styles.css

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

html{
    font-size: 62.5%;
}

body{
    font-size: 1.6rem;
    font-family: sans-serif;
    color: #fff;
}

a{
    text-decoration: none;
    display: inline-block;
}


.blurred-wrapper{
    height: 100vh;
    background: url("./images/wallpaper3.jpg") center/cover;
    position: relative;
    z-index: 1;
    overflow: hidden;
    animation: hue 10s infinite alternate;
}

.blurred-wrapper::after{
    content: '';
    width: 100%;
    height: 100%;
    background: inherit;
    position: absolute;
    top: 0;
    left: 0;
    filter: blur(2rem);
    z-index: -1;
    transform: scale(1.15);
}

@keyframes hue {
    from{
        filter: hue-rotate(0);
    }
    to{
        filter: hue-rotate(360deg);
    }
}
.main-header{
    height: 12rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.container{
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo{
    font-size: 2.6rem;
    font-weight: bold;
    color: #fff;
}
.logoSpan{
    font-family: cursive;
}

.btn{
    padding: 1rem 2rem;
    border: 2px solid rgba(255,255,255,.5);
    border-radius: 2.5rem;
}

.sign-up{
    color: #fff;
    background: #00000054;
    margin-right: -100rem;
}

.hero{
    display: flex;
    align-items: center;
    height: calc(100% - 12rem);
}

.content-wrapper{
    max-width: 40rem;
    transform: translateY(-4rem);
}

div.image-wrapper{
    background-color: #a9a9a95c;
    border-radius: 20px;
    margin: auto;
    margin-top: 10%;
    text-align: center;
    box-shadow: 2px 2px 23px #ffffffa6;
    height: 45vh;
    width: 28vw;
}

div.hero-image{
    max-width: 100%;
    height: inherit;
    background: url(./images/house-key2356.png) center/cover;
    margin: 0rem;
}

h5.tagline{
    text-transform: uppercase;
    font-size: 2rem;
    font-weight: lighter;
    margin-bottom: 1rem;
}

.title{
    font-size: 3rem;
    margin-bottom: 2rem;
}

.message{
    font-size: 1.8rem;
    margin-bottom: 3rem;
    letter-spacing: 2px;
}

.cta{
    background-color: #00000054;
    color: #fff;
}

.popup .overlay{
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
    display: none;
}

.popup .content{
    position: absolute;
    top: 15%;
    left: 25%;
    box-sizing: border-box;
    transform:translate(-50%,-50%) scale(0);
    background: #fffffff0;
    border-radius: 10px;
    width: 55rem;
    height: 50rem;
    padding: 6rem;
    z-index: 2;
    text-align: center;
    color: black;
}

.popup .close-btn{
    position: absolute;
    top: 1.5rem;
    right: 2.5rem;
    font-weight: bold;
    font-size: 4rem;
    background: gray;
    padding: 0.25rem 1.5rem;
    text-align: center;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
}

.popup.active .overlay{
    display: block;
}

.popup.active .content{
    transform: all 300ms ease-in-out;
    transform:translate(0%,0%) scale(1);
}

.aboutHeader{
    text-align: center;
    font-weight: bolder;
    padding: 2rem;
    font-size: 35px;
}

.aboutPara{
    text-align: center;
    color: #675858;
    padding: 1rem;
    font-size: 20px;
    word-spacing: 0.7em;
}



@media all and (max-width: 768px) {

    .btn{
        padding: 1.5rem 3rem;
    }

    .content-wrapper{
        max-width: 60rem;
        margin-bottom: 2rem;
    }

    h5.tagline{
        font-size: 1.6rem;
        margin-top: 10%;
    }

    .title{
        font-size: 4rem;
    }

    .message{
        font-size: 1.75rem;
    }

    a.btn.sign-up{
        margin-right: -7rem;
        padding: 0.5rem 2rem;
    }

    .popup .content{
        position: absolute;
        top: 5%;
        left: 4%;
        border-radius: 10px;
        width: 32rem;
        height: 51rem;
        padding: 5rem 1rem;
    }

    p.aboutPara{
        font-size: 16px;
        letter-spacing: 1px;
        word-spacing: 1em;
    }
    
    .main-header{
        margin-top: -2.5rem;
        margin-bottom: 4rem;
    }   

    .hero{
        display: flex;
        align-items: center;
        flex-direction: column-reverse;
        height: calc(100% - 12rem);
    }

    div.image-wrapper{
        margin: 3rem auto;
        text-align: center;
        height: 20vh;
        width: 40vw;
    }
    
    div.hero-image{
        height: 10%;
        width: 43%;
        padding: 6rem 6rem;
        right: 24rem;
        margin: auto;
    }
    
    .container{
        margin-bottom: 5rem;
}
}