:root {
  --graphite: #2b2b2b;
  --graphite-2: #3a3a3a;
  --yellow: #ffd400;
  --text: #1d1d1d;
  --muted: #6b6b6b;
  --bg: #f6f5f1;
  --card: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

/* Шапка */
.top { background: var(--graphite); color: #fff; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 20px; letter-spacing: .5px; text-decoration: none; }
.logo span { color: var(--yellow); }
.top nav a { color: #ddd; text-decoration: none; font-size: 15px; margin-left: 18px; }
.top nav a:hover { color: var(--yellow); }

/* Первый экран */
.hero { background: var(--graphite); color: #fff; padding: 48px 0 56px; }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 14px; }
.hero h1 .accent { color: var(--yellow); }
.hero p { font-size: 19px; color: #e6e6e6; margin: 0; max-width: 600px; }
.tag { display: inline-block; background: var(--yellow); color: var(--graphite); font-weight: 700; font-size: 13px; padding: 4px 10px; border-radius: 4px; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .5px; }

section { padding: 40px 0 8px; }
h2 { font-size: 26px; margin: 0 0 16px; }

.card { background: var(--card); border-radius: 12px; padding: 24px; margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }

ul.list { padding-left: 0; list-style: none; margin: 0; }
ul.list li { position: relative; padding-left: 26px; margin-bottom: 12px; }
ul.list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 12px; height: 4px; background: var(--yellow); }

ol.steps { padding-left: 22px; margin: 0; }
ol.steps li { margin-bottom: 8px; }

/* Блок оплаты */
.buy { background: var(--graphite); color: #fff; border-radius: 12px; padding: 28px 24px; margin: 32px 0; }
.price { font-size: 44px; font-weight: 800; color: var(--yellow); margin: 0 0 4px; }
.price-note { color: #ccc; margin: 0 0 20px; font-size: 15px; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: #ddd; margin-bottom: 18px; cursor: pointer; }
.agree input { margin-top: 4px; width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--yellow); }
.agree a { color: var(--yellow); }
.btn { display: inline-block; background: var(--yellow); color: var(--graphite); font-weight: 800; font-size: 18px; padding: 16px 32px; border-radius: 8px; text-decoration: none; border: 0; cursor: pointer; }
.btn.disabled { opacity: .4; pointer-events: none; }

/* Карточка продукта на главной */
.product { display: block; text-decoration: none; }
.product h3 { margin: 0 0 6px; font-size: 22px; }
.product p { margin: 0 0 10px; color: var(--muted); }
.product .more { font-weight: 700; border-bottom: 3px solid var(--yellow); }

/* Документы */
.doc { background: var(--card); border-radius: 12px; padding: 32px 28px; margin: 32px 0; }
.doc h1 { font-size: 26px; line-height: 1.25; margin: 0 0 6px; }
.doc .date { color: var(--muted); margin: 0 0 24px; }
.doc h2 { font-size: 19px; margin: 26px 0 10px; }
.doc p { margin: 0 0 10px; }
.doc ul { margin: 0 0 10px; padding-left: 22px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 15px; margin-bottom: 10px; }
.doc td, .doc th { border: 1px solid #ddd; padding: 8px; text-align: left; vertical-align: top; }

/* Подвал */
footer { background: var(--graphite); color: #bbb; font-size: 14px; padding: 28px 0; margin-top: 40px; }
footer p { margin: 0 0 6px; }
footer a { color: #ddd; }
footer .links a { margin-right: 16px; }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero h1 { font-size: 30px; }
  .top nav { display: none; }
  .doc { padding: 22px 16px; }
}