:root {
  --bg: #fbfaf7;
  --ink: #1b1f24;
  --muted: #5f6975;
  --line: #e4e1da;
  --accent: #1f6f5f;
  --accent-ink: #ffffff;
  --card: #ffffff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.top { border-bottom: 1px solid var(--line); background: var(--card); position: sticky; top: 0; z-index: 2; }
.top .row { min-height: 60px; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); letter-spacing: 0.01em; }
nav { display: flex; gap: 18px; align-items: center; }
nav a { text-decoration: none; color: var(--muted); font-size: 15px; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); padding: 12px 20px; border-radius: 10px; text-decoration: none; font-weight: 600; border: 0; cursor: pointer; font-size: 16px; }
.btn.small { padding: 8px 14px; font-size: 14px; color: #fff; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: 36px; line-height: 1.2; margin: 0 0 16px; max-width: 760px; }
.lead { font-size: 19px; color: var(--muted); max-width: 720px; margin: 0 0 24px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.block { padding: 32px 20px; }
.block h2 { font-size: 24px; margin: 0 0 16px; }
.cards { list-style: none; padding: 0; margin: 0 0 12px; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.cards li { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.cards span { color: var(--muted); font-size: 15px; }
.steps { padding-left: 22px; margin: 0; }
.steps > li { margin: 0 0 14px; }
.steps ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
details { border-top: 1px solid var(--line); padding: 12px 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 8px 0 0; color: var(--muted); }
.form-block { background: var(--card); border: 1px solid var(--line); border-radius: 16px; margin: 12px auto 40px; }
.form { display: grid; gap: 14px; max-width: 560px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.form input, .form select, .form textarea { font: inherit; color: var(--ink); padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.form .check { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.form .check input { width: 18px; height: 18px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.error { color: #a12b2b; margin: 0; }
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 24px 20px 40px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }
.center { text-align: center; padding: 80px 20px; }
@media (max-width: 640px) {
  .hero h1 { font-size: 28px; }
  nav a:not(.btn) { display: none; }
}