/* Navigation Dropdown & Mobile Menu Styles */

/* Burger Menu */
.burger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    margin-left: auto; /* Push burger to right on mobile if nav is hidden */
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background: var(--text-main);
    border-radius: 3px;
    transition: 0.3s;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto; /* Push nav to the right */
}

.main-nav > a {
    color: var(--text-main);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: 0.2s;
    white-space: nowrap;
}

.main-nav > a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary);
}

/* Dropdown Styles */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    color: var(--text-main);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    white-space: nowrap;
}

.dropdown-toggle:after {
    content: '▼';
    font-size: 0.7rem;
    transition: 0.3s;
}

.nav-dropdown:hover .dropdown-toggle:after {
    transform: rotate(180deg);
}

.dropdown-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 200px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text-main);
    transition: 0.2s;
    font-size: 0.95rem;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    padding-left: 1.5rem;
}

/* Mobile Navigation */
@media (max-width: 968px) {
    .burger-menu {
        display: flex;
        position: relative;
        z-index: 1002; /* Ensure above nav */
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(300px, 85vw); /* Responsive width */
        height: 100vh;
        background: var(--card-bg);
        flex-direction: column;
        align-items: stretch;
        padding: 5rem 0 2rem 0;
        transform: translateX(100%); /* Move off-screen */
        /* Delay visibility hide until slide out is done */
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s linear 0.3s;
        visibility: hidden;
        border-left: 1px solid var(--glass-border);
        overflow-y: auto;
        gap: 0;
        z-index: 1001;
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
    }
    
    .main-nav.active {
        transform: translateX(0); /* Bring on-screen */
        /* Make visible immediately when sliding in */
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0s linear 0s;
        visibility: visible;
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
    }
    
    .main-nav > a,
    .nav-dropdown .dropdown-toggle {
        display: flex;
        align-items: center;
        width: 100%;
        padding: 1rem 1.5rem;
        border-radius: 0;
        border-bottom: 1px solid var(--glass-border);
        color: var(--text-main);
        font-size: 1rem;
    }

    .nav-dropdown .dropdown-toggle {
        justify-content: space-between;
    }
    
    .nav-dropdown .dropdown-toggle:after {
        content: '▼';
        font-size: 0.7rem;
        transition: 0.3s;
        transform: rotate(0deg);
        opacity: 0.7;
    }
    
    .nav-dropdown.active .dropdown-toggle:after {
        transform: rotate(180deg);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: rgba(0, 0, 0, 0.2);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
        padding: 0;
    }
    
    .nav-dropdown.active .dropdown-menu {
        max-height: 500px;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .dropdown-menu a {
        padding: 0.75rem 2rem 0.75rem 2.5rem; /* Increased indent */
        font-size: 0.95rem;
        border-left: 2px solid transparent;
    }

    .dropdown-menu a:hover {
        background: rgba(255, 255, 255, 0.03);
        border-left-color: var(--primary);
        padding-left: 2.75rem;
    }
}

/* Mobile Overlay */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s;
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}