:root{

--verde:#2E7D32;
--marrom:#8D6E63;
--dourado:#FBC02D;
--branco:#fff;

}

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

body{
font-family:'Open Sans',sans-serif;
}

h1,h2,h3{
font-family:'Montserrat',sans-serif;
}

nav{
position:fixed;
width:100%;
background:rgba(0,0,0,.6);
padding:20px 8%;
display:flex;
justify-content:space-between;
z-index:1000;
}

nav ul{
display:flex;
gap:25px;
list-style:none;
}

nav a{
color:white;
text-decoration:none;
}

.hero{
height:100vh;
background:url('https://images.unsplash.com/photo-1441974231531-c6227db76b6e');
background-size:cover;
background-position:center;
position:relative;
display:flex;
align-items:center;
justify-content:center;
}

.overlay{
position:absolute;
width:100%;
height:100%;
background:rgba(0,0,0,.5);
}

.hero-content{
position:relative;
text-align:center;
color:white;
max-width:700px;
padding:20px;
}

.hero h1{
font-size:4rem;
}

.hero p{
margin:20px 0;
}

.btn{
background:var(--dourado);
padding:14px 30px;
border-radius:30px;
text-decoration:none;
color:black;
font-weight:bold;
display:inline-block;
}

section{
padding:90px 10%;
}

.catalogo-call{
background:var(--verde);
color:white;
text-align:center;
}

.passos{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:20px;
margin-top:40px;
}

.passo{
background:#f5f5f5;
padding:30px;
border-radius:12px;
}

.catalogo{
padding:50px;
display:grid;
grid-template-columns:repeat(2,1fr);
gap:30px;
max-width:1200px;
margin:auto;
}

.planta-card{
background:white;
border-radius:15px;
overflow:hidden;
box-shadow:0 5px 15px rgba(0,0,0,.1);
}

.planta-card img{
width:100%;
height:250px;
object-fit:cover;
}

.conteudo{
padding:20px;
}

.conteudo span{
color:var(--verde);
font-style:italic;
}

footer{
background:#1d1d1d;
color:white;
text-align:center;
padding:50px;
}

.whatsapp{
position:fixed;
right:20px;
bottom:20px;
background:#25D366;
color:white;
padding:15px 20px;
border-radius:50px;
text-decoration:none;
}

@media(max-width:768px){

.passos{
grid-template-columns:1fr;
}

.catalogo{
grid-template-columns:1fr;
}

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

}