:root {
  --bg: #0f1115;
  --bg-elevated: #171a21;
  --border: #2a2f3a;
  --text: #edf2ff;
  --muted: #a9b3c7;
  --accent: #58b7ff;
  --accent-2: #3f7cff;
  --max: 860px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(88, 183, 255, 0.16), transparent 30%),
    linear-gradient(180deg, #10131a 0%, var(--bg) 100%);
  color: var(--text);
}

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

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.hero {
  padding: 56px 0 28px;
}

.eyebrow {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid rgba(88, 183, 255, 0.28);
  border-radius: 999px;
  font-size: 13px;
  color: var(--accent);
  background: rgba(88, 183, 255, 0.08);
}

.hero h1 {
  margin: 18px 0 12px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.card {
  background: rgba(23, 26, 33, 0.88);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 0;
}

.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.nav a.primary {
  border-color: rgba(88, 183, 255, 0.24);
  background: linear-gradient(135deg, rgba(88, 183, 255, 0.18), rgba(63, 124, 255, 0.16));
}

.meta {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.content {
  padding: 0 0 56px;
}

.content h2 {
  margin: 28px 0 10px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.content p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}

.content section + section {
  margin-top: 24px;
}

.footer {
  padding: 0 0 64px;
  color: var(--muted);
  font-size: 14px;
}

.footer .card {
  padding: 18px 24px;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 32px;
  }

  .card {
    padding: 20px;
    border-radius: 20px;
  }

  .hero p,
  .content p {
    font-size: 15px;
  }
}