:root {
  --ink: #3c2069;
  --ink-soft: #6b5a8a;
  --rule: #ded7e8;
  --bg: #ffffff;
  /* Text sizes: change these to resize text across the whole site */
  --size-body: 1.0625rem;   /* normal paragraph text */
  --size-brand: 1.5rem;     /* your name in the header */
  --size-nav: 1.0625rem;    /* About / Research / ... links */
  --size-heading: 1.25rem;  /* section headings (Research, Teaching) */
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e6defa; --ink-soft: #b5a8d3; --rule: #3a2f57; --bg: #17111f; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  /* font-family: "Rubik", system-ui, sans-serif; */
  font-family: Georgia, "Times New Roman", serif;
  font-size: var(--size-body); line-height: 1.7;
}
a { color: var(--ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--bg); padding: 6px 10px; z-index: 10; }

header.site {
  max-width: 1120px; margin: 0 auto; padding: 28px 24px 8px;
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 32px;
}
.brand { font-weight: 500; font-size: var(--size-brand); text-decoration: none; }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 22px; }
nav a { font-size: var(--size-nav); text-decoration: none; padding: 2px 0; border-bottom: 1px solid transparent; }
nav a:hover { border-bottom-color: var(--ink); }
nav a[aria-current="page"] { border-bottom-color: var(--ink); }

main { max-width: 1120px; margin: 0 auto; padding: 40px 24px 56px; }

/* About */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about .lead { font-weight: 500; font-size: var(--size-body); margin-top: 0; }
.about img { width: 100%; height: auto; display: block; }
@media (max-width: 760px) {
  .about { grid-template-columns: 1fr; gap: 24px; }
  .about figure { order: -1; }
}

/* Research / lists */
.prose { max-width: 760px; }
.prose h2 { font-size: var(--size-heading); font-weight: 500; margin: 2.2em 0 .7em; }
.prose h2:first-child { margin-top: 0; }
.pubs { list-style: none; padding: 0; margin: 0; }
.pubs li { margin: 0 0 1.15em; font-weight: 400; }
.pubs .note { font-weight: 400; }
.courses { margin: 0 0 1.5em; padding-left: 1.2em; }
.courses li { margin: .35em 0; }
.prose h2.course-h { margin-top: 1.8em; }

/* Fieldwork grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px 24px; list-style: none; margin: 0; padding: 0; }
.grid figure { margin: 0; }
.grid button, .masonry button {
  display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; color: inherit; font: inherit;
}
.grid img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: var(--rule); }
.grid figcaption { margin-top: 10px; font-size: .98rem; line-height: 1.5; }
@media (max-width: 860px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .grid { grid-template-columns: 1fr; } }

/* Dogs masonry */
.masonry { columns: 3; column-gap: 16px; margin-top: 32px; }
.masonry figure { margin: 0 0 16px; break-inside: avoid; }
.masonry img { width: 100%; height: auto; display: block; background: var(--rule); }
@media (max-width: 860px) { .masonry { columns: 2; } }
@media (max-width: 460px) { .masonry { columns: 1; } }

/* Lightbox */
dialog.lb { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 96vh; color: #fff; overflow: visible; }
dialog.lb::backdrop { background: rgba(10, 6, 20, .88); }
.lb-inner { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.lb img { max-width: 92vw; max-height: 80vh; width: auto; height: auto; display: block; }
.lb p { margin: 0; max-width: 70ch; text-align: center; font-size: .98rem; line-height: 1.5; }
.lb-btn {
  position: fixed; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.14); color: #fff;
  border: 0; font-size: 1.8rem; width: 48px; height: 64px; cursor: pointer; border-radius: 6px;
}
.lb-btn:hover, .lb-btn:focus-visible { background: rgba(255,255,255,.3); }
.lb-prev { left: 12px; } .lb-next { right: 12px; }
.lb-close { position: fixed; top: 12px; right: 14px; background: rgba(255,255,255,.14); color: #fff; border: 0; font-size: 1.4rem; width: 44px; height: 44px; cursor: pointer; border-radius: 6px; }

footer.site { max-width: 1120px; margin: 0 auto; padding: 24px 24px 56px; border-top: 1px solid var(--rule); display: flex; gap: 20px; align-items: center; justify-content: center; font-size: .95rem; }
footer.site a { display: inline-flex; align-items: center; gap: 8px; }
footer.site svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }

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