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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #2d3748;
  background: linear-gradient(135deg, #2d5a27 0%, #1e3a1a 100%);
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.hero {
  text-align: center;
  padding: 4rem 0;
  margin-bottom: 3rem;
}

.hero-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 3rem 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.name {
  font-size: 3rem;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #22c55e, #15803d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title {
  font-size: 1.25rem;
  font-weight: 500;
  color: #4a5568;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.description {
  font-size: 1.1rem;
  color: #718096;
  max-width: 600px;
  margin: 0 auto;
  font-weight: 300;
}

.content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.links-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 2rem;
  text-align: center;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: white;
  border-radius: 12px;
  text-decoration: none;
  color: #2d3748;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
  position: relative;
  overflow: hidden;
}

.link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s;
}

.link-card:hover::before {
  left: 100%;
}

.link-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: #cbd5e0;
}

.link-icon {
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: #f7fafc;
}

.link-icon i {
  font-size: 1.25rem;
}

.link-card.email .link-icon {
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
  color: white;
}

.link-card.scholar .link-icon {
  background: linear-gradient(135deg, #4285f4, #1a73e8);
  color: white;
}

.link-card.github .link-icon {
  background: linear-gradient(135deg, #333, #24292e);
  color: white;
}

.link-card.linkedin .link-icon {
  background: linear-gradient(135deg, #0077b5, #005885);
  color: white;
}

.link-card.twitter .link-icon {
  background: linear-gradient(135deg, #1da1f2, #0d8bd9);
  color: white;
}

.link-card span {
  font-weight: 500;
  font-size: 1rem;
}

.x-logo {
  font-size: 1.4rem;
  font-weight: bold;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

.research-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(226, 232, 240, 0.6);
}

.research-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 2rem;
  text-align: center;
}

.papers-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.paper-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.paper-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s;
}

.paper-card:hover::before {
  left: 100%;
}

.paper-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: #cbd5e0;
  text-decoration: none;
}

.paper-card:visited {
  text-decoration: none;
}

.paper-card:active {
  text-decoration: none;
}

.paper-image {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
}

.paper-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

.placeholder-image {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #4ade80, #22c55e);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.paper-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.paper-content h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  color: #2d3748;
  transition: color 0.3s ease;
}

.paper-card:hover .paper-content h3 {
  color: #22c55e;
}

.paper-content p {
  margin: 0;
  color: #718096;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .hero {
    padding: 2rem 0;
  }
  
  .hero-content {
    padding: 2rem 1.5rem;
  }
  
  .name {
    font-size: 2.5rem;
  }
  
  .content {
    padding: 2rem 1.5rem;
  }
  
  .links-grid {
    grid-template-columns: 1fr;
  }

  .paper-card {
    flex-direction: column;
    gap: 1rem;
  }

  .paper-image {
    align-self: center;
  }
}

@media (max-width: 480px) {
  .name {
    font-size: 2rem;
  }
  
  .hero-content {
    padding: 1.5rem 1rem;
  }
  
  .content {
    padding: 1.5rem 1rem;
  }

  .paper-card {
    padding: 1rem;
  }

  .paper-content h3 {
    font-size: 1rem;
  }

  .paper-content p {
    font-size: 0.9rem;
  }
}