:root {
  --bg: #f3f8f4;
  --bg-soft: #eaf2ec;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #ffffff;
  --surface-alt: #f7fcf8;
  --ink: #112018;
  --muted: #617165;
  --muted-strong: #344238;
  --line: rgba(17, 32, 24, 0.08);
  --line-strong: rgba(17, 32, 24, 0.15);
  --accent: #138a4e;
  --accent-rgb: 19, 138, 78;
  --accent-deep: #0d5a35;
  --accent-deep-rgb: 13, 90, 53;
  --accent-soft: #e3f4e9;
  --signal: #1aa57a;
  --signal-rgb: 26, 165, 122;
  --signal-soft: rgba(26, 165, 122, 0.12);
  --warm: #d97706;
  --shadow-sm: 0 14px 34px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 28px 80px rgba(15, 23, 42, 0.1);
  --ease-standard: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-gentle: cubic-bezier(0.2, 0.8, 0.2, 1);
  --duration-fast: 220ms;
  --duration-medium: 380ms;
  --duration-slow: 780ms;
  --radius-xxl: 40px;
  --radius-xl: 32px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1240px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  font-family: "Sora", sans-serif;
  font-size: 15.5px;
  line-height: 1.7;
  font-weight: 400;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background:
    radial-gradient(circle at 12% 0%, rgba(var(--accent-rgb), 0.14), transparent 26%),
    radial-gradient(circle at 88% 10%, rgba(var(--signal-rgb), 0.12), transparent 24%),
    linear-gradient(180deg, #f8fbf8 0%, #edf5ef 48%, #f7faf7 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.045) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.58), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.58), transparent 88%);
}

body::after {
  background:
    radial-gradient(circle at 70% 18%, rgba(var(--accent-rgb), 0.08), transparent 18%),
    radial-gradient(circle at 20% 74%, rgba(var(--signal-rgb), 0.07), transparent 16%);
}

::selection {
  background: rgba(var(--accent-rgb), 0.16);
  color: var(--ink);
}

a,
button,
input,
select {
  transition:
    color var(--duration-medium) var(--ease-standard),
    background-color var(--duration-medium) var(--ease-standard),
    border-color var(--duration-medium) var(--ease-standard),
    box-shadow var(--duration-medium) var(--ease-standard),
    transform var(--duration-medium) var(--ease-standard),
    opacity var(--duration-medium) var(--ease-standard);
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 18px auto 32px;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(245, 250, 246, 0.42));
  box-shadow:
    0 10px 28px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.46);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  backdrop-filter: blur(26px) saturate(180%);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 1px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: inherit;
  pointer-events: none;
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.site-header.has-scrolled {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(242, 248, 243, 0.58));
  border-color: rgba(15, 23, 42, 0.1);
  box-shadow:
    0 16px 36px rgba(15, 23, 42, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.58);
}

.brand {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  padding: 8px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(242, 248, 243, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.brand-mark img,
.avatar-circle img {
  width: 100%;
  height: 100%;
  display: block;
}

.brand-mark img {
  object-fit: contain;
}

.avatar-circle img {
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 4px;
}

.brand-copy strong {
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.site-nav a,
.nav-dropdown summary {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--muted-strong);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
}

.site-nav a:hover,
.nav-dropdown:hover summary,
.nav-dropdown[open] summary {
  color: var(--accent-deep);
  background: rgba(255, 255, 255, 0.48);
  box-shadow:
    0 8px 18px rgba(15, 23, 42, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.nav-dropdown {
  position: relative;
}

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

.nav-dropdown summary::after {
  content: "+";
  margin-left: 8px;
  color: var(--accent);
  font-size: 0.96rem;
  font-weight: 800;
}

.nav-dropdown[open] summary::after {
  content: "-";
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  display: none;
  min-width: 220px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 34px rgba(15, 23, 42, 0.08);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
  backdrop-filter: blur(20px) saturate(170%);
}

.nav-dropdown[open] .nav-dropdown-menu {
  display: grid;
  gap: 4px;
}

.nav-dropdown-menu a {
  padding: 12px 14px;
  border-radius: 16px;
  color: var(--muted);
  font-weight: 600;
}

.nav-dropdown-menu a:hover {
  color: var(--accent-deep);
  background: rgba(var(--accent-rgb), 0.12);
}

/* Native asset is ~4:1 (e.g. 1444×360); do not use 16:9 */
.hero-video {
  position: relative;
  grid-column: 1 / -1;
  width: calc(100% + 72px);
  margin: -36px -36px 24px;
  border-radius: var(--radius-xxl) var(--radius-xxl) 0 0;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: rgba(17, 32, 24, 0.06);
  aspect-ratio: 361 / 90;
}

.hero-video-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 28px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xxl);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(244, 249, 245, 0.94)),
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.04), rgba(var(--signal-rgb), 0.04));
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  top: -70px;
  right: -50px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.14), transparent 70%);
  animation: ambient-float 18s var(--ease-gentle) infinite;
}

.hero::after {
  left: -120px;
  bottom: -160px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  border: 1px solid rgba(var(--accent-rgb), 0.08);
  animation: ambient-float 24s var(--ease-gentle) infinite reverse;
}

.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.hero-head {
  display: grid;
  gap: 16px;
}

.hero-badges,
.papers-summary-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.papers-summary-strip {
  margin-bottom: 18px;
}

.eyebrow,
.feature-kicker,
.person-role,
.panel-eyebrow,
.hero-note-label,
.papers-filter-label,
.research-index {
  margin: 0;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.site-footer h2,
.cta-band h2 {
  margin: 0;
  font-family: "Newsreader", serif;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
}

.hero h1 {
  max-width: min(100%, 22ch);
  margin: 20px auto 0;
  font-size: clamp(2.15rem, 4.2vw, 3.5rem);
  text-align: center;
}

.hero .lead {
  text-align: center;
  margin: 22px auto 0;
}

.hero-research-figure {
  margin: 28px auto 0;
  max-width: min(69ch, 100%);
  padding: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-sm);
}

.hero-research-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.lead {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.78;
}

.lead a {
  color: var(--accent-deep);
  font-weight: 600;
  text-decoration: none;
}

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

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.button:hover {
  transform: translateY(-2px) scale(1.012);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
}

.button-primary {
  background: linear-gradient(135deg, #179257, #0d5a35);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 18px 30px rgba(var(--accent-rgb), 0.24);
}

.button-primary:hover {
  box-shadow: 0 22px 34px rgba(var(--accent-rgb), 0.3);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(var(--accent-rgb), 0.16);
}

.data-pill,
.publication-chip,
.inline-list li {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(var(--accent-rgb), 0.08);
  background: rgba(255, 255, 255, 0.76);
  color: var(--muted-strong);
  font-size: 0.76rem;
  font-weight: 600;
}

.data-pill {
  background: rgba(255, 255, 255, 0.7);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.metric-card {
  display: grid;
  gap: 8px;
  min-height: 102px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(242, 248, 243, 0.86));
  box-shadow: var(--shadow-sm);
}

.metric-value,
.flow-core strong,
.flow-leaf strong,
.publication-year-head h3 {
  font-family: "Newsreader", serif;
  font-weight: 500;
  letter-spacing: -0.03em;
}

.metric-value {
  font-size: 1.8rem;
  color: var(--accent-deep);
}

.metric-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-panel {
  display: grid;
  gap: 16px;
  align-content: start;
}

.hero-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(245, 250, 246, 0.82));
}

.hero-panel-head h2 {
  margin: 8px 0 0;
  font-family: "Newsreader", serif;
  font-size: 1.28rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.panel-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.74rem;
  font-weight: 600;
}

.hero-figure {
  margin: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 249, 245, 0.92));
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 14px;
}

.flow-stage {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: stretch;
}

.flow-stage-index {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(var(--accent-rgb), 0.12);
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.flow-core,
.flow-leaf {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
}

.flow-core {
  display: grid;
  gap: 6px;
  align-content: center;
  min-height: 98px;
  padding: 18px 20px;
}

.flow-core strong,
.flow-leaf strong {
  font-size: 1.18rem;
  color: var(--accent-deep);
}

.flow-core span,
.flow-leaf span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.64;
}

.flow-understanding {
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.08), rgba(var(--signal-rgb), 0.08)),
    rgba(255, 255, 255, 0.86);
}

.flow-link {
  width: 2px;
  height: 28px;
  margin-left: 19px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.18), rgba(var(--signal-rgb), 0.52));
}

.flow-leaves {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding-left: 54px;
}

.flow-leaf {
  display: grid;
  gap: 8px;
  min-height: 150px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(242, 248, 243, 0.84));
}

.hero-note-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.hero-note {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.74);
}

.hero-note-label {
  display: inline-block;
  margin-bottom: 10px;
}

.hero-note p,
.section-intro,
.publication-intro p,
.publications-status,
.publication-empty,
.publication-entry p,
.feature-card p,
.faculty-card p,
.research-card p,
.person-card p,
.work-card p,
.cta-band p,
.footer-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.76;
}

.section,
.cta-band,
.site-footer {
  position: relative;
  margin-top: 26px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xxl);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-sm);
}

.section::before,
.cta-band::before,
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 34px;
  width: 84px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--signal));
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.78fr);
  gap: 18px 24px;
  align-items: end;
  margin-bottom: 28px;
}

.section-heading h2,
.site-footer h2,
.cta-band h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
}

.section-intro {
  max-width: 48ch;
}

.members-subsection {
  margin-top: 34px;
}

.members-subsection-heading {
  margin-bottom: 24px;
}

.feature-grid,
.faculty-grid,
.research-grid,
.people-grid,
.work-grid,
.sources-grid,
.publications-list,
.publication-year-grid {
  display: grid;
  gap: 18px;
}

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

.research-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.people-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.students-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px 22px;
}

.students-list article {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  width: 70%;
}

.student-avatar {
  width: 170px;
  height: 170px;
  flex-basis: 170px;
  border-radius: 24px;
}

.student-name {
  margin: 6px 0 0;
  font-size: 1.3rem;
  line-height: 1.35;
  text-align: center;
}

.student-role {
  margin: 2px 0 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted-ink);
  text-align: center;
}

.students-list .person-tags {
  text-align: center;
}

.work-grid,
.sources-grid,
.publication-year-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.faculty-card,
.research-card,
.person-card,
.work-card,
.publications-status,
.publication-year,
.publication-column {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(246, 250, 247, 0.86));
  box-shadow: var(--shadow-sm);
}

.feature-card,
.faculty-card,
.person-card,
.work-card,
.research-card {
  padding: 32px 28px 28px;
  overflow: hidden;
}

.feature-card:hover,
.faculty-card:hover,
.research-card:hover,
.person-card:hover,
.work-card:hover,
.sources-grid a:hover,
.publication-entry:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--accent-rgb), 0.16);
  box-shadow: 0 26px 42px rgba(15, 23, 42, 0.12);
}

.profile-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.profile-head h3,
.profile-head .feature-kicker,
.profile-head .person-role {
  margin-left: 0;
}

.avatar-circle {
  flex: 0 0 86px;
  width: 86px;
  height: 86px;
  border-radius: 28px;
  overflow: hidden;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.14), rgba(var(--signal-rgb), 0.14));
  color: var(--accent-deep);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.students-list .student-avatar {
  flex: 0 0 170px;
  width: 170px;
  height: 170px;
  flex-basis: 170px;
  border-radius: 24px;
}

.avatar-faculty {
  width: 120px;
  height: 120px;
  flex-basis: 120px;
}

.feature-card h3,
.faculty-card h3,
.research-card h3,
.person-card h3,
.work-card h3 {
  margin: 0 0 14px;
  font-size: 1.24rem;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.inline-list,
.person-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.person-tags {
  display: block;
  margin-top: 12px;
  padding: 0;
  list-style: none;
  font-size: 0.86rem;
  color: var(--muted-strong);
  width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.site-nav a,
.source-links a,
.sources-grid a,
.text-link {
  color: inherit;
  text-decoration: none;
}

.source-links a,
.sources-grid a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-deep);
  font-size: 0.84rem;
  font-weight: 600;
}

.source-links a::after,
.text-link::after {
  content: "↗";
  font-size: 0.78rem;
}

.source-links a:hover,
.sources-grid a:hover {
  color: var(--accent-deep);
  background: var(--accent-soft);
  border-color: rgba(var(--accent-rgb), 0.18);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-deep);
  font-weight: 600;
}

.text-link:hover {
  color: var(--accent);
  transform: translateX(2px);
}

.research-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(240, 247, 242, 0.9));
}

.research-index {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: rgba(217, 119, 6, 0.1);
  color: var(--warm);
}

.person-card-muted {
  background:
    linear-gradient(180deg, rgba(251, 253, 251, 0.94), rgba(243, 248, 244, 0.9));
  border-style: dashed;
}

.work-card-featured {
  background:
    linear-gradient(150deg, #0d5a35, #16804c),
    rgba(255, 255, 255, 0.86);
}

.work-card-featured .feature-kicker,
.work-card-featured h3,
.work-card-featured p {
  color: #ffffff;
}

.work-card-featured .text-link {
  color: #ffffff;
}

.work-card-featured .text-link:hover {
  color: #dcf7e7;
}

.publication-intro {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
}

.papers-filter-shell {
  display: grid;
  gap: 14px;
  padding: 20px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(244, 249, 245, 0.86));
  box-shadow: var(--shadow-sm);
}

.papers-filter-title {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.papers-filter-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.15fr) repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  align-items: end;
}

.papers-filter-field {
  display: grid;
  gap: 8px;
}

.papers-filter-field input,
.papers-filter-field select,
.publication-search input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(243, 248, 244, 0.86));
  color: var(--ink);
  outline: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 1px 2px rgba(17, 32, 24, 0.03);
}

.papers-filter-field input:hover,
.papers-filter-field select:hover,
.publication-search input:hover {
  border-color: rgba(var(--accent-rgb), 0.18);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.62),
    0 10px 20px rgba(17, 32, 24, 0.05);
}

.papers-filter-field select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  padding-right: 42px;
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(243, 248, 244, 0.86)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6.5L8 10L12 6.5' stroke='%230d5a35' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat;
  background-position: 0 0, right 14px center;
  background-size: auto, 16px 16px;
}

.papers-filter-field select option {
  color: var(--ink);
  background: var(--surface-strong);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header {
    background: rgba(248, 252, 249, 0.96);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.1);
  }

  .site-header.has-scrolled {
    background: rgba(246, 250, 247, 0.98);
  }

  .nav-dropdown-menu {
    background: rgba(249, 252, 250, 0.98);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.1);
  }
}

@supports not ((mask-image: linear-gradient(black, transparent)) or (-webkit-mask-image: linear-gradient(black, transparent))) {
  body::before {
    opacity: 0.22;
    -webkit-mask-image: none;
    mask-image: none;
  }
}

.papers-filter-field input:focus,
.papers-filter-field select:focus,
.publication-search input:focus {
  border-color: rgba(var(--accent-rgb), 0.34);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.1);
}

.papers-filter-field-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.papers-filter-reset,
.publication-toggle,
.papers-pager-button {
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--muted-strong);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
}

.papers-filter-reset:hover,
.publication-toggle:hover,
.papers-pager-button:hover:enabled {
  color: var(--accent-deep);
  background: var(--accent-soft);
  border-color: rgba(var(--accent-rgb), 0.18);
  box-shadow: 0 12px 20px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
}

.papers-filter-count,
.publication-summary {
  display: flex;
  justify-content: flex-end;
}

.papers-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.papers-pager-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.papers-pager-info {
  min-width: 220px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 500;
  text-align: center;
}

.publication-controls {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.publication-toggles {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  grid-column: 1 / -1;
}

.publication-toggle.is-active {
  background: var(--accent-soft);
  color: var(--accent-deep);
  border-color: rgba(var(--accent-rgb), 0.18);
}

.publications-status,
.publication-empty {
  padding: 22px;
}

.publication-year {
  padding: 24px;
}

/* Papers page: remove outer list container card/border */
#papers .publication-year {
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.publication-year-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.publication-year-head h3 {
  margin: 0;
  font-size: 1.9rem;
  color: var(--accent-deep);
}

.publication-column {
  padding: 18px;
}

.publication-column h4 {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.publication-stack {
  display: grid;
  gap: 14px;
}

.publication-entry {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-sm);
}

.publication-entry h5 {
  margin: 0 0 10px;
  font-size: 0.96rem;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.publication-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.publication-chip {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.publication-abstract {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.publication-abstract-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
}

.publication-abstract-toggle::after {
  content: "+";
  font-size: 0.94rem;
}

.publication-abstract-toggle[aria-expanded="true"]::after {
  content: "-";
}

.publication-abstract-text {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.72;
}

.sources-grid {
  margin-top: 22px;
}

.sources-grid a {
  min-height: 62px;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 22px;
}

.cta-band {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  align-items: end;
  gap: 24px;
}

.site-footer {
  margin-bottom: 36px;
}

.footer-note {
  margin-top: 22px;
  font-size: 0.95rem;
}

.site-header,
.hero,
.section,
.cta-band,
.site-footer,
.metric-card,
.hero-panel-head,
.hero-figure,
.hero-note,
.feature-card,
.faculty-card,
.research-card,
.person-card,
.work-card,
.publications-status,
.publication-year,
.publication-column,
.publication-entry,
.source-links a,
.sources-grid a {
  transition:
    background-color var(--duration-medium) var(--ease-standard),
    border-color var(--duration-medium) var(--ease-standard),
    box-shadow var(--duration-medium) var(--ease-standard),
    transform var(--duration-medium) var(--ease-standard),
    opacity var(--duration-medium) var(--ease-standard);
}

.reveal-on-scroll {
  opacity: 0;
  transform: translate3d(0, 18px, 0);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: transform, opacity;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.hero.reveal-on-scroll {
  transform: translate3d(0, 24px, 0) scale(0.992);
}

.hero.reveal-on-scroll.is-visible {
  transform: translate3d(0, 0, 0) scale(1);
}

@keyframes ambient-float {

  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(0, -10px, 0);
  }
}

code {
  padding: 0.16em 0.42em;
  border-radius: 10px;
  background: rgba(var(--accent-rgb), 0.08);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1120px) {

  .hero,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .faculty-grid {
    grid-template-columns: 1fr;
  }

  .research-grid,
  .people-grid,
  .work-grid,
  .sources-grid,
  .publication-year-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
    margin: 12px auto 24px;
  }

  .site-header {
    position: static;
    align-items: flex-start;
    border-radius: 32px;
    padding: 16px;
  }

  .site-nav {
    display: none;
  }

  .hero,
  .section,
  .cta-band,
  .site-footer {
    padding: 24px;
    border-radius: 32px;
  }

  .hero-video {
    width: calc(100% + 48px);
    margin: -24px -24px 20px;
    border-radius: 32px 32px 0 0;
  }

  .hero-metrics,
  .hero-note-grid,
  .research-grid,
  .people-grid,
  .work-grid,
  .sources-grid,
  .publication-year-grid,
  .flow-leaves,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .flow-stage {
    grid-template-columns: 1fr;
  }

  .flow-link {
    margin-left: 16px;
    height: 24px;
  }

  .flow-leaves {
    padding-left: 0;
  }

  .hero-panel-head {
    flex-direction: column;
  }

  .papers-filter-grid,
  .publication-controls {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .papers-filter-field-actions,
  .publication-summary,
  .publication-toggles {
    justify-content: flex-start;
  }

  .papers-pager {
    flex-direction: column;
  }

  .profile-head {
    align-items: flex-start;
  }

  .avatar-circle {
    width: 78px;
    height: 78px;
    flex-basis: 78px;
    border-radius: 24px;
  }

  .avatar-faculty {
    width: 108px;
    height: 108px;
    flex-basis: 108px;
  }

  .hero h1,
  .section-heading h2,
  .site-footer h2,
  .cta-band h2 {
    line-height: 1;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2rem, 9vw, 3rem);
  }
}

@media (max-width: 560px) {
  .site-header {
    gap: 14px;
  }

  .brand {
    align-items: flex-start;
  }

  .brand-copy strong {
    font-size: 0.92rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .papers-pager-button {
    width: 100%;
  }

  .source-links a,
  .sources-grid a {
    width: 100%;
    justify-content: space-between;
  }

  .feature-card,
  .faculty-card,
  .person-card,
  .work-card,
  .research-card,
  .publication-year,
  .publication-entry {
    border-radius: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }

  .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}