/* ---------------------------------------------------------------
   Brent Y. Chick — personal site
   Aesthetic: refined editorial minimalism
   --------------------------------------------------------------- */

:root {
  --bg: #DFEAD8;
  --fg: #1A1A1A;
  --muted: #5E6B57;
  --accent: #B5453F;
  --rule: #C9D6BF;
  --max-width: 680px;

  --font-serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14201A;
    --fg: #ECE7DC;
    --muted: #8FA08A;
    --accent: #E68078;
    --rule: #233129;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-serif);
  font-feature-settings: "ss01", "ss02";
  font-optical-sizing: auto;
  font-variation-settings: "SOFT" 30, "WONK" 0;
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 1.5rem 4rem;
}

/* --- header ----------------------------------------------------- */

header.site-head {
  margin-bottom: 3.5rem;
}

h1.name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-variation-settings: "SOFT" 30, "WONK" 1, "opsz" 144;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 0.4rem;
}

h1.name a {
  color: var(--fg);
  text-decoration: none;
}

.tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

/* --- nav --------------------------------------------------------- */

nav.primary {
  margin: 1.8rem 0 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem;
}

nav.primary a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

nav.primary a:hover { border-bottom-color: var(--accent); color: var(--accent); }
nav.primary a.current { border-bottom-color: var(--fg); }

.contact {
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.contact a { color: var(--muted); text-decoration: none; transition: color 0.2s ease; }
.contact a:hover { color: var(--accent); }

/* --- prose ------------------------------------------------------- */

main p {
  margin: 0 0 1.4rem;
}

main p.lead {
  font-size: 1.12rem;
  line-height: 1.6;
}

main a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

main a:hover {
  color: var(--accent);
  background-color: rgba(181, 69, 63, 0.06);
}

h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-variation-settings: "SOFT" 30, "opsz" 36;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 3rem 0 1rem;
}

h2 .num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--muted);
  vertical-align: middle;
  margin-right: 0.6rem;
}

/* --- publications list ------------------------------------------- */

ul.pubs {
  list-style: none;
  padding: 0;
  margin: 0;
}

ul.pubs li {
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule);
}

ul.pubs li:first-child { border-top: 1px solid var(--rule); }

ul.pubs .title {
  font-size: 1rem;
  line-height: 1.45;
  margin: 0 0 0.4rem;
}

ul.pubs .meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.55;
}

ul.pubs .meta em { font-style: italic; color: var(--fg); }
ul.pubs .meta .self { color: var(--accent); font-weight: 500; font-style: normal; }

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

footer.site-foot {
  margin-top: 5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
}

footer.site-foot a { color: var(--muted); text-decoration: none; }
footer.site-foot a:hover { color: var(--accent); }

footer .links { display: flex; gap: 1rem; flex-wrap: wrap; }

/* --- small screens ----------------------------------------------- */

@media (max-width: 540px) {
  body { font-size: 17px; }
  .page { padding: 3.5rem 1.25rem 3rem; }
  header.site-head { margin-bottom: 2.5rem; }
}