/* ================================
   iFarmaci - Modern Static Site
   Apple-inspired Design System
   ================================ */

/* CSS Variables */
:root {
    /* Colors - Light Mode */
    --color-bg: #ffffff;
    --color-bg-secondary: #f5f5f7;
    --color-bg-tertiary: #fbfbfd;
    --color-text: #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-text-tertiary: #86868b;
    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-light: rgba(0, 0, 0, 0.04);
    
    /* Brand Colors */
    --color-primary: #0071e3;
    --color-primary-hover: #0077ed;
    --color-accent: #00c7be;
    --color-blue: #007aff;
    --color-green: #34c759;
    --color-orange: #ff9500;
    --color-purple: #af52de;
    --color-teal: #5ac8fa;
    --color-red: #ff3b30;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-text: linear-gradient(90deg, #0071e3 0%, #00c7be 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-text: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* Layout */
    --nav-height: 52px;
    --container-max: 1200px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #000000;
        --color-bg-secondary: #1c1c1e;
        --color-bg-tertiary: #2c2c2e;
        --color-text: #f5f5f7;
        --color-text-secondary: #a1a1a6;
        --color-text-tertiary: #6e6e73;
        --color-border: rgba(255, 255, 255, 0.1);
        --color-border-light: rgba(255, 255, 255, 0.05);
        
        --gradient-card: linear-gradient(180deg, rgba(44,44,46,0.8) 0%, rgba(44,44,46,0.4) 100%);
        
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
        --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
    }
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-text);
    font-size: 17px;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

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

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

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

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

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
    transition: background var(--transition-base);
}

@media (prefers-color-scheme: dark) {
    .nav {
        background: rgba(0, 0, 0, 0.72);
    }
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text);
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav-menu a {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

/* Mobile Nav */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--space-lg) var(--space-xl);
        gap: var(--space-sm);
        margin: 0;
        background: #fff !important;
        backdrop-filter: none !important;
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 1000;
        box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu a {
        font-size: 1.125rem;
        display: block;
        padding: var(--space-sm) 0;
    }
}

@media (max-width: 768px) and (prefers-color-scheme: dark) {
    .nav-menu {
        background: #000 !important;
        box-shadow: -2px 0 8px rgba(255, 255, 255, 0.1);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    font-family: var(--font-text);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    color: white;
    transform: scale(1.02);
}

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

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

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

.btn-outline:hover {
    background: var(--color-bg-secondary);
    color: var(--color-text);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.8125rem;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--nav-height) + var(--space-3xl));
    padding-bottom: var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(0, 113, 227, 0.08) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.5;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    padding: 0 var(--space-xl);
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 14px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-green);
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--space-2xl);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.device-mockup {
    perspective: 1000px;
}

.device-frame {
    width: 320px;
    bbheight: 560px;
    bbbackground: var(--color-bg-tertiary);
    bborder-radius: 40px;
    bpadding: 12px;
    bbbox-shadow: var(--shadow-xl), inset 0 0 0 3px var(--color-border);
    btransform: rotateY(-5deg) rotateX(5deg);
    btransition: transform var(--transition-slow);
}

.device-frame:hover {
    transform: rotateY(0) rotateX(0);
}

.device-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    border-radius: 32px;
    boverflow: hidden;
}

.app-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    padding: var(--space-lg);
    padding-top: var(--space-2xl);
}

.search-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 14px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

.app-list {
    flex: 1;
    padding: 0 var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.app-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-text);
}

.pill {
    width: 36px;
    height: 16px;
    border-radius: var(--radius-full);
}

.pill.blue { background: var(--color-blue); }
.pill.green { background: var(--color-green); }
.pill.orange { background: var(--color-orange); }
.pill.purple { background: var(--color-purple); }

@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    /* .hero-visual {
        display: none;
    } */
}

/* Trust Section */
.trust {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 768px) {
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    text-align: center;
}

.trust-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
}

.trust-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

/* Section Styles */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.125rem;
}

/* Features Section */
.features {
    padding: var(--space-4xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    padding: var(--space-2xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.feature-large {
    grid-column: span 1;
}

@media (min-width: 1024px) {
    .feature-large {
        grid-column: span 1;
        grid-row: span 2;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.feature-icon.blue { color: var(--color-blue); }
.feature-icon.green { color: var(--color-green); }
.feature-icon.orange { color: var(--color-orange); }
.feature-icon.purple { color: var(--color-purple); }
.feature-icon.teal { color: var(--color-teal); }

.feature-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.feature-card p {
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Apps Section */
.apps-section {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 1024px) {
    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .apps-grid {
        grid-template-columns: 1fr;
    }
}

.app-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.app-card.featured {
    border: 2px solid var(--color-primary);
}

.app-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 12px;
    background: var(--color-primary);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.app-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.app-card h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.125rem;
}

.app-card p {
    font-size: 0.8125rem;
    margin-bottom: var(--space-lg);
    min-height: 60px;
}

/* Data Section */
.data-section {
    padding: var(--space-4xl) 0;
}

.data-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    padding: var(--space-3xl);
    background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    border-radius: var(--radius-xl);
}

@media (max-width: 768px) {
    .data-card {
        grid-template-columns: 1fr;
    }
}

.data-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-md);
}

.data-content > p {
    margin-bottom: var(--space-xl);
}

.data-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.data-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-text);
}

.data-list svg {
    color: var(--color-green);
    flex-shrink: 0;
}

.data-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* Awards Section */
.awards {
    padding: var(--space-4xl) 0;
    background: var(--color-bg-secondary);
}

.awards-grid {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

.award-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.award-item img {
    height: 80px;
    width: auto;
    object-fit: contain;
    filter: grayscale(20%);
    transition: filter var(--transition-base);
    border-radius: var(--radius-md);
}

.award-item:hover img {
    filter: grayscale(0%);
}

.award-item span {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    text-align: center;
}

/* CTA Section */
.cta-section {
    padding: var(--space-4xl) 0;
}

.cta-card {
    text-align: center;
    padding: var(--space-4xl);
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: var(--radius-xl);
    color: white;
}

.cta-card h2 {
    color: white;
    margin-bottom: var(--space-md);
}

.cta-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.125rem;
    max-width: 500px;
    margin: 0 auto var(--space-2xl);
}

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

/* Footer */
.footer {
    padding: var(--space-4xl) 0 var(--space-2xl);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.footer-brand p {
    font-size: 0.875rem;
}

.footer-links h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
}

/* Page Header (for inner pages) */
.page-header {
    padding: calc(var(--nav-height) + var(--space-2xl)) 0 var(--space-xl);
    background: var(--color-bg-secondary);
    text-align: center;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.page-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Section */
.content-section {
    padding: var(--space-2xl) 0;
}

.content-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
}

.content-section h3 {
    font-size: 1.125rem;
    margin: var(--space-xl) 0 var(--space-md);
}

.content-section p {
    margin-bottom: var(--space-md);
}

/* FAQ Styles */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.faq-question {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.faq-answer {
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* Press Quotes */
.press-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 640px) {
    .press-grid {
        grid-template-columns: 1fr;
    }
}

.press-quote {
    padding: var(--space-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-primary);
}

.press-quote blockquote {
    font-style: italic;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.press-quote cite {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    font-style: normal;
}

/* Contact Section */
.contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-2xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    font-size: 1.125rem;
    color: var(--color-primary);
    margin: var(--space-xl) 0;
}

/* Animation Utilities */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Selection */
::selection {
    background: var(--color-primary);
    color: white;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* Comparison Table */
.comparison-intro {
    max-width: 800px;
    margin: 0 auto;
}

.comparison-table-wrapper {
    margin-top: 3rem;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    font-size: 0.875rem;
}

.comparison-table thead th {
    background: var(--color-bg-secondary);
    padding: var(--space-sm) var(--space-sm);
    text-align: center;
    font-weight: 600;
    border: 1px solid var(--color-border);
    width: 120px;
    vertical-align: top;
}

.comparison-table thead th:first-child {
    text-align: left;
    width: auto;
    min-width: 200px;
    padding-left: var(--space-md);
}

.comparison-table thead th img {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    border-radius: var(--radius-md);
    display: block;
}

.comparison-table thead th div {
    margin-top: 8px;
}

.comparison-table tbody td {
    padding: var(--space-sm) var(--space-sm);
    border: 1px solid var(--color-border);
    text-align: center;
    vertical-align: middle;
}

.comparison-table tbody td:first-child {
    text-align: left;
    font-weight: 500;
    padding-left: var(--space-md);
}

.comparison-table .check {
    color: var(--color-green);
    font-size: 1.5rem;
    font-weight: bold;
}

.comparison-table .text-small {
    font-size: 0.75rem;
    line-height: 1.4;
}

.comparison-table .new-badge {
    display: inline-block;
    padding: 3px 8px;
    background: var(--color-red);
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 10px;
    margin-left: 8px;
    vertical-align: super;
    box-shadow: 0 2px 4px rgba(255, 59, 48, 0.3);
}

.comparison-table .bg-beige {
    background: #f5e6d3;
}

.comparison-table .bg-pink {
    background: #ffcccb;
}

.comparison-table .bg-blue {
    background: #cce5ff;
}

.comparison-table .bg-green {
    background: #d4edda;
}

.comparison-table .bg-yellow {
    background: #fff3cd;
}

.comparison-table .bg-purple {
    background: #e6ccff;
}

/* Diagonal split cell */
.diagonal-split {
    position: relative;
    background: linear-gradient(to bottom right, #cce5ff 0%, #cce5ff 49.5%, transparent 50%, #d4edda 50.5%, #d4edda 100%);
    padding: 0 !important;
}

.diagonal-split::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom right, transparent 0%, transparent calc(50% - 0.5px), rgba(0, 0, 0, 0.2) calc(50% - 0.5px), rgba(0, 0, 0, 0.2) calc(50% + 0.5px), transparent calc(50% + 0.5px), transparent 100%);
    pointer-events: none;
}

/* Remove borders between specific cells */
.no-border-bottom {
    border-bottom: none !important;
}

.no-border-top {
    border-top: none !important;
}

@media (prefers-color-scheme: dark) {
    .comparison-table {
        background: var(--color-bg-tertiary);
    }

    .comparison-table thead th {
        background: var(--color-bg-secondary);
    }

    .comparison-table .bg-beige {
        background: rgba(245, 230, 211, 0.15);
    }

    .comparison-table .bg-pink {
        background: rgba(255, 204, 203, 0.15);
    }

    .comparison-table .bg-blue {
        background: rgba(204, 229, 255, 0.15);
    }

    .comparison-table .bg-green {
        background: rgba(212, 237, 218, 0.15);
    }

    .comparison-table .bg-yellow {
        background: rgba(255, 243, 205, 0.15);
    }

    .comparison-table .bg-purple {
        background: rgba(230, 204, 255, 0.15);
    }

    .diagonal-split {
        background: linear-gradient(to bottom right, rgba(204, 229, 255, 0.15) 0%, rgba(204, 229, 255, 0.15) 49.5%, transparent 50%, rgba(212, 237, 218, 0.15) 50.5%, rgba(212, 237, 218, 0.15) 100%);
    }

    .diagonal-split::after {
        background: linear-gradient(to bottom right, transparent 0%, transparent calc(50% - 0.5px), rgba(255, 255, 255, 0.2) calc(50% - 0.5px), rgba(255, 255, 255, 0.2) calc(50% + 0.5px), transparent calc(50% + 0.5px), transparent 100%);
    }
}

/* Version History Page */
.version-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
    text-align: center;
}

@media (max-width: 480px) {
    .version-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

.version-list {
    max-width: 800px;
    margin: 0 auto;
}

.version-card {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.version-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
}

.version-card.major .version-header {
    background: var(--color-primary);
}

@media (max-width: 480px) {
    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
}

.version-number {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.version-card.major .version-number {
    font-size: 1.25rem;
    color: white;
}

.version-date {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

.version-card.major .version-date {
    color: rgba(255, 255, 255, 0.8);
}

.version-notes {
    padding: var(--space-lg) var(--space-xl);
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
}

.load-more-container {
    text-align: center;
    padding: var(--space-2xl) 0;
}