/* Клуб Друзей — минимальные стили без внешних зависимостей */
:root {
  --fg: #1b1f24;
  --muted: #5c6672;
  --line: #e3e7ec;
  --bg: #ffffff;
  --accent: #0f4c81;
  --accent-soft: #f2f6fb;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.wrap {
  width: 100%;
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration: none; }

/* header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: .01em;
}
.site-nav { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; font-size: .95rem; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a:hover { color: var(--accent); text-decoration: underline; }

/* landing */
.hero { padding: 3rem 0 1.5rem; }
.hero h1 { margin: 0 0 .75rem; font-size: 2rem; line-height: 1.25; }
.hero p { margin: 0 0 .75rem; color: var(--muted); max-width: 38rem; }

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  padding: 1rem 0 2.5rem;
}
.card {
  display: block;
  padding: 1.25rem 1.25rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: .5rem;
  background: var(--accent-soft);
  color: inherit;
  text-decoration: none;
}
.card:hover { border-color: var(--accent); }
.card h2 { margin: 0 0 .4rem; font-size: 1.1rem; color: var(--fg); }
.card p { margin: 0; font-size: .95rem; color: var(--muted); }

.contact { padding: 0 0 3rem; }
.contact h2 { font-size: 1.1rem; margin: 0 0 .5rem; }
.contact p { margin: 0 0 .35rem; }

/* documents */
main h1 {
  font-size: 1.75rem;
  line-height: 1.3;
  margin: 2rem 0 .5rem;
}
.doc-meta { color: var(--muted); font-size: .95rem; margin: 0 0 2rem; }

.toc {
  border: 1px solid var(--line);
  border-radius: .5rem;
  padding: 1rem 1.25rem 1.25rem;
  margin-bottom: 2.5rem;
  background: #fbfcfd;
}
.toc-title { margin: 0 0 .5rem; font-weight: 700; font-size: .95rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.toc ol { margin: 0; padding-left: 1.25rem; }
.toc li { margin: .15rem 0; font-size: .95rem; }
.toc li.lvl-3 { margin-left: 1rem; list-style: circle; }

.doc h2 { font-size: 1.3rem; margin: 2.25rem 0 .75rem; line-height: 1.35; }
.doc h3 { font-size: 1.1rem; margin: 1.75rem 0 .6rem; line-height: 1.35; }
.doc h4 { font-size: 1rem; margin: 1.5rem 0 .5rem; line-height: 1.4; }
.doc p { margin: 0 0 .9rem; }
.doc ul { margin: 0 0 .9rem; padding-left: 1.25rem; }
.doc li { margin: 0 0 .35rem; }

.table-wrap { overflow-x: auto; margin: 0 0 1.25rem; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { border: 1px solid var(--line); padding: .5rem .65rem; text-align: left; vertical-align: top; }
th { background: #f4f6f9; font-weight: 600; }

.pdf-note {
  margin: 2.5rem 0 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: .95rem;
  color: var(--muted);
}

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  font-size: .9rem;
  color: var(--muted);
}
.site-footer p { margin: 0 0 .35rem; }

@media (max-width: 40rem) {
  body { font-size: 16px; }
  .hero { padding-top: 2rem; }
  .hero h1 { font-size: 1.6rem; }
  main h1 { font-size: 1.4rem; margin-top: 1.5rem; }
  .doc h2 { font-size: 1.15rem; }
  .header-inner { gap: .35rem .9rem; }
}