html, body {
    height: 100%;
    padding: 0;
    margin: 0;
}

body {
    position: relative;
    display: flex;
    overflow: hidden;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: white;
    font-family: EuroStyle, Calibri;
    color: #333333;
    font-size: 1.1em;
    transition: background 0.3s ease, color 0.3s ease, opacity 2.5s ease;
    opacity: 0;
}
body.loaded {
    opacity: 1;
}

body.light-on {
    background: #222;
    color: #eee;
}

@font-face {
    font-family: EuroStyle;
    src: url(font/EuroStyle.ttf);
}

h1 {
    font-size: 1.5em;
    line-height: 1;
    font-weight: bold;
}

body.light-on h1 {
    text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.25)
}

p {
    letter-spacing: 1px;
}

aside.top-left {
    position: absolute;
    top: 10px;
    left: 40px;
    z-index: 1;
    transition: all 0.3s ease;
}


aside.top-right {
    position: absolute;
    top: 0px;
    right: 10px;
    z-index: 1;
    transition: all 0.3s ease;
}
aside.top-right a {
    color: #333;
    transition: color 0.2s ease, opacity 0.2s ease;
    opacity: 0.2;
}
aside.top-right a:hover {
    opacity: 1;
}
aside.top-right a svg {
    width: 20px;
    height: 20px;
    float: right;
}
body.light-on aside.top-right a {
    color: #eee;
}

aside.bottom-left {
    position: absolute;
    bottom: 30px;
    left: 40px;
    z-index: 1;
    transition: all 0.3s ease;
}

section {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

svg {
    height: auto;
    width: 40%;
    margin: 30px;
    animation: shadow 10s infinite;
    z-index: 2;
}

#buttonL,
#buttonC,
#buttonA {
    opacity: 0;
}

#buttonL:hover,
#buttonC:hover,
#buttonA:hover {
    opacity: 0.1;
    cursor: pointer;
}

#buttonL:active,
#buttonC:active,
#buttonA:active {
    opacity: 0.2;
}

.watch {
    height: 1000vh;
    background-size: 1200px;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.4) translateY(50px);
    transition: all 0.3s ease;
}
.watch.white {
    background-image: url('img/F-91WB-7A_N.png');
}
.watch.black {
    background-image: url('img/F-91WB-1A_N.png');
}
.watch.blue {
    background-image: url('img/F-91WB-2A1_N.png');
}
.watch.original {
    background-image: url('img/F-91W-1_05.png');
}

.color-selector {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}
.color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid white;
    cursor: pointer;
    padding: 0;
    box-shadow: 0 0 0 2px transparent;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.color-dot:hover {
    transform: scale(1.05);
}
.color-dot.active {
    box-shadow: 0 0 0 2px #333;
}
body.light-on .color-dot.active {
    border-color: #eee;
}
.dot-white {
    background-color: #F1F0EE;
}
.dot-black {
    background-color: #1a1a1a;
}
.dot-blue {
    background-color: #092E73;
}
.dot-original {
    background-color: #555555;
}

.watch > svg {
    width: 190px !important;
    margin-top: -152px;
}

#screen,
#button-a,
#button-c,
#button-l {
    display: none;
}

#display path {
    fill: #0C0F06;
}

@media (max-width: 768px) {
    aside.top-left {
        top: 10px;
        left: 20px;
    }
    aside.top-right {
        top: -5px;
        right: 0px;
    }
    aside.bottom-left {
        bottom: 20px;
        left: 20px;
    }
    h1 {
        font-size: 1.4em;
    }
    .watch {
        transform: scale(1.2) translateY(50px);
    }
}