/* ------------------------------------------------------------------
   Peter Ormerod — personal site
   Palette : ink #252525 · paper #F5F3EE · blue #006794
   Type    : DM Sans (everything) · DM Mono (metadata, labels, numbers)
   Layout  : asymmetric two-column grid — a narrow left rail carries
             ordinals, years and tags; the wide right column carries
             the content. Echoes the hanging dates in the printed CV.
   ------------------------------------------------------------------ */

@font-face {
  font-family: "DM Sans";
  src: url("fonts/DMSans-Roman-VF.woff2") format("woff2-variations"),
       url("fonts/DMSans-Roman-VF.woff2") format("woff2");
  font-weight: 100 1000; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "DM Sans";
  src: url("fonts/DMSans-Italic-VF.woff2") format("woff2-variations"),
       url("fonts/DMSans-Italic-VF.woff2") format("woff2");
  font-weight: 100 1000; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "DM Mono";
  src: url("fonts/DMMono-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "DM Mono";
  src: url("fonts/DMMono-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Alegreya";
  src: url("fonts/Alegreya-Roman-VF.woff2") format("woff2-variations"),
       url("fonts/Alegreya-Roman-VF.woff2") format("woff2");
  font-weight: 400 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Alegreya";
  src: url("fonts/Alegreya-Italic-VF.woff2") format("woff2-variations"),
       url("fonts/Alegreya-Italic-VF.woff2") format("woff2");
  font-weight: 400 900; font-style: italic; font-display: swap;
}

:root {
  --ink:     #252525;
  --paper:   #F5F3EE;
  --blue:    #006794;
  --muted:   #7d776c;
  --rule:    #ddd8cd;
  --rule-hi: #c9c3b6;
  --wash:    rgba(37,37,37,.035);

  --sans:  "DM Sans", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono:  "DM Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --serif: "Alegreya", "Iowan Old Style", Palatino, Georgia, serif;

  --measure: 36rem;
  --rail:    7.5rem;         /* left rail width */
  --railgap: 2.9rem;
  --headgap: 3.9rem;        /* big heading -> first hairline, every page */
  --lab:     5.5rem;
  --alab:    5.75rem;       /* the same, in the narrow right column */         /* right-aligned label column, as in the CV */
  --gutter:  clamp(1.25rem, 5vw, 4.5rem);
  --maxw:    64rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:     #F0EEE8;
    --paper:   #1E1E1D;
    --blue:    #6FC0E4;
    --muted:   #918a7e;
    --rule:    #363532;
    --rule-hi: #4a4844;
    --wash:    rgba(240,238,232,.04);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.93rem + 0.3vw, 1.125rem);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
}

/* ---------- links ---------- */

a { color: var(--blue); text-decoration: none; border-bottom: 1px solid currentColor; opacity: 1; }
a:hover { color: var(--ink); }
a:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 2px; }

/* ---------- shell ---------- */

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter) 6rem; }

/* every hairline on the site is exactly this width */
.masthead {
  position: sticky; top: 0; z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  padding: 1.1rem 0;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .6rem 2rem;
}
.masthead .sig {
  font-weight: 700; font-size: 1.1875rem; letter-spacing: -0.025em;
  color: var(--ink); border: 0; margin-right: auto;
  line-height: 1; align-self: baseline;
}
.masthead nav { display: flex; flex-wrap: wrap; align-items: baseline; gap: 1.35rem; line-height: 1; }
.masthead nav a {
  font-family: var(--mono); font-size: .6875rem; font-weight: 400;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); border: 0; padding-bottom: 1px;
}
.masthead nav a:hover { color: var(--ink); }
.masthead nav a[aria-current="page"] { color: var(--ink); box-shadow: 0 1px 0 0 var(--ink); }

/* ---------- the grid ---------- */

.grid { display: grid; grid-template-columns: minmax(0,1fr); gap: .5rem 0; }
@media (min-width: 54rem) {
  .grid { grid-template-columns: var(--rail) minmax(0,1fr); gap: 0 var(--railgap); }
  .grid > .rail { grid-column: 1; text-align: right; }   /* right-aligned label, as in the CV */
  .grid > .body { grid-column: 2; }
}

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

h1.display {
  font-weight: 700;
  font-size: clamp(2.5rem, 0.9rem + 7.2vw, 6rem);
  line-height: .94;
  letter-spacing: -0.042em;
  margin: clamp(2.5rem, 7vw, 5rem) 0 0;
  max-width: 14ch;
}

h2.section {
  font-weight: 700; font-size: 1.0625rem; letter-spacing: -0.015em;
  margin: 0 0 .85rem;
}

.meta {
  font-family: var(--mono); font-size: .6875rem; font-weight: 400;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
  line-height: 1.45; margin: 0;
}
.meta.hi { color: var(--ink); font-weight: 500; }

.rule { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0; }
.rule.tight { margin: 1.75rem 0; }

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

.lede {
  font-family: var(--sans); font-weight: 400;
  font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  line-height: 1.28; letter-spacing: -0.022em;
  margin: 1.5rem 0 0; color: var(--ink);
}
.lede span { display: block; }

.home { margin-top: clamp(2.5rem, 6vw, 4rem); }
.home-cols { display: grid; grid-template-columns: minmax(0,1fr); gap: 2.5rem; }
@media (min-width: 54rem) {
  .home-cols { grid-template-columns: minmax(0,1fr) 19rem; gap: 0 clamp(2.5rem, 5vw, 4.5rem); align-items: start; }
}

/* the biography is set in Alegreya */
.bio {
  font-family: var(--serif);
  font-size: 1.1875rem; line-height: 1.5; letter-spacing: 0;
  font-feature-settings: "onum" 1, "kern" 1, "liga" 1;
}
.bio p { max-width: var(--measure); margin: 0 0 .95em; }
.bio p:last-child { margin-bottom: 0; }

.aside { display: flex; flex-direction: column; gap: 1.5rem; }
.portrait { margin: 0; }
.portrait img { width: 100%; height: auto; display: block; }

.block + .block { border-top: 1px solid var(--rule); padding-top: 1rem; }

/* right-aligned label, gap, left-aligned text — the CV pattern */
.rows { margin: 0; display: grid; grid-template-columns: var(--lab) minmax(0,1fr);
        gap: .55rem 1.6rem; align-items: baseline; }
.rows dt { text-align: right; }
.aside .rows { grid-template-columns: var(--alab) minmax(0,1fr); gap: .5rem 1.45rem; }
.aside .section { width: var(--alab); text-align: right; }   /* heading sits on the label column */
.rows dd { margin: 0; min-width: 0; overflow-wrap: anywhere; font-size: .9375rem; }

/* ---------- research ---------- */

.works { list-style: none; margin: var(--headgap) 0 0; padding: 0; }
.toolbar + .works { margin-top: .55rem; }   /* research: the toolbar fills the gap */

.work {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0 1.4rem;
  display: grid; grid-template-columns: minmax(0,1fr); row-gap: .7rem;
}
.work:hover { background: var(--wash); }
.work h3 {
  font-weight: 700; font-size: clamp(1.125rem, 1rem + .55vw, 1.4375rem);
  line-height: 1.18; letter-spacing: -0.027em;
  margin: 0; max-width: var(--measure);
}

@media (min-width: 54rem) {
  .work {
    grid-template-columns: var(--rail) minmax(0,1fr);
    column-gap: var(--railgap); row-gap: .7rem;
    align-items: baseline;             /* year sits on the title's baseline,
                                          type on the citation's */
  }
  .work > .yr   { grid-column: 1; grid-row: 1; text-align: right; align-self: end; }
                                     /* bottom of the last title line, so the
                                        gap down to the type label never varies */
  .work > h3    { grid-column: 2; grid-row: 1; }
  .work > .tag  { grid-column: 1; grid-row: 2; text-align: right; }
  .work > .cite { grid-column: 2; grid-row: 2; }
  .work > .teaser { grid-column: 2; grid-row: 3; }
  .work > .links, .work > .absrow { grid-column: 2; }
}
/* citations, summaries and abstracts are set in Alegreya */
.work .cite, .work .teaser, .abs-body {
  font-family: var(--serif);
  font-feature-settings: "onum" 1, "kern" 1, "liga" 1;
  letter-spacing: 0;
}
.work .cite { margin: 0; font-size: 1.0625rem; font-weight: 600; line-height: 1.4; max-width: var(--measure); }
.work .teaser { margin: 0; max-width: var(--measure); font-size: 1.0625rem; line-height: 1.45; }

/* journal names in real small caps, letterspaced — the Bluebook manner */
.cite .with { display: block; }
.jrnl {                       /* large and small caps, the Bluebook manner */
  font-variant-caps: small-caps;
  font-feature-settings: "smcp" 1, "onum" 1;
  letter-spacing: .028em;
}
/* the italic ampersand belongs to Alegreya; anywhere else it stays roman */
.amp { font-variant-caps: normal; font-feature-settings: normal; letter-spacing: 0; }
.bio .amp, .lede .amp, .cite .amp, .teaser .amp, .abs-body .amp {
  font-style: italic;
  padding: 0 .06em 0 .02em;
}

.links { display: flex; flex-wrap: wrap; gap: .3rem 1.1rem; margin: 0; padding: 0; align-items: baseline; }
.absrow { margin: 0; }
.links a, .links button {
  font-family: var(--mono); font-size: .6875rem; font-weight: 400;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--blue); background: none; border: 0; border-bottom: 1px solid currentColor;
  padding: 0; cursor: pointer; font-feature-settings: normal;
}
.links a:hover, .links button:hover { color: var(--ink); }

details.abs > summary { list-style: none; display: inline-block; }
details.abs > summary::-webkit-details-marker { display: none; }
details.abs > summary {
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--blue);
  border-bottom: 1px solid currentColor; cursor: pointer;
}
details.abs > summary:hover { color: var(--ink); }
details.abs > summary::after { content: " +"; }
details.abs[open] > summary::after { content: " –"; }
.abs-body { max-width: var(--measure); margin: 1rem 0 .25rem; font-size: 1.0625rem; line-height: 1.5; }
.abs-body p { margin: 0 0 .8em; }
.abs-body p:last-child { margin-bottom: 0; }

/* stays put when the abstracts open */
.toolbar {
  position: sticky; top: 3.55rem; z-index: 9;
  display: flex; justify-content: flex-end;
  background: var(--paper); padding: 1.9rem 0 .575rem; margin: 0;
}
.toolbar button {
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted);
  background: none; border: 0; cursor: pointer; padding: 0;
}
/* both labels are the same length, so nothing ever shifts */
.toolbar button span { border-bottom: 1px solid var(--rule); padding-bottom: 1px; }
.toolbar button:hover { color: var(--ink); }
.toolbar button:hover span { border-bottom-color: var(--ink); }

/* ---------- teaching ---------- */

.year { border-top: 1px solid var(--rule); padding: 1.5rem 0 1.25rem; }
.year:first-of-type { margin-top: var(--headgap); }
.year .rail .yr { font-weight: 700; font-size: 1.0625rem; letter-spacing: -0.02em; }
.year .rail .meta { margin-top: .2rem; }

.terms { display: grid; grid-template-columns: minmax(0,1fr); gap: 1.1rem 0; }
.term > .meta { margin-bottom: .4rem; }
@media (min-width: 40rem) {
  .term { display: grid; grid-template-columns: 6.5rem minmax(0,1fr); gap: 0 1.15rem; align-items: baseline; }
  .term > .meta { text-align: right; margin-bottom: 0; }
}
.courses { list-style: none; margin: 0; padding: 0; }
.courses li { margin: 0 0 .6rem; }
.courses li:last-child { margin-bottom: 0; }
.courses .course { display: block; font-size: .9375rem; }
.courses .course em { font-style: italic; }
.courses .links { margin-top: .18rem; }

.note { color: var(--muted); max-width: var(--measure); font-size: .9375rem; }

/* ---------- notes ---------- */

body.notes { --measure: 40rem; }
body.notes .teaser { line-height: 1.55; }

/* ---------- footer ---------- */

.foot {
  margin-top: 4.5rem; padding-top: 1.1rem; border-top: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; gap: .4rem 2rem; align-items: baseline;
}
.foot .meta a { color: var(--muted); border-bottom-color: var(--rule); }
.foot .meta a:hover { color: var(--ink); }

/* ---------- print ---------- */

@media print {
  :root { --ink: #000; --paper: #fff; --blue: #000; --muted: #444; }
  body { font-size: 10.5pt; }
  .masthead nav, .foot, .toolbar { display: none; }
  details.abs[open] > summary { display: none; }
  a { border: 0; }
}