:root{--accent-primary:#a6beff;--accent-secondary:#eaf653;--neutral-primary:#fff;--neutral-secondary:#f8f4f0;--neutral-inverse:#1e3a2b}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--neutral-secondary);color:#111}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}:focus-visible{outline:3px solid var(--accent-primary);outline-offset:2px}.container{max-width:1200px;margin:0 auto;padding:24px}.header{display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{font-weight:800;font-size:clamp(20px,3vw,28px);color:var(--neutral-inverse)}.muted{color:#4b5563}@keyframes boop{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.pulse{animation:boop 1.8s ease-in-out infinite}.grid{grid-template-columns:repeat(12,1fr);grid-gap:16px}.grid,.split{display:grid;gap:16px}.split{grid-template-columns:1fr;grid-gap:16px}@media (min-width:960px){.split{grid-template-columns:1fr 1fr}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;background:var(--accent-primary);color:#111;font-weight:700}.btn:hover{filter:brightness(.95)}