:root{--rx:#7c3aed;--rx2:#5b21b6;--ink:#0f1115;--mut:#475569;--bg:#f6f7fb;--line:#e4e7ec}
*{box-sizing:border-box;margin:0}body{font-family:'Segoe UI',system-ui,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}
img{max-width:100%;height:auto;display:block}a{color:var(--rx2)}
.top{background:#fff;border-bottom:1px solid var(--line)}.top .in{max-width:1000px;margin:0 auto;padding:12px 20px}
.brand{font-weight:800;text-decoration:none;color:var(--ink);font-size:17px}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
h1{font-size:28px;line-height:1.3;margin:22px 0 8px}h2{font-size:20px;margin:28px 0 10px}h3{font-size:16px;margin:16px 0 6px}
.crumb{font-size:13px;color:var(--mut);margin-top:12px}
.lead{color:var(--mut);font-size:16.5px}
.box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:16px 0}
.box ul{margin:8px 0 0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin:14px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--ink);display:block}
.card img{aspect-ratio:1;object-fit:cover}
.card .t{padding:10px 12px}.card b{font-size:13.5px;line-height:1.4;display:block}.card small{color:var(--mut);font-size:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13.5px;text-decoration:none;color:var(--rx2);font-weight:600}
.cta{background:linear-gradient(135deg,var(--rx),var(--rx2));color:#fff;border-radius:16px;padding:20px 22px;margin:22px 0;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.cta .txt{flex:1;min-width:220px}.cta .txt b{font-size:18px;display:block}
.btn{background:#fff;color:var(--rx2);font-weight:800;text-decoration:none;padding:13px 22px;border-radius:10px}
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0}
summary{font-weight:700;cursor:pointer}
footer{margin:40px 0 24px;padding-top:18px;border-top:1px solid var(--line);color:var(--mut);font-size:13px}
/* banner do AulaGen (topo, todas as paginas) */
.ag-bar{display:flex;align-items:center;gap:12px;background:linear-gradient(100deg,#4f46e5,#7c3aed 55%,#c026d3);color:#fff;text-decoration:none;padding:11px 18px;font-size:14px}
.ag-bar .ag-ico{font-size:20px;line-height:1}
.ag-bar .ag-txt{flex:1;min-width:0;line-height:1.35}
.ag-bar .ag-txt b{display:block;font-size:14.5px}
.ag-bar .ag-txt span{opacity:.93;font-size:13px}
.ag-bar .ag-cta{background:#fff;color:#5b21b6;font-weight:800;padding:8px 16px;border-radius:999px;white-space:nowrap;font-size:13.5px}
@media(max-width:640px){.ag-bar .ag-txt span{display:none}.ag-bar{padding:10px 14px}}
/* popup: canto no desktop, faixa inferior no celular - NUNCA cobre a tela */
.ag-pop{position:fixed;right:18px;bottom:18px;width:330px;max-width:calc(100vw - 28px);background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px;box-shadow:0 12px 40px rgba(15,17,21,.22);z-index:60;opacity:0;transform:translateY(12px);transition:opacity .2s,transform .2s}
.ag-pop.on{opacity:1;transform:translateY(0)}
.ag-pop b{display:block;font-size:16px;margin-bottom:6px;padding-right:20px}
.ag-pop p{font-size:13.5px;color:var(--mut);margin-bottom:12px}
.ag-pop a{display:inline-block;background:linear-gradient(100deg,#4f46e5,#7c3aed);color:#fff;font-weight:800;text-decoration:none;padding:10px 18px;border-radius:9px;font-size:14px}
.ag-x{position:absolute;top:8px;right:10px;background:none;border:0;font-size:22px;line-height:1;color:var(--mut);cursor:pointer;padding:4px}
@media(max-width:640px){.ag-pop{right:10px;left:10px;bottom:10px;width:auto}}