:root {
  --bg-deep: #faf8f5;
  --bg-surface: #ffffff;
  --bg-elevated: #f0f4f8;
  --bg-glass: rgba(255, 255, 255, 0.88);
  --bg-mint: #eef6f9;
  --bg-dark: #0b2535;
  --bg-dark-mid: #123347;
  --accent-primary: #0e7490;
  --accent-secondary: #0891b2;
  --accent-mint: #67e8f9;
  --accent-amber: #f97316;
  --accent-coral: #fb923c;
  --accent-cyan: #0891b2;
  --accent-cyan-dim: rgba(8, 145, 178, 0.1);
  --accent-violet: #0e7490;
  --accent-lime: #14b8a6;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-on-dark: #f0f9ff;
  --text-on-dark-muted: #bae6fd;
  --border-glass: rgba(8, 145, 178, 0.2);
  --border-subtle: rgba(15, 23, 42, 0.08);
  --glow-cyan: 0 8px 32px rgba(8, 145, 178, 0.25);
  --glow-violet: 0 8px 40px rgba(14, 116, 144, 0.2);
  --shadow-card: 0 2px 16px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 16px 48px rgba(15, 23, 42, 0.12);
  --font-heading: 'Fraunces', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --container-max: 1180px;
  --header-height: 76px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(8, 145, 178, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse 50% 35% at 0% 100%, rgba(249, 115, 22, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-primary);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5.5vw, 3.75rem); }
h2 { font-size: clamp(1.875rem, 4vw, 2.875rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p { color: var(--text-secondary); }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
  position: relative;
  z-index: 1;
}

.section--mint {
  background: var(--bg-mint);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 14px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  max-width: 580px;
  font-size: 1.0625rem;
  margin-bottom: 48px;
  line-height: 1.7;
}

.glass-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-secondary), var(--accent-amber));
  opacity: 0;
  transition: opacity var(--transition);
}

.glass-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 32px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-amber) 0%, #ea580c 100%);
  color: #ffffff;
  box-shadow: 0 6px 24px rgba(249, 115, 22, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(249, 115, 22, 0.45);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--text-on-dark);
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  color: #ffffff;
}

.btn-outline--light {
  color: var(--accent-primary);
  border-color: var(--accent-secondary);
}

.btn-outline--light:hover {
  background: var(--accent-cyan-dim);
  color: var(--accent-primary);
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(103, 232, 249, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.ad-banner {
  background: var(--bg-dark);
  border-bottom: none;
  text-align: center;
  padding: 7px 16px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  position: relative;
  z-index: 100;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .container { padding: 0 16px; }
}