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

html{
    scroll-behavior:smooth;
}

body{
    font-family:'Inter',sans-serif;
    background:#0b1020;
    color:#f5f5f5;
    line-height:1.8;
}

/* Navigation */

header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(10,15,35,0.8);
    backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(255,255,255,0.08);
}

nav{
    max-width:1200px;
    margin:auto;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px;
}

.logo{
    font-size:1.5rem;
    font-weight:700;
    color:#6ee7b7;
}

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

nav a{
    color:white;
    text-decoration:none;
    transition:0.3s;
}

nav a:hover{
    color:#6ee7b7;
}

/* Hero Section */

.hero{
    min-height:100vh;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
    padding:40px;
}

.hero h1{
    font-size:5rem;
    font-weight:700;
    background:linear-gradient(90deg,#6ee7b7,#60a5fa);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.hero h2{
    margin-top:20px;
    color:#d1d5db;
}

.hero p{
    max-width:800px;
    margin-top:25px;
    color:#94a3b8;
    font-size:1.1rem;
}

/* Buttons */

.buttons{
    margin-top:40px;
    display:flex;
    gap:20px;
}

.btn{
    padding:14px 28px;
    border-radius:15px;
    background:#6ee7b7;
    color:#111827;
    text-decoration:none;
    font-weight:600;
    transition:0.3s;
}

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

.secondary{
    background:#1e293b;
    color:white;
}

/* Sections */

section{
    max-width:1200px;
    margin:auto;
    padding:100px 30px;
}

section h2{
    font-size:2.5rem;
    margin-bottom:30px;
    color:#6ee7b7;
}

section p{
    color:#cbd5e1;
}

/* Cards */

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:25px;
    margin-top:40px;
}

.card{
    background:rgba(255,255,255,0.05);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:25px;
    padding:30px;
    backdrop-filter:blur(20px);
    transition:0.4s;
}

.card:hover{
    transform:translateY(-10px);
    border-color:#6ee7b7;
}

.card h3{
    margin-bottom:20px;
    color:#6ee7b7;
}

/* Download Button */

.download{
    display:inline-block;
    margin-top:30px;
    padding:16px 30px;
    background:#6ee7b7;
    color:#111827;
    text-decoration:none;
    border-radius:15px;
    font-weight:600;
    transition:0.3s;
}

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

/* Timeline */

.timeline{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:25px;
    margin-top:40px;
}

.year{
    background:rgba(255,255,255,0.05);
    padding:30px;
    border-radius:20px;
    border:1px solid rgba(255,255,255,0.08);
}

.year h3{
    color:#60a5fa;
    margin-bottom:15px;
}

/* Footer */

footer{
    margin-top:100px;
    text-align:center;
    padding:60px 20px;
    background:#070b18;
}

footer h2{
    color:#6ee7b7;
    margin-bottom:20px;
}

footer p{
    color:#94a3b8;
    margin-top:10px;
}

/* Responsive */

@media(max-width:768px){

.hero h1{
    font-size:3rem;
}

nav{
    flex-direction:column;
    gap:20px;
}

nav ul{
    flex-wrap:wrap;
    justify-content:center;
}

.buttons{
    flex-direction:column;
}

}