/* Shared site styles — extracted from project sub-pages and a few common rules.
   Loaded automatically from every page (after Bootstrap). */

/* ----- Sticky footer: always at the bottom of the page. -----
   Flex column on body lets margin-top:auto push the footer to the bottom.
   - Short pages: footer sits at the viewport bottom.
   - Long pages: footer is at the end of all content; scroll to see it.
   `body > * { flex-shrink: 0 }` prevents iframe parents from collapsing.
   `height: auto` overrides per-page `body,html { height: 100% }`. */
html { height: auto; }
body {
  display: flex;
  flex-direction: column;
  height: auto;
  min-height: 100vh;
  margin: 0;
}
body > * { flex-shrink: 0; }
#site-footer {
  margin-top: auto;
}

/* ----- Generic transparent list-group items used in news & project paper lists ----- */
.list-group-item {
  background-color: transparent;
  border: none;
  padding: 0.5rem 0;
  color: #f1f1f1;
}
.list-group-item a {
  color: #66b3ff;
  text-decoration: underline;
}
.list-group-item a:hover {
  color: #99ccff;
}

/* ----- Common project-page tweaks (re-declared identically on 4 sub-pages) ----- */
.social-icons i {
  font-size: 2em;
}
.social-icons {
  text-align: center;
  padding: 20px;
}
.social-icons a {
  margin: 0 10px;
  color: #333;
}
.social-icons a:hover {
  color: #007bff;
}
.project-logos img {
  width: 150px;
  margin: 10px;
}
.project-title {
  text-decoration: underline;
  margin-bottom: 5px;
}
.navbar {
  padding-top: 0.25rem !important;
  padding-bottom: 0.25rem !important;
  min-height: 30px;
}
.navbar-nav .nav-item {
  margin-right: 20px;
}
.carousel-item {
  height: 500px;
}
.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ----- Buttons + lead text default tone ----- */
.btn-info {
  margin-bottom: 20px;
}
.lead {
  font-size: 1rem;
  color: #ddd;
}