:root {
  color-scheme: light;
  --page: #f7f7f4; --surface: #ffffff; --ink: #14161a; --ink2: #4a4f57; --muted: #7b808a;
  --line: rgba(20, 22, 26, .10); --accent: #1f4fd1; --accent-ink: #ffffff; --accent-soft: #e6edff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0e1013; --surface: #171a1f; --ink: #eef0f3; --ink2: #b9bec7; --muted: #8b919b;
    --line: rgba(255, 255, 255, .10); --accent: #6d93ff; --accent-ink: #0b0d12; --accent-soft: #1b2440;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0e1013; --surface: #171a1f; --ink: #eef0f3; --ink2: #b9bec7; --muted: #8b919b;
  --line: rgba(255, 255, 255, .10); --accent: #6d93ff; --accent-ink: #0b0d12; --accent-soft: #1b2440;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
header.top { border-bottom: 1px solid var(--line); background: var(--surface); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.logo { color: var(--ink); text-decoration: none; font-size: 19px; letter-spacing: -.01em; }
.logo b { font-weight: 750; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600;
  border-radius: 10px; padding: 12px 18px; border: 1px solid transparent; cursor: pointer; font: inherit; font-weight: 600; }
.btn:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.small { padding: 7px 12px; font-size: 15px; }
.hero { padding: 64px 0 40px; }
.kicker { color: var(--accent); font-weight: 650; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; margin: 0 0 12px; }
h1 { font-size: clamp(32px, 5.5vw, 52px); line-height: 1.1; letter-spacing: -.025em; margin: 0 0 18px; max-width: 18ch; }
.lead { font-size: 19px; color: var(--ink2); max-width: 60ch; margin: 0 0 26px; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.note { color: var(--muted); font-size: 15px; margin: 14px 0 0; }
section { padding: 28px 0; }
h2 { font-size: 24px; letter-spacing: -.01em; margin: 0 0 12px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.card h2 { font-size: 20px; }
.card p { margin: 0; color: var(--ink2); }
.steps ol { margin: 0; padding: 0; list-style: none; counter-reset: s; display: grid; gap: 12px; }
.steps li { counter-increment: s; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px 16px 62px; position: relative; color: var(--ink2); }
.steps li::before { content: counter(s); position: absolute; left: 18px; top: 15px; width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; display: grid; place-items: center; font-size: 15px; }
.steps li b { color: var(--ink); }
.guarantee { border-color: var(--accent); }
.guarantee p + p { margin-top: 8px; }
.small { font-size: 14px; color: var(--muted) !important; }
.contact p { margin: 4px 0; }
footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 22px 0 36px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px; }
footer a { color: var(--muted); }
.doc { padding: 40px 0; }
.doc h1 { font-size: 34px; }
.doc h2 { font-size: 20px; margin-top: 28px; }
.doc p, .doc li { color: var(--ink2); max-width: 70ch; }
.box { max-width: 560px; margin: 56px auto; }
.box h1 { font-size: 28px; }
.box form { margin-top: 20px; }