section{margin-bottom:5rem}header{text-align:center;padding:2rem 0 4rem}header h1{font-size:2.5rem}header p{font-size:1.125rem;opacity:.85;max-width:600px;margin:0 auto}.sites h2,.contact h2{font-size:1.5rem;margin-bottom:.5rem}.site-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.site-card{border:3px solid #fff;padding:1.5rem;background:#000;color:#fff;text-decoration:none;display:block;transition:transform .2s ease-out}.site-card:hover{transform:translateY(-4px)}.site-card h3{margin-bottom:.5rem;font-size:1.25rem}.site-card p{font-size:.95rem;opacity:.85}@media(max-width:768px){header h1{font-size:2rem}.site-grid{grid-template-columns:1fr}}