.container{max-width:1080px;margin:0 auto;padding:1.25rem}.site-header{background:#fff;border-bottom:1px solid #e2e8f0}.header-inner{justify-content:space-between;gap:1rem;padding:.5rem 0}.brand,.header-inner{display:flex;align-items:center}.brand{gap:.75rem}.brand-mark{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#0ea5e9,#6366f1);color:#fff;display:grid;place-items:center;font-weight:700}.brand-text .brand-title{font-weight:700;letter-spacing:.2px}.brand-text .brand-subtitle{font-size:.9rem;color:#475569}.intro{margin:1.25rem 0 .5rem;color:#334155}.cards{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem;margin-top:1rem}.card{grid-column:span 12;background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:1rem;box-shadow:0 1px 2px rgba(0,0,0,.04)}@media (min-width:700px){.card{grid-column:span 6}}@media (min-width:980px){.card{grid-column:span 4}}.card-top{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.25rem}.card h2{font-size:1.1rem;margin:0}.tag{font-size:.75rem;color:#0369a1;background:#e0f2fe;border:1px solid #bae6fd;padding:.15rem .5rem;border-radius:999px}.features{margin:.5rem 0 1rem;padding-left:1.1rem;color:#475569}.features li{margin:.2rem 0}.button{display:inline-block;text-decoration:none;background:linear-gradient(135deg,#0ea5e9,#6366f1);color:#fff;padding:.6rem .9rem;border-radius:10px;font-weight:600;box-shadow:0 6px 16px rgba(14,165,233,.2);transition:transform .08s ease,box-shadow .08s ease,opacity .2s ease}.button:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(14,165,233,.28)}.button:active{transform:translateY(0);box-shadow:0 6px 16px rgba(14,165,233,.2)}.button-disabled{background:#e2e8f0;color:#64748b;cursor:not-allowed;box-shadow:none}.card-muted{opacity:.9}.help{margin:1.5rem 0 2rem}.help details{background:#fff;border:1px solid #e2e8f0;border-radius:10px;padding:.75rem 1rem}.help summary{cursor:pointer;font-weight:600;color:#0f172a}.help-content{margin-top:.5rem;color:#475569}.site-footer{border-top:1px solid #e2e8f0;background:#fff;color:#475569;font-size:.9rem}.site-footer .container{display:flex;align-items:center;justify-content:center;padding:1rem 1.25rem}