:root {
  --bg: #0b1220;
  --panel: #121a2b;
  --text: #e8eefc;
  --muted: #9fb0d1;
  --line: #25314d;
  --accent: #7cb3ff;
  --accent2: #4e8df5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: linear-gradient(180deg, #0b1220 0%, #0f1728 100%);
  color: var(--text);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(8, 14, 26, 0.7);
  backdrop-filter: blur(8px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.nav nav {
  display: flex;
  gap: 18px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.hero {
  padding: 72px 0 48px;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.05;
  margin: 12px 0 16px;
  max-width: 780px;
}

.lead {
  color: var(--muted);
  max-width: 720px;
  font-size: 18px;
}

.actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  background: transparent;
}

.btn.primary {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent2) 100%);
  color: #06101f;
  border-color: transparent;
  font-weight: 700;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 18px 0 72px;
}

.card {
  background: rgba(18, 26, 43, 0.9);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
}

.card h2 {
  margin-top: 0;
  font-size: 20px;
}

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

.page {
  padding: 56px 0 72px;
  max-width: 820px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-grid > div:last-child {
  display: flex;
  gap: 16px;
  align-items: center;
}

@media (max-width: 800px) {
  .features {
    grid-template-columns: 1fr;
  }

  .nav,
  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }
}