:root {
  color-scheme: light;
  --ink: #17223b;
  --muted: #526078;
  --panel: rgba(255, 255, 255, 0.92);
  --line: rgba(23, 34, 59, 0.12);
  --accent: #7157ff;
  --accent-2: #22b98f;
  --bg-a: #e9f8ff;
  --bg-b: #f3ebff;
  --bg-c: #fff4d5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 16%, rgba(113, 87, 255, 0.20), transparent 30%),
    radial-gradient(circle at 82% 22%, rgba(34, 185, 143, 0.22), transparent 32%),
    linear-gradient(135deg, var(--bg-a), var(--bg-b) 48%, var(--bg-c));
}

a {
  color: #315ae8;
  font-weight: 700;
}

.shell {
  width: min(960px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 56px 0;
  display: grid;
  align-content: center;
  gap: 28px;
}

.document {
  align-content: start;
}

.hero,
.card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 24px 70px rgba(23, 34, 59, 0.14);
}

.hero {
  padding: clamp(32px, 7vw, 76px);
}

.card {
  padding: clamp(28px, 5vw, 56px);
}

.topnav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 0 4px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
ul,
dl {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 8vw, 5.6rem);
  line-height: 0.96;
}

.document h1 {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
}

h2 {
  margin: 34px 0 10px;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

h3 {
  margin: 24px 0 8px;
  font-size: 1.08rem;
}

p,
li,
dd {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.65;
}

.lead {
  max-width: 680px;
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
}

.updated {
  color: #748099;
  font-weight: 700;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(23, 34, 59, 0.10);
}

.button.primary {
  border: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
}

ul {
  padding-left: 1.2rem;
}

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

.details div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
}

dt {
  margin-bottom: 6px;
  color: var(--ink);
  font-weight: 900;
}

dd {
  margin: 0;
}

footer {
  padding: 0 8px;
}

footer p {
  margin: 0 0 4px;
  color: var(--ink);
  font-weight: 700;
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 24px, 960px);
    padding: 24px 0;
  }

  .hero,
  .card {
    border-radius: 22px;
  }

  .topnav {
    font-size: 0.95rem;
  }

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

  .button {
    width: 100%;
  }
}