* {
    font-family: 'Karla', sans-serif;
}
:root {
    --spotify-green: #1DB954;
    --gradient-angle: 45deg;
    --gradient-start: rgb(41,22,65);
    --gradient-end: rgba(85,1,33,1);
}
html {
    scroll-behavior: smooth;
}
html, body {
    height: 100%;
}
main {
    scroll-snap-type: y mandatory;
    height: 100vh;
    overflow-y: scroll;
}
.content {
    opacity: 0;
    transition: opacity .4s;
}
.content.fadeIn {
    opacity: 1;
}

section {
    height: 100%;
    color: white;
    font-size: 3rem;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1050;

    scroll-snap-align: start;
}
header {
    position: fixed;
    color: white;
    font-size: 1.5rem;
    padding: 2rem;
}
footer {
    position: fixed;
    color: white;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
}
.hero-bg {
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    background: linear-gradient(
        var(--gradient-angle), 
        var(--gradient-start) 0%, 
        var(--gradient-end) 100%);
    z-index: -1;
}
.hero-img {
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: 1;
    color: white;
}
.hero-img .col-lg-4 {
    padding: 0;
}
.img {
    height: 100%;
    background-image: url(/assets/img/img_2.png);
    background-position: left;
    background-size: cover;
}
span {
    color: var(--spotify-green);
}
.btn {
    border-radius: 4rem;
    padding: 1rem 2rem;
    font-size: 1.5rem;
}
.btn-primary {
    background-color: var(--spotify-green);
    border-color: var(--spotify-green);
    transition: all .7s;
    white-space: nowrap;
}
.btn-primary:hover {
    background-color: var(--gradient-start);
    border-color: var(--gradient-end);
}

.cover {
    border-radius: 2rem;
    overflow: hidden;
    max-width: 200px;
    height: max-content;
    border: 1px solid;
    margin-bottom: 2rem;
}
h2 {
    font-size: 4rem;
    text-transform: capitalize;
    margin-bottom: 2rem;
    line-height: 1.1;
}
h4 {
    font-size: 2rem;
    margin-bottom: 2rem;
}


.player {
    position: relative;
}
.player-btn-cont {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.5);
}
.cover.playing i::before {
    content: '\F4C2';
}


@media (max-width: 992px) {
    .content {
        padding-left: 2rem;
        line-height: 1.2;
    }
    .hero-img {
        display: none;
    }
    .cover {
        max-width: 150px;
        margin-bottom: 1rem;
    }
    h2 {
        font-size: 3rem;
    }
}