/* Portal Rodovias Guia — leituras das estradas de São Paulo
   Paleta "Serra do Mar Paulista" · Domine + Libre Franklin · prefixo spg- */

:root{
  --spg-cream:#F2F5F0;    /* neblina de serra (fundo) */
  --spg-paper:#FBFCFA;    /* cartões */
  --spg-ink:#1D4D3E;      /* verde mata atlântica (títulos + faixas escuras) */
  --spg-tinta:#233028;    /* corpo de texto */
  --spg-muted:#55635C;    /* secundário */
  --spg-teal:#2F7D5A;     /* verde serra (links) */
  --spg-clay:#D9682E;     /* laranja cerâmica litoral (acento) */
  --spg-deep:#1A2B30;     /* asfalto metrópole (tarja/faixa) */
  --spg-line:#E0E6DE;
  --spg-clay-tenue:#FBE7DA;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Libre Franklin',system-ui,sans-serif;
  font-size:18px;line-height:1.63;color:var(--spg-tinta);
  background:var(--spg-cream);-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Domine',Georgia,serif;font-weight:600;line-height:1.2;color:var(--spg-ink)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.spg-larg{max-width:1120px;margin:0 auto;padding:0 24px}
.spg-larg-fina{max-width:760px;margin:0 auto;padding:0 24px}
.spg-kick{font-size:12.5px;letter-spacing:.17em;text-transform:uppercase;font-weight:600;color:var(--spg-clay)}

/* Tarja */
.spg-tarja{background:var(--spg-deep);color:#d5ddd8}
.spg-tarja .spg-larg{display:flex;gap:10px;align-items:flex-start;padding:9px 24px}
.spg-tarja svg{flex:0 0 auto;width:16px;height:16px;stroke:#e69a6f;margin-top:2px}
.spg-tarja span{font-size:12.7px;line-height:1.5;color:#c9d3ce}

/* Header */
.spg-bar{position:sticky;top:0;z-index:30;background:rgba(251,252,250,.94);backdrop-filter:blur(8px);border-bottom:2px solid var(--spg-line)}
.spg-bar .spg-larg{display:flex;align-items:center;gap:18px;min-height:64px}
.spg-marca{display:flex;align-items:center;gap:11px;font-family:'Domine',serif;font-weight:600;font-size:21px}
.spg-marca svg{width:36px;height:36px}
.spg-marca b{color:var(--spg-clay);font-weight:700}
.spg-nav{margin-left:auto}
.spg-nav ul{display:flex;gap:22px;list-style:none}
.spg-nav a{font-size:15px;font-weight:500;color:var(--spg-muted)}
.spg-nav a:hover{color:var(--spg-clay)}
.spg-check,.spg-menu{display:none}

/* Capa */
.spg-capa{position:relative;overflow:hidden;color:#fff}
.spg-capa>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.spg-capa::after{content:"";position:absolute;inset:0;background:linear-gradient(163deg,rgba(20,40,32,.42),rgba(15,28,22,.85))}
.spg-capa .spg-larg{position:relative;z-index:2;padding:96px 24px 104px}
.spg-capa h1{font-size:clamp(2.2rem,5.4vw,3.6rem);color:#fff;max-width:17ch;margin-top:18px}
.spg-capa .spg-kick{color:#eaa17a}
.spg-capa p{margin-top:18px;max-width:56ch;font-size:1.16rem;color:#eef2ee;line-height:1.55}
.spg-acoes{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.spg-cta{background:var(--spg-clay);color:#fff;font-weight:600;padding:13px 24px;border-radius:6px;font-size:15.5px}
.spg-cta:hover{background:#c65a24}
.spg-cta-out{border:1.5px solid rgba(255,255,255,.6);color:#fff;font-weight:600;padding:12px 22px;border-radius:6px;font-size:15.5px}
.spg-cta-out:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.spg-cred{position:absolute;right:10px;bottom:8px;z-index:3;font-size:11px;color:rgba(255,255,255,.6)}

/* Seções */
.spg-secao{padding:66px 0}
.spg-secao h2{font-size:clamp(1.7rem,3.5vw,2.25rem)}
.spg-intro{max-width:64ch;color:var(--spg-muted);margin-top:14px;font-size:1.05rem}

/* Frentes */
.spg-frentes{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:38px}
.spg-frente{background:var(--spg-paper);border:1px solid var(--spg-line);border-radius:9px;padding:30px;transition:transform .18s,box-shadow .18s}
.spg-frente:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(29,77,62,.09)}
.spg-num{font-family:'Domine',serif;font-size:2.5rem;font-weight:700;color:var(--spg-clay);line-height:1}
.spg-frente h3{font-size:1.3rem;margin:12px 0 9px}
.spg-frente p{color:var(--spg-muted);font-size:1.01rem}
.spg-segue{display:inline-block;margin-top:15px;color:var(--spg-teal);font-weight:600;font-size:.96rem}
.spg-segue:hover{color:var(--spg-clay)}

/* Método */
.spg-metodo{background:var(--spg-ink);color:#e5ede8}
.spg-metodo h2{color:#fff}
.spg-metodo .spg-kick{color:#eaa17a}
.spg-valores{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-top:36px}
.spg-valor{background:rgba(255,255,255,.05);border-left:3px solid var(--spg-clay);border-radius:0 7px 7px 0;padding:22px 24px}
.spg-valor h4{color:#fff;font-size:1.12rem;margin-bottom:7px;font-family:'Domine',serif}
.spg-valor p{color:#c5d2cb;font-size:.98rem}

/* Quem mantém */
.spg-quem{display:grid;grid-template-columns:1.4fr 1fr;gap:38px;align-items:start;margin-top:30px}
.spg-quem p{margin-bottom:14px}
.spg-quem p.spg-lead{font-size:1.16rem}
.spg-ficha{background:var(--spg-paper);border:1px solid var(--spg-line);border-radius:9px;padding:26px;box-shadow:0 6px 18px rgba(29,77,62,.05)}
.spg-ficha h3{font-size:1.12rem;margin-bottom:16px}
.spg-ficha dl{display:grid;grid-template-columns:auto 1fr;gap:9px 14px;font-size:.95rem}
.spg-ficha dt{font-weight:600;color:var(--spg-muted)}

/* FAQ */
.spg-qa{background:var(--spg-paper);border:1px solid var(--spg-line);border-radius:9px;margin-top:13px;overflow:hidden}
.spg-qa summary{list-style:none;cursor:pointer;padding:18px 22px;font-family:'Domine',serif;font-weight:600;font-size:1.05rem;display:flex;justify-content:space-between;gap:14px;align-items:center;color:var(--spg-ink)}
.spg-qa summary::-webkit-details-marker{display:none}
.spg-qa summary::after{content:"›";color:var(--spg-clay);font-size:1.5rem;transition:transform .2s;line-height:1}
.spg-qa[open] summary::after{transform:rotate(90deg)}
.spg-qa p{padding:0 22px 20px;color:var(--spg-muted);font-size:1rem}

/* Leituras */
.spg-leituras{background:#e9efe8}
.spg-leituras-grade{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px;margin-top:36px}
.spg-card{background:var(--spg-paper);border:1px solid var(--spg-line);border-radius:10px;overflow:hidden;transition:transform .18s,box-shadow .18s}
.spg-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(29,77,62,.1)}
.spg-vinheta{display:block;height:185px;overflow:hidden}
.spg-vinheta img{width:100%;height:100%;object-fit:cover}
.spg-card-corpo{padding:22px 24px}
.spg-tag{font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--spg-clay);font-weight:600}
.spg-card h3{font-size:1.22rem;margin:9px 0 8px;line-height:1.26}
.spg-card p{color:var(--spg-muted);font-size:.98rem}

/* Contato */
.spg-contato{display:grid;grid-template-columns:1.2fr 1fr;gap:34px;margin-top:30px;align-items:start}
.spg-painel{background:var(--spg-paper);border:1px solid var(--spg-line);border-radius:9px;padding:26px}
.spg-painel dl{display:grid;grid-template-columns:120px 1fr;gap:11px 14px;font-size:.97rem}
.spg-painel dt{font-weight:600;color:var(--spg-muted)}
.spg-nota{background:var(--spg-clay-tenue);border-left:4px solid var(--spg-clay);padding:16px 20px;border-radius:0 6px 6px 0;color:#7a3616;font-size:.98rem}

/* Rodapé */
.spg-rodape{background:var(--spg-ink);color:#c3d1ca;padding:54px 0 26px}
.spg-rodape-grade{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:30px}
.spg-logo-rodape{font-family:'Domine',serif;font-size:21px;color:#fff;font-weight:600}
.spg-rodape p{font-size:.95rem;color:#aebeb6;margin-top:12px;max-width:44ch}
.spg-rodape h4{color:#fff;font-size:15px;margin-bottom:12px;font-family:'Domine',serif}
.spg-rodape ul{list-style:none}
.spg-rodape li{margin-bottom:8px}
.spg-rodape a{color:#bccabf;font-size:.95rem}
.spg-rodape a:hover{color:#eaa17a}
.spg-mini{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:13px;color:#98a89f;max-width:none}
.spg-mini a{color:#bccabf}

/* Matéria */
.spg-page-head{background:#e9efe8;border-bottom:1px solid var(--spg-line);padding:46px 0 40px}
.spg-trail{font-size:13.5px;color:var(--spg-muted);margin-bottom:16px}
.spg-trail a:hover{color:var(--spg-clay)}
.spg-page-head .spg-tag{display:block;margin-bottom:10px}
.spg-page-head h1{font-size:clamp(1.9rem,4vw,2.9rem);max-width:22ch}
.spg-sub{margin-top:14px;font-size:1.18rem;color:var(--spg-muted);max-width:62ch}
.spg-materia-foto{margin:0}
.spg-materia-foto img{width:100%;aspect-ratio:16/9;object-fit:cover}
.spg-materia-foto figcaption{max-width:760px;margin:8px auto 0;padding:0 24px;font-size:12.5px;color:var(--spg-muted);font-style:italic}
.spg-prosa{padding:44px 0 8px}
.spg-prosa h2{font-size:1.55rem;margin:36px 0 12px}
.spg-prosa p{margin-bottom:16px;color:#2b3a32;font-size:1.06rem}
.spg-fecho{background:var(--spg-clay-tenue);border-left:4px solid var(--spg-clay);padding:18px 22px;border-radius:0 6px 6px 0;color:#7a3616;font-size:1rem;margin-top:30px}

@media (max-width:860px){
  .spg-quem,.spg-contato{grid-template-columns:1fr}
  .spg-rodape-grade{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  body{font-size:17px}
  .spg-nav{position:fixed;inset:64px 0 auto 0;background:var(--spg-paper);border-bottom:1px solid var(--spg-line);margin:0;max-height:0;overflow:hidden;transition:max-height .25s}
  .spg-nav ul{flex-direction:column;gap:0;padding:6px 24px}
  .spg-nav li{padding:11px 0;border-bottom:1px solid var(--spg-line)}
  .spg-check:checked ~ .spg-nav{max-height:360px}
  .spg-menu{display:block;margin-left:auto;font-weight:600;font-size:15px;color:var(--spg-clay);cursor:pointer;border:1px solid var(--spg-line);border-radius:7px;padding:7px 13px}
  .spg-rodape-grade{grid-template-columns:1fr}
}