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

body{
    background:#f4f6f9;
}

/* Header */

header{
    position:absolute;
    width:100%;
    z-index:100;
    padding:20px 0;
}

.container{
    width:90%;
    margin:auto;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

header h2{
    color:white;
}

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

nav a:hover{
    color:#ffd700;
}

/* Hero */

.hero{
    position:relative;
    height:100vh;
    background:url("https://images.unsplash.com/photo-1523050854058-8df90110c9f1?auto=format&fit=crop&w=1600&q=80") center/cover;
    display:flex;
    justify-content:center;
    align-items:center;
}

.overlay{
    position:absolute;
    width:100%;
    height:100%;
    background:rgba(0,60,120,.70);
}

.content{
    position:relative;
    color:white;
    text-align:center;
    max-width:700px;
    padding:20px;
}

.content h1{
    font-size:55px;
    margin-bottom:10px;
}

.content h2{
    font-size:35px;
    margin-bottom:20px;
    color:#ffd700;
}

.content p{
    font-size:18px;
    line-height:1.7;
}

.buttons{
    margin-top:35px;
}

.btn{
    display:inline-block;
    padding:15px 35px;
    background:#ff9800;
    color:white;
    text-decoration:none;
    border-radius:40px;
    margin:10px;
    transition:.3s;
    font-weight:bold;
}

.btn:hover{
    background:#e68900;
    transform:translateY(-3px);
}

.btn-secondary{
    background:#28a745;
}

.btn-secondary:hover{
    background:#218838;
}

/* Fitur */

.fitur{
    padding:80px 10%;
    text-align:center;
}

.fitur h2{
    margin-bottom:40px;
    color:#003366;
    font-size:35px;
}

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;
}

.card{
    background:white;
    padding:35px;
    border-radius:15px;
    box-shadow:0 5px 20px rgba(0,0,0,.1);
    transition:.3s;
}

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

.card h3{
    margin-bottom:15px;
    color:#0056b3;
}

/* Footer */

footer{
    background:#003366;
    color:white;
    text-align:center;
    padding:20px;
}

/* Responsive */

@media(max-width:768px){

.content h1{
    font-size:38px;
}

.content h2{
    font-size:25px;
}

.container{
    flex-direction:column;
}

nav{
    margin-top:15px;
}

nav a{
    margin:0 10px;
}

}