/* Демьяныч — витрина demyanych.club. Общие стили. */
:root {
  --bg: #0d0f14;
  --bg-soft: #141821;
  --card: #181d28;
  --line: #232a38;
  --text: #e7ecf3;
  --muted: #9aa6b8;
  --brand: #6ee7a8;
  --brand-2: #4fd1c5;
  --accent: #7c9cff;
  --danger: #ff6b6b;
  --radius: 16px;
  --maxw: 1100px;
  --shadow: 0 10px 40px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #18324a 0%, transparent 60%), var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(13,15,20,.72);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--text); }
.brand .logo {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  display: grid; place-items: center; color: #06251a; font-weight: 900;
}
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.btn {
  display: inline-block; padding: 11px 18px; border-radius: 12px; font-weight: 700;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #06251a;
  border: none; cursor: pointer; font-size: 15px;
}
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.lg { padding: 15px 26px; font-size: 17px; }
.btn.block { display: block; text-align: center; width: 100%; }

/* Hero */
.hero { padding: 80px 0 50px; }
.hero h1 { font-size: 46px; line-height: 1.1; margin: 0 0 18px; letter-spacing: -.5px; }
.hero h1 .grad { background: linear-gradient(135deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 20px; color: var(--muted); max-width: 680px; margin: 0 0 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { color: var(--muted); font-size: 14px; }

/* Sections */
section { padding: 56px 0; }
.section-title { font-size: 32px; margin: 0 0 12px; letter-spacing: -.3px; }
.section-sub { color: var(--muted); font-size: 17px; margin: 0 0 36px; max-width: 640px; }

/* Feature grid */
.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.card h3 { margin: 8px 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.ico { font-size: 26px; }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.plan {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; display: flex; flex-direction: column;
}
.plan.popular { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand), var(--shadow); position: relative; }
.plan .badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--brand); color: #06251a; font-weight: 800; font-size: 12px;
  padding: 4px 12px; border-radius: 999px;
}
.plan h3 { margin: 0 0 6px; font-size: 22px; }
.plan .price { font-size: 38px; font-weight: 800; margin: 6px 0 2px; }
.plan .price span { font-size: 16px; color: var(--muted); font-weight: 600; }
.plan .per { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; }
.plan ul li { padding: 7px 0; border-bottom: 1px dashed var(--line); color: var(--text); font-size: 15px; }
.plan ul li::before { content: "✓"; color: var(--brand); font-weight: 800; margin-right: 9px; }
.plan .btn { margin-top: auto; }

/* FAQ */
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 20px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 700; font-size: 16px; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq p { color: var(--muted); margin: 12px 0 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 48px 0 32px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.footer-grid h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); margin: 0 0 14px; }
.footer-grid a { display: block; color: var(--text); padding: 5px 0; font-size: 15px; }
.footer-grid a:hover { color: var(--brand); text-decoration: none; }
.req { color: var(--muted); font-size: 13px; line-height: 1.7; margin-top: 14px; }
.req strong { color: var(--text); }
.copyright { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 20px; color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Legal / content pages */
.legal { padding: 50px 0 30px; }
.legal .doc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.legal h1 { font-size: 30px; margin: 0 0 6px; }
.legal .meta { color: var(--muted); font-size: 14px; margin-bottom: 30px; }
.legal h2 { font-size: 20px; margin: 30px 0 10px; }
.legal h3 { font-size: 16px; margin: 20px 0 8px; }
.legal p, .legal li { color: #c8d2e0; font-size: 15px; }
.legal ul, .legal ol { padding-left: 22px; }
.legal a { color: var(--brand-2); }
.legal .back { display: inline-block; margin-bottom: 20px; color: var(--muted); }

/* Payment page */
.pay-wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: start; padding: 50px 0; }
.pay-form .field { margin-bottom: 16px; }
.pay-form label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.pay-form input[type=email], .pay-form input[type=text] {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg-soft); color: var(--text); font-size: 15px;
}
.pay-plan { display: flex; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.pay-plan label {
  flex: 1; min-width: 130px; border: 1px solid var(--line); border-radius: 12px; padding: 14px;
  cursor: pointer; background: var(--bg-soft);
}
.pay-plan input { margin-right: 8px; }
.pay-plan label:has(input:checked) { border-color: var(--brand); box-shadow: 0 0 0 1px var(--brand); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--muted); margin: 18px 0; }
.summary-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); position: sticky; top: 84px; }
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.summary-total { display: flex; justify-content: space-between; padding: 14px 0 6px; font-size: 22px; font-weight: 800; }
.pay-methods { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 13px; margin-top: 14px; }

.badge-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.pill { border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; color: var(--muted); font-size: 13px; background: var(--bg-soft); }

@media (max-width: 860px) {
  .grid.cols-3, .grid.cols-4, .plans { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .pay-wrap { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .nav-links { display: none; }
}

/* Cookie banner */
.cookie-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 100;
  max-width: 780px; margin: 0 auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; box-shadow: var(--shadow);
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
}
.cookie-banner p { margin: 0; flex: 1; min-width: 240px; color: var(--muted); font-size: 14px; }
.cookie-banner a { color: var(--brand-2); }
.cookie-banner .cb-actions { display: flex; gap: 10px; }
.cookie-banner button {
  padding: 9px 16px; border-radius: 10px; font-weight: 700; cursor: pointer;
  border: 1px solid var(--line); font-size: 14px;
}
.cookie-banner .cb-accept { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #06251a; border: none; }
.cookie-banner .cb-decline { background: transparent; color: var(--text); }
@media (max-width: 560px) {
  .cookie-banner { flex-direction: column; align-items: stretch; }
  .cookie-banner .cb-actions { justify-content: flex-end; }
}