/* ===== RESET & BASE ===== */

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

:root {
  --primary: #00D4AA;
  --primary-dark: #0EAB87;
  --primary-light: #5FEAC8;
  --bg-dark: #0B0E11;
  --bg-card: #181A20;
  --bg-card2: #2B3139;
  --bg-card-hover: #1E2329;
  --text-primary: #EAECEF;
  --text-secondary: #B7BDC6;
  --text-muted: #848E9C;
  --border: #2B3139;
  --border-highlight: rgba(0, 212, 170, 0.3);
  --green: #0ECB81;
  --red: #F6465D;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --glow: 0 0 40px rgba(0, 212, 170, 0.08);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(0, 212, 170, 0.03), transparent 30%),
    radial-gradient(circle at 85% 30%, rgba(0, 212, 170, 0.02), transparent 30%),
    radial-gradient(circle at 50% 90%, rgba(0, 212, 170, 0.01), transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.01) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 40px 40px, 40px 40px;
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }

/* ===== LAYOUT ===== */
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: 1.4rem; font-weight: 700; }
.section-title { text-align: center; margin-bottom: 20px; }
.section-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 56px; font-size: 1.1rem; max-width: 700px; margin-inline: auto; }
.text-gold {
  color: var(--primary);
}
.text-green { color: var(--green); }
.badge {
  display: inline-block;
  background: rgba(0, 212, 170,0.12);
  color: var(--primary);
  border: 1px solid rgba(0, 212, 170,0.3);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.1);
  transition: all var(--transition);
  text-decoration: none;
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--primary);
  color: #181A20;
  border-color: transparent;
  font-weight: 600;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.btn-outline {
  background: rgba(255,255,255,0.03);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 0 16px rgba(0, 212, 170, 0.15);
}
.btn-lg { padding: 16px 36px; font-size: 1.1rem; border-radius: 12px; }

/* ===== NAVBAR ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
}
#navbar {
  background: rgba(9,9,11,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}
.nav-logo span { color: var(--primary); }

.logo-icon {
  width: 32px;
  height: 32px;
  background: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' fill='none'><g stroke='%2300D4AA' stroke-width='4.5' stroke-linecap='round' stroke-linejoin='round' fill='none'><path d='M7 9 V25'/><path d='M7 25 L25 9'/><path d='M25 9 V25'/></g><circle cx='25' cy='6' r='2.8' fill='%23C8A85B'/></svg>") no-repeat center center;
  background-size: contain;
  display: inline-block;
  color: transparent;
  font-size: 0;
  border-radius: 0;
  margin-right: 2px;
  filter: drop-shadow(0 4px 12px rgba(0, 212, 170, 0.35));
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text-primary); }

/* Language Selector */
.lang-selector { position: relative; }
.lang-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}
.lang-btn:hover { border-color: var(--primary); color: var(--text-primary); }
.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: rgba(24, 24, 27, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 12px;
  min-width: 150px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  z-index: 1001;
  padding: 0;
}
.lang-dropdown.active { max-height: 300px; padding: 6px 0; }
.lang-dropdown a {
  display: block;
  padding: 9px 16px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all 0.15s;
}
.lang-dropdown a:hover { background: rgba(0, 212, 170, 0.1); color: var(--primary); }
.lang-dropdown a.active-lang { color: var(--primary); font-weight: 600; }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
#hero {
  min-height: calc(100vh - 100px);
  display: flex;
  align-items: center;
  padding-top: 20px;
  padding-bottom: 40px;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 212, 170, 0.05) 0%, transparent 60%);
  position: relative;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  top: -200px; right: -100px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
  filter: blur(80px);
  animation: orb-float 12s ease-in-out infinite;
}
#hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  bottom: -100px; left: -50px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.05) 0%, transparent 70%);
  filter: blur(60px);
  animation: orb-float 15s ease-in-out infinite reverse;
}
@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.1); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
}
.hero-eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.hero-eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.6;transform:scale(1.3)} }
.hero-eyebrow-text { font-size: 0.85rem; color: var(--text-secondary); }
.hero-title { margin-bottom: 20px; }
.hero-desc { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 36px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 36px; }
.stat { }
.stat-num { font-size: 1.6rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }

.hero-card {
  background: rgba(18, 18, 22, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 212, 170, 0.25);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 0 40px rgba(0, 212, 170, 0.1), inset 0 1px 0 rgba(255,255,255,0.05);
  animation: float-glow 6s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 10%, var(--primary) 50%, transparent 90%);
  opacity: 0.7;
}
@keyframes float-glow { 
  0%, 100% { transform: translateY(0); box-shadow: 0 0 40px rgba(0, 212, 170, 0.1); border-color: rgba(0, 212, 170, 0.2); } 
  50% { transform: translateY(-12px); box-shadow: 0 20px 60px rgba(0, 212, 170, 0.15); border-color: rgba(0, 212, 170, 0.4); } 
}
.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.market-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.market-item:last-child { border-bottom: none; }
.coin-info { display: flex; align-items: center; gap: 12px; }
.coin-icon {
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.75rem; position: relative;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.coin-icon.btc { background: linear-gradient(135deg, rgba(247,147,26,0.25), rgba(247,147,26,0.1)); color: #f7931a; border: 1px solid rgba(247,147,26,0.3); }
.coin-icon.eth { background: linear-gradient(135deg, rgba(98,126,234,0.25), rgba(98,126,234,0.1)); color: #627eea; border: 1px solid rgba(98,126,234,0.3); }
.coin-icon.bnb { background: linear-gradient(135deg, rgba(0,212,170,0.25), rgba(0,212,170,0.1)); color: var(--primary); border: 1px solid rgba(0,212,170,0.3); }
.coin-name { font-weight: 600; font-size: 0.95rem; }
.coin-full { font-size: 0.78rem; color: var(--text-muted); }
.coin-price { text-align: right; }
.price-val { font-weight: 600; font-variant-numeric: tabular-nums; }
.price-chg { font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.chg-up { color: var(--green); }
.chg-dn { color: var(--red); }

/* ===== AFFILIATE DISCLOSURE ===== */
.disclosure-bar {
  background: rgba(0, 212, 170, 0.08);
  border-bottom: 1px solid rgba(0, 212, 170, 0.15);
  padding: 10px 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.disclosure-bar a { color: var(--primary); font-weight: 600; }

/* ===== TRUST STRIP ===== */
.trust-strip {
  background: linear-gradient(180deg, rgba(24, 24, 27, 0.5), rgba(24, 24, 27, 0.2));
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
  position: relative;
}
.trust-strip::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,170,0.2), transparent);
}
.trust-items {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.2s ease;
}
.trust-item:hover { color: var(--text-primary); }
.trust-item a { color: inherit; font-weight: 600; }
.trust-item a:hover { color: var(--primary); }
.trust-icon { color: var(--primary); font-size: 1.2rem; }

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  box-shadow: 0 4px 24px -1px rgba(0,0,0,0.2);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,170,0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover {
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}
.card:hover::before { opacity: 1; }
.card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.15), rgba(0, 180, 220, 0.08));
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(0, 212, 170, 0.1);
  transition: all var(--transition);
}
.card-icon svg { width: 28px; height: 28px; }
.card:hover .card-icon {
  transform: scale(1.1) rotate(-3deg);
  box-shadow: 0 6px 24px rgba(0, 212, 170, 0.2);
  border-color: rgba(0, 212, 170, 0.4);
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-secondary); font-size: 0.95rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ===== REVIEW SECTION ===== */
.review-hero {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 4px 24px -1px rgba(0,0,0,0.2);
}
.review-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.exchange-brand { display: flex; align-items: center; gap: 16px; }
.exchange-logo {
  width: 68px;
  height: 68px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: 900;
  font-size: 1.3rem;
  box-shadow: 0 8px 24px rgba(0, 212, 170, 0.25);
  position: relative;
}
.exchange-logo::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0,212,170,0.4), transparent, rgba(0,212,170,0.2));
  z-index: -1;
  filter: blur(8px);
}
.exchange-name h3 { font-size: 1.6rem; margin-bottom: 4px; }
.exchange-name p { color: var(--text-secondary); }
.rating-box { text-align: center; padding: 16px 24px; background: rgba(0,212,170,0.04); border: 1px solid rgba(0,212,170,0.15); border-radius: 16px; }
.rating-score { font-size: 3rem; font-weight: 700; background: linear-gradient(135deg, var(--primary), #7efbda); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.rating-stars { color: var(--primary); font-size: 1.1rem; margin: 4px 0; }
.rating-count { font-size: 0.8rem; color: var(--text-muted); }
.review-pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pros, .cons { background: var(--bg-card2); border-radius: 10px; padding: 20px; }
.pros h4 { color: var(--green); margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.cons h4 { color: var(--red); margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.pros-cons-list { list-style: none; }
.pros-cons-list li { padding: 5px 0; font-size: 0.9rem; color: var(--text-secondary); display: flex; align-items: flex-start; gap: 8px; }
.pros-cons-list li::before { flex-shrink: 0; margin-top: 3px; }
.pros .pros-cons-list li::before { content: '✓'; color: var(--green); }
.cons .pros-cons-list li::before { content: '✗'; color: var(--red); }

/* ===== FEATURES TABLE ===== */
.feature-table { width: 100%; border-collapse: collapse; }
.feature-table th {
  background: linear-gradient(180deg, var(--bg-card2), rgba(24,24,27,0.4));
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.feature-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); font-size: 0.95rem; transition: all 0.2s ease; }
.feature-table tr:last-child td { border-bottom: none; }
.feature-table tr:hover td { background: rgba(0, 212, 170, 0.03); }
.feature-table tr:first-child:hover td { background: rgba(0, 212, 170, 0.06); }
.table-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,0.15); }

/* ===== STEPS ===== */
.steps { display: flex; flex-direction: column; gap: 24px; }
.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
}
.step:hover {
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  transform: translateX(4px);
  box-shadow: var(--glow);
}
.step-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 212, 170, 0.3);
}
.step-body h4 { margin-bottom: 6px; }
.step-body p { color: var(--text-secondary); font-size: 0.95rem; }
.step-tip {
  margin-top: 8px;
  background: rgba(0, 212, 170,0.06);
  border-left: 3px solid var(--primary);
  padding: 8px 12px;
  border-radius: 0 6px 6px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.08) 0%, rgba(0, 100, 200, 0.04) 50%, rgba(0, 212, 170, 0.02) 100%);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-highlight);
  border-radius: 24px;
  padding: 72px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glow);
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% -20%, rgba(0, 212, 170, 0.12), transparent 70%),
    radial-gradient(circle at 80% 80%, rgba(100, 120, 255, 0.06), transparent 50%);
}
.cta-section::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,170,0.5), transparent);
}
.cta-section h2, .cta-section p, .cta-section .cta-actions, .cta-section .cta-note, .cta-section .risk-box, .cta-section .badge { position: relative; z-index: 1; }
.cta-section h2 { margin-bottom: 16px; }
.cta-section p { color: var(--text-secondary); margin-bottom: 32px; font-size: 1.05rem; max-width: 540px; margin-inline: auto; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-note { margin-top: 16px; font-size: 0.82rem; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); backdrop-filter: blur(12px); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { border-color: rgba(255,255,255,0.15); }
.faq-q {
  padding: 18px 24px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
}
.faq-q:hover { background: rgba(255,255,255,0.03); }
.faq-arrow { transition: transform var(--transition); color: var(--primary); font-size: 1.2rem; }
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}
.faq-item.open .faq-a { max-height: 400px; padding: 0 24px 18px; }

/* ===== AUTHOR ===== */
.author-box {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}
.author-box:hover {
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}
.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #e0790a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}
.author-name { font-weight: 700; font-size: 1.15rem; margin-bottom: 4px; }
.author-title { color: var(--primary); font-size: 0.85rem; margin-bottom: 10px; }
.author-bio { color: var(--text-secondary); font-size: 0.92rem; }
.author-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.author-badge {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===== RISK WARNING ===== */
.risk-box {
  background: rgba(246,70,93,0.06);
  border: 1px solid rgba(246,70,93,0.25);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.risk-box strong { color: var(--red); }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-secondary); }

/* ===== FOOTER ===== */
#footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; margin-top: 16px; line-height: 1.8; max-width: 300px; }
.footer-col h4 { color: var(--text-primary); font-size: 0.95rem; margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--text-muted); font-size: 0.88rem; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-disclaimer { font-size: 0.78rem; color: var(--text-muted); max-width: 700px; line-height: 1.8; }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; }

/* ===== ARTICLE CONTENT ===== */
.article-content h2 { margin: 36px 0 14px; font-size: 1.5rem; }
.article-content h3 { margin: 28px 0 12px; font-size: 1.2rem; }
.article-content p { color: var(--text-secondary); margin-bottom: 16px; }
.article-content ul, .article-content ol { padding-left: 24px; color: var(--text-secondary); margin-bottom: 16px; }
.article-content li { margin-bottom: 8px; }
.article-content .callout {
  background: rgba(0, 212, 170,0.06);
  border-left: 3px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 20px 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.article-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.86rem;
  margin: 18px 0 0;
}
.toc-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 36px;
}
.toc-box h2 {
  font-size: 1.15rem;
  margin-bottom: 14px;
}
.toc-box ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
  padding-left: 22px;
  color: var(--text-secondary);
}
.toc-box a { color: var(--text-secondary); }
.toc-box a:hover { color: var(--primary); }
.source-list {
  background: rgba(240, 185, 11, 0.06);
  border: 1px solid rgba(240, 185, 11, 0.22);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 24px 0;
}
.source-list h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}
.source-list ul {
  padding-left: 20px;
  color: var(--text-secondary);
  line-height: 1.9;
}
.source-list p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 10px;
}
.editor-note {
  background: rgba(0, 212, 170, 0.06);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 24px 0;
}
.editor-note strong { color: var(--primary); }
.next-reading {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding-top: 24px;
}
.next-reading .grid-3 { margin-top: 18px; }
.article-content .checklist li::marker { color: var(--primary); }

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 72px 0 56px;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(0, 212, 170, 0.1) 0%, transparent 70%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  top: -250px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}
.page-header h1 { position: relative; }
.page-header p { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; margin: 16px auto 0; position: relative; }
.page-header .badge { position: relative; }

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.inline-icon { display: inline-flex; align-items: center; justify-content: center; vertical-align: middle; margin: 0 4px; }
.inline-icon svg { width: 1.1em; height: 1.1em; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-48 { margin-bottom: 48px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-16 { gap: 16px; }

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-card { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .toc-box ol { grid-template-columns: 1fr; }
  .review-pros-cons { grid-template-columns: 1fr; }
  .review-header { flex-direction: column; }
  .author-box { flex-direction: column; }
  .nav-links { display: none; }
  .nav-cta .btn { display: none; }
  .nav-cta { gap: 8px; }
  .hamburger { display: flex; }
  .mobile-menu {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    gap: 16px;
  }
  .mobile-menu a { color: var(--text-secondary); font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn-lg { padding: 14px 24px; font-size: 1rem; }
  .cta-section { padding: 40px 20px; }
  .review-hero { padding: 24px; }
  .hero-stats { gap: 20px; }
  .hero-stats .stat-num { font-size: 1.3rem; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}

/* ===== PRINT ===== */
@media print {
  body { background: #fff; color: #000; }
  .disclosure-bar, #navbar, .hamburger, .btn, .cta-section, .hero-card { display: none !important; }
  .card, .review-hero, .step, .author-box, .risk-box, .table-wrap { border: 1px solid #ccc; background: #fff; }
  a { color: #000; text-decoration: underline; }
  #footer { background: #fff; border-top: 1px solid #ccc; }
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== ANCHOR OFFSET (for sticky header) ===== */
[id] { scroll-margin-top: 70px; }

/* ===== FOCUS STYLES ===== */
a:focus-visible, .btn:focus-visible, .faq-q:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* === Hero promo pill (20% Binance fee discount affiliate hook) === */
.hero-perk-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  margin: 18px 0 22px 0;
  background: linear-gradient(135deg, rgba(255,193,7,0.18), rgba(255,193,7,0.08));
  border: 1px solid rgba(255,193,7,0.45);
  border-radius: 12px;
  color: #FFC107;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 8px rgba(255,193,7,0.12);
  max-width: 100%;
  line-height: 1.5;
  box-sizing: border-box;
}
.hero-perk-pill .hero-perk-icon {
  color: #FFC107;
  font-size: 0.7em;
  display: inline-block;
}
.hero-perk-pill strong {
  color: #FFD54F;
  font-weight: 800;
}
.hero-perk-pill sup {
  font-size: 0.7em;
  margin-left: 1px;
  color: #FFC107;
}
@media (max-width: 640px) {
  .hero-perk-pill {
    font-size: 0.95rem;
    padding: 9px 16px;
  }
}