.designathon .rules{width:var(--measure);max-width:100%;padding:56px var(--gutter) 88px;margin-inline:auto}.designathon .rules-lead{max-width:52rem;font-size:var(--copy-lead);margin:0 0 10px;line-height:1.55}.designathon .rules-meta{color:#0a0a0a8c;margin:0 0 28px;font-size:.9rem}.designathon .rules-layout{flex-wrap:wrap;align-items:flex-start;gap:40px;display:flex}.designathon .rules-nav{top:calc(var(--topbar-h) + 8px);border:3px solid var(--ink);background:#fff;flex-direction:column;flex:0 0 240px;display:flex;position:sticky}.designathon .rules-nav a{border-bottom:2px solid #eae6dc;align-items:center;gap:10px;min-height:44px;padding:10px 14px;font-weight:500;text-decoration:none;display:flex}.designathon .rules-nav a:last-child{border-bottom:0}.designathon .rules-nav span{font-family:var(--display);width:22px;font-size:1.1rem}.designathon .rules-list{border-top:4px solid var(--ink);flex:520px;min-width:0}.designathon .rules-list article{border-bottom:3px solid var(--ink);padding:24px 0}.designathon .rules-list h2{font-family:var(--display);text-transform:uppercase;align-items:baseline;gap:14px;margin:0 0 12px;font-size:clamp(1.6rem,3vw,2.2rem);display:flex}.designathon .rules-list p{font-size:var(--copy);text-wrap:pretty;margin:0 0 10px;line-height:1.6}.designathon .site-footer nav{flex-wrap:wrap;gap:8px 20px;display:flex}.designathon .site-footer nav a{color:#fff;align-items:center;min-height:44px;display:inline-flex}@media (max-width:780px){.designathon .rules-nav{display:none}}