:root {
  --bg: #FFFFFF;
  --bg-soft: #F5F5F0;
  --text: #0F172A;
  --text-muted: #5A6472;
  --accent: #0E7490;
  --accent-hover: #0B5A6F;
  --accent-soft: #ECFEFF;
  --line: rgba(15, 23, 42, 0.08);
  --focus: #0E7490;

  --hue-rose:  #F6C5C5;
  --hue-peach: #FCD9B0;
  --hue-butter:#FBEDBA;
  --hue-mint:  #C7E4C7;
  --hue-sky:   #C5DDF0;
  --hue-lilac: #D9C7EA;
  --rainbow: linear-gradient(
    90deg,
    var(--hue-rose) 0%,
    var(--hue-peach) 20%,
    var(--hue-butter) 40%,
    var(--hue-mint) 60%,
    var(--hue-sky) 80%,
    var(--hue-lilac) 100%
  );

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;

  --measure: 68ch;
  --container: 74rem;

  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2.5rem;
  --sp-5: 4rem;
  --sp-6: 6rem;
  --sp-7: 8rem;

  --radius: 6px;
  --radius-lg: 18px;
  --transition: 180ms ease;
}

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

html {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  background: #FFFFFF;
  position: relative;
  isolation: isolate;
}
body::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 600px;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 0%, transparent 78%, #FFFFFF 100%),
    radial-gradient(ellipse 27vw 88vh at 5% 38%,  rgba(243, 175, 175, 1.00) 0%, transparent 62%),
    radial-gradient(ellipse 21vw 92vh at 22% 42%, rgba(251, 200, 145, 0.98) 0%, transparent 68%),
    radial-gradient(ellipse 25vw 85vh at 39% 40%, rgba(249, 232, 165, 0.98) 0%, transparent 65%),
    radial-gradient(ellipse 23vw 90vh at 57% 44%, rgba(178, 214, 178, 1.00) 0%, transparent 66%),
    radial-gradient(ellipse 29vw 86vh at 76% 39%, rgba(160, 205, 235, 0.98) 0%, transparent 62%),
    radial-gradient(ellipse 22vw 89vh at 95% 41%, rgba(202, 178, 226, 0.98) 0%, transparent 68%);
}
@media (max-width: 720px) {
  body::before {
    height: 380px;
    background:
      linear-gradient(180deg, transparent 0%, transparent 32%, #FFFFFF 92%),
      radial-gradient(ellipse 34vw 210px at 5% 26%,  rgba(243, 175, 175, 0.80) 0%, transparent 76%),
      radial-gradient(ellipse 27vw 240px at 22% 24%, rgba(251, 200, 145, 0.78) 0%, transparent 80%),
      radial-gradient(ellipse 32vw 215px at 39% 27%, rgba(249, 232, 165, 0.78) 0%, transparent 76%),
      radial-gradient(ellipse 28vw 235px at 57% 23%, rgba(178, 214, 178, 0.80) 0%, transparent 78%),
      radial-gradient(ellipse 35vw 205px at 76% 26%, rgba(160, 205, 235, 0.78) 0%, transparent 76%),
      radial-gradient(ellipse 26vw 230px at 95% 24%, rgba(202, 178, 226, 0.78) 0%, transparent 80%);
  }
}

@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;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
a:hover { color: var(--accent-hover); }

:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #fff;
  transform: translateY(-120%);
  transition: transform var(--transition);
  z-index: 100;
}
.skip-link:focus { transform: translateY(0); }

/* Layout ------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-3);
}
@media (min-width: 720px) {
  .container { padding: 0 var(--sp-4); }
}

main { flex: 1 0 auto; }

/* Header ------------------------------------------------------- */
.site-header {
  padding: var(--sp-3) 0;
  background: transparent;
}
.site-header .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-3);
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.brand:hover { color: var(--text); }
.brand-role {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
}
.site-nav a {
  display: inline-block;
  padding: 0.35rem 0;
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  position: relative;
}
.site-nav a:hover { color: var(--accent); }
.site-nav a[aria-current="page"] { color: var(--accent); }
.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* Hero --------------------------------------------------------- */
.hero {
  padding: var(--sp-4) 0 var(--sp-6);
}
.hero-inner {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .hero { padding: var(--sp-5) 0 var(--sp-7); }
  .hero-inner {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--sp-6);
  }
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw + 1rem, 6rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0 0 var(--sp-3);
  font-weight: 500;
}
.hero .role {
  font-size: 1rem;
  color: var(--text-muted);
  margin: 0 0 var(--sp-3);
  letter-spacing: 0.02em;
  text-transform: none;
}
.hero .role span + span::before {
  content: "·";
  margin: 0 0.6em;
  color: var(--line);
}
.hero p.lead {
  font-size: 1.15rem;
  max-width: var(--measure);
  margin: 0 0 var(--sp-2);
  color: var(--text);
  line-height: 1.6;
}
.hero .actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}
.hero-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--bg-soft);
  box-shadow: 0 30px 60px -30px rgba(15, 23, 42, 0.25);
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (max-width: 899px) {
  .hero-photo { aspect-ratio: 4 / 3; max-width: 520px; margin: 0 auto; }
}

/* Buttons ------------------------------------------------------ */
.button {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.975rem;
  font-weight: 500;
  text-decoration: none;
  border: 1.5px solid var(--accent);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  line-height: 1.3;
}
.button.primary {
  background: var(--accent);
  color: #fff;
}
.button.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}
.button.ghost {
  background: transparent;
  color: var(--accent);
}
.button.ghost:hover {
  background: var(--accent);
  color: #fff;
}

/* Page heading ------------------------------------------------- */
.page-head {
  padding: var(--sp-5) 0 var(--sp-2);
}
@media (min-width: 900px) {
  .page-head { padding: var(--sp-6) 0 var(--sp-3); }
}
.page-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw + 1rem, 4.5rem);
  line-height: 1.05;
  margin: 0 0 var(--sp-3);
  font-weight: 500;
  letter-spacing: -0.025em;
}
.page-head p.subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: var(--measure);
  margin: 0;
  line-height: 1.5;
}

/* Sections ----------------------------------------------------- */
.section {
  padding: var(--sp-4) 0;
}
@media (min-width: 900px) {
  .section { padding: var(--sp-5) 0; }
}
.section > .container {
  max-width: 48rem;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw + 1rem, 2.5rem);
  font-weight: 500;
  margin: 0 0 var(--sp-3);
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.1;
}
.section-body {
  max-width: none;
  font-size: 1.05rem;
}
.section-body > * + * { margin-top: var(--sp-2); }
.section-body h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  margin-top: var(--sp-3);
  color: var(--text);
  letter-spacing: -0.01em;
}
.section-body h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--sp-2);
  color: var(--text);
}
.section-body p { margin: 0; }
.section-body ul {
  padding-left: 1.25rem;
  margin: 0;
}
.section-body li + li { margin-top: 0.25rem; }

/* Entries (teaching roles, achievements, presentations) --------- */
.entries {
  display: grid;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
}
.entry {
  padding: var(--sp-2) 0;
}
.entry + .entry {
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line);
}
.entry h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 0.25rem;
}
.entry .meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin: 0 0 var(--sp-2);
}
.entry p { margin: 0; }
.entry ul { margin: var(--sp-1) 0 0; padding-left: 1.25rem; }

/* Qualification list ------------------------------------------- */
.quals {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: 1fr;
  margin: 0;
}
@media (min-width: 640px) {
  .quals { grid-template-columns: repeat(2, 1fr); }
}
.qual { padding: 0; margin: 0; }
.qual dt {
  font-weight: 600;
  color: var(--text);
}
.qual dd {
  margin: 0.125rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Publications ------------------------------------------------- */
.pubs {
  display: grid;
  gap: var(--sp-3);
}
.pub + .pub {
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line);
}
.pub .authors {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 0.25rem;
}
.pub .title {
  font-weight: 500;
  margin: 0 0 0.25rem;
}
.pub .venue {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

/* Print -------------------------------------------------------- */
@media print {
  .site-header, .hero .actions, .skip-link { display: none; }
  html, body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
  .container { max-width: 100%; padding: 0; }
}