/* Part-of-the-house pages: /roof-and-loft/, /walls/ ... */
.part-page{max-width:960px;margin:0 auto;padding:0 24px 40px}
.part-page .breadcrumbs{max-width:none;padding:20px 0 0;margin:0 0 8px}
.part-page h1{font-size:clamp(2.2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.03em;line-height:1.05;margin:8px 0 12px;display:flex;align-items:center;gap:14px}
.part-ico{width:52px;height:52px;padding:11px;border-radius:12px;background:var(--color-surface-alt);color:var(--color-accent);flex:0 0 auto}
.part-lead{font-size:1.1rem;color:var(--color-text-secondary);max-width:62ch;margin:0 0 24px}
.part-page .photo-banner{margin:0 0 24px}
.part-page .photo-banner img{aspect-ratio:3/1}
.part-page .tldr{margin:0 0 8px}
.part-page .tldr h2{margin-top:0}
.part-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;list-style:none;margin:0 0 12px;padding:0}
.part-tiles li{background:var(--color-surface);border:1px solid var(--color-accent-border);border-radius:var(--radius-md);padding:14px 16px;margin:0;font-size:.92rem;line-height:1.45;color:var(--color-text-secondary)}
.part-tiles li::before{display:none}
.part-tiles li>strong.tl-lead{display:block;font-family:var(--font-display);font-size:1.25rem;font-weight:700;line-height:1.15;color:var(--color-text);margin-bottom:4px}
.part-from{font-size:.88rem;margin:0}
.part-h{font-size:clamp(1.5rem,2.6vw,1.9rem);margin:44px 0 14px}
.part-calcs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.part-calc,.part-guide{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center;border:1px solid var(--color-border);border-radius:10px;overflow:hidden;text-decoration:none;color:var(--color-text);background:var(--color-surface)}
.part-calc:hover,.part-guide:hover{border-color:var(--color-accent)}
.part-calc img,.part-guide img{width:96px;height:100%;min-height:76px;object-fit:cover;display:block}
.part-calc .pc-ico{width:44px;height:44px;margin:16px 26px;color:var(--color-accent)}
.part-calc span,.part-guide span{padding:12px 14px 12px 0;display:block}
.part-calc strong,.part-guide strong{display:block;font-family:var(--font-display);font-size:1.02rem;line-height:1.25}
.part-calc em,.part-guide em{display:block;font-style:normal;font-size:.85rem;color:var(--color-text-secondary);margin-top:2px}
.part-guides{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.part-guide em{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.part-chips{display:flex;flex-wrap:wrap;gap:8px}
.part-chips a{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--color-accent-border);border-radius:999px;text-decoration:none;color:var(--color-accent);font-weight:600;font-size:.9rem;background:var(--color-surface)}
.part-chips a[aria-current="page"]{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}
.pc-ico{width:18px;height:18px}
.part-cta{margin:48px 0 8px;background:var(--color-text);color:#E9F4EC;padding:36px;display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between;border-radius:8px}
.part-cta h2{color:#fff;font-size:1.8rem;margin:0;max-width:20ch}
.part-cta a{background:#fff;color:var(--color-highlight);padding:.9em 2em;border-radius:8px;font-weight:700;text-decoration:none;font-family:var(--font-display)}
@media (max-width:640px){
  .part-page{padding:0 16px 32px}
  .part-page h1{font-size:2rem}
  .part-ico{width:42px;height:42px;padding:9px}
  .part-lead{font-size:1rem}
  .part-page .photo-banner img{aspect-ratio:16/9}
  .part-tiles{grid-template-columns:1fr;gap:8px}
  .part-tiles li{position:relative;padding:10px 12px 10px 42px}
  .part-tiles .tl-ico{position:absolute;left:12px;top:11px;width:22px;height:22px;margin:0}
  .part-tiles li>strong.tl-lead{font-size:1.1rem}
  .part-guides{grid-template-columns:1fr}
  .part-cta{padding:24px}.part-cta h2{font-size:1.4rem}
}
.part-page .photo-banner{padding:0;max-width:none}