:root {
  --vermelho: #A50000;
  --preto: #000;
  --branco: #fff;
  --cinza: #f4f4f4;
  --fonte: 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: var(--fonte); }

body { background: var(--branco); color: var(--preto); line-height: 1.6; }

/* Header */
header {
  background: var(--vermelho); color: var(--branco);
  padding: 20px; text-align: center;
}
nav {
  margin-top: 10px; display: flex; justify-content: center; flex-wrap: wrap;
}
.menu { list-style: none; display: flex; gap: 20px; }
.menu a, .btn-diagnostico {
  color: var(--branco); text-decoration: none; font-weight: bold;
}
.btn-diagnostico {
  background: var(--branco); color: var(--vermelho);
  padding: 8px 16px; border-radius: 5px; transition: transform 0.3s;
}
.btn-diagnostico:hover { transform: scale(1.05); }

/* Hero */
.hero {
  background: url('https://images.unsplash.com/photo-1549921296-3a12d1cf00b0?fit=crop&w=1500&q=80') center/cover no-repeat;
  height: 90vh; display: flex; align-items: center; justify-content: center; position: relative;
}
.hero-overlay {
  background: rgba(0,0,0,0.6); padding: 40px;
  text-align: center; border-radius: 10px; color: var(--branco);
}
.hero h1 { font-size: 2.8rem; margin-bottom: 10px; }
.btn-hero {
  margin-top: 20px; padding: 12px 24px;
  background: linear-gradient(45deg, #A50000, #ff3333);
  color: var(--branco); border-radius: 6px; text-decoration: none;
  box-shadow: 0 5px 10px rgba(0,0,0,0.2); transition: 0.3s;
}
.btn-hero:hover { background: linear-gradient(45deg, #ff3333, #A50000); }

/* Separadores */
.separator svg { display: block; width: 100%; height: 80px; margin-bottom: -5px; }

/* Sessões gerais */
section { padding: 60px 20px; }
.container { display: flex; gap: 30px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.servicos-grid {
  display: grid; grid-template-columns: repeat(auto-fit,minmax(250px,1fr)); gap: 30px;
}
.servico {
  background: var(--cinza); padding: 20px; border-radius: 8px; text-align: center;
  transition: transform 0.3s;
}
.servico:hover { transform: scale(1.03); }

/* Diferenciais */
.lista-diferenciais {
  list-style: none; display: flex; gap: 20px; flex-wrap: wrap;
}
.lista-diferenciais li {
  display: flex; align-items: center; gap: 10px;
}

/* Contato */
form { display: flex; flex-direction: column; gap: 15px; max-width: 500px; margin: auto; }
input, textarea {
  padding: 10px; border: 1px solid #ccc; border-radius: 5px;
}
button {
  background: var(--vermelho); color: var(--branco);
  border: none; padding: 12px; border-radius: 5px;
  cursor: pointer; transition: transform 0.3s;
}
button:hover { transform: scale(1.05); }
.social-icons { text-align: center; margin-top: 20px; }
.social-icons a { margin: 0 10px; }

/* Rodapé */
footer {
  background: #111; color: #eee;
  padding: 40px 20px; text-align: center; font-size: 0.9rem;
}

/* Responsivo */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .container { flex-direction: column; text-align: center; }
  .menu { flex-direction: column; gap: 10px; }
}