otate(1deg);
        }

        .hidden {
            display: none;
        }

        @media (max-width: 768px) {
            :root {
                --border-thick: 3px;
                --shadow-offset: 6px;
            }

            header h1 {
                font-size: 2.5em;
            }

            .service-card {
                width: 100%;
            }

            .container {
                padding: 15px;
            }
        }
    </style>
</head>
<body>
    <div class="container">
     