/* За стеной — заметки о тишине в квартире */
:root {
  --bg: #f6f3ee;
  --paper: #ffffff;
  --ink: #2b2a28;
  --muted: #6d6a64;
  --accent: #8a5a3b;
  --accent-soft: #e9ddd2;
  --line: #e2ddd5;
  --radius: 14px;
  --wrap: 1040px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* шапка */
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 650; letter-spacing: .01em; }
.brand img { width: 34px; height: 34px; }
.nav { display: flex; gap: 22px; }
.nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav a[aria-current="page"], .nav a:hover { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font: inherit; color: var(--ink); }

/* первый экран */
.hero { padding: 64px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -.01em; }
.hero p { color: var(--muted); margin: 0 0 24px; max-width: 34em; }
.btn { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; padding: 11px 20px; border-radius: 999px; font-size: 15px; }
.btn:hover { background: #744a30; }

/* карточки */
.section { padding: 32px 0 56px; }
.section h2 { font-size: 26px; margin: 0 0 20px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 10px 0 8px; font-size: 19px; line-height: 1.3; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .tag { display: inline-block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); background: var(--accent-soft); padding: 2px 8px; border-radius: 6px; }

/* статьи */
.article { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 32px; margin-bottom: 24px; }
.article h2 { margin-top: 0; font-size: 24px; }
.article .meta { color: var(--muted); font-size: 14px; margin: -6px 0 14px; }
.article ul { padding-left: 1.2em; }
.note { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 12px 16px; border-radius: 0 10px 10px 0; font-size: 15px; }
table.db { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
table.db th, table.db td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
table.db th { color: var(--muted); font-weight: 600; }

/* подвал */
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 26px 0 40px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* 404 */
.notfound { text-align: center; padding: 90px 0 110px; }
.notfound img { width: 180px; margin: 0 auto 24px; }
.notfound h1 { font-size: 34px; margin: 0 0 10px; }
.notfound p { color: var(--muted); }

@media (max-width: 820px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; gap: 0; padding: 8px 20px 14px; }
  .nav.open { display: flex; }
  .nav a { padding: 8px 0; }
  .nav-toggle { display: inline-block; }
  .site-header { position: relative; }
  .article { padding: 22px 20px; }
}