:root {
    --primary-color: #4A90E2;
    --secondary-color: #357ABD;
    --accent-color: #5cb85c;
    --dark-color: #2C3E50;
    --light-color: #ECF0F1;
    --text-color: #34495E;
    --border-color: #BDC3C7;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo {
    height: 40px;
    margin-right: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.btn {
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

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

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

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

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

/* Stats */
.stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat p {
    opacity: 0.8;
}

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

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
    transition: all 0.3s;
}

.feature:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

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

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature p {
    color: #666;
}

/* Quick Start Section */
.quickstart {
    padding: 5rem 0;
    background: #f8f9fa;
}

.quickstart h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab {
    padding: 10px 20px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.tab:hover {
    background: var(--light-color);
}

.tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-content {
    display: none;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

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

.tab-content h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

pre {
    background: #2d2d2d;
    border-radius: 5px;
    padding: 1rem;
    overflow-x: auto;
    margin-bottom: 1rem;
}

code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

/* Packages Section */
.packages {
    padding: 5rem 0;
    background: white;
}

.packages h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.section-desc {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
}

.package-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.category h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.package-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.package-item {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s;
    border: 1px solid transparent;
}

.package-item:hover {
    background: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.package-item code {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.package-item span {
    font-size: 0.9rem;
    color: #666;
}

/* Examples Section */
.examples {
    padding: 5rem 0;
    background: #f8f9fa;
}

.examples h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.example {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.example:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.example h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.example p {
    margin-bottom: 1rem;
    color: #666;
}

.link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

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

/* API Reference Section */
.api-reference {
    padding: 5rem 0;
    background: white;
}

.api-reference h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

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

.api-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.api-section ul {
    list-style: none;
}

.api-section li {
    margin-bottom: 0.5rem;
}

.api-section a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-menu {
        display: none;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .feature-grid,
    .example-grid {
        grid-template-columns: 1fr;
    }
}