:root{
--green:#0f5132;
--accent:#3ddc84;
--dark:#081c15;
}

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

body{
font-family:Arial,sans-serif;
background:#f5fff7;
color:#222;
overflow-x:hidden;
}

.nav{
position:fixed;
top:0;
width:100%;
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 30px;
background:rgba(0,0,0,.55);
backdrop-filter:blur(10px);
z-index:1000;
}

.logo{
color:white;
font-size:22px;
font-weight:bold;
}

.menu a{
color:white;
text-decoration:none;
margin-left:20px;
transition:.3s;
}

.menu a:hover{
color:#3ddc84;
}

.burger{
display:none;
color:white;
font-size:28px;
cursor:pointer;
}

.hero{
height:100vh;
background:linear-gradient(rgba(0,0,0,.65),rgba(0,0,0,.65)),
url('img/bg.jpg') center/cover no-repeat fixed;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
color:white;
}

.hero-content{
max-width:900px;
padding:20px;
animation:fade 1.2s ease;
}

.hero h1{
font-size:4rem;
margin-bottom:20px;
}

.hero p{
font-size:1.2rem;
}

.btn{
display:inline-block;
margin-top:25px;
padding:16px 35px;
background:var(--accent);
border-radius:40px;
text-decoration:none;
color:white;
transition:.3s;
}

.btn:hover{
transform:translateY(-4px);
}

.section{
padding:100px 20px;
text-align:center;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:25px;
max-width:1200px;
margin:auto;
}

.card{
background:white;
padding:30px;
border-radius:22px;
box-shadow:0 12px 30px rgba(0,0,0,.08);
transition:.35s;
}

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

.dark{
background:linear-gradient(135deg,#081c15,#0f5132);
color:white;
}

.stats{
display:flex;
justify-content:center;
gap:30px;
flex-wrap:wrap;
}

.stat{
background:white;
padding:30px;
border-radius:20px;
color:#111;
min-width:220px;
}

footer{
padding:40px;
text-align:center;
background:#111;
color:#aaa;
}

@keyframes fade{
from{
opacity:0;
transform:translateY(40px);
}
to{
opacity:1;
transform:translateY(0);
}
}

@media(max-width:768px){

.hero h1{
font-size:2.2rem;
}

.menu{
display:none;
position:absolute;
top:70px;
right:0;
background:#111;
padding:20px;
flex-direction:column;
width:240px;
}

.menu.active{
display:flex;
}

.menu a{
margin:10px 0;
}

.burger{
display:block;
}
}