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

:root {
    /* Color Palette */
    --primary-color: #0A6190;
    --primary-dark: #084d73;
    --primary-light: #1a7ba8;
    --secondary-color: #2dd4bf;
    --accent-color: #059669;
    --accent-warm: #f59e0b;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #ebf5c6;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #1e293b;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-light: 0 1px 3px 0 rgba(15, 23, 42, 0.08);
    --shadow-medium: 0 4px 6px -1px rgba(15, 23, 42, 0.1);
    --shadow-large: 0 20px 25px -5px rgba(15, 23, 42, 0.12);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}


html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}
/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.gradient-text {
    color: var(--primary-color);
    position: relative;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--primary-dark);
    position: relative;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-dark);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    color: white !important;
    box-shadow: var(--shadow-large);
}

.btn-primary > * {
    position: relative;
    z-index: 2;
}

.btn-primary:hover::before {
    opacity: 1;
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.project-status-btn {
    border-color: var(--text-primary);
    width: 160px;
    white-space: nowrap;
}

.project-status-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}
/* Navigation Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: var(--font-size-2xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover::after {
    width: 100%;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}
/* Hero Section */
.hero {
    min-height: 30vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    background: #f8f9fa;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 55%;
    background: #1e3a8a;
    z-index: 1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.video-placeholder {
    position: relative;
    width: 580px;
    height: 325px;
    background-image: url('./video_place_holder.png');
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    /*color: white;*/
    font-size: var(--font-size-3xl);
    box-shadow: var(--shadow-large);
    margin-left: -60px;
    z-index: 4;
    overflow: hidden;
}

.video-placeholder::before {
    /*content: '▶';*/
    font-size: var(--font-size-4xl);
    margin-right: var(--spacing-sm);
}

.ai-visualization {
    position: relative;
    width: 300px;
    height: 300px;
    display: none;
}

.floating-element {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border: 2px solid var(--secondary-color);
    border-radius: 50%;
    color: white;
    font-size: var(--font-size-2xl);
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
    box-shadow: var(--shadow-large);
}

.floating-element:nth-child(2) {
    background: var(--secondary-color);
    border-color: var(--accent-color);
}

.floating-element:nth-child(3) {
    background: var(--accent-color);
    border-color: var(--primary-color);
}

.floating-element:nth-child(1) {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.floating-element:nth-child(2) {
    bottom: 50px;
    left: 0;
}

.floating-element:nth-child(3) {
    bottom: 50px;
    right: 0;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}
/* Featured Tools Section */
.featured-tools {
    padding: var(--spacing-md) 0 var(--spacing-xl);
    background: var(--bg-primary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.tool-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.tool-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--bg-tertiary);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    transition: all 0.3s ease;
}

.tool-card:hover .tool-icon {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.tool-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.tool-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.stats {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary-color);
    position: relative;
}

.stat-item:nth-child(2) .stat-number {
    color: var(--secondary-color);
}

.stat-item:nth-child(3) .stat-number {
    color: var(--accent-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.about-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    background: var(--bg-tertiary);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-xl);
    color: var(--primary-color);
    font-size: 6rem;
    position: relative;
    overflow: hidden;
}

.about-image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(10, 97, 144, 0.1), transparent);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}
/* AI Tools Section */
.ai-tools {
    padding: var(--spacing-md) 0 var(--spacing-xl);
    background: var(--bg-primary);
}

.tools-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.tool-category {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.tool-category h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.tool-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.tool-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.tool-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(5px);
    border-left: 4px solid var(--accent-color);
}

.tool-item i {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    transition: color 0.2s ease;
}

.tool-item:hover i {
    color: white;
}

.tool-item h4 {
    font-weight: 600;
    margin-bottom: 2px;
}

.tool-item p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.tool-item:hover p {
    color: rgba(255, 255, 255, 0.8);
}

/* Programs Section */
.programs {
    padding: var(--spacing-md) 0 var(--spacing-xl);
    background: var(--bg-secondary);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.program-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.program-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.program-header i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.program-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.program-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.program-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--spacing-lg);
}

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

.program-card .btn {
    align-self: center;
}
/* Resources Section */
.resources {
    padding: var(--spacing-md) 0 var(--spacing-xl);
    background: var(--bg-primary);
}

.resources-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-3xl);
}

.resource-category h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.resource-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.resource-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-light);
}

.resource-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    border-left: 4px solid var(--accent-warm);
}

.resource-link i {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    transition: color 0.2s ease;
}

.resource-link:hover i {
    color: white;
}

/* Research Section */
.research {
    padding: var(--spacing-md) 0 var(--spacing-xl);
    background: var(--bg-secondary);
}

.research-content {
    width: 100%;
}

.research-projects h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.research-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.project-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
}

.project-item h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.project-item p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.project-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-status:nth-of-type(even) {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.project-status:nth-of-type(3n) {
    background: var(--accent-warm);
    color: white;
    border-color: var(--accent-warm);
}

/* Contact Section */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info h3,
.contact-form h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item i {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    margin-top: 4px;
}

.contact-item h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-form {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.footer-section p {
    color: #9ca3af;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(10, 97, 144, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(10, 97, 144, 0.3);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: var(--font-size-sm);
}
/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: var(--spacing-lg) 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: var(--spacing-sm) 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats {
        justify-content: center;
    }
    
    .tools-showcase {
        grid-template-columns: 1fr;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .resources-categories {
        grid-template-columns: 1fr;
    }
    
    .research-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-card {
        padding: var(--spacing-lg);
    }
    
    .ai-visualization {
        width: 250px;
        height: 250px;
    }
    
    .floating-element {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-lg);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

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

.animate-on-scroll {
    animation: slideInUp 0.6s ease forwards;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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


/* Subtle hover effects for cards */
.tool-card,
.program-card,
.tool-category,
.stat-card,
.project-item {
    position: relative;
    overflow: hidden;
}

.tool-card::before,
.program-card::before,
.tool-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: left 0.5s ease;
}

.tool-card:hover::before,
.program-card:hover::before,
.tool-category:hover::before {
    left: 0;
}

/* Enhanced focus states for accessibility */
.btn:focus,
.nav-link:focus,
.resource-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Subtle color variations for different sections */
.programs .program-card:nth-child(2) .program-header i {
    color: var(--secondary-color);
}

.programs .program-card:nth-child(3) .program-header i {
    color: var(--accent-color);
}

.ai-tools .tool-category:nth-child(2) h3 {
    color: var(--secondary-color);
}

.ai-tools .tool-category:nth-child(3) h3 {
    color: var(--accent-color);
}

/* Hide the search/send button at the bottom of the page */
.contact form .btn[type="submit"] {
    display: none;
}

/* Hide the search toggle button */
.search-toggle {
    display: none !important;
}