/* ------------------------------------------------------------------
   Adrian Alsmith — site stylesheet
   One file, no build step. Colours live in the :root block; change
   them there and every page follows.

   Type: Literata (serif) for running text; Inter (sans) for the name,
   navigation, headings, labels and links. Both are self-hosted in
   assets/fonts/ under the SIL Open Font License.
   ------------------------------------------------------------------ */

@font-face {
  font-family: "Literata";
  src: url("assets/fonts/literata.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Literata";
  src: url("assets/fonts/literata-italic.woff2") format("woff2");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("assets/fonts/inter-italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

:root {
  --bg: #faf7f0;          /* page background (cream) */
  --ink: #24211c;         /* body text (warm near-black) */
  --muted: #75705f;       /* secondary text: dates, venues, captions */
  --rule: #e6e0d0;        /* hairlines */
  --accent: #34506e;      /* links (slate blue) */
  --accent-hover: #1e3149;
  --measure: 40rem;       /* max text width ≈ 70 characters */

  --serif: "Literata", Charter, "Iowan Old Style", Georgia, serif;
  --sans: "Inter", -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1a17;
    --ink: #e8e4da;
    --muted: #a39d8e;
    --rule: #36332c;
    --accent: #9fb8d6;
    --accent-hover: #c7d8ec;
  }
}

* { box-sizing: border-box; }

html { font-size: 106.25%; }  /* 17px base */

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- layout ---------------------------------------------------- */

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

header.site {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-bottom: 1rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
}

header.site .name {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

nav.main a {
  margin-left: 1.1rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
nav.main a:first-child { margin-left: 0; }
nav.main a:hover,
nav.main a[aria-current="page"] { color: var(--accent); }
nav.main a[aria-current="page"] { text-decoration: underline; text-underline-offset: 0.25em; }

footer.site {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.8rem;
}
footer.site p { margin: 0.3rem 0; }

/* ---- type ------------------------------------------------------ */

h1 {
  font-family: var(--sans);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 0 0 1.25rem;
}

h2 {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 2.75rem 0 0.9rem;
}
h2:first-of-type { margin-top: 0; }

/* one-page layout: each block of the page is a <section> with an id the
   header navigation jumps to */
main > section { margin-top: 2.75rem; }
main > section:first-child { margin-top: 0; }
main > section h2 { margin-top: 0; }
main > section { scroll-margin-top: 1.5rem; }
html { scroll-behavior: smooth; }

h3 {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 1.6rem 0 0.4rem;
}

p { margin: 0 0 1rem; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.06em;
}
a:hover { color: var(--accent-hover); }

.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

/* ---- home page ------------------------------------------------- */

.intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}
@media (min-width: 560px) {
  .intro { grid-template-columns: 1fr 9rem; }
}

.intro img.portrait {
  width: 9rem;
  height: 9rem;
  object-fit: cover;
  border-radius: 4px;
  order: -1;
}
@media (min-width: 560px) { .intro img.portrait { order: 0; } }

.contact { list-style: none; padding: 0; margin: 0 0 1rem; font-family: var(--sans); }
.contact li { margin: 0.15rem 0; }

/* ---- lists of work --------------------------------------------- */

ul.works { list-style: none; padding: 0; margin: 0; }
ul.works li { margin: 0 0 1.1rem; }
ul.works .title { font-weight: 600; }
ul.works .venue { color: var(--muted); }
ul.works .links { font-family: var(--sans); font-size: 0.8rem; white-space: nowrap; }
ul.works .links a { margin-right: 0.6rem; }
ul.works .note { display: block; color: var(--muted); font-size: 0.92rem; margin-top: 0.2rem; }

.year {
  display: block;
  font-family: var(--sans);
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  margin: 1.8rem 0 0.6rem;
}
.year:first-of-type { margin-top: 0; }

/* Research themes on the home page */
.theme { margin-bottom: 1.8rem; }
.theme h3 { margin-top: 0; }
.theme p:last-child { margin-bottom: 0; }