*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f6f4ee;
  --ink: #1a1815;
  --muted: #7a7570;
  --accent: #2f874e;
  --rule: #d4cfc8;
  --serif: 'EB Garamond', Georgia, serif;
  --mono: 'DM Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  min-height: 100vh;
}

.site {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 2rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 2.8rem 0 2rem;
  border-bottom: 1px solid var(--rule);
}

.site-title {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.site-title:hover {
  color: var(--muted);
}

.nav-links a {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.25rem;
  flex-shrink: 0;
}

.hero {
  padding: 5rem 0 3.5rem;
}

.hero-top {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin-bottom: 1.8rem;
}

.hero-photo {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--rule);
  flex-shrink: 0;
}

.hero-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0;
}

h1 em {
  font-style: italic;
  color: var(--muted);
}

.page-heading {
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 2.5rem;
}

.page-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.page-heading-row .page-heading {
  margin-bottom: 0;
}

.scholar-link {
  display: flex;
  align-items: center;
  color: var(--muted);
  flex-shrink: 0;
  transition: color 0.2s;
}

.scholar-link:hover {
  color: var(--accent);
}

.scholar-icon {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.page-heading em {
  font-style: italic;
  color: var(--muted);
}

h2.page-heading {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin-bottom: 2rem;
}

.hero-bio {
  font-size: 1.08rem;
  color: #3a3830;
  max-width: 560px;
  margin-bottom: 2.4rem;
}

.hero-bio a,
.pub-links a,
.talk-venue a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.2s;
}

.hero-bio a:hover,
.pub-links a:hover { text-decoration-color: var(--accent); }

.social {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.social a {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s;
}

.social a:hover { color: var(--ink); }

.social-icon {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--rule);
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2rem;
}

.interest-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.interest-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
}

.interest-list li:first-child {
  border-top: 1px solid var(--rule);
}

.interest-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

#research {
  padding-bottom: 2rem;
}

#about {
  padding-top: 2.5rem;
}

.interest-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  min-width: 1.6rem;
}

.interest-title {
  font-size: 1.05rem;
  font-weight: 400;
}

.position {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.3rem 1.4rem;
  margin-bottom: 1.8rem;
  align-items: baseline;
}

.position-year {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  padding-top: 0.2rem;
  width: 7.5rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.position-title {
  font-size: 1rem;
  font-weight: 500;
}

.position-org {
  grid-column: 2;
  font-size: 0.92rem;
  color: var(--muted);
}

.position-org a {
  color: var(--accent);
  text-decoration: none;
}

.position-org a:hover { text-decoration: underline; }

/* Publications */

.page-main {
  padding: 4rem 0 2.5rem;
}

.page-main + section {
  border-top: none;
  padding-top: 2.5rem;
}

.page-heading-row {
  margin-bottom: 1.25rem;
}

section > .page-heading {
  margin-bottom: 1.25rem;
}

.page-heading-row + .pub-list > li:first-child,
section > .page-heading + .talk-list > li:first-child {
  border-top: none;
}

.pub-list {
  list-style: none;
}

.pub-list > li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}

.pub-list:not(.pub-list--continued) > li:last-child {
  border-bottom: none;
}

.pub-list--continued > li:first-child {
  border-top: none;
}

.page-main .expand-more {
  border-bottom: 1px solid var(--rule);
}

section .expand-more {
  border-bottom: none;
}

.expand-more summary {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  padding: 1rem 0;
  list-style: none;
  user-select: none;
  transition: color 0.2s;
}

.expand-more summary:hover {
  color: var(--ink);
}

.expand-more summary::-webkit-details-marker {
  display: none;
}

.expand-more summary::after {
  content: " +";
  color: var(--accent);
}

.expand-more[open] summary {
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
}

.expand-more[open] summary::after {
  content: " −";
}

.talk-list:not(.talk-list--continued) > li:last-child {
  border-bottom: none;
}

.talk-list--continued > li:first-child {
  border-top: none;
}

.pub-title {
  font-size: 1.05rem;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.pub-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.pub-links {
  font-family: var(--mono);
  font-size: 0.72rem;
  margin-top: 0.35rem;
  letter-spacing: 0.04em;
}

.pub-links a {
  text-decoration: none;
  color: var(--accent);
}

.pub-links a:hover { text-decoration: underline; }

.talk-list {
  list-style: none;
}

.talk-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
}

.talk-title {
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 0.2rem;
}

.talk-venue {
  font-size: 0.92rem;
  color: var(--muted);
}

.talk-date {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* Life */

.life-page {
  --life-card: #fffcf8;
  --life-warm: #f3ebe3;
  --life-shadow: rgba(26, 24, 21, 0.06);
}

.life-main {
  padding-bottom: 2rem;
}

.life-intro {
  margin-bottom: 2.75rem;
}

.life-label,
.life-section-label,
.photo-scroll-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.life-title {
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0.75rem 0 1rem;
}

.life-title em {
  font-style: italic;
  color: var(--muted);
}

.life-lead {
  font-size: 1.08rem;
  color: #3a3830;
  max-width: 34rem;
}

.life-card {
  background: var(--life-card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1.75rem;
  box-shadow: 0 4px 24px var(--life-shadow);
}

.life-card--project {
  position: relative;
  background: linear-gradient(135deg, #fff8f4 0%, #fffcf8 55%, #f4faf6 100%);
  padding-top: 2rem;
}

.life-section {
  padding-top: 0;
  border-top: none;
  margin-bottom: 2.75rem;
}

.life-section:last-of-type {
  margin-bottom: 0;
}

.life-section-title {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 400;
  line-height: 1.2;
  margin: 0.35rem 0 1.5rem;
}

.life-section-title em {
  font-style: italic;
  color: var(--muted);
}

.life-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.life-tags li {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--rule);
  background: var(--bg);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
}

.life-tags--project {
  margin-top: 1rem;
}

.project-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 1.35rem;
  line-height: 1;
  opacity: 0.85;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  display: inline-block;
}

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

.project-desc {
  font-size: 1rem;
  color: #3a3830;
  margin-top: 0.65rem;
  max-width: 32rem;
}

.photo-scroll {
  margin-top: 1.25rem;
  overflow-x: scroll;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: auto;
  scrollbar-color: var(--muted) #e8e4dc;
  cursor: grab;
  padding-bottom: 0.5rem;
}

.photo-scroll:active {
  cursor: grabbing;
}

.photo-scroll::-webkit-scrollbar {
  height: 12px;
}

.photo-scroll::-webkit-scrollbar-track {
  background: #e8e4dc;
  border-radius: 6px;
}

.photo-scroll::-webkit-scrollbar-thumb {
  background: var(--muted);
  border-radius: 6px;
  border: 2px solid #e8e4dc;
}

.photo-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--ink);
}

.photo-scroll-track {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  width: max-content;
  padding-bottom: 0.35rem;
}

.photo-frame {
  margin: 0;
  padding: 0;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--rule);
  box-shadow: 0 6px 18px var(--life-shadow);
  background: #ece9e1;
  cursor: zoom-in;
  font: inherit;
  transition: box-shadow 0.35s ease;
  scroll-snap-align: center;
  line-height: 0;
}

.photo-frame:hover:not(.is-expanded) {
  box-shadow: 0 10px 28px rgba(26, 24, 21, 0.1);
}

.photo-frame.is-expanded {
  cursor: zoom-out;
  box-shadow: 0 14px 36px rgba(26, 24, 21, 0.16);
  border-color: var(--accent);
}

.photo-frame img {
  display: block;
  width: auto;
  height: auto;
  max-height: 280px;
  max-width: 320px;
  object-fit: contain;
  object-position: center;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
  transition: max-height 0.4s ease, max-width 0.4s ease;
}

.photo-frame.is-expanded img {
  max-height: min(520px, 70vh);
  max-width: min(480px, 85vw);
}

.photo-scroll.has-expanded {
  scroll-snap-type: x proximity;
}

.photo-scroll-hint {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
  margin-top: 0.65rem;
}

.project-cta {
  display: inline-block;
  margin-top: 1.25rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--life-card);
  background: var(--accent);
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.project-cta:hover {
  background: #256b3d;
  transform: translateY(-1px);
}

/* Legacy project-list (other pages) */

.life-block .page-heading,
.life-section .page-heading {
  margin-bottom: 1.25rem;
}

.project-list {
  list-style: none;
}

.project-list > li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}

.project-list > li:first-child {
  border-top: 1px solid var(--rule);
}

.project-list > li > .project-desc:first-child {
  margin-top: 0;
}

.project-links {
  font-family: var(--mono);
  font-size: 0.72rem;
  margin-top: 0.5rem;
  letter-spacing: 0.04em;
}

.project-links a {
  color: var(--accent);
  text-decoration: none;
}

.project-links a:hover {
  text-decoration: underline;
}

footer {
  border-top: 1px solid var(--rule);
  padding: 2.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

footer p {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

footer a {
  color: var(--muted);
  text-decoration: none;
}

footer a:hover { color: var(--ink); }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero,
.page-main { animation: fadeUp 0.7s ease both; }

section { animation: fadeUp 0.7s ease both; }
section:nth-of-type(1) { animation-delay: 0.1s; }
section:nth-of-type(2) { animation-delay: 0.2s; }

@media (max-width: 520px) {
  nav { flex-direction: column; align-items: flex-start; gap: 0.85rem; }
  .nav-links { gap: 1rem; flex-wrap: wrap; }
  .photo-frame img { max-height: 220px; max-width: 260px; }
  .photo-frame.is-expanded img { max-height: min(360px, 60vh); max-width: min(320px, 88vw); }
  .photo-scroll::-webkit-scrollbar { height: 10px; }
  .hero { padding: 3.5rem 0 2.5rem; }
  .hero-top { flex-direction: column; align-items: flex-start; gap: 1.2rem; }
}