:root {
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --bg-card: #ffffff;
  --ink: #14181f;
  --ink-soft: #5a6472;
  --line: #e3e8ef;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --accent-soft: #eff4ff;
  --ok: #0f9d58;
  --shadow: 0 1px 2px rgba(20, 24, 31, .05), 0 8px 24px rgba(20, 24, 31, .06);
  --radius: 14px;
  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* ---------- шапка ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(1.6) blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; gap: 20px; height: 62px; }
.logo { font-weight: 700; font-size: 18px; letter-spacing: -.2px; text-decoration: none; color: var(--ink); }
.logo span { color: var(--accent); }
.top nav { margin-left: auto; display: flex; gap: 22px; align-items: center; }
.top nav a { color: var(--ink-soft); text-decoration: none; font-size: 15px; }
.top nav a:hover { color: var(--ink); }

.btn {
  display: inline-block; padding: 11px 20px; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink); text-decoration: none;
  font-weight: 600; font-size: 15px; border: 1px solid transparent;
  transition: filter .15s ease;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* ---------- герой ---------- */
.hero { padding: 76px 0 56px; }
.hero h1 {
  margin: 0 0 18px; font-size: 46px; line-height: 1.12;
  letter-spacing: -1px; font-weight: 750; max-width: 20ch;
}
.hero p.lead { margin: 0 0 30px; font-size: 19px; color: var(--ink-soft); max-width: 60ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-note { font-size: 14px; color: var(--ink-soft); margin-top: 14px; }

/* ---------- секции ---------- */
section { padding: 56px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 30px; letter-spacing: -.5px; margin: 0 0 10px; font-weight: 700; }
section > .wrap > p.sub { color: var(--ink-soft); margin: 0 0 34px; max-width: 65ch; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 650; }
.card p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.card .num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 9px;
  background: var(--accent-soft); color: var(--accent);
  font-weight: 700; font-size: 14px; margin-bottom: 12px;
}

/* ---------- тарифы ---------- */
.tariffs { display: grid; gap: 18px; grid-template-columns: repeat(4, 1fr); }
.tariff {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 20px; background: var(--bg-card); position: relative;
}
.tariff.best { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.tariff .term { font-size: 15px; color: var(--ink-soft); }
.tariff .price { font-size: 30px; font-weight: 750; letter-spacing: -.8px; margin: 6px 0 2px; }
.tariff .per { font-size: 14px; color: var(--ink-soft); }
.tariff .save {
  display: inline-block; margin-top: 12px; font-size: 13px; font-weight: 600;
  color: var(--ok); background: #eaf7ef; border-radius: 7px; padding: 3px 9px;
}
.tariff .tag {
  position: absolute; top: -11px; left: 20px; background: var(--accent);
  color: #fff; font-size: 12px; font-weight: 650; padding: 3px 10px; border-radius: 20px;
}

/* ---------- прочее ---------- */
.faq details {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 10px; background: var(--bg-card);
}
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--ink-soft); margin: 10px 0 0; }

.cta {
  background: var(--bg-soft); border-radius: 18px; padding: 42px 32px;
  text-align: center; margin: 10px 0 0;
}
.cta h2 { margin-bottom: 8px; }
.cta p { color: var(--ink-soft); margin: 0 0 22px; }

footer {
  border-top: 1px solid var(--line); padding: 34px 0 46px;
  color: var(--ink-soft); font-size: 14px;
}
footer .cols { display: flex; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
footer a { color: var(--ink-soft); }
footer .req { max-width: 52ch; }

/* ---------- юридические страницы ---------- */
.doc { padding: 44px 0 60px; max-width: 780px; }
.doc h1 { font-size: 32px; letter-spacing: -.6px; margin: 0 0 6px; }
.doc .updated { color: var(--ink-soft); font-size: 14px; margin-bottom: 30px; }
.doc h2 { font-size: 21px; margin: 32px 0 10px; }
.doc p, .doc li { color: #2b3340; }
.doc ul { padding-left: 22px; }
.doc a { color: var(--accent); }
.fill {
  background: #fff4d6; border: 1px dashed #d9a900; border-radius: 6px;
  padding: 1px 7px; font-weight: 600; color: #7a5c00;
}

@media (max-width: 900px) {
  .grid, .tariffs { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 36px; }
  .top nav a:not(.btn) { display: none; }
}
@media (max-width: 560px) {
  .grid, .tariffs { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 36px; }
}