:root {
  color-scheme: light;
  --ink: #201d1a;
  --muted: #625c53;
  --paper: #ece4cd;
  --foam: #dce8df;
  --water: #4d9bd0;
  --line: rgba(32, 29, 26, 0.13);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(247, 246, 239, 0.96), rgba(210, 225, 221, 0.95)),
    #f7f6ef;
  font-family: ui-serif, "Songti SC", "Noto Serif CJK SC", Georgia, serif;
}

a {
  color: #236f9f;
}

.shell {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero {
  min-height: 58vh;
  display: grid;
  align-content: center;
  gap: 16px;
}

.mark {
  position: relative;
  width: 104px;
  height: 104px;
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(32, 29, 26, 0.08);
  box-shadow: 0 18px 44px rgba(32, 29, 26, 0.14);
}

.paper {
  position: absolute;
  left: 22px;
  top: 27px;
  width: 62px;
  height: 66px;
  border-radius: 8px;
  background: linear-gradient(180deg, #c5f3ab, #9ddac7);
  transform: rotate(-24deg);
}

.water {
  position: absolute;
  left: -12px;
  right: -12px;
  bottom: -8px;
  height: 48px;
  background: linear-gradient(135deg, rgba(156, 196, 232, 0.12), #0076dd);
  border-radius: 60% 42% 0 0;
}

.eyebrow,
.updated {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

h1 {
  margin: 0;
  font-size: clamp(44px, 8vw, 76px);
  font-weight: 500;
  letter-spacing: 0;
}

h2 {
  margin: 34px 0 12px;
  font-size: 24px;
  font-weight: 500;
}

h3 {
  margin: 22px 0 8px;
  font-size: 17px;
  font-weight: 600;
}

p,
li {
  font-size: 16px;
  line-height: 1.72;
}

.lede {
  margin: 0;
  font-size: 24px;
  color: var(--muted);
}

.copy {
  max-width: 680px;
  margin: 0;
  font-size: 18px;
  line-height: 1.8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.tile {
  min-height: 160px;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px;
  text-decoration: none;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.tile span,
.tile small,
.note {
  color: var(--muted);
}

.tile strong {
  font-size: 26px;
  font-weight: 500;
}

.document {
  max-width: 760px;
}

.document h1 {
  margin-top: 22px;
  font-size: clamp(34px, 7vw, 58px);
}

.back {
  display: inline-block;
  margin-bottom: 8px;
  text-decoration: none;
}

section {
  margin-top: 28px;
}

ul {
  padding-left: 22px;
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 28px, 920px);
    padding: 34px 0;
  }

  .hero {
    min-height: 48vh;
  }

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