:root {
  --bg: #ffffff;
  --bg-soft: #f3f6fb;
  --surface: #ffffff;
  --ink: #0f1a2e;
  --ink-mute: #4a5875;
  --line: #dde3ee;
  --brand: #1565c0;
  --brand-ink: #ffffff;
  --accent: #0b8a5f;
  --code-bg: #0e1426;
  --code-ink: #dfe7f7;
  --radius: 14px;
  --gutter: 16px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0f1c;
    --bg-soft: #0e1528;
    --surface: #111a30;
    --ink: #eef2f9;
    --ink-mute: #a8b3cf;
    --line: #22304f;
    --brand: #4a9ff5;
    --brand-ink: #06101f;
    --accent: #38c793;
    --code-bg: #060a14;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: anywhere;
}
a { color: var(--brand); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--gutter); top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }

header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.logo svg { width: 30px; height: 30px; flex: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  background: var(--brand); color: var(--brand-ink);
  font-weight: 650; text-decoration: none; border: 2px solid var(--brand);
}
.btn.ghost { background: transparent; color: var(--brand); }
.btn:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
header.top .btn { min-height: 44px; padding: 0 16px; font-size: .95rem; }

.hero { padding-top: 56px; padding-bottom: 40px; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.15; margin: 0 0 16px; letter-spacing: -.01em; }
.hero p.lead { font-size: 1.15rem; color: var(--ink-mute); max-width: 40em; margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.term {
  margin-top: 36px; background: var(--code-bg); color: var(--code-ink);
  border-radius: var(--radius); padding: 18px; font: 14px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-x: auto; white-space: pre;
}
.term .ok { color: #38c793; }

section { padding: 48px 0; }
section.soft { background: var(--bg-soft); }
h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); margin: 0 0 12px; line-height: 1.25; }
.sub { color: var(--ink-mute); margin: 0 0 28px; max-width: 42em; }
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid.three { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--ink-mute); }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.steps li { counter-increment: s; position: relative; padding-left: 52px; }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: 0;
  width: 36px; height: 36px; border-radius: 50%; background: var(--brand); color: var(--brand-ink);
  display: grid; place-items: center; font-weight: 700;
}
.steps strong { display: block; }

.price { text-align: center; }
.price .amount { font-size: clamp(2.4rem, 8vw, 3.4rem); font-weight: 800; margin: 8px 0; }
.price .amount small { font-size: 1rem; font-weight: 500; color: var(--ink-mute); }
.price .actions { justify-content: center; margin-top: 20px; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--ink-mute); font-size: .95rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer a { color: var(--ink-mute); }

.legal { padding: 40px 0 56px; }
.legal h1 { font-size: clamp(1.7rem, 5vw, 2.3rem); margin: 0 0 20px; }
.legal h2 { font-size: 1.2rem; margin: 28px 0 8px; }
.legal p, .legal li { max-width: 44em; }