:root { --txt: #0f1419; --sub: #536471; --linha: #e6e9ec; --fundo: #f5f7f9; --card: #fff; --azul: #1d9bf0; --escuro: #0d1117; }
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Segoe UI", -apple-system, Helvetica, Arial, sans-serif; color: var(--txt); background: var(--fundo); line-height: 1.6; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.cont { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.estreito { max-width: 720px; margin: 0 auto; padding: 0 16px; }

/* topo */
.barra { background: var(--card); border-bottom: 1px solid var(--linha); position: sticky; top: 0; z-index: 10; }
.barra .cont { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 18px; }
.mini-avatar { width: 36px; height: 36px; border-radius: 50%; background-size: var(--fz); background-position: var(--fp); flex: none; }
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--txt); color: #fff; text-decoration: none; font-weight: 700; padding: 10px 18px; border-radius: 99px; font-size: 15px; border: 0; cursor: pointer; }
.btn.claro { background: #fff; color: var(--txt); border: 1px solid var(--linha); }
.selo { width: 18px; height: 18px; flex: none; }

/* capa da home */
.hero { background: var(--card); border-bottom: 1px solid var(--linha); padding: 56px 0 48px; }
.hero .cont { display: flex; gap: 40px; align-items: center; }
.avatar-grande { width: 150px; height: 150px; border-radius: 50%; background-size: var(--fz); background-position: var(--fp); flex: none; box-shadow: 0 0 0 6px #fff, 0 0 0 7px var(--linha); }
.hero h1 { font-size: 40px; line-height: 1.15; letter-spacing: -1px; margin: 6px 0 12px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, #D97757, #1d9bf0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { font-size: 18px; color: var(--sub); max-width: 560px; margin-bottom: 20px; }
.quem { display: flex; align-items: center; gap: 6px; font-weight: 800; }
.quem span { color: var(--sub); font-weight: 400; }
.acoes { display: flex; gap: 10px; flex-wrap: wrap; }

/* lista de artigos */
.secao-titulo { font-size: 24px; letter-spacing: -.3px; margin: 44px 0 18px; }
.grade { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--linha); border-radius: 20px; overflow: hidden; text-decoration: none; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(15,20,25,.08); }
.card .img { aspect-ratio: 4 / 5; background: #eef2f6 center top / cover no-repeat; border-bottom: 1px solid var(--linha); }
.card .txt { padding: 16px 18px 20px; }
.cat { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: #0b6fb8; margin-bottom: 6px; }
.card h3 { font-size: 18px; line-height: 1.3; margin-bottom: 6px; }
.card p { font-size: 15px; color: var(--sub); }

/* newsletter */
.news { background: var(--escuro); color: #fff; border-radius: 24px; padding: 36px 32px; margin: 48px 0; display: flex; gap: 28px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.news h2 { font-size: 26px; line-height: 1.2; margin-bottom: 6px; }
.news p { color: #9aa4ae; }
.news form { display: flex; gap: 10px; flex-wrap: wrap; flex: 1; min-width: 280px; max-width: 460px; }
.news input[type=email] { flex: 1; min-width: 200px; padding: 13px 16px; border-radius: 99px; border: 1px solid #30363d; background: #161b22; color: #fff; font-size: 16px; }
.news .btn { background: #fff; color: var(--txt); }
.escondido { position: absolute; left: -9999px; }

/* artigo */
.artigo { padding-top: 40px; padding-bottom: 20px; }
.artigo h1 { font-size: 38px; line-height: 1.15; letter-spacing: -1px; margin: 8px 0 14px; }
.lead { font-size: 20px; color: var(--sub); margin-bottom: 20px; }
.autor { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; font-size: 15px; color: var(--sub); }
.autor b { color: var(--txt); display: flex; align-items: center; gap: 5px; }
.capa-artigo { border-radius: 20px; overflow: hidden; border: 1px solid var(--linha); margin-bottom: 32px; max-width: 520px; }
.corpo { font-size: 18.5px; }
.corpo p { margin-bottom: 18px; }
.corpo h2 { font-size: 26px; line-height: 1.25; letter-spacing: -.4px; margin: 34px 0 14px; }
.corpo ul.itens { list-style: none; margin: 0 0 22px; display: grid; gap: 10px; }
.corpo ul.itens li { background: var(--card); border: 1px solid var(--linha); border-radius: 14px; padding: 14px 16px; display: flex; gap: 12px; align-items: flex-start; }
.corpo ul.itens .ic { flex: none; font-size: 22px; line-height: 1.3; }
.corpo figure { margin: 8px 0 26px; }
.corpo figure img { border-radius: 16px; border: 1px solid var(--linha); }
.corpo figcaption { font-size: 14px; color: var(--sub); margin-top: 8px; }
.chat { border-radius: 18px; border: 1px solid var(--linha); background: var(--card); padding: 18px; margin: 4px 0 26px; font-size: 16.5px; }
.chat .app { font-size: 13px; font-weight: 800; color: var(--sub); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.chat .eu { margin-left: auto; max-width: 88%; background: #f0f4f9; border-radius: 18px; padding: 12px 16px; margin-bottom: 12px; width: fit-content; }
.chat .ia { padding: 2px 4px; }
.terminal { background: var(--escuro); color: #c9d1d9; border-radius: 16px; padding: 18px 20px; font-family: Consolas, Menlo, monospace; font-size: 15px; line-height: 1.7; margin: 4px 0 26px; overflow-x: auto; }
.terminal .ok { color: #7ee787; } .terminal .dim { color: #6e7681; } .terminal .cmd::before { content: "$ "; color: #7ee787; }
.destaque { background: var(--escuro); color: #fff; border-radius: 18px; padding: 24px; text-align: center; margin: 4px 0 26px; }
.destaque .n { font-size: 64px; font-weight: 900; color: #3ddc84; line-height: 1; }
.destaque .t { font-size: 22px; font-weight: 800; margin-top: 6px; }
.destaque .s { color: #9aa4ae; margin-top: 4px; font-size: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 14px; }
.chips span { border: 1px solid #2f5e44; color: #b8f5d0; border-radius: 99px; padding: 4px 12px; font-size: 13px; font-family: Consolas, monospace; }
.comparar { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 4px 0 26px; }
.comparar div { border-radius: 16px; padding: 16px; border: 2px solid #3ddc84; background: #effcf4; font-size: 16px; }
.comparar div.nao { border: 2px dashed #c3cad1; background: #fafbfc; color: var(--sub); }
.comparar b { display: block; font-size: 18px; margin-bottom: 4px; color: var(--txt); }
table.tab { width: 100%; border-collapse: collapse; margin: 4px 0 26px; font-size: 16px; background: var(--card); border-radius: 14px; overflow: hidden; }
table.tab th, table.tab td { padding: 12px 10px; border-bottom: 1px solid var(--linha); text-align: center; }
table.tab td:first-child, table.tab th:first-child { text-align: left; font-weight: 700; }
.cta { background: var(--card); border: 2px solid var(--txt); border-radius: 22px; padding: 26px; margin: 36px 0; }
.cta h2 { font-size: 22px; margin-bottom: 8px; }
.cta p { color: var(--sub); margin-bottom: 16px; font-size: 17px; }
.cta .palavra { display: inline-block; background: #ffe14d; color: var(--txt); font-weight: 900; padding: 1px 10px; border-radius: 8px; }
.fonte { font-size: 14px; color: var(--sub); border-top: 1px solid var(--linha); padding-top: 16px; margin-top: 10px; }
.mais { margin-top: 40px; }

.rodape { border-top: 1px solid var(--linha); background: var(--card); margin-top: 56px; padding: 28px 0; font-size: 14px; color: var(--sub); }
.rodape .cont { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .grade { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .hero { padding: 36px 0 32px; }
  .hero .cont { flex-direction: column; align-items: flex-start; gap: 20px; }
  .avatar-grande { width: 110px; height: 110px; }
  .hero h1 { font-size: 30px; }
  .grade { grid-template-columns: 1fr; }
  .artigo h1 { font-size: 30px; }
  .lead { font-size: 18px; }
  .corpo { font-size: 17.5px; }
  .comparar { grid-template-columns: 1fr; }
  .news { padding: 28px 20px; }
  .barra .btn span { display: none; }
}