body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #333;
}

.contact-container {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 600px;
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 28px;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

input[type="text"],
input[type="tel"],
input[type="email"],
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="tel"]:focus,
input[type="email"]:focus,
textarea:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.submit-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
}

.submit-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.submit-btn:active {
    transform: translateY(0);
}

.required-note {
    color: #7f8c8d;
    font-size: 14px;
}

.response-message {
    margin-top: 25px;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    display: none;
    font-weight: 500;
}

.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

@media (max-width: 600px) {
    .contact-container {
        padding: 20px;
    }
    .form-footer {
        flex-direction: column;
        gap: 15px;
    }
    .submit-btn {
        width: 100%;
    }
    .required-note {
        align-self: flex-start;
    }
}