:root {
  --bg: #0b0f17;
  --bg-elevated: #121826;
  --border: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --success: #34d399;
  --gradient: linear-gradient(135deg, #0ea5e9 0%, #6366f1 55%, #a855f7 100%);
  --shadow: 0 24px 80px rgba(14, 165, 233, 0.12);
  --radius: 16px;
  --max: 1120px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(11, 15, 23, 0.82);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.05;
  margin: 0 0 1rem;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 38rem;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.panel h3 {
  margin-top: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.stat {
  padding: 1rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}

.stat strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
}

.stat span {
  color: var(--muted);
  font-size: 0.9rem;
}

.section {
  padding: 4rem 0;
}

.section-header {
  max-width: 42rem;
  margin-bottom: 2rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin: 0 0 0.75rem;
}

.section-header p {
  color: var(--muted);
  margin: 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card h3 {
  margin-top: 0;
}

.card p {
  color: var(--muted);
}

.card ul {
  padding-left: 1.1rem;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.step {
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.step-num {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.price-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.price-card.featured {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: var(--shadow);
}

.price-card h3 {
  margin-top: 0;
}

.price {
  font-size: 2.4rem;
  font-weight: 800;
  margin: 0.5rem 0 1rem;
}

.price small {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
}

.price-card ul {
  padding-left: 1.1rem;
  color: var(--muted);
  min-height: 9rem;
}

.docs-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
}

.docs-nav {
  position: sticky;
  top: 5.5rem;
  align-self: start;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.docs-nav a {
  display: block;
  padding: 0.5rem 0;
  color: var(--muted);
}

.docs-nav a:hover {
  color: var(--text);
}

.docs-content h2,
.docs-content h3 {
  scroll-margin-top: 6rem;
}

.callout {
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent);
  background: rgba(56, 189, 248, 0.08);
  border-radius: 0 12px 12px 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 960px) {
  .hero-grid,
  .cards,
  .steps,
  .pricing-grid,
  .docs-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }
}