:root {
  --bg: #F2F2F2;
  --ink: #0D0D0D;
  --muted: #4A4A4A;
  --line: #CFCFCF;
  --card: #FFFFFF;
  --accent: #1BD87F;
  --radius: 14px;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink); text-underline-offset: 3px; }
[hidden] { display: none !important; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: 12px; top: -60px; background: var(--ink); color: #fff;
  padding: 10px 14px; border-radius: 8px; z-index: 10;
}
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: 560px; margin: 0 auto; padding: 0 20px; }
.wrap-larga { max-width: 880px; }

.topo { padding: 18px 0 6px; }
.topo .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.marca, .rotulo {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
  text-decoration: none;
}
.topo a.marca:hover { color: var(--ink); text-decoration: underline; }

main { padding: 18px 0 56px; }

h1 {
  font-size: 38px; line-height: 1.08; font-weight: 800; letter-spacing: -0.02em;
  margin: 10px 0 12px;
}
h2 {
  font-size: 24px; line-height: 1.2; font-weight: 800; letter-spacing: -0.01em;
  margin: 0 0 12px;
}
h3 { font-size: 18px; line-height: 1.3; font-weight: 700; margin: 0 0 4px; }
p { margin: 0 0 14px; }
.lead { font-size: 20px; line-height: 1.45; margin-bottom: 20px; }

.capa { border-radius: var(--radius); overflow: hidden; background: var(--card); border: 1px solid var(--line); margin: 0 0 24px; }
.capa img { width: 100%; }

.cartao {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  margin: 0 0 20px;
}

.capa-retrato { max-width: 220px; background: var(--ink); border-color: var(--ink); }
.capa-miniatura { margin: 0; }

.etapas { list-style: none; counter-reset: e; padding: 0; margin: 0; display: grid; gap: 8px; }
.etapas li { counter-increment: e; display: flex; gap: 14px; align-items: baseline; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; }
.etapas li::before { content: counter(e, decimal-leading-zero); font-family: var(--mono); font-weight: 500; font-size: 15px; color: var(--ink); flex: none; }

/* botões */
.btn {
  display: flex; align-items: center; justify-content: center; text-align: center;
  width: 100%; min-height: 56px; padding: 14px 20px;
  font: 700 18px/1.2 var(--sans);
  border-radius: 12px; border: 2px solid var(--ink);
  text-decoration: none; cursor: pointer;
  color: var(--ink); background: transparent;
}
.btn-principal { background: var(--accent); min-height: 64px; font-size: 20px; }
.btn-principal:hover { filter: brightness(0.95); }
.btn-secundario { background: var(--card); }
.btn-secundario:hover { background: #E8E8E8; }
.btn[disabled] { opacity: 0.55; cursor: default; }
.btn + .btn, .btn + form, a.btn + button.btn { margin-top: 12px; }

/* pergunta */
.opcoes { display: grid; gap: 10px; margin: 16px 0 4px; padding: 0; border: 0; }
.opcao {
  min-height: 52px; padding: 12px 16px; text-align: left;
  font: 600 17px/1.25 var(--sans);
  background: var(--bg); color: var(--ink);
  border: 2px solid var(--ink); border-radius: 12px; cursor: pointer;
}
.opcao:hover { background: #E4E4E4; }
.opcao[aria-pressed="true"] { background: var(--ink); color: #fff; }
.opcao[disabled] { cursor: default; opacity: 0.6; }
.opcao[aria-pressed="true"][disabled] { opacity: 1; }

label { display: block; font-weight: 600; font-size: 16px; margin: 16px 0 6px; }
.dica { font-size: 15px; color: var(--muted); font-weight: 400; }
input[type="text"], input[type="email"], textarea {
  width: 100%; min-height: 52px; padding: 12px 14px;
  font: 400 18px/1.3 var(--sans); color: var(--ink);
  background: #fff; border: 2px solid var(--ink); border-radius: 12px;
}
input::placeholder, textarea::placeholder { color: #6B6B6B; }
input[aria-invalid="true"] { border-width: 3px; }

.acoes-pergunta { display: flex; align-items: center; gap: 16px; margin-top: 16px; flex-wrap: wrap; }
.acoes-pergunta .btn { width: auto; min-height: 48px; font-size: 16px; }
.link-pular {
  background: none; border: 0; padding: 12px 0; font: 600 16px var(--sans);
  color: var(--ink); text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}

.msg { margin: 12px 0 0; font-size: 16px; font-weight: 600; min-height: 1.5em; }
.msg:empty { margin: 0; min-height: 0; }
.email-form { margin-top: 14px; }
.email-linha { display: grid; gap: 10px; }

/* entrega */
.entrega h2 { margin-bottom: 16px; }
.entrega .nota { font-size: 15px; color: var(--muted); margin: 12px 0 0; }

/* seções de texto das páginas públicas */
.secao { margin: 36px 0 0; }
.passos { list-style: none; counter-reset: p; padding: 0; margin: 0; display: grid; gap: 12px; }
.passos li { counter-increment: p; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 16px 16px 64px; position: relative; }
.passos li::before {
  content: counter(p); position: absolute; left: 16px; top: 16px; width: 34px; height: 34px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--ink); color: #fff; font-family: var(--mono); font-weight: 500; font-size: 16px;
}
.passos p { margin: 0; }
.lista { margin: 0; padding-left: 20px; }
.lista li { margin: 4px 0; }
.dois { display: grid; gap: 20px; margin-top: 12px; }
.dois h3 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); font-weight: 500; margin-bottom: 8px; }
.tres { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.tres li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.tres p { margin: 0; }

.grade { display: grid; gap: 16px; list-style: none; margin: 0; padding: 0; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.item-material { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.item-material a { display: grid; grid-template-columns: 112px 1fr; gap: 16px; align-items: center; padding: 14px; text-decoration: none; }
.item-material .capa-miniatura { max-width: none; border-radius: 8px; overflow: hidden; background: var(--ink); border: 0; }
.item-material .corpo { padding: 0; }
.item-material h2 { font-size: 22px; margin-bottom: 6px; }
.item-material p { margin: 0 0 12px; }
.item-material .ver { font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.item-material a:hover .ver { text-decoration-thickness: 3px; }

.rodape { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 15px; color: var(--muted); }
.rodape a { color: var(--muted); }

@media (min-width: 720px) {
  body { font-size: 19px; }
  h1 { font-size: 52px; }
  .wrap-larga .hero { display: grid; grid-template-columns: 1fr 340px; gap: 56px; align-items: start; }
  .wrap-larga .capa { margin: 0; }
  .wrap-larga .capa-retrato { max-width: 340px; justify-self: end; }
  .dois { grid-template-columns: 1fr 1fr; }
  .tres { grid-template-columns: repeat(3, 1fr); }
  .email-linha { grid-template-columns: 1fr auto; align-items: start; }
  .email-linha .btn { width: auto; min-height: 52px; }
  .wrap:not(.wrap-larga) h1 { font-size: 44px; }
}

@media (prefers-reduced-motion: no-preference) {
  .btn, .opcao { transition: background-color .12s ease, filter .12s ease; }
}
.check { display: flex; gap: 8px; align-items: flex-start; margin-top: 10px; font-size: 15px; line-height: 1.4; }
.check input { margin-top: 3px; width: 18px; height: 18px; flex: none; }