body{
    font-family:Segoe UI, sans-serif;
    background:#f4f8f4;
    color:#222;
}

nav{
    position:fixed;
    top:0;
    width:100%;
    background:#1b5e20;
    color:white;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
    z-index:1000;
}

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

nav ul{
    display:flex;
    gap:15px;
    list-style:none;
}

nav button{
    background:none;
    border:none;
    color:white;
    cursor:pointer;
    font-size:1rem;
}

main{
    margin-top:90px;
}

.pagina{
    display:none;
    min-height:80vh;
    padding:60px 8%;
}

.ativa{
    display:block;
}

.hero{
    text-align:center;
    padding-top:100px;
}

.hero h1{
    font-size:4rem;
    color:#1b5e20;
}

.hero p{
    margin:20px auto;
    max-width:700px;
    font-size:1.2rem;
}

.cta{
    background:#2e7d32;
    color:white;
    border:none;
    padding:15px 35px;
    border-radius:50px;
    cursor:pointer;
}

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
    margin-top:40px;
}

.card{
    background:white;
    padding:30px;
    border-radius:18px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    transition:.3s;
}

.card:hover{
    transform:translateY(-8px);
}

h2{
    color:#1b5e20;
    margin-bottom:20px;
}

form{
    max-width:600px;
    display:flex;
    flex-direction:column;
    gap:15px;
}

input,
textarea{
    padding:15px;
    border:1px solid #ccc;
    border-radius:10px;
}

form button{
    background:#2e7d32;
    color:white;
    border:none;
    padding:15px;
    border-radius:10px;
    cursor:pointer;
}