/* CSS Custom Properties & Reset */
:root {
    /* Stunning warm palette - coral/orange/pink gradients */
    --bg-primary: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
    --bg-secondary: rgba(255, 255, 255, 0.9);
    --bg-tertiary: rgba(255, 245, 245, 0.8);
    --text-primary: #2d1b69;
    --text-secondary: #553c9a;
    --text-muted: #8b5fbf;
    --accent-primary: #ff6b6b;
    --accent-secondary: #4ecdc4;
    --accent-gradient: linear-gradient(135deg, #ff6b6b 0%, #ffa726 50%, #ab47bc 100%);
    --success: #26a69a;
    --warning: #ff9800;
    --error: #f44336;
    --border: rgba(255, 182, 193, 0.3);
    --shadow: 0 10px 25px -5px rgba(255, 107, 107, 0.2), 0 10px 10px -5px rgba(255, 107, 107, 0.1);
    --shadow-lg: 0 25px 50px -12px rgba(255, 107, 107, 0.3);
    --card-shadow: 0 8px 25px rgba(255, 107, 107, 0.15);
    --radius: 20px;
    --radius-lg: 24px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: linear-gradient(135deg, #2c1810 0%, #8b2635 50%, #4a148c 100%);
    --bg-secondary: rgba(26, 32, 44, 0.9);
    --bg-tertiary: rgba(45, 25, 45, 0.8);
    --text-primary: #ffeaa7;
    --text-secondary: #fab1a0;
    --text-muted: #e17055;
    --border: rgba(255, 107, 107, 0.2);
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --card-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .visualizer-info {
    background: rgba(255, 234, 167, 0.15);
    border-color: rgba(255, 234, 167, 0.3);
    color: var(--text-primary);
}

[data-theme="dark"] .camera-info {
    background: rgba(250, 177, 160, 0.15);
    border-color: rgba(250, 177, 160, 0.3);
    color: var(--text-primary);
}

[data-theme="dark"] .volume-fill {
    box-shadow: 0 0 12px rgba(255, 234, 167, 0.6);
}

[data-theme="dark"] .icon {
    color: var(--text-primary);
    filter: drop-shadow(0 2px 6px rgba(255, 234, 167, 0.4));
}

[data-theme="dark"] .section-icon {
    color: var(--text-primary);
    filter: drop-shadow(0 1px 4px rgba(255, 234, 167, 0.3));
}

[data-theme="dark"] .placeholder-icon {
    color: var(--text-secondary);
    filter: drop-shadow(0 2px 4px rgba(250, 177, 160, 0.3));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: var(--transition);
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--text-primary);
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 107, 107, 0.2);
    border-left: 4px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="dark"] .main-nav {
    background: rgba(26, 32, 44, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.nav-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 12px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
    background: rgba(255, 107, 107, 0.1);
}

.nav-theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.nav-theme-toggle:hover {
    background: rgba(255, 107, 107, 0.1);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 80px;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 60px 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    margin-bottom: 40px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: rgba(255, 107, 107, 0.1);
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2rem;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    padding: 15px 30px;
    border-radius: var(--radius);
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.cta-button.primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.cta-button.secondary:hover {
    background: var(--accent-primary);
    color: white;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Tester Section */
.tester-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--card-shadow);
}

/* Permission Status */
.permission-status {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    border: 2px solid var(--border);
}

.permission-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius);
    transition: var(--transition);
}

.permission-icon {
    font-size: 1.5rem;
    min-width: 30px;
    text-align: center;
}

.permission-text {
    font-weight: 500;
    margin-left: auto;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

/* Device Sections */
.device-section {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.device-section:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.device-section .section-header h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-desc {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* Guide Section */
.guide-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--card-shadow);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.guide-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.guide-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
}

.guide-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    text-align: center;
}

.guide-content h4 {
    color: var(--accent-primary);
    margin: 20px 0 10px 0;
    font-size: 1.1rem;
}

.guide-content ol,
.guide-content ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.guide-content li {
    margin-bottom: 8px;
    line-height: 1.5;
}

/* Troubleshooting Section */
.troubleshooting-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--card-shadow);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    padding: 25px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: rgba(255, 107, 107, 0.05);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--accent-primary);
    transition: var(--transition-fast);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 25px 25px;
    max-height: 500px;
}

.faq-answer p {
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.faq-answer ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.faq-answer li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* Compatibility Section */
.compatibility-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--card-shadow);
}

.compatibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.compatibility-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.compatibility-card h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    text-align: center;
}

.compatibility-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.compatibility-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: var(--radius);
    transition: var(--transition-fast);
}

.compatibility-item.supported {
    background: rgba(38, 166, 154, 0.1);
    border-left: 4px solid var(--success);
}

.compatibility-item.limited {
    background: rgba(255, 152, 0, 0.1);
    border-left: 4px solid var(--warning);
}

.browser-icon,
.os-icon,
.device-icon {
    font-size: 1.5rem;
}

.browser-info {
    flex: 1;
}

.browser-info strong {
    display: block;
    color: var(--text-primary);
}

.support-status {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.requirements-section {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.requirements-section h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-primary);
    text-align: center;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.requirement-item h4 {
    color: var(--accent-primary);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.requirement-item ul {
    margin-left: 20px;
}

.requirement-item li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* Blog Section */
.blog-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--card-shadow);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.article-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

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

.article-image {
    height: 120px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-icon {
    font-size: 3rem;
    color: white;
}

.article-content {
    padding: 25px;
}

.article-content h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-primary);
    line-height: 1.4;
}

.article-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Device Selector and Controls (existing styles maintained) */
.device-selector {
    margin-bottom: 25px;
}

.device-selector label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.device-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: white;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.device-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.microphone-controls,
.camera-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.test-button {
    padding: 12px 24px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

.test-button:active {
    transform: translateY(0);
}

.volume-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 200px;
}

.volume-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 107, 107, 0.2);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.volume-fill {
    height: 100%;
    background: var(--accent-gradient);
    width: 0%;
    transition: width 0.1s ease;
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(255, 107, 107, 0.4);
}

.resolution-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

/* Visualizer */
.visualizer-container {
    position: relative;
    margin-bottom: 20px;
}

.visualizer {
    width: 100%;
    height: 200px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: var(--shadow);
}

.visualizer-info {
    position: absolute;
    bottom: 15px;
    left: 15px;
    right: 15px;
    background: rgba(255, 255, 255, 0.9);
    padding: 10px 15px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

/* Camera */
.camera-container {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    min-height: 300px;
    box-shadow: var(--shadow);
}

.camera-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 300px;
}

.camera-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.placeholder-content {
    text-align: center;
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    display: block;
}

.camera-info {
    position: absolute;
    bottom: 15px;
    left: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 10px 15px;
    border-radius: var(--radius);
    font-size: 0.9rem;
}

/* Error Container */
.error-container {
    margin-top: 20px;
}

.error-message {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 10px;
    color: var(--error);
    display: flex;
    align-items: center;
    gap: 10px;
}

.error-icon {
    font-size: 1.2rem;
}

/* Theme Toggle */
.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--border);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.3rem;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(180deg);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--card-shadow);
    margin-top: 40px;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-section h4 {
    color: var(--accent-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-links {
        display: none;
    }
    
    .container {
        padding: 90px 15px 20px;
        gap: 60px;
    }
    
    .hero-content {
        padding: 0 20px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        max-width: 300px;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .guide-grid,
    .compatibility-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .microphone-controls,
    .camera-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .volume-indicator {
        min-width: auto;
    }
    
    .tester-section,
    .guide-section,
    .troubleshooting-section,
    .compatibility-section,
    .blog-section,
    .footer {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .hero-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-item {
        padding: 15px;
    }
    
    .permission-status {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .device-section {
        padding: 25px;
    }
    
    .guide-card,
    .compatibility-card,
    .article-card {
        margin: 0 -10px;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

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

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

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

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
button:focus,
select:focus,
.nav-link:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border: #000;
        --shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    }
}