*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #222;
  margin: 0;
  padding: 0 1rem;
}

.site-header,
.site-main,
.site-footer {
  max-width: 50rem;
  margin: 0 auto;
}

.site-header {
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid #e2e2e2;
}

.site-header .logo img {
  max-height: 80px;
  width: auto;
}

.site-nav {
  margin-top: 1rem;
  font-size: 0.95rem;
  line-height: 2;
}

.site-nav a {
  white-space: nowrap;
}

.site-main {
  padding: 1.5rem 0 3rem;
}

a { color: #b3122b; text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 1.9rem; line-height: 1.2; }
h2 { font-size: 1.4rem; margin-top: 2rem; }
h3 { font-size: 1.15rem; }

img { max-width: 100%; height: auto; }

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
  font-size: 0.9rem;
}

th, td {
  border: 1px solid #ccc;
  padding: 0.4rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

th { background: #f4f4f4; }

.site-footer {
  border-top: 1px solid #e2e2e2;
  padding: 1.5rem 0 2.5rem;
  font-size: 0.85rem;
  color: #666;
}

/* Uniform researcher photos: grid thumbnails (Researchers page) and the
   profile photo on each ESR page are forced to a consistent size and
   cropped to fill, so portraits of differing dimensions line up. */
img.esr-thumb {
  width: 160px;
  height: 160px;
  object-fit: cover;
  object-position: center top;
  border-radius: 4px;
}

img.esr-photo {
  width: 200px;
  height: 240px;
  object-fit: cover;
  object-position: center top;
  border-radius: 4px;
}