.collection-hero{padding-block:clamp(3.5rem,7vw,6.4rem) clamp(2.5rem,5vw,4rem);border-bottom:1px solid var(--line)}.collection-hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(280px,.88fr);gap:clamp(2rem,5vw,4.5rem);align-items:end}.collection-hero h1{font-size:clamp(2.7rem,6.4vw,4.8rem);margin:1.3rem 0 1.5rem;max-width:13ch}.collection-intro{max-width:50ch;margin:0}.collection-meta{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.35rem}.collection-hero-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius-lg);background:linear-gradient(135deg,color-mix(in oklab,var(--surface) 78%,transparent),var(--surface-2)),var(--surface);box-shadow:var(--shadow-card);overflow:hidden}.collection-hero-stat{min-height:8.8rem;padding:clamp(1rem,2.4vw,1.45rem);display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.collection-hero-stat:nth-child(2n){border-right:0}.collection-hero-stat:nth-last-child(-n+2){border-bottom:0}.collection-hero-stat strong{font-family:var(--font-display);font-size:clamp(2rem,4.5vw,3.1rem);font-weight:500;line-height:.95;color:var(--accent-ink)}.collection-hero-stat span{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted)}.collection-hero-note{align-self:end;padding:clamp(1.2rem,2.6vw,1.6rem);border:1px solid var(--line);border-radius:var(--radius-lg);background:color-mix(in oklab,var(--surface) 80%,transparent);box-shadow:var(--shadow-card);color:var(--ink-soft)}.collection-hero-note p{margin:0;font-size:1.05rem;line-height:1.58}.collection-section{padding:3.5rem 0}.collection-section+.collection-section{border-top:1px solid var(--line)}.collection-section-header{display:flex;align-items:end;justify-content:space-between;gap:1.5rem;margin-bottom:1.5rem}.collection-section-header h2{margin:0;font-family:var(--font-display);font-size:3.5rem;font-weight:600;line-height:1;color:var(--ink)}.collection-section-header p{max-width:520px;margin:0;color:var(--ink-muted);font-size:.98rem;line-height:1.55}.collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.collection-grid.is-dense{grid-template-columns:repeat(3,minmax(0,1fr))}.collection-card{display:flex;flex-direction:column;min-height:100%;padding:1.25rem;border:1px solid var(--line);border-radius:var(--radius-lg);background:color-mix(in oklab,var(--surface) 88%,white 12%);box-shadow:var(--shadow-card);text-decoration:none;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.collection-card:hover,.collection-card:focus-visible{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 16px 40px -28px #2c2a248c}.collection-card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.collection-card-kicker{margin:0 0 .7rem;color:var(--accent-ink);font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.collection-card h3{margin:0;color:var(--ink);font-family:var(--font-display);font-size:1.45rem;font-weight:600;line-height:1.12}.collection-card h3 a{color:inherit;text-decoration:none}.collection-card h3 a:hover,.collection-card h3 a:focus-visible{color:var(--accent-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.16em}.collection-card p{margin:.85rem 0 0;color:var(--ink-soft);font-size:.98rem;line-height:1.55}.collection-card code{align-self:flex-start;margin-top:.8rem;padding:.18rem .45rem;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in oklab,var(--surface-2) 76%,white 24%);color:var(--ink-muted);font-family:var(--font-mono);font-size:.74rem;line-height:1.45}.collection-card pre{margin:1rem 0 0;padding:.85rem 1rem;overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in oklab,var(--ink) 92%,black 8%);color:var(--surface);font-family:var(--font-mono);font-size:.78rem;line-height:1.65}.collection-card-footer{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:auto;padding-top:1.25rem}.collection-tag{display:inline-flex;align-items:center;padding:.18rem .5rem;border:1px solid var(--line);border-radius:var(--radius-pill);color:var(--ink-muted);font-size:.72rem;font-weight:700;line-height:1.35}a.collection-tag{min-height:2rem;padding:.36rem .68rem;border-color:color-mix(in oklab,var(--line) 84%,var(--ink) 16%);border-radius:var(--radius);color:var(--ink-soft);text-decoration:none;background:color-mix(in oklab,var(--surface-2) 76%,white 24%);box-shadow:0 1px color-mix(in oklab,white 58%,transparent) inset;transition:border-color .18s ease,background-color .18s ease,color .18s ease,transform .18s ease}a.collection-tag:hover,a.collection-tag:focus-visible{border-color:var(--accent);color:var(--accent-ink);background:color-mix(in oklab,var(--accent) 10%,var(--surface));transform:translateY(-1px)}.collection-card-link{display:inline-flex;align-items:center;margin-left:auto;min-height:2rem;padding:.36rem .68rem;border:1px solid color-mix(in oklab,var(--line) 84%,var(--ink) 16%);border-radius:var(--radius);background:color-mix(in oklab,var(--surface-2) 76%,white 24%);box-shadow:0 1px color-mix(in oklab,white 58%,transparent) inset;color:var(--accent-ink);font-size:.78rem;font-weight:800;line-height:1.35;transition:border-color .18s ease,background-color .18s ease,color .18s ease,transform .18s ease}.collection-card:hover .collection-card-link,.collection-card:focus-visible .collection-card-link{border-color:var(--accent);background:color-mix(in oklab,var(--accent) 10%,var(--surface));transform:translateY(-1px)}.collection-card-list{margin:1rem 0 0;padding:0;list-style:none;color:var(--ink-soft);font-size:.9rem;line-height:1.5}.collection-card-list li{position:relative;padding-left:1rem}.collection-card-list li+li{margin-top:.45rem}.collection-card-list li:before{content:"";position:absolute;top:.68em;left:0;width:.34rem;height:.34rem;border-radius:50%;background:var(--accent)}.collection-empty{padding:1.25rem;border:1px dashed var(--line-strong);border-radius:var(--radius-lg);color:var(--ink-muted)}.collection-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.collection-related a{display:block;min-height:100%;padding:1rem;border:1px solid var(--line);border-radius:var(--radius-lg);background:color-mix(in oklab,var(--surface) 82%,transparent);color:var(--ink-soft);text-decoration:none}.collection-related strong{display:block;margin-bottom:.35rem;color:var(--ink);font-family:var(--font-display);font-size:1.05rem;line-height:1.2}.collection-related span{display:block;color:var(--ink-muted);font-size:.9rem;line-height:1.45}.tag-pill{display:inline-flex;align-items:center;min-height:2rem;padding:.32rem .75rem;border:1px solid var(--line);border-radius:var(--radius-pill);font:inherit;font-size:.78rem;font-weight:760;color:var(--ink-muted);background:color-mix(in oklab,var(--surface) 76%,transparent);cursor:pointer}.tag-pill:hover,.tag-pill:focus-visible{border-color:var(--line-strong);color:var(--ink)}.tag-pill-active{border-color:var(--accent);background:color-mix(in oklab,var(--accent) 15%,var(--surface));color:var(--accent-ink)}.pen-card{opacity:1;transform:none;transition:opacity .35s ease,transform .35s ease,border-color .18s ease}.js-codepen .pen-card{opacity:0;transform:translateY(12px)}.pen-card.is-visible{opacity:1;transform:translateY(0)}.pen-img-wrap{position:relative;overflow:hidden;aspect-ratio:16 / 9;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in oklab,var(--surface-2) 70%,var(--accent) 8%)}.pen-img-wrap.is-square-ish{aspect-ratio:4 / 3}.pen-screenshot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:transform .3s ease,opacity .35s ease}.pen-screenshot.img-loaded{opacity:1}.pen-card:hover .pen-screenshot{transform:scale(1.03)}.pen-screenshot-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:color-mix(in oklab,var(--accent) 58%,var(--ink-muted));background:linear-gradient(135deg,color-mix(in oklab,var(--accent) 18%,transparent),color-mix(in oklab,var(--surface) 90%,white 10%))}.pen-screenshot-placeholder svg{opacity:.45}.hero-pen-card{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.85fr);gap:1.25rem}@media(max-width:980px){.collection-hero-grid{grid-template-columns:1fr}}@media(max-width:860px){.collection-section-header{display:block}.collection-section-header h2{font-size:2.75rem}.collection-section-header p{margin-top:.75rem}.collection-grid,.collection-grid.is-dense,.collection-related,.hero-pen-card{grid-template-columns:1fr}}@media(max-width:640px){.collection-hero{padding-block-start:3rem}.collection-hero-panel{grid-template-columns:1fr}.collection-hero-stat,.collection-hero-stat:nth-child(2n),.collection-hero-stat:nth-last-child(-n+2){border-right:0;border-bottom:1px solid var(--line);min-height:7.2rem}.collection-hero-stat:last-child{border-bottom:0}.collection-section-header h2{font-size:2.25rem}.collection-card{padding:1rem}}