:root {
  --bg: #faf9f5;
  --bg-warm: #f0eee6;
  --surface: #ffffff;
  --ink: #181818;
  --ink-soft: #2d2d2a;
  --muted: #6b6a63;
  --line: #e6e3d8;
  --line-strong: #d6d2c2;
  --accent: #cc785c;
  --accent-dark: #b15c40;
  --accent-soft: #f3e3da;
  --max: 1180px;
  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: -0.005em;
}

a {
  color: inherit;
}

::selection {
  background: var(--accent);
  color: white;
}

/* Site header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(250, 249, 245, 0.85);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.05rem 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
}

.brand-mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.5);
}

.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.nav-links a {
  position: relative;
  text-decoration: none;
  transition: color 160ms ease;
}

.nav-links a:hover {
  color: var(--accent-dark);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

/* Layout */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 7rem 2rem;
  border-bottom: 1px solid var(--line);
}

.section:last-of-type {
  border-bottom: none;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 3.5rem;
  text-align: left;
}

.section-heading h2 {
  margin: 0;
}

.section-heading .muted {
  margin-top: 1.25rem;
  max-width: 620px;
}

/* Typography */

h1,
h2,
h3 {
  font-family: "Source Serif 4", "Source Serif Pro", "Iowan Old Style", "Apple Garamond", Georgia, "Times New Roman", serif;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 6.4vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 400;
}

h1 em {
  font-style: italic;
  color: var(--accent-dark);
  font-weight: 400;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  line-height: 1.1;
}

h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.35;
  font-weight: 500;
}

.subtitle {
  margin: 1.75rem 0 0;
  max-width: 620px;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 1.45vw, 1.25rem);
  line-height: 1.55;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(204, 120, 92, 0.18);
}

.muted {
  color: var(--muted);
  font-size: 0.98rem;
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.85fr);
  gap: 4rem;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 8rem;
  border-bottom: 1px solid var(--line);
}

.hero-content {
  max-width: 760px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.96rem;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}

.button.primary {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bg);
}

.button.primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.button .arrow {
  transition: transform 200ms ease;
}

.button:hover .arrow {
  transform: translateX(3px);
}

/* Profile card (hero side) */

.profile-card {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(24, 24, 24, 0.02), 0 30px 60px -30px rgba(24, 24, 24, 0.18);
}

.avatar {
  display: grid;
  width: 84px;
  height: 84px;
  margin-bottom: 1.5rem;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(140deg, var(--accent) 0%, #e09f86 100%);
  color: white;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.9rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  box-shadow: inset 0 -10px 24px rgba(0, 0, 0, 0.12);
}

.profile-name {
  margin: 0;
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.profile-meta {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--bg-warm);
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.005em;
}

/* About */

.two-column {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: 4rem;
  align-items: start;
}

.two-column > div:first-child .eyebrow {
  margin-bottom: 1rem;
}

.content-card {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.content-card p {
  margin: 0 0 1.25rem;
}

.content-card p:last-child {
  margin-bottom: 0;
}

/* Experience timeline */

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 2rem;
  align-items: baseline;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 160ms ease;
}

.timeline-item:hover {
  background: rgba(240, 238, 230, 0.4);
}

.timeline-date {
  margin: 0;
  color: var(--accent-dark);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 0.98rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.005em;
}

.timeline-org {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.015em;
}

.timeline-role {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Research */

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.research-card {
  position: relative;
  padding: 1.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.research-card::before {
  content: "";
  position: absolute;
  top: 1.85rem;
  left: 1.85rem;
  width: 28px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
}

.research-card h3 {
  margin: 1.6rem 0 0.6rem;
}

.research-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.55;
}

.research-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 40px -28px rgba(24, 24, 24, 0.18);
}

/* Publications */

.publication-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.publication {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 160ms ease;
}

.publication::before {
  content: counter(pub, decimal-leading-zero);
  counter-increment: pub;
  align-self: start;
  color: var(--accent-dark);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.publication-list {
  counter-reset: pub;
}

.publication-body h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--ink);
}

.publication-body .authors {
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

.publication-body .venue {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-style: italic;
}

/* The HTML uses .authors/.venue directly inside .publication; keep them styled the same */

.publication > h3 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--ink);
  grid-column: 2;
}

.publication > .authors {
  grid-column: 2;
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
  font-size: 0.97rem;
}

.publication > .venue {
  grid-column: 2;
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-style: italic;
}

.publication:hover {
  background: rgba(240, 238, 230, 0.5);
}

/* Contact */

.contact-section {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 4rem;
  align-items: start;
}

.contact-section h2 {
  margin-top: 0;
}

.contact-section p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.6;
}

.contact-card {
  display: grid;
  gap: 0.6rem;
}

.contact-card a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease, color 160ms ease;
}

.contact-card a::after {
  content: "→";
  color: var(--muted);
  transition: transform 200ms ease, color 160ms ease;
}

.contact-card a:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.contact-card a:hover::after {
  color: var(--accent);
  transform: translateX(3px);
}

/* Footer */

.footer {
  padding: 3rem 2rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  background: var(--bg-warm);
}

/* Responsive */

@media (max-width: 960px) {
  .nav {
    padding: 1rem 1.5rem;
  }

  .section {
    padding: 5rem 1.5rem;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-bottom: 5rem;
  }

  .two-column,
  .contact-section {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 16px;
  }

  .nav-links {
    gap: 1.1rem;
    font-size: 0.9rem;
  }

  .section {
    padding: 4rem 1.25rem;
  }

  .section-heading {
    margin-bottom: 2.25rem;
  }

  .publication {
    grid-template-columns: 36px 1fr;
    gap: 1rem;
  }
}