:root {
  --paper: #fcfaf6;
  --ink: #29252e;
  --muted: #716a73;
  --line: #e4ded6;
  --accent: #755aa5;
  --accent-soft: #eee8f8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #f5f1eb;
  font: 17px/1.85 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
a { color: var(--accent); }
.site-nav {
  width: min(1020px, calc(100% - 40px));
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
}
.site-nav a { text-decoration: none; }
.site-nav .brand { color: var(--ink); font-weight: 700; letter-spacing: .04em; }
.back-link { color: var(--muted); }
.article {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto 64px;
  padding: clamp(32px, 7vw, 76px) clamp(22px, 8vw, 92px) 72px;
  background: var(--paper);
  border: 1px solid rgba(219, 211, 201, .9);
  box-shadow: 0 18px 48px rgba(75, 57, 72, .1);
}
.eyebrow { margin: 0 0 18px; color: var(--accent); font: 13px/1.4 'JetBrains Mono', monospace; letter-spacing: .12em; text-transform: uppercase; }
h1, h2 { line-height: 1.25; letter-spacing: -.02em; }
h1 { max-width: 700px; margin: 0; font-size: clamp(34px, 6vw, 58px); }
.lead { max-width: 680px; margin: 24px 0 0; color: #514a55; font-size: 20px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0 42px; }
.meta span { padding: 4px 10px; color: #5d4a82; background: var(--accent-soft); border-radius: 999px; font: 12px 'JetBrains Mono', monospace; }
.hero, .gallery img, video { display: block; width: 100%; border: 1px solid var(--line); background: #0c0d14; }
.hero { max-height: 590px; object-fit: cover; object-position: center; }
.article section { margin-top: 48px; }
h2 { margin: 0 0 16px; font-size: 26px; }
p { margin: 0 0 16px; }
.callout { padding: 20px 22px; border-left: 3px solid var(--accent); background: #f5f1fa; }
.button { display: inline-block; margin-top: 4px; padding: 10px 18px; color: #fff; background: var(--accent); border-radius: 7px; text-decoration: none; font-size: 15px; transition: transform .2s, background .2s; }
.button:hover { background: #5f438c; transform: translateY(-1px); }
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.gallery figure { margin: 0; }
.gallery img { aspect-ratio: 2 / 3; object-fit: cover; }
figcaption { margin-top: 8px; color: var(--muted); font-size: 13px; }
.workflow { margin: 0; padding-left: 22px; }
.workflow li { margin: 10px 0; padding-left: 5px; }
.article-footer { margin-top: 52px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 620px) {
  .site-nav, .article { width: min(100% - 24px, 900px); }
  .article { padding: 32px 20px 48px; }
  .lead { font-size: 18px; }
  .gallery { grid-template-columns: 1fr; }
}