:root {
  --bg: #0f1320;
  --panel: #171c2d;
  --text: #edf1ff;
  --muted: #b7c0de;
  --accent: #54e3a6;
  --accent-dark: #33b27d;
  --line: #27304a;
}

* {
  box-sizing: border-box;
}

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

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

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

.container {
  width: min(1040px, 92%);
  margin: 0 auto;
}

.hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(circle at top right, #243056 0%, var(--bg) 60%);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 12px;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin-top: 0;
}

h1 {
  font-size: clamp(30px, 5vw, 48px);
  margin-bottom: 16px;
}

.lead {
  color: var(--muted);
  max-width: 760px;
  margin-bottom: 22px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav a {
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(23, 28, 45, 0.6);
}

.section {
  padding: 58px 0;
}

.section.alt {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

p {
  margin: 0 0 14px;
}

.check-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: #101628;
}

blockquote {
  margin: 18px 0 0;
  padding: 18px;
  border-left: 4px solid var(--accent);
  background: #121a31;
  border-radius: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 12px;
  background: #101628;
}

summary {
  cursor: pointer;
  font-weight: 600;
}

.footer {
  padding: 28px 0 42px;
  color: var(--muted);
  font-size: 14px;
}