/*
 * Páginas de conteúdo do site (calculadoras e guias). Mesmos tokens e a mesma família (Archivo) da página principal.
 * Texto em coluna de leitura; calculadoras em cartão, com o resultado ao lado no computador.
 */
:root {
  --night: #0b1020;
  --lane: #111a31;
  --lane-2: #17213d;
  --chalk: #eaf0fa;
  --fog: #a3afca;
  --dim: #6b7796;
  --rule: rgba(234, 240, 250, 0.09);
  --rule-2: rgba(234, 240, 250, 0.16);
  --cyan: #22c7d8;
  --green: #86f06b;
  --brand: linear-gradient(90deg, #3b6cff, #22c7d8 50%, #86f06b);
  --wide: 122%;
  --narrow: 68%;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(620px 380px at 88% -6%, rgba(34, 199, 216, 0.11), transparent 70%), var(--night);
  background-repeat: no-repeat;
  background-color: var(--night);
  color: var(--chalk);
  font-family: Archivo, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
a { color: var(--cyan); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-weight: 800; font-stretch: var(--wide); letter-spacing: -0.015em; text-wrap: balance; }
.num { font-stretch: var(--narrow); font-variant-numeric: tabular-nums; font-weight: 700; letter-spacing: 0; }

/* Topo */
.top { position: sticky; top: 0; z-index: 30; background: rgba(11, 16, 32, 0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--rule); }
.nav { max-width: 1180px; margin: 0 auto; padding: 0 28px; height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand .sym { width: 32px; height: 32px; }
.brand .word { height: 16px; width: auto; }
.nav-links { display: flex; gap: 24px; font-size: 15px; white-space: nowrap; }
.nav .btn { white-space: nowrap; }
.nav-links a { color: var(--fog); text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--chalk); }
.btn { display: inline-flex; align-items: center; justify-content: center; height: 46px; padding: 0 22px; border-radius: 999px; font: inherit; font-weight: 700; font-size: 16px; text-decoration: none; border: 0; cursor: pointer; transition: transform .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--brand); color: #06101e; }
.btn-line { background: transparent; color: var(--chalk); box-shadow: inset 0 0 0 1px var(--rule-2); }
.nav .btn { height: 40px; padding: 0 18px; font-size: 15px; }

/* Conteúdo */
main { max-width: 820px; margin: 0 auto; padding: 36px 24px 72px; }
main.wide { max-width: 1040px; }
.crumbs { font-size: 14px; color: var(--dim); margin: 0 0 26px; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs li + li::before { content: "›"; margin-right: 6px; }
.crumbs a { color: var(--fog); text-decoration: none; }
h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.02; letter-spacing: -0.025em; margin: 0 0 18px; }
.lead { color: var(--fog); font-size: 19px; line-height: 1.55; margin: 0 0 12px; max-width: 64ch; }
.updated { color: var(--dim); font-size: 14px; margin: 0 0 32px; }
h2 { font-size: clamp(24px, 3vw, 30px); line-height: 1.12; margin: 52px 0 14px; scroll-margin-top: 84px; }
h3 { font-size: 19px; font-stretch: 108%; letter-spacing: 0; margin: 28px 0 8px; }
p, li { color: var(--fog); }
p { margin: 0 0 14px; }
strong, b { color: var(--chalk); font-weight: 650; }
ul, ol { padding-left: 22px; margin: 0 0 16px; }
li { margin-bottom: 7px; }

/* Resposta direta logo abaixo do título (o trecho que buscadores e IAs citam) */
.answer { border-left: 3px solid var(--cyan); background: var(--lane); border-radius: 0 14px 14px 0; padding: 16px 20px; margin: 0 0 28px; }
.answer p { margin: 0; color: var(--chalk); }
.toc { background: var(--lane); border-radius: 14px; padding: 16px 20px 6px; margin: 0 0 8px; font-size: 15px; }
.toc b { display: block; margin-bottom: 6px; }
.toc a { color: var(--fog); text-decoration: none; }
.toc a:hover { color: var(--chalk); }

/* Tabelas */
.table { overflow-x: auto; margin: 6px 0 20px; border-radius: 14px; box-shadow: inset 0 0 0 1px var(--rule); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--rule); color: var(--fog); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
th { color: var(--chalk); font-weight: 650; font-size: 14px; background: var(--lane); }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* Fórmula */
.formula { background: var(--lane); border-radius: 12px; padding: 12px 16px; margin: 6px 0 16px; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 14.5px; color: var(--chalk); overflow-x: auto; white-space: nowrap; }

/* Calculadora */
.calc { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 0; background: var(--lane); border-radius: 22px; box-shadow: inset 0 0 0 1px var(--rule); overflow: hidden; margin: 8px 0 12px; }
.calc form { padding: 24px; }
.calc fieldset { border: 0; margin: 0 0 18px; padding: 0; }
.calc legend { font-weight: 700; color: var(--chalk); font-size: 15px; margin-bottom: 10px; padding: 0; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.calc label { display: grid; gap: 5px; font-size: 14px; color: var(--fog); }
.calc input, .calc select {
  width: 100%; height: 44px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--rule-2);
  background: var(--night); color: var(--chalk); font: inherit; font-size: 16px; font-variant-numeric: tabular-nums;
}
.calc input:focus, .calc select:focus { outline: 2px solid var(--cyan); outline-offset: 0; border-color: transparent; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: 999px; background: var(--night); box-shadow: inset 0 0 0 1px var(--rule); }
.seg label { display: block; cursor: pointer; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg span { display: block; padding: 7px 14px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--fog); }
.seg input:checked + span { background: var(--chalk); color: var(--night); }
.seg input:focus-visible + span { outline: 2px solid var(--cyan); }
.hint { font-size: 13px; color: var(--dim); margin: 8px 0 0; }
.out { background: var(--lane-2); padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.out .big { font-size: 56px; line-height: 1; font-stretch: var(--narrow); font-weight: 800; font-variant-numeric: tabular-nums; color: var(--chalk); }
.out .big small { font-size: 22px; color: var(--fog); margin-left: 4px; font-weight: 700; }
.out .label { font-size: 14px; color: var(--fog); margin: 0; }
.out dl { margin: 0; display: grid; gap: 10px; }
.out dl div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--rule); padding-bottom: 8px; font-size: 15px; }
.out dt { color: var(--fog); }
.out dd { margin: 0; color: var(--chalk); font-weight: 700; font-variant-numeric: tabular-nums; }
.out .empty { color: var(--dim); font-size: 15px; }

/* Cartões e chamada */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 10px 0 18px; }
.cards > div { background: var(--lane); border-radius: 16px; padding: 18px 20px; }
.cards h3 { margin-top: 0; }
.cards p { margin: 0; font-size: 15.5px; }
.shot { margin: 18px 0 22px; border-radius: 16px; overflow: hidden; box-shadow: inset 0 0 0 1px var(--rule), 0 40px 80px -50px #000; }
figure { margin: 0; }
figcaption { font-size: 14px; color: var(--dim); padding: 10px 2px 0; }
.cta { margin: 56px 0 0; padding: 28px; border-radius: 22px; background: var(--lane); box-shadow: inset 0 0 0 1px var(--rule); display: grid; gap: 14px; }
.cta h2 { margin: 0; font-size: clamp(22px, 2.8vw, 28px); }
.cta p { margin: 0; }
.cta .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }

/* Perguntas frequentes */
.faq details { border-bottom: 1px solid var(--rule); padding: 4px 0; }
.faq summary { cursor: pointer; list-style: none; padding: 14px 32px 14px 0; position: relative; font-weight: 700; color: var(--chalk); font-size: 17px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 10px; font-size: 24px; color: var(--fog); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; }

.related { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 14px 0 0; }
.related a { display: block; background: var(--lane); border-radius: 14px; padding: 16px 18px; text-decoration: none; color: var(--chalk); font-weight: 700; }
.related a span { display: block; color: var(--fog); font-weight: 400; font-size: 14.5px; margin-top: 4px; }
.related a:hover { box-shadow: inset 0 0 0 1px var(--rule-2); }

/* Rodapé */
footer { border-top: 1px solid var(--rule); color: var(--dim); font-size: 14px; }
footer .in { max-width: 1180px; margin: 0 auto; padding: 36px 28px 20px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 24px; }
footer nav { display: flex; flex-direction: column; gap: 8px; }
footer nav b { color: var(--chalk); font-weight: 700; margin-bottom: 2px; }
footer a { color: var(--fog); text-decoration: none; }
footer a:hover { color: var(--chalk); }
footer .copy { max-width: 1180px; margin: 0 auto; padding: 0 28px 40px; color: var(--dim); }

@media (max-width: 1100px) {
  .nav-links { display: none; }
}
@media (max-width: 860px) {
  .calc { grid-template-columns: 1fr; }
  footer .in { grid-template-columns: 1fr 1fr; }
  footer .in nav:first-child { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; gap: 8px 18px; }
  footer .in nav:first-child b { width: 100%; }
}
@media (max-width: 560px) {
  .nav { padding: 0 16px; }
  .nav .btn-line { display: none; }
  main { padding: 26px 16px 56px; }
  .calc form, .out { padding: 18px; }
  .fields { grid-template-columns: 1fr 1fr; }
  footer .in { padding: 28px 16px 16px; }
  footer .copy { padding: 0 16px 32px; }
}