:root {
  color-scheme: dark;
  --bg: #101820;
  --surface: #17212b;
  --surface-2: #1d2a35;
  --text: #f4f7fa;
  --muted: #a9b7c6;
  --accent: #21b6d7;
  --success: #37c77f;
  --border: #2b3a46;
}

* {
  box-sizing: border-box;
}

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

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

.site-header,
.site-footer {
  border-bottom: 1px solid var(--border);
  padding: 18px clamp(18px, 4vw, 56px);
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}

.brand {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

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

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

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

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(32px, 6vw, 80px) clamp(18px, 4vw, 56px);
}

.hero {
  display: grid;
  gap: 22px;
  max-width: 760px;
  padding: 40px 0 56px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 5rem);
}

h2 {
  font-size: 1.7rem;
}

p {
  margin: 0 0 16px;
}

.lead {
  color: var(--muted);
  font-size: 1.2rem;
  max-width: 700px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  min-height: 180px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
}

.status {
  color: var(--success);
  font-weight: 700;
}

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

@media (max-width: 680px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }
}