@import url('https://fonts.googleapis.com/css?family=Karla:400,700&display=swap');

:root {
    --bgColor:     #223344;
    --bgColor2:    #090a0f;
    --accentColor: #FFF;
    --font:        'Karla', sans-serif;
    --delay:       .3s;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: var(--font);
    background: radial-gradient(ellipse at bottom, var(--bgColor) 0%, var(--bgColor2) 100%);
    opacity: 0;
    animation: 1s ease-out var(--delay) 1 transitionAnimation;
    animation-fill-mode: forwards;
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
}

#bgCanvas {
    position: fixed;
    top:    0;
    left:   0;
    width:  100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

#profilePicture,
#userName,
#links,
#hashtag {
    position: relative;
    z-index:  1;
}

#profilePicture,
#profilePicture img {
    width:         96px;
    height:        96px;
    display:       block;
    margin:        40px auto 20px;
    border-radius: 50%;
    -webkit-tap-highlight-color: transparent;
}

#userName {
    color:       var(--accentColor);
    font-size:   1rem;
    font-weight: bold;
    line-height: 1.25;
    display:     block;
    font-family: var(--font);
    width:       100%;
    text-align:  center;
}

#links {
    max-width: 675px;
    width:     auto;
    display:   block;
    margin:    27px auto;
}

.link {
    position:         relative;
    background-color: transparent;
    color:            var(--accentColor);
    border:           solid var(--accentColor) 2px;
    border-radius:    10px;
    font-size:        1rem;
    text-align:       center;
    display:          block;
    margin-left:      10px;
    margin-right:     10px;
    margin-bottom:    10px;
    padding:          10px;
    text-decoration:  none;
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) {
    .link:hover {
        background-color: var(--accentColor);
        color: var(--bgColor);
    }
}

.link:active {
    background-color: var(--accentColor);
    color: var(--bgColor);
}

#hashtag {
    padding-bottom: 20px;
    font-size:      1rem;
    display:        block;
    font-family:    var(--font);
    width:          100%;
    text-align:     center;
    overflow:       hidden;
    background: linear-gradient(90deg, var(--bgColor), var(--accentColor), var(--bgColor));
    background-repeat: no-repeat;
    background-size:   80%;
    animation: shimmer 3s linear var(--delay) infinite;
    -webkit-background-clip: text;
    background-clip:         text;
    -webkit-text-fill-color: rgba(255, 255, 255, 0);
}

@keyframes transitionAnimation {
    0%   { opacity: 0; transform: translateY(-10px); }
    100% { opacity: 1; transform: translateY(0);     }
}

@keyframes shimmer {
    0%   { background-position: -500%; }
    100% { background-position:  500%; }
}

.overlay {
    display:          flex;
    align-items:      center;
    justify-content:  center;
    position:         fixed;
    inset:            0;
    background-color: rgba(0, 0, 0, 0.70);
    z-index:          2;
    visibility:       hidden;
    opacity:          0;
    overflow:         hidden;
    transition:       .5s ease-in-out;
}

.popup {
    position:         relative;
    top:              -43%;
    display:          flex;
    flex-direction:   column;
    align-items:      center;
    max-width:        400px;
    width:            auto;
    height:           auto;
    margin:           56px;
    background-color: var(--bgColor);
    transform:        scale(0);
    transition:       .5s ease-in-out;
}

.popup-photo {
    display: flex;
    width:   100%;
    height:  100%;
}

.popup-photo img {
    width:  100%;
    height: 100%;
}

.popup-quote {
    font-family: Baskerville, Georgia, serif;
    font-style:  italic;
    color:       var(--accentColor);
    padding:     20px;
    text-align:  center;
    font-size:   1rem;
}

.overlay:target {
    visibility: visible;
    opacity:    1;
}

.overlay:target .popup {
    transform: scale(1);
    top:       0;
}

.popup-close {
    position:         absolute;
    right:            -1rem;
    top:              -1rem;
    width:            3rem;
    height:           3rem;
    font-size:        1.7rem;
    font-weight:      400;
    border-radius:    100%;
    background-color: var(--bgColor);
    z-index:          4;
    color:            var(--accentColor);
    line-height:      2.7rem;
    text-align:       center;
    cursor:           pointer;
    text-decoration:  none;
    -webkit-tap-highlight-color: transparent;
}

@media (hover: hover) {
    .popup-close:hover {
        background-color: var(--accentColor);
        color: var(--bgColor);
    }
}

.popup-close:active {
    background-color: var(--accentColor);
    color: var(--bgColor);
}