:root {
  color-scheme: light dark;
  --page: #f4f2ed;
  --surface: #ffffff;
  --surface-soft: #ece9e2;
  --ink: #171816;
  --muted: #62645f;
  --line: #d8d5cd;
  --accent: #245f57;
  --accent-ink: #ffffff;
  --warning: #8b4d12;
  --warning-surface: #fff2df;
  --focus: #156de8;
  --radius: 20px;
  --shadow: 0 18px 55px rgb(31 34 30 / 8%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgb(36 95 87 / 10%), transparent 34rem),
    var(--page);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.12em;
}

a:focus-visible,
summary:focus-visible {
  border-radius: 4px;
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  top: 0;
  left: 1rem;
  z-index: 10;
  padding: 0.6rem 0.9rem;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 0 0 10px 10px;
  transform: translateY(-120%);
}

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

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

.site-header {
  padding: 1.25rem 0;
}

.site-header__inner,
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 720;
  text-decoration: none;
}

.brand__mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 11px;
  font-size: 1rem;
  letter-spacing: -0.08em;
}

.site-nav,
.language-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  align-items: center;
}

.site-nav a,
.language-nav a {
  padding: 0.35rem 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

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

.hero {
  padding: clamp(2.5rem, 8vw, 5.8rem) 0 2rem;
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 15ch;
  font-size: clamp(2.35rem, 8vw, 4.8rem);
}

h2 {
  margin-top: 2.6rem;
  font-size: clamp(1.45rem, 4vw, 2rem);
}

h3 {
  margin-top: 1.8rem;
  font-size: 1.12rem;
}

p,
ul,
ol,
dl {
  margin: 0.8rem 0 0;
}

ul,
ol {
  padding-inline-start: 1.35rem;
}

li + li {
  margin-top: 0.45rem;
}

.lede {
  max-width: 64ch;
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.4vw, 1.28rem);
}

.language-nav {
  margin-top: 1.5rem;
}

.language-nav a {
  padding: 0.55rem 0.85rem;
  color: var(--ink);
  background: var(--surface-soft);
  border-radius: 999px;
}

.release-blocker {
  margin: 1.5rem 0 0;
  padding: 1rem 1.1rem;
  color: var(--warning);
  background: var(--warning-surface);
  border: 1px solid color-mix(in srgb, var(--warning) 28%, transparent);
  border-radius: 14px;
  font-weight: 650;
}

.release-blocker:empty {
  display: none;
}

.page-card {
  margin: 1.4rem 0 4rem;
  padding: clamp(1.2rem, 4vw, 3.2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.language-section + .language-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--line);
}

.meta-grid,
.contact-grid,
.route-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.4rem;
}

.meta-item,
.contact-item,
.route-card {
  min-width: 0;
  padding: 1rem;
  background: var(--surface-soft);
  border-radius: 14px;
}

.meta-item dt,
.contact-item dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.meta-item dd,
.contact-item dd {
  margin: 0.25rem 0 0;
  overflow-wrap: anywhere;
  font-weight: 650;
}

.required-field {
  color: var(--warning);
}

.data-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
  padding: 0;
  list-style: none;
}

.data-list li {
  margin: 0;
  padding: 1rem;
  background: var(--surface-soft);
  border-radius: 14px;
}

.data-list strong {
  display: block;
  margin-bottom: 0.25rem;
}

.callout {
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--surface));
  border-radius: 0 12px 12px 0;
}

.route-card {
  display: block;
  color: var(--ink);
  text-decoration: none;
}

.route-card strong {
  display: block;
  font-size: 1.08rem;
}

.route-card span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.page-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  padding: 0 0 2.2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer__inner {
  align-items: flex-start;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .shell {
    width: min(100% - 1.2rem, 880px);
  }

  .site-header__inner,
  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding-top: 2rem;
  }

  .page-card {
    margin-top: 0.7rem;
    border-radius: 16px;
  }

  .meta-grid,
  .contact-grid,
  .route-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #111310;
    --surface: #191c18;
    --surface-soft: #232620;
    --ink: #f2f2ec;
    --muted: #b9bcb3;
    --line: #363a33;
    --accent: #82c8bb;
    --accent-ink: #10231f;
    --warning: #f3bd7a;
    --warning-surface: #332416;
    --shadow: none;
  }

  body {
    background:
      radial-gradient(circle at 10% 0%, rgb(130 200 187 / 10%), transparent 34rem),
      var(--page);
  }
}

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