/* Peter Albers – homepage */
/* Charis SIL (SIL Open Font License 1.1, see fonts/OFL.txt) */
@font-face { font-family: "Charis SIL"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/charis-sil-latin-ext-400-normal.woff2") format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Charis SIL"; font-style: italic; font-weight: 400; font-display: swap; src: url("../fonts/charis-sil-latin-ext-400-italic.woff2") format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Charis SIL"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/charis-sil-latin-ext-700-normal.woff2") format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Charis SIL"; font-style: italic; font-weight: 700; font-display: swap; src: url("../fonts/charis-sil-latin-ext-700-italic.woff2") format("woff2"); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Charis SIL"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/charis-sil-latin-400-normal.woff2") format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Charis SIL"; font-style: italic; font-weight: 400; font-display: swap; src: url("../fonts/charis-sil-latin-400-italic.woff2") format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Charis SIL"; font-style: normal; font-weight: 700; font-display: swap; src: url("../fonts/charis-sil-latin-700-normal.woff2") format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Charis SIL"; font-style: italic; font-weight: 700; font-display: swap; src: url("../fonts/charis-sil-latin-700-italic.woff2") format("woff2"); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }

:root {
  --paper: #fbfcfd;
  --ink: #1b2430;
  --muted: #5a6676;
  --accent: #1d5c7a;
  --rule: #d6dde4;
  --orbit: #1d5c7a;
  --measure: 47rem;
  /* spacing system – used by all pages */
  --lh-list: 1.35;      /* line height inside lists */
  --gap-item: 0.18rem;  /* between two entries */
  --gap-group: 0.6rem;  /* between groups (semesters, years) */
  --gap-section: 1.5rem;/* before a section heading */
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12171d;
    --ink: #e4e9ee;
    --muted: #9aa6b3;
    --accent: #8cc0da;
    --rule: #2b343e;
    --orbit: #8cc0da;
  }
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0 auto;
  max-width: calc(var(--measure) + 2.5rem);
  padding: 0 1.25rem;
  background: var(--paper);
  color: var(--ink);
  font-family: "Charis SIL", Charter, "Bitstream Charter", "Sitka Text", Cambria, "Noto Serif", Georgia, serif;
  font-size: 1.0625rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* Masthead */
.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2.25rem 0 1.1rem;
}
.name {
  display: block;
  color: var(--ink);
  text-decoration: none;
  font-size: clamp(1.75rem, 5.2vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.name:hover { color: var(--accent); }
.role { margin: 0.4rem 0 0; color: var(--muted); font-size: 1.0625rem; line-height: 1.45; }


/* Navigation */
.site-nav { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; column-gap: 1.6rem; }
.site-nav li + li { margin-top: 0; }
.site-nav a {
  display: inline-block;
  padding: 0.5rem 0 0.4rem;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* Content */
main { padding: 1.1rem 0 1.5rem; }
main > :first-child { margin-top: 0; }
main > :last-child { margin-bottom: 0; }
h1, h2, h3 { line-height: 1.25; font-weight: 700; }
h1 { font-size: 1.6rem; margin: 1.25rem 0 0.6rem; }
h2 { font-size: 1.25rem; margin: var(--gap-section) 0 0.45rem; }
h3 { font-size: 1.0625rem; margin: 1rem 0 0.3rem; }
p, ul, ol, dl { margin: 0 0 0.75rem; }
ul, ol { padding-left: 1.25rem; }
main li, main dt, main dd { line-height: var(--lh-list); }
li + li { margin-top: var(--gap-item); }

sup, sub { line-height: 0; }

ul.plain { list-style: none; padding-left: 0; }

.note { border-left: 3px solid var(--accent); padding: 0.3rem 0 0.3rem 1rem; margin: 0 0 1rem; }

/* Contact (home): label column + value */
dl.contact { display: grid; grid-template-columns: 6.5rem 1fr; column-gap: 1.25rem; row-gap: var(--gap-item); }
dl.contact dt { color: var(--muted); }
dl.contact dd { margin: 0; }
dl.contact.tight { grid-template-columns: max-content 1fr; }

/* Dated lists: <dl class="dated"><dt>2017</dt><dd>…</dd></dl>
   Short CV: one entry per date.  .grouped (Teaching): several entries per date. */
dl.dated { display: grid; grid-template-columns: 7rem 1fr; column-gap: 1rem; row-gap: var(--gap-item); }
dl.dated dt { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
dl.dated dd { margin: 0; }
dl.dated dd + dd { grid-column: 2; }
dl.dated.grouped dt:not(:first-of-type),
dl.dated.grouped dt:not(:first-of-type) + dd { margin-top: calc(var(--gap-group) - var(--gap-item)); }

/* Publications: numbered list, venue line muted */
.pub-venue { color: var(--muted); }

/* Theses: one line per thesis, hanging indent, year muted */
ul.theses { list-style: none; padding-left: 0; }
ul.theses li { padding-left: 1.25em; text-indent: -1.25em; }
ul.theses .year { color: var(--muted); }

/* Footer */
.site-footer {
  margin-top: 0;
  border-top: 1px solid var(--rule);
  padding: 0.9rem 0 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer p { margin: 0 0 0.25rem; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; column-gap: 1.25rem; }
.footer-links li + li { margin-top: 0; }
.site-footer a { color: var(--muted); }

@media (max-width: 34rem) {
  .masthead { padding-top: 1.5rem; }
  .site-nav ul { column-gap: 0.7rem; }
  .site-nav a { font-size: 0.9375rem; }
  dl.contact, dl.contact.tight, dl.dated { grid-template-columns: 1fr; row-gap: 0; }
  dl.contact dt:not(:first-of-type), dl.dated dt:not(:first-of-type) { margin-top: var(--gap-group); }
  dl.dated dd + dd { grid-column: 1; margin-top: var(--gap-item); }
  dl.dated.grouped dt:not(:first-of-type) + dd { margin-top: 0; }
}