:root {
  --bg: #ffffff;
  --text: #171717;
  --muted: #66645f;
  --line: #e5e2db;
  --accent: #9b6a12;
  --accent-soft: #f6f0e3;
  --card: #faf9f6;
  --dark: #1f1f1d;
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, video { max-width: 100%; display: block; }
code { background: var(--card); padding: .12rem .32rem; border: 1px solid var(--line); border-radius: 4px; }

.container { width: min(92%, var(--max-width)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { font-size: 1.05rem; font-weight: 760; color: var(--text); letter-spacing: -.01em; }
.nav-links { display: flex; flex-wrap: wrap; gap: 24px; }
.nav-links a { color: var(--muted); font-size: .95rem; }
.nav-links a.active, .nav-links a:hover { color: var(--text); text-decoration: none; }

.hero {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 58px;
  align-items: center;
  padding: 84px 0 62px;
}
.profile-photo {
  width: 250px;
  height: 250px;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--card);
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.45rem, 6vw, 4.7rem); line-height: 1.02; letter-spacing: -.045em; margin: 0 0 16px; }
h2 { font-size: clamp(1.55rem, 3vw, 2rem); line-height: 1.2; letter-spacing: -.025em; margin: 0 0 18px; }
h3 { line-height: 1.3; letter-spacing: -.012em; margin: 0 0 8px; }
p { margin-top: 0; }
.subtitle { color: var(--muted); font-size: 1.08rem; margin: 0 0 20px; }
.subtitle.wide { max-width: 780px; }
.lead { max-width: 760px; font-size: 1.11rem; }
.muted-name { color: #8f8c84; font-weight: 520; }
.quick-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: white;
  font-size: .94rem;
  font-weight: 610;
}
.button:hover { text-decoration: none; border-color: #c7c2b9; }
.button.primary { background: var(--dark); color: white; border-color: var(--dark); }

section { padding: 48px 0; }
.section-divider { border-top: 1px solid var(--line); }
.two-col { display: grid; grid-template-columns: 220px 1fr; gap: 54px; }
.two-col p:last-child { margin-bottom: 0; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.card p { margin-bottom: 0; color: var(--muted); font-size: .95rem; }
.card-kicker { display: inline-block; margin-bottom: 18px; color: var(--accent); font-size: .78rem; font-weight: 800; }
.section-heading-row { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.timeline-date { color: var(--muted); font-size: .9rem; font-weight: 650; }
.contact-strip { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.contact-strip h2 { max-width: 660px; margin-bottom: 0; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; }

.page-header { padding: 74px 0 36px; }
.page-header h1 { font-size: clamp(2.4rem, 5vw, 4rem); max-width: 900px; }
.research-project {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  gap: 58px;
  align-items: start;
  padding: 58px 0;
}
.research-project.reverse .research-copy { order: 2; }
.research-project.reverse .research-visual { order: 1; }
.project-number { color: var(--accent); font-weight: 800; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; }
.detail-list { padding-left: 1.2rem; color: var(--muted); }
.detail-list li { margin: 7px 0; }
.research-visual img, .research-visual video, .feature-card img, .video-panel video {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
}
.research-media-stack { display: grid; gap: 14px; }
.image-note { margin: 8px 2px 0; color: var(--muted); font-size: .84rem; }
.link-row { margin-top: 24px; font-weight: 650; }
.text-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.text-panel h3 { margin-bottom: 12px; }
.text-panel p:last-child, .text-panel ul:last-child { margin-bottom: 0; }
.list-tight { margin: 0; padding-left: 1.15rem; color: var(--muted); }
.list-tight li { margin: 6px 0; }
.small-note { font-size: .88rem; color: var(--muted); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.feature-card img { aspect-ratio: 16 / 10; object-fit: cover; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; }
.feature-card .feature-body { padding: 18px 20px 20px; }
.feature-card .feature-tag {
  display: inline-block;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.feature-card p { margin-bottom: 0; color: var(--muted); }
.feature-card.text-only .feature-body { padding-top: 22px; }

.video-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(250px, .75fr);
  gap: 22px;
  align-items: start;
}
.video-panel .text-panel { height: 100%; }
.inline-links { display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: .94rem; margin-top: 14px; }

.pub-section { padding: 42px 0; }
.publication {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.publication:last-child { border-bottom: 0; }
.publication h3 { font-size: 1.17rem; }
.publication p { margin-bottom: 5px; }
.pub-year { color: var(--muted); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; padding-top: 3px; }
.publication.featured { background: var(--accent-soft); margin: 0 -18px; padding: 24px 18px; border-radius: 12px; border-bottom: 0; }
.meta { color: var(--muted); font-size: .93rem; }
.award-note { color: #7a5109; font-weight: 760; }
.pub-links { font-size: .92rem; }
.pub-links span { color: #aaa69d; margin: 0 6px; }
.note-box { background: var(--card); padding: 24px; border: 1px solid var(--line); border-radius: 12px; margin-top: 20px; }
.note-box p:last-child { margin-bottom: 0; }

.cv-header { display: flex; justify-content: space-between; gap: 40px; align-items: flex-end; }
.cv-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: flex-end; padding-bottom: 6px; }
.cv-section { display: grid; grid-template-columns: 140px 1fr; gap: 50px; }
.cv-label { color: var(--accent); font-size: .78rem; text-transform: uppercase; font-weight: 800; letter-spacing: .1em; padding-top: 5px; }
.cv-entry { display: grid; grid-template-columns: 1fr auto; gap: 26px; padding: 10px 0 20px; }
.cv-entry + .cv-entry { border-top: 1px solid var(--line); padding-top: 20px; }
.cv-entry.stacked { grid-template-columns: 1fr; }
.cv-entry p:last-child { margin-bottom: 0; }
.cv-date { color: var(--muted); white-space: nowrap; font-size: .92rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 9px; }
.tag-list span { padding: 6px 10px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: .88rem; }

footer { margin-top: 56px; border-top: 1px solid var(--line); padding: 28px 0 38px; color: var(--muted); font-size: .88rem; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 950px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .research-project, .video-panel { gap: 36px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav { align-items: flex-start; padding: 15px 0; flex-direction: column; gap: 10px; }
  .nav-links { gap: 17px; }
  .hero { grid-template-columns: 1fr; gap: 30px; padding-top: 50px; }
  .profile-photo { width: 190px; height: 190px; }
  .two-col, .cv-section { grid-template-columns: 1fr; gap: 14px; }
  .grid, .grid-4, .feature-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 3px; }
  .contact-strip, .cv-header { align-items: flex-start; flex-direction: column; }
  .contact-actions, .cv-actions { justify-content: flex-start; }
  .research-project, .research-project.reverse, .video-panel { grid-template-columns: 1fr; }
  .research-project.reverse .research-copy, .research-project.reverse .research-visual { order: initial; }
  .publication { grid-template-columns: 1fr; gap: 6px; }
  .cv-entry { grid-template-columns: 1fr; gap: 2px; }
  .footer-row { flex-direction: column; gap: 4px; }
}

/* Company / internship branding */
.company-card .company-logo-wrap,
.company-project-panel .company-logo-wrap {
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.company-logo-wrap .company-logo {
  width: min(84%, 320px);
  height: auto;
  border: 0;
  border-radius: 0;
  object-fit: contain;
  background: transparent;
}
.company-project-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
}
.company-project-panel .research-company-logo {
  border-bottom: 1px solid var(--line);
}
.company-project-panel .company-copy-panel {
  border: 0;
  border-radius: 0;
}
.cv-heading-with-logo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 2px;
}
.cv-heading-with-logo h2 { margin-bottom: 0; }
.cv-company-logo {
  width: 155px;
  height: auto;
  object-fit: contain;
}

@media (max-width: 720px) {
  .cv-heading-with-logo { align-items: flex-start; flex-direction: column; }
  .cv-company-logo { width: 135px; }
}

/* Experience page / company cards */
.experience-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.experience-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.experience-logo-box {
  min-height: 132px;
  padding: 28px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}
.experience-logo-box img {
  width: min(86%, 250px);
  max-height: 68px;
  object-fit: contain;
}
.experience-card-body { padding: 20px; }
.experience-card-body p { color: var(--muted); margin-bottom: 0; }
.experience-card .feature-tag,
.experience-detail .feature-tag {
  display: inline-block;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.experience-detail {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 44px;
  align-items: start;
  padding: 48px 0;
}
.experience-company-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  min-height: 170px;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.experience-company-panel img {
  width: 100%;
  max-height: 78px;
  object-fit: contain;
}
.experience-content h2 { margin-bottom: 6px; }
.experience-role { font-size: 1.05rem; font-weight: 680; margin-bottom: 3px; }
.experience-meta { color: var(--muted); font-size: .92rem; margin-bottom: 18px; }
.experience-bullets { padding-left: 1.2rem; margin: 0 0 18px; }
.experience-bullets li { margin: 8px 0; }
.experience-source-note {
  color: var(--muted);
  font-size: .84rem;
  border-left: 3px solid var(--line);
  padding-left: 12px;
}
.company-links { display: flex; flex-wrap: wrap; gap: 10px 16px; font-size: .92rem; margin-top: 16px; }

.cv-logo-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 22px;
  align-items: start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.cv-logo-row:last-child { border-bottom: 0; }
.cv-logo-box {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.cv-logo-box img { max-width: 100%; max-height: 48px; object-fit: contain; }
.cv-logo-row h3 { margin-top: 2px; }
.cv-logo-row .cv-date { padding-top: 2px; }

@media (max-width: 900px) {
  .experience-card-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .experience-detail { grid-template-columns: 1fr; gap: 20px; }
  .experience-company-panel { min-height: 120px; }
  .cv-logo-row { grid-template-columns: 90px 1fr; }
  .cv-logo-row .cv-date { grid-column: 2; }
}

.youtube-video {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.youtube-video iframe {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 14px;
}