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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --dark-bg: #111827;
    --light-bg: #f9fafb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --card-bg: #ffffff;
    --code-bg: #1f2937;
    --max-width: 1200px;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.github-link {
    background-color: var(--dark-bg);
    color: white !important;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
}

.github-link:hover {
    background-color: #374151 !important;
}

/* Mobile Menu Button */
.mobile-menu-button {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 101;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-button.active .hamburger-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-button.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-button.active .hamburger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    text-align: center;
    background-color: var(--card-bg);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s;
}

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

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

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

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

/* Featured Tool Section */
.featured-tool {
    padding: 5rem 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.feature-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-list li {
    padding: 0.5rem 0;
    font-size: 1.125rem;
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.feature-image img {
    width: 100%;
    border-radius: 0.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Blog Preview Section */
.blog-preview {
    padding: 5rem 0;
    background-color: var(--card-bg);
}

.blog-preview h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

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

.blog-card {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 0.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.blog-card-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.blog-category {
    color: var(--primary-color);
    font-weight: 600;
}

.blog-date {
    color: var(--text-secondary);
}

.blog-card h3 {
    margin-bottom: 1rem;
}

.blog-card h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.blog-card h3 a:hover {
    color: var(--primary-color);
}

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

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.read-more:hover {
    text-decoration: underline;
}

.blog-footer {
    text-align: center;
}

/* Resources Section */
.resources {
    padding: 5rem 0;
}

.resources h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

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

.resource-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 0.5rem;
    text-align: center;
    transition: transform 0.3s;
}

.resource-card:hover {
    transform: translateY(-4px);
}

.resource-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.resource-card h3 {
    margin-bottom: 1rem;
}

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

.resource-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.resource-card a:hover {
    text-decoration: underline;
}

/* Get Started Section */
.get-started {
    padding: 5rem 0;
    background-color: var(--card-bg);
    text-align: center;
}

.get-started h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.get-started > p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.start-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.start-card {
    background-color: var(--light-bg);
    padding: 3rem;
    border-radius: 0.5rem;
}

.start-card h3 {
    margin-bottom: 1rem;
}

.start-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* About Section */
.about {
    padding: 5rem 0;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.about p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-links {
    margin-top: 2rem;
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.about-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.about-links a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

/* Blog Article Styles */
.article-header {
    padding: 3rem 0;
    background-color: var(--card-bg);
    text-align: center;
}

.article-meta {
    display: flex;
    gap: 2rem;
    justify-content: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 20px;
}

.article-content h2 {
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.article-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    margin-left: 2rem;
}

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

.article-content code {
    background-color: var(--code-bg);
    color: #f8f8f2;
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-family: 'Courier New', monospace;
}

.article-content pre {
    background-color: var(--code-bg);
    color: #f8f8f2;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.article-content pre code {
    background-color: transparent;
    padding: 0;
}

.article-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .resource-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .mobile-menu-button {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--card-bg);
        flex-direction: column;
        padding: 1rem 20px 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.mobile-active {
        display: flex;
    }
    
    .nav-menu a {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu a:last-child {
        border-bottom: none;
    }
    
    .github-link {
        text-align: center;
        margin-top: 0.5rem;
    }
    
    /* Hero */
    .hero {
        padding: 3rem 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    /* Grids */
    .feature-grid,
    .blog-grid,
    .resource-grid,
    .start-options {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        gap: 2rem;
    }
    
    .feature-content h2 {
        font-size: 1.75rem;
    }
    
    .feature-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    /* Sections */
    .featured-tool,
    .blog-preview,
    .resources,
    .get-started,
    .about {
        padding: 3rem 0;
    }
    
    .blog-preview h2,
    .resources h2,
    .get-started h2,
    .about h2 {
        font-size: 1.75rem;
    }
    
    /* Article */
    .article-header {
        padding: 2rem 0;
    }
    
    .article-header h1 {
        font-size: 1.5rem;
        padding: 0 1rem;
    }
    
    .article-meta {
        gap: 0.5rem;
        font-size: 0.875rem;
    }
    
    .article-content {
        padding: 2rem 20px;
    }
    
    .article-content h2 {
        font-size: 1.5rem;
    }
    
    .article-content h3 {
        font-size: 1.25rem;
    }
    
    /* About links */
    .about-links {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .feature-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .blog-card,
    .resource-card,
    .start-card {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}