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

body{
background:#0f172a;
color:white;
overflow-x:hidden;
}

/* Navbar */

nav{
width:100%;
padding:20px 8%;
display:flex;
justify-content:space-between;
align-items:center;
background:#111827;
position:fixed;
top:0;
z-index:1000;
box-shadow:0 5px 20px rgba(0,0,0,0.3);
}

.logo{
font-size:28px;
font-weight:700;
color:#38bdf8;
}

nav ul{
display:flex;
list-style:none;
gap:30px;
}

nav ul li a{
text-decoration:none;
color:white;
font-size:17px;
transition:0.3s;
}

nav ul li a:hover{
color:#38bdf8;
}

/* Hero */

.hero{
width:100%;
height:100vh;
background:url('https://images.unsplash.com/photo-1509062522246-3755977927d7?q=80&w=1920') center/cover no-repeat;
display:flex;
justify-content:center;
align-items:center;
position:relative;
text-align:center;
padding:20px;
}

.overlay{
position:absolute;
width:100%;
height:100%;
background:rgba(0,0,0,0.6);
top:0;
left:0;
}

.hero-content{
position:relative;
z-index:1;
max-width:800px;
}

.hero-content h1{
font-size:60px;
margin-bottom:20px;
}

.hero-content p{
font-size:20px;
line-height:1.8;
color:#e2e8f0;
}

.buttons{
margin-top:40px;
display:flex;
justify-content:center;
gap:20px;
flex-wrap:wrap;
}

.btn,
.btn2{
padding:15px 35px;
text-decoration:none;
border-radius:50px;
font-size:18px;
transition:0.3s;
font-weight:600;
}

.btn{
background:#38bdf8;
color:#000;
}

.btn:hover{
background:#0ea5e9;
transform:translateY(-5px);
}

.btn2{
border:2px solid white;
color:white;
}

.btn2:hover{
background:white;
color:black;
transform:translateY(-5px);
}

/* Features */

.features{
padding:100px 8%;
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
background:#111827;
}

.card{
background:#1e293b;
padding:40px 30px;
border-radius:20px;
transition:0.4s;
box-shadow:0 5px 25px rgba(0,0,0,0.3);
}

.card:hover{
transform:translateY(-10px);
background:#334155;
}

.card h2{
margin-bottom:20px;
color:#38bdf8;
}

.card p{
line-height:1.8;
color:#cbd5e1;
}

/* Footer */

footer{
background:#020617;
padding:30px;
text-align:center;
}

footer h3{
margin-bottom:10px;
font-size:28px;
}

footer p{
color:#94a3b8;
}

/* Responsive */

@media(max-width:768px){

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

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

.hero-content h1{
font-size:40px;
}

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

}