*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #F5F0E8;
  --bg-warm: #EDE5D6;
  --bg-card: #FDFAF5;
  --bg-dark: #2A1F14;
  --bg-dark-soft: #3C2D1E;
  --text-dark: #2A1F14;
  --text-body: #5C4D3A;
  --text-muted: #8C7A63;
  --accent: #4A7055;
  --accent-light: rgba(74, 112, 85, 0.1);
  --accent-warm: #C4A882;
  --sand: #D8CCBA;
  --terracotta: #4A7055;
  --terracotta-dark: #344F3C;
  --cream: #F5F0E8;
  --serif: "Playfair Display", Georgia, serif;
  --mono: "Space Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Outfit", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-dark);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
::selection { background: var(--terracotta); color: var(--cream); }
a { color: var(--terracotta); text-decoration: none; transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease); }
a:hover { color: var(--terracotta-dark); }
img { max-width: 100%; height: auto; display: block; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--terracotta); color: var(--cream); padding: 0.75rem 1rem; z-index: 1000; }
.skip-link:focus { left: 1rem; top: 1rem; }
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 3rem;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--sand);
}
.logo { font-family: var(--serif); font-size: 1.1rem; font-weight: 600; color: var(--text-dark); }
.nav-links { display: flex; gap: 1.4rem; list-style: none; align-items: center; }
.nav-links a, .lang-switch a {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
}
.nav-links a::after, .lang-switch a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--terracotta);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a.active, .lang-switch a:hover { color: var(--terracotta); }
.nav-links a:hover::after, .nav-links a.active::after, .lang-switch a:hover::after { width: 100%; }
.lang-switch { display: flex; gap: 0.5rem; align-items: center; color: var(--text-muted); font-family: var(--mono); font-size: 0.65rem; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: 0; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--text-dark); }
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  align-items: center;
  padding: 7rem 3rem 4rem;
  gap: 4rem;
  position: relative;
  overflow: hidden;
}
.hero-content { z-index: 2; }
.hero-eyebrow, .hero-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--terracotta);
  padding: 0.4rem 1rem;
  border: 1px solid var(--terracotta);
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(3.2rem, 8vw, 6.8rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--text-dark);
}
.hero-role {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terracotta);
}
.hero-subtitle {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--text-body);
  margin-top: 1.25rem;
  max-width: 620px;
  line-height: 1.8;
}
.availability { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.6rem; }
.availability span, .tag-pill {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-body);
  border: 1px solid var(--sand);
  border-radius: 100px;
  padding: 0.45rem 0.75rem;
  background: rgba(255, 255, 255, 0.35);
}
.availability .availability-intro {
  border-color: transparent;
  background: transparent;
  color: var(--terracotta);
  padding-left: 0;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.4rem; }
.btn-primary, .btn-outline {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 1rem 1.6rem;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-primary { background: var(--terracotta); color: var(--cream); }
.btn-primary:hover { background: var(--terracotta-dark); color: var(--cream); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--text-dark); border-color: var(--sand); }
.btn-outline:hover { border-color: var(--terracotta); color: var(--terracotta); transform: translateY(-2px); }
.hero-visual { position: relative; height: 75vh; max-height: 620px; }
.hero-img-main { width: 100%; height: 100%; border-radius: 6px; overflow: hidden; }
.hero-img-main img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; }
.hero-float-card {
  position: absolute;
  bottom: -20px;
  left: -30px;
  background: var(--bg-card);
  padding: 1.4rem 1.6rem;
  border-radius: 4px;
  box-shadow: 0 12px 40px rgba(42, 31, 20, 0.12);
  max-width: 280px;
}
.float-badge { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.6rem; }
.float-badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--terracotta); flex-shrink: 0; }
.float-badge-label { font-family: var(--mono); font-size: 0.55rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.float-card-text { font-size: 0.84rem; color: var(--text-body); line-height: 1.55; }
.float-card-text strong { color: var(--text-dark); font-weight: 500; }
.hero-deco { position: absolute; top: 10%; right: -5%; width: 400px; height: 400px; border-radius: 50%; border: 1px solid var(--sand); opacity: 0.5; animation: rotate 60s linear infinite; }
.hero-deco::after { content: ""; position: absolute; top: 15%; left: 15%; width: 70%; height: 70%; border-radius: 50%; border: 1px solid var(--sand); }
@keyframes rotate { to { transform: rotate(360deg); } }
.marquee-wrap { overflow: hidden; padding: 1.4rem 0; border-top: 1px solid var(--sand); border-bottom: 1px solid var(--sand); background: var(--bg-warm); }
.marquee { display: flex; gap: 2.6rem; animation: marquee 34s linear infinite; width: max-content; }
.marquee span { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); white-space: nowrap; }
.marquee .dot { color: var(--terracotta); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
main section { padding: 6.5rem 3rem; }
.section-header { display: flex; align-items: baseline; gap: 1.5rem; margin-bottom: 3.5rem; }
.section-number { font-family: var(--serif); font-size: 4rem; color: var(--sand); line-height: 1; }
.section-title { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); font-weight: 700; }
.section-line { flex: 1; height: 1px; background: var(--sand); }
.news-section { padding-top: 4rem; padding-bottom: 4rem; background: var(--bg-card); border-top: 1px solid var(--sand); border-bottom: 1px solid var(--sand); }
.news-list { max-width: 960px; display: grid; gap: 1rem; }
.news-item { display: grid; grid-template-columns: 115px 1fr; gap: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--sand); }
.news-date { font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--terracotta); }
.news-copy { color: var(--text-body); }
.about-grid { display: grid; grid-template-columns: 1fr 0.85fr; gap: 4rem; max-width: 1150px; }
.about-text-col p { font-size: 1.08rem; color: var(--text-body); line-height: 1.85; margin-bottom: 1.2rem; }
.about-text-col strong { color: var(--text-dark); font-weight: 500; }
.about-img-col { position: relative; }
.about-img { width: 100%; aspect-ratio: 4 / 5; border-radius: 5px; overflow: hidden; }
.about-img img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.about-accent-box { position: absolute; bottom: -20px; right: -20px; width: 230px; padding: 1.4rem; background: var(--terracotta); color: var(--cream); border-radius: 4px; z-index: 2; }
.about-accent-box .quote { font-family: var(--serif); font-style: italic; font-size: 0.88rem; line-height: 1.55; }
.stats-bar { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--sand); }
.stat-item { text-align: center; }
.stat-num { font-family: var(--serif); font-size: clamp(2.1rem, 4vw, 3rem); color: var(--terracotta); line-height: 1; }
.stat-label { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-top: 0.5rem; }
.exp-section, .leadership-section { background: var(--bg-dark); color: var(--cream); }
.exp-section .section-number, .leadership-section .section-number { color: var(--bg-dark-soft); }
.exp-section .section-title, .leadership-section .section-title { color: var(--accent-warm); }
.exp-section .section-line, .leadership-section .section-line { background: var(--bg-dark-soft); }
.exp-timeline { max-width: 940px; position: relative; }
.exp-timeline::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--bg-dark-soft); }
.exp-entry { padding-left: 3rem; padding-bottom: 3.5rem; position: relative; }
.exp-entry:last-child { padding-bottom: 0; }
.exp-entry::before { content: ""; position: absolute; left: -5px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg-dark); border: 2px solid var(--accent-warm); z-index: 2; }
.exp-entry-header { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 1rem; }
.exp-role { font-size: 1.28rem; font-weight: 500; color: var(--cream); }
.exp-date-loc { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.08em; color: var(--accent-warm); text-align: right; }
.exp-org { font-size: 0.95rem; color: var(--accent-warm); margin-top: 0.2rem; }
.exp-org a { color: var(--accent-warm); border-bottom: 1px solid transparent; }
.exp-org a:hover { color: var(--cream); border-bottom-color: var(--cream); }
.exp-bullets { margin-top: 1rem; list-style: none; }
.exp-bullets li { font-size: 0.9rem; color: rgba(245, 240, 232, 0.74); line-height: 1.7; margin-bottom: 0.6rem; padding-left: 1.2rem; position: relative; }
.exp-bullets li::before { content: ">"; font-family: var(--mono); position: absolute; left: 0; color: var(--terracotta); font-size: 0.8rem; }
.exp-photos { display: grid; grid-template-columns: minmax(280px, 520px); gap: 1rem; margin-top: 1.8rem; }
.exp-photo { width: 100%; aspect-ratio: 16 / 10; border-radius: 4px; overflow: hidden; border: 1px solid var(--bg-dark-soft); }
.exp-photo img { width: 100%; height: 100%; object-fit: cover; }
.pub-section, .projects-section, .contact-section { background: var(--bg-warm); }
.pub-grid { display: grid; gap: 1rem; max-width: 980px; }
.pub-card { display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 1.3rem; padding: 1.8rem; background: var(--bg-card); border: 1px solid var(--sand); border-radius: 5px; align-items: start; }
.pub-index { font-family: var(--serif); font-size: 2rem; color: var(--sand); line-height: 1; }
.pub-type-badge { display: inline-block; font-family: var(--mono); font-size: 0.55rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--terracotta); background: var(--accent-light); padding: 0.25rem 0.6rem; border-radius: 2px; margin-bottom: 0.5rem; }
.pub-title-text { font-size: 1rem; color: var(--text-dark); line-height: 1.5; font-weight: 500; }
.pub-title-text a { color: var(--text-dark); border-bottom: 1px dashed var(--sand); }
.pub-title-text a:hover { color: var(--terracotta); border-bottom-color: var(--terracotta); }
.pub-authors { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.35rem; }
.pub-authors strong { color: var(--text-body); font-weight: 500; }
.pub-links, .project-links { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.9rem; }
.pub-links a, .project-links a { font-family: var(--mono); font-size: 0.56rem; text-transform: uppercase; letter-spacing: 0.1em; border: 1px solid var(--sand); color: var(--text-muted); padding: 0.25rem 0.5rem; border-radius: 2px; }
.pub-links a:hover, .project-links a:hover { color: var(--terracotta); border-color: var(--terracotta); }
.pub-venue { font-family: var(--mono); font-size: 0.65rem; color: var(--text-muted); text-align: right; white-space: nowrap; }
.research-visuals { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2.5rem; max-width: 980px; }
.research-fig { border-radius: 5px; overflow: hidden; border: 1px solid var(--sand); background: white; }
.research-fig-caption { padding: 0.8rem 1rem; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; color: var(--text-muted); text-transform: uppercase; background: var(--bg-card); }
.skills-visual { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 1050px; }
.skill-card { padding: 2rem; background: var(--bg-card); border: 1px solid var(--sand); border-radius: 5px; }
.skill-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.skill-cat-name { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 1rem; }
.skill-list, .project-tech { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.skill-pill, .project-tech span { font-family: var(--mono); font-size: 0.64rem; padding: 0.3rem 0.65rem; background: var(--accent-light); color: var(--text-body); border-radius: 2px; }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; max-width: 1050px; }
.project-card { background: var(--bg-card); border: 1px solid var(--sand); border-radius: 5px; overflow: hidden; }
.project-card.featured { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; }
.project-img { height: 220px; overflow: hidden; background: var(--bg-warm); }
.project-card.featured .project-img { height: 100%; min-height: 300px; }
.project-img img { width: 100%; height: 100%; object-fit: cover; }
.project-body { padding: 1.8rem; }
.project-tag-label { font-family: var(--mono); font-size: 0.55rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--terracotta); margin-bottom: 0.6rem; }
.project-name { font-size: 1.1rem; font-weight: 500; color: var(--text-dark); margin-bottom: 0.5rem; }
.project-desc { font-size: 0.88rem; color: var(--text-body); line-height: 1.65; }
.edu-grid { display: grid; gap: 2rem; max-width: 850px; }
.edu-card { display: flex; justify-content: space-between; align-items: center; padding: 2rem; background: var(--bg-card); border: 1px solid var(--sand); border-radius: 5px; gap: 2rem; }
.edu-degree { font-size: 1.15rem; font-weight: 500; color: var(--text-dark); }
.edu-school { font-size: 0.95rem; color: var(--text-body); margin-top: 0.15rem; }
.edu-meta { font-family: var(--mono); font-size: 0.7rem; color: var(--text-muted); margin-top: 0.3rem; }
.edu-right { text-align: right; flex-shrink: 0; }
.edu-years { font-family: var(--mono); font-size: 0.7rem; color: var(--text-muted); }
.edu-loc { font-size: 0.8rem; color: var(--text-body); margin-top: 0.2rem; }
.lead-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 1050px; }
.lead-card { padding: 2rem; border: 1px solid var(--bg-dark-soft); border-radius: 5px; }
.lead-card-title { font-size: 1rem; font-weight: 500; color: var(--cream); }
.lead-card-org { font-size: 0.85rem; color: var(--accent-warm); margin-top: 0.2rem; }
.lead-card-desc { font-size: 0.85rem; color: rgba(245, 240, 232, 0.68); margin-top: 0.8rem; line-height: 1.6; }
.contact-section { text-align: center; padding: 8rem 3rem; }
.contact-headline { font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 400; color: var(--text-dark); line-height: 1.15; }
.contact-headline .italic { font-style: italic; color: var(--terracotta); }
.contact-sub { font-size: 1.05rem; color: var(--text-body); margin-top: 1rem; max-width: 620px; margin-inline: auto; }
.contact-btns { display: flex; gap: 1rem; justify-content: center; margin-top: 2.5rem; flex-wrap: wrap; }
.contact-pill { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.05em; padding: 0.85rem 1.4rem; border: 1px solid var(--sand); color: var(--text-body); border-radius: 100px; }
.contact-pill:hover { border-color: var(--terracotta); color: var(--terracotta); background: var(--accent-light); }
footer { padding: 2rem 3rem; border-top: 1px solid var(--sand); display: flex; justify-content: space-between; align-items: center; background: var(--bg); gap: 1rem; flex-wrap: wrap; }
footer span, footer a { font-family: var(--mono); font-size: 0.6rem; color: var(--text-muted); letter-spacing: 0.08em; }
.reveal { opacity: 0; transform: translateY(35px); transition: opacity 0.65s var(--ease), transform 0.65s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
@media (max-width: 1050px) {
  .stats-bar { grid-template-columns: repeat(3, 1fr); }
  .skills-visual, .lead-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.show { display: flex !important; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(245, 240, 232, 0.98); padding: 1.5rem; border-bottom: 1px solid var(--sand); gap: 1rem; align-items: flex-start; }
  .hero { grid-template-columns: 1fr; padding: 7rem 1.5rem 3rem; min-height: auto; }
  .hero-visual { height: 52vh; order: -1; max-height: 430px; }
  .hero-float-card { bottom: -12px; left: 10px; }
  main section { padding: 4rem 1.5rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .about-img-col { order: -1; }
  .about-accent-box { right: 10px; bottom: -10px; }
  .projects-grid, .research-visuals, .skills-visual, .lead-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-template-columns: 1fr; }
  .pub-card { grid-template-columns: 40px 1fr; }
  .pub-venue { grid-column: 1 / -1; text-align: left; }
  .edu-card { flex-direction: column; align-items: start; }
  .edu-right { text-align: left; }
  .exp-photos { grid-template-columns: minmax(0, 1fr); }
  .hero-deco { display: none; }
}
@media (max-width: 560px) {
  .hero h1 { font-size: 3rem; }
  .hero-cta, .contact-btns { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-outline, .contact-pill { text-align: center; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .news-item { grid-template-columns: 1fr; gap: 0.25rem; }
  footer { align-items: flex-start; flex-direction: column; }
}