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

:root {
    --primary: #2d5a27;
    --secondary: #8bc34a;
    --dark: #333;
    --light: #f4f4f4;
    --white: #ffffff;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    scroll-behavior: smooth;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 20px;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
    overflow: hidden;
}

/* 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(--primary);
}

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

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

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

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

/* Hero Section */
.hero {
    height: 100 vh;
    min-height: 500px;
    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') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

.hero h1 {
    font-size: 3rem;
}

.btn {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
    transition: background 0.3s;
}

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

/* Grid System */
.section { padding: 80px 0; }
.bg-light { background: var(--light); }
.text-center { text-align: center; }

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
}

.card-img {
    font-size: 100px;
    background: #e0e0e0;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    cursor: pointer;
}

.mobile-menu div {
    width: 25px;
    height: 3px;
    background: var(--primary);
    margin: 5px;
    transition: 0.3s;
}

/* Responsividade */
@media (max-width: 768px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none; /* Seria ativado via JS */
    }

    .mobile-menu {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }
}

footer {
    background: var(--primary);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}