:root {
  --bg: #0f1216;
  --surface: #161b22;
  --line: #252c36;
  --text: #d7dee7;
  --muted: #8b96a5;
  --accent: #7dd3a8;
  --link: #7cb7ff;
  --code-bg: #0b0e12;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
main.wrap { padding-top: 48px; padding-bottom: 40px; min-height: 70vh; }

h1, h2, .logo, .nav a, .row strong, .date, .tag, code, pre { font-family: var(--mono); }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 6px; }
h2 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 600; margin: 0 0 14px; }
p { margin: 0 0 8px; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; border-radius: 8px; }
strong { color: #eef2f7; }

.muted { color: var(--muted); }
.small { font-size: 0.88rem; }
.links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 12px; }
.more { margin-top: 14px; }
section { margin-top: 44px; }

/* nav */
.nav { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); z-index: 10; }
.nav .wrap { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.logo { color: var(--accent); font-weight: 700; }
.nav .wrap > div { display: flex; gap: 18px; }
@media (max-width: 420px) { .nav .wrap > div { gap: 12px; } }
.nav .wrap > div a { color: var(--muted); font-size: 0.9rem; }
.nav .wrap > div a[aria-current] { color: var(--text); }
.nav a:hover { text-decoration: none; color: var(--text); }

.intro { margin-bottom: 8px; }
.intro.cols { padding-bottom: 36px; border-bottom: 1px solid var(--line); }
@media (max-width: 820px) { .intro.cols > div + div { margin-top: 16px; } }
.intro p { margin-bottom: 10px; }

/* duas colunas lado a lado; empilha no celular */
.cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 48px; align-items: start; }
.cols > * > section:first-child, .cols > section { margin-top: 44px; }
@media (max-width: 820px) { .cols { grid-template-columns: 1fr; } .cols > section + section { margin-top: 44px; } }

/* páginas de texto (blog, post) continuam estreitas */
main > article, main > .narrow { max-width: 760px; }

/* cards */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 10px; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 4px 12px; flex-wrap: wrap; margin-bottom: 2px; }
.row strong { font-size: 0.92rem; }
.card p { margin: 0; }
.impact { color: var(--accent); font-weight: 600; font-size: 0.92rem; margin-top: 6px !important; }
.card .links { margin-top: 8px; }
.card img { margin-top: 10px; border: 1px solid var(--line); }

/* posts e experiência */
.post-row, .xp { display: grid; grid-template-columns: 104px 1fr; gap: 8px; padding: 12px 0; border-top: 1px solid var(--line); }
.post-row:first-of-type, .xp:first-of-type { border-top: 0; padding-top: 0; }
.post-row p, .xp p { margin: 2px 0 0; }
.date { color: var(--muted); font-size: 0.82rem; padding-top: 3px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tag { font-size: 0.72rem; color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 0 7px; }
@media (max-width: 520px) {
  .post-row, .xp { grid-template-columns: 1fr; gap: 2px; }
}

/* post */
article .date { display: block; margin-bottom: 12px; }
.source { display: inline-block; font-size: 0.8rem; color: var(--accent); border: 1px solid #2c4a3c; background: #12221b; border-radius: 6px; padding: 3px 10px; }
.source:hover { text-decoration: none; border-color: var(--accent); }
.prose { margin-top: 28px; }
.prose h1, .prose h2, .prose h3 { font-family: inherit; text-transform: none; letter-spacing: 0; color: var(--text); }
.prose h1 { font-size: 1.4rem; margin: 32px 0 10px; }
.prose h2 { font-size: 1.2rem; margin: 32px 0 10px; }
.prose h3 { font-size: 1.05rem; margin: 24px 0 8px; }
.prose p, .prose ul, .prose ol { margin: 0 0 14px; }
.prose li { margin-bottom: 4px; }
.prose li.task { list-style: none; margin-left: -1.2em; }
.prose img { margin: 8px 0; }
.prose figure { margin: 0 0 16px; }
.prose figcaption { color: var(--muted); font-size: 0.85rem; text-align: center; margin-top: 4px; }
.prose blockquote { margin: 0 0 14px; padding: 2px 16px; border-left: 3px solid var(--line); color: var(--muted); }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
code { background: var(--surface); border: 1px solid var(--line); padding: 1px 5px; border-radius: 4px; font-size: 0.86em; }
pre { background: var(--code-bg); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 0.86rem; line-height: 1.55; margin: 0 0 16px; }
pre code { background: none; border: 0; padding: 0; }
.table-wrap { overflow-x: auto; margin-bottom: 16px; }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
th { background: var(--surface); }

.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); }

footer { border-top: 1px solid var(--line); padding: 20px 0 40px; font-size: 0.85rem; color: var(--muted); }

/* botão de idioma */
.nav .lang { font-size: 0.75rem !important; border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; margin-left: 4px; }
.nav .lang:hover { border-color: var(--accent); color: var(--accent) !important; }
.nav .wrap > div { align-items: center; }
.card .tags { margin-top: 8px; }

/* fatos rápidos no cabeçalho */
.facts { margin: 22px 0 0; font-family: var(--mono); font-size: 0.85rem; border-left: 2px solid var(--line); padding-left: 14px; }
.facts div { display: grid; grid-template-columns: 84px 1fr; gap: 8px; padding: 3px 0; }
.facts dt { color: var(--accent); }
.facts dt::before { content: '$ '; color: var(--muted); }
.facts dd { margin: 0; color: var(--text); }

/* vídeo do projeto */
.media { margin-top: 12px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #000; }
.media video { display: block; width: 100%; max-height: 420px; object-fit: contain; }
.media.yt { aspect-ratio: 16 / 9; }
.media.yt iframe { width: 100%; height: 100%; border: 0; display: block; }
.cols > *, .card { min-width: 0; }
.card { overflow: hidden; }
.media video { max-width: 100%; height: auto; }

/* imagens do projeto */
.gallery { display: grid; gap: 8px; margin-top: 12px; align-items: start; }
.gallery.cover + .gallery { margin-top: 8px; }
.gallery.g3 img { max-height: 320px; }
.gallery.g2 { grid-template-columns: 1fr 1fr; }
.gallery.g3 { grid-template-columns: repeat(3, 1fr); }
.gallery a { display: block; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #000; }
.gallery img { display: block; width: 100%; height: auto; max-height: 420px; object-fit: contain; margin: 0; border: 0; border-radius: 0; }

/* overlay das imagens */
.gallery a { cursor: zoom-in; }
.lightbox { padding: 0; border: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; overflow: hidden; }
.lightbox[open] { display: flex; align-items: center; justify-content: center; }
.lightbox::backdrop { background: rgba(5, 7, 10, 0.88); backdrop-filter: blur(4px); }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 10px; border: 1px solid var(--line); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6); }
.lb-btn { position: fixed; background: rgba(22, 27, 34, 0.85); color: var(--text); border: 1px solid var(--line); border-radius: 50%; width: 44px; height: 44px; font-size: 26px; line-height: 1; cursor: pointer; display: grid; place-items: center; }
.lb-btn:hover { border-color: var(--accent); color: var(--accent); }
.lb-close { top: 18px; right: 18px; }
.lb-prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 18px; top: 50%; transform: translateY(-50%); }
.lightbox.single .lb-prev, .lightbox.single .lb-next { display: none; }
.lb-count { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }

/* selo de status (ex.: em andamento) */
.status { display: inline-flex; align-items: center; gap: 6px; margin-left: 8px; font-family: var(--mono); font-size: 0.7rem; font-weight: 500; color: var(--accent); border: 1px solid #2c4a3c; background: #12221b; border-radius: 999px; padding: 1px 9px 1px 8px; vertical-align: middle; }
.status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.3; } }
@media (prefers-reduced-motion: reduce) { .status::before { animation: none; } }

/* stack agrupada */
.stack-group { display: grid; grid-template-columns: 150px 1fr; gap: 8px; padding: 8px 0; border-top: 1px solid var(--line); align-items: start; }
.stack-group:first-of-type { border-top: 0; padding-top: 0; }
.stack-group .tags { margin-top: 0; }
.stack-label { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); padding-top: 2px; }
@media (max-width: 520px) { .stack-group { grid-template-columns: 1fr; gap: 4px; } }