body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: #f8f9fa;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            margin: 0;
        }

        main {
            flex: 1;
        }

        .navbar {
            background-color: #ffffff;
            border-bottom: 1px solid #e0e0e0;
            padding: 1rem 0;
        }

        .navbar-collapse {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .navbar-nav {
            display: flex;
            gap: 1rem;
        }

        .navbar-nav .nav-link {
            color: #333;
            font-size: 1rem;
            padding: 0.5rem 1rem;
            transition: color 0.2s;
        }

        .navbar-nav .nav-link:hover {
            color: #007bff;
        }

        .navbar-nav .nav-link.active {
            color: #000;
            border-bottom: 2px solid #000;
        }

        .language-switcher {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-left: 3rem;
            padding-right: 0;
        }

        .lang-icon {
            width: 32px;
            height: 24px;
            cursor: pointer;
            border: 2px solid transparent;
            border-radius: 4px;
            transition: all 0.2s;
            object-fit: cover;
        }

        .lang-icon:hover {
            border-color: #007bff;
            transform: scale(1.05);
        }

        .lang-icon.active {
            border-color: #000;
            box-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }

        .hero-section {
            padding: 4rem 0;
            text-align: center;
        }

        .hero-section h1 {
            font-size: 2.5rem;
            font-weight: 300;
            margin-bottom: 1rem;
            color: #333;
        }

        .hero-section p {
            font-size: 1.2rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        footer {
            text-align: center;
            padding: 2rem 0;
            color: #666;
            font-size: 0.9rem;
        }

        footer a {
            color: #666;
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }