/* ============================================================
   Student Page — gallery
   ============================================================ */

.stud-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .6rem;
}

/* Featured first item: spans 2 columns × 2 rows on desktop */
.stud-gallery-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}

.stud-gallery-item {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: .9rem;
  aspect-ratio: 1 / 1;
  background: color-mix(in srgb, var(--accent-color), transparent 92%);
  box-shadow: 0 2px 12px rgba(0, 0, 0, .08);
  transition: box-shadow .3s ease;
}

.stud-gallery-item:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, .2);
}

.stud-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .45s ease;
}

.stud-gallery-item:hover img {
  transform: scale(1.06);
}

/* -- Hover overlay ------------------------------------------ */
.stud-gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, .72) 0%,
    rgba(0, 0, 0, .15) 55%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity .3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
  padding: .7rem;
}

.stud-gallery-item:hover .stud-gallery-overlay {
  opacity: 1;
}

/* -- Zoom icon ---------------------------------------------- */
.stud-gallery-zoom {
  width: 2.1rem;
  height: 2.1rem;
  background: #fff;
  color: var(--accent-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .25);
  transform: scale(.65);
  opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
}

.stud-gallery-item:hover .stud-gallery-zoom {
  transform: scale(1);
  opacity: 1;
}

/* -- Caption ------------------------------------------------ */
.stud-gallery-caption {
  margin-top: auto;
  align-self: flex-start;
  color: #fff;
  font-size: .72rem;
  font-weight: 600;
  line-height: 1.3;
  padding: .3rem .55rem;
  background: rgba(0, 0, 0, .3);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: .4rem;
  max-width: calc(100% - .5rem);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transform: translateY(.6rem);
  opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
}

.stud-gallery-item:hover .stud-gallery-caption {
  transform: translateY(0);
  opacity: 1;
}

/* -- Responsive --------------------------------------------- */
@media (max-width: 991.98px) {
  .stud-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stud-gallery-item:first-child {
    grid-column: span 2;
    grid-row: span 1;
    aspect-ratio: 2 / 1;
  }
}

@media (max-width: 575.98px) {
  .stud-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: .4rem;
  }

  .stud-gallery-item:first-child {
    grid-column: span 2;
    grid-row: span 1;
    aspect-ratio: 2 / 1;
  }

  .stud-gallery-item {
    border-radius: .6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stud-gallery-item img,
  .stud-gallery-overlay,
  .stud-gallery-zoom,
  .stud-gallery-caption {
    transition: none;
  }
}

/* ============================================================
   Gallery pagination
   ============================================================ */

.stud-gal-pag {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: .4rem;
  list-style: none;
  padding: 0;
  margin: 2.5rem 0 0;
}

.stud-gal-pag-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  height: 2.4rem;
  padding: 0 .75rem;
  border: 1.5px solid color-mix(in srgb, var(--accent-color), transparent 60%);
  border-radius: 30px;
  background: transparent;
  color: var(--accent-color);
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s, color .2s, transform .15s, box-shadow .2s;
}

.stud-gal-pag-btn:hover {
  background: var(--accent-color);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--accent-color), transparent 55%);
}

.stud-gal-pag-btn.is-active {
  background: var(--accent-color);
  color: #fff;
  pointer-events: none;
}

.stud-gal-pag-btn.is-disabled {
  opacity: .38;
  pointer-events: none;
}

.stud-gal-pag-prev,
.stud-gal-pag-next {
  padding: 0 1.1rem;
}

.stud-gal-pag-gap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  color: var(--default-color);
  opacity: .5;
  font-size: .9rem;
}

.stud-gal-pag-info {
  width: 100%;
  text-align: center;
  font-size: .8rem;
  color: var(--default-color);
  opacity: .55;
  margin-top: .4rem;
}

@media (max-width: 575.98px) {
  .stud-gal-pag-label {
    display: none;
  }
}

/* ============================================================
   ESS page — section header eyebrow
   ============================================================ */

.ess-section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .32rem 1rem;
  border-radius: 2rem;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent-color);
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--accent-color) 20%, transparent);
  margin-bottom: 1rem;
}

/* ============================================================
   ESS page — filter bar
   ============================================================ */

.ess-filter-wrap {
  background: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color-translucent);
  border-radius: 1rem;
  padding: .9rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  box-shadow: 0 2px 16px rgba(0,0,0,.04);
  margin-bottom: 2rem;
}

.ess-filter-label {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--bs-secondary-color);
  white-space: nowrap;
  flex-shrink: 0;
  padding-right: .5rem;
  border-right: 1px solid var(--bs-border-color-translucent);
}
.ess-filter-label-text {
  display: none;
}
@media (min-width: 480px) {
  .ess-filter-label-text { display: inline; }
}

.ess-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: center;
  flex: 1;
}

/* Each filter tab — one CSS custom property drives all colours */
.ess-filter-btn {
  --cat-color: var(--bs-primary);
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .42rem 1rem;
  border-radius: 2rem;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .01em;
  text-decoration: none;
  white-space: nowrap;
  border: 1.5px solid color-mix(in srgb, var(--cat-color) 30%, transparent);
  color: var(--cat-color);
  background: color-mix(in srgb, var(--cat-color) 7%, transparent);
  transition: background .2s ease, border-color .2s ease,
              color .2s ease, transform .18s ease, box-shadow .2s ease;
}
.ess-filter-btn:hover:not(.is-active) {
  background: color-mix(in srgb, var(--cat-color) 13%, transparent);
  border-color: color-mix(in srgb, var(--cat-color) 50%, transparent);
  color: var(--cat-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--cat-color) 18%, transparent);
}
.ess-filter-btn.is-active {
  background: var(--cat-color);
  border-color: var(--cat-color);
  color: #fff;
  box-shadow: 0 4px 18px color-mix(in srgb, var(--cat-color) 35%, transparent);
}
.ess-filter-btn.is-active:hover {
  background: color-mix(in srgb, var(--cat-color) 88%, #000);
  border-color: color-mix(in srgb, var(--cat-color) 88%, #000);
  transform: translateY(-1px);
}
.ess-filter-btn:focus-visible {
  outline: 2px solid var(--cat-color);
  outline-offset: 3px;
}

/* Icon inside tab */
.ess-filter-icon {
  font-size: .9rem;
  line-height: 1;
  flex-shrink: 0;
}

/* Count pill — CSS-only, no inline styles needed */
.ess-filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6em;
  height: 1.6em;
  padding: 0 .35em;
  border-radius: 1em;
  font-size: .68rem;
  font-weight: 700;
  line-height: 1;
  background: color-mix(in srgb, var(--cat-color) 16%, transparent);
  color: var(--cat-color);
  transition: background .2s ease, color .2s ease;
}
.ess-filter-btn.is-active .ess-filter-count {
  background: rgba(255,255,255,.28);
  color: #fff;
}

/* On small screens hide the count to keep tabs compact */
@media (max-width: 479px) {
  .ess-filter-count { display: none; }
  .ess-filter-btn { padding: .4rem .8rem; }
}

/* ============================================================
   ESS page — results bar
   ============================================================ */

.ess-results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--bs-border-color-translucent);
  margin-bottom: 1.5rem;
}
.ess-results-info {
  font-size: .85rem;
  color: var(--bs-secondary-color);
}
.ess-results-info strong {
  color: var(--bs-body-color);
  font-weight: 600;
}
.ess-clear-filter {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .8rem;
  font-weight: 500;
  color: var(--bs-secondary-color);
  text-decoration: none;
  padding: .25rem .65rem;
  border-radius: 2rem;
  border: 1px solid var(--bs-border-color);
  background: var(--bs-body-bg);
  transition: all .18s ease;
}
.ess-clear-filter:hover {
  color: var(--bs-danger);
  border-color: var(--bs-danger);
  background: color-mix(in srgb, var(--bs-danger) 8%, transparent);
}

/* ============================================================
   ESS page — activity cards
   ============================================================ */

.ess-card {
  --cat-color: var(--bs-primary);
  position: relative;          /* anchor stretched-link::after to this card, not the col */
  border: 1px solid var(--bs-border-color-translucent);
  transition: transform .25s ease, box-shadow .28s ease, border-color .25s ease;
}
.ess-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(0,0,0,.11) !important;
  border-color: color-mix(in srgb, var(--cat-color) 30%, transparent);
}

/* Category colour accent bar between image and body */
.ess-card__accent {
  height: 3px;
  flex-shrink: 0;
  background: var(--cat-color);
}

.ess-card__img {
  transition: transform .5s ease;
}
.ess-card:hover .ess-card__img {
  transform: scale(1.07);
}
.ess-card__placeholder {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--cat-color) 8%, var(--bs-secondary-bg)) 0%,
    var(--bs-tertiary-bg) 100%);
}
.ess-card__scrim {
  position: absolute;
  inset: auto 0 0 0;
  height: 35%;
  background: linear-gradient(to top, rgba(0,0,0,.28) 0%, transparent 100%);
  pointer-events: none;
}

/* Category chip in the card body — colour driven by the card's --cat-color */
.ess-card__cat-chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .28rem .75rem;
  border-radius: 2rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--cat-color) 12%, transparent);
  color: var(--cat-color);
  border: 1.5px solid color-mix(in srgb, var(--cat-color) 22%, transparent);
}
.ess-card__dept {
  font-size: .7rem;
  background: var(--bs-secondary-bg);
  color: var(--bs-secondary-color);
  border: 1px solid var(--bs-border-color);
}
.ess-card__title {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.015em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ess-card__meta {
  font-size: .78rem;
  color: var(--bs-secondary-color);
  padding-top: .25rem;
  border-top: 1px solid var(--bs-border-color-translucent);
}
.ess-card__meta i {
  color: var(--cat-color);
  font-size: .85rem;
}

/* CTA — full-width, icon pinned right */
.ess-card__cta {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .02em;
  padding: .55rem 1.1rem;
  background: color-mix(in srgb, var(--cat-color) 10%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--cat-color) 28%, transparent);
  color: var(--cat-color);
  transition: background .2s ease, border-color .2s ease,
              color .2s ease, box-shadow .2s ease;
}
.ess-card__cta:hover,
.ess-card__cta:focus-visible {
  background: var(--cat-color);
  border-color: var(--cat-color);
  color: #fff;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--cat-color) 30%, transparent);
}

/* ── Empty state ─────────────────────────────────────── */
.ess-empty__icon {
  width: 5rem;
  height: 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bs-secondary-bg);
  border-radius: 50%;
  font-size: 1.75rem;
  color: var(--bs-secondary-color);
  margin: 0 auto;
}

/* ============================================================
   ESS page — pagination
   ============================================================ */

.ess-pag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.ess-pag-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  min-width: 2.4rem;
  height: 2.4rem;
  padding: 0 .75rem;
  border-radius: 2rem;
  font-size: .85rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  justify-content: center;
  border: 1.5px solid var(--bs-border-color);
  background: var(--bs-body-bg);
  color: var(--bs-body-color);
  transition: all .18s ease;
}
.ess-pag-btn:hover:not(.is-active):not(.is-disabled) {
  background: var(--bs-primary);
  border-color: var(--bs-primary);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,.12);
}
.ess-pag-btn.is-active {
  background: var(--bs-primary);
  border-color: var(--bs-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,.12);
  pointer-events: none;
}
.ess-pag-btn.is-disabled {
  opacity: .38;
  pointer-events: none;
  cursor: default;
}
.ess-pag-label {
  display: none;
}
@media (min-width: 480px) {
  .ess-pag-label { display: inline; }
  .ess-pag-btn { padding: 0 1rem; }
}
.ess-pag-gap {
  color: var(--bs-secondary-color);
  padding: 0 .25rem;
  font-size: .9rem;
  line-height: 2.4rem;
}
.ess-pag-info {
  font-size: .78rem;
  color: var(--bs-secondary-color);
  white-space: nowrap;
  padding: 0 .5rem;
}