:root {
  --color-paper: oklch(97.5% 0.012 85);
  --color-paper-2: oklch(95% 0.018 82);
  --color-paper-3: oklch(92% 0.022 78);
  --color-rule: oklch(84% 0.014 78);
  --color-ink: oklch(22% 0.028 55);
  --color-ink-soft: oklch(42% 0.024 58);
  --color-ink-muted: oklch(46% 0.018 62);
  --color-accent: oklch(38% 0.12 28);
  --color-accent-soft: oklch(92% 0.04 28);
  --color-focus: oklch(45% 0.14 28);
  --section-accent: var(--color-accent);

  --font-display: "Fraunces", "Newsreader", ui-serif, Georgia, serif;
  --font-body: "Newsreader", ui-serif, Georgia, serif;
  --font-wordmark: "Fraunces", ui-serif, Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --text-xs: 0.64rem;
  --text-sm: 0.8rem;
  --text-base: 1rem;
  --text-md: 1.25rem;
  --text-lg: 1.5625rem;
  --text-xl: 1.9531rem;
  --text-2xl: 2.4414rem;
  --text-display: 4.5rem;
  --text-display-s: 3.25rem;

  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 6.5rem;

  --measure-prose: 62ch;
  --measure-narrow: 52ch;
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur-micro: 140ms;
  --dur-smooth: 220ms;
  --masthead-offset: 7rem;
  --shadow-soft: 0 1px 0 oklch(84% 0.014 78 / 0.6);
  --shadow-lift: 0 0.5rem 1.5rem oklch(22% 0.028 55 / 0.06);
  --focus-ring: 2px solid var(--color-focus);
  --focus-offset: 3px;
}

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

html, body {
  overflow-x: clip;
  max-width: 100%;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  font-variant-numeric: oldstyle-nums;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: oklch(38% 0.12 28 / 0.12);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--dur-micro) var(--ease-out);
}

a:hover { color: var(--color-ink); }
a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: 1px;
}

button:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

#main:focus {
  outline: none;
}

/* Masthead nav — N6 */
.masthead {
  position: relative;
  padding:
    max(var(--space-lg), env(safe-area-inset-top))
    max(var(--space-lg), env(safe-area-inset-right))
    var(--space-md)
    max(var(--space-lg), env(safe-area-inset-left));
  max-width: 80rem;
  margin: 0 auto;
}

.masthead__issue {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-block-end: var(--space-md);
  max-height: 4rem;
  opacity: 1;
  transition:
    max-height var(--dur-smooth) var(--ease-out),
    opacity var(--dur-smooth) var(--ease-out),
    margin var(--dur-smooth) var(--ease-out);
}

.masthead__wordmark {
  font-family: var(--font-wordmark);
  font-size: 3.25rem;
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0;
  line-height: 1.05;
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
  transition: font-size var(--dur-smooth) var(--ease-out);
}

.masthead__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-lg);
  margin-block-start: var(--space-lg);
  padding-block-start: var(--space-md);
  border-block-start: 1px solid var(--color-rule);
  transition:
    gap var(--dur-smooth) var(--ease-out),
    margin var(--dur-smooth) var(--ease-out),
    padding var(--dur-smooth) var(--ease-out);
}

.masthead__nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  max-width: 80rem;
  margin: 0 auto;
  padding:
    var(--space-sm)
    max(var(--space-lg), env(safe-area-inset-right))
    var(--space-sm)
    max(var(--space-lg), env(safe-area-inset-left));
  border-block-start: 1px solid var(--color-rule);
  border-block-end: 3px double var(--color-ink);
  background: oklch(97.5% 0.012 85 / 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    box-shadow var(--dur-smooth) var(--ease-out),
    border-color var(--dur-smooth) var(--ease-out);
}

.masthead__nav.site-nav.is-scrolled {
  box-shadow: var(--shadow-lift);
  border-block-end-color: var(--color-rule);
}

.masthead__nav a {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink-soft);
  min-height: 44px;
  min-width: 44px;
  padding-inline: var(--space-3xs);
  display: inline-flex;
  align-items: center;
  position: relative;
  touch-action: manipulation;
  transition: color var(--dur-micro) var(--ease-out);
}

.masthead__nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: -2px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-micro) var(--ease-out);
}

.masthead__nav a:hover::after,
.masthead__nav a:focus-visible::after,
.masthead__nav a.is-active::after {
  transform: scaleX(1);
}

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

.masthead__nav a.is-active {
  color: var(--color-ink);
  text-decoration: none;
}

.masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-start: var(--space-md);
  max-height: 6rem;
  opacity: 1;
  transition:
    max-height var(--dur-smooth) var(--ease-out),
    opacity var(--dur-smooth) var(--ease-out),
    margin var(--dur-smooth) var(--ease-out);
}

.btn--compact {
  min-height: 40px;
  padding: var(--space-2xs) var(--space-sm);
}

.btn-row--hero {
  margin-block: var(--space-lg) var(--space-xl);
}

.interest-list {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}

.interest-list li {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  padding-inline-start: var(--space-md);
  border-inline-start: 2px solid var(--section-accent, var(--color-accent));
  line-height: 1.5;
}

.identity-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  margin-block-end: var(--space-lg);
  padding-block-end: var(--space-md);
  border-block-end: 1px solid var(--color-rule);
}

.identity-links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--section-accent, var(--color-accent));
}

.pub-list__status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--section-accent, var(--color-accent));
  margin-block-end: var(--space-2xs);
}

.pub-list__authors {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2xs);
}

.pub-list__title a {
  color: inherit;
  text-decoration: none;
}

.pub-list__title a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.pub-list__venue a {
  text-decoration: none;
}

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

.footer__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
  margin: var(--space-sm) 0 0;
}

.footer__meta a {
  text-decoration: none;
}

.carousel__status {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-inline-end: auto;
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--space-md);
  inset-block-start: -100%;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-decoration: none;
}

.skip-link:focus,
.skip-link:focus-visible {
  inset-block-start: var(--space-md);
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.ornament {
  text-align: center;
  color: var(--color-ink-muted);
  font-size: var(--text-md);
  margin-block: calc(var(--space-3xl) * -0.3) var(--space-xl);
  opacity: 0.45;
  letter-spacing: 0.2em;
}

.pull-quote {
  margin: var(--space-xl) 0 0;
  padding: var(--space-md) 0 var(--space-md) var(--space-lg);
  border-inline-start: 3px solid var(--section-accent, var(--color-accent));
  max-width: var(--measure-prose);
}

.glance {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md) var(--space-lg);
  margin: 0 0 var(--space-xl);
  padding: var(--space-md) 0;
  border-block: 1px solid var(--color-rule);
}

.glance__item {
  margin: 0;
  min-width: 0;
}

.glance__value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  font-variant-numeric: lining-nums;
  line-height: 1;
  letter-spacing: 0;
  color: var(--section-accent, var(--color-accent));
  margin: 0 0 var(--space-2xs);
}

.glance__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0;
  line-height: 1.4;
}

.pull-quote p {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3125rem;
  line-height: 1.55;
  color: var(--color-ink-soft);
  letter-spacing: 0;
}

.portrait {
  position: relative;
  margin: 0 0 var(--space-xl);
  aspect-ratio: 1;
  max-width: 20rem;
  padding: var(--space-sm);
  overflow: hidden;
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: 0.5rem;
  box-shadow:
    inset 0 0 0 1px oklch(97.5% 0.012 85),
    var(--shadow-lift);
}

.portrait::before {
  content: "";
  position: absolute;
  inset: var(--space-sm);
  border: 1px solid var(--color-rule);
  border-radius: 0.375rem;
  pointer-events: none;
  z-index: 1;
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 0.375rem;
  filter: contrast(1.02) saturate(0.96);
}

.portrait img[hidden] { display: none; }

.portrait__fallback {
  width: 100%;
  height: 100%;
  display: grid;
  place-content: center;
  gap: var(--space-sm);
  text-align: center;
  padding: var(--space-md);
  border-radius: 0.375rem;
}

.portrait__fallback[hidden] { display: none; }

.portrait__initials {
  font-family: var(--font-display);
  font-size: var(--text-3xl, 3rem);
  font-weight: 700;
  font-style: italic;
  color: var(--section-accent, var(--color-accent));
  line-height: 1;
}

.portrait__hint {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.portrait__hint code {
  font-family: inherit;
  font-size: inherit;
}

.split__proof--hero {
  padding: var(--space-lg);
  background:
    linear-gradient(180deg, var(--color-paper-2) 0%, oklch(95.5% 0.016 82) 100%);
}

.split__proof--flush {
  padding: var(--space-md);
  overflow: hidden;
}

.panel__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: 0;
  margin: 0 0 var(--space-md);
  padding-block-end: var(--space-xs);
  border-block-end: 1px solid var(--color-rule);
}

.panel__title:not(:first-child) {
  margin-block-start: var(--space-xl);
}

.panel__title--inline {
  margin-block-start: var(--space-lg);
}

.panel__title + .awards,
.panel__title + .lang-list {
  margin-block-end: var(--space-lg);
}

.lang-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2xs);
}

.lang-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: var(--text-sm);
  padding-block-end: var(--space-2xs);
  border-block-end: 1px solid var(--color-rule);
}

.lang-list li span:last-child {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.carousel {
  position: relative;
}

.carousel::after {
  content: "";
  position: absolute;
  inset-block: var(--space-2xl) 0;
  inset-inline-end: 0;
  width: 2.5rem;
  background: linear-gradient(to left, var(--color-paper-2), transparent);
  pointer-events: none;
  z-index: 1;
}

.carousel__controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-2xs);
  margin-block-end: var(--space-md);
}

.carousel__btn {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-md);
  line-height: 1;
  cursor: pointer;
  transition:
    background var(--dur-micro) var(--ease-out),
    color var(--dur-micro) var(--ease-out),
    border-color var(--dur-micro) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.carousel__btn:hover {
  background: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

.carousel__btn:active {
  transform: scale(0.97);
}

.carousel__btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

.service-grid {
  display: grid;
  gap: var(--space-md);
}

.service-item {
  padding-block-end: var(--space-md);
  border-block-end: 1px solid var(--color-rule);
  transition: padding-inline-start var(--dur-micro) var(--ease-out);
}

.service-item:hover {
  padding-inline-start: var(--space-2xs);
}

.service-item:last-child {
  border: none;
  padding: 0;
}

.service-item__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2xs);
}

.service-item__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  margin: 0 0 var(--space-2xs);
}

.service-item__org {
  font-size: var(--text-sm);
  color: var(--section-accent, var(--color-accent));
  margin: 0 0 var(--space-sm);
}

.service-item__org a { text-decoration: none; }

.service-item__desc {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin: 0;
  line-height: 1.55;
}

.full-block {
  margin-block-end: var(--space-3xl);
  scroll-margin-top: var(--masthead-offset);
}

.full-block__head {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  font-style: italic;
  line-height: 1.15;
  letter-spacing: 0;
  margin: 0 0 var(--space-lg);
  overflow-wrap: anywhere;
  min-width: 0;
  text-wrap: balance;
}

.table-wrap {
  overflow-x: auto;
  max-width: 100%;
  border: 1px solid var(--color-rule);
  background: var(--color-paper-2);
  box-shadow: var(--shadow-soft);
  -webkit-overflow-scrolling: touch;
}

.table-wrap:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

.career-table tbody tr {
  transition: background var(--dur-micro) var(--ease-out);
}

.career-table tbody tr:hover {
  background: var(--color-paper-3);
}

.career-table tbody tr:focus-within {
  background: var(--color-accent-soft);
  outline: none;
}

.career-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  min-width: 36rem;
}

.career-table thead th {
  text-align: start;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  font-weight: 400;
  border-block-end: 2px solid var(--color-rule);
  background: var(--color-paper-3);
  position: sticky;
  top: 0;
  z-index: 1;
}

.career-table tbody td {
  padding: var(--space-md);
  border-block-end: 1px solid var(--color-rule);
  vertical-align: top;
  color: var(--color-ink-soft);
}

.career-table tbody tr:last-child td { border: none; }

.career-table td:first-child {
  font-family: var(--font-mono);
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.career-table td:nth-child(2) {
  font-weight: 500;
  color: var(--color-ink);
}

.career-table a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-block: var(--space-2xs);
  text-decoration: none;
}
.career-table a:hover { text-decoration: underline; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-start: var(--space-lg);
}

.btn--quiet {
  border-color: var(--color-rule);
  color: var(--color-ink-soft);
}

.btn--quiet:hover {
  background: var(--color-paper-3);
  color: var(--color-ink);
}

.appearances {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 0;
  display: grid;
  gap: var(--space-sm);
}

.appearances li {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  padding-inline-start: var(--space-md);
  border-inline-start: 2px solid var(--color-rule);
  line-height: 1.5;
}

.media-strip {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-block: var(--space-2xs) var(--space-md);
  scroll-padding-inline: var(--space-xs);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-rule) transparent;
}

.media-strip::-webkit-scrollbar,
.cert-strip::-webkit-scrollbar {
  height: 4px;
}

.media-strip::-webkit-scrollbar-thumb,
.cert-strip::-webkit-scrollbar-thumb {
  background: var(--color-rule);
  border-radius: 2px;
}

.media-strip .media-card {
  flex: 0 0 min(18.5rem, 84vw);
  scroll-snap-align: start;
}

.media-card__type {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--section-accent, var(--color-accent));
  margin: 0 0 var(--space-sm);
}

.contact-row__value code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

#home,
#about,
#contact {
  --section-accent: var(--color-accent);
}

#certifications {
  --section-accent: oklch(38% 0.09 215);
}

#leadership,
#community {
  --section-accent: oklch(40% 0.1 310);
}

#industry {
  --section-accent: oklch(40% 0.09 145);
}

#teaching {
  --section-accent: oklch(39% 0.09 250);
}

#research {
  --section-accent: oklch(36% 0.08 190);
}

#engagement {
  --section-accent: oklch(40% 0.09 330);
}

/* Split Studio layout */
.page {
  max-width: 80rem;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(var(--space-lg), 4vw, var(--space-2xl));
  align-items: start;
  margin-block-end: var(--space-3xl);
  scroll-margin-top: var(--masthead-offset);
}

.split--reverse .split__text { order: 2; }
.split--reverse .split__proof { order: 1; }

.split__text { min-width: 0; }

.split__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--section-accent, var(--color-accent));
  margin: 0 0 var(--space-sm);
}

.split__head {
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  font-weight: 600;
  font-style: italic;
  line-height: 1.1;
  letter-spacing: 0;
  margin: 0 0 var(--space-lg);
  overflow-wrap: anywhere;
  min-width: 0;
  text-wrap: balance;
}

.split__head--hero {
  font-size: var(--text-display);
  font-style: normal;
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0;
}

.split__thesis {
  max-width: var(--measure-narrow);
  margin: calc(var(--space-sm) * -0.25) 0 var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--text-display-s);
  font-weight: 700;
  line-height: 1.08;
  color: var(--color-ink);
}

.split__lede {
  font-size: var(--text-md);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: var(--measure-narrow);
  margin: 0 0 var(--space-xl);
  font-weight: 500;
}

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

.split__body > p:first-child {
  font-size: 1.0625rem;
  line-height: 1.68;
}

.split__body p { margin: 0 0 var(--space-md); }
.split__body p:last-child { margin-block-end: 0; }

.split__proof {
  min-width: 0;
  background: var(--color-paper-2);
  border: 1px solid color-mix(in oklch, var(--section-accent, var(--color-accent)) 18%, var(--color-rule));
  padding: clamp(var(--space-md), 2.5vw, var(--space-lg));
  box-shadow: var(--shadow-soft);
}

/* Credential panel */
.cred-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-md);
}

.cred-list li {
  display: grid;
  gap: var(--space-3xs);
  padding-block-end: var(--space-md);
  border-block-end: 1px solid var(--color-rule);
}

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

.cred-list__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.cred-list__value {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-ink);
}

.cred-list__sub {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* Tag chips */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin-block-start: var(--space-md);
}

.tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-2xs) var(--space-sm);
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
  color: var(--color-ink-soft);
  transition:
    background var(--dur-micro) var(--ease-out),
    border-color var(--dur-micro) var(--ease-out),
    color var(--dur-micro) var(--ease-out);
}

.tag:hover {
  background: var(--color-accent-soft);
  border-color: oklch(88% 0.03 28);
  color: var(--color-ink);
}

/* Cert carousel strip */
.cert-strip {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-block: var(--space-2xs) var(--space-md);
  scroll-padding-inline: var(--space-xs);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--color-rule) transparent;
}

.cert-card {
  flex: 0 0 min(16.5rem, 80vw);
  scroll-snap-align: start;
  padding: var(--space-md) var(--space-md) var(--space-lg);
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
  min-height: 9rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition:
    border-color var(--dur-micro) var(--ease-out),
    box-shadow var(--dur-micro) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.cert-card:hover {
  border-color: oklch(78% 0.02 78);
  box-shadow: var(--shadow-lift);
}

.cert-card:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent-soft);
}

.cert-card__abbr {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--section-accent, var(--color-accent));
  font-variant-numeric: tabular-nums;
}

.cert-card__name {
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-ink);
  margin-block-start: var(--space-sm);
}

.cert-card__org {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin-block-start: var(--space-xs);
}

/* Experience entries */
.entry {
  padding-block-end: var(--space-lg);
  margin-block-end: var(--space-lg);
  border-block-end: 1px solid var(--color-rule);
}

.entry:last-child {
  border: none;
  margin: 0;
  padding: 0;
}

.entry__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-block-end: var(--space-2xs);
}

.entry__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0 0 var(--space-2xs);
  line-height: 1.2;
}

.entry__org {
  font-size: var(--text-sm);
  color: var(--section-accent, var(--color-accent));
  margin: 0 0 var(--space-sm);
}

.entry__org a { text-decoration: none; }
.entry__org a:hover { text-decoration: underline; }

.entry__desc {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin: 0;
  line-height: 1.55;
}

.entry__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--space-2xs);
  margin-block-start: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--section-accent, var(--color-accent));
}

/* Teaching grid */
.teach-grid {
  display: grid;
  gap: var(--space-md);
}

.teach-item {
  padding-block-end: var(--space-md);
  border-block-end: 1px solid var(--color-rule);
}

.teach-item:last-child { border: none; }

.teach-item__school {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  margin: 0 0 var(--space-2xs);
}

.teach-item__role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-block-end: var(--space-sm);
}

.teach-item__courses {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin: 0;
  line-height: 1.5;
}

/* Publications */
.pub-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-md);
}

.pub-list li {
  padding-block-end: var(--space-md);
  border-block-end: 1px solid var(--color-rule);
}

.pub-list li:last-child { border: none; }

.pub-list__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  font-style: italic;
  line-height: 1.3;
  margin: 0 0 var(--space-2xs);
}

.pub-list__venue {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* Media / engagement cards */
.media-grid {
  display: grid;
  gap: var(--space-md);
}

.media-card {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition:
    border-color var(--dur-micro) var(--ease-out),
    box-shadow var(--dur-micro) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.media-card:hover {
  border-color: oklch(78% 0.02 78);
  box-shadow: var(--shadow-lift);
}

.media-card:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent-soft);
}

.media-card .btn {
  margin-block-start: auto;
  align-self: flex-start;
}

.media-card__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 var(--space-sm);
}

.media-card__desc {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-md);
  line-height: 1.5;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: var(--space-2xs) var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink);
  border: 1px solid var(--color-ink);
  background: transparent;
  touch-action: manipulation;
  cursor: pointer;
  transition: background var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out);
}

.btn:hover {
  background: var(--color-ink);
  color: var(--color-paper);
}

.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.btn:focus:not(:focus-visible) {
  outline: none;
}

/* Awards sidebar */
.awards {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-sm);
}

.awards li {
  font-size: var(--text-sm);
  padding-inline-start: var(--space-md);
  border-inline-start: 2px solid var(--section-accent, var(--color-accent));
  color: var(--color-ink-soft);
}

/* Contact block */
.contact-rows {
  display: grid;
  gap: var(--space-md);
}

.contact-row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--space-md);
  align-items: baseline;
  padding-block-end: var(--space-md);
  border-block-end: 1px solid var(--color-rule);
}

.contact-row:last-child { border: none; }

.contact-row__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.contact-row__value {
  font-size: var(--text-md);
  overflow-wrap: anywhere;
  min-width: 0;
}

.contact-row__value a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-block: var(--space-2xs);
  text-decoration: none;
}
.contact-row__value a:hover { text-decoration: underline; }

/* Footer — Ft1 */
.footer {
  max-width: 80rem;
  margin: 0 auto;
  padding:
    var(--space-xl)
    max(var(--space-lg), env(safe-area-inset-right))
    max(var(--space-2xl), env(safe-area-inset-bottom))
    max(var(--space-lg), env(safe-area-inset-left));
  border-block-start: 3px double var(--color-ink);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
}

.footer__wordmark {
  font-family: var(--font-wordmark);
  font-size: var(--text-lg);
  font-style: italic;
  font-weight: 600;
  margin: 0;
}

.footer__tagline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: var(--space-2xs) 0 0;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding-inline: var(--space-2xs);
}

.footer__links a:focus-visible {
  color: var(--color-accent);
}

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

/* Fade-up reveal */
@media (prefers-reduced-motion: no-preference) {
  .split {
    animation: fadeUp 0.7s var(--ease-out) both;
  }

  .split:nth-of-type(2) { animation-delay: 0.08s; }
  .split:nth-of-type(3) { animation-delay: 0.12s; }
  .split:nth-of-type(4) { animation-delay: 0.16s; }
  .split:nth-of-type(5) { animation-delay: 0.2s; }
  .split:nth-of-type(6) { animation-delay: 0.24s; }
  .split:nth-of-type(7) { animation-delay: 0.28s; }
  .split:nth-of-type(8) { animation-delay: 0.32s; }
  .split:nth-of-type(9) { animation-delay: 0.36s; }
  .split:nth-of-type(10) { animation-delay: 0.4s; }

  .full-block {
    animation: fadeUp 0.7s var(--ease-out) 0.22s both;
  }

  .cert-card:hover,
  .media-card:hover {
    transform: translateY(-1px);
  }

  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(1.25rem);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .cert-card:hover,
  .media-card:hover,
  .carousel__btn:active {
    transform: none;
  }
}

/* Responsive */
@media (max-width: 768px) {
  :root {
    --masthead-offset: 1rem;
    --text-display: 3.5rem;
    --text-display-s: 2.65rem;
  }

  .split {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-xl);
    margin-block-end: var(--space-2xl);
  }

  .split--reverse .split__text,
  .split--reverse .split__proof {
    order: unset;
  }

  .split__head--hero {
    font-size: var(--text-display);
  }

  .portrait {
    max-width: none;
    margin-inline: auto;
    width: min(100%, 20rem);
  }

  .masthead {
    position: relative;
    top: auto;
    padding-block: max(var(--space-md), env(safe-area-inset-top)) var(--space-sm);
    padding-inline: max(var(--space-md), env(safe-area-inset-left)) max(var(--space-md), env(safe-area-inset-right));
  }

  .masthead__nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    gap: var(--space-xs) var(--space-md);
    margin-block-start: var(--space-md);
    padding-block-start: var(--space-sm);
    padding-block-end: var(--space-2xs);
    margin-inline: calc(var(--space-md) * -1);
    padding-inline: var(--space-md);
  }

  .masthead__nav.site-nav {
    position: static;
    flex-wrap: wrap;
    overflow-x: visible;
    scroll-snap-type: none;
    margin: 0 auto;
    padding-block: var(--space-sm) var(--space-2xs);
    padding-inline: max(var(--space-md), env(safe-area-inset-left)) max(var(--space-md), env(safe-area-inset-right));
  }

  .masthead__nav.site-nav a {
    flex: 0 1 auto;
    scroll-snap-align: none;
  }

  .masthead__nav::-webkit-scrollbar {
    display: none;
  }

  .masthead__nav a {
    flex: 0 0 auto;
    scroll-snap-align: start;
    font-size: var(--text-xs);
    min-height: 44px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: var(--space-2xs);
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .carousel::after {
    display: none;
  }
}

@media (max-width: 414px) {
  :root {
    --text-display: 3rem;
    --text-display-s: 2.25rem;
  }

  .page {
    padding-inline: var(--space-md);
    padding-block-start: var(--space-xl);
  }

  .masthead {
    padding-inline: var(--space-md);
  }

  .masthead__wordmark {
    font-size: 2.25rem;
  }

  .footer {
    padding-inline: var(--space-md);
  }

  .split__lede {
    font-size: 1.125rem;
  }

  .pull-quote {
    padding-inline-start: var(--space-md);
  }

  .pull-quote p {
    font-size: 1.125rem;
  }

  .glance__value {
    font-size: 2rem;
  }

  .glance {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
}

@media (max-width: 375px) {
  .masthead__issue {
    font-size: 0.6rem;
    letter-spacing: 0.08em;
  }

  .masthead__wordmark {
    font-size: 2rem;
  }

  .masthead__nav {
    gap: var(--space-2xs) var(--space-sm);
  }

  .cert-card,
  .media-strip .media-card {
    flex: 0 0 min(15rem, calc(100vw - 2 * var(--space-sm) - 2 * var(--space-lg) - 2px));
  }
}

@media (max-width: 320px) {
  :root {
    --text-display: 2.5rem;
    --text-display-s: 2rem;
  }

  .page {
    padding-inline: var(--space-sm);
  }

  .masthead,
  .footer {
    padding-inline: var(--space-sm);
  }

  .split__head {
    letter-spacing: 0;
  }

  .btn-row {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-row .btn {
    width: 100%;
  }

  .masthead__actions {
    margin-block-start: var(--space-sm);
  }

  .masthead__actions .btn {
    flex: 1 1 auto;
  }
}

@media print {
  .masthead,
  .masthead__actions,
  .skip-link,
  .carousel__controls,
  .ornament,
  .btn-row,
  .footer__links {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
    line-height: 1.45;
  }

  .page {
    padding: 0;
    max-width: none;
  }

  .split {
    display: block;
    margin-block-end: 1.5rem;
    animation: none;
    page-break-inside: avoid;
  }

  .split__proof {
    border: 1px solid #ccc;
    background: #fff;
    box-shadow: none;
    margin-block-start: 1rem;
  }

  a[href^="http"]::after,
  a[href^="mailto"]::after {
    content: " (" attr(href) ")";
    font-size: 9pt;
    color: #444;
    word-break: break-all;
  }

  a[href^="#"]::after {
    content: "";
  }

  @page {
    margin: 2cm;
  }
}