/* ============================================================
   Mobile Navigation — Hamburger menu + slide-in overlay
   Breakpoints: 1024px (reduce gap) | 768px (hamburger) | 480px (small phone)
   ============================================================ */

/* Hamburger button — hidden on desktop, injected via JS */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 250;
    -webkit-tap-highlight-color: transparent;
}

.hamburger-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: #e0e0e0;
    margin: 4px 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    border-radius: 1px;
}

/* Backdrop overlay */
.mobile-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 199;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}
.mobile-backdrop.active {
    display: block;
}

/* ── Tablet: reduce nav gap ── */
@media (max-width: 1024px) {
    .nav-links {
        gap: 1rem !important;
    }
    .nav-search-input {
        width: 160px !important;
    }
}

/* ── Mobile: hamburger menu ── */
@media (max-width: 768px) {
    .hamburger-btn {
        display: flex;
    }

    /* Hamburger → X animation */
    .hamburger-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .hamburger-btn.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* Nav slides in from right */
    .nav-links {
        position: fixed !important;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        height: 100dvh;
        background: rgba(10, 10, 10, 0.98) !important;
        flex-direction: column !important;
        padding: 80px 1.5rem 2rem !important;
        gap: 0 !important;
        transition: right 0.3s ease;
        z-index: 200;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-left: 1px solid #333;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
    }

    .nav-links.mobile-open {
        right: 0;
    }

    /* Nav items stack vertically */
    .nav-links li {
        width: 100%;
        border-bottom: 1px solid rgba(203, 213, 225, 0.2);
    }

    .nav-links li a {
        display: flex !important;
        align-items: center;
        padding: 14px 0 !important;
        font-size: 1rem !important;
        min-height: 44px;
        color: #ccc;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
        color: #36d0ea;
    }

    /* Search input full width */
    .nav-search {
        order: -1;
        padding-bottom: 16px !important;
        border-bottom: 1px solid rgba(203, 213, 225, 0.3) !important;
        margin-bottom: 8px;
    }

    .nav-search-input,
    .nav-search-input:focus {
        width: 100% !important;
    }

    /* Search results dropdown */
    .search-results {
        position: static !important;
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        margin-top: 8px;
    }

    /* Dropdown menus: disable hover, use click toggle */
    .nav-dropdown:hover .nav-dropdown-menu {
        display: none !important;
    }

    .nav-dropdown-menu {
        position: static !important;
        transform: none !important;
        display: none !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        padding: 0 0 0 1rem !important;
        min-width: 0 !important;
    }

    .nav-dropdown.open .nav-dropdown-menu {
        display: block !important;
    }

    .nav-dropdown-menu li {
        border-bottom: none;
    }

    .nav-dropdown-menu a {
        padding: 10px 0 !important;
        font-size: 0.9rem !important;
        color: #999 !important;
    }

    .nav-dropdown-menu a:hover {
        color: #36d0ea !important;
    }

    /* Dropdown toggle arrow */
    .nav-dropdown-toggle {
        display: flex !important;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        min-height: 44px;
    }

    .nav-dropdown-toggle::after {
        content: '';
        display: inline-block;
        width: 8px;
        height: 8px;
        border-right: 2px solid #666;
        border-bottom: 2px solid #666;
        transform: rotate(45deg);
        transition: transform 0.2s ease;
        margin-left: auto;
    }

    .nav-dropdown.open .nav-dropdown-toggle::after {
        transform: rotate(-135deg);
    }

    /* Language selector */
    .lang-selector,
    .lang-toggle {
        padding: 14px 0 !important;
    }

    /* Hide notification badge overflow */
    .nav-links .badge {
        position: static;
    }
}

/* ── Small phone ── */
@media (max-width: 480px) {
    .nav-links {
        width: 100% !important;
        max-width: 100% !important;
        padding: 70px 1rem 2rem !important;
    }

    .header-container {
        padding: 0 1rem !important;
    }

    .logo-text {
        font-size: 1.2rem !important;
    }
}