/* Base Reset */
.main-nav ul, .menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* Navigation container */
.main-nav {
    background: #002b5c;
    border-bottom: 3px solid #005caa;
    position: relative;
}

/* Nav container wrapper */
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 15px;
}

/* Menu */
.menu {
    display: flex;
    gap: 20px;
}

.menu li {
    position: relative;
}

.menu li a {
    display: block;
    padding: 15px 12px;
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    white-space: nowrap;
    transition: 0.3s;
}

.menu li a:hover {
    background: #005caa;
    border-radius: 5px;
}

/* Desktop Submenu */
.menu li ul.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    display: none;
    min-width: 200px;
    flex-direction: column;
    background: #003b80;
    border-radius: 5px;
    padding: 8px 0;
    z-index: 999;
}

.menu li:hover > ul.sub-menu {
    display: block;
}

/* Sub-submenus */
.menu li ul.sub-menu li ul.sub-menu {
    left: 100%;
    top: 0;
}

/* Hamburger Icon */
.nav-toggle {
    display: none;
    flex-direction: column;
    width: 30px;
    height: 22px;
    justify-content: space-between;
    cursor: pointer;
    background: none;
    border: none;
}

.nav-toggle span {
    height: 4px;
    width: 100%;
    background: white;
    border-radius: 4px;
}

/* Mobile Menu */
@media (max-width: 900px) {
    .menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #002b5c;
        border-top: 2px solid #005caa;
    }

    .menu.active {
        display: flex;
    }

    .menu li a {
        padding: 14px;
        border-bottom: 1px solid #003b80;
    }

    /* Submenu mobile */
    .menu li ul.sub-menu {
        display: none;
        position: static;
        margin-left: 15px;
        flex-direction: column;
        background: #003b80;
    }

    .menu li.open > ul.sub-menu {
        display: flex;
    }

    /* Arrow indicator for submenu */
    .menu li.menu-item-has-children > a::after {
        content: " ▼";
        font-size: 12px;
        float: right;
    }

    /* Show hamburger */
    .nav-toggle {
        display: flex;
    }
}