:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-strong: #eef4f8;
  --ink: #14212b;
  --muted: #5a6875;
  --line: #d8e2eb;
  --accent: #176d9c;
  --accent-strong: #0d4f75;
  --accent-soft: #e8f4fa;
  --success: #287a48;
  --warning: #95630d;
  --code-bg: #101923;
  --code-ink: #e2edf5;
  --shadow: 0 18px 44px rgba(23, 45, 68, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.58;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(23, 109, 156, 0.32);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 7px;
  color: #fff;
  background: var(--accent-strong);
}

.skip-link:focus {
  top: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-group {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand:hover {
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 7px;
  color: #fff;
  background: var(--accent);
  font-size: 17px;
}

.repo-stars {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: #33424f;
  background: var(--surface);
  font-size: 13px;
  font-weight: 750;
  line-height: 1;
}

.repo-stars:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links a {
  min-height: 38px;
  padding: 8px 10px;
  border-radius: 7px;
  color: #33424f;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
  text-decoration: none;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 7px;
  font-weight: 750;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 140ms ease, border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.button {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 10px 22px rgba(23, 109, 156, 0.18);
}

.button:hover {
  color: #fff;
  background: var(--accent-strong);
  text-decoration: none;
  transform: translateY(-1px);
}

.button-secondary {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
}

.button-secondary:hover {
  color: var(--ink);
  border-color: #aebdca;
  box-shadow: 0 10px 22px rgba(23, 45, 68, 0.08);
  text-decoration: none;
  transform: translateY(-1px);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 640px;
  background:
    linear-gradient(90deg, rgba(247, 249, 252, 0.98) 0%, rgba(247, 249, 252, 0.9) 54%, rgba(247, 249, 252, 0.74) 100%),
    linear-gradient(135deg, #eaf3f8 0%, #f7f9fc 44%, #edf4f8 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -18% -32% 42%;
  height: 520px;
  background: radial-gradient(circle, rgba(23, 109, 156, 0.13), transparent 64%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(360px, 1.04fr);
  gap: 42px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 76px 24px 80px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--success);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  margin: 20px 0 0;
  color: #3b4a56;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.terminal-line {
  display: inline-flex;
  max-width: 100%;
  margin-top: 28px;
  padding: 13px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 7px;
  color: var(--code-ink);
  background: var(--code-bg);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 13px;
  overflow-wrap: anywhere;
}

main :not(pre) > code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #edf3f7;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.92em;
}

.hero-panel {
  border: 1px solid rgba(188, 210, 224, 0.86);
  border-radius: 8px;
  background: #132332;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  color: #e9f6fb;
  border-bottom: 1px solid #274153;
  font-size: 13px;
  font-weight: 750;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #bdebd8;
  font-size: 12px;
}

.status-dot::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #2ed198;
}

.hero-panel-body {
  padding: 16px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stat {
  min-height: 86px;
  padding: 12px;
  border: 1px solid #274153;
  border-radius: 7px;
  background: #172c3d;
}

.stat span {
  display: block;
  color: #86b8ce;
  font-size: 12px;
}

.stat strong {
  display: block;
  margin-top: 8px;
  color: #ffffff;
  font-size: 18px;
  line-height: 1.2;
}

.event-table {
  margin-top: 14px;
  border: 1px solid #274153;
  border-radius: 7px;
  overflow: hidden;
}

.completion-preview {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid #274153;
  border-radius: 7px;
  background: #172c3d;
}

.completion-bar {
  height: 10px;
  border-radius: 999px;
  background: #0f1c28;
  overflow: hidden;
}

.completion-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #8bd9e7;
}

.completion-text {
  margin-top: 8px;
  color: #cfe1eb;
  font-size: 12px;
}

.event-row {
  display: grid;
  grid-template-columns: 72px 76px 86px minmax(0, 1fr);
  gap: 12px;
  padding: 9px 10px;
  color: #cfe1eb;
  border-top: 1px solid #274153;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
}

.event-row:first-child {
  border-top: 0;
  color: #8bd9e7;
}

.hero-note {
  margin: 14px 0 0;
  color: #b8cad5;
  font-size: 13px;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 24px;
}

.section.compact {
  padding-top: 36px;
}

.section.nested {
  padding-left: 0;
  padding-right: 0;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section h2 {
  margin: 0 0 12px;
  font-size: 34px;
  line-height: 1.1;
}

.section-intro {
  max-width: 780px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 17px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 176px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(36, 54, 70, 0.05);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

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

.status-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.status-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
}

.status-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: start;
}

.code-panel {
  margin: 0;
  padding: 18px;
  border-radius: 8px;
  color: var(--code-ink);
  background: var(--code-bg);
  overflow-x: auto;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 13px;
}

.docs-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 34px 24px 80px;
}

.sidebar {
  position: sticky;
  top: 82px;
  align-self: start;
  max-height: calc(100vh - 106px);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow-y: auto;
}

.sidebar h2 {
  margin: 0 0 12px;
  font-size: 16px;
}

.sidebar-group {
  margin-top: 15px;
  color: var(--success);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar a {
  display: block;
  padding: 8px 0;
  color: #394855;
  font-size: 14px;
  border-top: 1px solid #edf1f4;
}

.sidebar a:hover {
  color: var(--accent-strong);
}

.doc-content {
  min-width: 0;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.doc-content h1 {
  font-size: 42px;
  line-height: 1.12;
}

.doc-content h2 {
  margin-top: 38px;
  padding-top: 8px;
  font-size: 27px;
}

.doc-content h3 {
  margin-top: 28px;
}

.doc-content p,
.doc-content li {
  color: #354553;
}

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
}

.doc-content th,
.doc-content td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.doc-content th {
  background: var(--surface-strong);
}

.doc-content pre {
  padding: 18px;
  border-radius: 8px;
  color: var(--code-ink);
  background: var(--code-bg);
  overflow-x: auto;
}

.doc-content code {
  font-family: "Cascadia Code", Consolas, monospace;
}

.doc-content :not(pre) > code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #edf3f7;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.doc-card {
  display: block;
  min-height: 124px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.doc-card:hover {
  border-color: #aebdca;
  box-shadow: 0 12px 28px rgba(23, 45, 68, 0.08);
  text-decoration: none;
  transform: translateY(-1px);
}

.doc-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 17px;
}

.doc-card span {
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 920px) {
  .hero-inner,
  .split,
  .docs-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .grid,
  .doc-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    display: block;
  }

  .sidebar {
    position: static;
    max-height: none;
  }
}

@media (max-width: 640px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 4px;
  }

  .nav-links a {
    min-height: 42px;
  }

  .hero-inner {
    padding-top: 46px;
  }

  h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 17px;
  }

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

  .event-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .doc-content {
    padding: 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

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