:root {
  --bg: #09090b;
  --bg-alt: #0f0f12;
  --surface: #131316;
  --surface-hover: #1a1a1f;
  --border: #27272a;
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --accent: #0ea5e9;
  --accent-light: #38bdf8;
  --accent-dark: #0284c7;
  --accent-blue: #4f6ef7;
  --accent-blue-light: #6b85fa;
  --radius: 12px;
  --radius-lg: 16px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; }

a { color: var(--accent-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  border-radius: var(--radius);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  text-decoration: none;
  white-space: nowrap;
}
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: var(--accent-light); color: #000; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-light); }
.btn-white { background: #fff; color: var(--bg); }
.btn-white:hover { background: #f0f0f0; color: var(--bg); transform: translateY(-1px); }
.btn-outline-white { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.btn-outline-white:hover { border-color: #fff; color: #fff; }

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(9,9,11,0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo { font-size: 18px; font-weight: 800; color: var(--text); text-decoration: none; }
.logo span { background: linear-gradient(135deg, var(--accent), var(--accent-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: var(--text-muted); font-size: 14px; font-weight: 500; text-decoration: none; }
.nav-links a:hover { color: var(--text); }
.mobile-toggle { display: none; background: none; border: none; color: var(--text); cursor: pointer; }

.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(14,165,233,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 24px;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero h1 {
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.gradient-text {
  background: linear-gradient(135deg, #0284c7, #0ea5e9, #7dd3fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 12px; justify-content: center; margin-bottom: 32px; flex-wrap: wrap; }
.trust-row { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }

.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-header p { color: var(--text-muted); font-size: 16px; max-width: 500px; margin: 0 auto; }

.platforms-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.platform-tile {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.2s, transform 0.2s;
}
.platform-tile:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--text); }
.platform-tile-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.platform-tile-info { flex: 1; min-width: 0; }
.platform-tile-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 2px; }
.platform-tile-info p { font-size: 13px; color: var(--text-muted); }
.platform-tile-price { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.platform-tile-price strong { color: var(--accent-light); font-weight: 700; }

.pricing-table-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
}
.pricing-table-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.pricing-table-icon { display: flex; align-items: center; }
.pricing-table-header h3 { font-size: 18px; font-weight: 700; }
.pricing-table {
  width: 100%;
  border-collapse: collapse;
}
.pricing-table thead { background: rgba(255,255,255,0.02); }
.pricing-table th {
  padding: 12px 24px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.pricing-table td {
  padding: 14px 24px;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.pricing-table tbody tr:last-child td { border-bottom: none; }
.pricing-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.crypto-price { color: var(--accent-light); font-weight: 600; }
.pricing-table td:last-child { text-align: right; }
.pricing-cta {
  text-align: center;
  margin-top: 40px;
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.pricing-cta p { color: var(--text-muted); font-size: 15px; margin-bottom: 20px; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(14,165,233,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent-light);
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step-card p { color: var(--text-muted); font-size: 14px; }

.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item[open] { border-color: rgba(14,165,233,0.3); }
.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 20px; color: var(--text-muted); transition: transform 0.2s; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 24px 20px; color: var(--text-muted); font-size: 14px; line-height: 1.7; }

.cta-section {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, #0284c7, #0ea5e9, #38bdf8);
  text-align: center;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; color: #000; margin-bottom: 12px; }
.cta-content p { color: rgba(0,0,0,0.7); font-size: 16px; margin-bottom: 32px; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-dark { background: #000; color: #fff; }
.btn-dark:hover { background: #1a1a1a; color: #fff; transform: translateY(-1px); }
.btn-outline-dark { background: transparent; color: #000; border: 1px solid rgba(0,0,0,0.3); }
.btn-outline-dark:hover { border-color: #000; color: #000; }

.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-inner { display: grid; grid-template-columns: 1.5fr 3fr; gap: 48px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; margin-top: 12px; line-height: 1.6; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.footer-col a { color: var(--text-muted); font-size: 13px; text-decoration: none; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 16px;
}
.footer-bottom p { color: var(--text-muted); font-size: 13px; text-align: center; }
.footer-bottom a { color: var(--accent-light); }

@media (max-width: 1024px) {
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .navbar .btn-sm { display: none; }
  .mobile-toggle { display: block; }
  .hero { padding: 120px 0 60px; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .platforms-grid, .features-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .trust-row { flex-direction: column; align-items: center; gap: 10px; }
  .pricing-table th, .pricing-table td { padding: 10px 12px; font-size: 13px; }
  .pricing-table th:nth-child(1), .pricing-table td:nth-child(1) { display: none; }
}
@media (max-width: 480px) {
  .footer-links { grid-template-columns: 1fr; }
  .hero-actions, .cta-actions { flex-direction: column; align-items: center; }
  .pricing-table th:nth-child(4), .pricing-table td:nth-child(4) { display: none; }
}
