/* ---------------------------------------------------------------
   Palette & type. Change these three or four values and the whole
   site changes with them.
   --------------------------------------------------------------- */

:root {
  --paper:      #faf7f2;
  --paper-alt:  #f3efe7;
  --ink:        #26221e;
  --ink-soft:   #6a6058;
  --rule:       #e2dbd0;
  --accent:     #8c5a3c;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans:  ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:     #17150f;
    --paper-alt: #1e1b15;
    --ink:       #ece6dc;
    --ink-soft:  #a49a8c;
    --rule:      #332e26;
    --accent:    #c9915f;
  }
}

/* ---------------------------------------------------------------
   Base
   --------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 0.98rem + 0.4vw, 1.1875rem);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: min(62rem, 100%);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: inherit;
  text-decoration-color: var(--rule);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

a:hover { color: var(--accent); text-decoration-color: currentColor; }

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

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  background: var(--paper);
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--rule);
}

h1, h2, h3 {
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.5rem, 1.8rem + 3.4vw, 4.25rem); }
h2 { font-size: clamp(1.5rem, 1.3rem + 0.9vw, 1.9rem); }
h3 { font-size: 1.125rem; letter-spacing: 0; }

p { margin: 0 0 1.1em; max-width: var(--measure); }

em { color: var(--ink-soft); font-style: italic; }

/* ---------------------------------------------------------------
   Header
   --------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding-block: 0.9rem;
}

.wordmark {
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
}

.site-header nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header nav a {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}

.site-header nav a:hover { color: var(--accent); }

/* ---------------------------------------------------------------
   Hero
   --------------------------------------------------------------- */

.hero {
  padding-block: clamp(4rem, 12vw, 9rem) clamp(3rem, 8vw, 6rem);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero h1 { margin-bottom: 0.35em; }

.lede {
  font-size: 1.2em;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 38rem;
}

.hero-meta {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  max-width: 38rem;
}

/* ---------------------------------------------------------------
   Sections
   --------------------------------------------------------------- */

.section { padding-block: clamp(3.5rem, 9vw, 6rem); }
.section.alt { background: var(--paper-alt); }

.section h2 {
  margin-bottom: 2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

.two-col {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  align-items: start;
}

@media (max-width: 46rem) {
  .two-col { grid-template-columns: 1fr; }
  .portrait { max-width: 16rem; }
}

.portrait {
  margin: 0;
  position: sticky;
  top: 6rem;
}

.portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: grayscale(0.15);
  border: 1px solid var(--rule);
}

.button {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  padding: 0.7rem 1.3rem;
  border: 1px solid var(--ink-soft);
}

.button:hover {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

.cv-link { margin-top: 2rem; }

/* Research cards */

.cards {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.card h3 {
  padding-top: 1rem;
  border-top: 2px solid var(--accent);
}

.card p { color: var(--ink-soft); margin: 0; }

/* Timeline */

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

.timeline li {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: 0 2rem;
  padding-block: 1.75rem;
  border-top: 1px solid var(--rule);
}

.timeline li:last-child { border-bottom: 1px solid var(--rule); }

.year, .place {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.year { margin: 0.35rem 0 0; text-transform: uppercase; }

.timeline h3 { margin-bottom: 0.25rem; }
.place { margin-bottom: 0.8rem; }
.timeline p:last-child { margin-bottom: 0; }

@media (max-width: 40rem) {
  .timeline li { grid-template-columns: 1fr; gap: 0.4rem; }
  .year { margin-top: 0; }
}

/* Writing */

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

.writing-list li {
  padding-block: 1.75rem;
  border-top: 1px solid var(--rule);
}

.writing-list li:last-child { border-bottom: 1px solid var(--rule); }
.writing-list h3 { margin-bottom: 0.25rem; }
.writing-list p:last-child { margin-bottom: 0; }

/* Contact */

.contact { padding-bottom: clamp(4rem, 10vw, 7rem); }

.contact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2.5rem;
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

/* ---------------------------------------------------------------
   Footer
   --------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: 2rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  justify-content: space-between;
}

.site-footer p {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------------
   Print
   --------------------------------------------------------------- */

@media print {
  .site-header, .site-footer, .skip, .button { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .section { padding-block: 1.5rem; break-inside: avoid; }
}