/* ============================================================
   Dust theme – Andy Eyles personal site
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,400;0,600;1,400;1,600&display=swap');

/* ----- Variables ----- */
:root {
  --bg:           #FAF7F2;
  --text:         #5b4f41;
  --line:         #8d7a64;
  --gridline:     #E3DDCC;
  --accent:       #db735c;
  --accent-dark:  #b85843;
  --accent2:      #2A91A2;
  --muted:        #9A8A76;
  --dark-brown:   #7A6752;
  --gold:         #F3C57B;
  --font: 'Crimson Pro', 'Cardo', 'Adobe Garamond Pro', Garamond, Palatino, 'Times New Roman', serif;
}

/* ----- Reset ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 18px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--accent-dark); text-decoration: underline; }

/* ----- Nav ----- */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--gridline);
}

.nav-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.nav-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.nav-name:hover { color: var(--accent); text-decoration: none; }

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-links a {
  color: var(--muted);
  font-size: 0.93rem;
  letter-spacing: 0.025em;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  text-decoration: none;
}

/* ----- Layout ----- */
main {
  flex: 1;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

/* ----- Typography ----- */
h1 {
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--text);
}

h2 {
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 3rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--gridline);
}
h2:first-of-type { margin-top: 0; }

h3 {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
}

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ----- Home – Hero ----- */
.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--gridline);
  margin-bottom: 3rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  font-style: italic;
  margin-top: 0.35rem;
  margin-bottom: 1.4rem;
}

.hero-bio {
  max-width: 660px;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--text);
}

.contact-links {
  margin-top: 1.5rem;
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.contact-links a {
  color: var(--muted);
  font-size: 0.92rem;
  border-bottom: 1px solid var(--gridline);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.contact-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2.5rem;
  align-items: start;
}

.hero-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.hero-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--gridline);
}

/* ----- Home – Featured figure ----- */
.featured-figure {
  text-align: center;
  width: 100%;
}

.featured-figure img {
  width: 100%;
  border: 1px solid var(--gridline);
  border-radius: 2px;
  display: block;
}

.featured-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  font-style: italic;
  color: var(--muted);
  line-height: 1.4;
}

/* ----- Home – Highlights ----- */
.highlights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 0.5rem;
}

.highlight-col h2 { margin-top: 0; }

.highlight-item {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--gridline);
  font-size: 0.95rem;
}
.highlight-item:last-child { border-bottom: none; }

.highlight-item a {
  color: var(--text);
  font-weight: 600;
  line-height: 1.4;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.highlight-item a:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}
.highlight-meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 0.15rem;
}

.see-all {
  display: inline-block;
  margin-top: 1.2rem;
  font-size: 0.9rem;
  color: var(--muted);
  border-bottom: 1px solid var(--gridline);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.see-all:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

/* ----- Page intro ----- */
.page-intro {
  color: var(--muted);
  font-size: 1rem;
  font-style: italic;
  margin-bottom: 2rem;
  line-height: 1.7;
  max-width: 660px;
}

/* ----- Publications ----- */
.pub-list { list-style: none; }

.pub-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--gridline);
}
.pub-item:last-child { border-bottom: none; }

.pub-title { margin-bottom: 0.2rem; }
.pub-title a {
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.pub-title a:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

.pub-authors {
  color: var(--muted);
  font-size: 0.93rem;
  margin-bottom: 0.1rem;
}
.pub-venue {
  font-size: 0.93rem;
  color: var(--muted);
  margin-bottom: 0.7rem;
}
.pub-venue em { color: var(--text); font-style: italic; }

/* ----- Abstract accordion ----- */
.abstract-toggle {
  background: none;
  border: 1px solid var(--gridline);
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.18rem 0.65rem;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.abstract-toggle:hover,
.abstract-toggle.open {
  background: var(--gridline);
  color: var(--text);
  border-color: var(--line);
}

.abstract-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.abstract-panel p {
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--gridline);
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--accent2);
  margin-top: 0.75rem;
  margin-bottom: 0;
}

/* ----- Policy list ----- */
.policy-list { list-style: none; }

.policy-item {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--gridline);
}
.policy-item:last-child { border-bottom: none; }

.policy-title { margin-bottom: 0.2rem; }
.policy-title a {
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.policy-title a:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

.policy-authors {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.05rem;
}
.policy-venue {
  font-size: 0.9rem;
  color: var(--muted);
}
.policy-venue em { color: var(--dark-brown); }

/* ----- Blog WiP ----- */
.wip-block {
  text-align: center;
  padding: 6rem 0;
  color: var(--muted);
}
.wip-block .wip-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}
.wip-block h2 {
  border: none;
  font-size: 1.45rem;
  color: var(--muted);
  margin-top: 0;
  margin-bottom: 0.5rem;
}
.wip-block p {
  font-style: italic;
  max-width: 420px;
  margin: 0 auto;
}

/* ----- Personal page ----- */
.personal-section {
  margin-bottom: 2.5rem;
}

.personal-grid {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 2rem;
  align-items: start;
  margin-top: 0.75rem;
}

.personal-img {
  width: 160px;
  border: 1px solid var(--gridline);
  border-radius: 2px;
  display: block;
}

/* ----- CV page ----- */
.cv-download-wrap { margin-bottom: 2.5rem; }

.cv-download {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.45rem 1.3rem;
  border-radius: 2px;
  transition: background 0.15s;
}
.cv-download:hover {
  background: var(--accent-dark);
  color: #fff;
  text-decoration: none;
}

.cv-section { margin-bottom: 0.5rem; }

.cv-entry {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.4rem 1.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--gridline);
  font-size: 0.95rem;
  line-height: 1.55;
}
.cv-entry:last-child { border-bottom: none; }
.cv-year { color: var(--muted); font-size: 0.88rem; padding-top: 0.15rem; }
.cv-detail strong { display: block; font-weight: 600; color: var(--text); }
.cv-detail span { color: var(--muted); font-size: 0.92rem; }
.cv-detail ul { margin: 0.5rem 0 0 1.1rem; padding: 0; color: var(--muted); font-size: 0.92rem; line-height: 1.6; }
.cv-detail ul li { margin-bottom: 0.25rem; }
.cv-skills { color: var(--muted); font-size: 0.92rem; line-height: 1.7; margin: 0; }

/* ----- Lightbox ----- */
.lightbox {
  cursor: zoom-in;
}

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  z-index: 200;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
.lightbox-overlay.active {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 2px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

/* ----- Footer ----- */
footer {
  border-top: 1px solid var(--gridline);
  padding: 1.4rem 2rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ----- Responsive ----- */
@media (max-width: 640px) {
  html { font-size: 16px; }

  .nav-inner { flex-direction: column; gap: 0.7rem; }
  .nav-links { gap: 0.9rem; }

  h1 { font-size: 2rem; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-sidebar { flex-direction: row; align-items: flex-start; justify-content: center; }
  .hero-photo { width: 100px; height: 100px; flex-shrink: 0; }

  .highlights-grid { grid-template-columns: 1fr; gap: 0; }

  .personal-grid { grid-template-columns: 1fr; }
  .personal-img { width: 120px; }

  .cv-entry { grid-template-columns: 1fr; gap: 0.1rem; }
  .cv-year { padding-top: 0; }
}