:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --text: #e8eaef;
  --muted: #9aa3b2;
  --accent: #3d8bfd;
  --accent-hover: #5c9dff;
  --border: #2a3040;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 17, 23, 0.9);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.5rem;
}

.logo {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero {
  text-align: center;
  padding: 4rem 1.25rem 3rem;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, #1e3a5f 0%, transparent 70%);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 36rem;
  margin: 0 auto 2rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

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

.btn-secondary:hover {
  border-color: var(--muted);
}

.btn-ghost {
  color: var(--muted);
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
}

.btn-ghost:hover {
  color: var(--text);
}

.fine-print {
  font-size: 0.85rem;
  color: var(--muted);
}

.features {
  padding: 3rem 1.25rem 4rem;
}

.features h2 {
  text-align: center;
  margin: 0 0 2rem;
}

.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
}

.grid h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer nav {
  display: flex;
  gap: 1.25rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}