/* Блог: статьи и оглавление. Основа — landing.css. */
.art { font-size: 18px; line-height: 1.7; }
.art h1 { font-size: clamp(30px, 4vw, 44px); line-height: 1.15; letter-spacing: -.02em; margin: 8px 0; }
.art h2 { font-size: 26px; margin: 36px 0 10px; letter-spacing: -.01em; }
.art h3 { font-size: 20px; margin: 24px 0 8px; }
.art p, .art li { color: var(--text); }
.art ul, .art ol { padding-left: 22px; }
.art li { margin: 6px 0; }
.art-note { margin: 18px 0; padding: 14px 18px; border-left: 4px solid var(--accent-br); border-radius: 10px; background: var(--accent-weak); font-size: 17px; }
.art-crumbs { font-size: 14px; margin-bottom: 8px; }
.art-cta { display: grid; gap: 8px; margin: 36px 0; padding: 22px; border-radius: 18px; background: var(--accent-weak); border: 1px solid var(--border); }
.art-cta .btn { justify-self: start; }
.art-more { display: grid; gap: 10px; margin-bottom: 40px; }
.art-more a, .art-list a { display: grid; gap: 4px; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--border); background: var(--surface); text-decoration: none; color: var(--text); }
.art-more span, .art-list span { color: var(--text-2); font-size: 15px; }
.art-list { display: grid; gap: 12px; margin: 20px 0 40px; }
.art-list b { font-size: 19px; }
.art-list time { color: var(--text-3); font-size: 13px; }
.art .doc-meta { margin: 0 0 22px; color: var(--text-3); }
.art-cat { display: inline-block; font-style: normal; font-size: 13px; font-weight: 600; color: var(--accent-text, var(--text-2)); }
.art-list .art-cat { justify-self: start; padding: 2px 10px; border-radius: 99px; background: var(--accent-weak); }
.art-cats { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 4px; }
.art-cats button { font: inherit; font-size: 15px; padding: 8px 16px; border-radius: 99px; border: 1px solid var(--border); background: var(--surface); color: var(--text); cursor: pointer; }
.art-cats button.is-on { background: var(--accent-weak); border-color: var(--accent-br); font-weight: 600; }
.art-list a[hidden] { display: none; }
.art-cover { display: block; width: 100%; height: auto; border-radius: 18px; border: 1px solid var(--border); margin: 4px 0 22px; }
.art-list { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); align-items: stretch; }
.art-list a { align-content: start; overflow: hidden; }
.art-thumb { display: block; width: calc(100% + 36px); height: auto; margin: -16px -18px 8px; border-bottom: 1px solid var(--border); }
.art-new { justify-self: start; font-style: normal; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 99px; background: #6d28d9; color: #fff; }
.art-upd { color: var(--accent-text); font-weight: 600; }
.art-files { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 18px 0 6px; padding: 14px 16px; border-radius: 16px; background: var(--accent-weak); border: 1px solid var(--border); }
.art-files b { flex: 1 1 100%; }
.art-files span { flex: 1 1 100%; color: var(--text-2); font-size: 15px; }

/* Оглавление блога — на всю ширину, по 4 карточки (24.09) */
.wrap.art-wide { max-width: 1320px; }
.art-wide .art-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.art-wide .art-list b { font-size: 17px; line-height: 1.3; }
.art-wide .art-list span { font-size: 14px; }
@media (max-width: 1180px) { .art-wide .art-list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 860px) { .art-wide .art-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .art-wide .art-list { grid-template-columns: 1fr; } }