:root {
  --background: #ffffff;
  --text: #222222;
  --muted: #666666;
  --line: #dddddd;
  --blue: #1f4e79;
  --blue-dark: #153a5c;
  --soft-blue: #eef5fb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.65;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.nav {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.nav a {
  color: var(--blue);
  text-decoration: none;
}

.nav a:hover {
  text-decoration: underline;
}

.hero {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--line);
}

h1 {
  font-size: clamp(2.4rem, 4.85vw, 4.5rem);
  line-height: 1.05;
  margin: 0 0 1rem;
  letter-spacing: -0.05em;
}

.subtitle {
  font-size: 1.35rem;
  color: var(--blue);
  margin: 0 0 0.7rem;
}

.affiliation {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

.hero-text {
  max-width: 760px;
  font-size: 1.05rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.links a,
.button {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--blue);
  border-radius: 999px;
  color: var(--blue);
  text-decoration: none;
  font-size: 0.95rem;
}

.links a:hover,
.button:hover {
  background: var(--blue);
  color: white;
}

.section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
}

.page-content h1,
.section h2 {
  color: var(--blue);
}

.page-content h1 {
  font-size: 2.1rem;
  margin-top: 0;
}

.section h2 {
  font-size: 1.65rem;
  margin: 0 0 1rem;
}

.section h3,
.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.section p,
.page-content p {
  max-width: 760px;
}

.clean-list,
.publication-list {
  padding-left: 1.25rem;
}

.clean-list li,
.publication-list li {
  margin-bottom: 0.5rem;
}

.card {
  background: var(--soft-blue);
  border-left: 4px solid var(--blue);
  padding: 1rem 1.2rem;
  border-radius: 0.4rem;
  margin: 1.2rem 0;
}

.card h3 {
  margin-top: 0;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

a {
  color: var(--blue);
}

a:hover {
  color: var(--blue-dark);
}

code {
  background: #f3f3f3;
  padding: 0.1rem 0.25rem;
  border-radius: 0.25rem;
}

.footer {
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 650px) {
  .nav {
    justify-content: flex-start;
  }

  .page {
    padding: 0 1rem;
  }

  .hero {
    padding: 3rem 0 2rem;
  }

  .section {
    padding: 2rem 0;
  }
}

.figure {
  margin: 2rem 0;
}

.figure img {
  max-width: 100%;
  height: auto;
  border-radius: 0.4rem;
  border: 1px solid var(--line);
  display: block;
}

.figure figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}


.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 2.5rem;
  align-items: center;
}

.hero-photo-wrap {
  display: flex;
  justify-content: center;
}

.hero-photo {
  width: 210px;
  height: 210px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--line);
}

@media (max-width: 750px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-photo-wrap {
    justify-content: flex-start;
  }

  .hero-photo {
    width: 170px;
    height: 170px;
  }
}

.video-figure {
  margin: 2rem auto;
  max-width: 640px;
}

.video-figure video {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.5rem;
  border: 1px solid var(--line);
  background: #000;
}

.video-figure figcaption {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.video-small {
  max-width: 560px;
}

@media (max-width: 650px) {
  .video-figure,
  .video-small {
    max-width: 100%;
    margin: 1.5rem 0;
  }

  .video-figure figcaption {
    font-size: 0.85rem;
  }
}









.visual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.3rem;
  margin-top: 1.5rem;
}

.visual-card {
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.visual-card img,
.visual-card video {
  width: 100%;
  height: 190px;
  object-fit: cover;
  display: block;
  background: #000;
  border-bottom: 1px solid var(--line);
}

.visual-card-body {
  padding: 1rem;
}

.visual-card-body h3 {
  margin: 0 0 0.4rem;
  color: var(--blue);
}

.visual-card-body p {
  font-size: 0.94rem;
  margin: 0.4rem 0;
}

@media (max-width: 650px) {
  .visual-grid {
    grid-template-columns: 1fr;
  }

  .visual-card img,
  .visual-card video {
    height: auto;
    max-height: 260px;
    object-fit: contain;
  }
}