/* PLURA — site institucional
   Mesma paleta do PLURA Brigada, de propósito: quem vê o sistema e depois o site
   reconhece a mesma empresa. Sem biblioteca externa, como o resto do projeto. */

:root{
  --bg:#ffffff;
  --bg-2:#f5f7fa;
  --bg-3:#eef2f6;
  --border:#dde3e9;
  --text:#16212e;
  --text-2:#4a5a6b;
  --text-3:#7c8a99;

  --navy:#123a63;
  --navy-dark:#0c2843;
  --navy-soft:#e9f0f7;
  --red:#c0271f;
  --red-dark:#8f1c16;

  --r:12px;
  --shadow:0 1px 2px rgba(16,32,48,.04), 0 4px 16px rgba(16,32,48,.06);
  --shadow-lg:0 2px 4px rgba(16,32,48,.05), 0 12px 32px rgba(16,32,48,.10);
  --font:-apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max:1080px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--font); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%}
a{color:var(--navy)}

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

/* ---------- topo ---------- */
.topo{
  position:sticky; top:0; z-index:20;
  background:rgba(255,255,255,.92); backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
}
.topo .wrap{display:flex; align-items:center; gap:24px; height:68px}
.marca{display:flex; align-items:center; gap:10px; text-decoration:none; flex:none}
.marca svg{width:30px; height:30px; display:block}
.marca b{font-size:20px; letter-spacing:1.5px; color:var(--navy); font-weight:800}
.nav{margin-left:auto; display:flex; gap:4px; align-items:center}
.nav a{
  color:var(--text-2); text-decoration:none; font-size:15px; font-weight:500;
  padding:8px 14px; border-radius:8px; white-space:nowrap;
}
.nav a:hover{background:var(--bg-3); color:var(--text)}
.nav a.ativo{color:var(--navy); font-weight:700}
.nav a.cta{background:var(--navy); color:#fff; font-weight:600}
.nav a.cta:hover{background:var(--navy-dark); color:#fff}
.menu-btn{display:none; margin-left:auto; background:none; border:1px solid var(--border);
  border-radius:8px; padding:8px 12px; font-size:15px; color:var(--text); cursor:pointer}

@media (max-width:760px){
  .menu-btn{display:block}
  .nav{
    display:none; position:absolute; top:68px; left:0; right:0;
    background:#fff; border-bottom:1px solid var(--border);
    flex-direction:column; align-items:stretch; gap:0; padding:8px 16px 16px;
    box-shadow:var(--shadow);
  }
  .nav.aberto{display:flex}
  .nav a{padding:12px 8px; border-radius:8px}
  .nav a.cta{text-align:center; margin-top:8px}
}

/* ---------- hero ---------- */
.hero{
  background:linear-gradient(180deg,var(--navy-dark),var(--navy));
  color:#fff; padding:88px 0 96px;
}
.hero h1{
  margin:0 0 20px; font-size:clamp(30px,5vw,46px); line-height:1.15;
  font-weight:800; letter-spacing:-.5px; max-width:18ch;
}
.hero p{margin:0; font-size:clamp(16px,2.2vw,19px); color:#c3d4e6; max-width:56ch}
.hero .fina{color:#8fb0d0; font-size:13px; letter-spacing:2.5px; text-transform:uppercase;
  margin:0 0 18px; font-weight:600}

.hero-int{background:var(--bg-2); color:var(--text); padding:64px 0 56px;
  border-bottom:1px solid var(--border)}
.hero-int h1{margin:0 0 16px; font-size:clamp(28px,4.4vw,40px); line-height:1.2;
  font-weight:800; letter-spacing:-.4px; max-width:20ch; color:var(--text)}
.hero-int p{margin:0; font-size:18px; color:var(--text-2); max-width:60ch}
.selo{display:inline-block; font-size:12px; letter-spacing:2px; text-transform:uppercase;
  font-weight:700; color:var(--red); margin-bottom:14px}

/* ---------- seções ---------- */
section{padding:72px 0}
section.claro{background:var(--bg-2)}
h2{margin:0 0 12px; font-size:clamp(23px,3.2vw,30px); line-height:1.25;
  font-weight:800; letter-spacing:-.3px}
h3{margin:32px 0 10px; font-size:19px; font-weight:700}
.sub{margin:0 0 36px; color:var(--text-2); font-size:17px; max-width:62ch}
p{margin:0 0 16px; color:var(--text-2)}
p.forte{color:var(--text); font-size:18px}

/* ---------- cartões de produto ---------- */
.grade{display:grid; gap:20px; grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{
  background:#fff; border:1px solid var(--border); border-radius:var(--r);
  padding:28px; display:flex; flex-direction:column; box-shadow:var(--shadow);
}
.card .tipo{font-size:12px; letter-spacing:1.6px; text-transform:uppercase;
  font-weight:700; color:var(--text-3); margin-bottom:10px}
.card h3{margin:0 0 10px; font-size:21px; color:var(--navy)}
.card p{flex:1; margin-bottom:20px; font-size:15px}
.card .btn{align-self:flex-start}

/* ---------- listas ---------- */
ul.lista{margin:0 0 20px; padding:0; list-style:none}
ul.lista li{padding:7px 0 7px 26px; position:relative; color:var(--text-2)}
ul.lista li::before{
  content:""; position:absolute; left:4px; top:15px;
  width:7px; height:7px; border-radius:50%; background:var(--red);
}
.duas{columns:2; column-gap:36px}
@media (max-width:640px){.duas{columns:1}}

/* ---------- blocos de destaque ---------- */
.blocos{display:grid; gap:16px; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); margin:8px 0 28px}
.bloco{background:#fff; border:1px solid var(--border); border-radius:var(--r); padding:20px}
.bloco b{display:block; color:var(--navy); font-size:16px; margin-bottom:4px}
.bloco span{font-size:14px; color:var(--text-2)}

.fluxo{display:grid; gap:14px; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); margin:24px 0 28px}
.passo{background:#fff; border:1px solid var(--border); border-left:3px solid var(--navy);
  border-radius:8px; padding:16px 18px}
.passo b{display:block; font-size:12px; letter-spacing:1.4px; text-transform:uppercase;
  color:var(--text-3); margin-bottom:6px}
.passo span{color:var(--text); font-weight:600}

/* ---------- botões ---------- */
.btn{
  display:inline-block; text-decoration:none; font-weight:600; font-size:15px;
  padding:12px 22px; border-radius:9px; border:1px solid transparent; cursor:pointer;
  font-family:var(--font); transition:background .12s, border-color .12s;
}
.btn-primario{background:var(--navy); color:#fff}
.btn-primario:hover{background:var(--navy-dark)}
.btn-claro{background:#fff; color:var(--navy); border-color:var(--border)}
.btn-claro:hover{border-color:var(--navy); background:var(--navy-soft)}
.btn-vazado{background:transparent; color:#fff; border-color:rgba(255,255,255,.45)}
.btn-vazado:hover{background:rgba(255,255,255,.12)}
.acoes{display:flex; gap:12px; flex-wrap:wrap; margin-top:28px}

/* ---------- chamada final ---------- */
.chamada{background:var(--navy); color:#fff; padding:64px 0; text-align:center}
.chamada h2{color:#fff; margin-bottom:10px}
.chamada p{color:#c3d4e6; max-width:52ch; margin:0 auto 26px}

/* ---------- formulário ---------- */
.form{max-width:560px; background:#fff; border:1px solid var(--border);
  border-radius:var(--r); padding:28px; box-shadow:var(--shadow)}
.campo{margin-bottom:18px}
.campo label{display:block; font-size:14px; font-weight:600; margin-bottom:6px; color:var(--text)}
.campo input,.campo select,.campo textarea{
  width:100%; padding:11px 13px; font-size:15px; font-family:var(--font);
  border:1px solid var(--border); border-radius:9px; background:#fff; color:var(--text);
}
.campo input:focus,.campo select:focus,.campo textarea:focus{
  outline:none; border-color:var(--navy); box-shadow:0 0 0 3px var(--navy-soft);
}
.campo textarea{min-height:110px; resize:vertical}
.dica{font-size:13px; color:var(--text-3); margin:14px 0 0}
.erro-form{background:#fdeceb; border:1px solid #f3c8c5; color:var(--red-dark);
  padding:11px 14px; border-radius:9px; font-size:14px; margin-bottom:18px}

.contatos{display:grid; gap:14px; margin-top:28px}
.contatos a{display:flex; gap:12px; align-items:center; text-decoration:none;
  color:var(--text); background:#fff; border:1px solid var(--border);
  border-radius:var(--r); padding:16px 18px; font-weight:600}
.contatos a:hover{border-color:var(--navy)}
.contatos span{color:var(--text-3); font-weight:400; font-size:14px; display:block}

/* ---------- rodapé ---------- */
.rodape{background:var(--bg-3); border-top:1px solid var(--border); padding:44px 0 32px;
  font-size:14px; color:var(--text-2)}
.rodape .cols{display:grid; gap:28px; grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.rodape b{display:block; color:var(--text); margin-bottom:10px; font-size:13px;
  letter-spacing:1.4px; text-transform:uppercase}
.rodape a{display:block; color:var(--text-2); text-decoration:none; padding:3px 0}
.rodape a:hover{color:var(--navy)}
.rodape .fim{margin-top:32px; padding-top:20px; border-top:1px solid var(--border);
  color:var(--text-3); font-size:13px}