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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #2d3748;
  background: #f8fafc;
  min-height: 100vh;
}

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

.hero {
  text-align: center;
  padding: 3rem 0;
  background: linear-gradient(135deg, #e0f2fe 0%, #87ceeb 100%);
  margin: -2rem -1rem 3rem -1rem;
  color: #0c4a6e;
  border-radius: 0 0 1rem 1rem;
  margin-bottom: 2rem;
}

.hero-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid #9abdcc;
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.3);
  margin-bottom: 1.5rem;
  display: block;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1rem;
  opacity: 0.95;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

.hero-subtitle a {
  color: #6788b7;
  text-decoration: underline;
  font-weight: 600;
}

.hero-subtitle a:hover {
  opacity: 0.85;
}

nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

nav a {
  padding: 0.75rem 1.5rem;
  background: white;
  color: #0ea5e9;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

nav a:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.2);
}

.section {
  background: white;
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}

.section h2 {
  font-size: 1.5rem;
  color: #1e293b;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section h2::before {
  content: "";
  width: 4px;
  height: 24px;
  background: linear-gradient(135deg, #e0f2fe 0%, #87ceeb 100%);
  border-radius: 2px;
}

.about-list {
  list-style: none;
  padding: 0;
}

.about-list li {
  padding: 1rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: #4a5568;
}

.about-list li::before {
  content: "💬";
  position: absolute;
  left: 0;
  color: #0ea5e9;
  font-size: 1.5rem;
  line-height: 1;
}

.about-list a {
  color: #0ea5e9;
  text-decoration: none;
  font-weight: 500;
}

.about-list a:hover {
  text-decoration: underline;
}

.publication {
  padding: 2rem 0;
  border-bottom: 1px solid #e5e7eb;
}

.publication:last-child {
  border-bottom: none;
}

.publication h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1e293b;
}

.publication h3 a {
  color: #0ea5e9;
  text-decoration: none;
  transition: color 0.2s ease;
}

.publication h3 a:hover {
  color: #87ceeb;
  text-decoration: underline;
}

.publication .venue {
  display: inline-block;
  background: linear-gradient(135deg, #e0f2fe 0%, #87ceeb 100%);
  color: #076793;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.publication .authors {
  color: #64748b;
  font-size: 0.95rem;
}

.contact-card {
  text-align: center;
  padding: 2rem;
}

.email {
  font-size: 2.5rem;
  font-weight: 600;
  color: #0ea5e9;
  margin-bottom: 1.5rem;
}

.email a {
  color: #0ea5e9;
  text-decoration: none;
  word-break: break-all;
}

.email a:hover {
  text-decoration: underline;
}

.links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.link-card {
  background: linear-gradient(135deg, #e0f2fe 0%, #87ceeb 100%);
  padding: 1.5rem;
  border-radius: 0.75rem;
  text-align: center;
  text-decoration: none;
  color: #345788;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.2);
}

.link-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.3);
}

.link-card-icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

footer {
  text-align: center;
  padding: 2rem 0;
  color: #64748b;
  font-size: 0.875rem;
}

@media (max-width: 640px) {
  .hero {
    padding: 3rem 1rem;
    margin: -2rem -1rem 2rem -1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section {
    padding: 1.5rem;
  }

  .email {
    font-size: 2rem;
  }

  .links {
    grid-template-columns: 1fr;
  }
}

p.authors strong {
  font-weight: 700;
  color: #000000;
}