#site-header {
    background: #0f0037;
    width: 100%;
    display: flex;
    box-shadow: 0 4px 20px 0 #bd6fd540;
    position: fixed;
    height: 60px;
    z-index: 10;
    top: 0;
}

.header__container {
    max-width: 860px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 100px;
}

.header__menu ul {
    list-style: none;
    display: flex;
    width: 100%;
    margin: 0;
    padding: 0;
    justify-content: space-between;
}

.header__menu ul li a,
.header__menu ul li .menu-item__label {
    color: #fff;
    font-size: 12px;
    line-height: 18px;
    font-family: Poppins, sans-serif;
    letter-spacing: 0;
    display: flex;
}

/* Placeholder items (URL "#") rendered as plain, non-clickable elements */
.header__menu ul li .menu-item__label {
    cursor: default;
    user-select: none;
}

.header__menu {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    width: 100%;
}

.header__menu a {
    text-decoration: none;
}

.header__menu ul li {
    position: relative;
}

.header__menu ul .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: -5px;
    padding: 8px 0;
    background: #0f0037;
    min-width: 180px;
    max-width: none;
    width: -moz-max-content;
    width: max-content;
    box-shadow: 0 4px 20px 0 #bd6fd540;
    z-index: 100;
    flex-direction: column;
    justify-content: flex-start;
}

.header__menu ul li:hover > .sub-menu,
.header__menu ul li:focus-within > .sub-menu {
    display: flex;
}

.header__menu ul .sub-menu li a,
.header__menu ul .sub-menu li .menu-item__label {
    padding: 6px 16px;
    white-space: nowrap;
    display: block;
}

/* Nested sub-menus (3rd level and deeper) fly out to the side */
.header__menu ul .sub-menu .sub-menu {
    top: -8px;
    left: 100%;
}


/* Indicator: nested parents get a right caret pointing to the flyout */
.header__menu ul .sub-menu li.menu-item-has-children > a,
.header__menu ul .sub-menu li.menu-item-has-children > .menu-item__label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.header__menu ul .sub-menu li.menu-item-has-children > a::after,
.header__menu ul .sub-menu li.menu-item-has-children > .menu-item__label::after {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(-45deg);
    flex-shrink: 0;
}

.header__menu a:not(.custom-button):hover {
    text-shadow: 1px 0 0 #fff;
    opacity: 0.5;
}

.gradient-border.header__button:hover {
    opacity: 1 !important;
}

.header__menu ul li {
    position: relative;
    text-transform: capitalize;
}

.header__logo {
    display: flex;
}

/* Burger menu (mobile) */
.header__burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 101;
}

.header__burger span {
    display: block;
    height: 2px;
    width: 100%;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 860px) {
    .header__container {
        gap: 16px;
        padding: 0 16px;
    }

    .header__burger {
        display: flex;
    }

    .header__menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 24px 16px;
        background: #0f0037;
        box-shadow: 0 4px 20px 0 #bd6fd540;
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }

    .header__toggle:checked ~ .header__menu {
        transform: translateY(0);
    }

    .header__menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .header__menu ul .sub-menu {
        position: static;
        box-shadow: none;
        padding: 4px 0 4px 16px;
    }

    /* Tap-toggle submenus on mobile */
    .header__menu ul li:focus-within > .sub-menu {
        display: flex;
    }

    /* Caret on every parent (incl. top level) so nested menus are visible */
    .header__menu ul li.menu-item-has-children > a,
    .header__menu ul li.menu-item-has-children > .menu-item__label {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 8px;
    }

    .header__menu ul li.menu-item-has-children > a::after,
    .header__menu ul li.menu-item-has-children > .menu-item__label::after {
        content: "";
        display: inline-block;
        width: 6px;
        height: 6px;
        border-right: 1.5px solid currentColor;
        border-bottom: 1.5px solid currentColor;
        transform: rotate(45deg);
        flex-shrink: 0;
        transition: transform 0.2s;
    }

    /* Rotate caret to point up when its submenu is open */
    .header__menu ul li.menu-item-has-children:focus-within > a::after,
    .header__menu ul li.menu-item-has-children:focus-within > .menu-item__label::after {
        transform: rotate(-135deg);
    }

    /* Animate burger to an X when open */
    .header__toggle:checked ~ .header__burger span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .header__toggle:checked ~ .header__burger span:nth-child(2) {
        opacity: 0;
    }

    .header__toggle:checked ~ .header__burger span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}