:root{
  --azul:#000d49;
  --azul2:#0c2a7a;
  --vermelho:#e02b20;
  --claro:#f4f6fb;
  --cinza:#5c6680;
  --branco:#ffffff;
  --radius:14px;
  --sombra:0 14px 40px rgba(0,13,73,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Cuprum',system-ui,Arial,sans-serif;color:#1c2338;background:var(--branco);line-height:1.65;font-size:17px}
.container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:'Crete Round',Georgia,serif;line-height:1.2;font-weight:400}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}

/* ===== Topo / nav ===== */
.topo{position:sticky;top:0;z-index:50;background:rgba(0,13,73,.97);backdrop-filter:blur(6px);box-shadow:0 2px 20px rgba(0,0,0,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.marca img{height:42px;width:auto;filter:brightness(0) invert(1)}
.menu{display:flex;align-items:center;gap:28px}
.menu a{color:#cdd6f0;font-size:17px;font-weight:600;transition:color .2s}
.menu a:hover{color:#fff}
.menu a.destaque{background:var(--vermelho);color:#fff;padding:9px 20px;border-radius:30px}
.menu a.destaque:hover{opacity:.9}
.menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer}
.menu-btn span{width:26px;height:3px;background:#fff;border-radius:3px}
#menu-toggle{display:none}

/* ===== Hero ===== */
.hero{background:linear-gradient(135deg,var(--azul) 0%,var(--azul2) 100%);color:#fff;position:relative;overflow:hidden;padding:110px 0 120px}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(224,43,32,.35),transparent 70%)}
.hero-conteudo{position:relative;max-width:760px}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);margin-bottom:20px}
.hero p{font-size:1.2rem;color:#d7e0f7;margin-bottom:34px;max-width:620px}
.hero-acoes{display:flex;gap:16px;flex-wrap:wrap}

.btn{display:inline-block;padding:14px 30px;border-radius:30px;font-weight:700;font-size:1rem;cursor:pointer;border:none;transition:transform .15s,opacity .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primario{background:var(--vermelho);color:#fff}
.btn-contorno{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.55)}
.btn-contorno:hover{background:rgba(255,255,255,.1)}

/* ===== Secoes ===== */
.secao{padding:84px 0}
.secao-sobre{background:var(--claro)}
.titulo-secao{text-align:center;margin-bottom:52px}
.titulo-secao.esq{text-align:left}
.titulo-secao span{display:inline-block;color:var(--vermelho);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.85rem;margin-bottom:8px}
.titulo-secao h2{font-size:clamp(1.7rem,3.5vw,2.5rem);color:var(--azul)}

/* ===== Servicos ===== */
.grid-servicos{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:26px}
.card{background:#fff;border:1px solid #eef0f6;border-radius:var(--radius);padding:34px 28px;box-shadow:var(--sombra);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 50px rgba(0,13,73,.18)}
.card .icone{width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--azul),var(--azul2));color:#fff;border-radius:14px;font-size:1.7rem;margin-bottom:18px}
.card h3{font-size:1.35rem;color:var(--azul);margin-bottom:10px}
.card p{color:var(--cinza);font-size:1rem}

/* ===== Sobre ===== */
.grid-sobre{display:grid;grid-template-columns:1.3fr 1fr;gap:50px;align-items:center}
.grid-sobre p{color:var(--cinza);margin-bottom:16px}
.grid-sobre strong{color:var(--azul)}
.areas{display:grid;gap:16px}
.area{display:flex;align-items:center;gap:16px;background:#fff;border-radius:var(--radius);padding:20px 24px;box-shadow:var(--sombra);font-size:1.2rem;font-weight:600;color:var(--azul)}
.area span{background:var(--vermelho);color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}

/* ===== Clientes ===== */
.centro{text-align:center}
.intro-clientes{max-width:760px;margin:0 auto 44px;color:var(--cinza)}
.grid-clientes{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:40px}
.cliente{background:linear-gradient(135deg,var(--azul),var(--azul2));color:#fff;border-radius:var(--radius);padding:28px 24px;font-size:1.15rem;font-weight:600;text-align:center;box-shadow:var(--sombra)}
.cta-orcamento{font-size:1.25rem;color:var(--azul);font-weight:600;max-width:680px;margin:0 auto}

/* ===== Contato ===== */
.secao-contato{background:var(--azul);color:#fff}
.secao-contato .titulo-secao h2{color:#fff}
.grid-contato{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contato-info p{color:#cdd6f0;margin-bottom:26px}
.lista-contato{list-style:none;display:grid;gap:20px}
.lista-contato li{color:#e7edfb;font-size:1.05rem;line-height:1.5}
.lista-contato strong{display:block;color:var(--vermelho);text-transform:uppercase;letter-spacing:1px;font-size:.8rem;margin-bottom:4px}
.lista-contato a{color:#fff;text-decoration:underline}

.contato-form{background:#fff;border-radius:18px;padding:34px 30px;box-shadow:var(--sombra)}
.contato-form label{display:block;color:var(--azul);font-weight:600;margin-bottom:16px;font-size:.95rem}
.contato-form input,.contato-form textarea{width:100%;margin-top:6px;padding:12px 14px;border:1px solid #d3d9e8;border-radius:10px;font-family:inherit;font-size:1rem;color:#1c2338;background:#fafbff;outline:none;transition:border-color .2s}
.contato-form input:focus,.contato-form textarea:focus{border-color:var(--azul2)}
.contato-form button{width:100%;margin-top:6px}
.aviso{padding:14px 16px;border-radius:10px;margin-bottom:18px;font-size:.98rem}
.aviso.sucesso{background:#e6f7ec;color:#1e7a43;border:1px solid #bce5c9}
.aviso.erro{background:#fdecea;color:#c0392b;border:1px solid #f5c6cb}

/* ===== Rodape ===== */
.rodape{background:#00072b;color:#aab6d6;padding:46px 0;text-align:center}
.rodape-logo{height:40px;width:auto;margin:0 auto 14px;filter:brightness(0) invert(1);opacity:.9}
.rodape p{margin-bottom:6px}
.rodape .copy{font-size:.85rem;color:#6b78a0;margin-top:12px}

/* ===== Voltar ao topo ===== */
.voltar-topo{position:fixed;right:22px;bottom:22px;width:48px;height:48px;background:var(--vermelho);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;box-shadow:0 8px 24px rgba(224,43,32,.45);opacity:.92;z-index:40}
.voltar-topo:hover{opacity:1}

/* ===== Responsivo ===== */
@media(max-width:860px){
  .menu-btn{display:flex}
  .menu{position:fixed;inset:74px 0 auto 0;flex-direction:column;background:var(--azul);padding:20px;gap:18px;transform:translateY(-130%);transition:transform .3s;box-shadow:0 20px 30px rgba(0,0,0,.3)}
  #menu-toggle:checked ~ .menu{transform:translateY(0)}
  .menu a{font-size:1.1rem}
  .grid-sobre,.grid-contato{grid-template-columns:1fr;gap:34px}
  .secao{padding:60px 0}
  .hero{padding:80px 0 90px}
}