:root {
  color-scheme: dark;
  --bg: #080b12;
  --surface: #101622;
  --surface-high: #171f2e;
  --text: #f5f7fb;
  --muted: #a9b1c1;
  --line: rgba(255, 255, 255, 0.11);
  --green: #55f2ae;
  --violet: #ae8cff;
  --blue: #64cbff;
  --warning: #ffd98f;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 9% 4%, rgba(85, 242, 174, 0.09), transparent 28rem),
    radial-gradient(circle at 92% 18%, rgba(174, 140, 255, 0.1), transparent 26rem),
    var(--bg);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-underline-offset: 0.2em;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 20;
  padding: 0.65rem 0.9rem;
  border-radius: 0.65rem;
  color: #06130d;
  background: var(--green);
  font-weight: 750;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

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

.shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.35rem 0 2.5rem;
}

.topbar,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.45rem;
  height: 2.45rem;
  place-items: center;
  border: 1px solid rgba(85, 242, 174, 0.35);
  border-radius: 0.8rem;
  color: var(--green);
  background: rgba(85, 242, 174, 0.08);
  font: 700 0.72rem/1 var(--mono);
  letter-spacing: 0.08em;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.top-nav a {
  padding: 0.55rem 0.7rem;
  border-radius: 0.65rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}

.top-nav a[aria-current="page"],
.top-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.document-header {
  max-width: 840px;
  padding: 6.5rem 0 3rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--green);
  font: 650 0.76rem/1.2 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.document-header h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.6rem);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.lead {
  max-width: 700px;
  margin: 1.7rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.4rem;
  margin-top: 1.7rem;
  color: var(--muted);
  font: 500 0.77rem/1.5 var(--mono);
}

.draft-banner {
  display: grid;
  grid-template-columns: minmax(120px, 0.28fr) 1fr;
  gap: 1.3rem;
  margin: 0 0 2rem;
  padding: 1.15rem 1.3rem;
  border: 1px dashed rgba(255, 217, 143, 0.38);
  border-radius: 1rem;
  color: var(--warning);
  background: rgba(255, 217, 143, 0.055);
}

.draft-banner p {
  margin: 0;
  color: var(--muted);
}

.language-nav {
  position: sticky;
  top: 1rem;
  z-index: 5;
  display: inline-flex;
  gap: 0.25rem;
  margin-bottom: 2rem;
  padding: 0.3rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: rgba(16, 22, 34, 0.9);
  backdrop-filter: blur(14px);
}

.language-nav a {
  padding: 0.55rem 0.8rem;
  border-radius: 0.6rem;
  color: var(--muted);
  font: 600 0.78rem/1 var(--mono);
  text-decoration: none;
}

.language-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.document-layout {
  display: grid;
  grid-template-columns: minmax(180px, 0.31fr) minmax(0, 1fr);
  gap: clamp(2rem, 7vw, 6.5rem);
  align-items: start;
}

.contents {
  position: sticky;
  top: 5.3rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(16, 22, 34, 0.58);
}

.contents strong {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--text);
  font: 650 0.72rem/1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contents a {
  display: block;
  padding: 0.34rem 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.35;
  text-decoration: none;
}

.contents a:hover {
  color: var(--text);
}

.document-body {
  min-width: 0;
}

.language-section + .language-section {
  margin-top: 6rem;
  padding-top: 5rem;
  border-top: 1px solid var(--line);
}

.language-title {
  margin: 0 0 2.4rem;
  color: var(--violet);
  font: 650 0.78rem/1.2 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.policy-section {
  scroll-margin-top: 5rem;
  padding: 0 0 2.4rem;
}

.policy-section + .policy-section {
  padding-top: 2.4rem;
  border-top: 1px solid var(--line);
}

.policy-section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.policy-section h3 {
  margin: 1.5rem 0 0.45rem;
  font-size: 1rem;
}

.policy-section p,
.policy-section li {
  color: #c6ccda;
}

.policy-section p {
  margin: 0.7rem 0;
}

.policy-section ul,
.policy-section ol {
  margin: 0.8rem 0;
  padding-left: 1.35rem;
}

.policy-section li + li {
  margin-top: 0.55rem;
}

.placeholder {
  display: inline;
  padding: 0.08rem 0.3rem;
  border-radius: 0.3rem;
  color: var(--warning);
  background: rgba(255, 217, 143, 0.1);
  font-family: var(--mono);
  font-size: 0.88em;
}

.data-grid,
.help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.data-card,
.help-card,
.contact-card {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(16, 22, 34, 0.65);
}

.data-card h3,
.help-card h3 {
  margin: 0 0 0.35rem;
}

.data-card p,
.help-card p {
  margin: 0;
  font-size: 0.93rem;
}

.home-links a {
  position: relative;
  min-height: 175px;
  color: var(--text);
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease;
}

.home-links a:hover {
  border-color: rgba(255, 255, 255, 0.26);
  transform: translateY(-3px);
}

.home-links a::after {
  content: "↗";
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  color: var(--green);
  font-size: 1.3rem;
}

.home-links h2 {
  margin: 2.8rem 0 0.45rem;
  font-size: 1.65rem;
  letter-spacing: -0.035em;
}

.contact-card {
  margin: 1rem 0;
  border-color: rgba(85, 242, 174, 0.24);
  background: rgba(85, 242, 174, 0.055);
}

.contact-card p {
  margin: 0.35rem 0;
}

.steps {
  list-style: none;
  padding: 0 !important;
  counter-reset: step;
}

.steps li {
  position: relative;
  min-height: 2.4rem;
  padding-left: 3.15rem;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.05rem;
  color: var(--green);
  font: 650 0.75rem/1.8rem var(--mono);
}

.site-note {
  margin-top: 4rem;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--green);
  color: var(--muted);
  background: rgba(85, 242, 174, 0.045);
}

footer {
  margin-top: 5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 500 0.76rem/1.5 var(--mono);
}

@media (max-width: 820px) {
  .document-header {
    padding-top: 4.2rem;
  }

  .document-layout {
    grid-template-columns: 1fr;
  }

  .contents {
    display: none;
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
  }

  .top-nav {
    flex-direction: column;
    align-items: flex-end;
  }

  .draft-banner,
  .data-grid,
  .help-grid {
    grid-template-columns: 1fr;
  }

  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body {
    color: #15171b;
    background: #fff;
  }

  .topbar,
  .language-nav,
  .contents,
  .draft-banner,
  footer {
    display: none;
  }

  .document-header {
    padding-top: 1rem;
  }

  .document-layout {
    display: block;
  }

  .policy-section p,
  .policy-section li,
  .lead {
    color: #282c33;
  }

  .data-card,
  .help-card,
  .contact-card {
    border-color: #d8dbe0;
    background: #fff;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}