Prémium animált hamburger

.premium-hamburger {
    position: relative;
    z-index: 100;

    width: 64px;
    height: 64px;

    padding: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;

    border: 1px solid rgba(46, 204, 113, 0.4);
    border-radius: 18px;

    background: rgba(8, 13, 19, 0.9);

    cursor: pointer;

    box-shadow:
        0 0 20px rgba(46, 204, 113, 0.08),
        inset 0 0 20px rgba(46, 204, 113, 0.04);

    transition:
        border-color 0.3s ease,
        box-shadow 0.3s ease,
        background 0.3s ease;
}

.premium-hamburger:hover {
    border-color: rgba(46, 204, 113, 0.8);

    box-shadow:
        0 0 28px rgba(46, 204, 113, 0.2),
        inset 0 0 20px rgba(46, 204, 113, 0.06);
}

.premium-hamburger span {
    display: block;

    width: 25px;
    height: 2px;

    border-radius: 5px;

    background: #2ecc71;

    transition:
        transform 0.35s ease,
        opacity 0.25s ease,
        width 0.35s ease;
}

.premium-hamburger span:nth-child(2) {
    width: 17px;
    align-self: flex-end;
    margin-right: 19px;
}

.premium-hamburger.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.premium-hamburger.open span:nth-child(2) {
    opacity: 0;
    width: 25px;
}

.premium-hamburger.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.premium-hamburger-menu {
    position: absolute;
    top: 82px;
    right: 0;
    z-index: 90;

    width: 330px;

    padding: 14px;

    background: rgba(7, 12, 18, 0.96);

    border: 1px solid rgba(46, 204, 113, 0.2);
    border-radius: 22px;

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.45),
        0 0 35px rgba(46, 204, 113, 0.07);

    opacity: 0;
    visibility: hidden;

    transform: translateY(-18px) scale(0.96);
    transform-origin: top right;

    transition:
        opacity 0.35s ease,
        visibility 0.35s ease,
        transform 0.35s ease;
}

.premium-hamburger-menu::before {
    content: "";

    position: absolute;
    top: -6px;
    right: 23px;

    width: 11px;
    height: 11px;

    background: #070c12;

    border-left: 1px solid rgba(46, 204, 113, 0.2);
    border-top: 1px solid rgba(46, 204, 113, 0.2);

    transform: rotate(45deg);
}

.premium-hamburger-menu a {
    position: relative;

    min-height: 64px;

    display: grid;
    grid-template-columns: 34px 1fr 20px;
    align-items: center;
    gap: 10px;

    padding: 0 14px;

    color: #768291;

    text-decoration: none;

    border-bottom: 1px solid rgba(255, 255, 255, 0.06);

    transition:
        color 0.3s ease,
        padding-left 0.3s ease,
        background 0.3s ease;
}

.premium-hamburger-menu a:last-child {
    border-bottom: 0;
}

.premium-hamburger-menu a::before {
    content: "";

    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;

    width: 2px;

    background: #2ecc71;

    transform: scaleY(0);

    transition: transform 0.3s ease;

    box-shadow: 0 0 10px rgba(46, 204, 113, 0.7);
}

.premium-hamburger-menu a:hover {
    color: #ffffff;
    padding-left: 20px;
    background: rgba(46, 204, 113, 0.04);
}

.premium-hamburger-menu a:hover::before {
    transform: scaleY(1);
}

.premium-hamburger-menu small {
    color: #3f4a56;

    font-family: monospace;
    font-size: 10px;
    letter-spacing: 1px;

    transition: color 0.3s ease;
}

.premium-hamburger-menu a:hover small {
    color: #2ecc71;
}

.premium-hamburger-menu span {
    font-size: 14px;
    letter-spacing: 0.4px;
}

.premium-hamburger-menu i {
    font-size: 13px;

    opacity: 0;
    transform: translate(-5px, 5px);

    transition:
        opacity 0.3s ease,
        transform 0.3s ease,
        color 0.3s ease;
}

.premium-hamburger-menu a:hover i {
    color: #2ecc71;
    opacity: 1;
    transform: translate(0, 0);
}

.premium-hamburger-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

@media (max-width: 500px) {
    .premium-hamburger-menu {
        right: 15px;
        width: calc(100vw - 30px);
    }
}

document.querySelectorAll(".premium-hamburger").forEach(toggle => {

    const menu = toggle.nextElementSibling;

    toggle.addEventListener("click", event => {
        event.stopPropagation();

        toggle.classList.toggle("open");
        menu.classList.toggle("open");
    });

    menu.addEventListener("click", event => {
        event.stopPropagation();
    });

    document.addEventListener("click", () => {
        toggle.classList.remove("open");
        menu.classList.remove("open");
    });

});