/* ============ Kitadi — estilos partilhados do blog ============ */
:root {
  --ground: #F6F8F4;
  --surface: #FFFFFF;
  --surface-2: #EEF2EB;
  --ink: #0E1A14;
  --muted: #55625A;
  --faint: #8A968E;
  --green: #047857;
  --green-deep: #06553E;
  --green-2: #059669;
  --green-soft: #E4F0EA;
  --gold: #C88A1E;
  --line: #E2E8DE;
  --shadow: 0 1px 2px rgba(14,26,20,.04), 0 12px 32px -12px rgba(14,26,20,.14);
  --radius: 16px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0A1310; --surface: #101A15; --surface-2: #16221B;
    --ink: #E9EFEA; --muted: #93A199; --faint: #63716A;
    --green: #34D399; --green-deep: #1E7A5B; --green-2: #2FD69B; --green-soft: #12241B;
    --gold: #E7B44A; --line: #223029;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 14px 34px -14px rgba(0,0,0,.6);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans); background: var(--ground); color: var(--ink);
  line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.prose-wrap { max-width: 720px; }

/* Cabeçalho */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--ground) 86%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 750; font-size: 1.15rem; letter-spacing: -.02em; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px; flex: none;
  background: linear-gradient(140deg, var(--green-2), var(--green-deep));
  display: grid; place-items: center;
}
.header-nav { display: flex; align-items: center; gap: 24px; }
.header-nav a { font-size: .92rem; color: var(--muted); font-weight: 550; }
.header-nav a:hover { color: var(--ink); }
@media (max-width: 620px) { .header-nav a.nav-hide { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px; font-family: inherit;
  font-size: .93rem; font-weight: 650; padding: 11px 20px; border-radius: 11px;
  border: 1px solid transparent; cursor: pointer; transition: background .15s ease, transform .15s ease;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-deep); transform: translateY(-1px); }
.btn svg { width: 17px; height: 17px; }

/* Listagem do blog */
.blog-hero { padding: 64px 0 20px; }
.blog-hero .eyebrow { font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--green); margin-bottom: 14px; }
.blog-hero h1 { font-size: clamp(2rem, 4.5vw, 2.9rem); font-weight: 800; letter-spacing: -.025em; }
.blog-hero p { color: var(--muted); font-size: 1.08rem; margin-top: 14px; max-width: 56ch; }

.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding: 32px 0 80px; }
@media (max-width: 900px) { .posts { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .posts { grid-template-columns: 1fr; } }
.post-card {
  display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
  transition: border-color .18s ease, transform .18s ease;
}
.post-card:hover { border-color: color-mix(in srgb, var(--green) 40%, var(--line)); transform: translateY(-2px); }
.post-card .tag { font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--green); margin-bottom: 12px; }
.post-card h2 { font-size: 1.24rem; font-weight: 720; letter-spacing: -.02em; line-height: 1.25; }
.post-card p { color: var(--muted); font-size: .93rem; margin-top: 10px; flex: 1; }
.post-card .meta { margin-top: 16px; font-size: .82rem; color: var(--faint); font-weight: 600; }

/* Artigo */
.article { padding: 48px 0 72px; }
.article .back { display: inline-flex; align-items: center; gap: 7px; font-size: .88rem; color: var(--muted); font-weight: 600; margin-bottom: 26px; }
.article .back:hover { color: var(--green); }
.article .tag { font-size: .74rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--green); }
.article h1 { font-size: clamp(1.9rem, 4.2vw, 2.7rem); font-weight: 800; letter-spacing: -.025em; margin: 12px 0 14px; line-height: 1.12; }
.article .meta { color: var(--faint); font-size: .88rem; font-weight: 600; margin-bottom: 34px; }
.prose { font-size: 1.06rem; color: var(--ink); }
.prose p { margin: 0 0 20px; color: #34433b; }
@media (prefers-color-scheme: dark) { .prose p { color: #C4D0C8; } }
.prose h2 { font-size: 1.5rem; font-weight: 760; letter-spacing: -.02em; margin: 40px 0 14px; }
.prose h3 { font-size: 1.18rem; font-weight: 700; margin: 28px 0 10px; }
.prose ul, .prose ol { margin: 0 0 20px; padding-left: 24px; }
.prose li { margin-bottom: 9px; color: #34433b; }
@media (prefers-color-scheme: dark) { .prose li { color: #C4D0C8; } }
.prose strong { color: var(--ink); font-weight: 700; }
.prose a { color: var(--green); font-weight: 600; text-decoration: underline; }
.prose .callout {
  background: var(--green-soft); border: 1px solid color-mix(in srgb, var(--green) 22%, var(--line));
  border-radius: 14px; padding: 18px 20px; margin: 26px 0; font-size: .98rem;
}
.prose .callout strong { color: var(--green-deep); }

/* Caixa CTA no fim do artigo */
.cta-box {
  margin: 44px 0 0; background: linear-gradient(150deg, var(--green-2), var(--green-deep));
  color: #fff; border-radius: 20px; padding: 32px; text-align: center;
}
.cta-box h3 { font-size: 1.4rem; font-weight: 780; color: #fff; }
.cta-box p { color: #CDE6DA; margin: 10px auto 0; max-width: 44ch; }
.cta-box .btn { margin-top: 20px; background: #fff; color: var(--green-deep); }
.cta-box .btn:hover { background: #EAF4EF; }

/* Rodapé */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; }
.site-footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; font-size: .86rem; color: var(--muted); }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--green); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }