/* Fixed Navigation — Desktop & Top-Bar */
.navbar-desktop {
    background: transparent;
    backdrop-filter: none;
    border-bottom: 1px solid transparent;
    padding: 1.2rem 2rem;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
}
.navbar-desktop.scrolled {
    background: var(--bg-navbar);
    backdrop-filter: blur(15px) saturate(1.8);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.6rem 2rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
[data-theme="light"] .navbar-desktop.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.mobile-topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-navbar);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
    transition: 0.3s;
}
.mobile-topbar.scrolled {
    background: var(--bg-navbar);
    border-bottom-color: var(--primary-red);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

/* Nav & Language Items */
.glass-dropdown {
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 0.6rem;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
    margin-top: 10px;
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.glass-dropdown .dropdown-item {
    color: var(--text-primary);
    border-radius: 10px;
    padding: 0.7rem 1.2rem;
    font-weight: 500;
    transition: 0.2s;
}
.glass-dropdown .dropdown-item:hover {
    background: var(--primary-red);
    color: white; transform: translateX(5px);
}
.glass-dropdown .dropdown-item.active { background: var(--primary-red); color: white; }

/* Buttons & Toggles */
.theme-toggle-btn {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-primary);
    width: 40px; height: 40px;
    border-radius: 50%;
    font-size: 1.1rem;
    cursor: pointer; transition: all 0.3s;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.theme-toggle-btn:hover { background: var(--primary-red); border-color: var(--primary-red); color: white; }
[data-theme="light"] .theme-toggle-btn { background: rgba(0,0,0,0.05); border-color: rgba(0,0,0,0.1); color: #1a1a2e; }

/* Mobile Menu Button */
.menu-toggle-btn {
    background: rgba(0,0,0,0.7);
    border: 1px solid var(--primary-red);
    color: white;
    width: 44px; height: 44px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
/* Mega Menu Dropdown Support */
@media (min-width: 992px) {
    .mega-dropdown:hover > .mega-menu-content {
        display: block !important;
        opacity: 1;
        visibility: visible;
        transform: translate(-50%, 0);
        pointer-events: auto;
    }
}

.mega-menu-content {
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    width: 95vw;
    max-width: 1000px;
    left: 50% !important;
    transform: translate(-50%, 15px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 30px 70px rgba(0,0,0,0.6);
    margin-top: 5px;
    padding: 0 !important;
    overflow: hidden;
    z-index: 1001;
}

.mega-category-box {
    padding: 1.2rem;
    transition: transform 0.3s;
}

.mega-category-box:hover {
    transform: translateY(-5px);
}

.mega-title {
    color: var(--primary-red);
    font-weight: 800;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--border-subtle);
    padding-bottom: 8px;
}

.mega-links li {
    margin-bottom: 0.6rem;
}

.mega-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: 0.2s;
    display: block;
    opacity: 0.8;
}

.mega-links a:hover {
    color: var(--primary-red);
    transform: translateX(6px);
    opacity: 1;
}

.badge-new {
    background: var(--primary-red);
    color: white;
    font-size: 0.6rem;
    padding: 1px 5px;
    border-radius: 3px;
    margin-left: 8px;
    font-weight: 800;
    text-transform: uppercase;
}

.mega-promo-card {
    background: linear-gradient(135deg, rgba(227, 27, 35, 0.1), rgba(0,0,0,0.2));
    border: 1px solid var(--border-subtle);
    border-radius: 22px;
    padding: 1.8rem;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.mega-promo-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(227,27,35,0.1) 0%, transparent 70%);
}

.mega-promo-card h5 {
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: white;
}

.icon-flash {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 0 10px var(--primary-red));
}