@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Lora:wght@400;500;600&display=swap');

:root {
  --paper: #f6f1ea;
  --paper-2: #efe8de;
  --ink: #181715;
  --muted: #625e59;
  --accent: #5a2326;
  --accent-dark: #45191c;
  --display: 'Lora', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --page: 1080px;
  --gutter: clamp(1.25rem, 4vw, 3.25rem);
  --header: 3.6rem;
  --ease: 180ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.52;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
::selection { background: rgba(90, 35, 38, .14); }

.skip-link {
  position: fixed;
  z-index: 9999;
  top: .6rem;
  left: .6rem;
  transform: translateY(-160%);
  padding: .55rem .8rem;
  background: var(--ink);
  color: #fff;
  transition: transform var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.site-shell {
  width: min(100%, var(--page));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.narrow { width: min(100%, 760px); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header);
  background: rgba(246, 241, 234, .96);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 100%;
}
.site-name {
  justify-self: start;
  font-family: var(--display);
  font-size: .98rem;
  font-weight: 600;
  letter-spacing: -.02em;
  text-decoration: none;
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1.15rem, 2vw, 2rem);
}
.nav-link {
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .065em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--ease);
}
.nav-link:hover,
.nav-link[aria-current='page'] { color: var(--accent); }
.header-contact {
  justify-self: end;
  color: var(--muted);
  font-size: .72rem;
  text-decoration: none;
}
.menu-button { display: none; }

.hero { padding-block: clamp(2.8rem, 6vw, 5rem) clamp(2.2rem, 4vw, 3.5rem); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(190px, .55fr);
  gap: clamp(2.2rem, 6vw, 5.5rem);
  align-items: center;
}
.hero-copy { max-width: 670px; }
.hero-title,
.page-title,
.card-title,
.course-title {
  margin: 0;
  font-family: var(--display);
  color: var(--ink);
  letter-spacing: -.03em;
}
.hero-title {
  font-size: clamp(1.6rem, 2.4vw, 1.95rem);
  font-weight: 600;
  line-height: 1.08;
}
.hero-role {
  margin: .5rem 0 0;
  color: var(--muted);
  font-size: .95rem;
  font-weight: 400;
}
.hero-lede {
  max-width: 650px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  line-height: 1.6;
}
.hero-photo-wrap {
  justify-self: end;
  width: min(100%, 245px);
}
.hero-photo {
  display: block;
  width: 100%;
  height: auto;
}

.compact-section { padding-block: 1.4rem 3.2rem; }
.section { padding-block: 1.2rem 3.4rem; }
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 6vw, 5rem);
}
.compact-heading {
  margin: 0;
  font-family: var(--display);
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -.02em;
}
.meta-list { margin: .9rem 0 0; padding: 0; list-style: none; }
.meta-item {
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: .85rem;
  padding-block: .42rem;
}
.meta-date { color: var(--muted); font-size: .71rem; }
.meta-title { font-family: var(--display); font-size: .9rem; font-weight: 500; line-height: 1.35; }
.meta-sub { margin-top: .08rem; color: var(--muted); font-size: .76rem; }

.page-hero { padding-block: clamp(2.8rem, 5vw, 4.3rem) 1.2rem; }
.page-title {
  max-width: 22ch;
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 600;
  line-height: 1.05;
}
.page-intro {
  max-width: 720px;
  margin: .9rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.15vw, 1.08rem);
  line-height: 1.6;
}

.publication-list,
.organized-list { margin-top: .3rem; }
.publication {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  padding-block: .8rem;
}
.publication-year { color: var(--muted); font-size: .7rem; }
.publication-title {
  margin: 0;
  font-family: var(--display);
  font-size: 1.03rem;
  font-weight: 500;
  line-height: 1.35;
}
.publication-authors,
.publication-venue { margin: .24rem 0 0; color: var(--muted); font-size: .76rem; }
.publication-link {
  color: var(--accent);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .055em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.organized-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: 1.25rem;
}
.organized-meta { color: var(--muted); font-size: .7rem; line-height: 1.55; }
.organized-meta strong {
  display: block;
  margin-bottom: .2rem;
  color: var(--accent);
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .065em;
  text-transform: uppercase;
}
.card-title {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 500;
  line-height: 1.25;
}
.organized-body p {
  max-width: 720px;
  margin: .5rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}
.text-link {
  display: inline-block;
  margin-top: .55rem;
  color: var(--accent);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .055em;
  text-decoration: none;
  text-transform: uppercase;
}
.text-link::after { content: '  →'; }

/* ESSLLI course page: compact, simple, and consistent with the main site. */
.course-hero { padding-block: clamp(2.8rem, 5vw, 4.4rem) 1.4rem; }
.course-kicker {
  margin: 0 0 .55rem;
  color: var(--accent);
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.course-title {
  max-width: 18ch;
  font-size: clamp(1.85rem, 3.2vw, 2.5rem);
  font-weight: 600;
  line-height: 1.05;
}
.course-subtitle { max-width: 760px; margin: .85rem 0 0; color: var(--muted); font-size: 1rem; line-height: 1.6; }
.course-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 1.6rem; }
.course-fact { padding-top: 0; }
.course-fact span { display: block; color: var(--muted); font-size: .62rem; letter-spacing: .065em; text-transform: uppercase; }
.course-fact strong { display: block; margin-top: .18rem; font-family: var(--display); font-size: .9rem; font-weight: 500; }
.people-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-top: 1.2rem; }
.person-card { padding: .4rem 0; }
.person-card strong { font-family: var(--display); font-size: .9rem; font-weight: 500; }
.person-card span { display: block; margin-top: .1rem; color: var(--muted); font-size: .7rem; }
.note-box { margin-top: 1.2rem; padding: .9rem 1rem; background: var(--paper-2); color: var(--muted); font-size: .78rem; }

/* Legacy utility classes retained for the ESSLLI page. */
.eyebrow,
.section-label {
  margin: 0;
  color: var(--accent);
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.section-heading {
  display: grid;
  grid-template-columns: minmax(170px, .55fr) minmax(0, 1.45fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}
.section-title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  font-weight: 600;
  letter-spacing: -.03em;
  line-height: 1.08;
}
.section-copy { max-width: 720px; }
.section-copy p { margin: 0; color: var(--muted); font-size: 1rem; line-height: 1.6; }
.section-copy p + p { margin-top: .7rem; }
.section-copy .large-copy { font-family: var(--display); font-size: clamp(1.05rem, 1.2vw, 1.12rem); line-height: 1.5; letter-spacing: -.015em; }

.site-footer { padding-block: 1.5rem 2rem; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
  color: var(--muted);
  font-size: .68rem;
}
.footer-links { display: flex; gap: 1rem; }
.footer-links a { text-decoration: none; }

@media (max-width: 820px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .header-contact { display: none; }
  .menu-button {
    display: block;
    width: 2.5rem;
    height: 2.5rem;
    border: 0;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
  }
  .menu-button span,
  .menu-button::before,
  .menu-button::after {
    display: block;
    width: 1.25rem;
    height: 1px;
    margin: .28rem auto;
    content: '';
    background: currentColor;
    transition: transform var(--ease), opacity var(--ease);
  }
  .menu-button[aria-expanded='true'] span { opacity: 0; }
  .menu-button[aria-expanded='true']::before { transform: translateY(.28rem) rotate(45deg); }
  .menu-button[aria-expanded='true']::after { transform: translateY(-.28rem) rotate(-45deg); }
  .site-nav {
    position: fixed;
    inset: var(--header) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.4rem var(--gutter) 1.6rem;
    background: var(--paper);
  }
  .site-nav.is-open { display: flex; }
  .nav-link { font-size: .78rem; }

  .hero-grid { grid-template-columns: minmax(0, 1fr) 190px; gap: 2rem; }
  .hero-photo-wrap { width: 180px; }
  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  .section-heading { grid-template-columns: 1fr; gap: 1rem; }
  .people-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  :root { --gutter: 1.2rem; --header: 3.5rem; }
  body { font-size: 16px; }
  .hero { padding-block: 2rem 1.6rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 1.35rem; }
  .hero-photo-wrap { justify-self: start; width: 155px; order: -1; }
  .hero-title { font-size: 1.55rem; }
  .page-title { font-size: 1.75rem; }
  .meta-item { grid-template-columns: 88px 1fr; gap: .7rem; }
  .publication { grid-template-columns: 52px minmax(0, 1fr); gap: .7rem; }
  .publication-link { grid-column: 2; margin-top: .1rem; }
  .organized-item { grid-template-columns: 1fr; gap: .45rem; padding-block: 1rem; }
  .course-facts { grid-template-columns: 1fr; }
  .people-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: .55rem; }
}


.material-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .28rem;
  margin: .75rem 0 1rem;
}
.material-links .text-link {
  margin-top: 0;
  white-space: nowrap;
}