html{scroll-behavior:smooth}.hcss-hero{text-align:left;padding:0 0 40px}.hcss-hero-badge{display:inline-block;font-size:var(--fs-xs);font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:14px;padding:2px 0;border-bottom:1px solid var(--border);font-family:var(--font-mono)}.hcss-hero h1{font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;letter-spacing:-.02em;line-height:1.2;margin-bottom:16px;color:var(--text);max-width:40ch}.hcss-hero-sub{font-size:1rem;color:var(--text-muted);line-height:1.65;margin:0}.hcss-stats{display:flex;justify-content:center;gap:0;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;max-width:600px;margin:0 auto}.hcss-stat{flex:1;padding:16px 12px;text-align:center;border-right:1px solid var(--border)}.hcss-stat:last-child{border-right:none}.hcss-stat-num{font-size:1.5rem;font-weight:800;color:var(--accent);letter-spacing:-.03em;line-height:1;margin-bottom:4px}.hcss-stat-label{font-size:.68rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em;font-weight:600}.hcss-scrubber{position:sticky;top:var(--hcss-sticky-offset, var(--top-nav-offset));z-index:10;background:color-mix(in srgb,var(--bg),transparent 12%);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);margin:0 0 48px}.hcss-scrubber-inner{display:flex;gap:0;overflow-x:auto;scrollbar-width:none}.hcss-scrubber-inner::-webkit-scrollbar{display:none}.hcss-scrubber a{display:flex;align-items:center;gap:6px;padding:12px 14px;font-size:.72rem;font-weight:600;color:var(--text-muted);text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;letter-spacing:.02em}.hcss-scrubber a .hcss-era-dot{width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.5;flex-shrink:0}.hcss-scrubber a:hover{color:var(--text)}.hcss-scrubber a.active{color:var(--accent);border-bottom-color:var(--accent)}.hcss-scrubber a.active .hcss-era-dot{opacity:1}.hcss-era{margin-bottom:64px}.hcss-era-header{display:flex;align-items:baseline;gap:14px;margin-bottom:32px;padding-bottom:14px;border-bottom:2px solid var(--ERA-COLOR, var(--border))}.hcss-era-title{font-size:1.25rem;font-weight:800;color:var(--text);letter-spacing:-.03em}.hcss-era-years{font-size:.75rem;font-family:Commit Mono,monospace;color:var(--text-muted);font-weight:400}.hcss-era-title small{font-size:.65em;font-weight:500;color:var(--text-muted);letter-spacing:0}.hcss-timeline{position:relative;padding-left:28px;border-left:2px solid color-mix(in srgb,var(--ERA-COLOR, var(--accent)),transparent 72%)}.hcss-item{position:relative;margin-bottom:20px}.hcss-item:before{content:"";position:absolute;left:-35px;top:18px;width:10px;height:10px;border-radius:50%;background:var(--ERA-COLOR, var(--accent));border:2px solid var(--bg);box-shadow:0 0 0 2px color-mix(in srgb,var(--ERA-COLOR, var(--accent)),transparent 60%)}.hcss-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px 20px;transition:border-color .2s}.hcss-card:hover{border-color:color-mix(in srgb,var(--ERA-COLOR, var(--accent)),transparent 50%)}.hcss-era.dark .hcss-card{background:color-mix(in srgb,var(--surface),#e05252 4%)}.hcss-card-top{display:flex;align-items:flex-start;gap:10px;margin-bottom:8px;flex-wrap:wrap}.hcss-year{font-family:Commit Mono,monospace;font-size:.68rem;font-weight:700;padding:3px 9px;border-radius:100px;background:color-mix(in srgb,var(--ERA-COLOR, var(--accent)),transparent 88%);color:var(--ERA-COLOR, var(--accent));white-space:nowrap;flex-shrink:0}.hcss-card-title{font-size:.95rem;font-weight:700;color:var(--text);line-height:1.3}.hcss-badges{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}.hcss-badge-horror{font-size:.62rem;font-weight:700;padding:2px 8px;border-radius:100px;background:color-mix(in srgb,#e05252,transparent 88%);color:#e05252;white-space:nowrap}.hcss-badge-landmark{font-size:.62rem;font-weight:700;padding:2px 8px;border-radius:100px;background:color-mix(in srgb,var(--ERA-COLOR, var(--accent)),transparent 88%);color:var(--ERA-COLOR, var(--accent));white-space:nowrap}.hcss-card-text{font-size:.85rem;color:var(--text-muted);line-height:1.65;margin-bottom:0}.hcss-card-text code{font-family:Commit Mono,monospace;font-size:.8em;background:color-mix(in srgb,var(--ERA-COLOR, var(--accent)),transparent 90%);color:var(--ERA-COLOR, var(--accent));padding:1px 5px;border-radius:4px}.hcss-card-link{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;color:var(--accent);text-decoration:none;margin-top:10px;font-weight:600}.hcss-card-link:hover{text-decoration:underline}.hcss-card-link:after{content:"→"}.hcss-card-link-inline{color:var(--ERA-COLOR, var(--accent));text-decoration:none;font-weight:500}.hcss-card-link-inline:hover{text-decoration:underline}.hcss-demo{margin-top:14px;padding:14px;background:var(--bg);border:1px solid var(--border);border-radius:8px}.hcss-demo-label{font-size:.62rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:10px}.hcss-demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.hcss-demo-grid-cell{height:28px;border-radius:4px;background:color-mix(in srgb,var(--cyan),transparent 70%)}.hcss-demo-grid-cell:nth-child(1){background:color-mix(in srgb,var(--accent),transparent 65%)}.hcss-demo-grid-cell:nth-child(2){background:color-mix(in srgb,var(--pink),transparent 65%)}.hcss-demo-grid-cell:nth-child(3){background:color-mix(in srgb,var(--orange),transparent 65%)}.hcss-demo-grid-cell:nth-child(4){background:color-mix(in srgb,var(--green),transparent 65%)}.hcss-demo-grid-cell:nth-child(5){background:color-mix(in srgb,var(--blue),transparent 65%)}.hcss-demo-grid-cell:nth-child(6){background:color-mix(in srgb,var(--cyan),transparent 65%)}.hcss-demo-vars{display:flex;gap:8px;align-items:center}.hcss-demo-swatch{--demo-c: var(--accent);width:48px;height:48px;border-radius:8px;background:var(--demo-c);transition:background .3s}.hcss-demo-var-btns{display:flex;flex-direction:column;gap:4px}.hcss-demo-var-btn{font-size:.65rem;font-family:Commit Mono,monospace;padding:3px 8px;border-radius:4px;border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;transition:border-color .15s;text-align:left}.hcss-demo-var-btn:hover{border-color:var(--accent);color:var(--text)}.hcss-demo-has{font-size:.8rem}.hcss-demo-has-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.hcss-demo-has-item{display:flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--border);border-radius:6px;color:var(--text-muted);font-size:.78rem;transition:border-color .2s,color .2s}.hcss-demo-has-item:has(input:checked){border-color:var(--green);color:var(--text);background:color-mix(in srgb,var(--green),transparent 92%)}.hcss-demo-clamp-text{font-size:clamp(.85rem,2.5vw,1.4rem);color:var(--text);font-weight:700;text-align:center;padding:8px 0;transition:font-size .2s}.hcss-demo-clamp-note{font-size:.65rem;color:var(--text-muted);text-align:center;font-family:Commit Mono,monospace}.hcss-demo--card{margin-bottom:12px}.hcss-footer{margin-top:48px;padding:32px;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.hcss-footer p{font-size:.9rem;color:var(--text-muted);margin-bottom:14px;line-height:1.6}.hcss-footer a{color:var(--accent);font-weight:600;text-decoration:none}.hcss-footer a:hover{text-decoration:underline}@media(max-width:600px){.hcss-stats{flex-wrap:wrap}.hcss-stat{min-width:50%}.hcss-stat:nth-child(2){border-right:none}.hcss-scrubber{top:60px}.hcss-card-top{gap:8px}.hcss-badges{margin-left:0}}