.custom-alert {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 5px;
    color: #fff;
    font-weight: bold;
    z-index: 9999;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: opacity 0.5s ease;
    opacity: 1;
}

.custom-alert-success {
    background-color: #28a745;
}

.custom-alert-error {
    background-color: #dc3545;
}

.custom-alert-info {
    background-color: #17a2b8;
}

/* Kontaktní formulář */
.contact-section {
    padding: 50px 20px;
    background: #f9f9f9;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.section-title {
    margin-bottom: 20px;
    font-size: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 15px;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-family: inherit;
}

.captcha-container {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
}

.btn-container {
    text-align: center;
}

.btn-submit {
    padding: 10px 30px;
    background-color: #37C4A2;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.btn-submit:hover {
    background-color: #2da185;
}

.btn-submit:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}