/* ====== GLOBAL BASE STYLES ====== */
html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  color: #222;
  background-color: #fff;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main.container {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 6em 1em 100px; /* Top: space for fixed header, Bottom: for fixed footer */
}

/* ====== HEADER + NAV BAR ====== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #e2e4e6;
  padding: 1em 0;
  border-bottom: 1px solid #ccc;
  z-index: 1001; /* Higher than footer */
}

.navbar {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-name {
  font-size: 1.3em;
  font-weight: normal;
}

.nav-logo {
  font-style: normal;
  font-weight: 700;
  font-size: 1.4em;
  letter-spacing: 0.8px;
  color: #111;
  font-family: 'Playfair Display', Georgia, serif;
}

.nav-links a {
  margin-left: 1.5em;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.nav-links a:hover {
  color: #007acc;
  text-decoration: underline;
}

/* ====== BIO LAYOUT ====== */
.about-container {
  display: flex;
  flex-wrap: wrap;
  gap: 2em;
  align-items: flex-start;
  justify-content: space-between;
  margin-top: 2em;
}

.bio-text {
  flex: 2;
  min-width: 300px;
  max-width: 600px;
}

.bio-photo {
  flex: 1;
  min-width: 180px;
  text-align: center;
}

.bio-photo img {
  width: 500px;
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* ====== SMALL SCREEN ADAPTATION ====== */
@media (max-width: 700px) {
  .about-container {
    flex-direction: column;
    align-items: center;
  }

  .bio-text,
  .bio-photo {
    max-width: 100%;
    text-align: center;
  }

  .bio-photo img {
    max-width: 200px;
  }

  .site-footer {
    padding: 1.5em 1em;
  }
}

/* ====== FOOTER ====== */
.site-footer {
 position: fixed;
 bottom: 0;
 left: 0;
 width: 100%;
 background-color: #e2e4e6;
 padding: 1em 0;
 border-top: 1px solid #ccc;
 text-align: center;
 font-size: 0.9em;
 color: #444;
 z-index: 1000;
}


.footer-links {
 margin-bottom: 0.3em;
}


.footer-links a {
 color: #333;
 margin: 0 0.5em;
 text-decoration: none;
}


.footer-links a:hover {
 color: #007acc;
 text-decoration: underline;
}


.footer-credit {
 font-size: 0.8em;
 color: #666;
}


.normal-weight {
  font-weight: normal;
}


/* ======= PUBLICATIONS SECTION ======= */

.pub-entry {
  display: flex;
  gap: 1em;
  margin-bottom: 2em;
  align-items: flex-start;
}

.pub-image img {
  width: 150px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.pub-text {
  flex: 1;
}

.pub-title {
  font-size: 1.1em;
  font-weight: 600;
  margin-bottom: 0.3em;
}

.pub-authors,
.pub-venue {
  font-size: 0.95em;
  color: #444;
  margin-bottom: 0.3em;
}

.pub-venue {
  font-style: italic;
}

.pub-links {
  margin-top: 0.5em;
}

.pub-btn {
  display: inline-block;
  font-size: 0.85em;
  padding: 0.3em 0.7em;
  margin-right: 0.4em;
  background-color: #f5f5f5;
  border: 1px solid #ccc;
  border-radius: 4px;
  text-decoration: none;
  color: #333;
  transition: background 0.2s, border-color 0.2s;
}

.pub-btn:hover {
  background-color: #dbeeff;
  border-color: #007acc;
}

.pub-btn.website {
  background-color: #fff5e6;
  border-color: #ff9900;
  color: #cc5200;
  font-weight: 600;
}

.pub-btn.website:hover {
  background-color: #ffeacc;
  border-color: #ff8000;
}

a {
  text-decoration: none;
  color: #0645AD; /* Classic blue or use #007acc for a brighter blue */
}

a:hover {
  text-decoration: underline; /* Optional: underline on hover */
  color: #0056b3; /* Optional: darker blue on hover */
}