:root {
  --bg: #f6f1e7;
  --bg-soft: #fbf8f2;
  --surface: rgba(255, 252, 247, 0.88);
  --surface-strong: #fffdf9;
  --line: rgba(18, 60, 60, 0.12);
  --ink: #143a3b;
  --ink-soft: #4a6363;
  --accent: #b85d2f;
  --shadow: 0 20px 50px rgba(43, 36, 28, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(184, 93, 47, 0.12), transparent 30%),
    radial-gradient(circle at 90% 12%, rgba(20, 58, 59, 0.08), transparent 24%),
    linear-gradient(180deg, #fbf8f2 0%, #f6f1e7 100%);
  line-height: 1.65;
}

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

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

.page-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

.page-main,
.cv-layout {
  display: grid;
  gap: 1.3rem;
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 251, 246, 0.84);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(43, 36, 28, 0.06);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.site-nav a {
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  color: var(--ink-soft);
  transition: background-color 160ms ease, color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(20, 58, 59, 0.08);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.75fr);
  gap: 1.5rem;
  align-items: center;
}

.hero-copy,
.portrait-card,
.research-card,
.detail-card,
.publication-panel,
.site-footer,
.cv-card,
.pdf-frame {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-copy,
.cv-card {
  padding: clamp(1.5rem, 3vw, 2.8rem);
  border-radius: var(--radius-xl);
}

.eyebrow,
.research-topline,
.project-topline {
  margin: 0 0 0.55rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
.section-intro h1,
.section-intro h2,
.research-card h3,
.detail-card h2,
.cv-card h1,
.publication-panel h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", Times, serif;
  line-height: 1.03;
  letter-spacing: -0.03em;
}

.hero h1,
.cv-card h1,
.page-title {
  font-size: clamp(2.8rem, 5vw, 5rem);
}

.hero-text,
.section-intro p,
.profile-links,
.research-copy p,
.detail-copy,
.detail-paper,
.publication-list p,
.cv-copy,
.site-footer {
  color: var(--ink-soft);
}

.hero-text {
  max-width: 60ch;
  margin: 1rem 0 0;
  font-size: 1.05rem;
}

.hero-actions,
.project-actions,
.cv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-actions {
  margin-top: 1.4rem;
}

.button,
.project-actions a,
.cv-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.button:hover,
.button:focus-visible,
.project-actions a:hover,
.project-actions a:focus-visible,
.cv-actions a:hover,
.cv-actions a:focus-visible,
.text-link:hover,
.text-link:focus-visible,
.publication-list a:hover,
.publication-list a:focus-visible {
  color: var(--ink);
}

.button:hover,
.button:focus-visible,
.project-actions a:hover,
.project-actions a:focus-visible,
.cv-actions a:hover,
.cv-actions a:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #fffaf4;
  background: linear-gradient(135deg, #143a3b 0%, #28615d 100%);
  box-shadow: 0 14px 26px rgba(20, 58, 59, 0.18);
}

.button-secondary,
.project-actions a,
.cv-actions a {
  background: rgba(255, 252, 247, 0.94);
  border-color: var(--line);
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-top: 1.4rem;
}

.profile-links p {
  margin: 0;
}

.profile-links strong {
  display: inline-block;
  margin-right: 0.45rem;
  color: var(--ink);
}

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

.portrait-card {
  width: min(100%, 360px);
  padding: 0.75rem;
  border-radius: calc(var(--radius-xl) + 4px);
}

.portrait-card img {
  width: 100%;
  aspect-ratio: 469 / 551;
  object-fit: contain;
  border-radius: calc(var(--radius-xl) - 4px);
  background: #f5efe5;
}

.section-intro {
  margin-bottom: 0.2rem;
}

.section-intro h2 {
  font-size: clamp(2rem, 3.6vw, 3.4rem);
}

.section-intro p {
  max-width: 62ch;
  margin: 0.8rem 0 0;
}

.zoomable-media {
  cursor: zoom-in;
}

.research-stack,
.detail-stack {
  display: grid;
  gap: 1.25rem;
}

.research-card,
.detail-card,
.publication-panel {
  padding: 1rem;
  border-radius: var(--radius-lg);
}

.research-copy h3 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  margin-top: 0.35rem;
}

.research-copy p:last-of-type {
  margin: 0.35rem 0 0;
}

.text-link {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}

.media-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 320px);
  gap: 0.9rem;
  margin-top: 1rem;
  padding-bottom: 0.25rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.media-strip img,
.media-strip video {
  width: 100%;
  height: 220px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: #e9e2d8;
}

.detail-header {
  margin-bottom: 0.6rem;
}

.detail-card h2 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin-top: 0.25rem;
}

.detail-paper {
  margin: 0.55rem 0 0;
  font-size: 0.97rem;
}

.detail-copy {
  margin: 0.75rem 0 0;
  max-width: 70ch;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
}

.gallery-grid img,
.gallery-grid video {
  width: 100%;
  min-height: 240px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: #e9e2d8;
}

.project-actions {
  margin-top: 1rem;
}

.publication-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.publication-panel h2 {
  font-size: 1.6rem;
}

.publication-list {
  display: grid;
  gap: 1rem;
  padding: 0;
  margin: 1.1rem 0 0;
  list-style: none;
}

.publication-list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0.9rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(20, 58, 59, 0.08);
}

.publication-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.pub-year {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.92rem;
}

.publication-list a {
  font-weight: 700;
  line-height: 1.5;
}

.publication-list p {
  margin: 0.28rem 0 0;
  font-size: 0.94rem;
}

.cv-copy {
  margin-top: 0.9rem;
  max-width: 60ch;
}

.pdf-frame {
  padding: 0.85rem;
  border-radius: var(--radius-xl);
}

.pdf-frame iframe {
  width: 100%;
  height: 78vh;
  border: 0;
  border-radius: calc(var(--radius-xl) - 8px);
  background: #f1ece3;
}

.site-footer {
  margin-top: 3rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  text-align: center;
}

.media-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: rgba(10, 16, 20, 0.86);
}

.media-lightbox.is-open {
  display: flex;
}

.media-lightbox-content {
  position: relative;
  width: min(92vw, 1400px);
  max-height: 92vh;
  padding: 0.75rem;
  border-radius: var(--radius-lg);
  background: rgba(20, 24, 26, 0.94);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.media-lightbox-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: 1.15rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  cursor: pointer;
}

.media-lightbox-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(78vh, 900px);
}

.media-lightbox-stage img,
.media-lightbox-stage video {
  width: 100%;
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 12px;
  background: #11171a;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero,
  .publication-layout,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--max-width));
    padding-top: 0.5rem;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    border-radius: 24px;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav a {
    flex: 1 1 auto;
    text-align: center;
  }

  .profile-links {
    display: grid;
  }

  .media-strip {
    grid-auto-columns: minmax(240px, 280px);
  }

  .publication-list li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .pdf-frame iframe {
    height: 65vh;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}