/* Blog articles and «What's new» (BL-021), written for the repository.
   One reading column, the site's violet, system font — no web fonts, so the
   text paints at once. Built by tools/build-articles.py. */

:root {
  --ar-ink: #1c1650;
  --ar-text: #3a3a48;
  --ar-muted: #6b6b76;
  --ar-violet: #6B3FD6;
  --ar-line: #e8e2f6;
  --ar-soft: #f6f3fd;
  --ar-page: #ffffff;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.ar { margin: 0; background: var(--ar-page); color: var(--ar-text); font: 400 18px/1.65 -apple-system, system-ui, 'Segoe UI', Roboto, sans-serif; }
.ar a { color: var(--ar-violet); }
.ar img { max-width: 100%; height: auto; display: block; }

.ar-nav { max-width: 1080px; margin: 0 auto; padding: 18px 20px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.ar .ar-logo { display: flex; align-items: center; gap: 8px; font: 800 20px/1 -apple-system, system-ui, sans-serif; color: var(--ar-ink); text-decoration: none; }
.ar-logo img { width: 28px; height: 28px; border-radius: 7px; }
.ar-nav nav { display: flex; gap: 18px; flex-wrap: wrap; }
.ar-nav nav a { color: var(--ar-ink); text-decoration: none; font-size: 15px; font-weight: 600; }
.ar-nav nav a:hover { color: var(--ar-violet); }

.ar-main { padding: 8px 20px 56px; }
.ar-article { max-width: 720px; margin: 0 auto; }
.ar-crumbs { font-size: 14px; color: var(--ar-muted); }
.ar-crumbs a { color: var(--ar-muted); text-decoration: none; }
.ar-kicker { margin: 24px 0 8px; font-size: 14px; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; color: var(--ar-violet); }
.ar h1 { margin: 0; font: 800 clamp(32px, 6vw, 46px)/1.08 -apple-system, system-ui, sans-serif; letter-spacing: -1px; color: var(--ar-ink); text-wrap: balance; }
.ar-lead { margin: 16px 0 0; font-size: 21px; line-height: 1.5; color: var(--ar-text); }
.ar-hero { margin: 28px 0 8px; }
.ar-hero img { width: 100%; max-height: 460px; object-fit: cover; border-radius: 20px; background: var(--ar-soft); }

.ar-body h2 { margin: 40px 0 8px; font: 800 26px/1.2 -apple-system, system-ui, sans-serif; letter-spacing: -.4px; color: var(--ar-ink); }
.ar-body p { margin: 16px 0 0; }
.ar-body ul, .ar-body ol { margin: 14px 0 0; padding-left: 22px; }
.ar-body li { margin: 8px 0 0; }
.ar-body strong { color: var(--ar-ink); }
.ar-body blockquote { margin: 24px 0 0; padding: 18px 22px; border-left: 4px solid var(--ar-violet); background: var(--ar-soft); border-radius: 0 14px 14px 0; font-size: 20px; color: var(--ar-ink); }
.ar-body blockquote p { margin: 0; }

.ar-cta { margin: 44px 0 0; padding: 24px; border-radius: 20px; background: var(--ar-soft); border: 1px solid var(--ar-line); }
.ar-cta p { margin: 0 0 16px; font-size: 16px; }
.ar a.ar-btn { display: inline-flex; align-items: center; height: 48px; padding: 0 22px; border-radius: 24px; background: var(--ar-violet); color: #fff; font-weight: 700; text-decoration: none; }
.ar a.ar-btn:hover { background: #5330ad; }

.ar-more { margin: 44px 0 0; }
.ar-more h2 { font: 800 22px/1.2 -apple-system, system-ui, sans-serif; color: var(--ar-ink); margin: 0 0 8px; }
.ar-more ul { margin: 0; padding-left: 20px; }
.ar-more li { margin: 8px 0 0; }

.ar-wn { list-style: none; margin: 28px 0 0; padding: 0; border-left: 2px solid var(--ar-line); }
.ar-wn li { position: relative; padding: 0 0 22px 22px; }
.ar-wn li::before { content: ''; position: absolute; left: -7px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--ar-violet); }
.ar-wn p { margin: 0; }
.ar-wn .ar-wn-when { font-size: 15px; color: var(--ar-muted); }
.ar-wn .ar-wn-when strong { color: var(--ar-ink); }

.ar-more .ar-cards { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.ar-cards a { display: block; text-decoration: none; color: var(--ar-ink); }
.ar-cards img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; background: var(--ar-soft); }
.ar-cards span { display: block; margin-top: 8px; font-size: 13px; font-weight: 600; text-transform: uppercase; color: var(--ar-violet); }
.ar-cards b { display: block; margin-top: 2px; font-size: 16px; line-height: 1.3; }

.ar-foot { max-width: 1080px; margin: 0 auto; padding: 28px 20px 40px; border-top: 1px solid var(--ar-line); font-size: 14px; color: var(--ar-muted); }
.ar-foot nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 10px; }
.ar-foot a { color: var(--ar-muted); text-decoration: none; }
.ar-foot a:hover { color: var(--ar-violet); }
.ar-foot p { margin: 10px 0 0; }