:root {
  color-scheme: light dark;
  --background: #fbf7f1;
  --surface: #ffffff;
  --surface-muted: #f3ede4;
  --text: #1d1a16;
  --text-muted: #6a6259;
  --accent: #a34a22;
  --accent-ink: #ffffff;
  --border: #e3dacd;
  --focus: #2f6b4f;
  --shadow: 0 18px 50px rgb(74 55 39 / 10%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #131211;
    --surface: #23211e;
    --surface-muted: #1c1a18;
    --text: #f2eee8;
    --text-muted: #a69e93;
    --accent: #e8874f;
    --accent-ink: #131211;
    --border: #322e2a;
    --focus: #74c79b;
    --shadow: 0 18px 50px rgb(0 0 0 / 28%);
  }
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  min-width: 280px;
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 0.35rem;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  min-height: 44px;
  padding: 0.6rem 0.9rem;
  border-radius: 0.65rem;
  background: var(--text);
  color: var(--background);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(100% - 2rem, 760px);
  margin-inline: auto;
}

.site-header {
  padding-block: 1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 52px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 0.75rem;
  border-radius: 0.75rem;
  color: var(--text-muted);
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:first-child {
  margin-right: auto;
  color: var(--text);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.site-nav a[aria-current="page"] {
  background: var(--surface-muted);
  color: var(--text);
}

main {
  padding-block: clamp(2.5rem, 8vw, 5.5rem) 4rem;
}

.hero {
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-block: 0;
  color: var(--text);
  line-height: 1.18;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 17ch;
  font-size: clamp(2.2rem, 8vw, 4.5rem);
}

.document h1 {
  font-size: clamp(2.15rem, 7vw, 3.65rem);
}

h2 {
  margin-top: 2.6rem;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
}

h3 {
  margin-top: 1.5rem;
  font-size: 1.08rem;
}

p,
ul {
  margin-block: 0.85rem 0;
}

ul {
  padding-left: 1.35rem;
}

li + li {
  margin-top: 0.55rem;
}

.lede {
  max-width: 58ch;
  margin-top: 1.1rem;
  color: var(--text-muted);
  font-size: clamp(1.08rem, 3vw, 1.25rem);
}

.meta {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.actions,
.card-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface-muted);
}

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

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0.7rem 1rem;
  border-radius: 0.75rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 750;
  text-align: center;
  text-decoration: none;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 700;
}

.document {
  padding: clamp(1.35rem, 5vw, 2.5rem);
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.notice {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  border-radius: 0.25rem 0.8rem 0.8rem 0.25rem;
  background: var(--surface-muted);
}

.notice p:first-child,
.card p:first-child {
  margin-top: 0;
}

.site-footer {
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 1rem;
}

.footer-row p {
  margin: 0;
  margin-right: auto;
}

.footer-row a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

@media (max-width: 540px) {
  .shell {
    width: min(100% - 1.25rem, 760px);
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .site-nav a {
    padding-inline: 0.55rem;
  }

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

@media (prefers-contrast: more) {
  .hero,
  .document,
  .card {
    border-width: 2px;
  }

  a {
    text-decoration-thickness: 0.14em;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}