@import url("https://fonts.googleapis.com/css2?family=Raleway:wght@400;500;600;700&display=swap");

@keyframes fadeInOut {
  0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
  10% { opacity: 1; transform: translateX(-50%) translateY(0); }
  90% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

:root {
  --bg: #F7F6F3;
  --surface: #FFFFFF;
  --text: #2C3345;
  --text-muted: #6B7289;
  --accent: #1B3A5C;
  --accent-deep: #122840;
  --accent-pop: #C8872A;
  --accent-pop-hover: #A86E1F;
  --border: #E2E4EA;
  --border-light: #ECEEF2;
  --accent-light: #EEF2F7;
  --accent-pop-light: #FBF5EB;
  --max-width: 920px;
  --nav-height: 3rem;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(18, 40, 64, 0.06);
  --shadow-md: 0 4px 16px rgba(18, 40, 64, 0.08);
  --font-body: "Raleway", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Raleway", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html { 
  scroll-behavior: smooth; 
  font-size: 125%; 
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--accent);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s;
}

a:hover { color: var(--accent-pop); }

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

/* ── Header ── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: calc(var(--max-width) + 3rem);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--nav-height);
}

.site-nav__brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.site-nav__brand:hover { color: var(--accent-pop); }

.site-nav__links {
  display: flex;
  gap: 0.125rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.site-nav__links a:hover,
.site-nav__links a.is-active {
  color: var(--accent);
}

.site-nav__links a.is-active {
  border-bottom-color: var(--accent-pop);
}

.site-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.site-nav__toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--accent);
  transition: transform 0.2s, opacity 0.2s;
}

.site-nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.site-nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }

.site-nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* ── Layout ── */

.site-main {
  max-width: calc(var(--max-width) + 3rem);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.page-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.page-header__title {
  font-size: 1.375rem;
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.page-header__subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
}

.section-label {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

/* ── Biscuits (pills / tags) ── */

.biscuit {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.3;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.biscuit--pop {
  color: var(--accent-pop-hover);
  background: var(--accent-pop-light);
  border: 1px solid rgba(200, 135, 42, 0.35);
}

.biscuit--grey {
  color: var(--text-muted);
  background: #EFF0F3;
  border: 1px solid var(--border);
}

.biscuit--soft {
  color: var(--accent);
  background: var(--surface);
  border: 1px solid var(--border);
}

.biscuit--navy {
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(27, 58, 92, 0.12);
}

.biscuit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.65rem;
}

a.biscuit {
  text-decoration: none;
  transition: all 0.15s;
}

a.biscuit:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

a.biscuit--grey:hover {
  color: var(--accent-pop);
  border-color: rgba(200, 135, 42, 0.4);
}

/* ── Jumbotron (About) ── */

.jumbotron {
  position: relative;
  display: block;
  width: 100%;
  height: 128px;
  overflow: hidden;
  background: var(--accent-deep);
  border-bottom: 3px solid var(--accent-pop);
}

.jumbotron--about {
  height: 248px;
}

.jumbotron__video,
.jumbotron__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 53%;
}

.jumbotron--page .jumbotron__video,
.jumbotron--page .jumbotron__img {
  object-position: center 75%;
}

.jumbotron--teaching .jumbotron__video,
.jumbotron--teaching .jumbotron__img {
  object-position: center 18%;
}

.jumbotron--research .jumbotron__video,
.jumbotron--research .jumbotron__img {
  object-position: center 32%;
}

.jumbotron--talks .jumbotron__video,
.jumbotron--talks .jumbotron__img {
  object-position: center 52%;
}

.jumbotron--service .jumbotron__video,
.jumbotron--service .jumbotron__img {
  object-position: center 61%;
}

.jumbotron--supervision .jumbotron__video,
.jumbotron--supervision .jumbotron__img {
  object-position: center 82%;
}

.jumbotron--materials .jumbotron__video,
.jumbotron--materials .jumbotron__img {
  object-position: center 72%;
}

.jumbotron__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(18, 40, 64, 0.85) 0%,
    rgba(18, 40, 64, 0.5) 40%,
    rgba(18, 40, 64, 0.5) 60%,
    rgba(18, 40, 64, 0.85) 100%
  );
}

.jumbotron__inner {
  position: relative;
  z-index: 1;
  max-width: calc(var(--max-width) + 3rem);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 1rem;
}

.jumbotron__inner--center {
  align-items: center;
  padding-bottom: 0;
}

.jumbotron__identity {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.jumbotron__avatar {
  width: 72px;
  height: 72px;
  object-fit: cover;
  object-position: center 15%;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.jumbotron--about .jumbotron__avatar {
  width: 104px;
  height: 104px;
  border-width: 3px;
}

.jumbotron--about .jumbotron__inner {
  align-items: center;
  padding-bottom: 0;
  justify-content: flex-start;
  gap: 4.5rem;
}

.jumbotron__text { min-width: 0; }

.jumbotron__eyebrow {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.2;
}

.jumbotron__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: #fff;
  margin: 0.1rem 0 0;
  letter-spacing: 0;
  line-height: 1.15;
}

.jumbotron__tagline {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
}

.jumbotron__contact {
  text-align: left;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8125rem;
  padding-bottom: 0;
}

.jumbotron-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

.jumbotron-contact-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.jumbotron-contact-icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-pop);
  flex-shrink: 0;
  margin-right: 0.5rem;
}

.jumbotron-contact-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.jumbotron-contact-label {
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
}

.jumbotron-contact-value {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.35;
  text-decoration: none;
  transition: all 0.15s;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  display: inline-block;
  margin-top: 0.15rem;
}

a.jumbotron-contact-value:hover {
  color: #fff;
  background: var(--accent-pop);
}

.jumbotron__page-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  margin: 0 0 0.15rem;
  letter-spacing: -0.02em;
}

.jumbotron__page-sub {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

/* ── Home layout ── */

.site-main--compact {
  padding-top: 2rem;
}

.home-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  max-width: 1040px;
  margin: 0 auto;
}

.home-section-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--accent-deep);
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

.about-main p {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--text);
}

.about-main p:last-of-type { margin-bottom: 0; }

.interest-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 2px solid var(--accent-pop-light);
}

/* ── Home teaching strip ── */

.home-teaching {
  /* Removed top border and margin for grid layout */
}

.home-teaching__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.home-teaching__header .home-section-title {
  margin-bottom: 0;
}

.home-teaching__link {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-pop);
  white-space: nowrap;
}

.home-teaching__link:hover { color: var(--accent); }

.home-teaching__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

/* ── Course cards ── */

.course-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-pop);
  border-radius: var(--radius);
  padding: 1.125rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.course-card--compact {
  border-left-width: 2px;
  padding: 0.875rem 1rem;
}

.course-card__top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.35rem;
}

.course-card__code {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-pop);
}

.course-card__term {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.course-card__title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.5rem;
  line-height: 1.35;
}

.course-card--compact .course-card__title {
  font-size: 0.8125rem;
  margin-bottom: 0.65rem;
}

.course-card__note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0 0 0.75rem;
}

.course-card__pending {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

/* ── Links ── */

.link--materials {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  margin-top: 0.25rem;
}

.link--materials:hover {
  color: var(--accent-pop);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Button ── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, transform 0.1s;
}

.btn--materials {
  background: var(--accent);
  color: #fff;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius);
}

.btn--materials:hover {
  background: var(--accent-pop);
  color: #fff;
}

.btn__icon {
  font-size: 0.85em;
  transition: transform 0.15s;
}

.btn--materials:hover .btn__icon {
  transform: translateX(2px);
}

.btn--ghost {
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-pop);
}

/* ── Past courses ── */

.teaching-current,
.home-teaching__grid {
  display: grid;
  gap: 0.75rem;
}

.teaching-current {
  grid-template-columns: 1fr;
  margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
  .teaching-current {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  }
}

.teaching-past {
  display: flex;
  flex-direction: column;
}

.past-course {
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--border-light);
}

.past-course:first-child { padding-top: 0; }
.past-course:last-child { border-bottom: none; }

.past-course__row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.15rem;
}

.past-course__code {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--accent);
}

.past-course__term {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.past-course__title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.2rem;
}

.past-course__desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0 0 0.25rem;
}

.past-course__meta {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin: 0;
}

/* ── Timeline (Talks) ── */

.timeline {
  position: relative;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}

.timeline__item {
  position: relative;
  padding: 0 0 1.25rem 1.25rem;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__item::before {
  content: "";
  position: absolute;
  left: -1.3125rem;
  top: 0.35rem;
  width: 8px;
  height: 8px;
  background: var(--accent-pop);
  border-radius: 50%;
  border: 2px solid var(--bg);
}

.timeline__date {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-pop);
  margin-bottom: 0.2rem;
}

.timeline__title {
  font-size: 0.9375rem;
  margin: 0 0 0.15rem;
}

.timeline__venue {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0 0 0.35rem;
}

.timeline__desc {
  font-size: 0.8125rem;
  color: var(--text);
  margin: 0;
}

/* ── Info cards (Service) ── */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem;
}

.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.125rem;
  transition: border-color 0.15s;
}

.info-card:hover { border-color: var(--accent-pop); }

.info-card__title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  margin: 0 0 0.4rem;
}

.info-card__text {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.55;
}

/* ── Supervision ── */

.supervision-block {
  margin-bottom: 1.75rem;
}

.supervision-block:last-child { margin-bottom: 0; }

.supervision-block__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.6rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--accent-pop-light);
}

.supervision-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.supervision-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.5rem 0;
  position: relative;
  font-size: 0.8125rem;
  line-height: 1.5;
  border-bottom: 1px solid var(--border-light);
}

.supervision-list__item:last-child { border-bottom: none; }

.supervision-list__sem {
  flex-shrink: 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent-pop-hover);
  min-width: 4.75rem;
  padding-top: 0.05rem;
}

.supervision-list__content {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.supervision-list__text {
  color: var(--text);
}

.supervision-list__subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Course materials page ── */

.course-page {
  padding-top: 1.5rem;
}

.course-page__back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.course-page__back:hover { color: var(--accent-pop); }

.course-page__header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-pop);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.course-page__eyebrow {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-pop);
  margin: 0 0 0.35rem;
}

.course-page__code {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.15rem;
}

.course-page__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.35rem;
}

.course-page__instructor {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0;
}

.materials-section {
  margin-bottom: 1.75rem;
}

.materials-section__title {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-light);
}

.materials-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.materials-list__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border-light);
}

.materials-list__item:last-child { border-bottom: none; }

.materials-list__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
}

.materials-list__link:hover { color: var(--accent-pop); }

.materials-list__arrow {
  font-size: 0.7em;
  opacity: 0.5;
}

.materials-list__label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.materials-list__date {
  font-size: 0.6875rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Title | slides | code grid */

.materials-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-size: 0.8125rem;
}

.materials-grid__head,
.materials-grid__row {
  display: grid;
  grid-template-columns: 1fr 4.5rem 4.5rem;
  align-items: center;
  column-gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.materials-grid__head {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--text-muted);
  padding-top: 0;
}

.materials-grid__row:last-child {
  border-bottom: none;
}

.materials-grid__title {
  color: var(--text);
  font-weight: 500;
  line-height: 1.4;
  padding-right: 0.5rem;
}

.materials-grid__col--link {
  text-align: center;
}

.materials-grid__link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}

.materials-grid__link:hover {
  color: var(--accent-pop);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.materials-grid__empty {
  color: var(--text-muted);
}

@media (max-width: 520px) {
  .materials-grid__head,
  .materials-grid__row {
    grid-template-columns: 1fr 3.25rem 3.25rem;
    column-gap: 0.5rem;
  }
}

/* ── Publications (Research) ── */

.publication-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.publication-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border-light);
}

.publication-item:first-child { padding-top: 0; }
.publication-item:last-child { border-bottom: none; }

.publication-item__year {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-pop-hover);
  padding-top: 0.15rem;
}

.publication-item__title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--accent);
  margin: 0 0 0.25rem;
}

.publication-item__venue {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0 0 0.35rem;
  line-height: 1.45;
}

.publication-item__links {
  font-size: 0.75rem;
  font-weight: 500;
  margin: 0;
}

.publication-item__links a {
  color: var(--accent);
}

.publication-item__links a:hover {
  color: var(--accent-pop);
}

.publication-item__sep {
  margin: 0 0.35rem;
  color: var(--text-muted);
}

@media (max-width: 520px) {
  .publication-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* ── Utility ── */

.msg {
  font-size: 0.8125rem;
  margin: 0;
}

.msg--empty {
  color: var(--text-muted);
  font-style: italic;
}

.msg--error {
  color: #9B3A3A;
}

.loading {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-style: italic;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.site-footer p { margin: 0; }

/* ── Responsive ── */

@media (max-width: 768px) {
  .site-nav__toggle { display: flex; }

  .jumbotron__page-title {
    padding-top: 1.25rem;
  }

  .site-nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.25rem 0.75rem;
    box-shadow: var(--shadow-md);
  }

  .site-nav__links.is-open { display: flex; }
  .site-nav { position: relative; }

  .jumbotron--about { height: auto; padding-top: 2rem; }
  .jumbotron--page { height: 112px; }

  .jumbotron__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    padding-top: 0;
  }

  .jumbotron--about .jumbotron__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .jumbotron__contact {
    text-align: left;
    padding-bottom: 1rem;
  }

  .jumbotron-contact-list {
    align-items: flex-start;
  }

  .jumbotron--about .jumbotron__avatar {
    width: 84px;
    height: 84px;
  }

  .jumbotron__avatar {
    width: 60px;
    height: 60px;
  }

  .jumbotron__name { font-size: 1.0625rem; }

  .jumbotron__identity {
    align-items: flex-start;
    gap: 0.65rem;
  }

  .home-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .home-teaching__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}