:root{
  --azul:#0f2a44; --azul2:#17406a; --laranja:#f28c28; --laranja2:#d9741a;
  --verde:#1f8a4c; --verm:#c62828; --fundo:#f4f6f9; --card:#fff; --texto:#1e2a36;
  --suave:#5c6b7a; --borda:#dde3ea; --raio:14px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Open Sans',Arial,sans-serif;color:var(--texto);background:var(--fundo);line-height:1.6;font-size:16px}
h1,h2,h3,h4{font-family:'Montserrat',Arial,sans-serif;line-height:1.25;color:var(--azul);margin:0 0 .6em}
a{color:var(--azul2)}
img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}

/* topo */
.topo{background:var(--azul);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.topo-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.marca{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.marca-sep{background:var(--laranja);color:var(--azul);font-family:Montserrat;font-weight:800;font-size:20px;padding:6px 10px;border-radius:8px;letter-spacing:1px}
.marca-txt{font-family:Montserrat;font-weight:700;font-size:17px;line-height:1.1}
.marca-txt small{display:block;font-weight:600;font-size:12px;color:#ffd2a6;letter-spacing:.5px}
.menu{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.menu a{color:#fff;text-decoration:none;font-weight:600;font-size:14px;padding:8px 10px;border-radius:8px}
.menu a:hover{background:rgba(255,255,255,.1)}
.faixa-admin{background:#fff3cd;color:#664d03;text-align:center;font-size:14px;padding:6px}

/* botões */
.btn{display:inline-block;background:var(--laranja);color:#fff!important;font-family:Montserrat;font-weight:700;border:0;border-radius:10px;padding:12px 22px;text-decoration:none;cursor:pointer;font-size:15px;transition:.2s}
.btn:hover{background:var(--laranja2)}
.btn-sm{padding:8px 14px!important;font-size:13px!important}
.btn-azul{background:var(--azul2)} .btn-azul:hover{background:var(--azul)}
.btn-verde{background:#25a35a} .btn-verde:hover{background:var(--verde)}
.btn-borda{background:transparent;color:var(--azul2)!important;border:2px solid var(--azul2)}
.btn-borda:hover{background:var(--azul2);color:#fff!important}
.btn-cinza{background:#8a96a3}

/* hero */
.hero{background:linear-gradient(135deg,var(--azul) 0%,var(--azul2) 60%,#1d5fa8 100%);color:#fff;padding:56px 0 64px}
.hero h1{color:#fff;font-size:clamp(28px,4.5vw,42px);margin-bottom:.4em}
.hero p{font-size:18px;max-width:700px;color:#dbe7f3}
.hero .selos{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.selo{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:30px;padding:7px 14px;font-size:14px;font-weight:600}

/* seções */
.secao{padding:48px 0}
.secao-titulo{text-align:center;margin-bottom:30px}
.secao-titulo p{color:var(--suave);margin:0}
.grade{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.card{background:var(--card);border-radius:var(--raio);box-shadow:0 4px 18px rgba(15,42,68,.08);overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--borda)}
.card-topo{padding:18px 20px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:10px}
.card-topo .nr{font-family:Montserrat;font-weight:800;font-size:22px}
.tag{font-size:12px;font-weight:700;padding:4px 10px;border-radius:20px;background:rgba(255,255,255,.22);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}
.card-corpo{padding:18px 20px;flex:1;display:flex;flex-direction:column}
.card-corpo h3{font-size:17px}
.card-corpo p{color:var(--suave);font-size:15px;margin:0 0 14px}
.card-info{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:12px;border-top:1px solid var(--borda);gap:10px;flex-wrap:wrap}
.preco{font-family:Montserrat;font-weight:800;color:var(--verde);font-size:22px}
.carga{font-size:14px;color:var(--suave)}

/* passos */
.passos{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;counter-reset:p}
.passo{background:#fff;border-radius:var(--raio);padding:20px;border:1px solid var(--borda);position:relative}
.passo::before{counter-increment:p;content:counter(p);display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--laranja);color:#fff;font-family:Montserrat;font-weight:800;margin-bottom:10px}
.passo b{display:block;color:var(--azul);font-family:Montserrat;margin-bottom:4px}
.passo span{font-size:14px;color:var(--suave)}

/* caixas */
.caixa{background:#fff;border-radius:var(--raio);padding:26px;border:1px solid var(--borda);box-shadow:0 4px 18px rgba(15,42,68,.06);margin-bottom:22px}
.duas{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start}
@media(max-width:860px){.duas{grid-template-columns:1fr}}
.aviso{background:#fff4e5;border-left:5px solid var(--laranja);padding:14px 18px;border-radius:8px;margin:14px 0}
.ok{background:#e8f6ee;border-left:5px solid var(--verde);padding:14px 18px;border-radius:8px;margin:14px 0}
.erro{background:#fdecea;border-left:5px solid var(--verm);padding:14px 18px;border-radius:8px;margin:14px 0}
.destaque{background:#eef4fb;border-left:5px solid var(--azul2);padding:12px 16px;border-radius:8px;margin:16px 0}
.lista-check{list-style:none;padding:0;margin:0}
.lista-check li{padding:6px 0 6px 30px;position:relative}
.lista-check li::before{content:'✔';position:absolute;left:0;top:6px;color:var(--verde);font-weight:700}
.migalha{font-size:14px;margin:18px 0;color:var(--suave)}
.migalha a{color:var(--suave)}

/* PIX */
.pix{text-align:center}
.pix #qrcode{display:flex;justify-content:center;margin:12px 0}
.pix #qrcode img,.pix #qrcode canvas{border:8px solid #fff;box-shadow:0 0 0 1px var(--borda);border-radius:6px}
.copia{width:100%;font-family:monospace;font-size:12px;padding:10px;border:1px solid var(--borda);border-radius:8px;resize:none;background:#f9fafb}

/* formulários */
.form label{display:block;font-weight:600;margin:12px 0 4px;font-size:14px}
.form input[type=text],.form input[type=email],.form input[type=password],.form input[type=tel],.form select{width:100%;padding:12px;border:1px solid #c8d1db;border-radius:10px;font-size:16px;font-family:inherit;background:#fff}
.form input:focus{outline:2px solid var(--laranja);border-color:var(--laranja)}
.form .linha{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:600px){.form .linha{grid-template-columns:1fr}}
.estreito{max-width:440px;margin:40px auto}

/* aula */
.aula{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start;margin-top:10px}
@media(max-width:860px){.aula{grid-template-columns:1fr}}
.indice{position:sticky;top:90px;background:#fff;border-radius:var(--raio);border:1px solid var(--borda);padding:16px}
@media(max-width:860px){.indice{position:static}}
.indice ol{padding-left:20px;margin:0}
.indice li{margin:6px 0;font-size:14px}
.modulo{background:#fff;border-radius:var(--raio);border:1px solid var(--borda);padding:26px;margin-bottom:20px;scroll-margin-top:90px}
.modulo .num{font-family:Montserrat;font-weight:800;font-size:13px;color:var(--laranja);text-transform:uppercase;letter-spacing:1px}
.tabela{width:100%;border-collapse:collapse;margin:12px 0;font-size:15px}
.tabela th{background:var(--azul);color:#fff;text-align:left;padding:9px 12px}
.tabela td{padding:9px 12px;border-bottom:1px solid var(--borda)}
.tabela tr:nth-child(even) td{background:#f7f9fb}
.tabela-wrap{overflow-x:auto}
.bola{display:inline-block;width:14px;height:14px;border-radius:50%;vertical-align:middle;margin-right:6px}

/* prova */
.questao{background:#fff;border:1px solid var(--borda);border-radius:var(--raio);padding:20px;margin-bottom:16px}
.questao p{font-weight:600;margin-top:0}
.questao label{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border-radius:8px;cursor:pointer;border:1px solid transparent}
.questao label:hover{background:#f4f7fb;border-color:var(--borda)}
.questao input{margin-top:5px}
.nota{font-family:Montserrat;font-weight:800;font-size:54px;line-height:1}

/* painel do aluno */
.meu-curso{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:#fff;border:1px solid var(--borda);border-left:6px solid var(--azul2);border-radius:var(--raio);padding:18px 20px;margin-bottom:14px}
.meu-curso .acoes{display:flex;gap:8px;flex-wrap:wrap}
.status{font-size:13px;font-weight:700;padding:3px 10px;border-radius:20px;display:inline-block}
.st-ok{background:#e8f6ee;color:var(--verde)} .st-pend{background:#fff4e5;color:#a35a0f} .st-off{background:#eceff1;color:#607d8b}

/* admin */
.tab-admin{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.tab-admin th{background:var(--azul);color:#fff;padding:9px;text-align:left}
.tab-admin td{border-bottom:1px solid var(--borda);padding:9px;vertical-align:top}
.chk-cursos label{display:flex;gap:8px;align-items:center;font-weight:400;margin:4px 0}
.inline{display:inline}
.senha-box{font-family:monospace;font-size:22px;background:#fff;border:2px dashed var(--laranja);padding:10px 16px;border-radius:10px;display:inline-block;letter-spacing:2px}

/* rodapé */
.rodape{background:var(--azul);color:#cfdbe7;margin-top:50px;padding:30px 0 16px;font-size:14px}
.rodape a{color:#ffd2a6}
.rodape-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.copy{border-top:1px solid rgba(255,255,255,.12);margin-top:18px;padding-top:12px;font-size:13px;color:#9fb3c8}
.whats-flutuante{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:30}

@media print{
  .topo,.rodape,.whats-flutuante,.faixa-admin,.nao-imprimir{display:none!important}
  body{background:#fff}
}

/* figuras e referências */
.fig{margin:20px 0;text-align:center}
.fig img{width:100%;max-width:760px;height:auto;border-radius:14px;box-shadow:0 2px 10px rgba(15,42,68,.08)}
.fig figcaption{font-size:13px;color:var(--suave);margin-top:6px}
.refs{font-size:14px;color:var(--suave)}
.refs li{margin:3px 0}
.item-nr{display:inline-block;background:#eef4fb;color:var(--azul2);font-size:12px;font-weight:700;padding:1px 8px;border-radius:12px;margin-left:4px;white-space:nowrap}
.resumo-box{background:#0f2a44;color:#fff;border-radius:12px;padding:16px 20px;margin:18px 0}
.resumo-box b{color:#ffd2a6}
.resumo-box ul{margin:6px 0 0;padding-left:20px}
.atividade textarea{width:100%;min-height:130px;padding:12px;border:1px solid #c8d1db;border-radius:10px;font-family:inherit;font-size:15px}

/* aviso de compra (cursos presenciais) */
.modal-fundo{position:fixed;inset:0;background:rgba(15,42,68,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal-fundo[hidden]{display:none}
.modal-caixa{background:#fff;border-radius:16px;max-width:460px;width:100%;padding:28px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.3)}