:root {
  --bg: #0a0d13;
  --surface: #11161f;
  --surface-2: #161c28;
  --line: rgba(232, 230, 223, 0.12);
  --line-strong: rgba(232, 230, 223, 0.2);
  --ink: #e8e6df;
  --ink-dim: #a7adba;
  --ink-faint: #737b8c;
  --bronze: #c9a06b;
  --bronze-soft: rgba(201, 160, 107, 0.13);
  --blue: #6da8ff;
  --blue-soft: rgba(109, 168, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:hover {
  color: var(--bronze);
}

:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 4px;
}

.wrap {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 13, 19, 0.92);
  backdrop-filter: blur(14px);
}

.site-header .wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  display: block;
  width: auto;
  height: 34px;
}

.top-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font: 500 12px/1.2 ui-monospace, "SFMono-Regular", Menlo, monospace;
  letter-spacing: 0.04em;
}

.top-links a {
  color: var(--ink-dim);
  text-decoration: none;
}

.top-links a[aria-current="page"] {
  color: var(--bronze);
}

.hero {
  padding: 92px 0 76px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 82% 25%, rgba(109, 168, 255, 0.1), transparent 30%),
    linear-gradient(180deg, rgba(201, 160, 107, 0.04), transparent 70%);
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--bronze);
  font: 500 11px/1.4 ui-monospace, "SFMono-Regular", Menlo, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(44px, 7vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.025em;
}

.hero-copy {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--ink-dim);
  font-size: 18px;
  line-height: 1.75;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 28px;
  color: var(--ink-faint);
  font: 500 12px/1.5 ui-monospace, "SFMono-Regular", Menlo, monospace;
}

.layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 72px;
  align-items: start;
  padding: 72px 0 110px;
}

.toc {
  position: sticky;
  top: 102px;
  border-top: 1px solid var(--line-strong);
  padding-top: 20px;
}

.toc-title {
  margin: 0 0 14px;
  color: var(--bronze);
  font: 500 11px/1.4 ui-monospace, "SFMono-Regular", Menlo, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.toc a {
  display: block;
  padding: 7px 0;
  color: var(--ink-faint);
  font-size: 13px;
  line-height: 1.35;
  text-decoration: none;
}

.document {
  min-width: 0;
}

.document section {
  padding: 0 0 52px;
  margin: 0 0 52px;
  border-bottom: 1px solid var(--line);
}

.document section:last-child {
  margin-bottom: 0;
  border-bottom: 0;
}

.document h2 {
  margin: 0 0 20px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
}

.document h3 {
  margin: 32px 0 12px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.25;
}

.document p,
.document li {
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.78;
}

.document p {
  margin: 0 0 18px;
}

.document ul,
.document ol {
  margin: 14px 0 22px;
  padding-left: 24px;
}

.document li + li {
  margin-top: 8px;
}

.document strong {
  color: var(--ink);
  font-weight: 600;
}

.note {
  margin: 26px 0;
  padding: 20px 22px;
  border: 1px solid rgba(109, 168, 255, 0.25);
  background: var(--blue-soft);
}

.note p:last-child {
  margin-bottom: 0;
}

.contact-card {
  padding: 30px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.contact-card a {
  color: var(--bronze);
  font-size: 18px;
}

.contact-card ul {
  margin-bottom: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--bronze);
  background: var(--bronze);
  color: var(--bg);
  font: 600 12px/1 ui-monospace, "SFMono-Regular", Menlo, monospace;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.button:hover {
  background: transparent;
  color: var(--bronze);
}

.site-footer {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand img {
  width: auto;
  height: 28px;
  opacity: 0.9;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 22px;
}

.footer-links a,
.copyright {
  color: var(--ink-faint);
  font: 500 11px/1.6 ui-monospace, "SFMono-Regular", Menlo, monospace;
  text-decoration: none;
}

.copyright {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

@media (max-width: 820px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .toc {
    position: static;
    columns: 2;
  }

  .toc-title {
    column-span: all;
  }
}

@media (max-width: 620px) {
  .wrap {
    width: min(100% - 32px, 1120px);
  }

  .site-header .wrap {
    min-height: 64px;
  }

  .brand img {
    height: 29px;
  }

  .top-links a:first-child {
    display: none;
  }

  .hero {
    padding: 66px 0 56px;
  }

  .layout {
    padding: 52px 0 80px;
  }

  .toc {
    columns: 1;
  }

  .footer-grid {
    display: grid;
  }

  .footer-links {
    justify-content: flex-start;
  }
}