/* Estilos comuns do site Lousa Viva (docs/MARCA.md). */
:root {
  --laranja: #F97316; --laranja-claro: #FDBA74; --verde: #22C55E;
  --g950: #0F1115; --g900: #16181D; --g800: #1F2228; --g700: #2A2D35;
  --giz: #FAFAF9; --giz-suave: #A1A1AA; --giz-apagado: #8B8B94;
  --font-titulo: 'Quicksand', sans-serif; --font-texto: 'DM Sans', sans-serif; --font-mono: 'DM Mono', monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--g900); color: var(--giz); font: 400 17px/1.6 var(--font-texto); }
img { max-width: 100%; display: block; }
a { color: var(--laranja-claro); }
h1, h2, h3 { font-family: var(--font-titulo); font-weight: 700; line-height: 1.15; margin: 0; }
.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }

.top { position: sticky; top: 0; z-index: 10; background: rgba(22, 24, 29, 0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--g700); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.logo { flex-shrink: 0; }
.logo img { height: 34px; width: auto; }
.top .btn { white-space: nowrap; gap: 0; }
.top .longo { margin-left: .3em; }
@media (max-width: 374px) { .top .longo { display: none; } }
.top nav { display: flex; gap: 24px; }
.top nav a { color: var(--giz-suave); text-decoration: none; font-weight: 500; font-size: 15px; }
.top nav a:hover { color: var(--giz); }
@media (max-width: 760px) { .top nav { display: none; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
  padding: 12px 22px; border-radius: 12px; font: 700 16px/1.2 var(--font-texto); text-decoration: none; }
.btn-primary { background: var(--laranja); color: var(--g900); }
.btn-primary:hover { background: var(--laranja-claro); }
.btn-ghost { border: 1px solid var(--g700); color: var(--giz); }
.btn-ghost:hover { border-color: var(--giz-suave); }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: 14px; }
.btn:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--laranja-claro); outline-offset: 3px; }

.doc { max-width: 760px; padding-block: 48px 72px; }
.doc h1 { font-size: clamp(30px, 5vw, 40px); margin-bottom: 16px; }
.doc h2 { font-size: 21px; margin: 32px 0 8px; }
.doc p, .doc li { color: #D4D4D8; }
.doc ol, .doc ul { padding-left: 22px; }
.aviso { background: var(--g800); border: 1px solid var(--g700); border-radius: 12px; padding: 12px 16px;
  color: var(--giz-suave); font-size: 15px; }

.rodape { border-top: 1px solid var(--g700); padding-block: 28px; color: var(--giz-apagado); font-size: 14px; }
.rodape .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.rodape nav { display: flex; flex-wrap: wrap; gap: 18px; }
.rodape a { color: var(--giz-suave); }