/* ====================================================================
   PRO-Z · Стили публичных лендингов /lenta-info, /stolb-info
   ==================================================================== */

* { box-sizing: border-box; }

:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #1a2440;
  --ink-2: #475066;
  --muted: #7a839a;
  --brand: #1a2f6b;
  --brand-2: #233a82;
  --accent: #ffd24a;
  --line: #e3e6ef;
  --code-bg: #f1f4fb;
  --ok: #2a8a4a;
  --shadow: 0 8px 30px rgba(20,40,90,.08);
}

html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

/* ----- Шапка ----- */
.lp-header {
  background: linear-gradient(90deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.lp-header a.lp-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .5px;
}
.lp-header a.lp-logo img { width: 32px; height: 32px; border-radius: 50%; background: #fff; }
.lp-cta-top {
  display: inline-block;
  background: var(--accent);
  color: #1a2440;
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: transform .12s ease, box-shadow .12s ease;
}
.lp-cta-top:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(0,0,0,.15); }

/* ----- Hero ----- */
.lp-hero {
  background: #fff;
  padding: 56px 20px 44px;
  border-bottom: 1px solid var(--line);
}
.lp-hero-inner { max-width: 880px; margin: 0 auto; }
.lp-hero h1 {
  margin: 0 0 12px;
  font-size: 34px;
  line-height: 1.2;
  color: var(--ink);
}
.lp-hero p.lead {
  margin: 0 0 22px;
  font-size: 18px;
  color: var(--ink-2);
}
.lp-hero .standards {
  display: inline-flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 22px;
}
.lp-hero .badge {
  background: #eef2fb;
  color: var(--brand);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
}
.lp-cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.lp-cta {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  transition: background .12s ease;
}
.lp-cta:hover { background: var(--brand-2); }
.lp-cta.is-ghost {
  background: transparent;
  color: var(--brand);
  border: 1.5px solid var(--brand);
}
.lp-cta.is-ghost:hover { background: var(--brand); color: #fff; }

/* ----- Контент ----- */
.lp-section {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 20px;
}
.lp-section h2 {
  font-size: 26px;
  margin: 0 0 16px;
  color: var(--ink);
}
.lp-section h3 {
  font-size: 19px;
  margin: 26px 0 10px;
  color: var(--ink);
}
.lp-section p { margin: 0 0 14px; color: var(--ink-2); }
.lp-section ul, .lp-section ol { margin: 0 0 14px 0; padding-left: 22px; color: var(--ink-2); }
.lp-section li { margin-bottom: 6px; }

/* Карточки факта */
.lp-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 18px 0 6px;
}
.lp-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.lp-card .lp-card-title {
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 6px;
  font-size: 14px;
  letter-spacing: .3px;
  text-transform: uppercase;
}
.lp-card .lp-card-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}
.lp-card .lp-card-desc { font-size: 13px; color: var(--muted); }

/* Формула */
.lp-formula {
  background: var(--code-bg);
  border-left: 4px solid var(--brand);
  border-radius: 10px;
  padding: 16px 18px;
  font-family: "Cambria Math", "Times New Roman", Georgia, serif;
  font-size: 18px;
  color: var(--ink);
  margin: 12px 0 18px;
  overflow-x: auto;
}
.lp-formula em { font-style: italic; color: var(--brand); }

/* Пример расчёта (таблица) */
.lp-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 14px 0 18px;
  box-shadow: var(--shadow);
}
.lp-table th, .lp-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}
.lp-table th { background: #eef2fb; color: var(--brand); font-weight: 700; }
.lp-table tr:last-child td { border-bottom: none; }
.lp-table .num { text-align: right; font-variant-numeric: tabular-nums; }

.lp-callout {
  background: #fff8e1;
  border-left: 4px solid var(--accent);
  padding: 14px 18px;
  border-radius: 10px;
  margin: 16px 0;
  color: var(--ink);
}

/* CTA-баннер */
.lp-cta-banner {
  background: linear-gradient(90deg, var(--brand) 0%, var(--brand-2) 100%);
  color: #fff;
  padding: 36px 20px;
  text-align: center;
  margin-top: 24px;
}
.lp-cta-banner h2 { color: #fff; margin: 0 0 8px; font-size: 24px; }
.lp-cta-banner p { color: #c9d2ed; margin: 0 0 18px; }
.lp-cta-banner .lp-cta {
  background: var(--accent);
  color: #1a2440;
}
.lp-cta-banner .lp-cta:hover { background: #ffe082; }

/* Подвал */
.lp-footer {
  background: #1a2440;
  color: #b0b9d0;
  padding: 28px 20px;
  font-size: 13px;
  text-align: center;
}
.lp-footer a { color: #ffd24a; text-decoration: none; }
.lp-footer .lp-footer-row { max-width: 880px; margin: 0 auto; }
.lp-footer p { margin: 4px 0; }

@media (max-width: 720px) {
  .lp-hero { padding: 36px 18px 28px; }
  .lp-hero h1 { font-size: 26px; }
  .lp-hero p.lead { font-size: 16px; }
  .lp-section { padding: 30px 18px; }
  .lp-section h2 { font-size: 22px; }
  .lp-formula { font-size: 16px; }
}