:root {
  --bg: #f4efe6;
  --bg-strong: #ece2d3;
  --surface: rgba(255, 251, 245, 0.75);
  --surface-strong: #fffaf2;
  --ink: #1f1f1b;
  --ink-soft: #565148;
  --line: rgba(42, 37, 28, 0.14);
  --accent: #d86c31;
  --accent-strong: #b84d17;
  --accent-muted: rgba(216, 108, 49, 0.12);
  --shadow: 0 18px 50px rgba(74, 54, 28, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(216, 108, 49, 0.18), transparent 24rem),
    radial-gradient(circle at bottom right, rgba(95, 130, 112, 0.18), transparent 28rem),
    linear-gradient(180deg, #f7f1e8 0%, #f1e8dc 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.site-shell {
  width: min(calc(100% - clamp(4rem, 8vw, 7rem)), var(--max-width));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(0.9rem, 2vw, 1.4rem);
  margin-inline: calc(clamp(0.9rem, 2vw, 1.4rem) * -1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #f2b262);
  color: #fff;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-copy span {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 248, 239, 0.75);
}

.nav a {
  padding: 0.75rem 1rem;
  border-radius: 999px;
  color: var(--ink-soft);
}

.nav-current {
  background: #fffaf3;
  color: var(--ink) !important;
  font-weight: 800;
}

.nav a:hover,
.nav a:focus-visible {
  background: #fffaf3;
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  gap: 1.5rem;
  padding: 4rem 0 2rem;
}

.hero-copy,
.hero-panel,
.info-card,
.case-panel,
.feature-card,
.publication-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 2rem;
}

.hero-copy > .eyebrow {
  max-width: 15ch;
  margin-bottom: 1.25rem;
  color: var(--ink);
  font-family: "Fraunces", serif;
  font-size: clamp(3rem, 7vw, 5.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.98;
  text-transform: none;
}

.hero-copy h1 {
  max-width: 28rem;
  color: var(--accent-strong);
  font-family: "Manrope", sans-serif;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}

.eyebrow,
.panel-label,
.pub-label {
  margin: 0 0 0.6rem;
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
}

h1,
h2 {
  font-family: "Fraunces", serif;
  line-height: 1;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 8vw, 5.6rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.lede,
.section-note,
.case-summary,
.contact-card p,
.publication-card p,
.feature-card p {
  color: var(--ink-soft);
  line-height: 1.7;
}

.hero-actions,
.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  font-weight: 700;
}

.button-primary {
  background: var(--ink);
  color: #fff;
}

.button-secondary {
  border: 1px solid var(--line);
  background: #fff7ee;
}

.hero-facts,
.compact-list,
.timeline,
.case-meta,
.detail-block ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 1.35rem;
}

.filter-chip,
.pub-label {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 252, 247, 0.8);
}

.hero-facts li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink-soft);
  font-weight: 700;
}

.hero-facts li::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--accent);
}

.hero-panel {
  padding: 1.25rem;
}

.hero-photo {
  display: block;
  width: 100%;
  height: clamp(18rem, 34vw, 29rem);
  margin-bottom: 1rem;
  border-radius: var(--radius-md);
  object-fit: cover;
  object-position: 50% 32%;
  filter: saturate(0.9) contrast(1.02);
}

.panel-card {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #fff8ed 0%, #f7ede0 100%);
}

.panel-card p,
.panel-card span {
  color: var(--ink-soft);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.signal-grid article {
  min-height: 6.8rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 250, 242, 0.85);
  border: 1px solid var(--line);
}

.signal-grid strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.1rem;
}

.section {
  padding: 2rem 0;
}

.page-hero {
  padding: 4rem 0 2rem;
  max-width: 52rem;
}

.page-title {
  font-size: clamp(2.8rem, 7vw, 5rem);
}

.section-grid {
  display: grid;
  gap: 1.25rem;
}

.pub-section {
  display: grid;
  gap: 1.25rem;
  scroll-margin-top: 8rem;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 55rem;
}

.section-heading + .research-grid {
  margin-top: 1.35rem;
}

.section-heading-split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.profile-grid,
.research-grid,
.publication-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

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

.portfolio-overview {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.info-card,
.feature-card,
.publication-card,
.contact-card {
  padding: 1.5rem;
}

.pub-stack,
.conference-stack {
  display: grid;
  gap: 1rem;
}

.pub-entry {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 243, 0.88);
  box-shadow: var(--shadow);
}

.pub-entry-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.pub-entry .pub-label {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.95rem;
  margin: 0;
}

.pub-year {
  color: var(--ink-soft);
  font-weight: 700;
}

.pub-meta {
  margin: 0.65rem 0 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.journal {
  display: block;
  margin-top: 0.12rem;
  color: var(--ink);
  font-style: italic;
  font-weight: 800;
}

.institution-marquee {
  overflow: hidden;
  margin: 0.5rem 0 2.75rem;
  padding: 1rem 0 0;
  border-block: 1px solid var(--line);
  background: rgba(255, 250, 243, 0.58);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee-caption {
  margin: 0 0 0.35rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 0.9rem;
  padding: 0.75rem 0 1rem;
  animation: marquee-scroll 48s linear infinite;
}

.logo-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  width: 11.5rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: rgba(255, 252, 247, 0.92);
  box-shadow: 0 10px 26px rgba(74, 54, 28, 0.07);
}

.logo-card img {
  display: block;
  max-width: 100%;
  max-height: 2.2rem;
  object-fit: contain;
  filter: saturate(0.85) contrast(0.98);
}

.text-logo {
  color: var(--ink);
  font-family: "Fraunces", serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

.topic-link {
  display: block;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.topic-link:hover,
.topic-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(184, 77, 23, 0.35);
  box-shadow: 0 18px 40px rgba(88, 56, 25, 0.12);
}

.conference-group {
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.conference-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.conference-year-title {
  margin-bottom: 1rem;
  font-size: 2rem;
}

.conference-year-grid {
  display: grid;
  gap: 0.8rem;
}

.conference-entry {
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 243, 0.62);
}

.conference-entry h4 {
  margin-bottom: 0.45rem;
  font-size: 1.1rem;
  line-height: 1.35;
}

.timeline li {
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  line-height: 1.6;
}

.timeline li:first-child {
  border-top: 0;
  padding-top: 0.2rem;
}

.timeline span {
  display: block;
  color: var(--ink);
  font-weight: 700;
}

.link-row a,
.text-link {
  color: var(--accent-strong);
  font-weight: 700;
}

.portfolio-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.filter-chip {
  padding: 0.85rem 1rem;
  cursor: pointer;
  color: var(--ink-soft);
}

.filter-chip.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.portfolio-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.85fr);
  gap: 1rem;
  align-items: start;
}

.case-list {
  display: grid;
  gap: 0.85rem;
}

.case-card {
  width: 100%;
  text-align: left;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 250, 243, 0.85);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.case-card:hover,
.case-card:focus-visible,
.case-card.is-active {
  transform: translateY(-2px);
  border-color: rgba(184, 77, 23, 0.35);
  box-shadow: 0 18px 40px rgba(88, 56, 25, 0.12);
}

.case-card-top,
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.case-card-top {
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.case-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.case-card p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.case-context-pill,
.case-tags span {
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-muted);
  color: var(--accent-strong);
  font-size: 0.85rem;
  font-weight: 700;
}

.case-panel {
  position: sticky;
  top: 5.8rem;
  padding: 1.5rem;
}

.case-meta {
  display: grid;
  gap: 0.9rem;
  margin: 1.25rem 0;
}

.case-meta dt {
  margin-bottom: 0.2rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.case-meta dd {
  margin: 0;
  font-weight: 700;
}

.detail-block {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.detail-block h4 {
  margin-bottom: 0.65rem;
}

.detail-block ul {
  display: grid;
  gap: 0.65rem;
}

.detail-block li,
.compact-list li {
  color: var(--ink-soft);
  line-height: 1.6;
}

.compact-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 1rem;
  align-items: start;
}

.contact-mail {
  display: inline-block;
  margin-bottom: 0.8rem;
  font-size: 1.35rem;
  font-weight: 800;
}

@media (max-width: 960px) {
  .topbar,
  .section-heading-split,
  .contact-section,
  .hero,
  .portfolio-overview,
  .portfolio-layout,
  .profile-grid,
  .research-grid,
  .publication-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-heading-split {
    align-items: start;
  }

  .topbar {
    flex-direction: column;
  }

  .case-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 2rem), var(--max-width));
  }

  .hero-copy,
  .hero-panel,
  .info-card,
  .case-panel,
  .feature-card,
  .publication-card,
  .contact-card {
    padding: 1.2rem;
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    width: 100%;
    justify-content: center;
  }

  h1 {
    max-width: none;
  }
}