:root {
    /* Sizes */
    --clock-size: 350px;

    /* Colors */
    --primary-color: #0be7fb;
    --secondary-color: #010b8b;
    --accent-color: #ff6d69;
    --additional-color: #fecc50;
    --light-color: #ffffff;
    --button-text-color: #050514;
    --background-gradient: radial-gradient(circle, #0f0f25, #10133a, #050514);
    --clock-gradient: radial-gradient(circle, #10133a, #0d0d28);

    /* Font */
    font-family: "Poppins", sans-serif;
    font-style: normal;
    font-weight: 400;
}

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

body{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    row-gap: 20px;
    min-height: 100vh;
    background: var(--background-gradient);
}

.buttons-wrapper, .clock-wrapper{
    width: 80vw;
    max-width: var(--clock-size);
}

.buttons-wrapper {
    height: 20vw;
    max-height: 80px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.buttons {
    width: 100px;
    height: 40px;
    cursor: pointer;
    border-radius: 10px;
    border: none;
    font-family: "Poppins", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 18px;
    color: var(--button-text-color);
    position: relative;
    overflow: hidden;
}

.buttons:before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1.5em;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.6);
    transform: translateX(-4em) skewX(-45deg);
}

.buttons:hover:before{
    animation: move-light 0.5s;
}

@keyframes move-light{
    from {
        transform: translateX(-6em) skewX(-45deg);
    }
    to {
        transform: translateX(12em) skewX(-45deg);
    }
}

.button-start{
    background: var(--additional-color);
}

.button-stop{
    background: var(--accent-color);
}

.clock-wrapper{
    height: 80vw;
    max-height: var(--clock-size);
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    padding: 3px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.clock{
    background: var(--clock-gradient);
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    border-radius: 50%;
    padding: 10px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hours {
    position: absolute;
    font-weight: bold;
    font-size: 30px;
    color: var(--primary-color);
}

.hour-marker-9{
    top: calc(50% - 20px);
    left: 10px;
}

.hour-marker-3{
    top: calc(50% - 20px);
    right: 10px;
}

.hour-marker-12{
    top: 10px;
    left: calc(50% - 10px);
}

.hour-marker-6{
    bottom: 10px;
    left: calc(50% - 10px);
}

.clock:before{
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    background-color: var(--light-color);
    border-radius: 50%;
    z-index: 13;
}

.clock .hour-hand-wrapper,
.clock .minute-hand-wrapper,
.clock .second-hand-wrapper{
    position: absolute;
}

.clock .hour-hand-wrapper, .hour-hand{
    width: 160px;
    height: 160px;
}
.clock .minute-hand-wrapper, .minute-hand{
    width: 190px;
    height: 190px;
}
.clock .second-hand-wrapper, .second-hand{
    width: 230px;
    height: 230px;
}

.hour-hand,
.minute-hand,
.second-hand{
    display: flex;
    justify-content: center;
    position: absolute;
    border-radius: 50%;
}

.hour-hand:before,
.minute-hand:before,
.second-hand:before{
    content: '';
    position: absolute;
    border-radius: 6px 6px 0 0;
}

.hour-hand:before{
    width: 8px;
    height: 80px;
    background-color: var(--accent-color);
    z-index: 10;
}

.minute-hand:before{
    width: 4px;
    height: 90px;
    background-color: var(--additional-color);
    z-index: 11;
}

.second-hand:before{
    width: 2px;
    height: 150px;
    background-color: var(--light-color);
    z-index: 12;
}