/* CSS Custom Properties - Color Scheme */
:root {
    /* Primary Colors */
    --color-primary: #6B46C1;
    --color-primary-light: #8B5CF6;
    --color-primary-dark: #553C9A;
    
    /* Background Colors */
    --color-bg-main: #F8F6FF;
    --color-bg-accent: #E6D7FF;
    --color-bg-white: #FFFFFF;
    --color-bg-sage: #E8F5E8;
    
    /* Text Colors */
    --color-text-primary: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-light: #9CA3AF;
    
    /* Accent Colors */
    --color-accent-green: #059669;
    --color-accent-gold: #F59E0B;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 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;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-main);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--color-accent-green);
    color: white;
}

.btn-secondary:hover {
    background-color: #047857;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Header */
.header {
    background-color: var(--color-bg-white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.logo h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.logo span {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

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

.nav a {
    font-weight: 500;
    color: var(--color-text-primary);
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition-fast);
}

.nav a:hover::after {
    width: 100%;
}

.header-contact {
    display: flex;
    gap: var(--spacing-sm);
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.phone-btn {
    background-color: var(--color-accent-green);
    color: white;
}

.phone-btn:hover {
    background-color: #047857;
}

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

.zalo-btn:hover {
    background-color: var(--color-primary-dark);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -2;
}

.hero-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-accent) 0%, var(--color-bg-sage) 100%);
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(107, 70, 193, 0.1) 0%, rgba(232, 245, 232, 0.2) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 600px;
    text-align: center;
    margin: 0 auto;
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

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

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

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

.service-list {
    margin-bottom: var(--spacing-2xl);
}

.service-item {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-bg-accent);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.service-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    padding-top: var(--spacing-xs);
}

.service-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.about-mission {
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-bg-accent) 0%, var(--color-bg-sage) 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.about-mission p {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    line-height: 1.8;
    margin: 0;
}

.about-mission strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* Products Section */
.products {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-sage);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-primary);
    background-color: transparent;
    color: var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--color-primary);
    color: white;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.product-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 350px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.product-video-indicator {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.product-info {
    padding: var(--spacing-md);
}

.product-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.product-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}


.products-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-bg-accent);
    border-radius: var(--radius-xl);
}

.products-cta h3 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.products-cta p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

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

/* Why Choose Section */
.why-choose {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-sage);
}

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

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

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

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

/* Care Tips Section */
.care-tips {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-white);
}

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

.care-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.tips-list {
    margin-bottom: var(--spacing-xl);
}

.tip-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-bg-accent);
    border-radius: var(--radius-md);
}

.tip-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

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

.tip-item p {
    color: var(--color-text-secondary);
}

.care-image {
    text-align: center;
}

.care-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    object-fit: cover;
}

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) 0;
    background-color: var(--color-bg-accent);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: var(--font-size-2xl);
    flex-shrink: 0;
}

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

.contact-item a {
    color: var(--color-accent-green);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

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

.contact-item p {
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

.contact-map {
    background-color: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-map h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.map-container {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}


/* Footer */
.footer {
    background-color: var(--color-text-primary);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: #D1D5DB;
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid #374151;
    color: #9CA3AF;
}

/* Mobile Contact Bar */
.mobile-contact-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg-white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    grid-template-columns: repeat(4, 1fr);
}

.mobile-contact-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
    flex: 1;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.mobile-contact-btn.phone {
    background-color: var(--color-accent-green);
    color: white;
}

.mobile-contact-btn.zalo {
    background-color: var(--color-primary);
    color: white;
}

.mobile-contact-btn .icon {
    font-size: var(--font-size-lg);
    margin-bottom: 2px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    padding: 0;
}

.lightbox-content {
    position: relative;
    width: 100vw;
    height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    z-index: 2001;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.lightbox-close:hover {
    background: rgba(0, 0, 0, 0.8);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.lightbox-nav:hover {
    background: rgba(0, 0, 0, 0.8);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-media-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: pan-y;
}

.lightbox img,
.lightbox video {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    border-radius: 0;
    transition: transform 0.3s ease;
}

.lightbox-counter {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    background: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.05) 70%, rgba(0, 0, 0, 0.6) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--spacing-xl);
    pointer-events: none;
}

.lightbox-overlay-content {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    max-width: 500px;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.lightbox-overlay-content h3 {
    color: white;
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
}

.lightbox-overlay-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav,
    .header-contact {
        display: none;
    }
    
    .hero-content {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .service-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .service-icon {
        align-self: center;
        padding-top: 0;
    }
    
    .care-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .map-container {
        height: 300px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .mobile-contact-bar {
        display: grid;
    }
    
    body {
        padding-bottom: 60px;
    }
    
    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-xs);
    }
    
    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .lightbox-nav {
        width: 60px;
        height: 60px;
        font-size: 2.5rem;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-counter {
        top: -60px;
        font-size: var(--font-size-base);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .lightbox-overlay {
        padding: var(--spacing-md);
    }
    
    .lightbox-overlay-content {
        padding: var(--spacing-sm) var(--spacing-md);
        margin-bottom: var(--spacing-md);
        max-width: 90vw;
    }
    
    .lightbox-overlay-content h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-xs);
    }
    
    .lightbox-overlay-content p {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: var(--transition-slow);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}