/* CSS Reset */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }

       

        /* Accessibility */
        .skip-link {
            position: absolute;
            top: -40px;
            left: 0;
            background: var(--accent-color);
            color: white;
            padding: 8px;
            z-index: 1001;
            transition: top 0.2s;
        }

        .skip-link:focus {
            top: 0;
        }

        body {
            background-color: #f8f9fa;
        }

        /* Header Container */
        .header-container {
            width: 100%;
            background-color: white;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
        }

        /* Centered Header Content */
        .header-content {
            max-width: var(--container-width);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            padding: 0 20px;
        }

        .site-logo {
            height: 32px;
            margin-right: 12px;
        }

        .site-name {
            font-size: 20px;
            font-weight: 600;
            color: var(--dark-color);
        }

        /* Navigation */
        .nav-container {
            display: flex;
            align-items: center;
        }

        .main-nav {
            display: flex;
            list-style: none;
        }

        .nav-item {
            position: relative;
            margin-right: 20px;
        }

        .nav-link {
            color: var(--dark-color);
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            padding: 8px 12px;
            transition: color var(--transition-speed);
            display: inline-block;
        }

        .nav-link:hover {
            color: var(--accent-color);
        }

        /* Dropdown Menus */
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            min-width: 200px;
            z-index: 100;
            padding: 12px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all var(--transition-speed);
        }

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

        .dropdown-links {
            list-style: none;
        }

        .dropdown-link {
            display: block;
            padding: 8px 16px;
            color: var(--dark-color);
            text-decoration: none;
            font-size: 14px;
            transition: background-color var(--transition-speed);
        }

        .dropdown-link:hover {
            background-color: rgba(0, 0, 0, 0.05);
            color: var(--accent-color);
        }

        /* Auth Buttons */
        .auth-buttons {
            display: flex;
            margin-left: 20px;
            gap: 10px;
        }

        .auth-button {
            padding: 8px 16px;
            border-radius: 4px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-speed);
        }

        .login-button {
            color: var(--dark-color);
            border: 1px solid var(--border-color);
        }

        .login-button:hover {
            background-color: var(--light-color);
        }

        .submit-button {
            background-color: #27ae60;
            color: white;
        }

        .submit-button:hover {
            background-color: #229954;
        }

        .signup-button {
            background-color: var(--accent-color);
            color: white;
        }

        .signup-button:hover {
            background-color: #2980b9;
        }

        /* Nav Overlay */
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 997;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        /* Mobile Menu */
        .mobile-menu-button {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            z-index: 1001;
            position: relative;
        }

.mobile-menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #333;
    position: relative;
    transition: all 0.3s ease;
}

.mobile-menu-icon::before,
.mobile-menu-icon::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background-color: #333;
    position: absolute;
    transition: all 0.3s ease;
}

.mobile-menu-icon::before {
    top: -8px;
}

.mobile-menu-icon::after {
    top: 8px;
}

.mobile-menu-button[aria-expanded="true"] .mobile-menu-icon {
    background-color: transparent;
}

.mobile-menu-button[aria-expanded="true"] .mobile-menu-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-button[aria-expanded="true"] .mobile-menu-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Responsive Styles */
@media (max-width: 768px) {
    body.menu-open {
        overflow: hidden;
    }

    .mobile-menu-button {
        display: block;
    }

    .nav-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100%;
        background-color: #fff;
        transition: right 0.3s ease-in-out;
        z-index: 999;
        box-shadow: -2px 0 15px rgba(0, 0, 0, 0.1);
        padding: 80px 20px 30px;
        margin: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        display: flex;
        flex-direction: column;
        visibility: hidden;
        opacity: 0;
        transition: all 0.3s ease-in-out;
        box-sizing: border-box;
    }
    
    .nav-container.active {
        right: 0;
        visibility: visible;
        opacity: 1;
    }

    .main-nav {
        flex-direction: column;
        padding: 0;
        margin: 0;
        width: 100%;
        display: block;
    }

    .nav-item {
        margin: 0 0 10px 0;
        position: relative;
        border-bottom: 1px solid #f0f0f0;
        width: 100%;
    }

    .nav-item:last-child {
        border-bottom: none;
    }

    .dropdown {
        transition: max-height var(--transition-speed);
        padding: 0;
        margin-left: 20px;
        max-height: 0;
        overflow: hidden;
        display: block !important;
    }

    .nav-item.active .dropdown {
        max-height: 500px;
        padding: 8px 0;
    }

    .auth-buttons {
        width: 100%;
        margin-left: 0;
        padding: 10px 20px;
        gap: 10px;
        flex-direction: column;
    }

    .auth-button {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .site-name {
        font-size: 18px;
    }

    .site-logo {
        height: 24px;
    }
}