:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --fg: #111827;
  --muted: #56616f;
  --line: #d9dee6;
  --panel: #ffffff;
  --code: #101923;
  --accent: #0f766e;
  --accent-soft: #dff4f1;
  --amber: #b7791f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: var(--accent);
  font-weight: 700;
}

code {
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.92em;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 12px max(20px, calc((100vw - 1160px) / 2));
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(12, 20, 28, 0.92);
  backdrop-filter: blur(12px);
}

.brand,
.repo,
.topbar nav a {
  color: white;
  text-decoration: none;
}

.brand {
  font-size: 1.05rem;
  font-weight: 800;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.topbar nav a,
.repo {
  font-size: 0.92rem;
}

main {
  width: 100%;
}

.hero {
  min-height: 74vh;
  display: flex;
  align-items: center;
  padding: 80px max(24px, calc((100vw - 1160px) / 2)) 68px;
  background:
    linear-gradient(90deg, rgba(10, 18, 26, 0.94), rgba(10, 18, 26, 0.58) 52%, rgba(10, 18, 26, 0.2)),
    url("assets/runseal-org-banner.webp") right center / contain no-repeat,
    #101923;
}

.hero-copy {
  max-width: 700px;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: #7ed9d1;
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-label {
  color: var(--amber);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  color: white;
  font-size: clamp(3.25rem, 11vw, 8rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.15;
}

.lede {
  max-width: 720px;
  color: #dce8eb;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
}

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

.actions a {
  min-width: 132px;
  padding: 10px 16px;
  border: 1px solid #7ed9d1;
  border-radius: 6px;
  color: white;
  text-align: center;
  text-decoration: none;
}

.actions a:first-child {
  background: var(--accent);
  border-color: var(--accent);
}

.overview {
  width: min(1160px, calc(100% - 32px));
  margin: -28px auto 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.overview article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.overview h2 {
  font-size: 1.02rem;
}

.overview p,
.content p,
.content li {
  color: var(--muted);
}

.docs-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto 56px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 70px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.toc a {
  padding: 6px 0;
  color: #374151;
  font-size: 0.92rem;
  text-decoration: none;
}

.content section {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.content section:first-child {
  border-top: 0;
  padding-top: 0;
}

.content p,
.content ul,
.content ol {
  max-width: 780px;
}

.note {
  padding: 12px 14px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  color: #25424a;
}

pre {
  overflow-x: auto;
  margin: 16px 0;
  padding: 16px;
  border-radius: 8px;
  background: var(--code);
  color: #e8f0f5;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: var(--panel);
}

th,
td {
  padding: 12px;
  border: 1px solid var(--line);
  text-align: left;
}

th {
  background: #eef2f5;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  max-width: 850px;
  margin: 16px 0;
}

.method-grid span {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
}

@media (max-width: 860px) {
  .topbar {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .repo {
    display: none;
  }

  .hero {
    min-height: 64vh;
    padding-top: 56px;
    background:
      linear-gradient(90deg, rgba(10, 18, 26, 0.94), rgba(10, 18, 26, 0.68)),
      url("assets/runseal-org-banner.webp") center / cover no-repeat;
  }

  .overview,
  .docs-shell,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .topbar nav {
    gap: 10px;
  }

  .actions a {
    width: 100%;
  }

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