/* ============================================================
   MONÃ 358 — Estilo compartilhado
   Paleta extraída da identidade da SM Construções
   ============================================================ */
:root{
  --indigo:#383A8A;      /* azul-violeta institucional SM */
  --indigo-claro:#5F62BE;
  --uva:#3B0F62;         /* roxo escuro SM */
  --tinta:#14142A;       /* fundo escuro */
  --tinta-2:#1E1E3A;
  --sol:#C98A4B;         /* acento pôr do sol (conceito Monã) */
  --areia:#F6F4F1;
  --branco:#FFFFFF;
  --cinza:#505050;
  --cinza-claro:#8C8C9B;
  --linha:rgba(255,255,255,.14);
  --linha-clara:rgba(20,20,42,.12);

  --verde:#2E9E6B;
  --ambar:#D69B2E;
  --vermelho:#E0566C;   /* vendido */
  --morto:#7A7A88;

  --serif:'Rajdhani',system-ui,sans-serif;
  --texto:'Inter',system-ui,-apple-system,sans-serif;
  --max:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--texto);
  color:var(--tinta);
  background:var(--areia);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* --- Tipografia --- */
h1,h2,h3,.display{font-family:var(--serif);font-weight:600;line-height:1.1;letter-spacing:.01em}
.eyebrow{
  font-family:var(--serif);font-weight:600;font-size:.82rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--sol);
}
.lead{font-size:1.08rem;color:#3A3A48}

/* --- Barra de navegação --- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px 24px;
  transition:background .3s, box-shadow .3s, padding .3s;
}
.nav.solida{background:rgba(20,20,42,.94);backdrop-filter:blur(10px);padding:10px 24px;
  box-shadow:0 1px 0 var(--linha)}
.nav .marca{display:flex;align-items:center;gap:14px}
.nav .marca img{height:34px;width:auto;filter:brightness(0) invert(1)}
.nav .marca span{
  font-family:var(--serif);font-weight:700;letter-spacing:.28em;
  font-size:.95rem;color:#fff;text-transform:uppercase;
}
.nav-acoes{display:flex;align-items:center;gap:10px}

/* --- Botões --- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--serif);font-weight:600;font-size:.95rem;
  letter-spacing:.12em;text-transform:uppercase;
  padding:12px 24px;border:1px solid transparent;border-radius:2px;
  cursor:pointer;transition:.22s;white-space:nowrap;
}
.btn-primario{background:var(--indigo);color:#fff}
.btn-primario:hover{background:var(--uva)}
.btn-vazado{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-vazado:hover{background:#fff;color:var(--tinta);border-color:#fff}
.btn-escuro{border-color:var(--linha-clara);color:var(--tinta);background:transparent}
.btn-escuro:hover{background:var(--tinta);color:#fff;border-color:var(--tinta)}
.btn-zap{background:#25D366;color:#0B2E17}
.btn-zap:hover{background:#1EB955}
.btn:disabled{opacity:.45;cursor:not-allowed}

/* --- Rodapé --- */
.rodape{background:var(--tinta);color:#C9C9D6;padding:56px 0 28px;font-size:.9rem}
.rodape a:hover{color:#fff}
.rodape-grade{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;align-items:start}
.rodape img.logo{height:40px;width:auto;filter:brightness(0) invert(1);margin-bottom:14px}
.rodape h4{font-family:var(--serif);color:#fff;font-size:1rem;letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:12px}
.rodape p{margin-bottom:6px}
.rodape .fine{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--linha);
  font-size:.78rem;color:#7C7C90;
}

/* --- Botão flutuante WhatsApp --- */
.zap-flut{
  position:fixed;right:20px;bottom:20px;z-index:60;
  width:56px;height:56px;border-radius:50%;background:#25D366;
  display:grid;place-items:center;box-shadow:0 8px 26px rgba(0,0,0,.28);
  transition:transform .2s;
}
.zap-flut:hover{transform:scale(1.07)}
.zap-flut svg{width:29px;height:29px;fill:#fff}

/* --- Animação de entrada --- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.rv.v{opacity:1;transform:none}

@media(max-width:820px){
  .rodape-grade{grid-template-columns:1fr;gap:26px}
  .nav .marca span{display:none}
}