/* ===========================================================
   Tobah Aukland-Peck — personal site
   Design concept: geological core-sample "spine" as a recurring
   motif, echoing the extractive materials (coal, clay, slate,
   rust, patina, chalk) at the center of the research itself.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,500&family=Source+Serif+4:ital,wght@0,400;0,600;1,400&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #21201d;
  --paper: #e3e0d3;
  --paper-dim: #d7d2c1;
  --slate: #3e4c55;
  --rust: #963b22;
  --moss: #5c6b4f;
  --ochre: #b08a3e;
  --chalk: #efece2;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --content-max: 720px;
  --content-max-wide: 1040px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--slate);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--rust); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 3px;
}

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

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid var(--paper-dim);
}

.site-title a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

nav.site-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

nav.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

nav.site-nav a:hover,
nav.site-nav a[aria-current="page"] {
  color: var(--rust);
  border-bottom-color: var(--rust);
}

main {
  flex: 1;
  padding: 3rem 2rem 5rem;
}

.content {
  max-width: var(--content-max);
  margin: 0 auto;
}

.content--wide {
  max-width: var(--content-max-wide);
}

.home-layout {
  display: flex;
  align-items: flex-start;
  gap: 3.5rem;
}

.bio-column {
  flex: 1.15;
  min-width: 0;
}

.image-column {
  flex: 1;
  min-width: 0;
  position: sticky;
  top: 2.5rem;
}

@media (max-width: 860px) {
  .home-layout {
    flex-direction: column;
  }
  .image-column {
    position: static;
    width: 100%;
    order: -1;
  }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 0 0 0.9rem;
}

h1.masthead {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  line-height: 1.05;
  margin: 0 0 1.75rem;
  color: var(--ink);
}

.bio p {
  margin: 0 0 1.3rem;
}

h2.project-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 1.5rem;
  margin: 2.4rem 0 1rem;
  color: var(--slate);
}

figure.plate {
  margin: 0;
}

.plate-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--paper-dim);
  border: 1px dashed rgba(33,32,29,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(33,32,29,0.5);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: center;
  padding: 1rem;
}

figure.plate img {
  width: 100%;
  height: auto;
  display: block;
}

figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(33,32,29,0.65);
  margin-top: 0.9rem;
  line-height: 1.5;
}

.email-cta {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--rust);
  text-decoration: none;
  border-bottom: 1px solid var(--rust);
  padding-bottom: 2px;
}

.email-cta:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* -----------------------------------------------------------
   Lists — presentations & publications
   ----------------------------------------------------------- */

h2.section-heading {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
  margin: 3rem 0 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--ochre);
}

h2.section-heading:first-of-type { margin-top: 0.5rem; }

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

ul.entry-list li {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--paper-dim);
}

ul.entry-list li:last-child { border-bottom: none; }

.entry-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.08rem;
  color: var(--ink);
  display: block;
  margin-bottom: 0.25rem;
}

.entry-meta {
  font-size: 0.95rem;
  color: rgba(33,32,29,0.75);
  display: block;
}

.entry-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-left: 0.6rem;
  white-space: nowrap;
}

.entry-link::after { content: " \2192"; }

.note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(33,32,29,0.6);
  border-left: 2px solid var(--ochre);
  padding: 0.8rem 0 0.8rem 1rem;
  margin: 2rem 0;
}

footer.site-footer {
  padding: 2rem;
  border-top: 1px solid var(--paper-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(33,32,29,0.6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

footer.site-footer a { color: rgba(33,32,29,0.6); }
footer.site-footer a:hover { color: var(--rust); }

/* -----------------------------------------------------------
   Mobile
   ----------------------------------------------------------- */

@media (max-width: 720px) {
  header.site-header { padding: 1.5rem 1.25rem 1.25rem; }
  main { padding: 2rem 1.25rem 3.5rem; }
  footer.site-footer { padding: 1.5rem 1.25rem; }
}