/* Navigation Amazon Style - Fully Responsive */
header {
    background: #0f172a !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 10000 !important;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-container {
    background: #0f172a !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 12px 20px !important;
    max-width: 100%;
    position: relative;
    z-index: 10001;
}

.logo {
    color: white !important;
    font-size: clamp(18px, 4vw, 24px) !important;
    font-weight: 700 !important;
    text-decoration: none;
}

.logo i {
    color: #FF9900 !important;
}

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

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

.nav-menu > li > a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    color: white !important;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-menu > li > a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

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

.nav-menu > li:hover > a i.fa-chevron-down {
    transform: rotate(180deg);
}

/* Dropdown Content */
.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: #1e293b;
    min-width: 240px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    border-radius: 12px;
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    margin-top: 8px;
    border: 1px solid rgba(255,255,255,0.1);
}

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

.dropdown-content a {
    display: block;
    padding: 14px 24px;
    color: white;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.dropdown-content a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.dropdown-content a:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
    color: #818cf8;
    padding-left: 28px;
}

.dropdown-content a:hover::before {
    transform: scaleY(1);
}

.dropdown-content a i {
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

/* Badges */
.nav-badge {
    background: #FF9900;
    color: #0F1111;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 700;
    margin-left: 5px;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    position: relative;
    z-index: 10002;
}

.cart-button, .theme-toggle, .chatbot-button {
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.2s;
    position: relative;
    z-index: 10003;
}

.cart-button:hover, .theme-toggle:hover, .chatbot-button:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: scale(1.1);
}

.cart-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: #FF9900;
    color: #0F1111;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 10px;
    font-weight: 700;
    pointer-events: none;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    position: relative;
    z-index: 10004;
}

.mobile-nav-overlay {
    display: none;
}

/* Responsive Breakpoints */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 3px;
    }
    
    .nav-menu > li > a {
        padding: 8px 10px;
        font-size: 13px;
        gap: 5px;
    }
}

@media (max-width: 1024px) {
    .nav-menu > li > a {
        padding: 7px 8px;
        font-size: 12px;
    }
    
    .nav-menu > li > a i:not(.fa-chevron-down) {
        display: none;
    }
}

@media (max-width: 900px) {
    .mobile-menu-btn {
        display: block !important;
    }
    
    nav .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: #0f172a;
        flex-direction: column;
        padding: 80px 0 20px;
        transition: right 0.3s ease;
        overflow-y: auto;
        z-index: 9998;
        gap: 0;
        box-shadow: -2px 0 10px rgba(0,0,0,0.3);
    }
    
    header {
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu > li {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-menu > li > a {
        width: 100%;
        justify-content: space-between;
        padding: 15px 20px;
        font-size: 15px;
        border-radius: 0;
    }
    
    .nav-menu > li > a i:not(.fa-chevron-down) {
        display: inline-block;
    }
    
    .dropdown-content {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 153, 0, 0.1);
        margin: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: none;
        border-radius: 0;
    }
    
    .nav-menu > li.active .dropdown-content {
        max-height: 500px;
    }
    
    .dropdown-content a {
        color: rgba(255, 255, 255, 0.9);
        padding: 12px 20px 12px 40px;
        font-size: 14px;
    }
    
    .dropdown-content a:hover {
        background: rgba(255, 153, 0, 0.2);
        color: #FF9900;
    }
    
    .mobile-nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0,0,0,0.5);
        z-index: 9997;
    }
    
    .mobile-nav-overlay.active {
        display: block;
    }
    
    .nav-actions {
        gap: 5px;
    }
    
    .cart-button, .theme-toggle, .chatbot-button {
        font-size: 16px;
        padding: 6px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 10px 15px !important;
    }
    
    .logo {
        font-size: 16px !important;
    }
    
    .nav-menu {
        width: 260px;
    }
    
    .nav-actions {
        gap: 3px;
    }
}

/* Fix z-index */
.hero, main, section {
    position: relative;
    z-index: 1;
}