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

body{
    height:100vh;
}

/* Hero Section */

#hero{
    position:relative;/* comment */
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    text-align:center;
    background:linear-gradient(135deg,#2563eb,#4f46e5,#7c3aed);
    color:#fff;
    overflow:hidden;
}

/* Dark Overlay */

.overlay{
    position:absolute;
    width:100%;
    height:100%;
    background:rgba(0,0,0,.25);
}

/* Content */

.content{
    position:relative;
    z-index:2;
    max-width:700px;
    padding:20px;
}

.content h1{
    font-size:4rem;
    margin-bottom:20px;
    letter-spacing:2px;
}

.content p{
    font-size:1.2rem;
    line-height:1.8;
    margin-bottom:35px;
    color:#f1f1f1;
}

/* Buttons */

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

.btn{
    text-decoration:none;
    padding:15px 35px;
    border-radius:50px;
    font-size:1rem;
    font-weight:bold;
    transition:.3s;
}

.primary{
    background:#fff;
    color:#2563eb;
}

.primary:hover{
    background:#2563eb;
    color:#fff;
}

.secondary{
    border:2px solid #fff;
    color:#fff;
}

.secondary:hover{
    background:#fff;
    color:#2563eb;
}

/* Responsive */

@media(max-width:768px){

    .content h1{
        font-size:2.8rem;
    }

    .content p{
        font-size:1rem;
    }

    .btn{
        width:200px;
    }

}