/* =============================================
   MODERN THEME - Navigation Styles
   ============================================= */

/* ===== NAVIGATION BAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 20px 40px;
    background: color-mix(in srgb, var(--lwp-bg-primary) 80%, transparent);
    transition: var(--lwp-transition);
}

.navbar.scrolled {
    background: color-mix(in srgb, var(--lwp-bg-primary) 95%, transparent) !important;
    backdrop-filter: blur(20px) saturate(120%);
    -webkit-backdrop-filter: blur(20px) saturate(120%);
    padding: 14px 40px;
    border-bottom: 1px solid var(--lwp-border);
}

.navbar.scrolled .nav-links {
    opacity: 1;
}

.brand {
    font-family: var(--lwp-font-serif);
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    color: var(--lwp-accent-light);
    letter-spacing: 0.05em;
    transition: var(--lwp-transition);
}

.brand:hover {
    opacity: 0.8;
}

.brand img {
    max-height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
    padding: 8px;
    margin: 0;
    margin-left: auto; /* Pushes the menu to the right */
    transition: var(--lwp-transition);
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    font-family: var(--lwp-font-sans);
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    color: var(--lwp-text-secondary);
    padding: 8px 16px;
    border-radius: var(--lwp-radius-sm);
    transition: var(--lwp-transition);
    display: block;
    text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--lwp-accent-light);
    background: var(--lwp-surface);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background-color: var(--lwp-text-primary);
    border-radius: 2px;
    transition: var(--lwp-transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== SUBMENU (DROPDOWN) ===== */
/* Ensure parent li is positioned relative */
.nav-links > li {
    position: relative;
}

.nav-links .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--lwp-bg-secondary);
    border: 1px solid var(--lwp-border);
    border-radius: var(--lwp-radius-md);
    box-shadow: var(--lwp-shadow-lg);
    padding: 8px 0;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--lwp-transition);
    z-index: 1000;
    /* Ensure it appears above other content */
}

.nav-links li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Position submenus that are nested deeper (grandchildren) */
.nav-links .sub-menu .sub-menu {
    top: 0;
    left: 100%;
    margin-left: 4px;
}

.nav-links .sub-menu li {
    width: 100%;
    position: relative; /* For nested submenus */
}

.nav-links .sub-menu a {
    padding: 10px 20px;
    font-size: 0.85rem;
    white-space: nowrap;
    display: block;
}

.nav-links .sub-menu a:hover {
    background: var(--lwp-surface);
    color: var(--lwp-accent-light);
}

/* Submenu indicator (arrow) */
.menu-item-has-children > a::after {
    content: '▼';
    font-size: 0.6em;
    margin-left: 6px;
    opacity: 0.7;
}

/* Right-align submenu indicator for items with children */
.nav-links > .menu-item-has-children > a::after {
    content: '▼';
}

/* For nested submenus, use a different indicator */
.nav-links .sub-menu .menu-item-has-children > a::after {
    content: '▶';
    float: right;
    margin-top: 4px;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .navbar {
        padding: 16px 24px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--lwp-bg-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 24px 24px;
        gap: 8px;
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--lwp-shadow-lg);
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav-links.open {
        right: 0;
    }
    
    .nav-links a {
        width: 100%;
        padding: 12px 16px;
        font-size: 1rem;
    }
    
    .navbar.scrolled {
        padding: 12px 24px;
    }
}