.header {
    width: 100%;
    height: 100px;
    background-color: #040b2b;
    color: #ffffff;
    border-bottom: 1px solid #a7a7a7;
}

.header_div {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    margin-top: 7px;
    gap: 8px;
    
}

.logo img {
    width: 40px;
    height: auto;
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 30px;
    color: #ffffff;
}

.navbar {
    margin-top: 30px;
}

.navbar_ul {
    display: flex;
}



.navbar_ul-li {
    margin-right: 40px;
    width: 100px;
    height: 50px;
    transition: background-position-x 0.9s linear;
    text-align: center;


    a {
        font-size: 18px;
        color: #ffffff;
        text-decoration: none;
        transition: all 0.45s;
    }

    &:hover {
        background: url("data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0idXRmLTgiPz4KPHN2ZyB2ZXJzaW9uPSIxLjEi%0D%0AIGlkPSJMYXllcl8xIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhs%0D%0AaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB4PSIwcHgiIHk9IjBweCIKCSB3aWR0%0D%0AaD0iMzkwcHgiIGhlaWdodD0iNTBweCIgdmlld0JveD0iMCAwIDM5MCA1MCIgZW5hYmxlLWJhY2tn%0D%0Acm91bmQ9Im5ldyAwIDAgMzkwIDUwIiB4bWw6c3BhY2U9InByZXNlcnZlIj4KPHBhdGggZmlsbD0i%0D%0Abm9uZSIgc3Ryb2tlPSIjZDk0ZjVjIiBzdHJva2Utd2lkdGg9IjEuNSIgc3Ryb2tlLW1pdGVybGlt%0D%0AaXQ9IjEwIiBkPSJNMCw0Ny41ODVjMCwwLDk3LjUsMCwxMzAsMAoJYzEzLjc1LDAsMjguNzQtMzgu%0D%0ANzc4LDQ2LjE2OC0xOS40MTZDMTkyLjY2OSw0Ni41LDI0My42MDMsNDcuNTg1LDI2MCw0Ny41ODVj%0D%0AMzEuODIxLDAsMTMwLDAsMTMwLDAiLz4KPC9zdmc+Cg==");
        animation: line 1s;

    }

    &:hover a {
        color: #00C4F4;
    }

    &:not(:last-child) {
        margin-right: 30px;
    }
}

@keyframes line {
    0% {
        background-position-x: 390px;
    }
}




.navbar_ul-li:hover {
    color: #00C4F4;

}


.navbar_ul-li:last-child {
    margin-right: 0px;
}


.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.popup-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    
    position: relative;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

form input,
form textarea {
    display: block;
    width: 100%;
    margin-bottom: 12px;
    padding: 10px;
    font-size: 16px;
}

form button[type="submit"] {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

.popup-overlay.active {
    display: flex;
}

:root {
    --text-color: hsla(210, 50%, 85%, 1);
    --shadow-color: hsla(210, 40%, 52%, .4);
    --btn-color: hsl(210, 80%, 42%);
    --bg-color: #141218;
}

.header_btn {
    margin-top: 15px;
    position: relative;
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 30px;
    color: var(--text-color);

    background-color: var(--btn-color);
    box-shadow: var(--shadow-color) 2px 2px 22px;
    border-radius: 4px;
    z-index: 0;
    overflow: hidden;
}

.header_btn::after {
    font-weight: 200;
    top: -30px;
    left: -20px;
}

.header_btn:focus {
    outline-color: transparent;
    box-shadow: var(--btn-color) 2px 2px 22px;
}

.right::after, button::after {
    content: var(--content);
    display: block;
    position: absolute;
    white-space: nowrap;
    padding: 40px 40px;
    pointer-events: none;
}

.right, .left {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
}

.right {
    left: 66%;
}

.left {
    right: 66%;
}

.right::after {
    top: -30px;
    left: calc(-66% - 20px);

    background-color: var(--bg-color);
    color: transparent;
    transition: transform .4s ease-out;
    transform: translate(0, -90%) rotate(0deg)
}

.header_btn:hover .right::after {
    transform: translate(0, -47%) rotate(0deg)
}

.header_btn .right:hover::after {
    transform: translate(0, -50%) rotate(-7deg)
}

.header_btn .left:hover~.right::after {
    transform: translate(0, -50%) rotate(7deg)
}

.header_btn:before {
    content: '';
    pointer-events: none;
    opacity: .6;
    background:
        radial-gradient(circle at 20% 35%, transparent 0, transparent 2px, var(--text-color) 3px, var(--text-color) 4px, transparent 4px),
        radial-gradient(circle at 75% 44%, transparent 0, transparent 2px, var(--text-color) 3px, var(--text-color) 4px, transparent 4px),
        radial-gradient(circle at 46% 52%, transparent 0, transparent 4px, var(--text-color) 5px, var(--text-color) 6px, transparent 6px);

    width: 100%;
    height: 300%;
    top: 0;
    left: 0;
    position: absolute;
    animation: bubbles 5s linear infinite both;
}

@keyframes bubbles {
    from {
        transform: translate();
    }

    to {
        transform: translate(0, -66.666%);
    }
}