/* RESET */

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

body{
background:#0b0b0b;
color:#e5e5e5;
line-height:1.6;
}

/* NAVBAR */

.navbar{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 40px;
background:#111;
border-bottom:1px solid rgba(34,197,94,0.3);
position:sticky;
top:0;
z-index:100;
}

.logo{
font-size:22px;
color:#4ade80;
font-weight:bold;
text-shadow:0 0 10px #22c55e;
letter-spacing:1px;
}

.nav-links a{
color:#e5e5e5;
margin-left:20px;
text-decoration:none;
font-size:14px;
transition:0.3s;
}

.nav-links a:hover{
color:#4ade80;
text-shadow:0 0 8px #22c55e;
}

/* HERO */

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

.hero h1{
font-size:42px;
color:#4ade80;
text-shadow:0 0 20px #22c55e;
margin-bottom:10px;
}

.hero p{
opacity:0.8;
max-width:600px;
margin:auto;
}

/* BUTTON */

.join-btn{
display:inline-block;
margin-top:25px;
padding:12px 30px;
background:#22c55e;
color:white;
border-radius:8px;
text-decoration:none;
font-weight:bold;
transition:0.3s;
box-shadow:0 0 15px rgba(34,197,94,0.5);
}

.join-btn:hover{
transform:translateY(-3px);
box-shadow:0 0 25px rgba(34,197,94,0.8);
}

/* CARD SECTION */

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
padding:50px;
max-width:1200px;
margin:auto;
}

.card{
background:rgba(20,20,20,0.9);
padding:25px;
border-radius:12px;
border:1px solid rgba(34,197,94,0.25);
transition:0.3s;
box-shadow:0 0 10px rgba(34,197,94,0.15);
}

.card:hover{
transform:translateY(-5px);
box-shadow:0 0 20px rgba(34,197,94,0.35);
border:1px solid rgba(34,197,94,0.5);
}

.card h3{
color:#4ade80;
margin-bottom:10px;
}

.card p{
opacity:0.8;
font-size:14px;
}

/* FOOTER */

footer{
text-align:center;
padding:25px;
border-top:1px solid rgba(34,197,94,0.3);
margin-top:50px;
color:#4ade80;
font-size:14px;
}

/* RESPONSIVE */

@media(max-width:768px){

.navbar{
padding:15px 20px;
}

.hero h1{
font-size:30px;
}

.cards{
padding:30px 20px;
}

}