html {
    background: #000;
    overflow-x: hidden;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow: hidden;
}

::-webkit-scrollbar {
    width: 10px;
    scroll-behavior: smooth;
    background-color: transparent;
    border-radius: 20px;
}

::-webkit-scrollbar-track {
    background-color: transparent;
    scroll-behavior: smooth;
    border-radius: 20px;
}

::-webkit-scrollbar-thumb {

    background: red;
    border: 3px solid #000;
    border-radius: 20px;
    scroll-behavior: smooth;
}

.centr {
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
    height: 100%;
    color: red;
    font-size: 400px;
    transition: all .5s ease;
}

.preloader {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 999;
    transition: .5s all ease-out;
    opacity: 1;
    visibility: visible;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loader {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: red;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}

.loader:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: red;
    -webkit-animation: spin 3s linear infinite;
    animation: spin 3s linear infinite;
}

.loader:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: red;
    -webkit-animation: spin 1.5s linear infinite;
    animation: spin 1.5s linear infinite;
}

#loader {
    animation: spina 1.5s linear infinite;
}


@-webkit-keyframes spin {
    0% {
        -webkit-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes spina {
    0% {
        -webkit-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

.done {
    opacity: 0;
    visibility: hidden;
}

.nevri {
    position: fixed;
    right: 10px;
    top: 10px;
    background: #000;
    width: 210px;
    height: 50px;
    border-radius: 10px;
    z-index: 4;
    border: 3px solid red;
    opacity: 1;
}

.nevri h1 {
    position: absolute;
    font-size: 25px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: red;
}

.nevra {
    position: fixed;
    left: 10px;
    top: 10px;
    background: #000;
    width: 210px;
    height: 50px;
    border-radius: 10px;
    z-index: 4;
    border: 3px solid red;
    opacity: 1;
    display: flex;
    font-size: 30px;
    color: red;
    transition: all .5s ease;

}

.glitch {
    text-decoration: none;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: red;
}

.glitch:before,
.glitch:after {
    display: block;
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0.8;
}

.glitch:before {
    animation: glitch-it 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) both infinite;
    color: red;
    z-index: -1;
}

.glitch:after {
    animation: glitch-it 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94) reverse both infinite;
    color: #000000;
    z-index: -2;
}

@keyframes glitch-it {
    0% {
        transform: translate(0);
    }

    20% {
        transform: translate(-2px, 2px);
    }

    40% {
        transform: translate(-2px, -2px);
    }

    60% {
        transform: translate(2px, 2px);
    }

    80% {
        transform: translate(2px, -2px);
    }

    to {
        transform: translate(0);
    }
}

.start {
    position: relative;
    width: 100%;
    height: 100vh;
    background: linear-gradient(120deg, #000 50%, red 50%);
    font-size: 50px;
    animation: stap 1.5s ease infinite;
    opacity: 1;
    border: none;

}

@keyframes stap {
    0% {
        background: linear-gradient(120deg, #000 50%, red 50%);
        border: none;


    }

    25% {
        background: linear-gradient(90deg, #000 50%, red 50%);
        border: 5px solid red;


    }

    50% {
        background: linear-gradient(-120deg, #000 50%, red 50%);
        border: 10px solid red;

    }


    75% {
        background: linear-gradient(-90deg, #000 50%, red 50%);
        border: 5px solid red;


    }

    100% {
        background: linear-gradient(120deg, #000 50%, red 50%);
        border: none;
    }
}

.spa2 {
    color: transparent;
    -webkit-text-stroke: 3px red;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.bun {
    position: relative;
    width: 100%;
    height: 250px;
    background: #000;
    border: 10px solid red;
    top: 100px;
}

.bun span {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    white-space: nowrap;
    color: red;
}

.comain {
    position: relative;
    width: 100%;
    height: 400px;
    background: transparent;
    color: red;
    overflow: hidden;
    top: 200px;
}

.comain p {
    position: absolute;
    z-index: 3;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    font-size: 40px;
    -webkit-text-stroke: 1px #000;
}

.comain p::first-letter {
    font-size: 70px;
    font-weight: bold;
    text-shadow:
        0 0 5px #ff0000,
        0 0 10px #ff0000,
        0 0 20px #ff0000,
        0 0 30px #ff0000,
        0 0 40px #ff0000,
        0 0 55px #ff0000,
        0 0 70px #ff0000;
}

.form {
    position: relative;
    top: 400px;
    width: 100%;
    height: 2500px;
    background: none;
}

.forad {
    position: absolute;
    font-size: 100px;
    color: red;
    -webkit-text-stroke: 3px #000;
    left: 50%;
    top: 0;
    transform: translate(-50%);
    top: -250px;
}

.por {
    position: relative;
    width: 100%;
    height: 500px;
    background: #000;
    margin-top: 200px;
    z-index: 0;
    overflow: hidden;
    color: red;
    border-radius: 20px;
}

.por::before {
    content: '';
    position: absolute;
    z-index: -2;
    left: -50%;
    top: -50%;
    width: 200%;
    height: 200%;
    background-repeat: no-repeat;
    background-size: 50% 50%, 50% 50%;
    background-position: 0 0, 100% 0, 100% 100%, 0 100%;
    background-image: linear-gradient(red, red), linear-gradient(#000, #000), linear-gradient(red, red), linear-gradient(#000, #000);
    animation: rotatepo 4s linear infinite;
}

@keyframes rotatepo {
    100% {
        transform: rotate(1turn);
    }
}

.por::after {
    content: '';
    position: absolute;
    z-index: -1;
    left: 6px;
    top: 6px;
    width: calc(100% - 12px);
    height: calc(100% - 12px);
    background: #000;
    border-radius: 5px;
}

.por1 h1 {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 90px;
}

.por1 i {
    position: absolute;
    right: 0;
    top: 0;
    font-size: 120px;
}

.por2 h1 {
    position: absolute;
    right: 0;
    top: 0;
    font-size: 90px;
}

.por2 i {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 120px;
}

.por p {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 38px;
}

.tha {
    position: relative;
    width: 100%;
    height: 300px;
    background: red;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    color: #000;
    border: 5px solid #000;
    margin-bottom: 200px;
}

.coha {
    position: relative;
    width: 100%;
    height: 400px;
    background: #000;
    border-top: 5px solid red;
    transition: all .5s ease;
}

.coha h1 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 350px;
    color: red;
    opacity: .2;
    white-space: nowrap;
    transition: all .5s ease;

}

.coha p {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%);
    color: red;
    transition: all .5s ease;
}

.cohdiva {
    position: absolute;
    background: red;
    width: 300px;
    height: 300px;
    transition: all .5s ease;
    border-radius: 76% 24% 74% 26% / 40% 62% 38% 60%;
    color: #000;
    border: 3px solid red;
}

.cohdiva i {
    position: absolute;
    font-size: 120px;
    left: 50%;
    top: 35%;
    transform: translate(-50%, -50%);
}

.cohdiva h2 {
    position: absolute;
    font-size: 40px;
    left: 50%;
    top: 70%;
    transform: translate(-50%, -50%);

}

.inst {
    left: 0;
    top: 50%;
    transform: translate(0%, -50%);
}

.codp {
    right: 0;
    top: 50%;
    transform: translate(0%, -50%);
}

.stem {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.stem:hover {
    top: 45%;
}

.codp:hover {
    top: 45%;
}

.inst:hover {
    top: 45%;
}

.cohdiva:hover {
    background: #000;
    color: red;
    border-radius: 76% 24% 74% 26% / 40% 62% 38% 60%;
    border: 3px solid rgba(255, 0, 0, 0.4);
}