* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }
        
        .contact-container {
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            width: 100%;
            max-width: 500px;
            overflow: hidden;
        }
        
        .contact-header {
            background: #4a6cf7;
            color: white;
            padding: 25px;
            text-align: center;
        }
        
        .contact-header h1 {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .contact-header p {
            font-size: 14px;
            opacity: 0.9;
        }
        
        .contact-form-container {
            padding: 30px;
        }
        
        .input-field {
            margin-bottom: 20px;
            position: relative;
        }
        
        .input-field label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #333;
            font-size: 14px;
        }
        
        .input-field input {
            width: 100%;
            padding: 14px 15px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 15px;
            transition: all 0.3s ease;
        }
        
        .input-field input:focus {
            border-color: #4a6cf7;
            box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.2);
            outline: none;
        }
        
        .file-upload-container {
            position: relative;
            margin-bottom: 20px;
        }
        
        .file-upload-button {
            display: block;
            padding: 14px 20px;
            background: #f8f9fa;
            border: 1px dashed #ccc;
            border-radius: 6px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            color: #666;
            font-weight: 500;
        }
        
        .file-upload-button:hover {
            background: #eef2ff;
            border-color: #4a6cf7;
            color: #4a6cf7;
        }
        
        .file-upload-button i {
            margin-right: 8px;
        }
        
        #file-upload {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        
        .submit-button {
            background: #4a6cf7;
            color: white;
            border: none;
            padding: 15px;
            width: 100%;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(74, 108, 247, 0.4);
        }
        
        .submit-button:hover {
            background: #3b5be3;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(74, 108, 247, 0.5);
        }
        
        .submit-button:active {
            transform: translateY(0);
        }
        
        .contact-footer {
            text-align: center;
            padding: 20px;
            background: #f8f9fa;
            border-top: 1px solid #eee;
            font-size: 14px;
            color: #666;
        }
        
        .contact-footer a {
            color: #4a6cf7;
            text-decoration: none;
        }
        
        .contact-footer a:hover {
            text-decoration: underline;
        }
        
        .file-name-display {
            font-size: 13px;
            margin-top: 8px;
            color: #666;
            text-align: center;
            font-style: italic;
        }
        
        @media (max-width: 576px) {
            .contact-container {
                border-radius: 8px;
            }
            
            .contact-header {
                padding: 20px;
            }
            
            .contact-form-container {
                padding: 20px;
            }
        }