/* Reset Básico */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Roboto', sans-serif; }

:root {
    --primary-blue: #00264d; /* Azul K-Safe */
    --secondary-orange: #e67e22; /* Laranja K-Safe */
    --light-gray: #f4f4f4;
    --white: #ffffff;
}

body { line-height: 1.6; color: #333; }
a { text-decoration: none; }
ul { list-style: none; }

/* Utilitários */
.container { max-width: 1100px; margin: auto; padding: 0 20px; }
.text-orange { color: var(--secondary-orange); }
.text-blue { color: var(--primary-blue); }
.text-white { color: var(--white); }
.section-title { text-align: center; font-size: 2.5rem; margin-bottom: 10px; color: var(--primary-blue); }
.subtitle { text-align: center; margin-bottom: 40px; color: #666; }

/* Header */
header { background: var(--white); box-shadow: 0 2px 5px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
.header-content { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; }
.logo img { height: 60px; } /* Ajuste conforme seu logo */
nav ul { display: flex; gap: 20px; align-items: center; }
nav a { color: var(--primary-blue); font-weight: 500; }
.btn-destaque { background: var(--secondary-orange); color: white !important; padding: 10px 20px; border-radius: 5px; transition: 0.3s; }
.btn-destaque:hover { background: #d35400; }

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,38,77,0.8), rgba(0,38,77,0.8)), url('https://source.unsplash.com/1600x900/?engineering,construction'); /* Imagem genérica de engenharia */
    background-size: cover;
    background-position: center;
    color: white;
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
}
.hero h1 { font-size: 3rem; margin-bottom: 20px; }
.hero-btns { margin-top: 30px; }
.btn-primary, .btn-secondary { padding: 15px 30px; border-radius: 5px; margin: 0 10px; display: inline-block; font-weight: bold; }
.btn-primary { background: var(--secondary-orange); color: white; }
.btn-secondary { background: transparent; border: 2px solid white; color: white; }

/* Serviços Grid System */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* Cards */
section { padding: 60px 0; }
.servico-bg-light { background: var(--light-gray); }
.servico-bg-dark { background: var(--primary-blue); color: white; }

.card { background: white; padding: 30px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.card h3 { color: var(--primary-blue); margin-bottom: 15px; border-bottom: 2px solid var(--secondary-orange); display: inline-block; }

.card-icon { text-align: center; padding: 20px; border: 1px solid rgba(255,255,255,0.2); border-radius: 8px; }
.card-icon i { font-size: 3rem; color: var(--secondary-orange); margin-bottom: 15px; }

.curso-card { background: white; padding: 20px; border-radius: 8px; text-align: center; border-bottom: 5px solid var(--secondary-orange); }
.badge { background: var(--primary-blue); color: white; display: inline-block; padding: 5px 10px; border-radius: 4px; font-weight: bold; margin-bottom: 10px; }

/* Sobre */
.lista-qualificacoes li { margin-bottom: 5px; }
.lista-qualificacoes li::before { content: "✓"; color: var(--secondary-orange); margin-right: 10px; font-weight: bold; }

/* Footer */
footer { background: #001a33; color: white; padding-top: 50px; }
.footer-content { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding-bottom: 40px; }
.contact-item { margin: 15px 0; font-size: 1.1rem; }
.contact-item a { color: var(--secondary-orange); }

form input, form textarea { width: 100%; padding: 10px; margin-bottom: 10px; border: none; border-radius: 4px; }
.btn-submit { background: var(--secondary-orange); color: white; border: none; padding: 12px 20px; cursor: pointer; width: 100%; font-size: 1rem; font-weight: bold; }
.btn-submit:hover { background: #d35400; }

.copy { text-align: center; padding: 20px; background: #001122; font-size: 0.9rem; }

/* Responsividade Mobile */
@media (max-width: 768px) {
    .header-content { flex-direction: column; }
    nav ul { flex-direction: column; gap: 10px; margin-top: 20px; }
    .hero h1 { font-size: 2rem; }
    .grid-2, .grid-3, .grid-4, .footer-content { grid-template-columns: 1fr; }
    .btn-primary, .btn-secondary { display: block; margin: 10px auto; width: 100%; }
}