:root {
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --ink: #1b1814;
  --ink-soft: #4a433b;
  --line: rgba(27, 24, 20, 0.16);
  --accent: #8f3d2c;
  --accent-ink: #6e2c1f;
  --focus: #1b1814;
  --shadow: 0 12px 30px rgba(27, 24, 20, 0.08);
  --ease: 180ms ease;
  --max: 68rem;
  --measure: 40rem;
  --header-h: 4.25rem;
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-sans: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}

html[data-theme="dark"] {
  --paper: #141210;
  --paper-2: #1e1a16;
  --ink: #f4ece3;
  --ink-soft: #c7b9ab;
  --line: rgba(244, 236, 227, 0.14);
  --accent: #e08a72;
  --accent-ink: #f0b4a4;
  --focus: #f4ece3;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.32);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--ease), color var(--ease);
}

img { max-width: 100%; height: auto; }

a {
  color: var(--accent-ink);
  text-underline-offset: 0.18em;
  transition: color var(--ease), background-color var(--ease), border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

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

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.8rem;
  z-index: 20;
}

.skip-link:focus { top: 0.75rem; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: min(100% - 1.75rem, var(--max));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.header-end {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-left: auto;
}

.wordmark {
  text-decoration: none;
  color: inherit;
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.wordmark:hover {
  color: inherit;
}

.wordmark-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.wordmark-meta {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper-2) 55%, transparent);
  color: var(--ink);
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease);
}

.theme-toggle:hover {
  border-color: var(--ink);
  color: var(--accent-ink);
}

html[data-theme="light"] .theme-toggle-sun,
html[data-theme="dark"] .theme-toggle-moon {
  display: none;
}

.nav-toggle {
  list-style: none;
  cursor: pointer;
  border: 1px solid var(--line);
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease);
}

.nav-toggle:hover {
  border-color: var(--accent);
  color: var(--accent-ink);
}

.nav-toggle::-webkit-details-marker { display: none; }

.nav-panel {
  position: relative;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0.75rem 0 0;
  display: grid;
  gap: 0.35rem;
}

.nav-panel[open] .site-nav,
.nav-panel .site-nav {
  display: none;
}

.nav-panel[open] .site-nav {
  display: block;
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0.85rem 1rem 1rem;
  min-width: 14rem;
  box-shadow: var(--shadow);
  z-index: 20;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink);
  font-size: 0.95rem;
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.18rem;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav a.is-active,
.site-nav a[aria-current="page"] {
  color: var(--accent-ink);
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .nav-panel { position: static; }
  .nav-panel .site-nav,
  .nav-panel[open] .site-nav {
    display: block;
    position: static;
    border: 0;
    background: transparent;
    padding: 0;
    min-width: 0;
    box-shadow: none;
  }
  .site-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.15rem 1.15rem;
    padding: 0;
  }
}

.hero {
  padding: 2.8rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
}

.hero-grid,
.about-grid {
  display: grid;
  gap: 1.4rem 2rem;
  align-items: start;
  grid-template-areas:
    "photo"
    "copy";
}

.hero-copy,
.about-copy {
  grid-area: copy;
}

.hero-portrait,
.about-portrait {
  margin: 0;
  width: 10.5rem;
  grid-area: photo;
}

.hobby-portrait,
.research-portrait,
.awards-portrait {
  margin: 0;
  width: min(100%, 18rem);
  grid-area: photo;
}

.portrait {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--paper-2);
  box-shadow: var(--shadow);
}

.hobby-photo,
.research-photo,
.awards-photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--line);
  background: var(--paper-2);
}

@media (min-width: 800px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 18rem;
    grid-template-areas: "copy photo";
  }
  .about-grid {
    grid-template-columns: minmax(0, 1fr) 14rem;
    grid-template-areas: "copy photo";
  }
  .hobby-grid {
    grid-template-columns: minmax(0, 1fr) 22rem;
    grid-template-areas: "copy photo";
  }
  .research-grid {
    grid-template-columns: minmax(0, 1fr) 18rem;
    grid-template-areas: "copy photo";
  }
  .awards-grid {
    grid-template-columns: minmax(0, 1fr) 16rem;
    grid-template-areas: "copy photo";
  }
  .hero-portrait { width: 18rem; }
  .about-portrait { width: 14rem; }
  .hobby-portrait { width: 22rem; }
  .research-portrait { width: 18rem; }
  .awards-portrait { width: 16rem; }
  .research-portrait { width: 18rem; }
}

.kicker {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin: 0 0 0.8rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.05rem, 6vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
  max-width: 18ch;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  max-width: 36rem;
}

.lede {
  max-width: var(--measure);
  color: var(--ink-soft);
  margin: 0 0 0.8rem;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.quick-links a,
.button {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 0.5rem 0.85rem;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  transition: background-color var(--ease), color var(--ease), border-color var(--ease);
}

.quick-links a:hover,
.button:hover {
  background: var(--ink);
  color: var(--paper);
}

.button-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff8f5;
}

.button-accent:hover {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
  color: #fff;
}

.section {
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--line);
}

.section h2,
.page-hero h2,
.content h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  margin: 0 0 1.1rem;
}

.card-grid,
.highlight-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .highlight-grid { grid-template-columns: 1fr 1fr; }
}

.card,
.highlight {
  border: 1px solid var(--line);
  padding: 1.2rem 1.2rem 1.3rem;
  background: color-mix(in srgb, var(--paper-2) 42%, var(--paper));
  transition: border-color var(--ease), background-color var(--ease);
}

.highlight:hover,
.card:hover {
  border-color: var(--ink);
}

.highlight-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.highlight-link:hover {
  color: inherit;
}

.highlight-link p {
  margin: 0;
  color: var(--ink-soft);
}

.highlight h3,
.card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin: 0 0 0.45rem;
  font-weight: 500;
}

.highlight h3 a,
.card h3 a {
  text-decoration: none;
  color: inherit;
}

.highlight h3 a:hover,
.card h3 a:hover {
  color: var(--accent-ink);
}

.meta {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.badge {
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent-ink);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  margin-bottom: 0.55rem;
}

.theme-map {
  display: grid;
  gap: 0.7rem;
  margin: 1.2rem 0;
}

@media (min-width: 700px) {
  .theme-map { grid-template-columns: 1fr 1fr; }
}

.theme-map a {
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  padding: 0.95rem 1.05rem;
  display: block;
  background: color-mix(in srgb, var(--paper-2) 35%, var(--paper));
  transition: border-color var(--ease);
}

.theme-map a:hover,
.theme-map a:focus-visible {
  border-color: var(--ink);
}

.theme-map strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.pub {
  display: grid;
  gap: 0.35rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--line);
  transition: border-color var(--ease);
}

.pub:hover {
  border-top-color: var(--ink);
}

.pub-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.7rem;
  margin: 0 0 1.2rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.filters a,
.filters button {
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  font: inherit;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 0.15rem 0;
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.filters a:hover,
.filters button:hover,
.filters a.is-active,
.filters button.is-active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.filters[hidden] { display: none !important; }

details.expand {
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
  margin: 0.8rem 0;
  background: color-mix(in srgb, var(--paper-2) 42%, var(--paper));
  transition: border-color var(--ease);
}

details.expand:hover,
details.expand[open] {
  border-color: var(--ink);
}

details.expand summary {
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.15rem;
}

details.expand .expand-body {
  margin-top: 0.7rem;
  max-width: var(--measure);
}

.form {
  display: grid;
  gap: 0.85rem;
  max-width: 32rem;
}

.form-wait {
  display: inline-block;
  width: 0.65rem;
  height: 0.65rem;
  margin-left: 0.45rem;
  border: 1.5px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -0.05em;
  animation: fa-spin 0.65s linear infinite;
}

.form-wait[hidden] {
  display: none !important;
}

.button.is-sending {
  pointer-events: none;
  opacity: 0.8;
}

@keyframes fa-spin {
  to { transform: rotate(360deg); }
}

label span {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  font: inherit;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 70%, white);
  color: var(--ink);
  transition: border-color var(--ease), box-shadow var(--ease);
}

html[data-theme="dark"] input[type="text"],
html[data-theme="dark"] input[type="email"],
html[data-theme="dark"] textarea {
  background: var(--paper-2);
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
  outline: none;
}

.hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.alert {
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  margin-bottom: 1rem;
}

.alert-ok { border-color: #2f5d3a; }
.alert-err { border-color: var(--accent); }

.site-footer {
  padding: 1.8rem 0 2.4rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.footer-inner {
  max-width: var(--measure);
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--ink);
  margin: 0 0 0.3rem;
}

.footer-note,
.footer-meta,
.footer-elsewhere {
  margin: 0 0 0.35rem;
}

.footer-elsewhere a,
.footer-note a,
.footer-meta a {
  color: var(--ink-soft);
}

.footer-elsewhere a:hover,
.footer-note a:hover,
.footer-meta a:hover {
  color: var(--accent-ink);
}

.footer-copy {
  margin: 1.1rem 0 0;
  font-size: 0.85rem;
}

.question-list {
  max-width: var(--measure);
  margin: 0 0 1.4rem;
  padding-left: 1.2rem;
}

.question-list li {
  margin-bottom: 1.1rem;
}

.question-list p {
  margin: 0 0 0.25rem;
}

.practice-also {
  margin-top: 1.4rem;
}

.page-hero {
  padding: 1.8rem 0 0.4rem;
}

.section-follow {
  padding-top: 1.2rem;
}

.page-hero .list-plain {
  margin: 0.4rem 0 0;
  max-width: var(--measure);
}

.prose {
  max-width: var(--measure);
}

.prose p { margin: 0 0 0.9rem; }

.project-list {
  display: grid;
  gap: 2.4rem;
  max-width: 44rem;
}

.project {
  padding-bottom: 2.2rem;
  border-bottom: 1px solid var(--line);
}

.project:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.project-head h2 {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 500;
  margin: 0 0 0.3rem;
}

.project .prose {
  margin-top: 0.85rem;
}

.stat-row {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0.85rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 1.8rem;
}

.stat-row li {
  display: grid;
  gap: 0.12rem;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.cv-band {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--ink);
  padding: 1.05rem 1.15rem;
  margin: 1.3rem 0;
}

.list-plain {
  margin: 0;
  padding-left: 1.1rem;
}

.list-plain li { margin-bottom: 0.4rem; }

.citation {
  font-size: 0.95rem;
  max-width: var(--measure);
}

.empty {
  color: var(--ink-soft);
}

.zoom-trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  font: inherit;
  color: inherit;
}

.zoom-trigger img {
  pointer-events: none;
}

.zoom-plus {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border: 1px solid color-mix(in srgb, var(--paper) 70%, var(--ink));
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  color: var(--ink);
  font-size: 1.2rem;
  line-height: 1;
  pointer-events: none;
  opacity: 0;
}

.zoom-trigger:hover .zoom-plus,
.zoom-trigger:focus-visible .zoom-plus {
  opacity: 1;
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.zoom-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: color-mix(in srgb, var(--ink) 72%, transparent);
}

.zoom-layer[hidden] {
  display: none;
}

.zoom-layer img {
  display: block;
  width: auto;
  height: auto;
  max-width: min(92vw, 44rem);
  max-height: 88vh;
  object-fit: contain;
  border: 1px solid var(--line);
  background: var(--paper);
}

.zoom-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid color-mix(in srgb, var(--paper) 55%, transparent);
  background: color-mix(in srgb, var(--paper) 18%, transparent);
  color: var(--paper);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

body.is-zoomed {
  overflow: hidden;
}

.featured-writing {
  max-width: 42rem;
}