/* =========================================================
   Reset & Base
   ========================================================= */

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

:root {
  --text:       #111111;
  --muted:      #666666;
  --border:     #d8d8d8;
  --bg:         #ffffff;
  --bg-subtle:  #f7f7f5;
  --col-width:  680px;
  --pad-x:      2rem;
  --accent:     #427b58;
  --accent-dim: rgba(66, 123, 88, 0.10);
  --radius:     4px;

  --section-pad-y: 2.45rem;

  --font-display: 'Futura', sans-serif;
  --font-body:    'Figtree', system-ui, sans-serif;
  --font-ui:      'Futura', sans-serif;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  letter-spacing: -0.011em; /* This is the 'secret sauce' for Inter */
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================================
   Typography
   ========================================================= */

h1 {
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
}

h2 {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.6rem;
}

h2 .section-note {
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
  font-style: italic;
  color: var(--muted);
}

h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

p { margin-bottom: 0.9em; }
p:last-child { margin-bottom: 0; }

main .hero-content p,
main .project-body,
main .project-category--misc .misc-lead,
main .project-category--misc .misc-list,
main .entry-desc {
  text-align: left;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.12s ease, color 0.12s ease;
}

a:hover { border-bottom-color: var(--accent); color: var(--accent); }

strong { font-weight: 600; }
em { font-style: italic; }

ul { list-style: none; }

/* =========================================================
   Header (status bar + nav)
   ========================================================= */

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: calc(var(--col-width) + var(--pad-x) * 2);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  flex-direction: column;
}

.status-bar {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--muted);
  padding: 0.4rem 0 0;
  letter-spacing: 0.01em;
}

.status-sep { color: var(--border); }

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 0 0.45rem;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: none;
  transition: color 0.12s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active {
  border-bottom: 1px solid var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-left: 1rem;
}

.search-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.22rem 0.55rem;
  cursor: pointer;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  transition: color 0.12s ease, border-color 0.12s ease;
}

.search-btn:hover { color: var(--accent); border-color: var(--accent); }

.search-kbd {
  font-family: var(--font-ui);
  font-size: 0.58rem;
  color: var(--muted);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1;
  padding: 0.2rem;
}

/* =========================================================
   Main layout
   ========================================================= */

main {
  max-width: calc(var(--col-width) + var(--pad-x) * 2);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

section {
  padding: var(--section-pad-y) 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type { border-bottom: none; }

/* =========================================================
   Hero — split layout (home page)
   ========================================================= */

.hero {
  display: grid;
  grid-template-columns: 200px 1fr;
  column-gap: 2.4rem;
  align-items: start;
  padding-top: var(--section-pad-y);
  padding-bottom: var(--section-pad-y);
  border-bottom: 1px solid var(--border);
}

.hero-photo {
  flex-shrink: 0;
}

.hero-photo img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

.hero-content { min-width: 0; }

.keyword-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
}

.pill {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border-radius: 20px;
  padding: 0.2rem 0.65rem;
}

/* =========================================================
   Social links
   ========================================================= */

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.1rem;
  margin-top: 1.4rem;
}

.social-links a {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  border-bottom: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  transition: color 0.12s ease;
}

.social-links a:hover { color: var(--accent); }

.social-links .icon {
  width: 20px;
  height: 20px;
}

.icon {
  width: 13px;
  height: 13px;
  fill: currentColor;
  flex-shrink: 0;
}

/* =========================================================
   About (keywords, photo)
   ========================================================= */

#about { padding-top: var(--section-pad-y); }

.keywords {
  font-size: 0.88rem;
  color: var(--accent);
  margin-bottom: 1.3rem;
  line-height: 1.5;
}

.about-photo {
  margin: 1.8rem 0;
  border-radius: 2px;
  overflow: hidden;
}

.about-photo img {
  width: 100%;
  height: auto;
  display: block;
}

/* =========================================================
   News
   ========================================================= */

.news-list li {
  display: grid;
  grid-template-columns: 6rem 1fr;
  column-gap: 1.2rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

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

.news-date {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--muted);
  padding-top: 0.15em;
  white-space: nowrap;
}

.news-text { font-size: 0.93rem; line-height: 1.55; }

/* =========================================================
   Entries (research, teaching, etc.)
   ========================================================= */

.entry {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.entry:last-child { border-bottom: none; }
.entry.slim { padding: 0.7rem 0; }

.entry-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.15rem;
}

.entry-title-row {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
}

.entry-title-row .entry-title { flex: 1; }

.entry-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.35;
}

.entry-date {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: 0.1em;
}

.entry-sub {
  font-family: var(--font-ui);
  font-size: 0.77rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
  line-height: 1.45;
}

.entry-desc {
  font-size: 0.94rem;
  line-height: 1.6;
  margin-bottom: 0;
}

.entry-bullets {
  list-style: disc;
  padding-left: 1.3em;
  font-size: 0.91rem;
  line-height: 1.55;
  color: var(--text);
}

.entry-bullets li { margin-bottom: 0.2em; }

.entry-bullets-nested {
  list-style: circle;
  padding-left: 1.3em;
  margin-top: 0.2em;
}

/* =========================================================
   Institution logos
   ========================================================= */

.inst-logo {
  height: 18px;
  width: auto;
  max-width: 80px;
  object-fit: contain;
  flex-shrink: 0;
  vertical-align: middle;
  opacity: 0.85;
  transition: opacity 0.15s ease;
}

.inst-logo:hover { opacity: 1; }

/* Teaching page tuning: keep logos aligned with the entry date and title. */
.page--teaching .entry-title-row {
  align-items: center;
}

/* Talks page: slightly tighter heading-to-first-entry spacing */
.page--talks .page-content h2 {
  margin-bottom: 0.5rem;
}

/* Talks page: make the "Video ..." line match poster/oral typography below */
.page--talks .entry-desc {
  font-size: 0.77rem;
  line-height: 1.45;
}

.page--teaching .inst-logo {
  height: 20px;
  max-width: 90px;
  margin-top: 0.12em;
}

.page--teaching .inst-logo--eth {
  /* ETH SVG has different bounding box; tweak to align with the date text. */
  margin-top: 0.02em;
}

/* Teaching page: specific partners have taller/wider logos; boost size. */
.page--teaching .inst-logo--acubesat {
  height: 26px;
  max-width: 120px;
}

.page--teaching .inst-logo--eduact {
  height: 26px;
  max-width: 140px;
}

.page--teaching .inst-logo--american-farm-school {
  height: 26px;
  max-width: 200px;
}

/* =========================================================
   Project cards (projects.html)
   ========================================================= */

.project-category {
  padding: var(--section-pad-y) 0;
  border-bottom: 1px solid var(--border);
}

.project-category:last-of-type { border-bottom: none; }

.cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.45rem;
  width: 100%;
}

.cat-header h2 {
  margin-bottom: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.cat-logos {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.8rem;
  flex-shrink: 0;
  margin-left: auto;
}

.cat-logo {
  height: 20px;
  width: auto;
  max-width: 90px;
  object-fit: contain;
  opacity: 0.75;
  transition: opacity 0.15s ease;
}

.cat-logo:hover { opacity: 1; }

.cat-logo-esa {
  height: 20px;
  max-width: 120px;
  object-fit: contain;
  object-position: left center;
}

/* AcubeSAT section: make partner logos more prominent */
#acubesat .cat-logo {
  height: 25px;
  max-width: 120px;
}

#acubesat .cat-logo-esa {
  height: 50px;
  max-width: 165px;
}

/* Misc (projects): intro + bullet list */
.project-category--misc {
  font-size: 0.93rem;
  line-height: 1.65;
}

.project-category--misc .misc-lead {
  margin-bottom: 0.65rem;
  color: var(--text);
}

.project-category--misc .misc-list {
  list-style: disc;
  padding-left: 1.35em;
  margin: 0;
  color: var(--text);
}

.project-category--misc .misc-list > li {
  margin-bottom: 0.7rem;
  text-align: left; /* keep figures/captions aligned with other misc images */
}

.project-category--misc .misc-list > li .project-image-figure {
  /* Avoid any inline text-align interactions that can end up centering the figure. */
  display: block;
}

.project-category--misc .misc-list > li:last-child {
  margin-bottom: 0;
}

.project-category--misc .misc-list-nested {
  list-style: circle;
  padding-left: 1.2em;
  margin: 0.4rem 0 0;
}

.project-category--misc .misc-list-nested li {
  margin-bottom: 0.35rem;
}

.project-category--misc .misc-list .project-images {
  margin-top: 0.75rem;
  margin-bottom: 0;
}

/* Project paragraph-format entry */
.project-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.7rem;
}

.project-heading-row h3 {
  margin-bottom: 0;
  flex: 1;
}

.project-logos {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  padding-top: 0.25rem;
}

.project-body {
  font-size: 0.93rem;
  line-height: 1.65;
  margin-bottom: 0.75em;
}

.project-body:last-of-type { margin-bottom: 0; }

/* Project images */
.project-image-figure {
  /* Keep left alignment in list items while preserving caption wrapping. */
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  margin: 1.2rem 0;
  vertical-align: top;
}

.project-image-figure .project-images {
  margin: 0;
  display: inline-flex;
  width: fit-content;
  flex-wrap: wrap;
}

.project-images {
  display: flex;
  gap: 0.75rem;
  margin: 1.2rem 0;
  flex-wrap: wrap;
}

.project-images img {
  height: 160px;
  width: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.project-image-caption {
  font-size: 0.68rem;
  color: var(--muted);
  margin: 0.4rem 0 0;
  line-height: 1.35;
  max-width: 100%;
  display: block;
  min-width: 0; /* allow wrapping instead of forcing the figure wider */
  text-align: left;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.project-image-caption a {
  color: var(--muted);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
}

.project-image-caption a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* iGEM featured media: slightly smaller tile copy (matches compact caption scale) */
#igem .media-tile-title {
  font-size: 0.68rem;
  line-height: 1.32;
}

#igem .media-tile-date {
  font-size: 0.57rem;
}

/* =========================================================
   Media grid (featured-in press tiles)
   ========================================================= */

.featured-label {
  font-family: var(--font-ui);
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1.8rem 0 0.8rem;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.media-tile {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  text-decoration: none;
  border-bottom: none;
  display: flex;
  flex-direction: column;
}

.media-tile:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-2px);
  border-color: #bbb;
}

.media-tile-img {
  width: 100%;
  height: 85px;
  object-fit: cover;
  background: var(--bg-subtle);
  display: block;
}

.media-tile-img.logo-tile {
  object-fit: contain;
  padding: 0.7rem;
}

.media-tile-body {
  padding: 0.5rem 0.6rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.media-tile-outlet {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.media-tile-title {
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.media-tile-date {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  color: var(--muted);
  margin-top: auto;
}

/* Press link list (also-covered-by) */
.press-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.8rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
}

.press-list a {
  color: var(--muted);
  border-bottom: none;
  transition: color 0.12s ease;
}

.press-list a:hover { color: var(--accent); }

.press-list-sep {
  color: var(--border);
  user-select: none;
}

/* =========================================================
   iGEM charts
   ========================================================= */

.chart-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.chart-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 0.8rem 0.8rem;
}

.chart-title {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: none;
  color: var(--muted);
  margin-bottom: 0.6rem;
  text-align: center;
}

.chart-box svg { display: block; width: 100%; }

.chart-bar { fill: var(--accent); opacity: 0.8; transition: opacity 0.12s ease; }
.chart-bar:hover { opacity: 1; }
.chart-axis-label { font-family: var(--font-ui); font-size: 7.5px; fill: var(--muted); }
.chart-value-label { font-family: var(--font-ui); font-size: 7px; fill: var(--text); font-weight: 600; }

.chart-axis-title { font-family: var(--font-ui); font-size: 6.2px; fill: var(--muted); font-weight: 600; letter-spacing: 0.02em; }

/* =========================================================
   Publications
   ========================================================= */

.subsec {
  font-family: var(--font-ui);
  font-size: 0.67rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 2rem 0 0.9rem;
}

.subsec:first-of-type { margin-top: 0; }

.pub-entry {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.pub-entry:last-child { border-bottom: none; }

.pub-tag {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--accent);
  line-height: 1.4;
  margin-bottom: 0.25rem;
}

.pub-tag a { color: var(--accent); font-size: 0.72rem; }
.pub-tag a:hover { color: var(--text); }

.pub-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.38;
  margin-bottom: 0.2em;
}

.pub-authors {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
  margin-bottom: 0;
}

/* =========================================================
   Honors / Awards
   ========================================================= */

.honors-list li {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

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

.honor-left {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
  flex: 1;
  min-width: 0;
}

.honor-name {
  font-size: 0.97rem;
  font-weight: 500;
  line-height: 1.35;
}

.honor-detail {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.4;
}

.honor-right {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--muted);
  text-align: right;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.1em;
  align-items: flex-end;
}

/* =========================================================
   Skills grid
   ========================================================= */

.skills-grid {
  display: grid;
  grid-template-columns: 9rem 1fr;
  column-gap: 1.5rem;
  row-gap: 0;
}

.skills-category {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted);
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.01em;
}

.skills-items {
  font-size: 0.91rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.55;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.skills-grid > *:last-child,
.skills-grid > *:nth-last-child(2) {
  border-bottom: none;
}

/* =========================================================
   Contact
   ========================================================= */

.contact-email {
  margin: 1rem 0 0.7rem;
  font-size: 1.1rem;
  font-style: italic;
}

.contact-email a {
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.contact-email a:hover { border-bottom-color: var(--accent); }

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.3rem;
}

.contact-links a {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--muted);
  border-bottom: none;
  transition: color 0.12s ease;
}

.contact-links a:hover { color: var(--accent); }

/* =========================================================
   Erdős–Bacon–Sabbath number (other.html)
   ========================================================= */

.ebs-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.2rem 0 1.8rem;
  flex-wrap: wrap;
}

.ebs-btn {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 500;
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  padding: 0.1em 0.15em;
  border-radius: var(--radius);
  transition: color 0.15s ease, background 0.15s ease;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}

.ebs-btn:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.ebs-sep {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--muted);
  line-height: 1;
  user-select: none;
}

.ebs-label {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.3rem;
}

/* =========================================================
   EBS inline detail panel
   ========================================================= */

.ebs-detail {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.25s ease;
  border-left: 2px solid var(--border);
  padding-left: 1.2rem;
  margin-top: 0;
}

.ebs-detail--open {
  max-height: 600px;
  opacity: 1;
  margin-top: 1.4rem;
}

.ebs-detail-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.7rem;
}

/* =========================================================
   Modals (<dialog>)
   ========================================================= */

dialog {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  background: var(--bg);
  box-shadow: 0 8px 40px rgba(0,0,0,0.15);
  max-width: 90vw;
}

dialog::backdrop {
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(2px);
}

/* EBS info modals */
.ebs-modal-inner {
  padding: 1.6rem 1.8rem;
  max-width: 420px;
  width: 90vw;
}

.ebs-modal-inner h3 {
  font-size: 1.05rem;
  margin-bottom: 0.9rem;
}

.ebs-chain {
  list-style: none;
  font-size: 0.88rem;
  line-height: 1.7;
}

/* Block + absolute arrow — avoid flex on <li>: mixed text nodes and <a> children
   each become flex items and lay out in a row (fragmented “columns”). */
.ebs-chain li {
  position: relative;
  padding-left: 1.35em;
  margin-bottom: 0.35rem;
}

.ebs-chain li:last-child {
  margin-bottom: 0;
}

.ebs-chain li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0.05em;
  color: var(--accent);
}

.modal-close {
  display: block;
  margin-top: 1.2rem;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.3rem 0.9rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  cursor: pointer;
  color: var(--muted);
  transition: color 0.12s ease, border-color 0.12s ease;
}

.modal-close:hover { color: var(--text); border-color: #999; }

/* Search dialog */
#search-dialog {
  width: 560px;
  max-width: 94vw;
  position: fixed;
  inset: 0;
  margin: 8vh auto auto;
  border-radius: 8px;
}

.search-inner {
  display: flex;
  flex-direction: column;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
}

.search-bar svg { color: var(--muted); flex-shrink: 0; }

#search-input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: transparent;
}

.search-esc {
  font-family: var(--font-ui);
  font-size: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  color: var(--muted);
  background: var(--bg-subtle);
  flex-shrink: 0;
}

#search-results {
  list-style: none;
  max-height: 340px;
  overflow-y: auto;
  padding: 0.35rem 0;
}

.search-result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 1rem;
  cursor: pointer;
  gap: 1rem;
  transition: background 0.1s ease;
}

.search-result.focused,
.search-result:hover { background: var(--bg-subtle); }

.sr-label {
  font-size: 0.88rem;
  color: var(--text);
}

.sr-label mark {
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 2px;
  padding: 0 1px;
}

.sr-cat {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
}

.search-empty {
  padding: 1rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* =========================================================
   Interests list (other.html)
   ========================================================= */

.interests-list {
  list-style: none;
}

.interests-list > li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.94rem;
  line-height: 1.65;
}

.interests-list > li:last-child { border-bottom: none; }

.interest-cat {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
  margin-right: 0.5em;
}

.sports-sublist,
.interest-sublist {
  list-style: disc;
  padding-left: 1.35em;
  margin-top: 0.35rem;
}

.sports-sublist li,
.interest-sublist > li {
  margin-bottom: 0.35rem;
}

.sports-sublist li:last-child,
.interest-sublist > li:last-child {
  margin-bottom: 0;
}

.interest-sublist-nested {
  list-style: circle;
  padding-left: 1.2em;
  margin-top: 0.25rem;
  margin-bottom: 0;
}

.interest-sublist-nested li {
  margin-bottom: 0.2rem;
}

.interest-sublist-nested li:last-child {
  margin-bottom: 0;
}

/* =========================================================
   Footer
   ========================================================= */

#site-footer {
  max-width: calc(var(--col-width) + var(--pad-x) * 2);
  margin: 0 auto;
  padding: 1.8rem var(--pad-x) 3rem;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--muted);
}

#site-footer a {
  color: var(--muted);
  border-bottom: none;
}

#site-footer a:hover { color: var(--accent); }

.footer-note { color: var(--border); }

/* =========================================================
   Page title strip (non-home pages)
   ========================================================= */

.page-title-strip {
  padding: 1.85rem 0 0;
}

.page-title-strip h1 {
  margin-bottom: 0.75rem;
}

/* =========================================================
   Responsive — tablet
   ========================================================= */

@media (max-width: 720px) {
  :root { --pad-x: 1.4rem; }
  .skills-grid { grid-template-columns: 7rem 1fr; column-gap: 1rem; }
  .news-list li { grid-template-columns: 5rem 1fr; }
  .chart-pair { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }

  .hero {
    grid-template-columns: 160px 1fr;
    column-gap: 1.6rem;
  }
  .hero-photo img { width: 160px; height: 160px; }
}

/* =========================================================
   Responsive — mobile
   ========================================================= */

@media (max-width: 560px) {
  html { font-size: 17px; }
  :root { --pad-x: 1.1rem; }

  h1 { font-size: 1.95rem; }

  /* Mobile hero: stack vertically */
  .hero {
    grid-template-columns: 1fr;
    row-gap: 1.4rem;
  }

  .hero-photo img { width: 140px; height: 140px; }

  /* Mobile nav */
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.07);
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    display: block;
    padding: 0.7rem var(--pad-x);
    font-size: 0.75rem;
  }

  .nav-toggle { display: block; }
  #site-header { position: relative; }
  .nav-actions { margin-left: 0.55rem; }

  .entry-header { flex-wrap: wrap; }
  .entry-date { flex-basis: 100%; order: -1; }

  .honors-list li { flex-direction: column; }
  .honor-right { text-align: left; align-items: flex-start; }

  .news-list li {
    grid-template-columns: 1fr;
    row-gap: 0.2rem;
  }

  .skills-grid { grid-template-columns: 1fr; }

  .skills-category,
  .skills-items { border-bottom: none; padding: 0.2rem 0; }

  .skills-category { margin-top: 0.8rem; padding-bottom: 0; }
  .skills-grid > *:first-child { margin-top: 0; }

  section { padding: 2.15rem 0; }

  .project-images img { height: 120px; }

  .media-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }

  .ebs-btn, .ebs-sep { font-size: 2.1rem; }

  #search-dialog { margin-top: 4vh; }
}

@media (max-width: 380px) {
  html { font-size: 16px; }
}