html{scroll-behavior:smooth}.hcss-hero{text-align:left;padding:0 0 40px}.hcss-hero-badge{font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);border-bottom:1px solid var(--border);font-weight:600;font-family:var(--font-mono);margin-bottom:14px;padding:2px 0;display:inline-block}.hcss-hero h1{letter-spacing:-.02em;color:var(--text);max-width:40ch;margin-bottom:16px;font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;line-height:1.2}.hcss-hero-sub{color:var(--text-muted);margin:0;font-size:1rem;line-height:1.65}.hcss-stats{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);justify-content:center;gap:0;max-width:600px;margin:0 auto;display:flex;overflow:hidden}.hcss-stat{text-align:center;border-right:1px solid var(--border);flex:1;padding:16px 12px}.hcss-stat:last-child{border-right:none}.hcss-stat-num{color:var(--accent);letter-spacing:-.03em;margin-bottom:4px;font-size:1.5rem;font-weight:800;line-height:1}.hcss-stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.07em;font-size:.68rem;font-weight:600}.hcss-scrubber{top:var(--hcss-sticky-offset,var(--top-nav-offset));z-index:10;background:color-mix(in srgb, var(--bg), transparent 12%);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);margin:0 0 48px;position:sticky}.hcss-scrubber-inner{scrollbar-width:none;gap:0;display:flex;overflow-x:auto}.hcss-scrubber-inner::-webkit-scrollbar{display:none}.hcss-scrubber a{color:var(--text-muted);white-space:nowrap;letter-spacing:.02em;border-bottom:2px solid #0000;align-items:center;gap:6px;padding:12px 14px;font-size:.72rem;font-weight:600;text-decoration:none;transition:color .15s,border-color .15s;display:flex}.hcss-scrubber a .hcss-era-dot{opacity:.5;background:currentColor;border-radius:50%;flex-shrink:0;width:7px;height:7px}.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{border-bottom:2px solid var(--ERA-COLOR,var(--border));align-items:baseline;gap:14px;margin-bottom:32px;padding-bottom:14px;display:flex}.hcss-era-title{color:var(--text);letter-spacing:-.03em;font-size:1.25rem;font-weight:800}.hcss-era-years{color:var(--text-muted);font-family:Commit Mono,monospace;font-size:.75rem;font-weight:400}.hcss-era-title small{color:var(--text-muted);letter-spacing:0;font-size:.65em;font-weight:500}.hcss-timeline{border-left:2px solid color-mix(in srgb, var(--ERA-COLOR,var(--accent)), transparent 72%);padding-left:28px;position:relative}.hcss-item{margin-bottom:20px;position:relative}.hcss-item:before{content:"";background:var(--ERA-COLOR,var(--accent));border:2px solid var(--bg);width:10px;height:10px;box-shadow:0 0 0 2px color-mix(in srgb, var(--ERA-COLOR,var(--accent)), transparent 60%);border-radius:50%;position:absolute;top:18px;left:-35px}.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{flex-wrap:wrap;align-items:flex-start;gap:10px;margin-bottom:8px;display:flex}.hcss-year{background:color-mix(in srgb, var(--ERA-COLOR,var(--accent)), transparent 88%);color:var(--ERA-COLOR,var(--accent));white-space:nowrap;border-radius:100px;flex-shrink:0;padding:3px 9px;font-family:Commit Mono,monospace;font-size:.68rem;font-weight:700}.hcss-card-title{color:var(--text);font-size:.95rem;font-weight:700;line-height:1.3}.hcss-badges{flex-wrap:wrap;gap:6px;margin-left:auto;display:flex}.hcss-badge-horror{color:#e05252;white-space:nowrap;background:#e052521f;border-radius:100px;padding:2px 8px;font-size:.62rem;font-weight:700}.hcss-badge-landmark{background:color-mix(in srgb, var(--ERA-COLOR,var(--accent)), transparent 88%);color:var(--ERA-COLOR,var(--accent));white-space:nowrap;border-radius:100px;padding:2px 8px;font-size:.62rem;font-weight:700}.hcss-card-text{color:var(--text-muted);margin-bottom:0;font-size:.85rem;line-height:1.65}.hcss-card-text code{background:color-mix(in srgb, var(--ERA-COLOR,var(--accent)), transparent 90%);color:var(--ERA-COLOR,var(--accent));border-radius:4px;padding:1px 5px;font-family:Commit Mono,monospace;font-size:.8em}.hcss-card-link{color:var(--accent);align-items:center;gap:4px;margin-top:10px;font-size:.75rem;font-weight:600;text-decoration:none;display:inline-flex}.hcss-card-link:hover{text-decoration:underline}.hcss-card-link:after{content:"→"}.hcss-card-link-inline{color:var(--ERA-COLOR,var(--accent));font-weight:500;text-decoration:none}.hcss-card-link-inline:hover{text-decoration:underline}.hcss-demo{background:var(--bg);border:1px solid var(--border);border-radius:8px;margin-top:14px;padding:14px}.hcss-demo-label{text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:10px;font-size:.62rem;font-weight:600}.hcss-demo-grid{grid-template-columns:repeat(3,1fr);gap:4px;display:grid}.hcss-demo-grid-cell{background:color-mix(in srgb, var(--cyan), transparent 70%);border-radius:4px;height:28px}.hcss-demo-grid-cell:first-child{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{align-items:center;gap:8px;display:flex}.hcss-demo-swatch{--demo-c:var(--accent);background:var(--demo-c);border-radius:8px;width:48px;height:48px;transition:background .3s}.hcss-demo-var-btns{flex-direction:column;gap:4px;display:flex}.hcss-demo-var-btn{border:1px solid var(--border);background:var(--surface);color:var(--text-muted);cursor:pointer;text-align:left;border-radius:4px;padding:3px 8px;font-family:Commit Mono,monospace;font-size:.65rem;transition:border-color .15s}.hcss-demo-var-btn:hover{border-color:var(--accent);color:var(--text)}.hcss-demo-has{font-size:.8rem}.hcss-demo-has-list{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.hcss-demo-has-item{border:1px solid var(--border);color:var(--text-muted);border-radius:6px;align-items:center;gap:8px;padding:6px 10px;font-size:.78rem;transition:border-color .2s,color .2s;display:flex}.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{color:var(--text);text-align:center;padding:8px 0;font-size:clamp(.85rem,2.5vw,1.4rem);font-weight:700;transition:font-size .2s}.hcss-demo-clamp-note{color:var(--text-muted);text-align:center;font-family:Commit Mono,monospace;font-size:.65rem}.hcss-demo--card{margin-bottom:12px}.hcss-footer{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-top:48px;padding:32px}.hcss-footer p{color:var(--text-muted);margin-bottom:14px;font-size:.9rem;line-height:1.6}.hcss-footer a{color:var(--accent);font-weight:600;text-decoration:none}.hcss-footer a:hover{text-decoration:underline}@media (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}}