:root {
  --bg: #f4f7fb;
  --paper: #ffffff;
  --ink: #16233a;
  --muted: #647086;
  --blue: #1d5fa8;
  --red: #c83f3f;
  --line: #d7deea;
  font-family: Inter, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--bg); }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; max-width: 100%; height: auto; object-fit: cover; }
.site-header { display: grid; grid-template-columns: 280px 1fr; align-items: center; padding: 0 6%; background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 12px; padding: 18px 0; font-weight: 900; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; background: var(--blue); color: #fff; border-radius: 6px; }
nav { justify-self: end; display: flex; flex-wrap: wrap; gap: 8px; font-weight: 800; color: var(--blue); }
nav a { padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 430px; gap: 36px; align-items: center; padding: 56px 6%; }
.hero h1, .detail-hero h1 { margin: 0 0 18px; font-size: 52px; line-height: 1.02; }
.hero p, .detail-hero p, .section-heading p, .essay p, .article-body p, .topic-list em, li { color: var(--muted); font-size: 16px; line-height: 1.72; }
.primary-link { display: inline-flex; margin-top: 24px; padding: 13px 18px; background: var(--blue); color: #fff; border-radius: 6px; font-weight: 900; }
.hero-media img, .detail-media img, .blog-teaser img { aspect-ratio: 4 / 3; border-radius: 6px; border: 1px solid var(--line); box-shadow: 0 20px 60px rgba(29,95,168,.12); }
.intro-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; padding: 1px 6%; background: var(--line); }
.intro-grid article { background: var(--paper); padding: 18px; }
.intro-grid img { aspect-ratio: 4 / 3; border-radius: 6px; margin-bottom: 12px; }
.intro-grid span, .topic-list span, .back-link, .blog-teaser span, .article-kicker { color: var(--red); font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
h2 { margin: 0 0 14px; font-size: 32px; line-height: 1.08; }
.essay, .content-layout { display: grid; grid-template-columns: 320px minmax(0, 760px); gap: 28px; padding: 52px 6%; }
.essay aside, .side-panel { order: -1; background: var(--paper); border: 1px solid var(--line); border-left: 6px solid var(--blue); padding: 22px; border-radius: 6px; }
.blog-teaser { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; align-items: center; padding: 50px 6%; background: #e7edf6; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.visual-slider, .page-index, .related-pages, .blog-gallery, .related-band, .all-pages { padding: 52px 6%; }
.slider-track { display: grid; grid-auto-flow: column; grid-auto-columns: 330px; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; }
.slide-card, .topic-list a { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 12px; }
.slide-card { scroll-snap-align: start; }
.slide-card img, .topic-list img { aspect-ratio: 4 / 3; border-radius: 4px; margin-bottom: 10px; }
.topic-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.topic-list strong, .slide-card strong { display: block; font-size: 18px; }
.detail-hero { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 30px; padding: 54px 6%; background: var(--paper); border-bottom: 1px solid var(--line); }
.related-band, .all-pages { display: flex; flex-wrap: wrap; gap: 8px; }
.related-band a, .all-pages a { padding: 10px 12px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; color: var(--blue); font-weight: 800; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery-grid img { aspect-ratio: 4 / 3; border-radius: 6px; border: 1px solid var(--line); }
.site-footer { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding: 42px 6%; background: var(--ink); color: #fff; }
.site-footer p, .footer-links a { color: #dbe3f0; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; font-weight: 800; }
@media (max-width: 960px) {
  .site-header, .hero, .detail-hero, .essay, .content-layout, .blog-teaser, .intro-grid, .topic-list, .gallery-grid, .site-footer { grid-template-columns: 1fr; }
  nav { justify-self: start; padding-bottom: 16px; }
  .hero h1, .detail-hero h1 { font-size: 40px; }
}