact-card .c-room .hl { color: var(--primary); font-weight: 700; }
.contact-card .c-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 12px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary), #d97706);
  color: #0a0e17;
  transition: all .3s var(--transition);
}
.contact-card .c-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(245,158,11,0.25); }

/* === BRAND STRIP === */
.brand-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.brand-strip span {
  font-size: 12px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  color: var(--text-dim);
  transition: all .25s var(--transition);
}
.brand-strip span:hover {
  border-color: var(--border-subtle);
  color: var(--primary);
  background: var(--amber-glow);
}

/* === BRIDGE NAV === */
.bridge-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.bridge-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.05);
  color: var(--text-muted);
  transition: all .25s var(--transition);
}
.bridge-nav a:hover {
  border-color: var(--border-subtle);
  color: var(--primary);
  background: var(--amber-glow);
  transform: translateY(-2px);
}

/* === FOOTER === */
footer {
  background: #060910;
  border-top: 1px solid rgba(245,158,11,0.06);
  padding: 50px 20px 30px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand .logo-text { font-size: 20px; }
.footer-brand .logo-sub { font-size: 12px; margin-top: 0; -webkit-text-fill-color: var(--text-dim); }
.footer-brand p { color: var(--text-dim); font-size: 13px; max-width: 300px; margin-top: 12px; line-height: 1.6; }
footer h4 { font-size: 13px; font-weight: 700; color: var(--text-light); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
footer a { display: block; color: var(--text-dim); font-size: 13px; text-decoration: none; padding: 4px 0; transition: color .2s; }
footer a:hover { color: var(--primary); }
.footer-bot {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
}
.footer-bot a { display: inline; color: var(--primary); padding: 0; }

/* === BACK TO TOP === */
#backTop {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #d97706);
  color: #0a0e17;
  border: none;
  font-size: 18px;
  cursor: pointer;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(245,158,11,0.25);
  opacity: 0;
  visibility: hidden;
  transition: all .3s var(--transition);
  transform: translateY(10px);
}
#backTop.show { opacity: 1; visibility: visible; transform: translateY(0); }
#backTop:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(245,158,11,0.35); }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-base); }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--primary), var(--secondary)); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-hover); }
::selection { background: rgba(245,158,11,0.25); color: #fff; }

/* === RESPONSIVE === */
@media(max-width:1023px){
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { min-height: auto; padding-top: 80px; }
  .hero-image-card { order: -1; max-width: 500px; margin: 0 auto; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width:767px){
  nav { display: none; }
  .header-room { display: none; }
  .menu-btn { display: block; }
  .mobile-menu.open { display: block; }
  .cards-3 { grid-template-columns: 1fr; }
  .cards-4 { grid-template-columns: 1fr; }
  .cards-2 { grid-template-columns: 1fr; }
  .cards-6 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .section { padding: 50px 16px; }
  .download-cta { padding: 40px 24px; }
  .brand-strip { gap: 6px; }
  .brand-strip span { font-size: 11px; padding: 4px 12px; }
  .bridge-nav a { font-size: 12px; padding: 8px 16px; }
  .compare-card { padding: 24px 20px; }
  .hero-btns { flex-direction: column; }
  .hero-btns .btn-primary,
  .hero-btns .btn-outline { justify-content: center; }
  .download-btns { flex-direction: column; align-items: center; }
}

/* === REVEAL ANIMATION === */
.reveal { opacity: 0; transform: translateY(30px); transition: all .6s var(--transition); }
.reveal.show { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }
.reveal-delay-5 { transition-delay: .5s; }

/* === LOADING SHIMMER === */
@keyframes shimmer { 0%{background-position:-200px} 100%{background-position:200px} }