/* Variáveis de Cores */
:root {
    --primary-color: #2a2d6e; /* Azul Marinho da Logo */
    --secondary-color: #4a4fb1;
    --accent-color: #25d366; /* Verde WhatsApp */
    --text-color: #333;
    --bg-light: #f4f4f4;
    --white: #ffffff;
}

/* Reset Básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Navegação */
header {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1100px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: bold;
}

.menu a {
    color: var(--white);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: 0.3s;
}

.menu a:hover {
    color: #ccc;
}

/* Seção Hero */
.hero {
    height: 70vh;
    background: linear-gradient(rgba(42, 45, 110, 0.7), rgba(42, 45, 110, 0.7)), 
                url('https://images.unsplash.com/photo-1454165833767-027ff33027ef?auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 60px;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.btn-whatsapp {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 20px;
    transition: transform 0.3s;
}

.btn-whatsapp:hover {
    transform: scale(1.05);
}

/* Layout de Seções */
.container {
    max-width: 1100px;
    margin: auto;
    padding: 80px 20px;
    text-align: center;
}

.bg-light {
    background-color: var(--bg-light);
}

/* Cards de Serviços */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Rodapé */
footer {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 20px 0;
}

/* Responsividade */
@media (max-width: 768px) {
    .menu { display: none; } /* Simplicidade para mobile */
    .hero h1 { font-size: 1.8rem; }
}