:root {
  color-scheme: dark;
  --background: #0b0b0d;
  --surface: #17181c;
  --surface-raised: #1d1f24;
  --border: #292b31;
  --orange: #ff6a00;
  --text: #ffffff;
  --muted: #a5a5a5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 78% -10%, rgba(255, 106, 0, 0.22), transparent 34rem),
    var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

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

.shell {
  width: min(820px, calc(100% - 40px));
  margin: 0 auto;
  padding: 68px 0 80px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 106, 0, 0.45);
  border-radius: 50%;
  background: rgba(255, 106, 0, 0.12);
  color: var(--orange);
  letter-spacing: -0.04em;
}

h1 {
  max-width: 700px;
  margin: 54px 0 14px;
  font-size: clamp(42px, 8vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.lead {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.updated {
  margin-top: 18px;
  color: #777a82;
  font-size: 13px;
}

.card {
  margin-top: 38px;
  padding: clamp(24px, 5vw, 42px);
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(29, 31, 36, 0.94), rgba(23, 24, 28, 0.94));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

h2 {
  margin: 34px 0 8px;
  font-size: 21px;
  letter-spacing: -0.025em;
}

h2:first-child {
  margin-top: 0;
}

p,
li {
  color: #b7b8bd;
}

ul {
  padding-left: 22px;
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 38px;
}

.action {
  display: block;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  transition: 180ms ease;
}

.action:hover {
  border-color: rgba(255, 106, 0, 0.55);
  transform: translateY(-2px);
}

.action span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 42px;
  color: #777a82;
  font-size: 13px;
}

footer strong {
  color: var(--orange);
}

@media (max-width: 620px) {
  .shell {
    padding-top: 38px;
  }

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

  footer {
    flex-direction: column;
  }
}