/* Páginas de conteúdo (Universo IA e ferramentas): leitura confortável, celular primeiro. */
:root { --noite: #120F33; --noite-2: #2A2470; --tinta: #1D2433; --tinta-2: #4E576B; --linha: #D8D6EC; --acento: #4F46E5; --acento-forte: #4338CA; --papel: #F1F0FA; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.65 "Figtree", system-ui, sans-serif; color: var(--tinta); background: var(--papel); -webkit-font-smoothing: antialiased; }
a { color: var(--acento); }
:focus-visible { outline: 3px solid var(--acento); outline-offset: 2px; border-radius: 6px; }
.topo { background: var(--noite); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: calc(8px + env(safe-area-inset-top)) 16px 8px; }
.topo a { color: #fff; text-decoration: none; font-weight: 800; min-height: 44px; display: inline-flex; align-items: center; gap: 10px; }
.topo img { width: 26px; height: 26px; image-rendering: pixelated; }
.marca-txt { font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace; font-weight: 700; font-size: 16px; letter-spacing: .06em; }
.topo .voltar { white-space: nowrap; font-size: 14px; font-weight: 700; padding: 0 14px; min-height: 38px; border-radius: 999px; border: 1.5px solid rgba(165,180,252,.5); }
main { max-width: 68ch; margin: 0 auto; padding: 24px 16px 40px; }
h1 { font-size: clamp(26px, 6vw, 36px); line-height: 1.15; margin: 4px 0 10px; letter-spacing: -0.01em; text-wrap: balance; }
h2 { font-size: 21px; line-height: 1.25; margin: 30px 0 8px; }
h3 { font-size: 18px; margin: 22px 0 6px; }
p, li { color: #2B3244; }
.lead { font-size: 19px; color: var(--tinta-2); margin: 0 0 12px; }
.meta { font-size: 14px; color: var(--tinta-2); margin: 0 0 24px; padding-bottom: 16px; border-bottom: 1px solid var(--linha); }
.cat { font-size: 13px; font-weight: 800; color: var(--acento-forte); margin: 0; }
ul, ol { padding-left: 22px; } li { margin: 6px 0; }
.fontes { font-size: 15px; }
.cta { margin-top: 36px; padding: 20px; border-radius: 18px; background: linear-gradient(135deg, var(--noite), var(--noite-2)); color: #fff; }
.cta b { font-size: 19px; } .cta p { color: #D6D9F7; margin: 4px 0 14px; }
.btn { display: inline-flex; align-items: center; min-height: 46px; padding: 0 18px; border-radius: 12px; background: var(--acento); color: #fff; font-weight: 800; text-decoration: none; margin: 4px 6px 4px 0; }
.btn:hover { background: var(--acento-forte); }
.btn.vazio { background: rgba(255,255,255,.12); }
.lista { list-style: none; padding: 0; display: grid; gap: 12px; margin-top: 20px; }
.lista a { display: grid; gap: 4px; padding: 16px; border-radius: 16px; background: #fff; box-shadow: 0 0 0 1px var(--linha); text-decoration: none; color: var(--tinta); }
.lista a:hover { box-shadow: 0 0 0 1.5px var(--acento); }
.lista b { font-size: 18px; line-height: 1.3; } .lista span:last-child { font-size: 15px; color: var(--tinta-2); }
.rodape { max-width: 68ch; margin: 0 auto; padding: 20px 16px calc(28px + env(safe-area-inset-bottom)); display: flex; flex-wrap: wrap; gap: 8px 20px; border-top: 1px solid var(--linha); font-size: 15px; }
.rodape a { min-height: 44px; display: inline-flex; align-items: center; color: var(--tinta-2); font-weight: 700; }