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

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

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

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

header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    text-decoration: none;
}

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

.nav-links a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #2563eb;
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.article-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.article-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.article-meta {
    opacity: 0.9;
    font-size: 1.1rem;
}

.cta-button {
    background: white;
    color: #667eea;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.section-title--on-dark {
    color: #f3f4f6;
}

.team {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.team-member {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #9ca3af;
    overflow: hidden;
    border: 3px solid #e5e7eb;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.member-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.member-role {
    color: #666;
    margin-bottom: 1rem;
}

.services {
    background: white;
}

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

.service-card {
    padding: 2rem;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    transition: border-color 0.3s;
}

.service-card:hover {
    border-color: #2563eb;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: #e0eaff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: white;
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

.blog {
    background: #f8fafc;
}

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

.blog-post {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.blog-post:hover {
    transform: translateY(-3px);
}

.blog-post h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

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

.read-more {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
}

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

.contact {
    background: #1f2937;
    color: white;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.contact-item {
    padding: 2rem;
}

.contact-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #f3f4f6;
}

.contact-item p {
    color: #d1d5db;
}

.contact-item a {
    color: #60a5fa;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.article-content {
    background: white;
    margin: -2rem auto 0;
    border-radius: 15px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
    position: relative;
    z-index: 10;
    margin-bottom: 2rem;
}

.article-body {
    padding: 3rem;
}

.article-body h2 {
    color: #333;
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    font-weight: 600;
}

.article-body h3 {
    color: #333;
    font-size: 1.4rem;
    margin: 1.5rem 0 0.5rem;
    font-weight: 600;
}

.article-body p {
    margin-bottom: 1.5rem;
    color: #555;
    font-size: 1.1rem;
    line-height: 1.7;
}

.article-body a {
    text-decoration: none;
    transition: color 0.3s;
}

.article-body a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.code-block {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin: 1.5rem 0;
    overflow: hidden;
}

.playground-link {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    margin: 0.5rem 0 1rem;
    transition: background 0.3s;
}

.playground-link:hover {
    background: #1d4ed8;
    color: white;
    text-decoration: none;
}

blockquote {
    border-left: 4px solid #2563eb;
    background: #f0f4ff;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 10px 10px 0;
    font-style: italic;
    color: #555;
}

ul {
    margin: 1rem 0 0.5rem 2rem;
}

ul li {
    margin-bottom: 0.5rem;
    color: #555;
    line-height: 1.6;
}

.recommendations {
    background: #f8fafc;
    border-radius: 10px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid #e2e8f0;
}

.recommendations h3 {
    color: #2563eb;
    margin-bottom: 1rem;
}

footer {
    background: #111827;
    color: #9ca3af;
    text-align: center;
    padding: 2rem 0;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .article-hero h1 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .article-body {
        padding: 2rem 1rem;
    }

    .article-container {
        padding: 0 10px;
    }
}