/* css styles */

/* right-hand table of contents */
.sidebar nav[role="doc-toc"] ul > li > a {
    color: grey !important;
}

/* highlighting currently active entry */
.sidebar nav[role="doc-toc"] ul > li > a.active {
    font-weight: bold;
    background-color: #f3fae9;
}

b,strong {
  font-weight: bold;
  color: black;
}

.navbar-logo {
  width: 100%;
  max-height: 100%;
  align-items: baseline;
}

.nav-link{
  color:white !important;
  text-color:white !important;
}

.navbar{
  text-color: white;
  background-image: linear-gradient(to right,white,#0087af,#18a603);
}

/* unfold hamburger menu on the right */
.navbar-collapse {
  text-align: right;
}

/* footer text-color & background */
.nav-footer{
  padding-top: 0rem;
  padding-bottom: 0rem;
  align-items: center;
  color: black !important;
  background-image: linear-gradient(to right,white,#ebf4f7,#0087af);
}

/* footer icons */
.nav-footer li.nav-item a.nav-link{
  color: black !important;
}

/* footer links */
.nav-footer a:link{
  color: black !important;
}

/* vertically center, from https://github.com/quarto-dev/quarto-cli/discussions/1386 */
.v-center-container {
  display: flex !important;
  justify-content: center;
  align-items: center;
  height: 90%;
}

.deadline {
  color: #d73027;
  font-size: 1.15em;
  font-weight: 600;
}

img.speaker {
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.sponsor-link { display: block; text-align: center; }

.sponsor-logo{
  display:block;
  margin:0 auto;
  max-height:200px;
  width:auto;
  height:auto;

  max-width:100%;
}


.sponsor-name {
  margin-top: 0.6rem;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.25;
}

details.schedule-details {
  margin: 0;
}

details.schedule-details summary {
  list-style: none;
  cursor: pointer;
  font-weight: 400;
  font-size: 1em;
  line-height: 1.45;

  display: block;              /* IMPORTANT */
  position: relative;          /* for absolute arrow */
  padding-right: 1.8rem;       /* space for arrow */
}

details.schedule-details summary::-webkit-details-marker {
  display: none;
}

details.schedule-details summary::marker {
  content: "";
}

/* RIGHT-ALIGNED CHEVRON */
details.schedule-details summary::after {
  content: "›";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3em;
  color: #8a8a8a;
}

/* OPEN STATE */
details.schedule-details[open] summary::after {
  content: "⌄";
}

/* Card styling */
.instructor-card {
  background: white;
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.instructor-card {
  max-width: 240px;
  margin: 0 auto;
}

.instructor-card h3 {
  font-size: 1rem;
  margin: 0.25rem 0 0.3rem 0;

  /* key fixes */
  line-height: 1.2;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.instructor-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
}

/* Image consistency trick */
.instructor-img-wrapper {
  width: 100%;
  aspect-ratio: 1 / 1;   /* square looks better for compact grids */
  overflow: hidden;
  border-radius: 10px;
  margin-bottom: 0.5rem;
}

.instructor-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instructor-card {
  background: white;
  border-radius: 12px;
  padding: 0.75rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.instructor-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.instructor-bio {
  font-size: 0.95rem;
  color: #555;
  line-height: 1.4;
}

.promo-banner {
  background: linear-gradient(135deg, #0087af, #18a603);
  color: white;
  padding: 1.2rem 1.5rem;
  border-radius: 14px;
  margin-bottom: 2rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.promo-banner h2,
.promo-banner h3 {
  color: white;
  margin-top: 0;
}

.promo-banner a {
  color: white;
  font-weight: 600;
  text-decoration: underline;
}