*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    scroll-behavior:smooth;
    font-family:'Poppins',sans-serif;
}

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

/* Header */

header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 8%;
    background:#111;
    position:sticky;
    top:0;
    z-index:1000;
    box-shadow:0 2px 10px rgba(0,0,0,.5);
}

.logo{
    font-size:30px;
    font-weight:700;
    color:#00ff88;
}

nav a{
    color:white;
    text-decoration:none;
    margin-left:25px;
    transition:.3s;
    font-weight:500;
}

nav a:hover{
    color:#00ff88;
}

/* Hero */

.hero{
    min-height:90vh;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    padding:40px;
    background:linear-gradient(rgba(0,0,0,.75),rgba(0,0,0,.75)),
    url("https://images.unsplash.com/photo-1547347298-4074fc3086f0?auto=format&fit=crop&w=1500&q=80");
    background-size:cover;
    background-position:center;
}

.overlay{
    max-width:850px;
}

.hero h1{
    font-size:65px;
    color:#00ff88;
    margin-bottom:20px;
}

.hero p{
    font-size:22px;
    margin-bottom:35px;
}

/* Button */

.btn{
    display:inline-block;
    padding:15px 35px;
    background:#00ff88;
    color:#000;
    text-decoration:none;
    font-weight:700;
    border-radius:50px;
    transition:.3s;
    border:none;
    cursor:pointer;
}

.btn:hover{
    transform:translateY(-5px);
    box-shadow:0 0 20px #00ff88;
}

/* Sections */

section{
    padding:80px 8%;
}

section h2{
    text-align:center;
    font-size:42px;
    color:#00ff88;
    margin-bottom:50px;
}

/* Cards */

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

.card{
    background:#161616;
    border:1px solid #00ff88;
    border-radius:18px;
    padding:30px;
    text-align:center;
    transition:.3s;
}

.card:hover{
    transform:translateY(-10px);
    box-shadow:0 0 20px #00ff88;
}

.card h3{
    color:#00ff88;
    margin-bottom:15px;
}

.card p{
    color:#ddd;
}

/* Prediction */

.prediction-card{
    max-width:650px;
    margin:auto;
    text-align:center;
    background:#161616;
    border:2px solid #00ff88;
    border-radius:20px;
    padding:40px;
}

.prediction-card h3{
    color:#00ff88;
    margin-bottom:25px;
}

.prediction-card p{
    font-size:20px;
    margin:12px 0;
}

/* Stats */

.stats{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:25px;
}

.stat{
    text-align:center;
    background:#161616;
    border-radius:18px;
    padding:35px;
    transition:.3s;
}

.stat:hover{
    transform:scale(1.05);
}

.stat h3{
    font-size:42px;
    color:#00ff88;
}

.stat p{
    margin-top:10px;
}

/* Roadmap */

#roadmap ul{
    list-style:none;
    max-width:600px;
    margin:auto;
}

#roadmap li{
    background:#161616;
    margin:15px 0;
    padding:18px;
    border-left:5px solid #00ff88;
    border-radius:10px;
    font-size:18px;
}

/* Footer */

footer{
    background:#111;
    text-align:center;
    padding:35px;
}

footer h2{
    color:#00ff88;
    margin-bottom:10px;
}

footer p{
    color:#ccc;
    margin-top:10px;
}

/* Responsive */

@media(max-width:768px){

header{
    flex-direction:column;
}

nav{
    margin-top:20px;
}

nav a{
    display:block;
    margin:10px 0;
}

.hero h1{
    font-size:42px;
}

.hero p{
    font-size:18px;
}

section h2{
    font-size:32px;
}

}