:root {
  --bg: #ffffff;
  --alt: #f4f6f9;
  --ink: #16202e;
  --muted: #526071;
  --line: #dde3ea;
  --accent: #e8590c;
  --accent-ink: #ffffff;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10161f;
    --alt: #161e2a;
    --ink: #eef2f7;
    --muted: #a3b0c0;
    --line: #263244;
    --accent: #ff7a2e;
    --accent-ink: #1a0e05;
    --card: #1a2331;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
a { color: inherit; }

.top { position: sticky; top: 0; background: var(--bg); border-bottom: 1px solid var(--line); z-index: 5; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { font-weight: 800; font-size: 20px; text-decoration: none; letter-spacing: .01em; }
.brand span { color: var(--accent); }
.top nav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.top nav a { text-decoration: none; padding: 8px 10px; border-radius: 8px; font-size: 15px; color: var(--muted); }
.top nav a:hover { color: var(--ink); background: var(--alt); }
.top nav a.cta { background: var(--accent); color: var(--accent-ink); font-weight: 600; }

.hero { padding: 72px 0 64px; background: var(--alt); border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-weight: 700; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; }
h1 { margin: 0 0 16px; font-size: clamp(30px, 6vw, 52px); line-height: 1.12; max-width: 18ch; }
.lead { margin: 0 0 28px; font-size: 19px; color: var(--muted); max-width: 52ch; }
.actions { margin: 0; display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 10px; background: var(--accent); color: var(--accent-ink); font-weight: 700; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); border: 2px solid var(--line); }
.btn:hover { filter: brightness(1.06); }

.block { padding: 56px 0; }
.block.alt { background: var(--alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { margin: 0 0 24px; font-size: clamp(24px, 4vw, 34px); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }

.steps { margin: 0; padding-left: 22px; display: grid; gap: 12px; max-width: 70ch; }
.steps li::marker { color: var(--accent); font-weight: 800; }

.req { margin: 24px 0 0; display: grid; gap: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.req div { display: grid; grid-template-columns: 200px 1fr; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card); }
.req div:last-child { border-bottom: 0; }
.req dt { color: var(--muted); font-size: 15px; }
.req dd { margin: 0; }

.contacts { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 12px; }
.contacts li { display: flex; gap: 16px; align-items: baseline; flex-wrap: wrap; }
.contacts span { color: var(--muted); min-width: 90px; }
.contacts a { font-size: 22px; font-weight: 700; text-decoration: none; border-bottom: 2px solid var(--accent); }

.foot { padding: 28px 0 40px; color: var(--muted); font-size: 14px; }

@media (max-width: 640px) {
  .hero { padding: 48px 0 44px; }
  .block { padding: 40px 0; }
  .req div { grid-template-columns: 1fr; gap: 2px; }
  .top nav a:not(.cta) { display: none; }
}