.loading, .error-message, .sent-message {
    display: none;
    margin: 15px 0;
    padding: 15px;
    border-radius: 4px;
}
.loading {
    background: #f4f4f4;
    text-align: center;
}
.error-message {
    background: #ffebee;
    color: #d32f2f;
}
.sent-message {
    background: #e8f5e9;
    color: #2e7d32;
}
.form-disabled {
    opacity: 0.7;
    pointer-events: none;
}
.contact-section {
    padding: 60px 0;
}
.info-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    transition: transform 0.3s;
}
.info-item:hover {
    transform: translateY(-5px);
}
.info-item i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.info-item h3 {
    color: var(--dark-bg);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}
.info-item p, .info-item a {
    color: #666;
    text-decoration: none;
}
.contact-form {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}
.form-control, .form-select {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin-bottom: 20px;
    transition: border-color 0.3s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 77, 0, 0.1);
}
.submit-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 40px;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s;
    width: 100%;
}
.submit-btn:hover:not(:disabled) {
    background: #e64500;
}
.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: none;
}
.alert.show {
    display: block;
}
.verification-box {
    background: #f8f9fa;
    border: 2px dashed #ddd;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    text-align: center;
}
.interaction-area {
    height: 150px;
    background: white;
    border: 2px solid #ddd;
    border-radius: 8px;
    position: relative;
    margin-top: 15px;
    overflow: hidden;
}
.target-circle {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    border: 2px solid white;
}
.target-circle:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(255, 77, 0, 0.5);
}
.progress-indicator {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}
.progress-bar {
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
}
.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s;
    width: 0%;
}
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
