:root{--bg:#0b0d12;--surface:#ffffff0a;--surface-hover:#ffffff12;--border:#ffffff17;--border-hover:#ffffff38;--text:#e9ecf3;--text-muted:#9aa3b4;--text-dim:#6b7484;--accent:#7c6cf6;--accent-soft:#7c6cf629}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.backdrop{z-index:0;opacity:0;width:100%;height:100%;transition:opacity 1.2s;position:fixed;inset:0}.backdrop.is-ready{opacity:.5}body:after{content:"";z-index:1;pointer-events:none;background:radial-gradient(ellipse at 50% 0%, transparent 35%, var(--bg) 78%);position:fixed;inset:0}.header,.grid,.footer{z-index:2;width:min(1120px,100% - 3rem);margin-inline:auto;position:relative}.header{text-align:center;padding-top:clamp(4rem,12vh,8rem);padding-bottom:3rem}.eyebrow{border:1px solid var(--border);background:var(--accent-soft);color:#b9b0ff;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;margin-bottom:1.1rem;padding:.35rem .85rem;font-size:.75rem;font-weight:600;display:inline-block}.title{letter-spacing:-.035em;background:linear-gradient(#fff 25%,#9fa7bd 100%);color:#0000;-webkit-background-clip:text;background-clip:text;font-size:clamp(2.75rem,8vw,4.5rem);font-weight:700;line-height:1}.subtitle{max-width:34rem;color:var(--text-muted);margin:1.1rem auto 0;font-size:1.02rem;line-height:1.6}.count{color:var(--text-dim);letter-spacing:.03em;margin-top:1.5rem;font-size:.82rem}.grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:1.15rem;padding-bottom:4rem;display:grid}.card{border:1px solid var(--border);background:var(--surface);color:inherit;border-radius:16px;flex-direction:column;padding:1.5rem;text-decoration:none;transition:transform .25s,border-color .25s,background .25s;animation:.5s cubic-bezier(.22,1,.36,1) backwards rise;display:flex;position:relative;overflow:hidden}.card:before{content:"";opacity:0;background:linear-gradient(90deg,#0000,#7c6cf6a6,#0000);height:1px;transition:opacity .25s;position:absolute;inset:-1px -1px auto}.card:hover{background:var(--surface-hover);border-color:var(--border-hover);transform:translateY(-4px)}.card:hover:before{opacity:1}.card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.card-top{justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1.1rem;display:flex}.card-number{border:1px solid var(--border);background:var(--accent-soft);color:#c3bcff;font-variant-numeric:tabular-nums;border-radius:11px;place-items:center;width:2.6rem;height:2.6rem;font-size:.95rem;font-weight:700;display:grid}.card-chapter{color:var(--text-dim);letter-spacing:.07em;text-transform:uppercase;text-align:right;font-size:.7rem;font-weight:600}.card-title{letter-spacing:-.015em;font-size:1.2rem;font-weight:650}.card-description{color:var(--text-muted);margin-top:.5rem;font-size:.88rem;line-height:1.55}.card-tags{border-top:1px solid var(--border);flex-wrap:wrap;gap:.4rem;margin-top:1.25rem;padding-top:1.15rem;display:flex}.tag{border:1px solid var(--border);color:var(--text-dim);border-radius:6px;padding:.25rem .6rem;font-size:.72rem;font-weight:500}.card-go{color:#b9b0ff;margin-top:1.15rem;font-size:.82rem;font-weight:600}.card-go span{transition:transform .25s;display:inline-block}.card:hover .card-go span{transform:translate(4px)}.empty{border:1px dashed var(--border);color:var(--text-dim);text-align:center;border-radius:16px;grid-column:1/-1;padding:4rem 1rem}.footer{color:var(--text-dim);text-align:center;padding-bottom:3rem;font-size:.78rem}@keyframes rise{0%{opacity:0;transform:translateY(14px)}}@media (prefers-reduced-motion:reduce){.card{animation:none}.backdrop{transition:none}.card:hover{transform:none}}