:root {
    /* Colors */
    --color-primary: #2563EB;
    --color-primary-dark: #1d4ed8;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-bg: #ffffff;
    --color-bg-light: #f8fafc;
    --color-border: #e2e8f0;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-text: linear-gradient(135deg, #2563EB 0%, #7c3aed 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo-text .to {
    color: var(--color-primary);
}

.logo-text .dot-com {
    color: var(--color-text-light);
    font-weight: 400;
    font-size: 0.9rem;
}

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

.nav-link {
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-link-cta {
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.2s;
}

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

/* Hero Section */
.hero {
    padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-xl);
    text-align: center;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

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

.hero-description {
    font-size: 1rem;
    color: var(--color-text-light);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

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

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

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

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

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

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

/* Quick Links */
.quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.quick-link-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
    border: 2px solid transparent;
}

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

.quick-link-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.quick-link-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.quick-link-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
}

/* Section */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* Features Section */
.features {
    background: var(--color-bg-light);
}

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

.feature-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #eff6ff;
    border-radius: 10px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.feature-description {
    color: var(--color-text-light);
    line-height: 1.6;
    font-size: 0.875rem;
}

/* Installation Section */
.install-steps {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.step {
    display: flex;
    gap: var(--spacing-md);
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.step-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.3;
    min-width: 50px;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.code-block {
    background: #1e293b;
    color: #e2e8f0;
    padding: var(--spacing-sm);
    border-radius: 8px;
    position: relative;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.8125rem;
    line-height: 1.5;
    overflow-x: auto;
}

.code-block code {
    display: block;
    white-space: pre;
}

.copy-btn {
    position: absolute;
    top: var(--spacing-xs);
    right: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.375rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Showcase Section */
.showcase {
    background: var(--color-bg-light);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.showcase-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

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

.showcase-card.featured {
    border: 2px solid #eff6ff;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.showcase-badge {
    display: inline-block;
    background: #eff6ff;
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    align-self: flex-start;
}

.showcase-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    line-height: 1.4;
}

.showcase-description {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    flex: 1;
    font-size: 0.95rem;
}

.showcase-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.meta-item {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.showcase-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.tag {
    background: #f1f5f9;
    color: var(--color-text-light);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.showcase-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
    transition: all 0.2s;
}

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

.showcase-author {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* Footer CTA */
.footer-cta {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--color-bg-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand .logo {
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.footer-brand .logo-text .to {
    color: var(--color-primary);
}

.footer-brand .logo-text .dot-com {
    color: var(--color-text-light);
}

.footer-brand p {
    color: var(--color-text-light);
    margin-top: 0;
    font-size: 0.9rem;
}

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

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column a {
    display: block;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 0.875rem;
}

/* Table Styles for Installation Guides */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-size: 0.875rem;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

thead {
    background: var(--color-bg-light);
}

thead th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--color-text);
    border-bottom: 2px solid var(--color-border);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s;
}

tbody tr:hover {
    background: var(--color-bg-light);
}

tbody tr:last-child {
    border-bottom: none;
}

tbody td {
    padding: 0.875rem 1rem;
    color: var(--color-text);
    line-height: 1.6;
    vertical-align: top;
}

tbody td:first-child {
    font-weight: 600;
    color: var(--color-text);
}

tbody td code {
    background: var(--color-bg-light);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.8125rem;
    color: var(--color-primary);
}

/* Content Styles for Installation Pages */
.content-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: calc(var(--spacing-xl) + 60px) var(--spacing-md) var(--spacing-xl);
}

.content-page h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.content-page h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0.5rem;
}

.content-page h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.content-page h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.content-page p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    color: var(--color-text);
}

.content-page ul,
.content-page ol {
    margin: var(--spacing-sm) 0;
    padding-left: 1.5rem;
}

.content-page li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.content-page pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: var(--spacing-sm);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
    font-size: 0.8125rem;
    line-height: 1.5;
}

.content-page code {
    font-family: 'Monaco', 'Courier New', monospace;
}

.content-page p code,
.content-page li code {
    background: var(--color-bg-light);
    padding: 0.125rem 0.375rem;
    border-radius: 3px;
    font-size: 0.875rem;
    color: var(--color-primary);
}

.content-page blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    color: var(--color-text-light);
    font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.85rem;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

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

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

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

    .step {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}