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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, #007ACC 0%, #005999 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.nav-brand h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.nav-brand p {
    opacity: 0.9;
    font-size: 0.95rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.nav-links a:hover {
    border-bottom-color: rgba(255, 255, 255, 0.7);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a202c;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #007ACC;
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: #4a5568;
    margin-top: 0.5rem;
}

/* Extensions Section */
.extensions {
    padding: 4rem 0;
    background: white;
}

.extensions h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a202c;
}

.extension-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e2e8f0;
    margin-bottom: 2rem;
}

.extension-card.featured {
    border: 2px solid #007ACC;
    position: relative;
}

.extension-card.featured::before {
    content: "✨ Featured";
    position: absolute;
    top: -12px;
    left: 2rem;
    background: #007ACC;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.extension-header {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.extension-icon {
    flex-shrink: 0;
}

.extension-info h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #1a202c;
}

.extension-version {
    color: #007ACC;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.extension-description {
    color: #4a5568;
    line-height: 1.6;
}

.extension-features h4 {
    margin-bottom: 1.5rem;
    color: #1a202c;
    font-size: 1.2rem;
}

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

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 8px;
    border-left: 4px solid #007ACC;
}

.feature-icon {
    font-size: 1.2rem;
}

.extension-actions {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-primary {
    background: #007ACC;
    color: white;
    border: 2px solid #007ACC;
}

.btn-primary:hover {
    background: #005999;
    border-color: #005999;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 204, 0.3);
}

.btn-secondary {
    background: white;
    color: #007ACC;
    border: 2px solid #007ACC;
}

.btn-secondary:hover {
    background: #007ACC;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 204, 0.3);
}

.extension-stats {
    display: flex;
    gap: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: #4a5568;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-weight: 600;
    color: #1a202c;
}

/* Installation Guide */
.installation-guide {
    background: #f8fafc;
    border-radius: 12px;
    padding: 2rem;
    margin-top: 3rem;
}

.installation-guide h3 {
    margin-bottom: 2rem;
    color: #1a202c;
    font-size: 1.5rem;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.install-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    background: #007ACC;
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 0.5rem;
    color: #1a202c;
}

.step-content p {
    color: #4a5568;
    line-height: 1.5;
}

code, kbd {
    background: #e2e8f0;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.85em;
}

kbd {
    border: 1px solid #cbd5e0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* About Section */
.about {
    padding: 4rem 0;
    background: #f8fafc;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a202c;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #4a5568;
    line-height: 1.7;
}

.experience-highlights {
    margin-top: 2rem;
}

.experience-highlights h3 {
    margin-bottom: 1rem;
    color: #1a202c;
    font-size: 1.3rem;
}

.experience-highlights ul {
    list-style: none;
    padding-left: 0;
}

.experience-highlights li {
    padding: 0.5rem 0;
    color: #4a5568;
    position: relative;
    padding-left: 1.5rem;
}

.experience-highlights li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #007ACC;
    font-weight: bold;
}

.tech-stack h3 {
    margin-bottom: 1.5rem;
    color: #1a202c;
    font-size: 1.3rem;
}

.tech-categories {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tech-category h4 {
    margin-bottom: 0.75rem;
    color: #1a202c;
    font-size: 1rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: #007ACC;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 4rem 0;
    background: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1a202c;
}

.contact-intro {
    text-align: center;
    color: #4a5568;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.contact-link:hover {
    border-color: #007ACC;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 204, 0.1);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contact-text strong {
    color: #1a202c;
    font-size: 1.1rem;
}

.contact-text span:last-child {
    color: #4a5568;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-info p {
    margin: 0.25rem 0;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .extension-header {
        flex-direction: column;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .extension-actions {
        flex-direction: column;
    }
    
    .extension-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .tech-categories {
        gap: 1rem;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .install-step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        align-self: center;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .extensions h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .extension-card {
        padding: 1.5rem;
    }
    
    .installation-guide {
        padding: 1.5rem;
    }
}