:root {
  /* Brand Colors */
  --bbc-red: #0d8306;
  --bbc-blue: #1172c2;

  /* Neutrals */
  --bbc-black: #0d0d0d;
  --bbc-white: #fff;
  --bbc-true-black: #000;
  --bbc-grey: #dcdcdc;
  --bbc-light-grey: #f2f2f2;
  --bbc-dark-grey: #5a5a5a;
  --bbc-medium-grey: #3d3d3d;
  --bbc-text-color: #2c2c2c;
  --bbc-text-secondary: #555;

  /* Typography */
  --bbc-font: "Helvetica Neue", "Segoe UI", Arial, sans-serif;

  /* Utilities */
  --bbc-border-radius-sm: 0.25rem;
  --bbc-border-radius-md: 0.4rem;
  --bbc-border-radius-full: 999px;
  --bbc-transition: 0.2s ease;
  --bbc-box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

body.bbc-shell {
  margin: 0;
  background: var(--bbc-white);
  color: var(--bbc-black);
  font-family: var(--bbc-font);
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: var(--bbc-red);
}

a:hover,
a:focus {
  color: var(--bbc-red);
}

/* Layout utilities */
.bbc-stack {
  display: flex;
  flex-direction: column;
  gap: var(--bbc-stack-gap, 1rem);
}

.bbc-stack--gap-xs { --bbc-stack-gap: 0.35rem; }
.bbc-stack--gap-sm { --bbc-stack-gap: 0.6rem; }
.bbc-stack--gap-md { --bbc-stack-gap: 1rem; }
.bbc-stack--gap-lg { --bbc-stack-gap: 1.5rem; }

.bbc-flex-row {
  display: flex;
  align-items: center;
  gap: var(--bbc-row-gap, 0.75rem);
}

.bbc-flex-row--wrap {
  flex-wrap: wrap;
}

.bbc-flex-row--gap-sm { --bbc-row-gap: 0.5rem; }
.bbc-flex-row--gap-lg { --bbc-row-gap: 1.25rem; }

.bbc-grid-auto {
  display: grid;
  gap: var(--bbc-grid-gap, 1.5rem);
  grid-template-columns: repeat(auto-fit, minmax(var(--bbc-grid-min, 240px), 1fr));
}

.bbc-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 2rem;
  background: var(--bbc-white);
  border-bottom: 1px solid var(--bbc-grey);
  position: relative;
}

/* Hamburger Menu */
.bbc-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
}

.bbc-hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--bbc-red);
  transition: all 0.3s ease;
}

.bbc-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.bbc-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.bbc-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.bbc-brand {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.3rem;
  font-weight: 700;
  flex: 1;
  min-width: 0;
}

.bbc-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
  position: relative;
}

.bbc-logo__block {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  background: var(--bbc-red);
  color: var(--bbc-white);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  flex-shrink: 0;
  border-radius: var(--bbc-border-radius-md);
}

.bbc-logo__word {
  display: inline-block;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--bbc-red);
  letter-spacing: 0.02em;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  white-space: nowrap;
  transition: max-width 0.4s ease, opacity 0.3s ease;
  margin-left: -0.3rem;
}

.bbc-logo:hover .bbc-logo__word {
  max-width: 10rem;
  opacity: 1;
  margin-left: 0;
}

.bbc-site {
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.bbc-header-logos {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex: 0;
  justify-content: flex-end;
}

.bbc-oxford-logo,
.bbc-materials-logo {
  display: flex;
  align-items: center;
  height: 2.2rem;
  max-width: 100px;
  flex-shrink: 0;
  opacity: 1;
  transition: opacity var(--bbc-transition);
}

.bbc-oxford-logo:hover,
.bbc-materials-logo:hover {
  opacity: 0.85;
}

.bbc-oxford-logo picture,
.bbc-materials-logo picture {
  height: 100%;
  display: flex;
}

.bbc-oxford-logo img,
.bbc-materials-logo img {
  height: 100%;
  width: auto;
  max-width: 100%;
  display: block;
  object-fit: contain;
}

.bbc-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  padding: 0.5rem 2rem;
  background: var(--bbc-white);
  border-bottom: 1px solid var(--bbc-grey);
}

.bbc-nav a {
  font-weight: 600;
  color: var(--bbc-black);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.bbc-nav a:hover {
  color: var(--bbc-red);
}

.bbc-main {
  padding: 1.5rem 2rem 2.5rem;
  max-width: 1080px;
  margin: 0 auto;
}

.bbc-research {
  padding-top: 0.5rem;
}

.bbc-heading {
  font-size: 2.1rem;
  margin: 0 0 1.25rem;
  font-weight: 700;
}

.bbc-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(var(--bbc-grid-columns, 1), minmax(0, 1fr));
}

.bbc-grid--split {
  --bbc-grid-columns: 1;
}

.bbc-grid--stack {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.bbc-grid__column {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(var(--bbc-grid-column-count, 1), minmax(0, 1fr));
}

.bbc-grid__column--stack {
  --bbc-grid-column-count: auto-fit;
  --bbc-grid-min: 240px;
  grid-template-columns: repeat(auto-fit, minmax(var(--bbc-grid-min, 240px), 1fr));
}

.bbc-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bbc-white);
  border: 1px solid var(--bbc-grey);
  border-radius: 0;
  box-shadow: none;
  color: inherit;
  overflow: hidden;
  transition: transform var(--bbc-transition), border-color var(--bbc-transition), box-shadow var(--bbc-transition);
}

.bbc-card:hover {
  transform: translateY(-4px);
  border-color: var(--bbc-red);
  box-shadow: var(--bbc-box-shadow);
}

.bbc-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.bbc-card__media {
  position: relative;
  width: 100%;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bbc-light-grey);
  border-bottom: 1px solid var(--bbc-grey);
  transition: border-color var(--bbc-transition);
  flex-shrink: 0;
}

.bbc-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.bbc-card:hover .bbc-card__media {
  border-bottom-color: var(--bbc-red);
}

.bbc-card__body {
  padding: 1rem 1.25rem 1.25rem;
}

.bbc-card__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--bbc-black);
  transition: color var(--bbc-transition);
}

.bbc-card__title a {
  color: inherit;
  text-decoration: none;
}

.bbc-card__title a:hover {
  color: var(--bbc-red);
}

.bbc-card:hover .bbc-card__title {
  color: var(--bbc-red);
}

.bbc-card__subtitle {
  margin: 0;
  font-size: 0.95rem;
  color: var(--bbc-medium-grey);
  line-height: 1.4;
}

.bbc-card__summary {
  margin: 0;
  color: var(--bbc-medium-grey);
  font-size: 0.92rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bbc-card__text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--bbc-text-secondary);
  line-height: 1.4;
}

.bbc-card__meta {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bbc-dark-grey);
}

.bbc-card__meta span,
.bbc-card__meta time {
  display: inline-flex;
  align-items: center;
}

.bbc-card__date {
  color: var(--bbc-dark-grey);
}

.bbc-card__category {
  color: var(--bbc-red);
  font-weight: 700;
}

.bbc-card__tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bbc-red);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.bbc-card__live {
  color: var(--bbc-blue);
  text-transform: uppercase;
  font-weight: 700;
}

.bbc-card--hero {
  display: grid;
  grid-template-rows: auto 1fr;
  border-left-width: 4px;
  border-left-color: var(--bbc-light-grey);
  box-shadow: none;
}

.bbc-card--hero:hover {
  border-left-color: var(--bbc-red);
}

.bbc-card--hero .bbc-card__body {
  padding: 1.75rem;
}

.bbc-card--hero .bbc-card__summary {
  font-size: 0.98rem;
  line-height: 1.45;
  -webkit-line-clamp: 4;
  line-clamp: 4;
}

.bbc-card--compact {
  font-size: 0.95rem;
}

.bbc-card--compact .bbc-card__body {
  padding: 0.9rem 1rem 1.1rem;
  gap: 0.6rem;
}

.bbc-card--compact .bbc-card__title {
  font-size: 1.05rem;
}

.bbc-card--profile {
  overflow: hidden;
}

.bbc-card--profile .bbc-card__media {
  aspect-ratio: 4 / 3;
}

.bbc-card--profile .bbc-card__body {
  gap: 0.6rem;
  padding: 1rem 1.1rem 1.2rem;
}

.bbc-card--profile .bbc-card__title {
  font-size: 1.15rem;
}

/* Alumni grid - full width layout */
.bbc-people__grid--alumni {
  display: flex !important;
  flex-direction: column;
  gap: 0;
  grid-template-columns: none !important;
  max-height: 5000px;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease;
}

/* Collapsed state */
.bbc-people__grid--collapsed {
  max-height: 0 !important;
  opacity: 0;
}

/* Collapsible toggle button */
.bbc-people__group-head--toggle {
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  text-align: left;
}

.bbc-people__group-head--toggle:hover h2 {
  color: var(--bbc-red);
}

.bbc-people__group-head-content {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.bbc-people__toggle-icon {
  font-size: 1rem;
  color: var(--bbc-red);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

/* Alumni card - minimal style without photos */
.bbc-card--alumni {
  border: none;
  border-top: 1px solid var(--bbc-grey);
  border-bottom: 1px solid var(--bbc-grey);
  border-radius: 0;
  margin-bottom: -1px;
  transition: border-color var(--bbc-transition), background-color var(--bbc-transition);
}

.bbc-card--alumni:hover {
  border-top-color: var(--bbc-red);
  border-bottom-color: var(--bbc-red);
  background-color: var(--bbc-light-grey);
  transform: none;
  box-shadow: none;
  z-index: 1;
}

.bbc-card--alumni .bbc-card__body {
  padding: 1.25rem 0;
}

.bbc-card--alumni .bbc-card__title {
  font-size: 1.05rem;
}

.bbc-card--alumni .bbc-card__subtitle {
  font-size: 0.9rem;
}

.bbc-card--carousel .bbc-card__body {
  padding: 1rem 1rem 1.1rem;
  gap: 0.75rem;
}

.bbc-card--carousel .bbc-card__title {
  font-size: 1.1rem;
}

.bbc-card--carousel .bbc-card__summary {
  font-size: 0.9rem;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.bbc-card--carousel .bbc-card__meta {
  margin-top: auto;
  justify-content: flex-start;
}

.bbc-card--carousel .bbc-card__media {
  aspect-ratio: 16 / 9;
}

.bbc-card--aside {
  border-left-width: 3px;
  border-left-color: var(--bbc-light-grey);
  padding-left: 0.75rem;
  box-shadow: none;
}

.bbc-card--aside:hover {
  border-left-color: var(--bbc-red);
  box-shadow: none;
}

.bbc-card--project .bbc-card__media {
  aspect-ratio: auto;
  height: 160px;
  background: var(--bbc-true-black);
}

.bbc-card--project .bbc-card__body {
  padding: 1.2rem 1.2rem 1rem;
  gap: 0.75rem;
}

.bbc-generic-list {
  background: transparent;
}

.bbc-generic-content {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  color: var(--bbc-text-color);
  line-height: 1.7;
}

.bbc-facilities__content {
  max-width: 900px;
  line-height: 1.7;
  color: var(--bbc-text-color);
}

.bbc-facilities__content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  color: var(--bbc-black);
  border-bottom: 3px solid var(--bbc-red);
  padding-bottom: 0.5rem;
}

.bbc-facilities__content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 1.5rem 0 0.75rem;
  color: var(--bbc-black);
}

.bbc-facilities__content p {
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
}

.bbc-facilities__content ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.bbc-facilities__content ul li {
  padding: 0.75rem 0 0.75rem 1.5rem;
  border-left: 3px solid var(--bbc-light-grey);
  margin-bottom: 0.5rem;
  transition: border-left-color 0.2s ease;
}

.bbc-facilities__content ul li:hover {
  border-left-color: var(--bbc-red);
}

.bbc-facilities__content ul li strong {
  color: var(--bbc-black);
  font-weight: 700;
}

.bbc-publications__intro {
  margin-bottom: 2rem;
  font-size: 1.05rem;
  color: var(--bbc-text-color);
  line-height: 1.7;
}

.bbc-publications__list {
  max-width: 900px;
}


.bbc-publication {
  padding: 1rem 0;
  border-bottom: 1px solid var(--bbc-grey);
  margin-bottom: 0.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: baseline;
}

.bbc-publication:hover {
  border-left-color: var(--bbc-red);
}

.bbc-publication__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
}

.bbc-publication__title a {
  color: var(--bbc-black);
  text-decoration: none;
  transition: color 0.2s ease;
}

.bbc-publication__title a:hover {
  color: var(--bbc-red);
}

.bbc-publication__authors {
  margin: 0;
  font-size: 0.9rem;
  color: var(--bbc-text-secondary);
  line-height: 1.4;
}

.bbc-publication__meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 0.8rem;
  color: var(--bbc-dark-grey);
  font-weight: 600;
}

.bbc-publication__venue {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-style: italic;
}

.bbc-publication__preprint {
  color: var(--bbc-red);
}

.bbc-publication__year {
  color: var(--bbc-red);
}

.bbc-publication__citations {
  color: var(--bbc-dark-grey);
}

.bbc-publications__empty {
  background: var(--bbc-light-grey);
  padding: 2rem;
  border-left: 4px solid var(--bbc-red);
  margin-top: 2rem;
}

.bbc-publications__empty p {
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.bbc-publications__empty pre {
  background: var(--bbc-white);
  padding: 1rem;
  border: 1px solid var(--bbc-grey);
  overflow-x: auto;
  font-size: 0.9rem;
}

.bbc-generic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.bbc-research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* People directory */
.bbc-people__header {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.bbc-card--pi {
  position: relative;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: stretch;
  padding: 0;
  text-decoration: none;
  color: inherit;
  margin-bottom: 3rem;
}

.bbc-card--pi::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: transparent;
  transition: background var(--bbc-transition);
}

.bbc-card--pi:hover::before {
  background: var(--bbc-red);
}

.bbc-card--pi__media {
  margin: 0;
  background: var(--bbc-true-black);
  display: flex;
  height: 100%;
}

.bbc-card--pi__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.bbc-card--pi__body {
  padding: 2rem;
}

.bbc-card--pi__title {
  margin: 0;
  font-size: 2.2rem;
  font-weight: 700;
}

.bbc-people__pi-role {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--bbc-red);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.bbc-people__pi-contact {
  margin: 0;
  font-size: 0.95rem;
  color: var(--bbc-black);
  font-weight: 600;
}

.bbc-people__pi-link {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bbc-red);
}

.bbc-people__pi-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--bbc-text-color);
}

.bbc-people__intro {
  max-width: 720px;
  font-size: 1.05rem;
  color: var(--bbc-text-color);
  line-height: 1.7;
}

.bbc-people__group {
  margin-bottom: 3rem;
}

.bbc-people__group-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.bbc-people__group-head h2 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
}

.bbc-people__count {
  background: var(--bbc-light-grey);
  color: var(--bbc-black);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: var(--bbc-border-radius-full);
}

.bbc-people__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

/* Group Photos Carousel */
.bbc-group-photos-carousel {
  margin: 0 0 3rem 0;
  padding: 0;
  position: relative;
}

.bbc-group-photos-carousel__container {
  position: relative;
  overflow: hidden;
  margin: 0 4rem;
  padding: 0;
}

.bbc-group-photos-carousel__track {
  display: flex;
  gap: 2rem;
  transition: transform 0.4s ease;
}

.bbc-group-photos-carousel__item {
  flex: 0 0 100%;
  min-width: 0;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.bbc-group-photos-carousel__image {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--bbc-grey);
}

.bbc-group-photos-carousel__date {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bbc-red);
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: rgba(255, 255, 255, 0.95);
  padding: 0.35rem 0.75rem;
  border-radius: var(--bbc-border-radius-sm);
}

.bbc-group-photos-carousel__controls {
  position: static;
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 0 0;
}

.bbc-group-photos-carousel__dots,
.bbc-news-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 0.9rem;
}

.bbc-group-photos-carousel__dot,
.bbc-news-carousel__dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--bbc-light-grey);
  border: 1px solid var(--bbc-grey);
  padding: 0;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.bbc-group-photos-carousel__dot--active,
.bbc-news-carousel__dot--active {
  background: var(--bbc-red);
  border-color: var(--bbc-red);
}

.bbc-group-photos-carousel__meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.bbc-group-photos-carousel__date {
  position: static;
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 0.95rem;
  color: var(--bbc-dark-grey);
}

.bbc-carousel-button {
  width: 2.75rem;
  height: 2.75rem;
  border: none;
  background: transparent;
  color: var(--bbc-black);
  font-size: 1.8rem;
  cursor: pointer;
  transition: color 0.2s ease, opacity 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
}

.bbc-carousel-button:hover {
  color: var(--bbc-red);
}

.bbc-carousel-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  color: var(--bbc-dark-grey);
}

.bbc-person {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.bbc-person__header {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: start;
}

.bbc-person__photo {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--bbc-grey);
}

.bbc-person__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.bbc-person__meta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.bbc-person__name {
  margin: 0;
  font-size: 2.1rem;
  font-weight: 700;
}

.bbc-person__role {
  margin: 0;
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--bbc-red);
}

.bbc-person__tagline {
  margin: 0;
  font-size: 1.05rem;
  color: var(--bbc-text-color);
  line-height: 1.5;
}

.bbc-person__contacts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem 1.5rem;
  margin: 0;
}

.bbc-person__contacts div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.bbc-person__contacts dt {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bbc-dark-grey);
}

.bbc-person__contacts dd {
  margin: 0;
  font-size: 0.95rem;
}

.bbc-person__contacts a {
  color: var(--bbc-red);
  text-decoration: none;
  font-weight: 600;
}

.bbc-person__interests,
.bbc-person__projects {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bbc-person__interests h2,
.bbc-person__projects h2 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bbc-black);
}

.bbc-person__interests p,
.bbc-person__projects ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.bbc-person__interests p {
  line-height: 1.7;
  font-size: 1.05rem;
  color: var(--bbc-text-color);
}

.bbc-person__projects ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.bbc-person__projects li a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--bbc-grey);
  color: var(--bbc-black);
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.bbc-person__projects li a:hover {
  color: var(--bbc-red);
  border-color: var(--bbc-red);
}

.bbc-person__bio {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--bbc-text-color);
}

.research-team {
  margin-top: 2rem;
}

.research-team h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  font-weight: 700;
}

.research-team__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.research-team__link {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--bbc-grey);
  color: var(--bbc-black);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.research-team__link:hover {
  border-color: var(--bbc-red);
  color: var(--bbc-red);
}

/* Positions */
.bbc-positions__intro {
  font-size: 1.05rem;
  color: var(--bbc-text-color);
  line-height: 1.7;
}

.bbc-positions__section {
  margin-top: 2.5rem;
}

.bbc-positions__section-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.bbc-positions__section-head h2 {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
}

.bbc-positions__count {
  background: var(--bbc-light-grey);
  color: var(--bbc-black);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border-radius: var(--bbc-border-radius-full);
}

.bbc-positions__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.bbc-home {
  max-width: 1080px;
  margin: 0 auto;
}

.bbc-hero {
  background: var(--bbc-light-grey);
  padding: 2.5rem 2rem;
  margin-bottom: 2rem;
  border-bottom: 4px solid var(--bbc-red);
}

.bbc-hero__title {
  margin: 0 0 0.5rem;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--bbc-black);
}

.bbc-hero__tagline {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--bbc-medium-grey);
  line-height: 1.3;
}

.bbc-hero-banner {
  position: relative;
  width: 100%;
  height: 400px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}

.bbc-hero-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
}

.bbc-hero-banner__overlay {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  max-width: 900px;
}

.bbc-hero-banner__title {
  margin: 0 0 1rem;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--bbc-white);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
}

.bbc-hero-banner__tagline {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--bbc-white);
  line-height: 1.3;
  text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.6);
}

/* Parallax Banner */
.bbc-hero-banner-parallax {
  position: relative;
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  height: 500px;
  overflow: hidden;
  margin-bottom: 3rem;
}

.bbc-hero-banner-parallax__bg {
  position: absolute;
  top: -50px;
  left: 0;
  right: 0;
  bottom: -50px;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  will-change: transform;
}

.bbc-hero-banner-parallax__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.bbc-hero-banner-parallax__logo {
  margin-bottom: 2rem;
  animation: fadeInDown 1s ease-out;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.bbc-hero-banner-parallax__group-name {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--bbc-white);
  text-align: center;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
  letter-spacing: 0.05em;
}

.bbc-hero-banner-parallax__logo img {
  max-width: 200px;
  height: auto;
  filter: drop-shadow(2px 4px 8px rgba(0, 0, 0, 0.6));
}

.bbc-hero-banner-parallax__tagline {
  margin: 0;
  font-size: 2rem;
  font-weight: 600;
  color: var(--bbc-white);
  line-height: 1.4;
  text-align: center;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.7);
  max-width: 900px;
  animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Research Pillars */
.bbc-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 3rem 0;
  padding: 2rem 0;
}

.bbc-pillar {
  text-align: center;
  padding: 2rem 1.5rem;
  background: transparent;
}

.bbc-pillar__icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5rem;
  height: 5rem;
  background: var(--bbc-light-grey);
  border-radius: 1.5rem;
}

.bbc-pillar__title {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--bbc-black);
}

.bbc-pillar__description {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--bbc-medium-grey);
}

.bbc-home__content {
  padding: 0 2rem;
  max-width: 1080px;
  margin: 0 auto;
}

.bbc-home__main {
  line-height: 1.7;
  color: var(--bbc-text-color);
}

.bbc-home__main p {
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
}

.bbc-lede {
  font-size: 1.15rem !important;
  font-weight: 500;
  line-height: 1.6 !important;
  color: var(--bbc-black) !important;
}

.bbc-research-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background: var(--bbc-light-grey);
  border-left: 4px solid var(--bbc-red);
  padding: 2rem 2.5rem;
  margin: 2.5rem 0;
}

.bbc-research-cta__content {
  flex: 1;
}

.bbc-research-cta__title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bbc-black);
}

.bbc-research-cta__text {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--bbc-medium-grey);
}

.bbc-research-cta__button {
  display: inline-block;
  background: var(--bbc-red);
  color: var(--bbc-white);
  padding: 0.85rem 2.5rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.2s ease;
  white-space: nowrap;
}

.bbc-research-cta__button:hover {
  background: #0a6904;
}

/* News Carousel */
.bbc-news-carousel {
  margin: 3rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--bbc-grey);
  border-bottom: 1px solid var(--bbc-grey);
}

.bbc-news-carousel__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.bbc-news-carousel__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
}

.bbc-news-carousel__view-all {
  color: var(--bbc-red);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s ease;
}

.bbc-news-carousel__view-all:hover {
  opacity: 0.8;
}

.bbc-news-carousel__container {
  position: relative;
  overflow: hidden;
  margin: 0 -1rem;
  padding: 0 1rem;
}

.bbc-news-carousel__track {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.3s ease;
}

.bbc-news-carousel__item {
  flex: 0 0 calc(33.333% - 1rem);
  min-width: 0;
  display: flex;
}

.bbc-news-carousel__item .bbc-card {
  width: 100%;
}

.bbc-news-carousel__controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.bbc-footer {
  background: var(--bbc-white);
  border-top: 1px solid var(--bbc-grey);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
}

.bbc-sponsors {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 1rem;
}

.bbc-sponsors__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.bbc-sponsors__logo img {
  display: block;
  height: 60px;
  width: auto;
  object-fit: contain;
  transition: transform var(--bbc-transition), opacity var(--bbc-transition);
}

.bbc-sponsors__logo:hover img {
  transform: translateY(-2px);
  opacity: 0.85;
}

.bbc-article {
  background: var(--bbc-white);
  border: 1px solid var(--bbc-grey);
  padding: 2rem;
}

.bbc-article__header h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
  line-height: 1.2;
}

.bbc-article__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.bbc-article__titleblock {
  flex: 1 1 320px;
  min-width: 240px;
}

.bbc-article__category {
  margin: 0;
  font-weight: 600;
  color: var(--bbc-red);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.bbc-article__media {
  float: left;
  width: 45%;
  margin: 0 2rem 1.5rem 0;
}

.bbc-article__media img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--bbc-grey);
}

.bbc-article__body {
  line-height: 1.7;
  font-size: 1.05rem;
  color: var(--bbc-text-color);
}

.research-pager {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-left: auto;
}

.research-pager__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--bbc-grey);
  border-radius: var(--bbc-border-radius-full);
  background: var(--bbc-white);
  color: var(--bbc-black);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: border-color 0.2s ease, color 0.2s ease;
  max-width: 220px;
}

.research-pager__link:hover {
  border-color: var(--bbc-red);
  color: var(--bbc-red);
}

.research-pager__link .arrow {
  font-size: 1rem;
  color: var(--bbc-red);
}

.research-pager__link .label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bbc-article__body::after {
  content: "";
  display: table;
  clear: both;
}

@media (min-width: 1100px) {
  .bbc-grid--split {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: start;
  }

  .bbc-grid--featured {
    align-items: start;
  }

  .bbc-grid--featured > .bbc-card {
    grid-column: 1;
  }

  .bbc-grid--featured > .bbc-grid__column--aside {
    grid-column: 2;
  }

  .bbc-grid--featured > .bbc-grid__column--stack {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1200px) {
  .bbc-main {
    padding: 1.5rem 1.5rem 2.5rem;
  }

  .bbc-card--hero .bbc-card__body {
    padding: 1.3rem;
  }

  .bbc-card__title {
    font-size: 1.1rem;
  }

  .bbc-card__summary {
    font-size: 0.86rem;
  }

  .bbc-nav {
    gap: 1.5rem;
    padding: 0.5rem 1.5rem;
  }
}

@media (max-width: 900px) {
  .bbc-main {
    padding: 1.5rem 1.25rem 2.5rem;
  }

  .bbc-heading {
    font-size: 2rem;
  }

  .bbc-people__pi-bio {
    display: -webkit-box;
    -webkit-line-clamp: 10;
    line-clamp: 10;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .bbc-grid {
    --bbc-grid-columns: 1;
  }

  .bbc-grid--stack {
    grid-template-columns: 1fr;
  }

  .bbc-grid__column,
  .bbc-grid__column--stack {
    display: flex;
    flex-direction: column;
  }

  .bbc-grid__column {
    gap: 1.2rem;
  }

  .bbc-grid__column--stack {
    gap: 1rem;
  }

  .bbc-people__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bbc-card--pi {
    grid-template-columns: 35% 1fr;
    gap: 1rem;
  }

  .bbc-card--pi__media {
    margin: 0;
    height: 100%;
  }

  .bbc-card--pi__body {
    padding: 1.5rem;
  }

  .bbc-styleguide__cards .bbc-styleguide__hero {
    grid-column: span 1;
  }

  /* Make hero cards behave like standard cards on smaller screens */
  .bbc-card--hero {
    display: flex;
    border-left-width: 1px;
    border-bottom: 1px solid var(--bbc-grey);
    box-shadow: none;
  }

  .bbc-card--hero:hover {
    border-left-color: var(--bbc-red);
  }

  .bbc-card--hero .bbc-card__media {
    aspect-ratio: 16 / 9;
  }

  .bbc-card--hero .bbc-card__body {
    padding: 1rem 0 0;
  }

  .bbc-card--hero .bbc-card__title {
    font-size: 1.15rem;
  }

  .bbc-card--hero .bbc-card__summary {
    font-size: 0.88rem;
    -webkit-line-clamp: 2;
    line-clamp: 2;
  }

  .bbc-card__title {
    font-size: 1.15rem;
  }

  .bbc-card--compact .bbc-card__title {
    font-size: 1.05rem;
  }

  .bbc-card__summary {
    font-size: 0.88rem;
  }

  .bbc-topbar {
    padding: 0.75rem 1.25rem;
  }

  .bbc-brand {
    flex-direction: row;
    gap: 0.4rem;
    text-align: center;
  }

  /* Show hamburger menu on mobile */
  .bbc-hamburger {
    display: flex;
  }

  /* Disable logo hover expansion on mobile */
  .bbc-logo:hover .bbc-logo__word {
    max-width: 0;
    opacity: 0;
    margin-left: -0.3rem;
  }

  /* Hide navigation by default on mobile */
  .bbc-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bbc-white);
    border-right: 1px solid var(--bbc-grey);
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 0;
    padding: 5rem 0 2rem;
    z-index: 999;
    transition: left 0.3s ease;
  }

  /* Show navigation when active */
  .bbc-nav.active {
    left: 0;
  }

  .bbc-nav a {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }

  .bbc-nav a:hover {
    background: transparent;
  }

  .bbc-home__content {
    padding: 0 1.25rem;
  }

  .bbc-research-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem 2rem;
  }

  .bbc-research-cta__button {
    align-self: stretch;
    text-align: center;
  }

  .bbc-hero {
    padding: 2rem 1.25rem;
  }

  .bbc-hero__title {
    font-size: 2rem;
  }

  .bbc-hero__tagline {
    font-size: 1.15rem;
  }

  .bbc-hero-banner {
    height: 350px;
  }

  .bbc-hero-banner__title {
    font-size: 2.5rem;
  }

  .bbc-hero-banner__tagline {
    font-size: 1.3rem;
  }

  .bbc-hero-banner-parallax {
    height: 450px;
  }

  .bbc-hero-banner-parallax__tagline {
    font-size: 1.75rem;
  }

  .bbc-hero-banner-parallax__logo img {
    max-width: 180px;
  }

  .bbc-pillars {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .research-pager {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  .research-pager__link {
    flex: 1 1 auto;
    justify-content: center;
    max-width: none;
  }

  .bbc-person__header {
    grid-template-columns: 1fr;
  }

  .bbc-person__photo {
    max-width: 260px;
    margin: 0 auto;
  }

  .bbc-news-carousel__item {
    flex: 0 0 calc(100% - 1rem);
  }

  .bbc-news-carousel__title {
    font-size: 1.5rem;
  }

  .bbc-header-logos {
    gap: 0.75rem;
  }

  .bbc-oxford-logo,
  .bbc-materials-logo {
    height: 4rem;
    /* max-width: 80px; */
  }
}

@media (max-width: 600px) {
  .bbc-heading {
    font-size: 1.75rem;
  }

  .bbc-topbar {
    padding: 0.65rem 1rem;
  }

  .bbc-logo {
    gap: 0.2rem;
  }

  .bbc-logo__block {
    width: 1.9rem;
    height: 1.9rem;
    font-size: 0.95rem;
  }

  .bbc-site {
    font-size: 0.95rem;
  }

  .bbc-card--hero .bbc-card__media img {
    max-height: 240px;
  }

  .bbc-card__body {
    padding: 1rem 1.2rem 1.2rem;
  }

  .bbc-hero {
    padding: 1.5rem 1rem;
  }

  .bbc-hero__title {
    font-size: 1.65rem;
  }

  .bbc-hero__tagline {
    font-size: 1rem;
  }

  .bbc-hero-banner {
    height: 280px;
  }

  .bbc-hero-banner__overlay {
    padding: 1.5rem;
  }

  .bbc-hero-banner__title {
    font-size: 2rem;
  }

  .bbc-hero-banner__tagline {
    font-size: 1.1rem;
  }

  .bbc-hero-banner-parallax {
    height: 350px;
  }

  .bbc-hero-banner-parallax__bg {
    background-attachment: scroll;
  }

  .bbc-hero-banner-parallax__tagline {
    font-size: 1.4rem;
  }

  .bbc-hero-banner-parallax__logo img {
    max-width: 140px;
  }

  .bbc-pillars {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin: 2rem 0;
  }

  .bbc-pillar {
    padding: 1.5rem 1.25rem;
  }

  .bbc-home__content {
    padding: 0 1rem;
  }

  .bbc-research-cta {
    padding: 1.5rem 1.5rem;
  }

  .bbc-research-cta__title {
    font-size: 1.3rem;
  }

  .bbc-lede {
    font-size: 1.05rem !important;
  }

  .bbc-article__media {
    float: none;
    width: 100%;
    margin: 0 0 1.5rem 0;
  }

  .research-pager {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .bbc-people__grid {
    grid-template-columns: 1fr;
  }

  .bbc-person__photo {
    max-width: none;
  }

  .bbc-card--pi {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .bbc-card--pi__media {
    margin: 0;
    height: auto;
    max-height: 400px;
  }

  .bbc-card--pi__body {
    padding: 1.5rem 1rem;
  }

  .bbc-oxford-logo,
  .bbc-materials-logo {
    height: 1.9rem;
    /* max-width: 60px; */
  }
}
.bbc-styleguide__section {
  margin: 2.5rem 0;
  border-top: 1px solid var(--bbc-grey);
  padding-top: 2rem;
}

.bbc-styleguide__section:first-of-type {
  border-top: none;
  padding-top: 0;
}

.bbc-styleguide__cards .bbc-styleguide__hero {
  grid-column: span 2;
}

.bbc-styleguide__cards .bbc-card {
  height: 100%;
}

.bbc-styleguide__carousel-demo {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
}

.bbc-styleguide__dots {
  display: flex;
  gap: 0.6rem;
}

.bbc-styleguide {
  max-width: 1080px;
  margin: 0 auto;
}

.bbc-styleguide > p {
  font-size: 1rem;
  color: var(--bbc-medium-grey);
}