/* Submenu / Dropdown Menu Styles */

.main-nav {
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    position: relative;
    z-index: 100;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 5px;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border-radius: 4px;
}

.nav-menu > li > a:hover {
    background: #f8f9fa;
    color: #2874f0;
}

.nav-menu > li > a i {
    font-size: 10px;
    transition: transform 0.3s;
}

/* Submenu Styles */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    min-width: 200px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 10px 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000;
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.has-submenu:hover > a i {
    transform: rotate(180deg);
}

.submenu li {
    margin: 0;
}

.submenu li a {
    display: block;
    padding: 10px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 14px;
}

.submenu li a:hover {
    background: #f8f9fa;
    color: #2874f0;
    padding-left: 25px;
}

/* Active Menu Item */
.nav-menu > li.active > a {
    color: #2874f0;
    background: #f0f7ff;
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        display: none;
        background: #fff;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        max-height: 80vh;
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu > li {
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu > li > a {
        padding: 15px 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    /* Submenu in mobile */
    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #f8f9fa;
        display: none;
        margin: 0;
        border-radius: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .has-submenu.open .submenu {
        display: block;
        max-height: 500px;
        padding: 5px 0;
    }
    
    .has-submenu > a {
        display: flex;
        justify-content: space-between;
        position: relative;
    }
    
    .has-submenu > a i {
        transition: transform 0.3s;
    }
    
    .has-submenu.open > a i {
        transform: rotate(180deg);
    }
    
    .submenu li {
        border-bottom: 1px solid #e0e0e0;
    }
    
    .submenu li:last-child {
        border-bottom: none;
    }
    
    .submenu li a {
        padding: 12px 20px 12px 40px;
        background: #f8f9fa;
        display: block;
        position: relative;
    }
    
    .submenu li a::before {
        content: '→';
        position: absolute;
        left: 20px;
        color: #2874f0;
    }
    
    .submenu li a:hover {
        padding-left: 45px;
        background: #e9ecef;
    }
    
    /* Mobile menu toggle button */
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 24px;
        cursor: pointer;
        color: #333;
        padding: 10px;
    }
    
    /* Hide submenu arrow before on mobile */
    .submenu::before {
        display: none;
    }
}

/* Mega Menu Support (Optional) */
.mega-menu {
    width: 100%;
    left: 0;
    right: 0;
    max-width: 1200px;
    margin: 0 auto;
}

.mega-menu .submenu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

/* Submenu Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.has-submenu:hover .submenu {
    animation: slideDown 0.3s ease-out;
}

/* Mobile submenu slide animation */
@media (max-width: 768px) {
    @keyframes mobileSlideDown {
        from {
            max-height: 0;
            opacity: 0;
        }
        to {
            max-height: 500px;
            opacity: 1;
        }
    }
    
    .has-submenu.open .submenu {
        animation: mobileSlideDown 0.3s ease-out;
    }
}

/* Submenu Arrow Indicator */
.submenu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 20px;
    width: 12px;
    height: 12px;
    background: #fff;
    transform: rotate(45deg);
    box-shadow: -2px -2px 4px rgba(0,0,0,0.05);
}

/* Mobile: Hide arrow */
@media (max-width: 768px) {
    .submenu::before {
        display: none;
    }
}

/* Hover Effects */
.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #2874f0;
    transition: all 0.3s;
    transform: translateX(-50%);
}

.nav-menu > li > a:hover::after,
.nav-menu > li.active > a::after {
    width: 80%;
}

/* Submenu Divider */
.submenu li + li {
    border-top: 1px solid #f0f0f0;
}

/* Submenu Icons (if needed) */
.submenu li a i {
    margin-right: 8px;
    color: #2874f0;
    font-size: 12px;
}