/* Additional styles for form validation, animations, and accessibility */

/* Form Validation Styles */
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.error-message {
    color: #dc2626;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.error-message::before {
    content: '⚠';
    font-size: var(--font-size-base);
}

/* Form Messages */
.form-message {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
}

.form-message.success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.form-message.error {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.form-message i {
    font-size: var(--font-size-lg);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-large);
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.scroll-to-top:active {
    transform: translateY(0);
}

/* Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation delays for grouped elements */
.programs-grid .program-card:nth-child(1) { transition-delay: 0.1s; }
.programs-grid .program-card:nth-child(2) { transition-delay: 0.2s; }
.programs-grid .program-card:nth-child(3) { transition-delay: 0.3s; }
.programs-grid .program-card:nth-child(4) { transition-delay: 0.4s; }

.facility-grid .facility-item:nth-child(1) { transition-delay: 0.1s; }
.facility-grid .facility-item:nth-child(2) { transition-delay: 0.2s; }
.facility-grid .facility-item:nth-child(3) { transition-delay: 0.3s; }
.facility-grid .facility-item:nth-child(4) { transition-delay: 0.4s; }

.testimonials-grid .testimonial-card:nth-child(1) { transition-delay: 0.1s; }
.testimonials-grid .testimonial-card:nth-child(2) { transition-delay: 0.2s; }
.testimonials-grid .testimonial-card:nth-child(3) { transition-delay: 0.3s; }

.about-features .feature:nth-child(1) { transition-delay: 0.1s; }
.about-features .feature:nth-child(2) { transition-delay: 0.2s; }
.about-features .feature:nth-child(3) { transition-delay: 0.3s; }

/* Focus Styles for Better Accessibility */
.btn:focus,
.nav-link:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.nav-toggle:focus,
.scroll-to-top:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Navigation Active State */
.nav-link.active {
    color: var(--primary-color);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 1px;
}

/* Loading States */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover {
    background-color: var(--primary-color);
    transform: none;
}

/* Enhanced Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-menu.active {
        animation: slideDown 0.3s ease-out;
    }
    
    .nav-menu {
        animation: slideUp 0.3s ease-out;
    }
    
    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* Keyframe Animations */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse animation for emergency number */
.emergency-number {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 1;
    }
}

/* High contrast mode improvements */
@media (prefers-contrast: high) {
    .error-message {
        background-color: #fff;
        border: 2px solid #dc2626;
        padding: var(--spacing-xs);
        border-radius: var(--border-radius);
    }
    
    .form-message {
        border-width: 2px;
    }
    
    .scroll-to-top {
        border: 2px solid var(--text-white);
    }
    
    .nav-link.active::after {
        height: 3px;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll {
        transition: none;
        opacity: 1;
        transform: none;
    }
    
    .scroll-to-top {
        transition: background-color 0.2s ease;
    }
    
    .emergency-number {
        animation: none;
    }
    
    .nav-menu {
        transition: none;
    }
    
    .nav-menu.active {
        animation: none;
    }
}

/* Print-specific styles */
@media print {
    .scroll-to-top,
    .skip-link,
    .form-message,
    .error-message {
        display: none;
    }
    
    .contact-form {
        display: none;
    }
    
    .contact-info {
        page-break-inside: avoid;
    }
}

/* Loading indicator for form submission */
.form-loading {
    position: relative;
    pointer-events: none;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-lg);
}

/* Custom checkbox and radio button styles (if needed in future) */
.custom-checkbox,
.custom-radio {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-light);
    border-radius: 4px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.custom-radio {
    border-radius: 50%;
}

.custom-checkbox:checked,
.custom-radio:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.custom-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-white);
    font-size: 14px;
    font-weight: bold;
}

.custom-radio:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background-color: var(--text-white);
    border-radius: 50%;
}

/* Tooltip styles (if needed for help text) */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--text-dark);
    color: var(--text-white);
    text-align: center;
    border-radius: var(--border-radius);
    padding: var(--spacing-xs);
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: var(--font-size-sm);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.tooltip .tooltip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--text-dark) transparent transparent transparent;
}

/* Progressive Web App (PWA) Install Button */
.pwa-install-button {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    box-shadow: var(--shadow-medium);
    animation: subtle-pulse 2s infinite;
}

.pwa-install-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
    background: linear-gradient(135deg, var(--secondary-hover), var(--primary-hover));
}

.pwa-install-button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

@keyframes subtle-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.9; }
}

/* Hide install button when app is already installed */
@media (display-mode: standalone) {
    .pwa-install-button {
        display: none;
    }
}

/* Mobile-specific PWA styling */
@media (max-width: 768px) {
    .pwa-install-button {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-md);
        margin-top: var(--spacing-sm);
    }
}