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

:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --background-primary: #ffffff;
    --background-secondary: #f8fafc;
    --background-dark: #0f172a;
    --background-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --surface: #ffffff;
    --border-color: #e5e7eb;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-base: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-base: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.navbar {
    padding: var(--space-4) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--primary-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--background-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-base);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

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

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

.hero-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.floating-particles::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(-10px) rotate(240deg); }
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.title-line {
    display: block;
    margin-bottom: var(--space-2);
}

.title-subtitle {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    opacity: 0.9;
    display: block;
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-6);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.8s forwards;
    line-height: 1.8;
}

.hero-slogan {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-8);
    font-style: italic;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.1s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.4s forwards;
}

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

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    color: white;
    opacity: 0.8;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border: 2px solid white;
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) rotate(-45deg) translateY(0);
    }
    40% {
        transform: translateX(-50%) rotate(-45deg) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) rotate(-45deg) translateY(-5px);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    min-width: 140px;
}

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

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

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

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

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

/* Section Styles */
section {
    padding: var(--space-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    font-style: italic;
}

/* Products Section */
.products {
    background: var(--background-secondary);
}

.products-grid {
    display: grid;
    gap: var(--space-8);
    max-width: 800px;
    margin: 0 auto;
}

.product-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

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

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

.product-image {
    height: 200px;
    background: var(--background-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-icon {
    font-size: 4rem;
    color: white;
}

.product-content {
    padding: var(--space-8);
}

.product-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.product-features {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.feature-tag {
    background: var(--primary-color);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Experience Steps */
.experience {
    background: var(--background-primary);
}

.steps-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.step-item {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--background-gradient);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    box-shadow: var(--shadow-lg);
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    line-height: 1.7;
}

.step-en {
    font-style: italic;
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* Technology Section */
.technology {
    background: var(--background-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.tech-card {
    background: var(--surface);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
}

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

.tech-icon {
    width: 80px;
    height: 80px;
    background: var(--background-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    font-size: 2rem;
    color: white;
}

.tech-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

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

/* About Section */
.about {
    background: var(--background-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-8);
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--space-2);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-element {
    position: relative;
    width: 300px;
    height: 300px;
}

.geometric-shape {
    width: 100%;
    height: 100%;
    background: var(--background-gradient);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
    0%, 100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
        transform: rotate(0deg);
    }
    25% {
        border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
        transform: rotate(90deg);
    }
    50% {
        border-radius: 50% 50% 50% 50% / 50% 50% 50% 50%;
        transform: rotate(180deg);
    }
    75% {
        border-radius: 30% 70% 70% 30% / 70% 30% 30% 70%;
        transform: rotate(270deg);
    }
}

/* Contact Section */
.contact {
    background: var(--background-secondary);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    gap: var(--space-8);
}

.contact-item {
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
    background: var(--surface);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-base);
    transition: all var(--transition-base);
}

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

.contact-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--background-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.contact-details h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    margin-bottom: var(--space-1);
}

.contact-en {
    font-style: italic;
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-8);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .company-stats {
        justify-content: center;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    .container {
        padding: 0 var(--space-3);
    }
    
    section {
        padding: var(--space-16) 0;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }
    
    .step-number {
        align-self: center;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-6);
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .products-grid {
        gap: var(--space-6);
    }
    
    .product-content {
        padding: var(--space-6);
    }
    
    .company-stats {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .visual-element {
        width: 200px;
        height: 200px;
    }
}

/* Performance Optimizations */
.hero-background,
.hero-overlay,
.hero-animation {
    will-change: transform;
}

.floating-particles::before {
    will-change: transform;
}

.geometric-shape {
    will-change: border-radius, transform;
}

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

/* Focus Styles */
.btn:focus,
.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease-out;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal-content {
    background: var(--background-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    animation: slideInUp 0.4s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-8) var(--space-8) var(--space-4);
    border-bottom: 1px solid var(--border-color);
    background: var(--background-secondary);
}

.modal-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-body {
    padding: var(--space-8);
    overflow-y: auto;
    max-height: calc(90vh - 120px);
    line-height: 1.7;
}

.modal-body h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--space-6) 0 var(--space-4) 0;
    border-left: 4px solid var(--primary-color);
    padding-left: var(--space-4);
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--space-4) 0 var(--space-2) 0;
}

.modal-body p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.modal-body ul {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.modal-body li {
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.close {
    color: var(--text-light);
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-base);
    transition: all var(--transition-base);
    line-height: 1;
}

.close:hover,
.close:focus {
    color: var(--text-primary);
    background: var(--border-color);
}

/* Modal Specific Styles */
.policy-date {
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.policy-date p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

.support-contact {
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.contact-method i {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: var(--space-1);
}

.contact-method h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-1) 0;
}

.contact-method p {
    margin: 0;
    color: var(--text-secondary);
}

.contact-note {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    font-style: italic;
}

.faq-section {
    margin-bottom: var(--space-6);
}

.faq-item {
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-bottom: var(--space-4);
    border-left: 4px solid var(--secondary-color);
}

.faq-item h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin: 0 0 var(--space-3) 0;
}

.faq-item p {
    margin: 0;
    color: var(--text-secondary);
}

.system-requirements {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.requirement-item {
    background: var(--background-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.requirement-item h4 {
    color: var(--primary-color);
    font-weight: 600;
    margin: 0 0 var(--space-4) 0;
    font-size: var(--font-size-lg);
}

.requirement-item ul {
    margin: 0;
    padding-left: var(--space-4);
}

.requirement-item li {
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    position: relative;
}

.requirement-item li::marker {
    color: var(--primary-color);
}

.support-hours {
    background: var(--background-gradient);
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
}

.support-hours h3 {
    color: white;
    border: none;
    padding: 0;
    margin: 0 0 var(--space-4) 0;
}

.support-hours p {
    color: rgba(255, 255, 255, 0.9);
    margin: var(--space-2) 0;
}

/* Modal Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Modal Responsive Design */
@media (max-width: 768px) {
    .modal-content {
        max-width: 95vw;
        margin: var(--space-4);
    }
    
    .modal-header {
        padding: var(--space-6) var(--space-6) var(--space-3);
    }
    
    .modal-header h2 {
        font-size: var(--font-size-xl);
    }
    
    .modal-body {
        padding: var(--space-6);
        max-height: calc(90vh - 100px);
    }
    
    .system-requirements {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .close {
        font-size: 28px;
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    .modal-content {
        max-width: 100vw;
        margin: 0;
        border-radius: 0;
        max-height: 100vh;
    }
    
    .modal-body {
        max-height: calc(100vh - 100px);
    }
    
    .modal-header {
        padding: var(--space-4);
    }
    
    .modal-body {
        padding: var(--space-4);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .modal {
        display: none;
    }
    
    section {
        break-inside: avoid;
        padding: var(--space-8) 0;
    }
}