:root {
  color-scheme: light;
  --bg: #f6fbff;
  --surface: #ffffff;
  --ink: #14213d;
  --muted: #5f6f89;
  --line: #d9e8f7;
  --blue: #2787d9;
  --pink: #ff6fae;
  --yellow: #ffd166;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

body {
  margin: 0;
}

a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.nav,
.page {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background:
    radial-gradient(circle at 70% 28%, var(--pink) 0 4px, transparent 5px),
    radial-gradient(circle at 32% 70%, var(--yellow) 0 4px, transparent 5px),
    linear-gradient(135deg, #8bd8ff, var(--blue));
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

.page {
  padding: 42px 0 56px;
}

.hero {
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 7vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

h2 {
  margin: 34px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 23px;
  line-height: 1.28;
  letter-spacing: 0;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 0;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 18px;
  padding-left: 22px;
}

li + li {
  margin-top: 6px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
}

.notice {
  margin: 20px 0 28px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 6px solid var(--yellow);
  border-radius: 8px;
  background: var(--surface);
}

.doc {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.meta {
  display: grid;
  gap: 8px;
  margin: 18px 0 28px;
  color: var(--muted);
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.card h2,
.card h3 {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-inner {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0;
}

@media (max-width: 560px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .doc {
    padding: 20px;
  }
}