*{
    padding: 0;
    margin: 0;
    border: 0;
}
*,*:before,*::after{
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
:focus,:active{outline: none;}
a:focus,a:active{outline: none;}

nav,footer,header,aside{display: block;}

html,body{
    height: 100%;
    width: 100%;
    font-size: 100%;
    line-height: 1;
    font-size: 14px;
    -ms-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}
input,button,textarea{font-family: inherit;}

input::-ms-clear{display: none;}
button{cursor: pointer;}
button::-moz-focus-inner{padding: 0; border: 0;}
a,a:visited{text-decoration: none;}
a:hover{text-decoration: none;}
ul li{list-style: none;}
img{vertical-align: top;}

h1,h2,h3,h4,h5,h6{font-size: inherit; font-weight: 400;}


:root { 
    --index: calc(1vw + 1vh);

    --bg-color: #000;
    --font-family: "Courier New", Courier, monospace;
    --text-color: #fff;
    --glitch-color-1: #ff00c8;
    --glitch-color-2: #00fff7;
    --text-size: clamp(2rem, 8vw, 9rem);
    --glitch-size: clamp(6rem, 20vw, 20rem);
}

body {
    background-color: var(--bg-color);
    margin: 0;
    padding: 1rem;
    font-family: var(--font-family);
    color: var(--text-color);
    text-transform: uppercase;
}

.wrapper {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* ===================================================== */

.text {
    font-size: var(--text-size);
}

.glitch {
    font-weight: 700;
    font-size: var(--glitch-size);
    padding: 0 10px;
    position: relative;
    animation: flicker 2s infinite;
}

.glitch::before, .glitch::after {
    content: attr(data-text);  /* (data-text из html) */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    overflow: hidden;
    white-space: nowrap;
    pointer-events: none;
}

.glitch::before {
    color: var(--glitch-color-1);
    z-index: -1;
    animation: glitchTop 0.8s infinite;
}

.glitch::after {
    color: var(--glitch-color-2);
    z-index: -2;
    animation: glitchBottom 0.8s infinite;
}

@keyframes glitchTop {
    0% {transform: translate(0, 0); opacity: 1;}
    20% {transform: translate(-3px, -2px); opacity: 0.8;}
    40% {transform: translate(3px, 2px); opacity: 1;}
    60% {transform: translate(-2px, 1px); opacity: 0.9;}
    80% {transform: translate(2px, -1px); opacity: 1;}
    100% {transform: translate(0, 0); opacity: 1;}
}

@keyframes glitchBottom {
    0% {transform: translate(0, 0); opacity: 1;}
    20% {transform: translate(2px, 2px); opacity: 0.9;}
    40% {transform: translate(-2px, -3px); opacity: 1;}
    60% {transform: translate(1px, -1px); opacity: 0.8;}
    80% {transform: translate(-1px, 6px); opacity: 1;}
    100% {transform: translate(0, 0); opacity: 1;}
}

@keyframes flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
        text-shadow: 
            -6px 6px 1px var(--glitch-color-1),
            6px -6px 1px var(--glitch-color-2);
    }

    20%, 24%, 55% {
        text-shadow: none;
    }
}

/* ===================================================== */

.cube {
    position: relative;
    width: 100px;
    height: 100px;
    transform-style: preserve-3d;
    animation: rotate 5s infinite linear;
}

.face {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    background: rgba(0, 255, 255, 0.7);
    border: 2px solid cyan;
}

.front {
    transform: translateZ(50px);
}

.back {
    transform: rotateY(180deg) translateZ(50px);
}

.top {
    transform: rotateX(90deg) translateZ(50px);
}

.bottom {
    transform: rotateX(-90deg) translateZ(50px);
}

.left {
    transform: rotateY(-90deg) translateZ(50px);
}

.right {
    transform: rotateY(90deg) translateZ(50px);
}

@keyframes rotate {
    0% {
        transform: rotateX(0deg) rotateY(0deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg); 
    }
}

/* ===================================================== */

.container {
    height: 100vh;
    width: 100%;
    background: var(--bg-color);
    display: flex;
    flex-wrap: wrap;
    align-items:center;
    justify-content: center;
    color: var(--bg-color);
    gap: 1.8rem;
    perspective: 1200px;
}

.card {
    width: min(100%, 12rem);
    height: 12rem;
    position: relative;
    text-align: center;
    cursor: pointer;
    transform-style: preserve-3d;
}

.card_inner {
    width: 100%;
    height: 100%;
    position: absolute;
    transform-style: preserve-3d;
    transition: transform 0.8s ease-in-out;
}

.card_front, .card_back {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-weight: bold;
    font-size: clamp(1rem, 5vw, 2rem);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.6);
    backface-visibility: hidden;
}

.card_front {
    background: rgba(255, 255, 255, 0.1)
}

.card_back {
    background: linear-gradient(135deg, #1e90ff, #00c6ff);
    transform: rotateY(180deg);
}

.card:hover .card_inner {
    transform: rotateY(180deg);
}

@media (max-width: 768px) {
    .card {
        width: min(100%, 7rem);
    }
}

@media (max-width: 480px) {
    .card {
        width: min(100%, 6rem);
    }
}

/* ===================================================== */

input {
    display: none;
}

.round {
    background: linear-gradient(270deg, #444, #222);
    border-radius: 135px;
    box-sizing: border-box;
    box-shadow: 0px 0px 0px 8px rgba(0, 0, 0, .1), 
                0px 0px 3px 1px rgba(0, 0, 0, 1), 
                inset 0px 8px 3px -8px rgba(255, 255, 255, .4);
    height: 265px;
    margin: 30px auto;
    padding: 25px;
    width: 265px;
}

.on, .off {
    position: absolute;
    left: 0;
    text-align: center;
    text-shadow: inset 1px 1px 1px black;
    width: 100%;
}

.on {
    color: #636161;
    top: 10px;
    transition: all .1s;
}

.off {
    bottom: 5px;
    transition: all .1s;
    transform: scaleY(.85);
}

.but {
    background-color: #272727;
    border-radius: 400px 400px 400px 400px / 400px 400px 300px 300px;
    /* border-bottom-width: 0px; */
    box-shadow: inset 8px 6px 5px -7px rgba(0, 0, 0, 1), 
                inset -8px 6px 5px -7px rgba(0, 0, 0, 1), 
                inset 0px -3px 2px -2px rgba(200, 200, 200, .5),
                    0 3px 3px -2px rgba(0, 0, 0, 1), 
                inset 0px -230px 60px -200px rgba(255, 255, 255, .2),
                inset 0px 220px 40px -200px rgba(0, 0, 0, .3); 
    display: block;
    font-size: 29px;
    height: 178px;
    position: relative;
    transition: all .2s;
    width: 210px;
}

.back_round {
    background-color: #000;
    background-image: 
        linear-gradient(0deg, transparent 30%, transparent 65%),
        linear-gradient(0deg, rgba(150, 150, 150, 0) 30%, rgba(150, 150, 150, .1) 50%, rgba(150, 150, 150, 0) 70%);
    border-radius: 115px;
    box-shadow: 
        30px 30px 30px -20px rgba(0, 0, 0, .3),
        -30px 30px 30px -20px rgba(0, 0, 0, .3),
        0px 30px 30px 0px rgba(0, 0, 0, .3),
        inset 0px -1px 0px 0px #333;
    box-sizing: border-box;
    height: 215px;
    padding: 4px;
    transition: all .2s;
    width: 210px;
}

input:checked + .back_round .on {
    color: #999;
    top: 10px;
    transform: scaleY(.85);
}

input:checked + .back_round .off {
    color: #bbb;
    bottom: 5px;
    transform: scaleY(1);
}

input:checked + .back_round .but {
    background-image: radial-gradient(55%, 18%, circle closest-corner, rgba(0, 0, 0, .3), rgba(0, 0, 0, 0));
    border-radius: 410px 410px 410px 410px / 310px 310px 410px 410px;
    box-shadow: 
        inset 8px -4px 5px -7px rgba(0, 0, 0, 1),
        inset -8px -4px 5px -7px rgba(0, 0, 0, 1),
        0 -3px 8px -4px rgba(250, 250, 250, .4),
        inset 0px 3px 4px -2px rgba(10, 10, 10, 1),
        inset 0px 280px 40px -200px rgba(0, 0, 0, .2),
        inset 0px -200px 40px -200px rgba(180, 180, 180, .2);
    margin-top: 20px;
}

input:checked + .back_round {
    background-image: 
        linear-gradient(90deg, black 30%, transparent 65%),
        linear-gradient(180deg, rgba(250, 250, 250, 0) 0%, rgba(250, 250, 250, .4) 50%, rgba(150, 150, 150, 0) 100%);
    box-shadow: 
        28px 28px 28px -28px rgba(0, 0, 0, .1),
        -28px 28px 28px -22px rgba(0, 0, 0, .1),
        0px 30px 30px 0px rgba(0, 0, 0, .2),
        inset 0 1px 2px 0 rgba(0, 0, 0, .6);
    padding: 2px 4px;
}

.l, .r {
    margin: 0 auto;
    text-align: center;
} 

.round, #onoff, .back_round, .but, .on, .off {
    user-select: none;
} 

/* ==================================================================== */

img {
    transform: rotateY(180deg);
}

.btn_wrapper {
    position: relative;
    width: 220px;
    height: 56px;
}

.delivery_btn {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 16px 32px 16px 64px;
    font-size: 18px;
    color: #4caf50;
    background-color: white;
    border: 3px solid #4caf50;
    border-radius: 8px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    z-index: 2;
    transition: 
        opacity .3s ease,
        transform 1s,
        color .3s,
        border .3s;
}

.delivery_btn.disabled {
    pointer-events: none;
    cursor: not-allowed;
    color: #848b95;
    border: 3px solid #848b95;
    transform: scale(.9);
}

.icon_circle {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background-color: #4caf50;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all .5s ease;
    z-index: 3;
}

.icon_circle img {
    width: 20px;
    height: 20px;
}

.icon_circle.shrink {
    width: 0 !important;
    height: 0 !important;
    opacity: 0;
}

.btn_text {
    transition: all .4s ease;
}

.btn_text.centered {
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
}

.truck {
    position: absolute;
    left: 0;
    top: 0;
    width: 32px;
    height: 32px;
    z-index: -10;
    opacity: 0;
    pointer-events: none;
    transform: translate(20px, 10px);
}

.truck img {
    width: 32px;
    height: 32px;
}

.truck.animate {
    animation: truckRiseAndDrive 3s ease forwards;
}

@keyframes truckRiseAndDrive {
    0% {
        transform: translate(20px, 10px) scale(1);
        opacity: 0;
        z-index: 0;
    }
    20% {
        transform: translate(20px, -40px) scale(1.5);
        opacity: 1;
        z-index: 0;
    }
    70% {
        transform: translate(250px, -40px) scale(1.5);
        opacity: 1;
        z-index: 0;
    }
    100% {
        transform: translate(250px, -40px) scale(1.5);
        opacity: 0;
        z-index: -10;
    }
}

.check_icon {
    position: absolute;
    right: 16px;
    font-size: 20px;
    opacity: 0;
    transition: opacity .3s ease;
    z-index: 4;
}

.check_icon.visible {
    opacity: 1;
}