/* Minimal, Text-Focused Design */
:root {
  --bg-color: #0a0a0a;
  --text-color: #e0e0e0;
  --accent-color: #00d4aa;
  --secondary-color: #666;
  --border-color: #333;
  --link-color: #00d4aa;
  --link-hover: #00ffcc;
  --meta-color: #888;
  --section-spacing: 2.5rem;
  --content-width: 800px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 400;
}

main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.5rem;
}

/* Header/Hero Section */
.hero {
  text-align: left;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--section-spacing);
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem 0;
  color: var(--accent-color);
  letter-spacing: -0.02em;
}

.hero .subtitle {
  font-size: 1.2rem;
  color: var(--secondary-color);
  margin: 0 0 0.5rem 0;
  font-weight: 400;
}

.hero .description {
  font-size: 1rem;
  color: var(--text-color);
  margin: 0;
  max-width: 600px;
}

/* Content Sections */
.content-section {
  margin-bottom: var(--section-spacing);
}

.content-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-color);
  margin: 0 0 1.5rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: -0.01em;
}

/* Research Papers */
.papers-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.paper {
  padding: 0;
}

.paper h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 0.5rem 0;
  line-height: 1.4;
}

.paper h3 a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

.paper h3 a:hover {
  color: var(--link-hover);
}

.paper .meta {
  color: var(--meta-color);
  font-size: 0.9rem;
  margin: 0;
  font-style: italic;
}

/* Blog Posts */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blog-post {
  padding: 0;
}

.blog-post h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 0.3rem 0;
  line-height: 1.4;
}

.blog-post h3 a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

.blog-post h3 a:hover {
  color: var(--link-hover);
}

.blog-post .description {
  color: var(--secondary-color);
  font-size: 0.95rem;
  margin: 0;
}

.view-all {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.view-all a {
  color: var(--link-color);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.view-all a:hover {
  color: var(--link-hover);
}

/* Projects */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project {
  padding: 0;
}

.project h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 0.3rem 0;
  line-height: 1.4;
}

.project h3 a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

.project h3 a:hover {
  color: var(--link-hover);
}

.project .description {
  color: var(--secondary-color);
  font-size: 0.95rem;
  margin: 0;
}

/* Works */
.works-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.work {
  padding: 0;
}

.work h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 0 0 0.3rem 0;
  line-height: 1.4;
}

.work h3 a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

.work h3 a:hover {
  color: var(--link-hover);
}

.work .description {
  color: var(--secondary-color);
  font-size: 0.95rem;
  margin: 0;
}

/* Contact */
.contact-info p {
  margin: 0 0 0.75rem 0;
  color: var(--secondary-color);
}

.social-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.social-links a {
  color: var(--link-color);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
  padding: 0.25rem 0;
}

.social-links a:hover {
  color: var(--link-hover);
}

/* Footer */
footer {
  text-align: center;
  padding: 1.5rem 0;
  margin-top: var(--section-spacing);
  border-top: 1px solid var(--border-color);
  color: var(--meta-color);
  font-size: 0.9rem;
}

/* Links */
a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Back Link */
.back-link {
  display: inline-flex;
  align-items: center;
  color: var(--text-color);
  text-decoration: none;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  main {
    padding: 1rem;
  }
  
  .hero {
    padding: 2rem 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero .subtitle {
    font-size: 1.1rem;
  }
  
  .content-section {
    margin-bottom: 3rem;
  }
  
  .content-section h2 {
    font-size: 1.3rem;
  }
  
  .social-links {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero .subtitle {
    font-size: 1rem;
  }
  
  .content-section h2 {
    font-size: 1.2rem;
  }
  
  .paper h3,
  .blog-post h3,
  .project h3,
  .work h3 {
    font-size: 1rem;
  }
}