:root {
  color-scheme: light dark;
  --bg: #fbfbfa;
  --bg-soft: #ffffff;
  --bg-sunk: #f2f2ef;
  --ink: #17181c;
  --ink-soft: #5b5f6b;
  --ink-faint: #8b909c;
  --line: #e3e3de;
  --line-soft: #eeeeea;
  --accent: #1f5f4e;
  --accent-soft: #e6f1ed;
  --accent-ink: #ffffff;
  --warn: #8a5a00;
  --code-bg: #16181d;
  --code-ink: #dfe3ea;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --bg-soft: #171a20;
    --bg-sunk: #0d0f13;
    --ink: #e8eaee;
    --ink-soft: #a8aeba;
    --ink-faint: #767d8b;
    --line: #262a33;
    --line-soft: #1e222a;
    --accent: #57c8a5;
    --accent-soft: #16241f;
    --accent-ink: #0c1512;
    --warn: #e0b25f;
    --code-bg: #0b0d11;
    --code-ink: #dfe3ea;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* ------------------------------------------------------------------ nav */

header.top {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; gap: 24px; height: 58px; }
.brand { font-weight: 650; letter-spacing: -0.015em; color: var(--ink); text-decoration: none; font-size: 17px; }
.brand span { color: var(--accent); }
header.top nav { margin-left: auto; display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
header.top nav a { color: var(--ink-soft); text-decoration: none; font-size: 14.5px; }
header.top nav a:hover, header.top nav a[aria-current] { color: var(--ink); }

/* ----------------------------------------------------------------- hero */

.hero { padding: 72px 0 48px; border-bottom: 1px solid var(--line); }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.12; letter-spacing: -0.028em; margin: 0 0 18px; max-width: 20ch; }
.hero p.lede { font-size: 19px; color: var(--ink-soft); max-width: 62ch; margin: 0 0 28px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-block; padding: 10px 18px; border-radius: var(--radius);
  background: var(--accent); color: var(--accent-ink); font-weight: 560; font-size: 15px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer;
}
.btn:hover { filter: brightness(1.07); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink-faint); filter: none; }

/* ---------------------------------------------------------------- cards */

section { padding: 56px 0; border-bottom: 1px solid var(--line-soft); }
section:last-of-type { border-bottom: 0; }
h2 { font-size: 26px; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 + p.sub { color: var(--ink-soft); margin: 0 0 28px; max-width: 62ch; }
h3 { font-size: 18px; letter-spacing: -0.01em; margin: 0 0 6px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }

.card {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 8px;
}
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.card p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }
.card .meta { margin-top: auto; padding-top: 10px; font-size: 13px; color: var(--ink-faint); font-family: var(--mono); }

/* ----------------------------------------------------------------- code */

pre, code { font-family: var(--mono); font-size: 13.5px; }
pre {
  background: var(--code-bg); color: var(--code-ink); padding: 16px 18px;
  border-radius: var(--radius); overflow-x: auto; line-height: 1.6; margin: 14px 0;
  border: 1px solid color-mix(in srgb, var(--code-ink) 12%, transparent);
}
pre code { background: none; padding: 0; color: inherit; }
code {
  background: var(--bg-sunk); padding: 1px 5px; border-radius: 4px;
  border: 1px solid var(--line-soft); font-size: 0.9em;
}
.tok-flag { color: #7fd1b9; }
.tok-url { color: #9ec7ff; }
.tok-str { color: #e3c07b; }

/* ---------------------------------------------------------------- table */

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
th { font-weight: 600; background: var(--bg-sunk); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

/* -------------------------------------------------------------- pricing */

.plans { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.plan { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.plan.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan .price { font-size: 32px; font-weight: 620; letter-spacing: -0.03em; margin: 6px 0 2px; }
.plan .price small { font-size: 14px; font-weight: 400; color: var(--ink-faint); }
.plan ul { list-style: none; padding: 0; margin: 14px 0 0; font-size: 14.5px; color: var(--ink-soft); }
.plan li { padding: 4px 0 4px 20px; position: relative; }
.plan li::before { content: "\2713"; position: absolute; left: 0; color: var(--accent); }

/* --------------------------------------------------------------- badges */

.badge {
  display: inline-block; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.03em;
  padding: 2px 7px; border-radius: 5px; background: var(--accent-soft); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); text-transform: uppercase;
}
.badge.get { background: #e8eefb; color: #2b5199; border-color: #c9d8f5; }
@media (prefers-color-scheme: dark) { .badge.get { background: #16203a; color: #8fb4ff; border-color: #24345c; } }

/* ----------------------------------------------------------- endpoint */

.endpoint { border: 1px solid var(--line); border-radius: var(--radius); margin: 0 0 18px; background: var(--bg-soft); overflow: hidden; }
.endpoint > summary {
  padding: 14px 18px; cursor: pointer; display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap;
  list-style: none;
}
.endpoint > summary::-webkit-details-marker { display: none; }
.endpoint > summary:hover { background: var(--bg-sunk); }
.endpoint .path { font-family: var(--mono); font-size: 14px; font-weight: 550; }
.endpoint .sum { color: var(--ink-soft); font-size: 14px; }
.endpoint .body { padding: 4px 18px 20px; border-top: 1px solid var(--line-soft); }

/* ----------------------------------------------------------------- form */

form.inline { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 18px 0 0; }
input[type=email], input[type=text], select, textarea {
  font: inherit; font-size: 15px; padding: 9px 12px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--bg-soft); color: var(--ink); min-width: 240px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.result { margin-top: 16px; }
.note { font-size: 13.5px; color: var(--ink-faint); }
.warn { color: var(--warn); }

/* --------------------------------------------------------------- footer */

footer.bottom { border-top: 1px solid var(--line); padding: 34px 0 56px; color: var(--ink-faint); font-size: 14px; }
footer.bottom .wrap { display: flex; gap: 28px; flex-wrap: wrap; }
footer.bottom a { color: var(--ink-soft); text-decoration: none; }
footer.bottom a:hover { color: var(--ink); text-decoration: underline; }

ul.plain { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.stat-row { display: flex; gap: 28px; flex-wrap: wrap; margin: 22px 0 0; }
.stat { display: flex; flex-direction: column; }
.stat b { font-size: 24px; letter-spacing: -0.02em; }
.stat span { font-size: 13px; color: var(--ink-faint); }