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

html {
    user-select: none;
    scroll-behavior: smooth;
}

.cool-load {
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
    background-color: #000000;
    z-index: 1000;
    animation: smash 3s forwards;
}

.preloader {
    position: relative;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 5px solid rgba(0, 61, 228, 0.486);
    border-left-color: rgb(0, 17, 248);
    background: transparent;
    animation: preloader 1s linear infinite;
    margin: 6rem auto;
}

@keyframes preloader {
    from {
        transform: rotate(0);
    }
    to {
        transform: rotate(360deg);
    }
}

.hide {
    animation: smash 3s forwards;
}

@keyframes smash {
    from {
        opacity: 1;
        visibility: visible;
    }
    to {
        opacity: 0;
        visibility: hidden;
    }
}

body {
    background-image: linear-gradient(to right, #00c6ff, #0072ff);
    background-attachment: fixed;
}

.menu {
    position: sticky;
    top: 0;
    background-color: #000;
    width: 100%;
    height: 10vh;
    display: flex;
    justify-content: start;
    align-items: center;
    z-index: 1000;
}

.menu li {
    list-style-type: none;
    margin-left: 60px;
    background-color: #fff;
    padding: 10px 10px;
    align-items: center;
    border-radius: 20px;
}

.menu-link {
    text-decoration: none;
    color: #0072ff;
    padding: 20px 20px;
}

.first-block {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    align-items: center;
    font-size: 18px;
    margin-top: 100px;
}

.robot {
    font-size: 60px;
    padding: 20px 20px;
}

.robot-say {
    padding: 20px 20px;
    font-size: 21px;
}

.show-off {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 60px;
    margin-top: 100px;
}

.bot-images {
    margin: 10px;
    flex-direction: column;
}

.img {
    padding: 20px 60px;
}

.resize {
    width: 200px;
    height: 150px;
}

.detail-box {
    margin: 10px;
    flex-direction: column;
    border-left: 3px solid #000;
    padding: 20px 80px;
}

.box {
    width: 450px;
    background-color: #fff;
    color: #000;
    margin-top: 30px;
    padding: 20px 10px;
    border-radius: 10px;
    box-shadow: 2.5px 2.5px 3.5px 3.5px #000;
    text-transform: uppercase;
}

.text {
    cursor: pointer;
    padding: 10px 10px;
}

#back-to-top {
    position: fixed;
    bottom: 6%;
    right: 4%;
    color: rgb(255, 255, 255);
    font-size: 29px;
    background-color: rgb(14, 76, 247);
    border-radius: 50%;
    display: none;
    width: 60px;
    height: 60px;
    border: none;
    cursor: pointer;
    z-index: 999;
}