/* ---------------------------------------------------------------
   base.css — layout grammar, grid, type scale.
   Structure only. All colour and typeface choices live in the theme.
   --------------------------------------------------------------- */

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* --- rhythm ---------------------------------------------------- */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.4em;
  color: var(--ink-strong);
}

h1 { font-size: var(--size-h1); letter-spacing: -0.015em; }
h2 { font-size: var(--size-h2); }
h3 { font-size: var(--size-h3); }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  text-decoration-color: var(--rule-strong);
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
a:hover { color: var(--accent-hover); text-decoration-color: currentColor; }

em, i { font-style: italic; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: var(--space-xl) 0;
}

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

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

.wrap {
  width: min(100% - 2.5rem, var(--measure-wide));
  margin-inline: auto;
}

.prose { max-width: var(--measure); }

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

.section-title {
  font-size: var(--size-eyebrow);
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-lg);
}

/* --- masthead + nav -------------------------------------------- */

.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.masthead__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.1rem;
}

.masthead__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-strong);
  text-decoration: none;
}
.masthead__name:hover { color: var(--accent); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  font-size: var(--size-small);
}

.nav a {
  color: var(--ink-muted);
  text-decoration: none;
  padding-block: 0.15rem;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--ink-strong); border-bottom-color: var(--rule-strong); }
.nav a[aria-current="page"] { color: var(--ink-strong); border-bottom-color: var(--accent); }

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

.page-header { padding-block: var(--space-xl) var(--space-lg); }
.page-header p { color: var(--ink-muted); max-width: var(--measure); }

/* --- publication lists ----------------------------------------- */

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

.pub-list > li {
  padding-block: var(--space-md);
  border-top: 1px solid var(--rule);
}
.pub-list > li:first-child { border-top: 0; padding-top: 0; }

.pub__title {
  font-family: var(--font-display);
  font-size: var(--size-h3);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.3em;
  color: var(--ink-strong);
}

.pub__meta {
  font-size: var(--size-small);
  color: var(--ink-muted);
  margin: 0 0 0.55em;
  max-width: var(--measure);
}

.pub__abstract {
  max-width: var(--measure);
  margin: 0 0 0.7em;
}

.pub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  font-size: var(--size-small);
  margin-top: 0.5rem;
}

/* a plain reference list — CV entries, hanging indent */
.ref-list { list-style: none; margin: 0; padding: 0; }
.ref-list > li {
  padding-left: 1.6em;
  text-indent: -1.6em;
  margin-bottom: 0.85em;
  max-width: var(--measure);
  font-size: var(--size-small);
  line-height: 1.55;
}

/* --- year rail -------------------------------------------------- */

.year-group { margin-bottom: var(--space-xl); }
.year-group:last-child { margin-bottom: 0; }

.year-group__label {
  font-family: var(--font-body);
  font-size: var(--size-eyebrow);
  font-weight: 600;
  letter-spacing: 0.11em;
  color: var(--ink-faint);
  margin-bottom: var(--space-sm);
}

/* --- tags ------------------------------------------------------- */

.tag-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.tag {
  font-size: var(--size-small);
  color: var(--ink-muted);
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  padding: 0.22em 0.85em;
  white-space: nowrap;
}

/* --- book grid --------------------------------------------------- */

.book-grid {
  display: grid;
  /* Capped rather than fluid: cover scans are only ~330px wide, so letting a
     card grow past ~220px renders them below 1.5x and they go soft. */
  grid-template-columns: repeat(auto-fit, minmax(170px, 220px));
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.book-card { display: flex; flex-direction: column; gap: 0.7rem; }

/* Image variant. Book jackets are ~2:3; `contain` on the paper ground letterboxes
   covers whose proportions differ slightly rather than cropping the title off. */
.book-card__cover--image {
  aspect-ratio: 2 / 3;
  display: block;
  padding: 0;
}
.book-card__cover--image img { width: 100%; height: 100%; object-fit: contain; }

.book-card__cover {
  aspect-ratio: 3 / 4;
  border: 1px solid var(--rule-strong);
  background: var(--paper-raised);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.6rem 1.3rem 1.4rem;
  text-align: center;
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

a.book-card { text-decoration: none; color: inherit; }
a.book-card:hover .book-card__cover { border-color: var(--accent); transform: translateY(-2px); }
a.book-card:hover .book-card__cover-title { color: var(--accent); }

.book-card__cover-role {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  line-height: 1.5;
}

.book-card__cover-body {
  display: flex;
  flex-direction: column;
  gap: 0.7em;
  padding-block: 0.5rem;
}

.book-card__cover-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.28;
  color: var(--ink-strong);
  transition: color 0.15s ease;
}

.book-card__cover-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.85rem;
  line-height: 1.35;
  color: var(--ink-muted);
}

.book-card__cover-rule { width: 1.75rem; height: 1px; background: var(--rule-strong); margin: 0 auto; }

.book-card__cover-pub {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  line-height: 1.6;
}

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

.footer {
  border-top: 1px solid var(--rule);
  margin-top: var(--space-xl);
  padding-block: var(--space-lg) var(--space-xl);
  font-size: var(--size-small);
  color: var(--ink-muted);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
}

.footer h2 {
  font-family: var(--font-body);
  font-size: var(--size-eyebrow);
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.7rem;
}

.footer address { font-style: normal; line-height: 1.6; }
.footer__colophon { margin-top: var(--space-lg); color: var(--ink-faint); }

/* --- utilities ---------------------------------------------------- */

.note {
  font-size: var(--size-small);
  color: var(--ink-muted);
  border-left: 2px solid var(--rule-strong);
  padding-left: 1rem;
  max-width: var(--measure);
}

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

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