/* RuleDock Official Website */

:root {
    --primary-color: #00c9a7;
    --primary-dark: #00a88c;
    --primary-light: #33d4b7;
    --secondary-color: #00c9a7;
    --accent-color: #f0b429;
    --dark-bg: #111113;
    --dark-surface: #1a1a1e;
    --dark-border: #2e2e34;
    --light-bg: #f5f5f5;
    --light-surface: #ffffff;
    --text-primary: #e4e4e7;
    --text-secondary: #9a9aa3;
    --text-dark: #1a1a1e;
    --text-muted: #6b6b75;
    --success: #22c55e;
    --warning: #f0b429;
    --error: #ef4444;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header / Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(17, 17, 19, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--dark-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Switcher */
.lang-switcher {
    position: relative;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--dark-border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.lang-switcher:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.lang-dropdown a:hover {
    background: rgba(0, 201, 167, 0.06);
    color: var(--text-primary);
}

.lang-dropdown a.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: #111113;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: #111113;
}

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

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

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

.btn-outline:hover {
    background: var(--primary-color);
    color: #111113;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: var(--dark-bg);
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero-badge {
    display: inline-block;
    padding: 0.25rem 0;
    font-size: 0.875rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.hero h1 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-border);
}

.stat {
    text-align: left;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Screenshot / Demo */
.hero-demo {
    margin-top: 3rem;
}

.demo-window {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 900px;
}

.demo-header {
    display: none;
}

.demo-content {
    padding: 0;
    background: var(--dark-surface);
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-content img {
    width: 100%;
    height: auto;
    display: block;
}

/* Features Section */
.features {
    padding: 5rem 0;
}

.section-header {
    max-width: 600px;
    margin-bottom: 3rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    background: var(--dark-border);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.feature-card {
    background: var(--dark-surface);
    padding: 2rem;
    transition: background var(--transition-normal);
}

.feature-card:hover {
    background: #1f1f24;
}

.feature-icon {
    width: 36px;
    height: 36px;
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', monospace;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.85rem;
}

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

/* Blog List */
.blog-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.blog-list .feature-card {
    display: block;
    height: 100%;
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    transition: border-color var(--transition-normal);
}

.blog-list .feature-card:hover {
    border-color: var(--primary-color);
    background: var(--dark-surface);
}

@media (max-width: 900px) {
    .blog-list {
        grid-template-columns: 1fr;
        max-width: 820px;
        margin: 0 auto;
    }
}

/* Code Block */
.code-block {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: 1.5rem 0;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--dark-border);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-content {
    padding: 1rem;
    overflow-x: auto;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
}

.code-content code {
    color: var(--text-secondary);
}

.code-keyword { color: #c792ea; }
.code-string { color: #c3e88d; }
.code-property { color: #82aaff; }
.code-comment { color: #546e7a; }
.code-operator { color: #89ddff; }

/* Comparison Section */
.comparison {
    padding: 5rem 0;
    background: var(--dark-surface);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--dark-border);
}

.comparison-table th {
    background: var(--dark-surface);
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-table th:first-child {
    width: 40%;
}

.comparison-table td {
    color: var(--text-secondary);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.check {
    color: var(--success);
    font-size: 1.25rem;
}

.cross {
    color: var(--error);
    font-size: 1.25rem;
}

.highlight-column {
    background: rgba(0, 201, 167, 0.04);
}

/* Testimonials / Social Proof */
.testimonials {
    padding: 5rem 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.testimonial-content {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--dark-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--primary-color);
}

.testimonial-info h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.testimonial-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin: 0;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
    border-bottom: 1px solid var(--dark-border);
}

.cta-content {
    max-width: 560px;
}

.cta h2 {
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 3rem;
}

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

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.95rem;
}

.footer-links h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-border);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-surface);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
}

/* Documentation Styles */
.docs-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 3rem;
    padding: 6rem 0 4rem;
    min-height: 100vh;
}

.docs-sidebar {
    position: sticky;
    top: 6rem;
    height: fit-content;
}

.docs-nav {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.docs-nav h3 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.docs-nav ul {
    list-style: none;
}

.docs-nav li {
    margin-bottom: 0.5rem;
}

.docs-nav a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.docs-nav a:hover,
.docs-nav a.active {
    background: rgba(0, 201, 167, 0.08);
    color: var(--primary-color);
}

.docs-content {
    max-width: 800px;
}

.docs-content h1 {
    margin-bottom: 1.5rem;
}

.docs-content h2 {
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--dark-border);
}

.docs-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.docs-content p {
    margin-bottom: 1.5rem;
}

.docs-content ul,
.docs-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.docs-content li {
    margin-bottom: 0.5rem;
}

.docs-content pre {
    margin-bottom: 1.5rem;
}

/* Blog Styles */
.blog-header {
    padding: 8rem 0 3rem;
    text-align: center;
}

.blog-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.blog-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(0, 201, 167, 0.08);
    border-radius: var(--radius-sm);
    color: var(--primary-color);
}

.blog-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem;
}

.blog-content p {
    font-size: 1.1rem;
    line-height: 1.8;
}

.blog-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.blog-content h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.blog-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.blog-content > h2:first-child,
.blog-content > h3:first-child {
    margin-top: 0;
}

.blog-content ul,
.blog-content ol {
    margin: 1rem 0 1.5rem 1.5rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.blog-content li {
    margin-bottom: 0.5rem;
}

.blog-content img {
    max-width: 100%;
    border-radius: var(--radius-lg);
    margin: 2rem 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .docs-layout {
        grid-template-columns: 1fr;
    }
    
    .docs-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .comparison-table {
        display: block;
        overflow-x: auto;
    }
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-accent { color: var(--primary-color) !important; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden { display: none; }
.visible { display: block; }