/* Artigos: mesmo visual do index.html (tokens, fontes e header copiados de lá) */
:root {
  --bg: #0b0f12;
  --card: #141b21;
  --line: #23303a;
  --text: #e6edf2;
  --muted: #8b9aa6;
  --accent: #38d9f5;
  --accent-ink: #04161b;
  --code: #0f161b;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "Space Grotesk", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.muted { color: var(--muted); }
.accent { color: var(--accent); }

header { position: sticky; top: 0; z-index: 10; background: rgba(11,15,18,.85); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 36px; height: 36px; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 14px; }
.brand b { display: block; font-size: 13px; letter-spacing: .08em; }
.brand span { display: block; font-family: var(--mono); font-size: 10px; color: var(--muted); letter-spacing: .14em; }
nav { display: flex; gap: 28px; font-size: 14px; color: var(--muted); }
nav a:hover, nav a.on { color: var(--text); }
.progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--accent); transform-origin: 0 50%; transform: scaleX(0); box-shadow: 0 0 8px var(--accent); }

.label { color: var(--accent); margin-bottom: 14px; }
h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.05; letter-spacing: -.02em; font-weight: 700; }
.intro { color: var(--muted); max-width: 620px; margin-top: 16px; font-size: 17px; }

/* Índice */
.list-page { padding: 88px 0 104px; }
.posts { margin-top: 48px; display: grid; gap: 24px; }
.post { border: 1px solid var(--line); background: var(--card); padding: 28px; display: block; transition: border-color .3s, transform .3s; }
.post:hover { border-color: var(--accent); transform: translateY(-3px); }
.post h2 { font-size: 26px; line-height: 1.15; margin: 12px 0 10px; letter-spacing: -.01em; }
.post p { color: var(--muted); }
.post .go { display: inline-block; margin-top: 16px; color: var(--accent); }

/* Artigo */
article.post-page { padding: 72px 0 104px; }
.post-page .wrap { max-width: 760px; }
.crumb { color: var(--muted); }
.crumb a:hover { color: var(--accent); }
.post-page h1 { margin-top: 18px; }
.meta { margin-top: 18px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 18px; }
.post-page .lede { margin-top: 28px; font-size: 19px; color: var(--text); }
.prose { margin-top: 8px; }
.prose h2 { font-size: clamp(24px, 3.2vw, 30px); line-height: 1.15; letter-spacing: -.01em; margin: 52px 0 14px; }
.prose h3 { font-size: 19px; margin: 32px 0 10px; }
.prose p, .prose li { color: #c5d1da; font-size: 17px; }
.prose p { margin-top: 16px; }
.prose ul, .prose ol { margin-top: 16px; padding-left: 22px; display: grid; gap: 8px; }
.prose strong { color: var(--text); }
.prose a { color: var(--accent); }
.prose a:hover { text-decoration: underline; }
.prose code { font-family: var(--mono); font-size: .86em; background: var(--code); border: 1px solid var(--line); padding: 1px 5px; overflow-wrap: anywhere; }
.prose pre { margin-top: 18px; background: var(--code); border: 1px solid var(--line); padding: 18px 20px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.6; color: #d5e0e8; }
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; overflow-wrap: normal; }
.prose figure { margin-top: 18px; }
.prose figcaption { color: var(--muted); font-size: 14px; margin-top: 8px; }
.prose .callout { margin-top: 22px; border-left: 2px solid var(--accent); background: var(--card); padding: 16px 20px; }
.prose .callout p { margin-top: 0; }
.prose .callout p + p { margin-top: 10px; }
.c { color: #6f8494; }
.k { color: var(--accent); }
.s { color: #9fe0a8; }

.author { margin-top: 64px; border-top: 1px solid var(--line); padding-top: 28px; display: grid; gap: 10px; }
.author p { color: var(--muted); }
.links { margin-top: 10px; display: flex; gap: 12px; flex-wrap: wrap; }
.pill { border: 1px solid var(--line); padding: 10px 16px; font-size: 14px; }
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill.solid { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.pill.solid:hover { filter: brightness(1.1); color: var(--accent-ink); }

footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 860px) {
  nav { gap: 18px; font-size: 13px; }
  .list-page { padding-top: 56px; }
  article.post-page { padding-top: 48px; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  .brand > div:last-child { display: none; }
  .prose p, .prose li { font-size: 16px; }
  .post-page .lede { font-size: 17px; }
  .prose pre { padding: 14px; font-size: 12px; margin-left: -16px; margin-right: -16px; border-left: 0; border-right: 0; }
}