:root {
  color-scheme: light dark;
  --page: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --text: #1d1d1f;
  --secondary: #5b5b62;
  --line: rgba(60, 60, 67, 0.16);
  --accent: #d65a18;
  --accent-soft: rgba(214, 90, 24, 0.12);
  --warning: #8a4b08;
  --warning-surface: #fff4df;
  --shadow: 0 18px 50px rgba(24, 24, 27, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(244, 134, 73, 0.14), transparent 34rem),
    var(--page);
  color: var(--text);
  font-size: 17px;
  line-height: 1.62;
}

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

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  min-height: 44px;
  padding: 0.55rem 0.85rem;
  transform: translateY(-180%);
  border-radius: 0.7rem;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

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

.site-header,
.site-footer,
main {
  width: min(100% - 2rem, 880px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

.brand {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.site-nav a,
.language-nav a,
.button-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.85rem;
  border-radius: 0.75rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover,
.language-nav a:hover {
  background: var(--accent-soft);
}

.hero {
  padding: clamp(2.75rem, 8vw, 5.5rem) 0 clamp(2rem, 6vw, 4rem);
}

.eyebrow {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.026em;
}

h1 {
  max-width: 17ch;
  margin: 0;
  font-size: clamp(2.25rem, 8vw, 4.5rem);
}

.lede {
  max-width: 42rem;
  margin: 1rem 0 0;
  color: var(--secondary);
  font-size: clamp(1.05rem, 2.8vw, 1.3rem);
}

.language-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 1.5rem;
}

.language-nav a {
  border: 1px solid var(--line);
  background: var(--surface);
}

.document,
.panel {
  margin-bottom: 1.5rem;
  padding: clamp(1.25rem, 4vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.document:target {
  border-color: rgba(214, 90, 24, 0.5);
}

.document h2 {
  margin-top: 0;
  font-size: clamp(1.75rem, 5vw, 2.45rem);
}

.document h3 {
  margin-top: 2rem;
  font-size: 1.18rem;
}

.document h4 {
  margin: 1.4rem 0 0.3rem;
  font-size: 1rem;
}

.document p,
.document li {
  max-width: 68ch;
}

.document ul,
.document ol {
  padding-left: 1.35rem;
}

.meta {
  color: var(--secondary);
  font-size: 0.94rem;
}

.notice {
  margin: 1.4rem 0;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 0.8rem 0.8rem 0;
  background: var(--accent-soft);
}

.placeholder {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border-radius: 0.35rem;
  background: var(--warning-surface);
  color: var(--warning);
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.88em;
  font-weight: 700;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.button-link {
  background: var(--accent);
  color: #ffffff;
}

.button-link.secondary {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--accent);
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--secondary);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0.25rem 0;
}

@media (max-width: 620px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav a {
    flex: 1 1 auto;
  }

  .document,
  .panel {
    border-radius: 1rem;
  }
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --page: #111113;
    --surface: rgba(31, 31, 34, 0.9);
    --surface-strong: #242428;
    --text: #f5f5f7;
    --secondary: #b2b2ba;
    --line: rgba(235, 235, 245, 0.18);
    --accent: #ff9a61;
    --accent-soft: rgba(255, 154, 97, 0.14);
    --warning: #ffd18f;
    --warning-surface: rgba(171, 102, 16, 0.26);
    --shadow: none;
  }
}

@media print {
  body {
    background: #ffffff;
    color: #000000;
  }

  .site-header,
  .language-nav,
  .site-footer,
  .skip-link {
    display: none;
  }

  .document {
    break-inside: avoid;
    border: 0;
    box-shadow: none;
  }
}