:root {
  color-scheme: dark;
  --bg: #08090d;
  --surface: #11131a;
  --surface-2: #181b24;
  --text: #f6f7fb;
  --muted: #b7bdcc;
  --dim: #838b9d;
  --line: #2b3140;
  --primary: #66e2ff;
  --accent: #ffca57;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.7;
}

body {
  margin: 0;
}

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

.page {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(102, 226, 255, 0.08), transparent 22rem),
    var(--bg);
}

.wrap {
  width: min(68rem, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(8, 9, 13, 0.82);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
  font-size: 0.92rem;
}

.hero {
  padding: 4rem 0 2.5rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  max-width: 54rem;
  margin: 0;
  font-size: clamp(2.2rem, 8vw, 4.5rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 44rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  border: 1px solid var(--primary);
  border-radius: 0.4rem;
  padding: 0.65rem 1rem;
  background: rgba(102, 226, 255, 0.1);
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.section {
  padding: 2rem 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1.1rem;
  background: var(--surface);
}

.panel h2,
.panel h3 {
  margin-top: 0;
}

h2 {
  margin: 0 0 1rem;
  font-size: 1.45rem;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  letter-spacing: 0;
}

p,
li {
  color: var(--muted);
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.75rem;
  padding: 0;
  list-style: none;
}

.facts li {
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  padding: 0.8rem;
  background: var(--surface-2);
}

.qa {
  border-top: 1px solid var(--line);
  padding: 1.25rem 0;
}

.qa:first-of-type {
  border-top: 0;
}

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  color: var(--dim);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .site-header .wrap {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  .nav {
    justify-content: flex-start;
  }
}