:root {
  --bg: #ffffff; --bg-alt: #f5f7fa; --text: #17202b; --muted: #5d6875; --line: #e2e6eb;
  --accent: #1f4e8c; --accent-hover: #173d6e; --accent-soft: #e9f0f9; --ok: #1d7a46; --error: #b3261e;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
section { padding: 72px 0; }
section:nth-of-type(even) { background: var(--bg-alt); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; }
h1 { font-size: clamp(30px, 5vw, 48px); letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 3.5vw, 34px); letter-spacing: -0.01em; }
h3 { font-size: 19px; }
.lead-text { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 720px; }

header.top { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.brand svg { width: 26px; height: 26px; }
nav { display: flex; gap: 20px; margin-left: auto; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }

.btn { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; font-size: 16px;
       padding: 13px 22px; border-radius: 10px; border: 0; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--accent-hover); }
.btn.small { padding: 8px 14px; font-size: 14px; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }

.hero { padding: 80px 0 64px; background: linear-gradient(180deg, var(--accent-soft), var(--bg)); }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.stat-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: 0 8px 24px rgba(23,32,43,.06); }
.stat-big { font-size: 56px; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-card table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 15px; }
.stat-card th, .stat-card td { text-align: left; padding: 6px 0; border-bottom: 1px solid var(--line); }
.stat-card th:not(:first-child), .stat-card td:not(:first-child) { text-align: right; }
.stat-card th { color: var(--muted); font-weight: 500; font-size: 13px; }

.grid { display: grid; gap: 20px; }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { position: relative; padding: 20px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.step::before { counter-increment: step; content: counter(step); display: inline-grid; place-items: center; width: 30px; height: 30px;
                border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; font-size: 15px; margin-bottom: 10px; }
.step.hot { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.step p { margin: 0; font-size: 15px; color: var(--muted); }

.fields { columns: 2; column-gap: 40px; padding: 0; list-style: none; margin: 0; }
.fields li { break-inside: avoid; padding: 8px 0 8px 28px; position: relative; }
.fields li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }

.leads { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.lead { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.lead h3 { font-size: 16px; margin: 10px 0 6px; }
.lead p { margin: 0; font-size: 14px; }
.lead-top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.chip { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 2px 10px; font-size: 13px; font-weight: 600; }
.hidden-data { margin-top: 10px !important; padding-top: 10px; border-top: 1px dashed var(--line); color: var(--muted); }


form.f { display: grid; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { font-size: 14px; color: var(--muted); display: grid; gap: 6px; }
input, textarea, select { font: inherit; font-size: 16px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--text); width: 100%; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { min-height: 96px; resize: vertical; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { font-size: 15px; display: none; }
.form-msg.ok { color: var(--ok); display: block; }
.form-msg.err { color: var(--error); display: block; }
.consent { font-size: 13px; color: var(--muted); margin: 0; }
.request-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: start; }
.request-grid ul { padding-left: 20px; color: var(--muted); }
.request-grid li { margin: 6px 0; }


details { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; font-size: 17px; }
details p { margin: 10px 0 0; color: var(--muted); }

footer.bottom { padding: 32px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
footer.bottom .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; }

@media (max-width: 900px) {
  .hero-grid, .request-grid { grid-template-columns: 1fr; gap: 32px; }
  .grid.c3, .leads { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  nav { display: none; }
  header.top .btn { margin-left: auto; }
}
@media (max-width: 600px) {
  section { padding: 52px 0; }
  .hero { padding: 48px 0; }
  .wrap { padding: 0 16px; }
  .grid.c3, .grid.c2, .leads, .steps, .row2 { grid-template-columns: 1fr; }
  .fields { columns: 1; }
  form.f { padding: 20px; }
}