.materials-page .wrap { max-width: 1180px; }
.materials-nav-actions { display: flex; align-items: center; gap: 10px; }
.materials-home-link { margin-right: 10px; font: calc(13px * var(--site-font-scale)) 'IBM Plex Mono', monospace; color: var(--muted); }
.materials-home-link:hover { color: var(--red); }
.materials-hero { padding-bottom: 24px !important; }
.materials-hero .bigname { max-width: 18ch; }
.materials-hero .tagline { max-width: 65ch; font-size: calc(16px * var(--site-font-scale)); }
.materials-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.materials-meta span { padding: 7px 10px; border: 1px solid var(--border); background: var(--card); color: var(--muted); font: calc(13px * var(--site-font-scale))/1.4 'IBM Plex Mono', monospace; }
.materials-jump { display: inline-flex; align-items: center; gap: 20px; min-height: 44px; margin-top: 28px; padding: 10px 16px; border: 1px solid var(--red); background: var(--red); color: #fff; font: calc(12px * var(--site-font-scale))/1.4 'IBM Plex Mono', monospace; }
.materials-jump:hover { background: var(--card); color: var(--ink); }
.materials-main { padding: 24px 0 48px; }
.materials-section-head { display: flex; justify-content: space-between; gap: 20px; }
.materials-kicker { margin-bottom: 10px; color: var(--red); font: calc(13px * var(--site-font-scale))/1.5 'IBM Plex Mono', monospace; letter-spacing: .09em; }
.materials-section-head h2, .materials-next h2 { font: 600 calc(clamp(25px, 4vw, 36px) * var(--site-font-scale))/1.2 'Space Grotesk', system-ui, sans-serif; letter-spacing: -.035em; }
.materials-section-head p:not(.materials-kicker) { max-width: 65ch; margin-top: 12px; color: var(--muted); font-size: calc(14px * var(--site-font-scale)); line-height: 1.7; }
.materials-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.materials-filter { min-height: 44px; padding: 9px 13px; border: 1px solid var(--border-strong); background: var(--card); color: var(--muted); cursor: pointer; font: calc(13px * var(--site-font-scale))/1.4 'IBM Plex Mono', monospace; transition: color .2s, border-color .2s, background .2s; }
.materials-filter span { margin-left: 6px; opacity: .7; }
.materials-filter:hover { color: var(--ink); border-color: var(--red); }
.materials-filter.is-active { border-color: var(--red); background: color-mix(in srgb, var(--red) 9%, var(--card)); color: var(--ink); }
.materials-count { margin: 13px 0 18px; color: var(--muted); font: calc(13px * var(--site-font-scale)) 'IBM Plex Mono', monospace; }
.materials-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.materials-card { display: flex; flex-direction: column; min-height: 288px; padding: 22px; border: 1px solid var(--border); background: var(--card); box-shadow: var(--shadow-soft); transition: border-color .2s, transform .2s; }
.materials-card:hover { border-color: var(--red); transform: translateY(-2px); }
.materials-card[hidden] { display: none; }
.materials-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 26px; }
.materials-index, .materials-format { font: calc(12px * var(--site-font-scale))/1.5 'IBM Plex Mono', monospace; letter-spacing: .04em; }
.materials-index { color: var(--red); }
.materials-format { color: var(--muted); text-align: right; }
.materials-card h3 { font: 600 calc(21px * var(--site-font-scale))/1.25 'Space Grotesk', system-ui, sans-serif; letter-spacing: -.03em; }
.materials-card p { flex: 1; margin: 11px 0 24px; color: var(--muted); font-size: calc(16px * var(--site-font-scale)); line-height: 1.7; }
.materials-card a { display: flex; justify-content: space-between; align-items: center; min-height: 44px; padding: 9px 12px; border: 1px solid var(--red); color: var(--ink); font: calc(13px * var(--site-font-scale))/1.4 'IBM Plex Mono', monospace; transition: background .2s, color .2s; }
.materials-card a:hover { background: var(--red); color: #fff; }
.materials-next { margin-bottom: 32px; padding: 30px; border: 1px solid var(--border); border-top: 3px solid var(--red); background: var(--card); }
.materials-next > p:not(.materials-kicker) { max-width: 60ch; margin: 12px 0 20px; color: var(--muted); font-size: calc(14px * var(--site-font-scale)); line-height: 1.7; }
.materials-next a { display: inline-flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 44px; padding: 10px 15px; border: 1px solid var(--red); color: var(--ink); font: calc(13px * var(--site-font-scale))/1.4 'IBM Plex Mono', monospace; }
.materials-next a:hover { background: var(--red); color: #fff; }
.materials-page .contact-strip { margin-top: 0; }
@media (max-width: 920px) { .materials-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) {
  .materials-nav-actions { gap: 6px; }
  .materials-home-link { margin-right: 2px; }
  .materials-page .theme-toggle { padding: 0 8px; }
  .materials-main { padding: 20px 0 40px; }
  .materials-grid { grid-template-columns: 1fr; }
  .materials-card { min-height: 0; }
  .materials-next { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) { .materials-page *, .materials-page *::before, .materials-page *::after { transition: none !important; scroll-behavior: auto !important; } }

.materials-card { scroll-margin-top: 24px; }
.materials-card:target { border-color: var(--red); box-shadow: 0 0 0 2px color-mix(in srgb, var(--red) 20%, transparent); }
.materials-copy { min-height: 44px; margin-top: 8px; padding: 8px; border: 0; background: transparent; color: var(--muted); font: calc(13px * var(--site-font-scale))/1.4 'IBM Plex Mono', monospace; cursor: pointer; }
.materials-copy:hover { color: var(--ink); text-decoration: underline; }
.materials-copy-fallback { width: 100%; min-height: 44px; margin-top: 8px; padding: 8px; border: 1px solid var(--border-strong); background: var(--card); color: var(--ink); font: calc(13px * var(--site-font-scale))/1.5 'IBM Plex Mono', monospace; }
.materials-coming { margin-top: 24px; padding: 18px 0; border-top: 1px solid var(--border); color: var(--muted); font-size: calc(14px * var(--site-font-scale)); }
.materials-coming strong { font-weight: 500; color: var(--ink); }
.materials-coming p { margin-top: 5px; }