/* Polish and Enhancement CSS
   Final touches for professional appearance and consistency
   ======================================================= */

/* Enhanced Focus States for Better Accessibility */
.nav-link:focus,
.btn:focus,
.form-input:focus,
.product-toggle:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius);
}

/* Improved Button Hover States */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: translateY(1px);
}

/* Enhanced Card Hover Effects */
.card,
.product-card,
.service-card,
.certification-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.card::after,
.product-card::after,
.service-card::after,
.certification-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.05) 0%, rgba(249, 115, 22, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
    pointer-events: none;
}

.card:hover::after,
.product-card:hover::after,
.service-card:hover::after,
.certification-card:hover::after {
    opacity: 1;
}

/* Improved Form Validation States */
.form-input.valid {
    border-color: #10b981;
    background-color: rgba(16, 185, 129, 0.05);
}

.form-input.valid:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-input.error {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.05);
    animation: shake 0.5s ease-in-out;
}

.form-input.error:focus {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Enhanced Error Messages */
.error-message {
    display: none;
    color: #ef4444;
    font-size: var(--text-sm);
    margin-top: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background-color: rgba(239, 68, 68, 0.1);
    border-left: 3px solid #ef4444;
    border-radius: 0 var(--radius) var(--radius) 0;
    animation: slideDown 0.3s ease-out;
}

.error-message:not(:empty) {
    display: block;
}

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

/* Success Message Enhancement */
.form-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    margin-top: var(--space-4);
    box-shadow: var(--shadow-lg);
    animation: successSlide 0.5s ease-out;
}

@keyframes successSlide {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Enhanced Product Card Animations */
.product-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
    opacity: 0;
    padding: 0 var(--space-6);
}

.product-details.expanded {
    max-height: 800px;
    opacity: 1;
    padding: var(--space-6);
    border-top: 1px solid var(--border);
    margin-top: var(--space-4);
}

.product-toggle {
    transition: all 0.3s ease;
    position: relative;
}

.product-toggle:hover {
    background-color: rgba(30, 58, 138, 0.05);
}

.product-toggle .toggle-icon {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    font-weight: bold;
    font-size: 1.2em;
}

.product-toggle[aria-expanded="true"] .toggle-icon {
    transform: rotate(180deg);
}

/* Loading States */
.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.btn-loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Enhanced Navigation Animations */
.nav-menu {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::before {
    width: 80%;
}

.nav-link.active::before {
    width: 100%;
}

/* Improved Mobile Touch Targets */
@media (max-width: 767px) {
    .btn,
    .nav-toggle,
    .product-toggle {
        min-height: 44px;
        min-width: 44px;
        padding: var(--space-3) var(--space-4);
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .form-input {
        min-height: 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Enhanced Scroll Behavior */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Account for sticky navbar */
}

/* Improved Print Styles */
@media print {
    .nav-toggle,
    .btn,
    .product-toggle,
    .form-success,
    .error-message {
        display: none !important;
    }
    
    .product-details {
        max-height: none !important;
        opacity: 1 !important;
        padding: var(--space-4) 0 !important;
        border-top: 1px solid #000 !important;
    }
    
    .card,
    .product-card,
    .service-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
    
    .hero {
        background: none !important;
        color: #000 !important;
    }
    
    .hero::before {
        display: none !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn,
    .card,
    .form-input {
        border: 2px solid;
    }
    
    .nav-link:hover,
    .nav-link:focus {
        background-color: highlight;
        color: highlighttext;
    }
    
    .form-input:focus {
        outline: 3px solid;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .btn::before,
    .card::after,
    .product-card::after,
    .service-card::after,
    .certification-card::after {
        display: none;
    }
}

/* Light theme enforced - Dark mode removed for consistency */

/* Enhanced Certification Cards */
.cert-placeholder {
    position: relative;
    overflow: hidden;
}

.cert-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: rotate 3s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.certification-card:hover .cert-placeholder::before {
    opacity: 1;
}

@keyframes rotate {
    to {
        transform: rotate(360deg);
    }
}

/* Enhanced Service Cards */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

/* Improved Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1;
}

/* Enhanced Link States */
a {
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary);
}

a:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Improved Image Placeholders */
.image-placeholder,
.cert-placeholder,
.icon-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
}

.image-placeholder:hover,
.cert-placeholder:hover {
    transform: scale(1.02);
}

/* Enhanced Form Submit Button */
.btn-submit {
    position: relative;
    overflow: hidden;
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.btn-submit:disabled::before {
    display: none;
}

/* Improved Section Spacing */
.section + .section {
    border-top: 1px solid rgba(30, 58, 138, 0.1);
}

/* Enhanced Footer */
.footer {
    border-top: 1px solid var(--border);
    background-color: var(--bg-secondary);
    margin-top: var(--space-20);
}

/* Smooth Page Transitions */
body {
    transition: opacity 0.3s ease;
}

body.page-loading {
    opacity: 0.9;
}

/* Enhanced Mobile Navigation */
@media (max-width: 767px) {
    .nav-menu.active {
        animation: slideInDown 0.3s ease-out;
    }
    
    @keyframes slideInDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-link {
        animation: fadeInUp 0.3s ease-out;
        animation-fill-mode: both;
    }
    
    .nav-link:nth-child(1) { animation-delay: 0.1s; }
    .nav-link:nth-child(2) { animation-delay: 0.2s; }
    .nav-link:nth-child(3) { animation-delay: 0.3s; }
    
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Performance Optimizations */
.card,
.btn,
.nav-toggle,
.product-toggle {
    will-change: transform;
}

.card:hover,
.btn:hover {
    will-change: auto;
}

/* Ensure consistent border-radius */
.btn,
.form-input,
.card,
.product-card,
.service-card,
.certification-card {
    border-radius: var(--radius-lg);
}

/* Final Polish - Subtle Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero,
.about,
.service-areas,
.certifications,
.products,
.contact {
    animation: fadeIn 0.6s ease-out;
}

/* Ensure all interactive elements have proper cursor */
.btn,
.nav-toggle,
.product-toggle,
.nav-link,
a[href] {
    cursor: pointer;
}

.btn:disabled {
    cursor: not-allowed;
}