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

        body {
            line-height: 1.6;
            color: #333;
            background-color: #f4f4f4;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* nav bar */
        header {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0.5rem 0;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.5rem 0;
        }

        /* school logo image */
        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            transition: opacity 0.3s ease;
        }

        .logo:hover {
            opacity: 0.8;
        }

        .logo-img {
            height: 60px;
            width: auto;
        }

        /* nav links */
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2.5rem;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #56b4a6;
        }

        /* nav bar active action*/
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #56b4a6;
            border-radius: 2px;
        }

        /* Language Switcher */
        .language-switcher {
            display: flex;
            align-items: center;
            margin-left: 1rem;
        }

        .lang-btn {
            background: none;
            border: 2px solid #56b4a6;
            color: #56b4a6;
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            margin-left: 0.5rem;
        }

        .lang-btn.active {
            background-color: #56b4a6;
            color: white;
        }

        .lang-btn:hover {
            background-color: #6de1d0;
            border-color: #6de1d0;
            color: white;
        }

        /* footer [contacts] */
        footer {
            text-align: center;
            padding: 1.5rem 0;
            background-color: #333;
            color: #fff;
            margin-top: 2rem;
        }

        /* contents */
        main {
            padding: 3rem 0;
            min-height: calc(100vh - 160px);
        }

        /* Quick Links */
        .quick-links {
            padding: 4rem 0;
            background: white;
        }
        
        .quick-links h2 {
            text-align: center;
            color: #6a4b90;
            margin-bottom: 3rem;
            font-size: 2.2rem;
        }
        
        .cards-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .card {
            background: #f8faf8;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease;
        }
        
        .card:hover {
            transform: translateY(-10px);
        }
        
        .card-img {
            height: 200px;
            overflow: hidden;
        }
        
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        
        .card-content {
            padding: 1.5rem;
        }
        
        .card h3 {
            color: #56b4a6;
            margin-bottom: 1rem;
        }
        
        .card p {
            color: #555;
            margin-bottom: 1.5rem;
        }
        
        .card a {
            color: #65d3c2;
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
        }
        
        .card a i {
            margin-left: 8px;
            transition: transform 0.3s ease;
        }
        
        .card a:hover i {
            transform: translateX(5px);
    }

            @media (max-width: 768px) {
            nav {
                flex-direction: column;
                gap: 1rem;
            }
            
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
            }
        }