:root {
    /* Colors - GitHub inspired */
    --color-canvas-default: #ffffff;
    --color-canvas-subtle: #f6f8fa;
    --color-border-default: #d0d7de;
    --color-border-muted: #e8eaed;
    --color-fg-default: #24292f;
    --color-fg-muted: #656d76;
    --color-fg-subtle: #7c8591;

    /* Brand colors */
    --color-accent-fg: #0969da;
    --color-accent-emphasis: #0550ae;
    --color-success-fg: #1a7f37;
    --color-danger-fg: #d1242f;
    --color-warning-fg: #9a6700;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, #0969da 0%, #0550ae 100%);
    --gradient-hero: linear-gradient(135deg, #f6f8fa 0%, #ffffff 100%);
    --gradient-feature: linear-gradient(135deg, #ffffff 0%, #f6f8fa 100%);

    /* Spacing */
    --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;

    /* Typography */
    --font-family-mono: 'SF Mono', Monaco, 'Inconsolata', 'Roboto Mono', 'Ubuntu Mono', monospace;
    --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 3px 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);

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* Dark mode variables */
@media (prefers-color-scheme: dark) {
    :root {
        --color-canvas-default: #0d1117;
        --color-canvas-subtle: #161b22;
        --color-border-default: #30363d;
        --color-border-muted: #21262d;
        --color-fg-default: #f0f6fc;
        --color-fg-muted: #7d8590;
        --color-fg-subtle: #6e7681;
        --gradient-hero: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
        --gradient-feature: linear-gradient(135deg, #161b22 0%, #0d1117 100%);
    }
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-fg-default);
    background-color: var(--color-canvas-default);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
    padding: var(--space-4) 0;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
}

.nav-container {
    max-width: 1280px;
    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: 600;
    font-size: var(--font-size-lg);
    text-decoration: none;
    color: #f0f6fc;
}

.nav-logo a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    width: 64px;
    height: 64px;
}

.logo-text {
    display: flex;
    align-items: baseline;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-main {
    color: #f0f6fc;
}

.logo-accent {
    color: #58a6ff;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    text-decoration: none;
    color: rgba(240, 246, 252, 0.7);
    font-weight: 500;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    position: relative;
    font-size: var(--font-size-sm);
}

.nav-link:hover,
.nav-link.active {
    color: #58a6ff;
    background-color: rgba(88, 166, 255, 0.1);
    backdrop-filter: blur(10px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #58a6ff, #0969da);
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 1px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--space-2);
}

.bar {
    width: 24px;
    height: 2px;
    background-color: #f0f6fc;
    margin: 2px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: calc(var(--space-20) + 60px) 0 var(--space-20);
    background: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #21262d 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(88, 166, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(9, 105, 218, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(5, 80, 174, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-6);
    color: #f0f6fc;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.gradient-text {
    background: linear-gradient(135deg, #58a6ff 0%, #0969da 50%, #0550ae 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.gradient-text::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #58a6ff 0%, #0969da 50%, #0550ae 100%);
    opacity: 0.1;
    border-radius: var(--radius-md);
    z-index: -1;
    filter: blur(20px);
}

.hero-description {
    font-size: var(--font-size-xl);
    color: rgba(240, 246, 252, 0.8);
    margin-bottom: var(--space-8);
    line-height: 1.5;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    align-items: center;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.globe-container {
    position: relative;
    width: 200px;
    height: 200px;
}

.globe {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, #58a6ff 0%, #0969da 50%, #0550ae 100%);
    position: relative;
    animation: rotate 20s linear infinite;
    box-shadow:
        0 20px 40px rgba(88, 166, 255, 0.3),
        0 10px 20px rgba(9, 105, 218, 0.2),
        inset 0 2px 4px rgba(255, 255, 255, 0.1);
}

.globe::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.3) 0%, transparent 70%),
        rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.globe::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    pointer-events: none;
}

.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.line {
    position: absolute;
    background: linear-gradient(45deg, #58a6ff, #0969da);
    border-radius: 2px;
    opacity: 0.8;
    box-shadow: 0 0 10px rgba(88, 166, 255, 0.5);
}

.line-1 {
    width: 2px;
    height: 80px;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    animation: pulse 2s ease-in-out infinite;
}

.line-2 {
    width: 80px;
    height: 2px;
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
    animation: pulse 2s ease-in-out infinite 0.5s;
}

.line-3 {
    width: 2px;
    height: 80px;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    animation: pulse 2s ease-in-out infinite 1s;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); box-shadow: 0 0 20px rgba(88, 166, 255, 0.8); }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--gradient-brand);
    color: white;
    border-color: var(--color-accent-emphasis);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-canvas-default);
    color: var(--color-fg-default);
    border-color: var(--color-border-default);
}

.btn-secondary:hover {
    background: var(--color-canvas-subtle);
    border-color: var(--color-border-default);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-fg-default);
}

.section-description {
    font-size: var(--font-size-xl);
    color: var(--color-fg-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--space-20) 0;
    background: var(--color-canvas-default);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background: var(--gradient-feature);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.feature-card:hover::before {
    left: 100%;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-brand);
    color: white;
    border-radius: var(--radius-lg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-fg-default);
}

.feature-description {
    color: var(--color-fg-muted);
    line-height: 1.6;
}

/* Stats Section */
.stats {
    padding: var(--space-16) 0;
    background: var(--color-canvas-subtle);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
}

.stat-card {
    text-align: center;
    padding: var(--space-6);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-accent-fg);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--font-size-lg);
    color: var(--color-fg-muted);
    font-weight: 500;
}

/* CTA Section */
.cta {
    padding: var(--space-20) 0;
    background: var(--gradient-hero);
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-fg-default);
}

.cta-description {
    font-size: var(--font-size-xl);
    color: var(--color-fg-muted);
    margin-bottom: var(--space-8);
}

/* Footer */
.footer {
    background: var(--color-canvas-subtle);
    border-top: 1px solid var(--color-border-muted);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-16);
    margin-bottom: var(--space-8);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
    color: var(--color-fg-default);
}

.footer-description {
    color: var(--color-fg-muted);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.footer-column {
    min-width: 140px;
}

.footer-title {
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-fg-default);
}

.footer-link {
    display: block;
    color: var(--color-fg-muted);
    text-decoration: none;
    margin-bottom: var(--space-2);
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--color-accent-fg);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-muted);
    color: var(--color-fg-muted);
}

/* Page Layout */
.main-content {
    padding-top: calc(60px + var(--space-8));
    min-height: calc(100vh - 60px);
}

.page-header {
    text-align: center;
    padding: var(--space-16) 0;
    background: var(--gradient-hero);
}

.page-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: var(--color-fg-default);
}

.page-description {
    font-size: var(--font-size-xl);
    color: var(--color-fg-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Content Cards */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.content-card {
    background: var(--gradient-feature);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all 0.3s ease;
}

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

.card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-brand);
    color: white;
    border-radius: var(--radius-xl);
}

.card-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-fg-default);
}

.card-description {
    color: var(--color-fg-muted);
    margin-bottom: var(--space-6);
    line-height: 1.6;
}

/* Steps */
.steps-card {
    background: var(--color-canvas-default);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.steps-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--space-6);
    color: var(--color-fg-default);
    text-align: center;
}

.steps-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

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

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-fg-default);
}

.step-description {
    color: var(--color-fg-muted);
    line-height: 1.5;
}

/* Info Section */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-16);
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--color-canvas-subtle);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-muted);
}

.info-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--gradient-brand);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-content {
    flex: 1;
}

.info-title {
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-fg-default);
}

.info-description {
    color: var(--color-fg-muted);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Next Steps */
.next-steps {
    background: var(--color-canvas-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-16);
}

.next-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--space-6);
    color: var(--color-fg-default);
    text-align: center;
}

.next-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.next-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-6);
    background: var(--color-canvas-default);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
}

.next-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent-fg);
}

.next-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: var(--gradient-brand);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.next-card-title {
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-fg-default);
}

.next-card-description {
    color: var(--color-fg-muted);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

/* Platform Cards */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.platform-card {
    background: var(--gradient-feature);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all 0.3s ease;
}

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

.platform-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-brand);
    color: white;
    border-radius: var(--radius-xl);
}

.platform-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-fg-default);
}

.platform-description {
    color: var(--color-fg-muted);
    margin-bottom: var(--space-6);
}

.platform-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.platform-info {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-fg-subtle);
}

.info-item {
    padding: var(--space-2) var(--space-3);
    background: var(--color-canvas-subtle);
    border-radius: var(--radius-sm);
}

/* Installation Guide */
.installation-guide {
    background: var(--color-canvas-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-16);
}

.guide-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--space-6);
    color: var(--color-fg-default);
    text-align: center;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.requirement-card {
    background: var(--color-canvas-default);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.requirement-title {
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-fg-default);
}

.requirement-list {
    list-style: none;
    color: var(--color-fg-muted);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.requirement-list li {
    margin-bottom: var(--space-2);
    padding-left: var(--space-4);
    position: relative;
}

.requirement-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success-fg);
    font-weight: 600;
}

/* Platform Tabs */
.platform-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
    background: var(--color-canvas-subtle);
    padding: var(--space-2);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.tab-button {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    background: transparent;
    color: var(--color-fg-muted);
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tab-button:hover,
.tab-button.active {
    background: var(--color-canvas-default);
    color: var(--color-accent-fg);
    box-shadow: var(--shadow-sm);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Setup Guide */
.setup-guide {
    background: var(--color-canvas-default);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-16);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.step-card {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-6);
    background: var(--color-canvas-subtle);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent-fg);
}

.step-actions {
    margin-top: var(--space-4);
}

.step-list {
    list-style: none;
    margin-top: var(--space-3);
    color: var(--color-fg-muted);
}

.step-list li {
    margin-bottom: var(--space-2);
    padding-left: var(--space-4);
    position: relative;
}

.step-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent-fg);
    font-weight: 600;
}

.step-note {
    margin-top: var(--space-3);
    padding: var(--space-3);
    background: var(--color-canvas-default);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-warning-fg);
    font-size: var(--font-size-sm);
    color: var(--color-fg-muted);
}

.step-note strong {
    color: var(--color-warning-fg);
}

/* Code blocks */
.code-block {
    position: relative;
    background: var(--color-canvas-subtle);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin: var(--space-3) 0;
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
}

.code-block code {
    color: var(--color-fg-default);
    background: none;
    padding: 0;
    border-radius: 0;
}

.copy-btn {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: var(--color-accent-fg);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background: var(--color-accent-emphasis);
}

/* Troubleshooting */
.troubleshooting {
    background: var(--color-canvas-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-16);
}

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

.faq-item {
    background: var(--color-canvas-default);
    border: 1px solid var(--color-border-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.faq-question {
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-fg-default);
}

.faq-answer p {
    color: var(--color-fg-muted);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 97px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: #0d1219;
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: var(--space-8);
        transition: left 0.3s ease;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-description {
        font-size: var(--font-size-lg);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .platform-buttons {
        flex-direction: column;
    }

    .platform-tabs {
        flex-wrap: wrap;
    }

    .step-card {
        flex-direction: column;
        gap: var(--space-4);
    }

    .hero-visual {
        height: 300px;
    }

    .globe-container {
        width: 150px;
        height: 150px;
    }

    .globe {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }

    .hero {
        padding: calc(var(--space-16) + 60px) 0 var(--space-16);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .page-title {
        font-size: var(--font-size-3xl);
    }

    .features-grid,
    .platforms-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .requirements-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

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

.feature-card,
.platform-card,
.step-card {
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.3s; }
.feature-card:nth-child(5) { animation-delay: 0.4s; }
.feature-card:nth-child(6) { animation-delay: 0.5s; }

/* Focus styles */
.btn:focus,
.nav-link:focus,
.tab-button:focus {
    outline: 2px solid var(--color-accent-fg);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .hero-visual,
    .connection-lines {
        display: none !important;
    }

    .hero {
        padding-top: var(--space-8);
    }

    * {
        background: white !important;
        color: black !important;
    }
}
