:root {
  color-scheme: dark;
  --bg: #0f1115;
  --card: #171a21;
  --border: #2a2f3a;
  --fg: #e8eaf0;
  --muted: #9aa3b2;
  --accent: #7cc4ff;
  --accent-fg: #0b1220;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font:
    16px/1.6 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
}

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

.top,
main,
.footer {
  width: min(64rem, 100% - 2rem);
  margin-inline: auto;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
}

.top__nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

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

.top__nav a:hover {
  color: var(--fg);
}

.hero {
  padding: 3rem 0 2rem;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.6rem;
  margin: 0 0 0.75rem;
}

h3 {
  margin: 0 0 0.5rem;
}

.lead {
  font-size: 1.15rem;
  max-width: 44rem;
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1.5rem 0 0.75rem;
}

.button {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  min-height: 44px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
}

.button--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}

.note {
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card p:last-child {
  margin-bottom: 0;
}

.plan .price {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0.25rem 0 0.5rem;
}

.plan .price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--muted);
}

.steps {
  padding-left: 1.25rem;
}

.steps li {
  margin: 0.4rem 0;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2.5rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.doc {
  max-width: 48rem;
  padding: 1rem 0 3rem;
}

.doc h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
}

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