:root {
  --bg: #f6f4f0;
  --surface: #ffffff;
  --text: #1f1d1a;
  --muted: #6b665e;
  --line: #e4dfd6;
  --accent: #b5452f;
  --accent-text: #ffffff;
  --accent-soft: #f6e4de;
  --alert-bg: #fdecea;
  --alert-text: #8a1f11;
  --ok: #2f7d4a;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --surface: #211f1c;
    --text: #f1ede6;
    --muted: #a8a196;
    --line: #34312c;
    --accent: #e0745b;
    --accent-text: #1a0d09;
    --accent-soft: #3a241e;
    --alert-bg: #3b1d17;
    --alert-text: #ffc9bd;
    --ok: #79c495;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .92em; word-break: break-all; }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 620px; margin-left: auto; margin-right: auto; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; padding-top: 12px; padding-bottom: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.brand-mark { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--accent); color: var(--accent-text); font-size: 1rem; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.nav a { color: var(--muted); text-decoration: none; font-size: .95rem; padding: 4px 0; }
.nav a[aria-current="page"], .nav a:hover { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }

main { padding-top: 24px; padding-bottom: 32px; }
.hero { padding: 16px 0 8px; }
.eyebrow { margin: 0; color: var(--accent); font-weight: 600; font-size: .9rem; }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); line-height: 1.2; margin: .2em 0 .4em; }
h2 { font-size: 1.25rem; margin: 0 0 .6em; }
h3 { font-size: 1.05rem; margin: 0 0 .3em; }
.lead { font-size: 1.1rem; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin: 16px 0; }
.card.narrow { margin-left: auto; margin-right: auto; }
.grid2 { display: grid; grid-template-columns: 1fr; gap: 0 16px; }
@media (min-width: 760px) { .grid2 { grid-template-columns: 1fr 1fr; } }

.features { padding-left: 1.1em; margin: 0 0 1em; }
.features li { margin: .45em 0; }
.steps { padding-left: 1.3em; }
.steps li { margin: .4em 0; }

.plans { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 8px 0 16px; }
@media (min-width: 560px) { .plans { grid-template-columns: 1fr 1fr; } }
.plan { position: relative; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.price { font-size: 1.6rem; font-weight: 700; margin: .1em 0; display: block; }
.badge { display: inline-block; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 1px 10px; font-size: .8rem; font-weight: 600; vertical-align: middle; }
.plan .badge { position: absolute; top: 12px; right: 12px; }

.plans-select { border: 0; padding: 0; margin: 0 0 16px; }
.plans-select legend { font-weight: 600; margin-bottom: 8px; }
.plan-option { display: flex; gap: 12px; align-items: flex-start; border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 10px; cursor: pointer; }
.plan-option:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.plan-option input { margin-top: 5px; accent-color: var(--accent); }
.plan-body { display: flex; flex-direction: column; }
.plan-title { font-weight: 600; }

.field { display: block; margin: 16px 0; }
.field > span { display: block; font-weight: 600; margin-bottom: 6px; }
.field input { width: 100%; font: inherit; padding: 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
.field input:focus, .check input:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.check { display: flex; gap: 10px; align-items: flex-start; margin: 16px 0; }
.check input { width: 20px; height: 20px; margin-top: 2px; flex: none; accent-color: var(--accent); }
.facts { padding-left: 1.1em; color: var(--muted); font-size: .95rem; }

.btn { display: inline-block; width: 100%; text-align: center; background: var(--accent); color: var(--accent-text); border: 0; border-radius: 12px; padding: 14px 20px; font: inherit; font-weight: 700; font-size: 1.05rem; text-decoration: none; cursor: pointer; margin-top: 8px; }
@media (min-width: 560px) { .btn { width: auto; min-width: 260px; } }

.alert { background: var(--alert-bg); color: var(--alert-text); border-radius: 12px; padding: 14px 16px; margin: 16px auto; max-width: 620px; }
.result-paid h1 { color: var(--ok); }

.payments { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 12px 0; }
.payments img { height: 24px; width: auto; }
.chip { border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; font-size: .8rem; font-weight: 600; color: var(--muted); background: var(--surface); }

.doc h2 { margin-top: 1.4em; }
.doc .card h2 { margin-top: 0; }
.doc section { scroll-margin-top: 16px; }
.toc ol { margin: 0; padding-left: 1.3em; }
.hash { font-size: .8rem; }
.kv { display: grid; grid-template-columns: 1fr; gap: 2px 16px; margin: 0; }
.kv dt { color: var(--muted); font-size: .9rem; margin-top: 8px; }
.kv dd { margin: 0; overflow-wrap: anywhere; }
@media (min-width: 560px) { .kv { grid-template-columns: 200px 1fr; } .kv dt { margin-top: 0; } }
.doclist { list-style: none; padding: 0; }

.foot { border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: .9rem; padding: 20px 0 28px; }
.foot p { margin: .5em 0; }
.foot .links { line-height: 1.9; }