:root {
  --paper: #f7f3e9;
  --paper-deep: #eee7d8;
  --card: rgba(255, 253, 247, 0.82);
  --ink: #1d201b;
  --ink-soft: #5d6258;
  --ink-faint: #8d9187;
  --text-muted: #8d9187;
  --accent: #8f3f32;
  --accent-soft: rgba(143, 63, 50, 0.1);
  --olive: #596251;
  --line: rgba(29, 32, 27, 0.14);
  --border: rgba(29, 32, 27, 0.14);
  --dot: rgba(63, 67, 57, 0.13);
  --shadow: 0 18px 50px rgba(52, 46, 34, 0.08);
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --serif: var(--sans);
  --mono: var(--sans);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(circle, var(--dot) 1px, transparent 1.15px);
  background-size: 24px 24px;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(247, 243, 233, 0.25), rgba(247, 243, 233, 0.84) 86%);
}

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

svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 18px 28px 0;
}

.nav-shell {
  width: min(1120px, 100%);
  min-height: 66px;
  margin: 0 auto;
  padding: 9px 12px 9px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(250, 247, 239, 0.86);
  border: 1px solid rgba(29, 32, 27, 0.1);
  border-radius: 18px;
  box-shadow: 0 10px 32px rgba(52, 46, 34, 0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: stretch;
  gap: 4px;
}

.nav-link {
  min-width: 82px;
  padding: 7px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border-radius: 11px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.nav-link svg {
  width: 19px;
  height: 19px;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active {
  color: var(--accent);
  background: var(--accent-soft);
}

.nav-link:hover {
  transform: translateY(-1px);
}

main,
footer {
  width: min(1120px, calc(100% - 56px));
  margin-inline: auto;
}

.hero {
  min-height: 720px;
  padding: 104px 0 90px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(290px, 0.65fr);
  align-items: center;
  gap: clamp(48px, 8vw, 110px);
}

.eyebrow,
.section-kicker,
.meta-label,
.institution {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.eyebrow {
  margin: 0 0 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
}

.eyebrow span {
  width: 28px;
  height: 1px;
  background: currentColor;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(62px, 8vw, 104px);
  font-weight: 300;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.role {
  margin: 38px 0 0;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.intro {
  max-width: 610px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(20px, 2.2vw, 27px);
  line-height: 1.55;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 48px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button-secondary {
  background: rgba(255, 253, 247, 0.5);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(42, 38, 30, 0.11);
}

.profile-card {
  position: relative;
  padding: 14px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.profile-card::after {
  content: "";
  position: absolute;
  width: 130px;
  height: 130px;
  right: -56px;
  top: -55px;
  border: 1px solid rgba(143, 63, 50, 0.2);
  border-radius: 50%;
}

.portrait-wrap {
  aspect-ratio: 4 / 4.3;
  overflow: hidden;
  border-radius: 21px;
  background: var(--paper-deep);
}

.portrait {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 25%;
  transform: scale(1.28);
}

.profile-meta {
  padding: 18px 4px 14px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.profile-meta div + div {
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.meta-label {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-faint);
  font-size: 8px;
}

.profile-meta strong {
  font-size: 12px;
}

.affiliation {
  margin: 0;
  padding: 14px 4px 5px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 11px;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  position: relative;
  min-height: 330px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(52, 46, 34, 0.035);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.feature-card::after {
  content: "";
  position: absolute;
  width: 150px;
  height: 150px;
  right: -65px;
  bottom: -75px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 300ms ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(143, 63, 50, 0.3);
  box-shadow: var(--shadow);
}

.feature-card:hover::after {
  transform: scale(1.22);
}

.card-number {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10px;
}

.card-icon {
  width: 48px;
  height: 48px;
  margin: 30px 0 25px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 50%;
}

.card-icon svg {
  width: 23px;
  height: 23px;
}

.feature-card h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.04em;
}

.feature-card p {
  max-width: 300px;
  margin: 10px 0 26px;
  color: var(--ink-soft);
  font-size: 14px;
}

.card-link {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.content-section {
  padding: 130px 0;
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(50px, 9vw, 130px);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  align-self: start;
  position: sticky;
  top: 112px;
}

.section-kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 600;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 5.4vw, 68px);
  font-weight: 300;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.lead {
  margin: 0 0 45px;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(24px, 3vw, 35px);
  line-height: 1.42;
}

.topic-list article {
  padding: 23px 0;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 15px;
  border-top: 1px solid var(--line);
}

.topic-list article > span {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10px;
}

.topic-list h3,
.timeline h3,
.education-list h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.topic-list p,
.timeline p,
.education-list p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.text-link {
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
}

.timeline-item {
  padding: 25px 0;
  display: grid;
  grid-template-columns: 95px 1fr 22px;
  gap: 18px;
  align-items: start;
  border-top: 1px solid var(--line);
  transition: padding 180ms ease, color 180ms ease;
}

a.timeline-item:hover {
  padding-left: 9px;
  color: var(--accent);
}

.timeline-item time,
.education-list time,
.pub-year {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.timeline-item.featured {
  position: relative;
}

.timeline-item.featured::before {
  content: "New";
  position: absolute;
  right: 0;
  top: -10px;
  padding: 2px 7px;
  color: var(--paper);
  background: var(--accent);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.all-news {
  float: right;
}

.publication-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: publications;
}

.publication-list li {
  padding: 27px 0;
  display: grid;
  grid-template-columns: 65px 1fr;
  gap: 25px;
  border-top: 1px solid var(--line);
}

.publication-list p {
  margin: 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 17px;
}

.publication-list strong {
  color: var(--ink);
  font-weight: 600;
}

.pub-title {
  display: inline-block;
  margin-bottom: 9px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.pub-title:hover {
  color: var(--accent);
}

.scholar-publications {
  margin-top: 38px;
}

.education-list article {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 22px;
  border-top: 1px solid var(--line);
}

.education-list .institution {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 9px;
  font-weight: 600;
}

footer {
  padding: 55px 0 65px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  color: var(--ink-soft);
  font-size: 12px;
}

footer p {
  margin: 3px 0;
}

.footer-name {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 22px;
}

/* Shared interior pages */
.page-shell {
  min-height: calc(100vh - 230px);
  padding: 86px 0 40px;
}

.page-content {
  width: 100%;
  margin: 0 auto;
  padding: clamp(30px, 6vw, 68px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-content > :first-child {
  margin-top: 0;
}

.inner-page .page-content h1 {
  margin: 0 0 36px;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 54px);
  font-weight: 300;
  letter-spacing: -0.045em;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.inner-page .page-content h2 {
  margin: 58px 0 18px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-size: clamp(27px, 3.5vw, 36px);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.page-content h3 {
  margin: 34px 0 12px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.page-content p,
.page-content li {
  color: var(--ink-soft);
}

.page-content p {
  margin: 0 0 22px;
}

.page-content strong {
  color: var(--ink);
}

.page-content a:not(.post-card) {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-content img {
  max-width: 100%;
  height: auto;
  border-radius: 16px !important;
}

.page-content iframe {
  width: 100%;
  max-width: 100%;
  border-radius: 16px;
}

.page-content pre {
  padding: 20px;
  overflow-x: auto;
  color: var(--ink);
  background: var(--paper-deep);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.page-content code {
  font-family: var(--mono);
  font-size: 0.88em;
}

.page-content blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 22px;
  color: var(--ink-soft);
  border-left: 2px solid var(--accent);
}

.page-content hr {
  margin: 45px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.page-intro {
  max-width: 640px;
  margin: -12px 0 48px !important;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.55;
}

.post-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.post-list li {
  margin: 0;
}

.post-card {
  padding: 25px 4px;
  display: grid;
  grid-template-columns: 100px 1fr 22px;
  gap: 20px;
  align-items: center;
  border-top: 1px solid var(--line);
  transition: padding 180ms ease, color 180ms ease;
}

.post-card:hover {
  padding-left: 12px;
  color: var(--accent);
}

.post-card time {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.post-title {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.35;
}

.post-arrow {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

@media (max-width: 820px) {
  .site-header {
    padding: 12px 14px 0;
  }

  .nav-shell {
    min-height: 60px;
    padding: 7px 9px;
    border-radius: 15px;
  }

  .brand-name {
    display: none;
  }

  .nav-link {
    min-width: 68px;
    padding-inline: 8px;
  }

  main,
  footer {
    width: min(100% - 30px, 680px);
  }

  .hero {
    min-height: auto;
    padding: 85px 0 75px;
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .hero-copy {
    max-width: 650px;
  }

  .profile-card {
    width: min(100%, 410px);
  }

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

  .feature-card {
    min-height: 275px;
  }

  .content-section {
    padding: 95px 0;
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .section-heading {
    position: static;
  }

  .page-shell {
    padding-top: 62px;
  }
}

@media (max-width: 520px) {
  body {
    background-size: 20px 20px;
  }

  .nav-shell {
    gap: 8px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .nav-links {
    flex: 1;
    justify-content: flex-end;
  }

  .nav-link {
    min-width: 52px;
    padding: 6px 5px;
    font-size: 7px;
    letter-spacing: 0.04em;
  }

  .nav-link svg {
    width: 17px;
    height: 17px;
  }

  .hero {
    padding-top: 68px;
  }

  h1 {
    font-size: clamp(52px, 15vw, 72px);
  }

  .intro {
    font-size: 20px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .feature-card {
    padding: 23px;
  }

  .timeline-item {
    grid-template-columns: 72px 1fr 14px;
    gap: 11px;
  }

  .publication-list li,
  .education-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .page-content {
    padding: 28px 20px;
    border-radius: 20px;
  }

  .post-card {
    grid-template-columns: 1fr 16px;
    gap: 8px 12px;
  }

  .post-card time {
    grid-column: 1 / -1;
  }

  footer {
    align-items: start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}