:root {
  --fundo: #0b1220;
  --fundo-2: #101a2c;
  --cartao: #131f34;
  --borda: #22314b;
  --texto: #e8edf5;
  --suave: #93a0b5;
  --acento: #4fc3f7;
  --acento-forte: #1aa7e6;
  --ok: #3ddc97;
  --erro: #ff6b6b;
  --aviso: #ffc857;
  --raio: 14px;
  --largura: 1140px;
  --fonte: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
[id] { scroll-margin-top: 72px; }
body { margin: 0; background: var(--fundo); color: var(--texto); font: 16px/1.6 var(--fonte); }
a { color: var(--acento); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1em; }
.suave { color: var(--suave); }
.pequeno { font-size: .85rem; }
:focus-visible { outline: 3px solid var(--acento); outline-offset: 2px; }

/* ---------- topo ---------- */
.topo { position: sticky; top: 0; z-index: 10; background: rgba(11, 18, 32, .88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--borda); }
.topo-in { max-width: var(--largura); margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; gap: 24px; }
.marca { font-weight: 800; font-size: 1.1rem; color: var(--texto); text-decoration: none; white-space: nowrap; margin: 0; }
.ponto { color: var(--acento); }
.menu { display: flex; gap: 20px; margin-left: auto; }
.menu a { color: var(--suave); text-decoration: none; font-size: .95rem; }
.menu a:hover { color: var(--texto); }

/* ---------- botões ---------- */
.botao { display: inline-block; padding: 12px 22px; border: 0; border-radius: 10px; background: var(--acento); color: #04121c; font: 700 1rem var(--fonte); text-decoration: none; text-align: center; cursor: pointer; transition: transform .15s, background .15s; }
.botao:hover { background: #7fd5fa; transform: translateY(-1px); }
.botao-secundario { background: transparent; color: var(--texto); box-shadow: inset 0 0 0 1px var(--borda); }
.botao-secundario:hover { background: var(--cartao); }
.botao-grande { padding: 15px 28px; font-size: 1.05rem; }
.botao-pequeno { padding: 8px 16px; font-size: .9rem; }

/* ---------- hero ---------- */
.hero { background: radial-gradient(1000px 500px at 85% -10%, rgba(79, 195, 247, .18), transparent 60%), radial-gradient(700px 400px at -10% 110%, rgba(61, 220, 151, .10), transparent 60%); border-bottom: 1px solid var(--borda); }
.hero-in { max-width: var(--largura); margin: 0 auto; padding: 72px 16px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.selo-topo { display: inline-block; padding: 4px 12px; border-radius: 999px; background: rgba(79, 195, 247, .12); color: var(--acento); font-size: .85rem; font-weight: 600; }
.hero h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); letter-spacing: -.02em; }
.hero h1 em { font-style: normal; color: var(--acento); }
.hero-sub { font-size: 1.12rem; color: #c7d0dd; }
.hero-acoes { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 14px; }
.hero-risco { font-size: .85rem; color: var(--suave); }

/* ---------- terminal (ilustração da tela do robô) ---------- */
.terminal { background: #070c16; border: 1px solid var(--borda); border-radius: var(--raio); box-shadow: 0 30px 80px rgba(0, 0, 0, .45); overflow: hidden; font: 13px/1.5 var(--mono); }
.terminal-barra { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #0e1626; border-bottom: 1px solid var(--borda); }
.terminal-barra span { width: 11px; height: 11px; border-radius: 50%; background: #2a3a55; }
.terminal-barra b { margin-left: 10px; color: var(--suave); font-weight: 500; }
.terminal-corpo { padding: 14px 16px 16px; }
.t-painel { padding: 10px 12px; border: 1px solid var(--acento); border-radius: 8px; margin-bottom: 12px; }
.t-titulo { color: var(--texto); font-weight: 700; margin: 10px 0 6px; border-bottom: 1px solid var(--borda); padding-bottom: 4px; }
.t-tabela { width: 100%; border-collapse: collapse; }
.t-tabela th { color: var(--suave); font-weight: 500; text-align: left; padding: 2px 6px; }
.t-tabela td { padding: 3px 6px; color: var(--texto); white-space: nowrap; }
.t-barra { display: inline-block; width: 70px; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--ok) var(--v), #1d2a40 var(--v)); vertical-align: middle; }
.t-barra-aviso { background: linear-gradient(90deg, var(--aviso) var(--v), #1d2a40 var(--v)); }
.v72 { --v: 72%; } .v68 { --v: 68%; } .v55 { --v: 55%; }
.t-op { padding: 2px 0; color: var(--texto); }
.t-op span:first-child { display: inline-block; min-width: 58px; font-weight: 700; }
.t-acento { color: var(--acento); } .t-ok { color: var(--ok); } .t-erro { color: var(--erro); } .t-aviso { color: var(--aviso); } .t-suave { color: var(--suave); }
.t-rodape { margin-top: 10px; font-size: 12px; }
.terminal-legenda { margin: 0; padding: 8px 14px; border-top: 1px solid var(--borda); color: var(--suave); font: 12px var(--fonte); }

/* ---------- seções ---------- */
.secao { max-width: var(--largura); margin: 0 auto; padding: 76px 16px; }
.secao-alt { max-width: none; background: var(--fundo-2); border-top: 1px solid var(--borda); border-bottom: 1px solid var(--borda); }
.secao-alt > * { max-width: calc(var(--largura) - 32px); margin-left: auto; margin-right: auto; }
.secao > h2, .secao-sub { text-align: center; }
.secao-sub { color: var(--suave); margin: -6px auto 36px; max-width: 640px; }
.secao > h2 + .grade, .secao > h2 + .planos, .secao > h2 + .faq, .secao > h2 + .passos { margin-top: 32px; }
.estreita { max-width: 780px; }

.grade { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); padding: 22px; }
.cartao h3 { color: var(--texto); }
.cartao p { color: #c2cbd8; margin: 0; font-size: .97rem; }

.passos { list-style: none; counter-reset: p; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.passos li { counter-increment: p; background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.passos li::before { content: counter(p); width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: rgba(79, 195, 247, .15); color: var(--acento); font-weight: 800; margin-bottom: 6px; }
.passos span { color: #c2cbd8; font-size: .95rem; }

.galeria { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-top: 24px; }
.galeria img { border-radius: 10px; border: 1px solid var(--borda); }
.video { text-align: center; }

/* ---------- preço ---------- */
.planos { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
.plano { flex: 0 1 340px; background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); padding: 28px; display: flex; flex-direction: column; }
.plano-destaque { border-color: var(--acento); box-shadow: 0 0 0 1px var(--acento), 0 20px 60px rgba(79, 195, 247, .12); }
.plano-preco { font-size: 2.4rem; font-weight: 800; margin: 4px 0 0; }
.plano-periodo { color: var(--suave); font-size: .9rem; }
.plano .botao { margin-top: auto; }
.lista-check { list-style: none; padding: 0; margin: 0 0 22px; }
.lista-check li { padding-left: 26px; position: relative; margin: 6px 0; color: #c7d0dd; }
.lista-check li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }
.licenca-info { margin: 36px auto 0; max-width: 760px; padding: 22px 26px; border: 1px dashed var(--borda); border-radius: var(--raio); }
.licenca-info ul { margin: 0; padding-left: 20px; color: #c2cbd8; }

/* ---------- compra ---------- */
.compra { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.formulario { background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); padding: 26px; display: grid; gap: 14px; }
.formulario fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; }
.formulario legend { font-weight: 700; margin-bottom: 6px; }
.formulario label { display: grid; gap: 6px; font-weight: 600; font-size: .95rem; }
.formulario input[type=text], .formulario input[type=email] { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--borda); background: #0b1424; color: var(--texto); font: 1rem var(--fonte); }
.formulario input:focus { border-color: var(--acento); outline: none; }
.opcao-plano { display: flex !important; align-items: center; gap: 10px; padding: 12px 14px; border: 1px solid var(--borda); border-radius: 10px; cursor: pointer; font-weight: 400 !important; }
.opcao-plano:has(input:checked) { border-color: var(--acento); background: rgba(79, 195, 247, .07); }
.aceite { display: flex !important; gap: 10px; align-items: flex-start; font-weight: 400 !important; font-size: .9rem !important; color: #c2cbd8; }
.aceite input { margin-top: 4px; width: 18px; height: 18px; flex: none; }

/* ---------- risco, faq ---------- */
.aviso-risco { border: 1px solid rgba(255, 200, 87, .45); background: rgba(255, 200, 87, .06); border-radius: var(--raio); padding: 26px 28px; }
.aviso-risco h2 { font-size: 1.3rem; color: var(--aviso); text-align: left; }
.aviso-risco p { margin: 0; color: #e2d6b8; }
.faq { max-width: 820px; margin: 32px auto 0; display: grid; gap: 10px; }
.faq details { background: var(--cartao); border: 1px solid var(--borda); border-radius: 12px; padding: 0 20px; }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--acento); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: #c2cbd8; padding-bottom: 16px; margin: 0; }
.contatos { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* ---------- páginas internas ---------- */
.documento h2 { font-size: 1.3rem; margin-top: 1.8em; }
.documento li { margin: 4px 0; color: #c7d0dd; }
.documento p { color: #c7d0dd; }
.retorno { text-align: center; padding-top: 96px; padding-bottom: 96px; }
.destaque-texto { font-size: 1.1rem; color: #c7d0dd; }
.selo { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 20px; }
.selo-ok { background: var(--ok); } .selo-aviso { background: var(--aviso); } .selo-erro { background: var(--erro); }
.lista-erros { color: var(--erro); }

/* ---------- rodapé ---------- */
.rodape { border-top: 1px solid var(--borda); background: #080e1a; }
.rodape-in { max-width: var(--largura); margin: 0 auto; padding: 36px 16px 10px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.rodape-in nav { display: flex; flex-direction: column; gap: 6px; }
.rodape-in nav a { color: var(--suave); text-decoration: none; }
.rodape-in nav a:hover { color: var(--texto); }
.rodape-risco { max-width: var(--largura); margin: 0 auto; padding: 0 16px 30px; color: #6f7b90; font-size: .8rem; }

/* ---------- responsivo ---------- */
@media (max-width: 960px) {
  .hero-in, .compra { grid-template-columns: 1fr; }
  .hero-in { padding: 48px 16px; }
  .grade { grid-template-columns: repeat(2, 1fr); }
  .passos { grid-template-columns: repeat(2, 1fr); }
  .menu { display: none; }
  .topo .botao { margin-left: auto; }
}
@media (max-width: 600px) {
  .grade, .grade-3, .passos { grid-template-columns: 1fr; }
  .secao { padding: 56px 16px; }
  .hero-acoes .botao { width: 100%; }
  .terminal { font-size: 11.5px; }
  .t-barra { width: 44px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .botao { transition: none; }
}

/* ---------- tutoriais (mini curso) ---------- */
.centro { text-align: center; margin-top: 28px; }
.tutoriais-topo { text-align: center; padding-bottom: 24px; }
.tutoriais-topo h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-top: 14px; }
.modulo { padding-top: 28px; padding-bottom: 28px; }
.modulo h2 { text-align: left; font-size: 1.35rem; }
.grade-aulas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 24px; }
.cartao-aula { display: flex; flex-direction: column; background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); overflow: hidden; color: var(--texto); text-decoration: none; transition: transform .15s, border-color .15s; }
.cartao-aula:hover { transform: translateY(-2px); border-color: var(--acento); }
.miniatura { position: relative; display: block; aspect-ratio: 16 / 9; background: #070c16; }
.miniatura img { width: 100%; height: 100%; object-fit: cover; }
.play { position: absolute; inset: 0; margin: auto; width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: rgba(4, 18, 28, .78); color: var(--acento); font-size: 1.2rem; }
.cartao-aula-texto { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px 18px; }
.cartao-aula-texto small { color: var(--acento); font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.cartao-aula-texto span { color: #c2cbd8; font-size: .93rem; }

.cta-tutorial { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 28px 0; padding: 22px 26px; border-radius: var(--raio); border: 1px solid var(--acento); background: linear-gradient(120deg, rgba(79, 195, 247, .12), rgba(61, 220, 151, .06)); }
.cta-tutorial p { margin: 0; }
.cta-titulo { font-weight: 800; font-size: 1.15rem; }
.cta-centro { max-width: 760px; margin: 26px auto 0; text-align: left; }

.aula { padding-top: 32px; }
.trilha { font-size: .9rem; color: var(--suave); margin-bottom: 14px; }
.trilha a { color: var(--suave); }
.aula-grade { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; align-items: start; }
.aula h1 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.aula-numero { color: var(--acento); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; }
.video { position: relative; aspect-ratio: 16 / 9; border-radius: var(--raio); overflow: hidden; border: 1px solid var(--borda); background: #000; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.aula-texto { margin-top: 22px; color: #c7d0dd; }
.aula-navegacao { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.aula-navegacao .botao { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.aula-lista { position: sticky; top: 84px; background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio); padding: 18px; }
.aula-lista-titulo { font-weight: 700; margin-bottom: 8px; }
.aula-lista ol { margin: 0 0 16px; padding-left: 22px; }
.aula-lista li { margin: 6px 0; color: var(--suave); }
.aula-lista li a { color: #c7d0dd; text-decoration: none; }
.aula-lista li a:hover { color: var(--texto); }
.aula-lista li.atual a { color: var(--acento); font-weight: 700; }
.aula-lista .botao { width: 100%; }

@media (max-width: 960px) {
  .grade-aulas { grid-template-columns: repeat(2, 1fr); }
  .aula-grade { grid-template-columns: 1fr; }
  .aula-lista { position: static; }
}
@media (max-width: 600px) {
  .grade-aulas { grid-template-columns: 1fr; }
  .cta-tutorial { flex-direction: column; align-items: stretch; text-align: center; }
  .cta-tutorial .botao { width: 100%; }
}