* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    color: #2b2b2b;
    background-color: #fcfcfc;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Navbar */
.navbar {
    background-color: #1c3320;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.3rem;
}

.navbar nav a {
    color: #e0e0e0;
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.95rem;
}

.navbar nav a.btn-nav {
    background-color: #437a4c;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    color: #fff;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(28, 51, 32, 0.85), rgba(28, 51, 32, 0.85)), url('https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?auto=format&fit=crop&w=1400&q=80');
    background-size: cover;
    background-position: center;
    color: #ffffff;
    text-align: center;
    padding: 6rem 1rem;
}

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

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
    color: #d1e2d4;
}

.btn-primary {
    display: inline-block;
    background-color: #2e7d32;
    color: #ffffff;
    padding: 0.9rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-primary:hover {
    background-color: #1b5e20;
}

/* Seções */
.section {
    padding: 4rem 0;
}

.bg-light {
    background-color: #f0f4f1;
}

.section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #1c3320;
}

/* Cards Grid */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.card h3 {
    margin-bottom: 0.8rem;
    color: #1c3320;
}

/* Rodapé */
footer {
    background-color: #111a12;
    color: #888;
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

/* Responsivo para Celular */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    .navbar nav a {
        margin-left: 0.8rem;
    }
}