* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            padding-top: 80px;
        }

        header {
            /* background: linear-gradient(135deg, #FFA500 0%, #FF0000 50%, #008000 100%); */
            background-color: #E85B2A;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: all 0.3s ease;
            height:70px;
        }

        header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }

        .header-container {
            max-width: 1200px;
            margin: -35px auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 2rem;
            align-items: center;
            
        }

        nav ul li {
            position: relative;
        }

        nav ul li a {
            text-decoration: none;
            color: #fff;
            font-weight: 500;
            padding: 0.5rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: color 0.3s;
            
        }

        nav ul li a:hover {
            color: #f0f0f0;
        }

        /* Dropdown arrow */
        nav ul li.has-dropdown > a::after {
            content: '▼';
            font-size: 0.7rem;
            transition: transform 0.3s;
        }

        nav ul li.has-dropdown:hover > a::after {
            transform: rotate(180deg);
        }

        /* Dropdown styles */
        nav ul li ul {
            position: absolute;
            top: 100%;
            left: 0;
            background: #E85B2A;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            /* border-radius: 8px; */
            min-width: 400px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            padding: 0.5rem 0;
            flex-direction: column;
            gap: 0;
        }

        nav ul li:hover > ul {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        nav ul li ul li {
            width: 100%;
        }

        nav ul li ul li a {
            padding: 0.75rem 1.5rem;
            border-radius: 0;
            border-bottom: 1px solid #BFBFBF;
        }

        nav ul li ul li a::after {
            display: none;
        }

        nav ul li ul li a:hover {
            background: rgba(0,0,0,0.1);
        }

        /* Hamburger menu */
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            width: 30px;
            height: 24px;
            position: relative;
            z-index: 1001;
        }

        .menu-toggle span {
            width: 100%;
            height: 3px;
            background: #fff;
            border-radius: 3px;
            transition: all 0.3s ease;
            position: absolute;
        }

        .menu-toggle span:nth-child(1) {
            top: 0;
        }

        .menu-toggle span:nth-child(2) {
            top: 50%;
            transform: translateY(-50%);
        }

        .menu-toggle span:nth-child(3) {
            bottom: 0;
        }

        /* Active hamburger (X) */
        .menu-toggle.active span:nth-child(1) {
            top: 50%;
            transform: translateY(-50%) rotate(45deg);
        }

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

        .menu-toggle.active span:nth-child(3) {
            bottom: 50%;
            transform: translateY(50%) rotate(-45deg);
        }

        /* Demo content */
        .content {
            padding: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .content h1 {
            margin-bottom: 1rem;
            color: #333;
        }

        .content p {
            line-height: 1.6;
            margin-bottom: 1rem;
            color: #666;
        }

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

            nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 100%;
                height: 100vh;
                background: #E85B2A;
                transition: right 0.3s ease;
                padding-top: 80px;
            }

            nav.active {
                right: 0;
            }

            nav ul {
                flex-direction: column;
                gap: 0;
                width: 100%;
                align-items: stretch;
            }

            nav ul li {
                width: 100%;
                border-bottom: 1px solid #BFBFBF;
            }

            nav ul li a {
                padding: 1rem 2rem;
                justify-content: space-between;
            }

            nav ul li ul {
                position: static;
                opacity: 0.7;
                visibility: visible;
                transform: none;
                box-shadow: none;
                background-color: rgba(232, 91, 42, 0.8);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
                border-radius: 0;
            }

            nav ul li.dropdown-open > ul {
                max-height: 500px;
            }

            nav ul li ul li a {
                padding-left: 3rem;
            }

            nav ul li.has-dropdown > a::after {
                transition: transform 0.3s;
            }

            nav ul li.dropdown-open > a::after {
                transform: rotate(180deg);
            }
        }