* {
  box-sizing: border-box;
}

:root {
  --bg: #060914;
  --surface: #101827;
  --text: #f8fafc;
  --muted: #a9b4c7;
  --primary: #38bdf8;
  --accent: #f59e0b;
  --border: rgba(255, 255, 255, 0.12);
  --radius: 28px;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.2), transparent 32%),
    linear-gradient(180deg, #060914, #101827);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

.tag {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 950px;
  margin-bottom: 22px;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 780px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 1.15rem;
}

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

.button {
  min-height: 56px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
}

.button.primary {
  background: var(--primary);
  color: #06111f;
}

.button.secondary {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
}

.grid {
  margin: 64px 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.grid article,
.section {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.065);
}

.grid strong {
  display: block;
  color: var(--accent);
  font-size: 2rem;
  line-height: 1;
}

.grid span {
  color: var(--muted);
  font-weight: 800;
}

.section {
  margin-bottom: 22px;
}

.links {
  display: grid;
  gap: 12px;
}

.links a,
.checklist li,
.versions li {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
}

.links a {
  color: var(--primary);
  font-weight: 900;
  text-decoration: none;
}

.checklist,
.versions {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
  color: var(--muted);
  font-weight: 800;
}

@media (max-width: 760px) {
  .page {
    width: min(100% - 24px, 1120px);
    padding: 46px 0;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .actions,
  .button {
    width: 100%;
  }
}