/* parede.net — folha única. Sem webfonts (performance). */
:root{
  --bg:#FAF9F6;
  --ink:#22252B;
  --muted:#5B6068;
  --line:#E7E4DC;
  --accent:#2E5EAA;      /* azul azulejo */
  --accent-dark:#1F4380;
  --chip:#2E5EAA;        /* cor da seção; sobrescrita por página */
  --maxw:72rem;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:400 1.0625rem/1.65 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
a{color:var(--accent-dark);text-underline-offset:.2em}
a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:99}
.skip:focus{left:.5rem;top:.5rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}

/* Faixa de amostras — assinatura visual do site (leque de tintas) */
.swatches{display:flex;height:.5rem}
.swatches span{flex:1}

/* Header */
header.site{background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:1.5rem;padding:.9rem 0;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.logo b{color:var(--accent)}
nav.main{margin-left:auto}
nav.main ul{display:flex;gap:.25rem 1.1rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav.main a{text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;padding:.25rem 0;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current]{border-bottom-color:var(--chip);color:var(--ink)}
nav.main details{position:relative}
nav.main summary{cursor:pointer;font-weight:600;font-size:.95rem;list-style:none;padding:.25rem 0}
nav.main summary::-webkit-details-marker{display:none}
nav.main summary::after{content:" ▾";font-size:.8em;color:var(--muted)}
nav.main details ul{position:absolute;right:0;top:2.1rem;background:#fff;border:1px solid var(--line);border-radius:.5rem;box-shadow:0 8px 24px rgba(20,24,32,.10);padding:.5rem .9rem;min-width:13rem;display:block;z-index:10}
nav.main details ul li{padding:.25rem 0}

/* Migalhas */
.crumbs{font-size:.85rem;color:var(--muted);padding:1rem 0 0}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem}
.crumbs li+li::before{content:"›";margin-right:.35rem;color:var(--line)}
.crumbs a{color:var(--muted)}

/* Hero / cabeçalho de página */
.hero{padding:2.75rem 0 2.25rem;border-bottom:1px solid var(--line)}
.hero .chip{display:inline-flex;align-items:center;gap:.5rem;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.hero .chip i{width:1.1rem;height:1.1rem;border-radius:.2rem;background:var(--chip);display:inline-block}
h1{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.12;letter-spacing:-.025em;font-weight:800;margin:.5rem 0 .9rem;max-width:46rem}
.hero p{max-width:44rem;margin:.5rem 0;color:var(--ink)}
.hero p+p{color:var(--muted)}

/* Cartões-amostra (home) */
.grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fill,minmax(15.5rem,1fr));padding:2rem 0}
.card{background:#fff;border:1px solid var(--line);border-radius:.6rem;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(20,24,32,.08)}
.card .band{height:2.9rem;background:var(--chip);position:relative}
/* Pílula escura: garante AA do rótulo sobre qualquer cor de seção (mín. 9:1) */
.card .band em{position:absolute;right:.6rem;bottom:.4rem;font:700 .7rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:#fff;background:rgba(16,18,22,.72);padding:.16rem .4rem;border-radius:.25rem;font-style:normal;letter-spacing:.06em}
.card .body{padding:1rem 1.1rem 1.2rem;display:flex;flex-direction:column;gap:.4rem;flex:1}
.card h2,.card h3{margin:0;font-size:1.12rem;letter-spacing:-.01em}
.card a{text-decoration:none;color:var(--ink)}
.card a:hover{color:var(--accent-dark)}
.card p{margin:0;font-size:.92rem;color:var(--muted)}
/* Cor da seção escurecida: mantém a identidade e passa em AA nas 12 cores
   (pior caso 5,08:1 sobre o card branco). Fallback para --ink sem color-mix. */
.card .n{margin-top:auto;font-size:.78rem;font-weight:700;color:var(--ink);color:color-mix(in srgb,var(--chip) 75%,#101216);letter-spacing:.05em;text-transform:uppercase}

/* Listas de links (hubs) */
.hub{padding:1.5rem 0 3rem}
.hub section{margin-top:2.25rem}
.hub h2{font-size:1.35rem;letter-spacing:-.015em;margin:0 0 .25rem;padding-left:.85rem;border-left:.35rem solid var(--chip)}
.hub ul{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.9rem 2rem;grid-template-columns:repeat(auto-fill,minmax(19rem,1fr))}
.hub li{border-bottom:1px solid var(--line);padding-bottom:.9rem}
.hub li a{font-weight:700;text-decoration:none;font-size:1.02rem}
.hub li p{margin:.2rem 0 0;font-size:.9rem;color:var(--muted)}

/* Destaques (home) */
.top{padding:0 0 2.5rem}
.top h2{font-size:1.35rem;letter-spacing:-.015em;border-left:.35rem solid var(--accent);padding-left:.85rem}
.top ol{columns:2;column-gap:3rem;margin:1rem 0 0;padding-left:1.2rem}
.top li{margin:.35rem 0;break-inside:avoid}
.top a{text-decoration:none;font-weight:600}

/* Conteúdo corrido (institucionais e artigos) */
.prose{max-width:44rem;padding:2rem 0 3rem}
.prose p{margin:1rem 0}
.prose h2{font-size:1.5rem;line-height:1.2;letter-spacing:-.02em;margin:2.4rem 0 .8rem;padding-left:.8rem;border-left:.3rem solid var(--chip)}
.prose h3{font-size:1.14rem;line-height:1.3;margin:1.8rem 0 .5rem}
.prose ul,.prose ol{margin:1rem 0;padding-left:1.4rem}
.prose li{margin:.45rem 0}
.prose li>p{margin:.3rem 0}
.prose ol{counter-reset:none}
.prose strong{font-weight:700}
.prose h2+p,.prose h3+p{margin-top:.4rem}
.prose>p:first-child{font-size:1.09rem}

/* Tabelas comparativas */
.tbl{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--line);border-radius:.6rem;background:#fff}
.prose table{width:100%;border-collapse:collapse;font-size:.95rem}
.prose th,.prose td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.prose thead th{background:#F2F0EA;font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);white-space:nowrap}
.prose tbody tr:last-child td{border-bottom:0}
.prose caption{caption-side:bottom;padding:.6rem .8rem;font-size:.85rem;color:var(--muted);text-align:left}

/* Aviso de segurança / nota destacada */
.prose .aviso{background:#FFF6E8;border:1px solid #E8D6B0;border-left:.3rem solid #B08828;border-radius:.5rem;padding:.9rem 1.1rem;margin:1.8rem 0;font-size:.97rem}
.prose .aviso p{margin:.3rem 0}

/* Leia também (silo de linkagem) */
.related{padding:0 1.25rem 3rem;max-width:var(--maxw);margin:0 auto}
.related>div{max-width:44rem;border-top:1px solid var(--line);padding-top:1.5rem}
.related h2{font-size:1.1rem;letter-spacing:-.01em;margin:0 0 .7rem}
.related ul{list-style:none;margin:0;padding:0;display:grid;gap:.4rem 1.5rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.related a{text-decoration:none;font-weight:600;font-size:.95rem}
.related a:hover{text-decoration:underline}

/* Mapa */
#mapa{height:26rem;border:1px solid var(--line);border-radius:.6rem;background:#EFEDE7 url() center/cover;margin:1.5rem 0;display:grid;place-items:center;color:var(--muted)}
#mapa[data-ready]{display:block}

/* Rodapé */
footer.site{background:#22252B;color:#C9CCD2;margin-top:2rem}
footer.site .cols{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));padding:2.5rem 0}
footer.site h2{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:#fff;margin:0 0 .6rem}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin:.3rem 0}
footer.site a{color:#C9CCD2;text-decoration:none}
footer.site a:hover{color:#fff;text-decoration:underline}
footer.site .fine{border-top:1px solid #3A3E46;padding:1.25rem 0;font-size:.85rem;color:#9AA0A8;display:flex;flex-wrap:wrap;gap:.5rem 2rem;justify-content:space-between}

@media (max-width:640px){
  nav.main{margin-left:0;width:100%}
  .top ol{columns:1}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
}