:root {
  --paper: #f6f4ee;
  --paper-2: #eeebe2;
  --ink: #15201f;
  --muted: #58625f;
  --line: #d8d3c6;
  --teal: #0f5f56;
  --teal-2: #0b4a43;
  --amber: #b7791f;
  --ok: #17663a;
  --bad: #a12a2a;
  --card: #fffdf8;
  --shadow: 0 18px 50px rgba(21, 32, 31, 0.08);
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--teal-2); }

.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.skip {
  position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff;
  padding: 10px 14px; z-index: 100;
}
.skip:focus { left: 12px; top: 12px; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(246, 244, 238, 0.92);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 20;
}
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  min-height: 66px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); font-family: var(--serif); font-size: 22px; font-weight: 700;
  text-decoration: none; letter-spacing: -0.01em;
}
.mark {
  width: 26px; height: 26px; border-radius: 50%; background: var(--teal);
  display: grid; place-items: center; color: #fff; font: 700 13px var(--sans);
}
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  border: 1px solid var(--ink); border-radius: 999px; padding: 8px 14px;
  color: var(--ink) !important;
}
.nav-cta:hover { background: var(--ink); color: var(--paper) !important; }

.hero { padding: 72px 0 44px; }
.eyebrow {
  margin: 0 0 14px; color: var(--amber); font-size: 12px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
}
h1, h2, h3 { font-family: var(--serif); line-height: 1.12; letter-spacing: -0.02em; }
h1 { margin: 0; font-size: clamp(42px, 6vw, 68px); max-width: 900px; }
h2 { margin: 0 0 16px; font-size: clamp(28px, 4vw, 40px); }
h3 { margin: 0 0 8px; font-size: 21px; }
.lede { max-width: 720px; margin: 20px 0 0; color: var(--muted); font-size: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 18px; border-radius: 8px;
  border: 1px solid var(--teal); background: var(--teal); color: #fff;
  font: 600 14px var(--sans); text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--teal-2); color: #fff; }
.btn.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.secondary:hover { border-color: var(--ink); background: var(--card); color: var(--ink); }
.btn.small { min-height: 38px; padding: 0 14px; font-size: 13px; }

.band { border-top: 1px solid var(--line); padding: 56px 0; }
.band.alt { background: var(--paper-2); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.grid-3 > *, .grid-2 > * { min-width: 0; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 32px; align-items: start; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 22px; box-shadow: var(--shadow); min-width: 0;
}
.card p { margin: 0; color: var(--muted); }
.step {
  display: inline-block; margin-bottom: 10px; color: var(--amber);
  font: 700 12px var(--mono); letter-spacing: 0.08em;
}

pre {
  margin: 0; padding: 18px; overflow: auto; border-radius: 10px;
  background: #101817; color: #e9efe9; font: 13px/1.65 var(--mono); max-width: 100%;
}
code { font-family: var(--mono); font-size: 0.9em; }
p.muted { max-width: 780px; color: var(--muted); }
pre.tight { margin-top: 14px; }
h3.spaced { margin-top: 26px; }
p code, li code, td code { background: var(--paper-2); padding: 2px 5px; border-radius: 4px; }
pre code { background: none; padding: 0; font-size: inherit; }

.demo { border: 1px solid var(--line); border-radius: 14px; background: var(--card); overflow: hidden; box-shadow: var(--shadow); }
.demo-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.demo-head strong { font: 700 13px var(--sans); letter-spacing: 0.02em; }
.demo-head span { color: var(--muted); font: 12px var(--mono); }
.demo textarea {
  display: block; width: 100%; min-height: 150px; resize: vertical;
  border: 0; border-bottom: 1px solid var(--line); padding: 18px;
  background: #fffefb; color: var(--ink); font: 13px/1.6 var(--mono);
}
.demo textarea:focus { outline: 2px solid var(--teal); outline-offset: -2px; }
.demo-actions { display: flex; flex-wrap: wrap; gap: 10px; padding: 14px 18px; }
.demo-result {
  margin: 0; padding: 14px 18px; border-top: 1px solid var(--line);
  font: 13px/1.5 var(--mono); white-space: pre-wrap;
}
.demo-result.ok { background: #eef7f1; color: var(--ok); }
.demo-result.bad { background: #fbeeee; color: var(--bad); }
.demo-result.idle { color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }

ul.checks { list-style: none; padding: 0; margin: 0; }
ul.checks li { position: relative; padding-left: 26px; margin: 10px 0; }
ul.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 0; color: var(--teal); font-weight: 700;
}

.docs-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 48px; padding: 44px 0 70px; }
.docs-nav { position: sticky; top: 90px; align-self: start; font-size: 14px; }
.docs-nav h2 { font: 700 11px var(--sans); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.docs-nav a { display: block; padding: 6px 0; color: var(--muted); text-decoration: none; }
.docs-nav a:hover, .docs-nav a[aria-current="page"] { color: var(--ink); }
.docs-body { min-width: 0; }
.docs-body h1 { font-size: clamp(36px, 5vw, 52px); }
.docs-body h2 { margin-top: 42px; }
.docs-body h3 { margin-top: 26px; }
.docs-body p, .docs-body li { max-width: 760px; }
.docs-body pre { margin: 18px 0; }
.note {
  border-left: 3px solid var(--amber); background: var(--card);
  padding: 14px 18px; margin: 20px 0; color: var(--muted); font-size: 15px;
}

.faq h3 { margin-top: 26px; }
.faq p { color: var(--muted); max-width: 760px; }

.site-footer { border-top: 1px solid var(--line); padding: 30px 0 44px; color: var(--muted); font-size: 14px; }
.footer-grid { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-grid a { color: var(--muted); }

@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .docs-layout { grid-template-columns: 1fr; gap: 22px; }
  .docs-nav { position: static; display: flex; flex-wrap: wrap; gap: 14px; }
  .docs-nav h2 { width: 100%; margin-bottom: 0; }
  .docs-nav a { padding: 2px 0; }
  .nav-links { display: none; }
}

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