body{font-family:Inter,sans-serif;background-color:#f9fafb;color:#111827;margin:0;padding:0}header{background-color:#fff;box-shadow:0 2px 8px rgba(0,0,0,.05)}nav a{color:#1e3a8a;font-weight:500;text-decoration:none;margin:0 .75rem}nav a:hover{text-decoration:underline}.plans-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media (min-width:768px){.plans-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.plans-grid{grid-template-columns:repeat(4,1fr)}}.plan-card{background:#fff;border-radius:1rem;box-shadow:0 4px 8px rgba(0,0,0,.05);padding:1.5rem;transition:transform .2s ease,box-shadow .2s ease}.plan-card:hover{transform:translateY(-5px);box-shadow:0 6px 12px rgba(0,0,0,.1)}.plan-card img{max-width:100%;height:auto;border-radius:.5rem;margin-bottom:1rem}.plan-card h3{color:#1e3a8a}.plan-card ul{list-style:disc;margin-left:1.25rem;text-align:left;margin-bottom:1rem}.plan-card a{display:inline-block;padding:.5rem 1rem;background:#2563eb;color:#fff;border-radius:.5rem;font-weight:500;text-decoration:none;transition:background .2s ease}.plan-card a:hover{background:#1d4ed8}