/* ==============================================
   KAIZEN APP WEBSITE - MINIMALIST DESIGN
   ============================================== */

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

/* CSS Variables - Kaizen Design System */
:root {
    /* Colors */
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #666666;
    --color-text-muted: #9ca3af;
    --color-accent: #000000;
    --color-accent-light: #333333;
    --color-background: #ffffff;
    --color-surface: #fafafa;
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #000000 0%, #333333 100%);
    --gradient-soft: linear-gradient(135deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.02) 100%);
    --gradient-background: 
        radial-gradient(circle at 25% 25%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0, 0, 0, 0.01) 0%, transparent 50%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extra-bold: 800;
    
    /* Spacing (8px grid system) */
    --space-xs: 0.25rem; /* 4px */
    --space-sm: 0.5rem;  /* 8px */
    --space-md: 1rem;    /* 16px */
    --space-lg: 1.5rem;  /* 24px */
    --space-xl: 2rem;    /* 32px */
    --space-2xl: 3rem;   /* 48px */
    --space-3xl: 4rem;   /* 64px */
    --space-4xl: 6rem;   /* 96px */
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.25s ease-out;
    --transition-slow: 0.4s ease-out;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.5;
}

body {
    font-family: var(--font-family);
    color: var(--color-text-primary);
    background: var(--color-background);
    background-image: var(--gradient-background);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

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

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

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: var(--font-weight-bold);
    font-size: 1.25rem;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

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

/* Hero Section */
.hero {
    padding: calc(70px + var(--space-4xl)) var(--space-lg) var(--space-4xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-extra-bold);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-features {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.feature-icon {
    font-size: 1rem;
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

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

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

.cta-button.secondary {
    background: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

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

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

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

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

.phone-mockup {
    position: relative;
    z-index: 1;
}

.phone-frame {
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #f8f9fa, #e9ecef);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #bbb;
    border-radius: 3px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 28px;
    overflow: hidden;
    position: relative;
}

.hero-screenshot,
.showcase-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.screenshot {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border-light);
}

.screenshot:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.phone-shadow {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 40px;
    background: radial-gradient(ellipse, rgba(0, 0, 0, 0.2) 0%, transparent 70%);
    z-index: 0;
}

/* Screenshots - Mobile App Optimized */
.hero-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius-lg);
}

.screenshot-image {
    width: 220px;
    height: 391px;
    max-width: 220px;
    min-height: 391px;
    aspect-ratio: 9/16;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius-lg);
    margin: 0 auto var(--space-md) auto;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: block;
}

.screenshot-image:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.screenshot-image.main {
    border: 2px solid var(--color-accent);
    width: 250px;
    height: 444px;
    max-width: 250px;
    min-height: 444px;
}

.showcase-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius-lg);
}

/* Screenshot Placeholders (fallback) */
.screenshot-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: var(--radius-lg);
    border: 2px dashed var(--color-border);
    transition: all var(--transition-normal);
}

.screenshot-placeholder:hover {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, #f1f3f4 0%, #e1e5e9 100%);
}

.placeholder-text {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    line-height: 1.4;
}

.screenshot-placeholder.main {
    background: linear-gradient(135deg, #000 0%, #333 100%);
    color: white;
}

.screenshot-placeholder.main .placeholder-text {
    color: rgba(255, 255, 255, 0.7);
}

.screenshot-placeholder.showcase {
    height: 400px;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

/* Sections */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--color-background);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
}

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

.feature-icon-bg {
    width: 60px;
    height: 60px;
    background: var(--gradient-soft);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.feature-icon-large {
    font-size: 1.5rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

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

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

.screenshots-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

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

.screenshot-item .screenshot-placeholder {
    height: 400px;
    margin-bottom: var(--space-md);
}

.screenshot-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.screenshot-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Download Section */
.download {
    padding: var(--space-4xl) 0;
    background: var(--color-surface);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.download-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.download-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.download-features {
    margin-bottom: var(--space-xl);
}

.download-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-weight: var(--font-weight-medium);
}

.feature-check {
    color: #10b981;
    font-weight: var(--font-weight-bold);
}

.download-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    min-width: 180px;
}

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

.download-btn.android {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.download-btn.ios {
    opacity: 0.6;
    cursor: not-allowed;
}

.download-icon {
    width: 24px;
    height: 24px;
}

.download-text-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.download-label {
    font-size: 0.75rem;
    opacity: 0.8;
}

.download-platform {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
}

.version-info {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Download Visual */
.download-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phone-showcase {
    position: relative;
}

.showcase-phone {
    width: 240px;
    height: 480px;
    background: linear-gradient(145deg, #f8f9fa, #e9ecef);
    border-radius: 32px;
    padding: 8px;
    box-shadow: var(--shadow-xl);
}

.showcase-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 24px;
    overflow: hidden;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    font-size: 1.5rem;
    animation: float 4s ease-in-out infinite;
    animation-delay: var(--delay, 0s);
    opacity: 0.7;
}

.floating-element:nth-child(1) { 
    top: 10%; 
    left: 10%; 
    animation-delay: 0s;
}

.floating-element:nth-child(2) { 
    top: 20%; 
    right: 10%; 
    animation-delay: 1s;
}

.floating-element:nth-child(3) { 
    bottom: 30%; 
    left: 15%; 
    animation-delay: 2s;
}

.floating-element:nth-child(4) { 
    bottom: 10%; 
    right: 15%; 
    animation-delay: 3s;
}



@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* Footer */
.footer {
    background: var(--color-text-primary);
    color: white;
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-xl);
}

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

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

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

.footer-logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-title {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.back-to-top-icon {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --space-4xl: 4rem;
    }
    
    .hero-container,
    .download-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
        text-align: center;
    }
    
    .hero {
        padding-top: calc(70px + var(--space-3xl));
    }
    
    .nav-links {
        gap: var(--space-lg);
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .screenshots-gallery {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --space-4xl: 3rem;
        --space-3xl: 2.5rem;
    }
    
    .nav-container {
        padding: 0 var(--space-md);
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: calc(70px + var(--space-xl)) var(--space-md) var(--space-xl);
        min-height: 70vh;
    }
    
    .hero-container {
        gap: var(--space-xl);
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--space-lg);
    }
    
    .phone-frame {
        width: 220px;
        height: 460px;
    }
    
    .showcase-phone {
        width: 200px;
        height: 400px;
    }
    
    .section-container {
        padding: 0 var(--space-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .screenshots-gallery {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .screenshot-item .screenshot-placeholder {
        height: 300px;
    }
    
    .screenshot-image {
        width: 170px;
        height: 302px;
        max-width: 170px;
        min-height: 302px;
        aspect-ratio: 9/16;
    }
    
    .screenshot-image.main {
        width: 190px;
        height: 338px;
        max-width: 190px;
        min-height: 338px;
    }
    
    .download-buttons {
        justify-content: center;
    }
    
    .download-btn {
        min-width: 160px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .back-to-top {
        bottom: var(--space-lg);
        right: var(--space-lg);
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 60px;
    }
    
    .hero {
        padding-top: calc(60px + var(--space-lg));
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        justify-content: center;
        max-width: 280px;
    }
    
    .hero-stats {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .phone-frame {
        width: 180px;
        height: 380px;
    }
    
    .showcase-phone {
        width: 160px;
        height: 320px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn {
        width: 100%;
        max-width: 240px;
    }
    
    .floating-elements {
        display: none;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .back-to-top,
    .floating-elements {
        display: none;
    }
    
    .hero {
        padding-top: var(--space-xl);
    }
    
    * {
        box-shadow: none !important;
    }
    
    .phone-frame,
    .showcase-phone {
        border: 1px solid var(--color-border);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-element {
        animation: none;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-border-light: #333333;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
        --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
    }
    
    .screenshot-placeholder {
        border-width: 3px;
        border-style: solid;
    }
}

/* Focus Styles for Accessibility */
a:focus,
button:focus,
.nav-link:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

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

::-moz-selection {
    background: var(--color-accent);
    color: white;
}