/* styles.css - Blog simples e rápido, sem frameworks externos */
:root {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #475569;
  --brand: #0ea5e9;
  --brand-dark: #0284c7;
  --surface: #f1f5f9;
  --border: #e2e8f0;
  --radius: 14px;
  --maxw: 1080px;
  --shadow: 0 6px 24px rgba(2, 8, 23, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

header.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.8); backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; padding: 14px 0; }
.brand .logo {
  width: 32px; height: 32px; display: inline-block;
  background: radial-gradient(120% 160% at 30% 20%, var(--brand), var(--brand-dark));
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(14,165,233,0.35) inset;
}
.brand .title { font-weight: 700; letter-spacing: 0.2px; }

nav.main-nav { display: flex; gap: 14px; align-items: center; }
nav.main-nav a {
  text-decoration: none; color: var(--muted); padding: 8px 10px; border-radius: 8px;
}
nav.main-nav a:hover, nav.main-nav a.active { background: var(--surface); color: var(--fg); }

.topbar { display: flex; align-items: center; justify-content: space-between; }
.menu-toggle { display: none; }

.hero {
  padding: 42px 0 12px;
}
.hero .lead {
  font-size: 20px; color: var(--muted); max-width: 64ch;
}
.hero h1 { font-size: 34px; line-height: 1.2; margin: 10px 0 6px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  padding: 16px 16px 22px;
  transition: transform .15s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(2,8,23,0.08); }
.card h3 { margin: 8px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }

.post-list { margin: 8px 0 28px; }
.post-meta { font-size: 13px; color: var(--muted); }

footer.site-footer {
  margin-top: 40px; padding: 26px 0;
  border-top: 1px solid var(--border);
  background: #fff;
}

a.btn {
  display: inline-block; text-decoration: none;
  background: var(--brand); color: #fff; padding: 10px 14px; border-radius: 12px; font-weight: 600;
}
a.btn:hover { background: var(--brand-dark); }

/* Páginas e artigos */
.main { padding: 18px 0 32px; }
.article { max-width: 820px; }
.article h1 { font-size: 30px; margin: 0 0 6px; }
.article h2 { margin-top: 26px; }
.article img { max-width: 100%; border-radius: 12px; }
.article pre, .article code { background: var(--surface); border-radius: 8px; padding: 2px 6px; }
.article pre { padding: 12px; overflow: auto; }
.article blockquote {
  margin: 0; padding: 12px 16px; border-left: 4px solid var(--brand); background: var(--surface);
  border-radius: 0 10px 10px 0; color: #0b1220;
}
.kbd { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--surface); padding: 2px 6px; border-radius: 6px; border: 1px solid var(--border); }

/* Tabelas simples */
table { border-collapse: collapse; width: 100%; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
th { background: var(--surface); }

/* Cookie banner */
.cookie-banner {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: #0b1220; color: #fff; max-width: 860px; width: calc(100% - 24px);
  border-radius: 14px; padding: 14px 14px; box-shadow: 0 16px 44px rgba(0,0,0,0.25);
  display: none; gap: 12px; align-items: center; justify-content: space-between;
}
.cookie-banner p { margin: 0; font-size: 14px; opacity: 0.95; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-actions button {
  border: 0; border-radius: 10px; padding: 8px 12px; cursor: pointer; font-weight: 600;
}
.btn-accept { background: var(--brand); color: #fff; }
.btn-accept:hover { background: var(--brand-dark); }
.btn-more { background: #1f2937; color: #fff; }

/* Responsivo */
@media (max-width: 960px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .topbar { flex-wrap: wrap; gap: 8px; }
  .menu-toggle { display: inline-block; }
  nav.main-nav { width: 100%; display: none; flex-wrap: wrap; gap: 6px; padding-bottom: 12px; }
  nav.main-nav.open { display: flex; }
  .hero h1 { font-size: 26px; }
  .grid { grid-template-columns: 1fr; }
}