.home-page{max-width:720px;margin:0 auto;padding:60px 24px}.hero{text-align:center;margin-bottom:56px;animation:.6s both fadeUp}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-tag{letter-spacing:4px;color:#5a7a62;text-transform:uppercase;margin-bottom:16px;font-size:11px}.hero h1{color:#fff;letter-spacing:-1px;margin-bottom:16px;font-family:Syne,sans-serif;font-size:clamp(36px,7vw,60px);font-weight:800;line-height:1}.hero h1 em{color:#0f8;text-shadow:0 0 30px #00ff8859;font-style:normal}.hero-sub{color:#5a7a62;max-width:440px;margin:0 auto 20px;font-size:13px;line-height:1.7}.hero-hint{color:#0f8;letter-spacing:1px;background:#00ff880d;border:1px solid #0f83;border-radius:3px;padding:8px 20px;font-size:11px;display:inline-block}.challenge-list{flex-direction:column;gap:10px;display:flex}.challenge-card{color:inherit;background:#0d1410;border:1px solid #1e2e22;border-radius:3px;align-items:center;gap:20px;padding:20px 24px;text-decoration:none;transition:border-color .2s,background .2s;animation:.5s both fadeUp;display:flex;position:relative;overflow:hidden}.challenge-card:first-child{animation-delay:50ms}.challenge-card:nth-child(2){animation-delay:.1s}.challenge-card:nth-child(3){animation-delay:.15s}.challenge-card:nth-child(4){animation-delay:.2s}.challenge-card:nth-child(5){animation-delay:.25s}.challenge-card:before{content:"";background:0 0;width:2px;transition:background .2s;position:absolute;top:0;bottom:0;left:0}.challenge-card:hover{background:#0f1a12;border-color:#2a3a2e}.challenge-card:hover:before{background:#00cc6a}.challenge-card.solved{background:#00ff8808;border-color:#0f8}.challenge-card.solved:before{background:#0f8}.card-num{color:#1e2e22;min-width:36px;font-family:Syne,sans-serif;font-size:28px;font-weight:800;line-height:1;transition:color .2s}.challenge-card:hover .card-num{color:#2a4a30}.challenge-card.solved .card-num{color:#0f8;text-shadow:0 0 12px #0f86}.card-meta{flex:1}.card-title{color:#fff;margin-bottom:6px;font-family:Syne,sans-serif;font-size:16px;font-weight:700}.card-tags{flex-wrap:wrap;gap:8px;display:flex}.card-right{flex-shrink:0;align-items:center;gap:12px;display:flex}.card-pts{color:gold;font-family:Share Tech Mono,monospace;font-size:13px}.card-arrow{color:#2a3a2e;font-size:16px;transition:color .2s,transform .2s}.challenge-card:hover .card-arrow{color:#0f8;transform:translate(4px)}.card-solved{letter-spacing:2px;color:#0f8;font-family:Share Tech Mono,monospace;font-size:11px}@media (width<=500px){.challenge-card{gap:14px;padding:16px}.card-num{font-size:22px}.card-title{font-size:14px}}