:root {
  --color-background: #ffffff;
  --color-surface: #f5f5f4;
  --color-surface-raised: #ffffff;
  --color-border: #e4e4e2;
  --color-border-strong: #cfcfcc;
  --color-text: #17181c;
  --color-text-muted: #5c5f68;
  --color-brand: #ea580c;
  --color-brand-strong: #c2410c;
  --color-brand-soft: #fff1e8;
  --color-link: #c2410c;
  --color-on-brand: #ffffff;
  --color-ink: #17181c;
  --color-ink-raised: #22242a;
  --color-ink-border: #33363e;
  --color-ink-text: #ececee;
  --color-ink-muted: #9fa3ad;
  --color-code-inline: #f1f1ef;
  --color-token-keyword: #ff9a5c;
  --color-token-function: #7cc4ff;
  --color-token-string: #e9d48c;
  --color-token-flag: #c3b6ff;
  --color-token-command: #ffffff;
  --color-token-comment: #767a85;
  --header-top: #30333b;
  --header-middle: #1f2127;
  --header-bottom: #15161a;
  --header-edge: #9a3412;
  --keycap-top: #3a3d46;
  --keycap-bottom: #2a2c33;
  --keycap-border: #0f1013;
  --keycap-base: #0b0c0e;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --header-height: 64px;
  --sidebar-width: 260px;
  --toc-width: 220px;
  --content-width: 760px;
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-background: #111215;
    --color-surface: #18191d;
    --color-surface-raised: #1d1f24;
    --color-border: #2a2c32;
    --color-border-strong: #3a3d45;
    --color-text: #ececee;
    --color-text-muted: #a3a6ae;
    --color-brand: #ff7a33;
    --color-brand-strong: #ff9a5c;
    --color-brand-soft: #2a1a10;
    --color-link: #ff9a5c;
    --color-on-brand: #17181c;
    --color-ink: #0b0c0e;
    --color-ink-raised: #18191d;
    --color-ink-border: #2a2c32;
    --color-code-inline: #23252b;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --color-background: #111215;
  --color-surface: #18191d;
  --color-surface-raised: #1d1f24;
  --color-border: #2a2c32;
  --color-border-strong: #3a3d45;
  --color-text: #ececee;
  --color-text-muted: #a3a6ae;
  --color-brand: #ff7a33;
  --color-brand-strong: #ff9a5c;
  --color-brand-soft: #2a1a10;
  --color-link: #ff9a5c;
  --color-on-brand: #17181c;
  --color-ink: #0b0c0e;
  --color-ink-raised: #18191d;
  --color-ink-border: #2a2c32;
  --color-code-inline: #23252b;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-padding-top: calc(var(--header-height) + 16px); -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--color-brand); color: var(--color-on-brand); }

a { color: var(--color-link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--color-brand); text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 2px; border-radius: 4px; }

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  padding: 8px 14px;
  background: var(--color-brand);
  color: var(--color-on-brand);
  border-radius: 6px;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: linear-gradient(180deg, var(--header-top) 0%, var(--header-middle) 52%, var(--header-bottom) 100%);
  border-bottom: 3px solid var(--color-brand);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(0, 0, 0, 0.45),
    0 3px 0 var(--header-edge),
    0 14px 28px -12px rgba(0, 0, 0, 0.55);
}

.site-header-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--color-ink-text); text-decoration: none; }
.brand:hover { color: var(--color-ink-text); text-decoration: none; }
.brand-mark { display: block; }
.site-header .brand-mark { filter: drop-shadow(0 2px 0 rgba(0, 0, 0, 0.6)) drop-shadow(0 0 1px rgba(255, 255, 255, 0.15)); }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 24px; line-height: 1; letter-spacing: -0.03em; }
.site-header .brand-name { text-shadow: 0 2px 0 rgba(0, 0, 0, 0.55); }
.brand-x { color: var(--color-brand); }

.site-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.site-nav a {
  position: relative;
  top: 0;
  padding: 6px 12px;
  color: var(--color-ink-muted);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.5);
  border: 1px solid transparent;
  border-radius: 7px;
  transition: top 0.08s ease, box-shadow 0.08s ease, background 0.15s ease;
}
.site-nav a:hover, .site-nav .site-nav-github,
[data-section="docs"] .site-nav a[data-nav="docs"],
[data-section="tools"] .site-nav a[data-nav="tools"],
[data-section="about"] .site-nav a[data-nav="about"] {
  color: var(--color-ink-text);
  background: linear-gradient(180deg, var(--keycap-top), var(--keycap-bottom));
  border-color: var(--keycap-border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 3px 0 var(--keycap-base), 0 4px 6px rgba(0, 0, 0, 0.35);
  text-decoration: none;
}
[data-section="docs"] .site-nav a[data-nav="docs"],
[data-section="tools"] .site-nav a[data-nav="tools"],
[data-section="about"] .site-nav a[data-nav="about"] {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), inset 0 -2px 0 var(--color-brand), 0 3px 0 var(--keycap-base), 0 4px 6px rgba(0, 0, 0, 0.35);
}
.site-nav .site-nav-github { margin-left: 8px; }
.site-nav a:active {
  top: 2px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 var(--keycap-base);
}

.menu-button {
  display: none;
  width: 40px;
  height: 38px;
  margin-left: -4px;
  padding: 0;
  background: linear-gradient(180deg, var(--keycap-top), var(--keycap-bottom));
  border: 1px solid var(--keycap-border);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 3px 0 var(--keycap-base);
  cursor: pointer;
}
.menu-button:active { transform: translateY(2px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 var(--keycap-base); }
.menu-button span, .menu-button span::before, .menu-button span::after {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-ink-text);
  border-radius: 2px;
  position: relative;
  transition: transform 0.2s ease, background 0.2s ease;
}
.menu-button span::before, .menu-button span::after { content: ""; position: absolute; left: 0; }
.menu-button span::before { top: -6px; }
.menu-button span::after { top: 6px; }
.is-menu-open .menu-button span { background: transparent; }
.is-menu-open .menu-button span::before { transform: translateY(6px) rotate(45deg); }
.is-menu-open .menu-button span::after { transform: translateY(-6px) rotate(-45deg); }

.page-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--toc-width);
  gap: 48px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
}

.layout-home .page-shell, .layout-page .page-shell { grid-template-columns: minmax(0, 1fr); max-width: 1120px; }
.layout-home .sidebar, .layout-page .sidebar, .layout-home .toc-column, .layout-page .toc-column { display: none; }

.sidebar {
  position: sticky;
  top: var(--header-height);
  align-self: start;
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
  padding: 32px 8px 48px 0;
}

.nav-group + .nav-group { margin-top: 26px; }
.nav-group-title {
  margin: 0 0 8px;
  padding: 0 14px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-group ul { list-style: none; margin: 0; padding: 0; }
.nav-group.is-collapsible summary { display: flex; align-items: center; justify-content: space-between; cursor: pointer; list-style: none; border-radius: 6px; }
.nav-group.is-collapsible summary::-webkit-details-marker { display: none; }
.nav-group.is-collapsible summary::after { content: "+"; font-size: 15px; color: var(--color-brand); }
.nav-group.is-collapsible[open] summary::after { content: "−"; }
.nav-group.is-collapsible summary:hover { color: var(--color-text); }
.nav-group.is-collapsible a { font-family: var(--font-mono); font-size: 14px; }
.nav-group.is-collapsible li:first-child a { font-family: var(--font-sans); font-size: 15px; }
.nav-group a {
  display: block;
  padding: 6px 14px;
  color: var(--color-text);
  font-size: 15px;
  text-decoration: none;
  border-left: 3px solid transparent;
  border-radius: 0 6px 6px 0;
}
.nav-group a:hover { background: var(--color-surface); color: var(--color-text); }
.nav-group a[aria-current="page"] { border-left-color: var(--color-brand); background: var(--color-surface); font-weight: 600; }
.sidebar-mobile-links { display: none; }

.content { min-width: 0; padding: 32px 0 72px; }
.layout-doc .content { max-width: var(--content-width); }

.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0 0 18px; padding: 0; font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--color-brand); }
.breadcrumbs a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--color-link); }

.prose h1, .prose h2, .prose h3 { font-family: var(--font-display); color: var(--color-text); }
.prose h1 { margin: 0 0 14px; font-size: clamp(32px, 4.2vw, 44px); line-height: 1.1; letter-spacing: -0.03em; }
.prose h2 { margin: 52px 0 12px; text-wrap: balance; font-size: 27px; line-height: 1.25; letter-spacing: -0.02em; }
.layout-doc .prose h2 { padding-top: 20px; border-top: 1px solid var(--color-border); }
.prose h3 { margin: 32px 0 8px; font-size: 19px; line-height: 1.35; letter-spacing: -0.01em; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose li + li { margin-top: 6px; }
.prose li::marker { color: var(--color-brand); }
.prose .lead { font-size: 19px; line-height: 1.6; color: var(--color-text-muted); margin-bottom: 36px; }

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  padding: 0.15em 0.4em;
  background: var(--color-code-inline);
  border-radius: 4px;
  overflow-wrap: anywhere;
}

pre {
  position: relative;
  margin: 0 0 20px;
  padding: 18px 20px;
  overflow-x: auto;
  background: var(--color-ink);
  color: var(--color-ink-text);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.65;
}
pre code { padding: 0; background: none; color: inherit; font-size: inherit; overflow-wrap: normal; white-space: pre; }
.code-frame { position: relative; margin: 0 0 20px; }
.code-frame pre { margin: 0; border-left: 3px solid var(--color-brand); }
.code-frame + pre.output { margin-top: 12px; }
pre.output { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }

.token-keyword { color: var(--color-token-keyword); font-weight: 500; }
.token-function { color: var(--color-token-function); }
.token-string { color: var(--color-token-string); }
.token-flag { color: var(--color-token-flag); }
.token-command { color: var(--color-token-command); font-weight: 700; }
.token-comment { color: var(--color-token-comment); font-style: italic; }

.copy-button {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 10px;
  background: var(--color-ink-raised);
  color: var(--color-ink-muted);
  font: 500 12px var(--font-sans);
  border: 1px solid var(--color-ink-border);
  border-radius: 6px;
  cursor: pointer;
}
.copy-button:hover { color: var(--color-ink-text); border-color: var(--color-brand); }
@media (hover: hover) {
  .copy-button { opacity: 0; transition: opacity 0.15s ease; }
  .code-frame:hover .copy-button, .copy-button:focus-visible { opacity: 1; }
}

.table-wrap { margin: 0 0 24px; overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius); }
table { width: 100%; min-width: 600px; border-collapse: collapse; font-size: 15px; }
th, td { padding: 10px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--color-border); }
th { background: var(--color-surface); font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-text-muted); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }
td:last-child code { white-space: normal; }

.callout {
  margin: 0 0 24px;
  padding: 14px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-brand);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout p { margin: 0; }

.badge {
  display: inline-block;
  padding: 1px 8px;
  vertical-align: middle;
  background: var(--color-brand-soft);
  color: var(--color-link);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 4px;
}

.toc-column { position: relative; }
.toc { position: sticky; top: calc(var(--header-height) + 32px); padding-top: 32px; }
.toc h2 { margin: 0 0 10px; font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--color-border); }
.toc a {
  display: block;
  margin-left: -1px;
  padding: 4px 0 4px 14px;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  border-left: 2px solid transparent;
}
.toc a:hover { color: var(--color-text); }
.toc a.is-active { color: var(--color-text); font-weight: 600; border-left-color: var(--color-brand); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; }
.pager-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 16px 20px;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
}
.pager-link:hover { color: var(--color-text); border-color: var(--color-brand); text-decoration: none; }
.pager-link.is-next { grid-column: 2; text-align: right; }
.pager-direction { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-text-muted); }
.pager-link.is-previous .pager-direction::before { content: "← "; color: var(--color-brand); }
.pager-link.is-next .pager-direction::after { content: " →"; color: var(--color-brand); }
.pager-title { font-family: var(--font-display); font-size: 18px; font-weight: 700; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  color: var(--color-text);
  background: var(--color-surface-raised);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid var(--color-border-strong);
  border-radius: 8px;
}
.button:hover { color: var(--color-text); border-color: var(--color-text); text-decoration: none; }
.button.is-primary { background: var(--color-brand); border-color: var(--color-brand); color: var(--color-on-brand); }
.button.is-primary:hover { background: var(--color-brand-strong); border-color: var(--color-brand-strong); color: var(--color-on-brand); }
.button.is-ghost { background: transparent; border-color: transparent; color: var(--color-text-muted); }
.button.is-ghost:hover { color: var(--color-text); }

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hero-kicker::before { content: ""; width: 10px; height: 10px; background: var(--color-brand); border-radius: 2px; }
.hero h1, .about-hero h1, .not-found h1 { font-size: clamp(38px, 4.4vw, 58px); line-height: 1.02; letter-spacing: -0.04em; margin-bottom: 18px; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--color-brand); }
.hero-lead { max-width: 620px; margin: 0 0 28px; color: var(--color-text-muted); font-size: clamp(17px, 2vw, 19px); line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
  padding: 56px 0 24px;
}
.hero-terminal {
  min-width: 0;
  background: var(--color-ink);
  border-radius: 12px;
  box-shadow: 10px 10px 0 var(--color-brand);
  overflow: hidden;
}
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--color-ink-border); }
.terminal-bar span { width: 11px; height: 11px; border-radius: 50%; background: var(--color-ink-border); }
.terminal-bar em { margin-left: 8px; color: var(--color-ink-muted); font: 12px var(--font-mono); font-style: normal; }
.hero-terminal pre, .hero-terminal .code-frame { margin: 0; border-radius: 0; }
.hero-terminal .code-frame pre { border-left: 0; }
.hero-terminal pre.output { background: transparent; color: var(--color-ink-muted); border: 0; margin: 0; padding-top: 0; }

.pipeline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 0;
  align-items: center;
  margin: 8px 0 16px;
}
.pipeline-column { padding: 22px 24px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; }
.pipeline-label { display: block; margin-bottom: 12px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); }
.pipeline-column ul { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.prose .pipeline-column li { margin: 0; padding: 5px 10px; background: var(--color-surface-raised); font-family: var(--font-mono); font-size: 13px; border: 1px solid var(--color-border); border-radius: 6px; }
.pipeline-core {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin: 0 28px;
  padding: 22px 26px;
  background: var(--color-ink);
  color: var(--color-ink-text);
  border-radius: 14px;
  text-align: center;
}
.pipeline-core::before, .pipeline-core::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 28px;
  height: 3px;
  background: var(--color-brand);
}
.pipeline-core::before { right: 100%; }
.pipeline-core::after { left: 100%; }
.pipeline-core strong { font-family: var(--font-display); font-size: 26px; line-height: 1; letter-spacing: -0.03em; }
.pipeline-core small { color: var(--color-ink-muted); font-family: var(--font-mono); font-size: 12px; }

.layout-home .prose h2 { margin-top: 88px; font-size: clamp(28px, 3.4vw, 36px); letter-spacing: -0.03em; }
.layout-home .prose h2 + p { max-width: 680px; margin: 0 0 28px; color: var(--color-text-muted); font-size: 18px; }
.layout-home .prose h3 { margin-top: 28px; }

.feature-grid, .card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 16px; margin-bottom: 16px; }
.feature { padding: 22px 24px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px; }
.feature h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; font-size: 18px; }
.feature h3::before { content: ""; flex-shrink: 0; width: 10px; height: 10px; background: var(--color-brand); border-radius: 2px; }
.feature p { margin: 0; color: var(--color-text-muted); font-size: 15px; }
.doc-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px 24px;
  color: var(--color-text);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.doc-card strong { font-family: var(--font-display); font-size: 18px; }
.doc-card strong::after { content: " →"; color: var(--color-brand); }
.doc-card:hover { color: var(--color-text); border-color: var(--color-text); box-shadow: 5px 5px 0 var(--color-brand); transform: translate(-2px, -2px); text-decoration: none; }
.doc-card span { color: var(--color-text-muted); font-size: 15px; }

.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; margin-bottom: 8px; }
.tool-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  color: var(--color-text);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}
.tool-card:hover { color: var(--color-text); border-color: var(--color-text); box-shadow: 4px 4px 0 var(--color-brand); transform: translate(-2px, -2px); text-decoration: none; }
.tool-card span { color: var(--color-text-muted); font-size: 14px; line-height: 1.5; }
.tool-card .tool-card-name, .tool-chip code {
  align-self: flex-start;
  padding: 2px 9px;
  background: var(--color-ink);
  color: var(--color-ink-text);
  font-size: 15px;
  font-weight: 700;
  border-radius: 5px;
  box-shadow: 0 2px 0 var(--color-brand);
}
.tool-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 20px; }
.tool-chip { text-decoration: none; }
.tool-chip code { display: inline-block; transition: transform 0.1s ease, box-shadow 0.1s ease; }
.tool-chip:hover code { transform: translateY(-2px); box-shadow: 0 4px 0 var(--color-brand); }
.tool-chips.is-large code { padding: 6px 14px; font-size: 16px; }
.prose h1 .tool-title { padding: 0.05em 0.3em; background: var(--color-ink); color: var(--color-ink-text); font-size: 0.9em; border-radius: 8px; box-shadow: 0 4px 0 var(--color-brand); margin-right: 0.2em; }
.tool-availability { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: -16px; color: var(--color-text-muted); font-size: 15px; }
.external-links { padding-left: 0; list-style: none; }
.external-links a::after { content: " ↗"; font-size: 0.85em; }

.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--color-border); }
.faq details:first-child { border-top: 1px solid var(--color-border); }
.faq summary { padding: 18px 0; font-family: var(--font-display); font-size: 18px; font-weight: 700; cursor: pointer; }
.faq summary::marker { color: var(--color-brand); }
.faq details p { margin: 0 0 18px; color: var(--color-text-muted); }

.about-hero { padding: 56px 0 36px; max-width: 780px; }
.about-layout { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 56px; align-items: start; }
.about-profile {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-brand);
  border-radius: 12px;
}
.author-photo {
  display: grid;
  position: relative;
  overflow: hidden;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
  background: var(--color-ink);
  color: var(--color-ink-text);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  border-radius: 30%;
  box-shadow: 4px 4px 0 var(--color-brand);
}
.author-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
@supports (corner-shape: squircle) {
  .author-photo { border-radius: 50%; corner-shape: squircle; }
}
.prose .author-name { margin: 0 0 6px; padding: 0; border: 0; font-size: 22px; }
.author-role { color: var(--color-text-muted); font-size: 15px; }
.author-links { display: flex; flex-direction: column; gap: 8px; list-style: none; margin: 0 0 16px; padding: 0; }
.prose .author-links li + li { margin-top: 0; }
.author-links a, .author-email {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  background: var(--color-surface-raised);
  color: var(--color-text);
  font: 500 15px var(--font-sans);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
}
.author-links a:hover, .author-email:hover { border-color: var(--color-brand); color: var(--color-text); text-decoration: none; }
.author-links svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }
.about-note { margin: 0; color: var(--color-text-muted); font-size: 13px; }
.about-article h2:first-child { margin-top: 0; }

.not-found { max-width: 640px; padding: 72px 0; }
.not-found pre { margin: 0 0 32px; }

.site-footer { margin-top: 32px; background: var(--color-ink); color: var(--color-ink-muted); border-top: 3px solid var(--color-brand); }
.site-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px 48px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 44px 24px;
}
.footer-about p { max-width: 420px; margin: 12px 0 0; font-size: 15px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 22px; align-content: start; }
.footer-links a { color: var(--color-ink-text); font-size: 15px; text-decoration: none; }
.footer-links a:hover { color: var(--color-brand); }
.footer-legal { grid-column: 1 / -1; margin: 0; padding-top: 20px; border-top: 1px solid var(--color-ink-border); font-size: 14px; }
.footer-legal a { color: var(--color-ink-text); }

@media (max-width: 1200px) {
  .page-shell { grid-template-columns: var(--sidebar-width) minmax(0, 1fr); }
  .toc-column { display: none; }
}

@media (max-width: 960px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 36px; padding-top: 36px; }
  .hero-terminal { box-shadow: 6px 6px 0 var(--color-brand); }
  .pipeline { grid-template-columns: minmax(0, 1fr); }
  .pipeline-core { margin: 24px 0; }
  .pipeline-core::before, .pipeline-core::after { left: 50%; top: auto; width: 3px; height: 24px; transform: translateX(-50%); }
  .pipeline-core::before { right: auto; bottom: 100%; }
  .pipeline-core::after { top: 100%; }
}

@media (max-width: 900px) {
  :root { --header-height: 58px; }
  .site-header-bar, .page-shell { padding: 0 16px; }
  .page-shell { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .layout-doc .menu-button { display: block; }
  .site-nav { display: none; }
  .layout-home .site-nav, .layout-page .site-nav { display: flex; }
  .site-nav a.is-secondary { display: none; }
  .site-nav a { padding: 6px 8px; }
  .sidebar {
    position: fixed;
    inset: var(--header-height) 0 0 0;
    z-index: 40;
    max-height: none;
    padding: 24px 16px 48px;
    background: var(--color-background);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }
  .is-menu-open .sidebar { visibility: visible; opacity: 1; transform: none; }
  .is-menu-open { overflow: hidden; }
  .sidebar-mobile-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 28px; padding: 20px 14px 0; border-top: 1px solid var(--color-border); }
  .sidebar-mobile-links a { color: var(--color-text-muted); text-decoration: none; }
  .content { padding-top: 24px; }
  .about-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .about-profile { position: static; }
  .site-footer-inner { grid-template-columns: minmax(0, 1fr); padding: 32px 16px; }
}

@media (max-width: 560px) {
  .pager { grid-template-columns: minmax(0, 1fr); }
  .pager-link.is-next { grid-column: 1; }
  .hero-actions .button { flex: 1 1 100%; justify-content: center; }
  pre { font-size: 13px; padding: 14px 16px; }
  .brand-name { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}
.prose h1:has(.tool-title) { line-height: 1.35; }