/* Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Base */
:root {
  --text: #2c2c2c;
  --text-secondary: #666;
  --bg: #fafaf8;
  --link: #2c2c2c;
  --link-hover: #555;
  --border: #e0e0e0;
  --max-width: 760px;
}

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

/* Header */
.site-header {
  margin-bottom: 3rem;
}

.site-title {
  font-size: 2.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.intro {
  display: flex;
  gap: 2rem;
  align-items: stretch;
}

.intro-text {
  flex: 1;
}

.site-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.25rem;
}

.site-subtitle a {
  color: var(--text);
}

/* Photo */
.photo {
  flex-shrink: 0;
  display: flex;
}

.photo img {
  width: 200px;
  height: 100%;
  object-fit: cover;
  border-radius: 2px;
}

/* margin */
.intro-text p {
  margin-bottom: 0.5rem;
}


/* Links */
a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

/* Sections */
.section {
  margin-top: 2.5rem;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

/* Publication list */
.pub-list {
  list-style: none;
  counter-reset: pub;
}

.pub-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.pub-list li::before {
  counter-increment: pub;
  content: counter(pub) ".";
  position: absolute;
  left: 0;
  color: var(--text-secondary);
}

.pub-coauthors {
  color: var(--text-secondary);
  display: block;
}

.pub-links {
  display: block;
  margin-top: 0.15rem;
}

.pub-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-right: 0.75rem;
}

.pub-links a:hover {
  color: var(--text);
}

/* Contact */
.contact {
  margin-top: 2.5rem;
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 600px) {
  html {
    font-size: 17px;
  }

  .container {
    padding: 2.5rem 1.25rem;
  }

  .intro {
    flex-direction: column-reverse;
    gap: 1.5rem;
  }

  .photo img {
    width: 180px;
  }
}