/* Configurações Gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #2d5a27;
    --secondary: #7db343;
    --dark: #1a1a1a;
    --light: #f4f4f4;
    --white: #ffffff;
}

html { scroll-behavior: smooth; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark);
}

.logo span { color: var(--primary); }

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li a {
    text-decoration: none;
    color: var(--dark);
    margin-left: 30px;
    font-weight: 500;
    transition: 0.3s;
}

.nav-links li a:hover { color: var(--secondary); }

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100 vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), 
                url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
    padding-top: 80px;
}

.hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; max-width: 700px; margin-inline: auto; }

.btn {
    background: var(--secondary);
    color: var(--white);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: 0.3s;
}

.btn:hover { background: var(--primary); }

/* Pilares */
#pilares { padding: 100px 20px; }

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: var(--primary);
}

.cards {
    display: flex;
    gap: 20px;
    justify-content: space-between;
    flex-wrap: wrap;
}

.card {
    flex: 1;
    min-width: 250px;
    background: var(--light);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.card:hover { transform: translateY(-10px); }

.card i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 40px 0;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .menu-toggle { display: block; }
    .hero h1 { font-size: 2.5rem; }
}