:root {
  --bg: #f6f2ea;
  --bg-soft: rgba(255, 255, 255, 0.58);
  --text: #181715;
  --text-soft: rgba(24, 23, 21, 0.78);
  --muted: #67635d;
  --line: rgba(24, 23, 21, 0.12);
  --line-strong: rgba(24, 23, 21, 0.18);
  --accent: #596452;
  --accent-soft: rgba(89, 100, 82, 0.1);
  --max-width: 1180px;
  --radius: 24px;
  --shadow: 0 20px 48px rgba(24, 23, 21, 0.05);
  --serif: "Iowan Old Style", "Baskerville", "Palatino Linotype", "Book Antiqua", "Times New Roman", serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
  background:
    linear-gradient(180deg, rgba(89, 100, 82, 0.045), transparent 22%),
    linear-gradient(90deg, rgba(24, 23, 21, 0.012) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 42px 42px, auto;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.7rem 1rem;
  background: var(--text);
  color: var(--bg);
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

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

.site-header,
.site-footer,
.hero,
.section {
  border-top: 1px solid var(--line);
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.eyebrow,
.section-index,
.card-kicker,
.paper-status,
.panel-label,
.methods-label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.profile-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.15rem;
  align-items: center;
}

.profile-tabs a {
  position: relative;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.2;
  padding-bottom: 0.08rem;
  white-space: nowrap;
}

.profile-tabs a.is-current {
  color: var(--text);
}

.profile-tabs a:hover,
.profile-tabs a:focus-visible,
.text-link:hover,
.text-link:focus-visible,
.contact-card a:hover,
.contact-card a:focus-visible {
  color: var(--accent);
}

.profile-tabs a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.profile-tabs a:hover::after,
.profile-tabs a.is-current::after,
.profile-tabs a:focus-visible::after {
  transform: scaleX(1);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.05rem;
  align-items: center;
  justify-content: flex-end;
}

.site-nav a {
  position: relative;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.2;
  padding-bottom: 0.08rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--accent);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, 0.75fr);
  gap: clamp(1.5rem, 3vw, 2.8rem);
  padding: clamp(2.8rem, 6vw, 4.2rem) 0 1.35rem;
  align-items: start;
}

.hero-identity {
  display: grid;
  gap: 0.15rem;
  margin-bottom: 0.8rem;
}

.hero-person {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.42rem, 2vw, 1.72rem);
  line-height: 1.1;
}

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

.hero-copy h1 {
  margin: 0;
  max-width: none;
  font-family: var(--serif);
  font-size: clamp(1.58rem, 2.2vw, 2.1rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 400;
  white-space: nowrap;
}

.hero-lead {
  margin: 0.85rem 0 0;
  max-width: 34rem;
  font-size: 0.98rem;
  line-height: 1.68;
  color: var(--text-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.72rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  text-decoration: none;
  font-size: 0.92rem;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible {
  background: rgba(255, 255, 255, 0.52);
  border-color: var(--line-strong);
}

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

.button-primary:hover,
.button-primary:focus-visible {
  background: #2d2a26;
  border-color: #2d2a26;
}

.hero-panel {
  display: grid;
  gap: 0.42rem;
  padding-top: 0.3rem;
  width: min(100%, 276px);
  justify-self: end;
  justify-items: stretch;
}

.page-main {
  padding-top: 0.1rem;
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.75fr);
  gap: clamp(1.4rem, 2.8vw, 2.6rem);
  padding: clamp(2.4rem, 5vw, 3.6rem) 0 1.2rem;
  align-items: start;
}

.page-header-copy {
  max-width: 46rem;
}

.page-kicker {
  margin: 0 0 0.45rem;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.02;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.page-intro {
  margin: 0.95rem 0 0;
  max-width: 38rem;
  color: var(--text-soft);
  font-size: 0.99rem;
  line-height: 1.7;
}

.page-aside {
  display: grid;
  gap: 0.7rem;
  width: min(100%, 300px);
  justify-self: end;
}

.page-stack {
  display: grid;
  gap: 1.2rem;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.72fr);
  gap: clamp(1.2rem, 2vw, 2rem);
  align-items: start;
}

.page-grid-compact {
  display: grid;
  gap: 0.9rem;
}

.support-card {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(24, 23, 21, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 0 10px 20px rgba(24, 23, 21, 0.022);
}

.support-card p {
  margin: 0;
  color: var(--text-soft);
}

.support-card p + p {
  margin-top: 0.6rem;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.resource-card {
  padding: 1rem 1.05rem;
  border: 1px solid rgba(24, 23, 21, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.54);
  box-shadow: 0 10px 20px rgba(24, 23, 21, 0.02);
}

.resource-card h3,
.support-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.22;
  font-weight: 400;
}

.resource-card p,
.support-card li {
  margin: 0.55rem 0 0;
  color: var(--text-soft);
  font-size: 0.95rem;
  line-height: 1.62;
}

.support-card ul {
  margin: 0.55rem 0 0;
  padding-left: 1rem;
}

.support-card li + li {
  margin-top: 0.38rem;
}

.portrait-card {
  overflow: hidden;
  width: min(100%, 214px);
  justify-self: center;
  border: 1px solid rgba(24, 23, 21, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 10px 20px rgba(24, 23, 21, 0.025);
}

.portrait-image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3.65;
  object-fit: cover;
  object-position: center 16%;
}

.panel-card {
  padding: 0.88rem 0.94rem;
  border: 1px solid rgba(24, 23, 21, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 10px 20px rgba(24, 23, 21, 0.025);
  width: 100%;
}

.panel-label {
  margin: 0;
}

.panel-text {
  margin: 0.38rem 0 0;
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.25;
}

.panel-note {
  margin: 0.38rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.section {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  gap: 1.45rem;
  padding: 1.95rem 0;
}

.section-heading h2 {
  margin: 0.28rem 0 0;
  font-family: var(--serif);
  font-size: clamp(1.72rem, 2.5vw, 2.2rem);
  line-height: 1.08;
  font-weight: 400;
}

.section-content {
  min-width: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.75fr);
  gap: clamp(1.2rem, 2vw, 2rem);
  align-items: start;
}

.prose {
  max-width: 54rem;
}

.prose p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.68;
}

.prose p + p {
  margin-top: 1rem;
}

.paper-item h4 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.22;
  font-weight: 400;
}

.interest-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.mini-card {
  padding: 0.9rem 0.95rem;
  border: 1px solid rgba(24, 23, 21, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 10px 20px rgba(24, 23, 21, 0.022);
}

.mini-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.28;
  font-weight: 400;
}

.education-card {
  padding: 0.92rem 0.98rem;
  width: min(100%, 276px);
  justify-self: end;
}

.education-list {
  margin: 0.45rem 0 0;
  padding-left: 0;
  list-style: none;
}

.education-list li {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.48;
}

.education-list li + li {
  margin-top: 0.38rem;
}

.publication-groups {
  display: grid;
  gap: 1.7rem;
}

.pub-group {
  display: grid;
  gap: 0;
}

.pub-group-title {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  margin: 0 0 1.15rem;
  font-family: var(--serif);
  font-size: 1.52rem;
  line-height: 1.15;
  font-weight: 600;
  color: var(--text);
}

.pub-group-title::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--line-strong);
}

.paper-item {
  display: block;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}

.pub-group .paper-item:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.paper-meta {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.paper-year {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
}

.paper-item > p:not(.paper-meta):not(.paper-year):not(.paper-link) {
  margin: 0.62rem 0 0;
  max-width: 52rem;
  color: var(--text-soft);
}

.abstract-inline {
  margin: 0.62rem 0 0;
  max-width: 52rem;
  color: var(--text-soft);
}

.abstract-rest[hidden] {
  display: none;
}

.abstract-toggle-inline {
  display: inline;
  margin-left: 0.35rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: #1f6fe5;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  border-bottom: 1px solid rgba(31, 111, 229, 0.42);
}

.abstract-toggle-inline:hover,
.abstract-toggle-inline:focus-visible {
  color: #1559bb;
}

.paper-link {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.68rem;
  color: var(--muted);
  font-size: 0.88rem;
  letter-spacing: 0.01em;
}

.paper-link span {
  color: rgba(24, 23, 21, 0.34);
}

.paper-link a {
  color: #1f6fe5;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 111, 229, 0.42);
}

.paper-link a:hover,
.paper-link a:focus-visible {
  color: #1559bb;
}

.cv-simple {
  max-width: 30rem;
}

.button-secondary {
  margin-top: 0;
}

.cv-card-minimal p {
  margin: 0 0 0.95rem;
  color: var(--text-soft);
}

.text-link {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.contact-simple {
  max-width: 34rem;
}

.contact-card {
  font-style: normal;
  min-height: 100%;
  padding: 0.92rem 1rem;
  border: 1px solid rgba(24, 23, 21, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 0 10px 20px rgba(24, 23, 21, 0.022);
}

.contact-card p {
  margin: 0;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  align-items: start;
}

.contact-card p + p {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.contact-card span:first-child {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-card a {
  text-decoration: none;
  border-bottom: 1px solid rgba(24, 23, 21, 0.18);
}

.site-footer {
  margin-top: 1.2rem;
  padding-bottom: 1.8rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 480ms ease, transform 480ms ease;
}

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

@media (max-width: 960px) {
  .hero,
  .section,
  .about-grid,
  .page-hero,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .education-card,
  .page-aside {
    width: 100%;
    justify-self: stretch;
  }

  .portrait-card {
    width: min(100%, 214px);
    justify-self: center;
  }

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

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

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 1.2rem), var(--max-width));
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .profile-tabs,
  .site-nav {
    gap: 0.7rem 0.95rem;
  }

  .hero {
    padding: 2.2rem 0 1.45rem;
    gap: 1rem;
  }

  .page-hero {
    padding: 2.1rem 0 1.35rem;
    gap: 1rem;
  }

  .hero-person {
    font-size: 1.35rem;
  }

  .hero-copy h1 {
    font-size: clamp(1.72rem, 7vw, 2.1rem);
    max-width: 12ch;
    white-space: normal;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 1.65rem 0;
    gap: 0.95rem;
  }

  .paper-item {
    padding: 0.82rem 0;
  }

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

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

  .contact-card p {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

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

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

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