/* PASRTA Styles - Pan-African Scientific Research and Training Alliance */

/* CSS Variables for consistent theming */
:root {
    /* Primary Pan-African inspired colors */
    --primary-green: #228B22;
    --primary-gold: #FFD700;
    --primary-red: #DC143C;
    --primary-blue: #1E90FF;
    
    /* Secondary colors */
    --secondary-orange: #FF8C00;
    --secondary-purple: #8A2BE2;
    
    /* Neutral colors */
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --medium-gray: #CCCCCC;
    --dark-gray: #333333;
    --black: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-green), var(--primary-blue));
    --gradient-secondary: linear-gradient(135deg, var(--primary-gold), var(--secondary-orange));
    --gradient-accent: linear-gradient(135deg, var(--primary-red), var(--secondary-purple));
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: Georgia, 'Times New Roman', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

img {
    max-width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Header and Navigation */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--dark-gray);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-green);
    background: var(--light-gray);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    margin: 3px 0;
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--dark-gray);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-outline:hover {
    background: var(--primary-green);
    color: var(--white);
}

/* Main Content */
main {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    padding: var(--spacing-xxl) 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-graphic {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: 4rem;
    color: var(--primary-green);
    opacity: 0.7;
}

.hero-graphic i {
    animation: float 3s ease-in-out infinite;
}

.hero-graphic i:nth-child(2) {
    animation-delay: -1s;
    color: var(--primary-gold);
}

.hero-graphic i:nth-child(3) {
    animation-delay: -2s;
    color: var(--primary-blue);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Section Styles */
section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    opacity: 0.7;
    max-width: 600px;
    margin: 0 auto;
}

/* Mission & Vision Section */
.mission-vision {
    background: var(--light-gray);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.mv-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.mv-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.vision-card {
    border-top: 4px solid var(--primary-gold);
}

.mission-card {
    border-top: 4px solid var(--primary-green);
}

.mv-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.vision-card .mv-icon {
    color: var(--primary-gold);
}

.mission-card .mv-icon {
    color: var(--primary-green);
}

.mv-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.mv-card p {
    color: var(--dark-gray);
    opacity: 0.8;
}

/* Services/What We Do Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--medium-gray);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-green);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.service-card p {
    color: var(--dark-gray);
    opacity: 0.8;
}

/* Impact Section */
.impact {
    background: var(--gradient-primary);
    color: var(--white);
}

.impact .section-header h2,
.impact .section-header p {
    color: var(--white);
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-gold);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1.1rem;
    color: var(--white);
    opacity: 0.9;
}

/* Call to Action Section */
.cta {
    background: var(--light-gray);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--dark-gray);
    opacity: 0.8;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-gold);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--white);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--primary-gold);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-green);
    color: var(--white);
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-gold);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: var(--spacing-lg);
    text-align: center;
    opacity: 0.7;
}

/* Page-specific styles */
.page-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.content-section {
    padding: var(--spacing-xl) 0;
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.text-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.text-content p {
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
    opacity: 0.8;
}

.feature-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md) 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-graphic {
        font-size: 3rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .mv-grid,
    .services-grid,
    .training-categories,
    .research-areas,
    .resource-categories,
    .team-grid,
    .collaboration-types {
        grid-template-columns: 1fr;
    }

    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .two-column {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .advisory-list {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .timeline-icon {
        align-self: center;
    }

    .about-graphic {
        font-size: 3.5rem;
        gap: var(--spacing-md);
    }

    /* Form improvements for mobile */
    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }

    /* Project and program cards on mobile */
    .project-header,
    .program-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .project-meta,
    .program-details {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    /* Table responsive */
    .table {
        font-size: 0.875rem;
    }

    .table th,
    .table td {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    /* Modal on mobile */
    .modal-content {
        width: 95%;
        margin: var(--spacing-sm);
    }

    .modal-footer {
        flex-direction: column;
    }

    /* Accordion on mobile */
    .accordion-header {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .accordion-content.active {
        padding: var(--spacing-md);
    }

    /* Enhanced mobile navigation */
    .nav-link {
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--light-gray);
        width: 100%;
    }

    .nav-link:last-child {
        border-bottom: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .impact-stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .hero-graphic {
        font-size: 2.5rem;
        gap: var(--spacing-md);
    }

    .about-graphic {
        font-size: 3rem;
        gap: var(--spacing-md);
    }

    .timeline-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .timeline-icon {
        align-self: center;
    }

    .values-grid,
    .training-categories,
    .research-areas,
    .resource-categories {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .advisory-list {
        grid-template-columns: 1fr;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .collaboration-types {
        grid-template-columns: 1fr;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .program-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }

    .project-meta,
    .program-details {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .member-expertise {
        justify-content: flex-start;
    }

    /* Smaller text for very small screens */
    .page-subtitle {
        font-size: 1rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Reduce padding on small screens */
    .mv-card,
    .service-card,
    .training-category,
    .research-area,
    .value-card,
    .team-member,
    .collaboration-card {
        padding: var(--spacing-md);
    }

    /* Smaller icons on mobile */
    .mv-icon,
    .service-icon,
    .category-icon,
    .research-icon,
    .value-icon,
    .collaboration-icon {
        font-size: 2rem;
    }

    /* Footer adjustments */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* High DPI and Retina Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo,
    .footer-logo img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Dark Mode Support (Disabled - keep original colors) */
/* 
@media (prefers-color-scheme: dark) {
    :root {
        --white: #1a1a1a;
        --light-gray: #2d2d2d;
        --medium-gray: #404040;
        --dark-gray: #e0e0e0;
        --black: #ffffff;
    }
}
*/

/* 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;
        scroll-behavior: auto !important;
    }
    
    .hero-graphic i {
        animation: none !important;
    }
}

/* Focus Management for Accessibility */
*:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-green);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 10001;
}

.skip-link:focus {
    top: 6px;
}

/* Enhanced Browser Support */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* Fallback for browsers that don't support background-clip: text */
    color: var(--primary-green);
}

/* Safari specific fixes */
@supports (-webkit-appearance: none) {
    .btn {
        -webkit-appearance: none;
    }
    
    .form-input,
    .form-textarea,
    .form-select {
        -webkit-appearance: none;
    }
}

/* Internet Explorer specific fixes */
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .hero-content,
    .two-column,
    .mv-grid,
    .services-grid {
        display: block;
    }
    
    .hero-content > div,
    .two-column > div,
    .mv-grid > div,
    .services-grid > div {
        display: inline-block;
        width: 48%;
        vertical-align: top;
        margin-right: 2%;
    }
}

/* Enhanced Performance Optimizations */
.hero-graphic,
.about-graphic {
    will-change: transform;
}

.service-card,
.mv-card,
.training-category,
.research-area,
.value-card,
.team-member {
    will-change: transform, box-shadow;
}

/* Utility Classes for Better Layout Control */
.flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }

/* Enhanced Typography */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.leading-tight { line-height: 1.25; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose { line-height: 2; }

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .impact-stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .hero-graphic {
        font-size: 2.5rem;
        gap: var(--spacing-md);
    }

    .about-graphic {
        font-size: 3rem;
        gap: var(--spacing-md);
    }

    .timeline-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .timeline-icon {
        align-self: center;
    }

    .values-grid,
    .training-categories,
    .research-areas,
    .resource-categories {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .advisory-list {
        grid-template-columns: 1fr;
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .collaboration-types {
        grid-template-columns: 1fr;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .program-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .newsletter-form input,
    .newsletter-form button {
        width: 100%;
    }

    .project-meta,
    .program-details {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .member-expertise {
        justify-content: flex-start;
    }
}

/* Enhanced Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

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

/* Enhanced Interactive Elements */
.interactive-hover {
    transition: all 0.3s ease;
}

.interactive-hover:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Improved Form Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--dark-gray);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(34, 139, 34, 0.1);
}

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

.form-error {
    color: var(--primary-red);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.form-success {
    color: var(--primary-green);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* Enhanced Card Styles */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-bottom: 1px solid var(--medium-gray);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--light-gray);
    border-top: 1px solid var(--medium-gray);
}

/* Improved Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--medium-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--medium-gray);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-gray);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.modal-close:hover {
    background: var(--light-gray);
}

/* Enhanced Progress Bar */
.progress {
    width: 100%;
    height: 8px;
    background: var(--light-gray);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
}

/* Improved Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
}

.breadcrumb-item {
    color: var(--dark-gray);
    opacity: 0.7;
}

.breadcrumb-item:last-child {
    opacity: 1;
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--medium-gray);
}

/* Enhanced Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

.table th,
.table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--medium-gray);
}

.table th {
    background: var(--light-gray);
    font-weight: 600;
    color: var(--dark-gray);
}

.table tr:hover {
    background: var(--light-gray);
}

/* Enhanced Alerts */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(34, 139, 34, 0.1);
    border-left-color: var(--primary-green);
    color: var(--primary-green);
}

.alert-warning {
    background: rgba(255, 215, 0, 0.1);
    border-left-color: var(--primary-gold);
    color: #b8860b;
}

.alert-error {
    background: rgba(220, 20, 60, 0.1);
    border-left-color: var(--primary-red);
    color: var(--primary-red);
}

.alert-info {
    background: rgba(30, 144, 255, 0.1);
    border-left-color: var(--primary-blue);
    color: var(--primary-blue);
}

/* Enhanced Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin: var(--spacing-xl) 0;
}

.pagination-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-sm);
    color: var(--dark-gray);
    text-decoration: none;
    transition: all 0.3s ease;
}

.pagination-item:hover,
.pagination-item.active {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

/* Enhanced Badge Styles */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: var(--primary-green);
    color: var(--white);
}

.badge-secondary {
    background: var(--primary-blue);
    color: var(--white);
}

.badge-success {
    background: var(--primary-green);
    color: var(--white);
}

.badge-warning {
    background: var(--primary-gold);
    color: var(--dark-gray);
}

.badge-danger {
    background: var(--primary-red);
    color: var(--white);
}

.badge-light {
    background: var(--light-gray);
    color: var(--dark-gray);
}

/* Enhanced Tooltip */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip-text {
    visibility: hidden;
    width: 200px;
    background: var(--dark-gray);
    color: var(--white);
    text-align: center;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    font-size: 0.875rem;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
}

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

/* Enhanced Accordion */
.accordion {
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.accordion-item {
    border-bottom: 1px solid var(--medium-gray);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--light-gray);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.accordion-header:hover {
    background: var(--medium-gray);
}

.accordion-header.active {
    background: var(--primary-green);
    color: var(--white);
}

.accordion-content {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-content.active {
    padding: var(--spacing-lg);
    max-height: 500px;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .nav-toggle,
    .cta,
    .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white;
    }
    
    .page-header {
        background: none !important;
        color: black !important;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}


.mb-3 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.hidden { display: none; }
.visible { display: block; }