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

/* default font-size is 16px, therefore, 62.5% makes the default font-size 10px */
html {
    font-size: 62.5%;
}

body {
    font-size: 1.8rem;
    font-family: 'Montserrat', sans-serif;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
}

/*Utilities*/

.container {
    max-width: 125rem;
    margin: 0 auto;
    padding: 0 9rem;
    
}

.hue-shift {
    -webkit-animation: hue-shift 5s infinite alternate;
            animation: hue-shift 5s infinite alternate;
}

/*Header & Nav*/

header {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1000;
    width: 100%;
}

/* nav by default is a block element, meaning it takes up 100% width */
.nav {
    height: 10rem;
    /* side by side (flex) */
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex; 
    -webkit-box-align: end; 
        -ms-flex-align: end; 
            align-items: flex-end;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
}

.nav-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    list-style: none;
}

.nav-item {
    margin-right: 5rem;
}

.nav-item:last-child {
    margin-right: 0;
}

.nav-link {
    font-size: 1.4rem;
    text-transform: uppercase;
    color: #fff;
    -webkit-transition: opacity .3s;
    -o-transition: opacity .3s;
    transition: opacity .3s;
    font-weight: 600;
}

.nav-link:hover {
    opacity: .6;
}

.logo {
    display: block;
    width: 8rem;
}

/*Main content*/

.landing-page {
    width: 100%;
    min-height: 100vh;
    background-image: -webkit-gradient(linear, left top, right bottom, from(#3B4679), to(#2B3153));
    background-image: -o-linear-gradient(top left, #3B4679, #2B3153);
    background-image: linear-gradient(to bottom right, #3B4679, #2B3153);
    position: relative;
    overflow: hidden;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    z-index: 1;
}

.landing-page::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: inherit;
    height: 100vh;
    background-image: url("bg-pat.png");
    background-size: cover;
    opacity: .8;
    /* z-index 'child' never falls behind it's parent */
    z-index: -1;
}

.content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.content-details {
    max-width: 80%;
}

.title {
    font-size: 5rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: 700;
}

.description {
    color: #929FC5;
    margin-bottom: 2.5rem;
}

.search {
    margin-bottom: 2.5rem;
}

.search input {
    border: none;
    border-radius: 5rem;
    padding: 2rem;
    outline: none;
    font-weight: 600;
}

.search-bar {
    width: calc(100% - .5rem);
}

.search-btn {
    width: 10rem;
    background-image: -webkit-gradient(linear, left top, right top, from(#FF83D5), to(#FFCCB0));
    background-image: -o-linear-gradient(left, #FF83D5, #FFCCB0);
    background-image: linear-gradient(to right, #FF83D5, #FFCCB0);
    color: #fff;
    cursor: pointer;
    margin-left: -10rem;
}

.search-btn:hover {
    background-image: -webkit-gradient(linear, right top, left top, from(#FF83D5), to(#FFCCB0));
    background-image: -o-linear-gradient(right, #FF83D5, #FFCCB0);
    background-image: linear-gradient(to left, #FF83D5, #FFCCB0); 
}

.sn-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.sn-link {
    color: #929FC5;
    width: 3rem;
    height: 3rem;
    border: 1px solid #929FC5;
    border-radius: 50%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-right: 2.5rem;
}

.sn-link i {
    margin: auto;
}

.sn-link:hover {
    background-image: -webkit-gradient(linear, left top, right top, from(#A971FF), to(#00F0FF));
    background-image: -o-linear-gradient(left, #A971FF, #00F0FF);
    background-image: linear-gradient(to right, #A971FF, #00F0FF);
    color: #fff;
}

.image-group {
    text-align: center;
    position: relative;
}

.blob-large {
    -webkit-animation: move-up 2s infinite alternate;
            animation: move-up 2s infinite alternate; 
}

.blob-bean {
    position: absolute;
    top: 2.5rem;
    left: -1rem;
    z-index: 10;
    -webkit-animation: move-down 2s infinite alternate;
            animation: move-down 2s infinite alternate;
}

.blob {
    position: absolute;
    z-index: -1;
}

.blob-1 {
    top: -11rem;
    left: 50%;
    -webkit-transform: translate(-50%);
        -ms-transform: translate(-50%);
            transform: translate(-50%);
}

.blob-2 {
    top: 15rem;
    left: -17rem;
}

.blob-3 {
    right: 5rem;
    bottom: -24rem;
}

.blob-4 {
    left: -21rem;
    bottom: -17rem;
}


/*Animations*/

@-webkit-keyframes move-up {
    from{
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
    to{
        -webkit-transform: translateY(2rem);
                transform: translateY(2rem);
    }
}

@keyframes move-up {
    from{
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
    to{
        -webkit-transform: translateY(2rem);
                transform: translateY(2rem);
    }
}

@-webkit-keyframes move-down {
    from{
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
    to{
        -webkit-transform: translateY(-2rem);
                transform: translateY(-2rem);
    }
}

@keyframes move-down {
    from{
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
    to{
        -webkit-transform: translateY(-2rem);
                transform: translateY(-2rem);
    }
}

@-webkit-keyframes hue-shift {
    from{
        -webkit-filter: hue-rotate(0);
                filter: hue-rotate(0);
    }
    to{
        -webkit-filter: hue-rotate(360deg);
                filter: hue-rotate(360deg);
    }
}

@keyframes hue-shift {
    from{
        -webkit-filter: hue-rotate(0);
                filter: hue-rotate(0);
    }
    to{
        -webkit-filter: hue-rotate(360deg);
                filter: hue-rotate(360deg);
    }
}

/*Media Queries*/

@media screen and (max-width: 768px){
    .nav {
        -webkit-box-align: center;
            -ms-flex-align: center;
                align-items: center;
    }

    .content {
        grid-template-columns: 1fr;
    }

    .content-details {
        -webkit-box-ordinal-group: 2;
            -ms-flex-order: 1;
                order: 1;
        max-width: 100%;
    }

    .title {
        font-size: 3.5rem;
    }

    .description {
        font-size: 1.4rem;
    }

    .image-group {
        margin-top: 10rem;
    }

    .blob-large {
        width: 70%;
    }

    .blob-bean {
        width: 30%;
        top: -1rem;
        left: 5rem;
    }

    .blob-1 {
        display: none;
    }

    .blob-2 {
        left: 30rem;
        bottom: -1rem;
        top: revert;
        width: 25%;
    }

    .blob-3 {
        right: -3rem;
        bottom: -25rem;
    }

    .blob-4 {
        display: none;
    }

    .container {
        max-width: 125rem;
        margin: 0 auto;
        padding: 0 4rem;
        
    }
    
    .search input {
        font-size: 90%;
    }
}   

@media screen and (max-width: 700px) {

    .nav {
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
            -ms-flex-direction: column;
                flex-direction: column;
        height: 5rem;
    }

    .logo-box {
        margin: 2rem 0;
    }

    .nav-item {
        margin-right: 2.5rem;
    }

    .blob-2 {
        display: none;
    }

    .blob-3 {
        width: 50%;
        bottom: -10rem;
    }

    .search input {
        font-size: 1.2rem;
    }

}