:root {
  --ink: #241a14;
  --muted: #6e5b50;
  --paper: #fbf6ee;
  --cream: #f4eadc;
  --line: #dccab8;
  --coffee: #5d3524;
  --copper: #a7623a;
  --sage: #5e6b58;
  --charcoal: #342b25;
  --white: #fffdf8;
  --shadow: 0 18px 50px rgba(57, 38, 24, 0.14);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

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

.site-header {
  align-items: center;
  background: rgba(251, 246, 238, 0.92);
  border-bottom: 1px solid rgba(220, 202, 184, 0.72);
  display: flex;
  justify-content: space-between;
  left: 0;
  padding: 14px clamp(18px, 4vw, 42px);
  position: sticky;
  right: 0;
  top: 0;
  backdrop-filter: blur(16px);
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-weight: 700;
  gap: 10px;
  letter-spacing: 0;
}

.brand-mark {
  align-items: center;
  background: var(--coffee);
  border-radius: 50%;
  color: var(--paper);
  display: inline-flex;
  font-family: Lora, Georgia, serif;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 24px;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--coffee);
}

.nav-toggle {
  background: transparent;
  border: 0;
  display: none;
  height: 40px;
  padding: 8px;
  width: 40px;
}

.nav-toggle span {
  background: var(--coffee);
  display: block;
  height: 2px;
  margin: 5px 0;
}

.hero {
  min-height: calc(100vh - 68px);
  position: relative;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(36, 26, 20, 0.78), rgba(36, 26, 20, 0.46) 42%, rgba(36, 26, 20, 0.06)),
    url("assets/hero-academic.png") center / cover;
  inset: 0;
  position: absolute;
  z-index: -2;
}

.hero::after {
  background: linear-gradient(0deg, var(--paper), rgba(251, 246, 238, 0));
  bottom: 0;
  content: "";
  height: 22vh;
  left: 0;
  position: absolute;
  right: 0;
  z-index: -1;
}

.hero-inner {
  align-items: center;
  display: grid;
  gap: clamp(30px, 5vw, 64px);
  grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
  margin: 0 auto;
  max-width: 1180px;
  padding: clamp(90px, 14vh, 160px) clamp(22px, 6vw, 90px) clamp(100px, 18vh, 160px);
  width: 100%;
}

.hero-content {
  color: var(--white);
  max-width: 820px;
}

.hero-portrait {
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid rgba(244, 216, 191, 0.72);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(28, 18, 12, 0.28);
  justify-self: end;
  margin: 0;
  overflow: hidden;
  padding: 8px;
  width: min(100%, 300px);
}

.hero-portrait img {
  aspect-ratio: 4 / 5;
  border-radius: 6px;
  display: block;
  height: auto;
  object-fit: cover;
  object-position: center 18%;
  width: 100%;
}

.eyebrow {
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #e9c3a7;
}

h1,
h2,
h3 {
  font-family: Lora, Georgia, serif;
  letter-spacing: 0;
  line-height: 1.12;
  margin: 0;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.6rem);
  max-width: 780px;
}

h2 {
  color: var(--charcoal);
  font-size: clamp(2rem, 4vw, 3.5rem);
  max-width: 820px;
}

h3 {
  color: var(--ink);
  font-size: 1.18rem;
}

.intro {
  color: rgba(255, 253, 248, 0.86);
  font-size: 1.08rem;
  max-width: 690px;
  margin: 22px 0 0;
}

.intro a {
  color: #f4d8bf;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  align-items: center;
  border-radius: 6px;
  display: inline-flex;
  font-weight: 800;
  min-height: 46px;
  padding: 0 18px;
}

.button.primary {
  background: #f4d8bf;
  color: #2f1e15;
}

/* The hero image fades to --paper at the bottom, so a transparent button with
   white text drops to ~1.7:1 contrast wherever the backdrop is light (most
   visible on mobile, where the taller layout pushes the buttons into the fade).
   A translucent dark plate keeps the label legible over any part of the image. */
.button.secondary {
  background: rgba(36, 26, 20, 0.58);
  border: 1px solid rgba(255, 253, 248, 0.7);
  color: var(--white);
  backdrop-filter: blur(3px);
}

.section {
  margin: 0 auto;
  max-width: var(--max);
  padding: 86px clamp(20px, 4vw, 36px);
}

.section-heading {
  margin-bottom: 34px;
}

code {
  background: #eadccc;
  border-radius: 4px;
  color: #553220;
  padding: 2px 5px;
}

.interest-card,
.project-card,
.publication-card,
.entry,
.contact-card {
  background: rgba(255, 253, 248, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(57, 38, 24, 0.07);
}

.interest-card p,
.project-card p,
.publication-card p,
.entry p {
  color: var(--muted);
  margin: 10px 0 0;
}

.abstract-details {
  border-top: 1px solid rgba(220, 202, 184, 0.78);
  margin-top: 16px;
  padding-top: 14px;
}

.abstract-details > span {
  color: var(--coffee);
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.abstract-details p {
  max-width: none;
}

.detail-list {
  border-top: 1px solid rgba(220, 202, 184, 0.78);
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 14px 0 0;
}

.detail-list div {
  display: grid;
  gap: 4px;
}

.detail-list dt {
  color: var(--copper);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.detail-list dd {
  color: var(--charcoal);
  font-weight: 600;
  margin: 0;
}

.coursework-list {
  border-top: 1px solid rgba(220, 202, 184, 0.78);
  margin-top: 16px;
  padding-top: 14px;
}

.coursework-list > span {
  color: var(--coffee);
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.coursework-list ul {
  color: var(--muted);
  columns: 2;
  column-gap: 34px;
  list-style-position: inside;
  margin: 0;
  padding: 0;
}

.coursework-list li {
  break-inside: avoid;
  font-weight: 700;
  margin: 2px 0;
}

.research-section {
  max-width: 1180px;
}

.research-panel {
  padding: 8px 0;
}

.research-panel.emphasized {
  padding-left: 0;
}

.research-panel > h3 {
  margin-bottom: 18px;
}

.project-list,
.publication-list,
.stack,
.research-grid,
.education-grid,
.activity-grid {
  display: grid;
  gap: 16px;
}

.research-grid,
.education-grid {
  grid-template-columns: repeat(3, 1fr);
}

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

.project-list {
  gap: 12px;
}

.project-card,
.publication-card,
.entry {
  padding: 22px;
}

.project-card {
  display: grid;
  gap: 6px 14px;
  grid-template-columns: auto 1fr;
  padding: 18px;
}

.project-card h3 {
  grid-column: 2;
}

.project-card .meta {
  grid-column: 2;
}

.project-index {
  color: var(--copper);
  font-family: Lora, Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  grid-column: 1;
  grid-row: 1 / span 3;
  line-height: 1.1;
}

.project-card .meta {
  margin-top: 2px;
}

.project-abstract {
  border-top: 1px solid rgba(220, 202, 184, 0.78);
  grid-column: 2;
  margin-top: 10px;
  padding-top: 12px;
}

.project-abstract > span {
  color: var(--coffee);
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.project-abstract p {
  color: var(--muted);
  line-height: 1.72;
  margin: 0;
}

.research-grid .entry {
  box-shadow: none;
  display: grid;
  gap: 4px 22px;
  grid-template-columns: minmax(150px, 0.28fr) minmax(0, 1fr);
  padding: 18px 0;
  border: 0;
  border-bottom: 1px solid rgba(220, 202, 184, 0.78);
  border-radius: 0;
  background: transparent;
}

.research-grid .entry h3,
.research-grid .entry p {
  grid-column: 2;
}

.research-grid .entry .meta {
  grid-column: 1;
  grid-row: 1 / span 2;
  margin-top: 0;
}

.meta {
  color: var(--copper);
  display: block;
  font-size: 0.88rem;
  font-weight: 800;
  margin-top: 10px;
}

.band {
  background: #efe2d1;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  max-width: none;
}

.band > * {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--max);
}

.timeline {
  display: grid;
  gap: 10px;
}

.conference-list {
  display: grid;
  gap: 12px;
}

.conference-row {
  align-items: center;
  background: rgba(255, 253, 248, 0.68);
  border: 1px solid rgba(220, 202, 184, 0.84);
  border-radius: 8px;
  padding: 18px;
}

.timeline-row {
  align-items: center;
  background: rgba(255, 253, 248, 0.68);
  border: 1px solid rgba(220, 202, 184, 0.84);
  border-radius: 8px;
  display: grid;
  gap: 14px;
  grid-template-columns: 120px 1fr auto;
  padding: 16px 18px;
}

.term {
  color: var(--coffee);
  font-weight: 800;
}

.course {
  font-weight: 700;
}

.load {
  color: var(--muted);
  white-space: nowrap;
}

.contact {
  align-items: start;
  display: grid;
  gap: 34px;
  grid-template-columns: 1fr minmax(280px, 360px);
}

.contact-card {
  display: grid;
  gap: 12px;
  padding: 24px;
}

.contact-card a {
  color: var(--coffee);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding: 26px clamp(20px, 4vw, 42px);
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    left: 0;
    padding: 18px 24px 24px;
    position: absolute;
    right: 0;
    top: 67px;
  }

  .site-nav.open {
    display: flex;
  }

  .hero {
    min-height: 760px;
  }

  .hero-inner {
    align-items: start;
    grid-template-columns: 1fr;
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero-portrait {
    justify-self: start;
    max-width: 220px;
    order: -1;
  }

  .hero-media {
    background:
      linear-gradient(180deg, rgba(36, 26, 20, 0.86), rgba(36, 26, 20, 0.48)),
      url("assets/hero-academic.png") center / cover;
  }

  .interest-grid,
  .interest-list,
  .research-grid,
  .education-grid,
  .activity-grid,
  .research-layout,
  .research-experience-block,
  .split,
  .two-column,
  .contact {
    grid-template-columns: 1fr;
  }

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

  .research-grid .entry h3,
  .research-grid .entry p,
  .research-grid .entry .meta {
    grid-column: 1;
  }

  .research-grid .entry .meta {
    grid-row: auto;
  }

  .research-panel.emphasized {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 24px;
  }

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

  .project-card {
    grid-template-columns: auto 1fr;
  }

  .project-card h3,
  .project-card .meta,
  .project-abstract {
    grid-column: 2;
    grid-row: auto;
  }

  .project-index {
    grid-row: 1 / span 3;
  }

  .timeline-row {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .conference-row {
    align-items: start;
    grid-template-columns: 1fr;
  }

  .load {
    white-space: normal;
  }

  .coursework-list ul {
    columns: 1;
  }
}

@media (max-width: 520px) {
  .hero-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

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

  .button {
    justify-content: center;
    width: 100%;
  }
}

.teaching-row {
  background: rgba(255, 253, 248, 0.68);
  border: 1px solid rgba(220, 202, 184, 0.84);
  border-radius: 8px;
  padding: 18px 20px;
}

.teaching-row .course {
  font-size: 1.05rem;
  margin: 0 0 8px;
}

.term-list {
  color: var(--muted);
  list-style: none;
  margin: 0;
  padding: 0;
}

.term-list li {
  padding: 2px 0;
}