:root {
  color-scheme: light;
  --bg: #f3efe8;
  --surface: #fffdfa;
  --surface-alt: #ece7df;
  --line: #d8cfc2;
  --text: #201c17;
  --muted: #655b50;
  --accent: #1f6b61;
  --accent-soft: #dcece9;
  --accent-warm: #a65835;
  --shadow: 0 24px 60px rgba(37, 31, 24, 0.08);
  --radius: 8px;
  --content-width: 960px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration-color: rgba(31, 107, 97, 0.4);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-color: currentColor;
}

p,
ul,
ol,
dl {
  margin: 0;
}

.container {
  width: min(100% - 2rem, var(--content-width));
  margin: 0 auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
}

.site-nav a,
.intro-tab {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
}

.site-nav a[aria-current="true"] {
  color: var(--text);
}

.intro-nav {
  justify-content: flex-start;
  align-items: center;
  padding-top: 0;
  margin-top: 0;
  padding-bottom: 10px;
}

.section-switcher {
  padding-top: 10px;
  padding-bottom: 0.05rem;
  background: transparent;
}

.section {
  padding: 2.75rem 0;
  scroll-margin-top: 5.5rem;
}

.tone-alt {
  background: rgba(255, 253, 250, 0.7);
}

.content-shell {
  padding-top: 0px;
}

.hero {
  padding-top: 3.5rem;
}

.hero-stack {
  display: grid;
  gap: 3rem;
}

.hero-intro {
  display: flex;
  align-items: center;
  gap: 3.4rem;
  width: min(100%, 46rem);
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
  align-items: start;
  width: min(100%, 46rem);
  margin: 0 auto;
}

.eyebrow {
  margin-bottom: 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(2.7rem, 7vw, 5.2rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  margin-bottom: 0.9rem;
}

h3 {
  font-size: 1.15rem;
}

.hero-copy {
  display: grid;
  gap: 1.35rem;
}

.intro-card {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.intro-card h1 {
  max-width: none;
  font-size: clamp(1.45rem, 2.5vw, 2rem);
}

.intro-role {
  font-size: 1rem;
  color: var(--text);
}

.intro-affiliation,
.intro-advisor {
  font-size: 1rem;
  color: var(--muted);
}

.intro-contact {
  font-family: "SFMono-Regular", SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding-top: 0.25rem;
}

.hero-copy p:not(.eyebrow),
.section-heading p,
.project-copy p,
.topic-card p,
.timeline-list p,
.news-list p,
.detail-list li,
.contact-list dd {
  color: var(--muted);
}

.signal-list,
.detail-list,
.topic-card ul,
.project-links,
.link-row,
.intro-links {
  list-style: none;
  padding: 0;
}

.signal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.signal-list li {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--line);
  background: rgba(255, 253, 250, 0.8);
  color: var(--text);
}

.link-row,
.intro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  padding-top: 0.25rem;
}

.link-row a,
.intro-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  text-decoration: none;
}

.intro-links a svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.intro-tab {
  padding: 0.15rem 0 0.28rem;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  font: inherit;
  font-size: 1.75rem;
  font-weight: 500;
  color: #000;
  cursor: pointer;
  box-shadow: none;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.intro-tab:hover {
  border-color: rgba(0, 0, 0, 0.42);
  color: #000;
}

.intro-tab.is-active {
  border-color: #000;
  color: #000;
  font-weight: 600;
}

.hero-aside {
  display: grid;
  gap: 1.5rem;
}

.portrait-block,
.intro-photo-block {
  margin: 0;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.intro-photo-block {
  width: min(100%, 18.5rem);
  flex-shrink: 0;
  border-radius: var(--radius);
}

.intro-photo-block img {
  width: 100%;
  height: auto;
}

.intro-photo-block figcaption {
  padding: 0.7rem 0.9rem 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-warm);
  text-align: center;
}

.portrait-block {
  border-radius: var(--radius);
}

.portrait-block img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.timeline-block,
.topic-card,
.highlight-block,
.contact-block {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.highlight-block,
.contact-block {
  padding: 1.4rem;
}

.timeline-block {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.timeline-block h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.timeline-list {
  display: grid;
  gap: 1rem;
  padding: 0;
  list-style: none;
}

.timeline-list li {
  display: grid;
  gap: 0.3rem;
}

.timeline-years {
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-warm);
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.topic-grid,
.highlight-grid,
.contact-grid {
  display: grid;
  gap: 1.25rem;
}

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

.topic-card {
  padding: 1.5rem;
  display: grid;
  gap: 0.9rem;
}

.topic-index {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-warm);
}

.topic-card ul {
  display: grid;
  gap: 0.55rem;
}

.topic-card li {
  color: var(--text);
}

.news-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.news-list li {
  display: grid;
  grid-template-columns: minmax(8.25rem, 9rem) minmax(0, 1fr);
  gap: 0.65rem;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius);
}

.news-list li:first-child {
  padding-top: 0.55rem;
}

.news-list li:nth-child(odd) {
  background: rgba(255, 253, 250, 0.72);
}

.news-list li:nth-child(even) {
  background: rgba(236, 231, 223, 0.72);
}

.news-date {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-warm);
}

.news-list a {
  color: var(--accent);
}

.news-list a:hover {
  color: var(--accent-warm);
}

.section-note {
  margin-bottom: 0.9rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.content-panel[hidden] {
  display: none !important;
}

.project-list {
  display: grid;
  gap: 1.25rem;
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.35rem;
  padding: 0.55rem;
  border: 1px solid rgba(216, 207, 194, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 253, 250, 0.7);
}

.project-filter {
  padding: 0.48rem 0.85rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.project-filter:hover {
  border-color: rgba(31, 107, 97, 0.18);
  background: rgba(255, 253, 250, 0.9);
  color: var(--text);
}

.project-filter:focus-visible {
  outline: 2px solid rgba(31, 107, 97, 0.2);
  outline-offset: 2px;
}

.project-filter.is-active {
  border-color: rgba(31, 107, 97, 0.16);
  background: var(--surface);
  color: var(--accent);
  box-shadow: 0 1px 2px rgba(37, 31, 24, 0.04);
}

.project-card {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 1rem 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
}

.project-card:first-child {
  border-top: 0;
  padding-top: 0;
}

.project-card.is-hidden {
  display: none;
}

.project-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  aspect-ratio: 16 / 10;
  padding: 0.85rem;
  text-decoration: none;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.project-media video,
.project-media iframe {
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: contain;
  background: transparent;
}

.project-media-label {
  display: none;
}

.project-main {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

.project-copy {
  display: grid;
  gap: 0.45rem;
}

.project-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-tag {
  padding: 0.18rem 0.55rem;
  border: 1px solid rgba(31, 107, 97, 0.18);
  border-radius: 999px;
  background: rgba(31, 107, 97, 0.08);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.project-meta {
  color: var(--text);
  font-weight: 600;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-links a,
.badge {
  padding: 0.32rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.badge {
  display: inline-block;
  margin-left: 0.45rem;
  font-size: 0.82rem;
  vertical-align: middle;
}

.badge.accent {
  border-color: transparent;
  background: var(--accent-soft);
  color: var(--accent);
}

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

.highlight-block h3,
.contact-block h3 {
  margin-bottom: 1rem;
}

.detail-list {
  display: grid;
  gap: 0.85rem;
  padding-left: 1.15rem;
}

.contact-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.contact-grid-single {
  grid-template-columns: minmax(0, 1fr);
  max-width: 42rem;
}

.contact-list {
  display: grid;
  gap: 1rem;
}

.contact-list div {
  display: grid;
  gap: 0.22rem;
}

.contact-list dt {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent-warm);
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-map {
  padding-top: 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.clustrmaps-block {
  min-height: 138px;
  max-width: 220px;
  margin-bottom: 0.5rem;
}

@media (max-width: 980px) {
  .hero-intro,
  .hero-grid,
  .topic-grid,
  .highlight-grid,
  .contact-grid,
  .project-card,
  .news-list li {
    grid-template-columns: 1fr;
  }

  .hero-intro {
    display: grid;
    justify-items: start;
    gap: 1.5rem;
  }

  .project-links {
    gap: 0.6rem;
  }

  .news-list li {
    gap: 0.45rem;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 2.25rem 0;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .container {
    width: min(100% - 1.25rem, var(--content-width));
  }

  h1 {
    max-width: none;
  }

  h2 {
    font-size: 1.2rem;
  }

  .hero-intro {
    justify-items: stretch;
  }

  .intro-photo-block {
    width: 100%;
  }

  .signal-list li,
  .project-links a,
  .badge,
  .intro-links a {
    white-space: normal;
  }

  .intro-tab {
    width: 100%;
    justify-content: flex-start;
    text-align: left;
    font-size: 1.08rem;
  }

  .project-filter {
    width: 100%;
    text-align: left;
  }
}