:root {
  color-scheme: light;
  --ink: #101316;
  --muted: #5a646e;
  --line: #d8dee5;
  --panel: #f6f8fa;
  --panel-strong: #edf2f5;
  --dark: #111417;
  --dark-2: #1b2025;
  --cyan: #00a7bd;
  --green: #2f9e44;
  --amber: #b7791f;
  --code: #111827;
  --code-bg: #edf2f7;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: #00748a;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
}

nav {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--line);
  padding: 24px 20px;
  background: var(--panel);
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 26px;
  color: var(--ink);
  font-weight: 780;
  font-size: 22px;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.nav-group {
  display: grid;
  gap: 3px;
}

nav a:not(.brand) {
  display: block;
  border-radius: 7px;
  padding: 8px 10px;
  color: var(--ink);
  text-decoration: none;
}

nav a:not(.brand):hover,
nav a.active {
  background: #ffffff;
  color: #006d7e;
}

.nav-meta {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.nav-meta a {
  color: var(--muted);
}

main {
  max-width: 1100px;
  padding: 48px 56px 82px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  align-items: center;
  gap: 46px;
  margin: -48px -56px 42px;
  padding: 72px 56px 64px;
  color: #f7fbfc;
  background: var(--dark);
}

.hero h1 {
  max-width: 760px;
  margin: 8px 0 16px;
  color: #ffffff;
  font-size: 56px;
  line-height: 1.04;
}

.hero .lead {
  color: #d6e0e6;
}

.hero-logo {
  width: 220px;
  height: 220px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 7px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  border-color: #00a7bd;
  background: #00a7bd;
  color: #071315;
}

.button.dark {
  border-color: rgba(255, 255, 255, 0.2);
  background: #f7fbfc;
  color: #101316;
}

.button.ghost {
  background: transparent;
  color: #eef7f9;
  border-color: rgba(255, 255, 255, 0.28);
}

.eyebrow {
  color: var(--amber);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #6ee7f5;
}

h1 {
  margin: 8px 0 12px;
  font-size: 46px;
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-top: 44px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 25px;
  letter-spacing: 0;
}

h3 {
  margin-top: 28px;
  font-size: 18px;
}

p {
  max-width: 780px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 860px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  max-width: 820px;
}

.stat {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 13px 14px;
  background: var(--dark-2);
}

.stat strong {
  display: block;
  color: #ffffff;
  font-size: 20px;
}

.stat span {
  color: #b9c7ce;
  font-size: 13px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.tile {
  min-height: 142px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #ffffff;
}

.tile strong {
  display: block;
  margin-bottom: 6px;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.doc-card {
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 17px;
  color: var(--ink);
  text-decoration: none;
  background: #ffffff;
}

.doc-card:hover {
  border-color: #8bd7df;
}

.doc-card strong {
  display: block;
  margin-bottom: 7px;
}

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

pre {
  overflow-x: auto;
  max-width: 940px;
  padding: 16px;
  border: 1px solid #dce4ea;
  border-radius: 8px;
  background: var(--code-bg);
  color: var(--code);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.94em;
}

.diagram {
  width: 100%;
  max-width: 900px;
  margin: 26px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.callout {
  max-width: 900px;
  border-left: 4px solid var(--cyan);
  background: var(--panel);
  padding: 14px 16px;
}

table {
  width: 100%;
  max-width: 960px;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

th {
  background: var(--panel);
}

.release-band {
  margin: 34px 0 10px;
  padding: 20px;
  border-radius: 8px;
  background: var(--panel-strong);
}

.release-band p {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    width: 156px;
    height: 156px;
  }

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

@media (max-width: 760px) {
  .shell {
    display: block;
  }

  nav {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  main {
    padding: 32px 22px 56px;
  }

  .hero {
    margin: -32px -22px 30px;
    padding: 42px 22px 38px;
  }

  .hero h1,
  h1 {
    font-size: 34px;
  }
}