/* Contact Form Styles */
.contact-form {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.contact-form h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: #ffffff;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group input:valid,
.form-group textarea:valid {
    border-color: #27ae60;
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
}

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

#submit-btn {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#submit-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

#submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: none;
}

.form-note {
    text-align: center;
    margin-top: 15px;
    color: #7f8c8d;
}

.form-note a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

.form-note a:hover {
    text-decoration: underline;
}

/* Alert Styles */
.alert {
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 8px;
    font-size: 16px;
    line-height: 1.5;
    animation: slideIn 0.3s ease;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    border: 2px solid #27ae60;
    color: #155724;
}

.alert-error {
    background: linear-gradient(135deg, #f8d7da, #f1b0b7);
    border: 2px solid #e74c3c;
    color: #721c24;
}

.alert strong {
    font-weight: 600;
}

.alert a {
    color: inherit;
    text-decoration: underline;
    font-weight: 600;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form Messages Container */
#form-messages {
    margin-bottom: 20px;
}

/* Responsive Form Styles */
@media (max-width: 768px) {
    .contact-form {
        padding: 20px;
        margin: 0 10px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 12px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    #submit-btn {
        padding: 12px 20px;
        font-size: 16px;
    }
}

/* Loading Animation */
.btn-loading::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form Validation Styles */
.form-group input:required:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23e74c3c'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 1.4 1.4M7.2 4.6l-1.4 1.4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-group input:required:valid {
    border-color: #27ae60;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%2327ae60'%3e%3cpath d='m3 5 2 2 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}