:root {
  color-scheme: light;
  --ink: #17222d;
  --muted: #5f6d79;
  --line: #d9e1e7;
  --paper: #f5f7f9;
  --card: #ffffff;
  --accent: #126e82;
  --accent-soft: #e5f2f4;
  --warning: #7a4b00;
  --warning-soft: #fff3d9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.hero {
  padding: 24px 0 32px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.14em;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  letter-spacing: -0.045em;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

h3 {
  margin: 28px 0 8px;
  font-size: 1rem;
}

.lede {
  max-width: 680px;
  margin: 20px 0 24px;
  color: var(--muted);
  font-size: 1.12rem;
}

.notice {
  width: fit-content;
  max-width: 100%;
  padding: 12px 16px;
  border: 1px solid #e7c97f;
  border-radius: 10px;
  background: var(--warning-soft);
  color: var(--warning);
}

.card {
  margin-top: 18px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  box-shadow: 0 8px 30px rgb(23 34 45 / 5%);
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h2 {
  margin-bottom: 0;
}

.endpoint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--accent-soft);
}

.method {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

code {
  color: #0c5362;
  font-size: 0.92em;
}

pre {
  overflow-x: auto;
  margin: 14px 0 0;
  padding: 18px;
  border: 1px solid #263541;
  border-radius: 10px;
  background: #17222d;
  color: #eaf2f5;
  font-size: 0.88rem;
  line-height: 1.55;
}

pre code {
  color: inherit;
  font-size: inherit;
}

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin: 24px 0;
}

.facts div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.facts dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.facts dd {
  margin: 2px 0 0;
  font-weight: 700;
}

.mapping {
  margin-bottom: 0;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  background: #f0f8f9;
}

.muted {
  color: var(--muted);
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

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

@media (max-width: 600px) {
  .shell {
    width: min(100% - 22px, 920px);
    padding-top: 28px;
  }

  .card {
    border-radius: 12px;
  }
}