:root {
  --paper: #f4f1ea;
  --paper-dark: #e3ddcd;
  --ink: #2b3a42;
  --ink-light: #4b5e68;
  --stamp: #d1462f;
  --sun: #f4b942;
  --code-bg: #23303a;
  --code-fg: #e8e3d8;
  --code-border: #35454f;
  --display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --hand: "Caveat", cursive;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--display);
  background-color: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
}

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* nav */
nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 241, 234, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--paper-dark);
}
nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: -0.02em; text-decoration: none; color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { text-decoration: none; font-size: 15px; color: var(--ink-light); transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.cta { color: var(--paper); background: var(--stamp); padding: 8px 16px; border-radius: 999px; font-weight: 700; }
.nav-links a.cta:hover { color: var(--paper); }
@media (max-width: 640px) { .nav-links a:not(.cta):not(.always) { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; padding: 13px 26px; border-radius: 999px; text-decoration: none; transition: transform .12s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--stamp); color: var(--paper); box-shadow: 0 8px 20px rgba(209, 70, 47, 0.28); }
.btn-ghost { background: var(--paper); color: var(--ink); border: 1px solid var(--paper-dark); }

/* code blocks, shared */
pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 14px;
  padding: 18px 20px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: #56666f transparent;
}
pre code { font-family: var(--mono); font-size: 14px; line-height: 1.75; color: var(--code-fg); background: none; padding: 0; }
pre::-webkit-scrollbar { height: 8px; }
pre::-webkit-scrollbar-track { background: transparent; }
pre::-webkit-scrollbar-thumb { background: #56666f; border-radius: 999px; }
pre::-webkit-scrollbar-thumb:hover { background: #6b7d87; }
.comment { color: #8aa0aa; }

/* inline code */
:not(pre) > code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--paper-dark);
  color: var(--ink);
  padding: 2px 6px;
  border-radius: 6px;
}

/* footer */
footer { border-top: 1px solid var(--paper-dark); padding: 40px 0; text-align: center; color: var(--ink-light); margin-top: 40px; }
footer .foot-links { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px; }
footer a { text-decoration: none; font-weight: 600; color: var(--ink-light); }
footer a:hover { color: var(--stamp); }
.made { font-family: var(--hand); font-size: 22px; color: var(--ink); }

/* ---------- marketing ---------- */
.hero { padding: 90px 0 70px; text-align: center; }
.hero h1 { font-size: clamp(40px, 7vw, 76px); font-weight: 800; line-height: 0.98; letter-spacing: -0.03em; }
.hero h1 .accent { color: var(--stamp); }
.hero .sub { font-family: var(--hand); font-size: clamp(24px, 3.5vw, 34px); color: var(--ink-light); margin-top: 22px; line-height: 1.25; }
.hero .lead { max-width: 620px; margin: 22px auto 0; color: var(--ink-light); font-size: 18px; }
.hero .actions { margin-top: 38px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.section { padding: 60px 0; }
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; letter-spacing: -0.02em; text-align: center; }
.section-note { text-align: center; color: var(--ink-light); margin: 12px auto 0; max-width: 560px; font-size: 17px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; margin-top: 48px; }
.card { background: var(--paper); border: 1px solid var(--paper-dark); border-radius: 20px; padding: 26px; box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.06); }
.card .ico { width: 44px; height: 44px; border-radius: 12px; background: var(--stamp); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.card h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.card p { color: var(--ink-light); font-size: 15.5px; }

.host { background: var(--ink); color: var(--paper); border-radius: 28px; padding: 52px 40px; text-align: center; }
.host .section-title { color: var(--paper); }
.host .section-note { color: rgba(244, 241, 234, 0.75); }
.host pre { max-width: 620px; margin: 26px auto 0; text-align: left; }
.host .after { margin-top: 22px; color: rgba(244, 241, 234, 0.8); }
.host .after a { color: var(--sun); font-weight: 700; text-decoration: none; }
.host .after a:hover { text-decoration: underline; }

/* ---------- docs ---------- */
.doc-head { padding: 56px 0 20px; }
.doc-head h1 { font-size: clamp(34px, 5vw, 52px); font-weight: 800; letter-spacing: -0.02em; }
.doc-head p { color: var(--ink-light); font-size: 18px; margin-top: 10px; }

.doc-layout { display: grid; grid-template-columns: 210px 1fr; gap: 56px; padding-bottom: 60px; align-items: start; }
.toc { position: sticky; top: 88px; font-size: 15px; }
.toc-title { text-transform: uppercase; letter-spacing: 0.12em; font-size: 12px; font-weight: 700; color: var(--ink-light); margin-bottom: 12px; }
.toc a { display: block; text-decoration: none; color: var(--ink-light); padding: 6px 0; border-left: 2px solid var(--paper-dark); padding-left: 14px; transition: color .15s, border-color .15s; }
.toc a:hover { color: var(--ink); border-color: var(--stamp); }
@media (max-width: 820px) { .doc-layout { grid-template-columns: 1fr; gap: 0; } .toc { display: none; } }

.doc-body { min-width: 0; }
.doc-body h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.01em; margin: 44px 0 14px; scroll-margin-top: 84px; }
.doc-body h2:first-child { margin-top: 0; }
.doc-body h3 { font-size: 19px; font-weight: 700; margin: 24px 0 10px; }
.doc-body p { color: var(--ink-light); margin-bottom: 14px; }
.doc-body ul { color: var(--ink-light); margin: 0 0 14px 22px; }
.doc-body li { margin-bottom: 7px; }
.doc-body pre { margin: 16px 0 20px; }
.doc-body a { color: var(--stamp); font-weight: 600; text-decoration: none; }
.doc-body a:hover { text-decoration: underline; }

details { border: 1px solid var(--paper-dark); border-radius: 14px; padding: 2px 20px; margin-bottom: 12px; background: var(--paper); }
summary { font-weight: 700; cursor: pointer; padding: 14px 0; font-size: 16px; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: "+\00a0"; color: var(--stamp); font-weight: 800; }
details[open] summary::before { content: "\2013\00a0"; }
details[open] summary { border-bottom: 1px solid var(--paper-dark); margin-bottom: 4px; }
details > *:last-child { margin-bottom: 14px; }

table.env { width: 100%; border-collapse: collapse; margin: 16px 0 20px; font-size: 15px; }
table.env th, table.env td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--paper-dark); vertical-align: top; }
table.env th { color: var(--ink); font-weight: 700; }
table.env td:first-child { font-family: var(--mono); color: var(--stamp); white-space: nowrap; }

.callout { background: rgba(244, 185, 66, 0.1); border: 1px solid var(--paper-dark); border-radius: 12px; padding: 16px 18px; margin: 16px 0 20px; color: var(--ink-light); font-size: 15px; }
.callout b { color: var(--ink); }