/* ============================================================
   PYGMENTS CODE HIGHLIGHTING (preserved from original)
   ============================================================ */
pre {
  line-height: 125%;
}

td.linenos .normal {
  color: inherit;
  background-color: transparent;
  padding-left: 5px;
  padding-right: 5px;
}

span.linenos {
  color: inherit;
  background-color: transparent;
  padding-left: 5px;
  padding-right: 5px;
}

td.linenos .special {
  color: #000000;
  background-color: #ffffc0;
  padding-left: 5px;
  padding-right: 5px;
}

span.linenos.special {
  color: #000000;
  background-color: #ffffc0;
  padding-left: 5px;
  padding-right: 5px;
}

.codehilite .hll {
  background-color: #ffffcc
}

.codehilite {
  background: #f8f8f8;
}

.codehilite .c {
  color: #3D7B7B;
  font-style: italic
}

.codehilite .err {
  border: 1px solid #FF0000
}

.codehilite .k {
  color: #008000;
  font-weight: bold
}

.codehilite .o {
  color: #666666
}

.codehilite .ch {
  color: #3D7B7B;
  font-style: italic
}

.codehilite .cm {
  color: #3D7B7B;
  font-style: italic
}

.codehilite .cp {
  color: #9C6500
}

.codehilite .cpf {
  color: #3D7B7B;
  font-style: italic
}

.codehilite .c1 {
  color: #3D7B7B;
  font-style: italic
}

.codehilite .cs {
  color: #3D7B7B;
  font-style: italic
}

.codehilite .gd {
  color: #A00000
}

.codehilite .ge {
  font-style: italic
}

.codehilite .gr {
  color: #E40000
}

.codehilite .gh {
  color: #000080;
  font-weight: bold
}

.codehilite .gi {
  color: #008400
}

.codehilite .go {
  color: #717171
}

.codehilite .gp {
  color: #000080;
  font-weight: bold
}

.codehilite .gs {
  font-weight: bold
}

.codehilite .gu {
  color: #800080;
  font-weight: bold
}

.codehilite .gt {
  color: #0044DD
}

.codehilite .kc {
  color: #008000;
  font-weight: bold
}

.codehilite .kd {
  color: #008000;
  font-weight: bold
}

.codehilite .kn {
  color: #008000;
  font-weight: bold
}

.codehilite .kp {
  color: #008000
}

.codehilite .kr {
  color: #008000;
  font-weight: bold
}

.codehilite .kt {
  color: #B00040
}

.codehilite .m {
  color: #666666
}

.codehilite .s {
  color: #BA2121
}

.codehilite .na {
  color: #687822
}

.codehilite .nb {
  color: #008000
}

.codehilite .nc {
  color: #0000FF;
  font-weight: bold
}

.codehilite .no {
  color: #880000
}

.codehilite .nd {
  color: #AA22FF
}

.codehilite .ni {
  color: #717171;
  font-weight: bold
}

.codehilite .ne {
  color: #CB3F38;
  font-weight: bold
}

.codehilite .nf {
  color: #0000FF
}

.codehilite .nl {
  color: #767600
}

.codehilite .nn {
  color: #0000FF;
  font-weight: bold
}

.codehilite .nt {
  color: #008000;
  font-weight: bold
}

.codehilite .nv {
  color: #19177C
}

.codehilite .ow {
  color: #AA22FF;
  font-weight: bold
}

.codehilite .w {
  color: #bbbbbb
}

.codehilite .mb {
  color: #666666
}

.codehilite .mf {
  color: #666666
}

.codehilite .mh {
  color: #666666
}

.codehilite .mi {
  color: #666666
}

.codehilite .mo {
  color: #666666
}

.codehilite .sa {
  color: #BA2121
}

.codehilite .sb {
  color: #BA2121
}

.codehilite .sc {
  color: #BA2121
}

.codehilite .dl {
  color: #BA2121
}

.codehilite .sd {
  color: #BA2121;
  font-style: italic
}

.codehilite .s2 {
  color: #BA2121
}

.codehilite .se {
  color: #AA5D1F;
  font-weight: bold
}

.codehilite .sh {
  color: #BA2121
}

.codehilite .si {
  color: #A45A77;
  font-weight: bold
}

.codehilite .sx {
  color: #008000
}

.codehilite .sr {
  color: #A45A77
}

.codehilite .s1 {
  color: #BA2121
}

.codehilite .ss {
  color: #19177C
}

.codehilite .bp {
  color: #008000
}

.codehilite .fm {
  color: #0000FF
}

.codehilite .vc {
  color: #19177C
}

.codehilite .vg {
  color: #19177C
}

.codehilite .vi {
  color: #19177C
}

.codehilite .vm {
  color: #19177C
}

.codehilite .il {
  color: #666666
}


/* ============================================================
   DESIGN TOKENS (shared across all color schemes)
   Colors & shadows are loaded from colorschemes/<name>.css
   ============================================================ */
:root {
  /* ---- Typography ---- */
  --font-body: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Roboto Slab', 'Georgia', serif;
  --font-mono: 'Fira Code', 'Source Code Pro', 'Menlo', monospace;

  /* ---- Spacing ---- */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* ---- Radii ---- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}


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

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

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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


/* ============================================================
   TYPOGRAPHY — warm, generous, inviting
   ============================================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  font-weight: 600;
  line-height: 1.3;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}

h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.8rem;
  padding-bottom: 0.25em;
  border-bottom: 2px solid var(--color-border);
}

h3 {
  font-size: 1.45rem;
}

h4 {
  font-size: 1.2rem;
}

h5 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

h6 {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

p {
  margin-bottom: 1.3em;
  font-size: 1.05rem;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}


/* ============================================================
   LISTS
   ============================================================ */
li {
  margin: 0;
  padding: 0.2em 0;
}

ul,
ol {
  padding-left: 1.4em;
}


/* ============================================================
   IMAGES
   ============================================================ */
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  margin: var(--space-md) auto;
  display: block;
}

/* ============================================================
   BLOCKQUOTES
   ============================================================ */
blockquote {
  border-left: 4px solid var(--color-accent);
  background-color: var(--color-bg-alt);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text);
}

blockquote p:last-child {
  margin-bottom: 0;
}


/* ============================================================
   CODE BLOCKS
   ============================================================ */
code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background-color: var(--color-bg-alt);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
}

pre {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  font-size: 0.88em;
  line-height: 1.55;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  color: inherit;
}

.codehilite {
  background: var(--color-bg-alt) !important;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  overflow-x: auto;
  margin: var(--space-lg) 0;
}


/* ============================================================
   TABLES
   ============================================================ */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  font-size: 0.95em;
}

th,
td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

th {
  background-color: var(--color-bg-alt);
  font-weight: 600;
  font-family: var(--font-heading);
}

tr:nth-child(even) {
  background-color: rgba(245, 240, 234, 0.45);
}


/* ============================================================
   NAVBAR — warm plum gradient
   ============================================================ */
.navbar-custom {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%) !important;
  box-shadow: var(--shadow-md);
  padding: 0.6rem var(--space-md);
}

.navbar-custom .nav-link,
.navbar-custom .navbar-brand {
  color: rgba(255, 255, 255, 0.92) !important;
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.navbar-custom .nav-link:hover,
.navbar-custom .navbar-brand:hover {
  color: #ffffff !important;
  opacity: 1;
}

.navbar-custom .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.35);
}

.navbar-custom .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.navbar-custom .navbar-brand svg path,
.navbar-custom .nav-link svg path {
  fill: rgba(255, 255, 255, 0.85);
  transition: fill 0.2s ease;
}

.navbar-custom .navbar-brand:hover svg path {
  fill: #fff;
}

.navbar-custom .nav-link-home {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}


/* ============================================================
   HERO / JUMBOTRON — warm cream with terracotta accent
   ============================================================ */
.hero-section {
  background: var(--color-bg-hero);
  border-bottom: 3px solid var(--color-accent);
  padding: var(--space-3xl) 0 var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.hero-section h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--color-text);
  border-bottom: none;
  margin-top: 0;
}

.hero-section h6 {
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-section p {
  color: var(--color-text);
  font-size: 1.05rem;
  line-height: 1.75;
}

/* Fact-card — compact bullet list in hero */
.fact-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.fact-card ul li {
  font-size: 0.95rem;
  line-height: 1.6;
  padding: 0.15em 0;
  color: var(--color-text);
}

.fact-card ul li a {
  color: var(--color-primary-light);
  text-decoration: none;
  font-weight: 500;
}

.fact-card ul li a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.fact-card p {
  font-size: 0.9rem;
  margin-top: 0.5em;
  color: var(--color-text-muted);
}

.hero-section .rounded-circle {
  border: 4px solid var(--color-accent-light);
  box-shadow: var(--shadow-md);
}


/* ============================================================
   ARTICLE HERO (article_header.html)
   ============================================================ */
.article-hero {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-xl);
  overflow: hidden;
}

.article-hero .mask {
  background-color: rgba(0, 0, 0, 0.30) !important;
}

.article-hero h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.4rem;
  color: #fff;
  border-bottom: none;
}

.article-hero h4 {
  color: rgba(255, 255, 255, 0.88);
  font-weight: 400;
  font-size: 1.1rem;
}

.article-hero h6 {
  color: rgba(255, 255, 255, 0.8);
}

.article-hero a {
  color: rgba(255, 255, 255, 0.95) !important;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.4);
}

.article-hero a:hover {
  text-decoration-color: #fff;
}


/* ============================================================
   ARTICLE CONTENT — max-width for readability
   ============================================================ */
.article-content {
  max-width: 52rem;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

.article-content h1:first-child,
.article-content h2:first-child {
  margin-top: 0;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
  box-shadow: var(--shadow-sm);
}


/* ============================================================
   HOMEPAGE — "Areas of Interest" as picture cards
   The homepage markdown renders an <hr>, a <p>, a <ul> with <li>
   We target .homepage-content to transform the list into cards.
   ============================================================ */
.homepage-content>hr {
  border: none;
  border-top: 2px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

/* The paragraph right before the list acts as a section heading */
.homepage-content>p {
  font-size: 1.1rem;
  line-height: 1.75;
}

/* Turn the <ul> into a responsive card grid — strict 4×1 on desktop, 2×2 on smaller */
.homepage-content>ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin: var(--space-lg) 0 var(--space-2xl);
}

.homepage-content>ul>li {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.homepage-content>ul>li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-light);
}

/* Top accent bar on each card */
.homepage-content>ul>li::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* Decorative emoji icon for each card */
.homepage-content>ul>li::after {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.3rem;
  order: -1;
}

/* Flex column so pseudo-element icon sits on top */
.homepage-content>ul>li {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}

/* Different icon per card via nth-child */
.homepage-content>ul>li:nth-child(1)::after {
  content: '🧠';
}

.homepage-content>ul>li:nth-child(2)::after {
  content: '📷';
}

.homepage-content>ul>li:nth-child(3)::after {
  content: '🔬';
}

.homepage-content>ul>li:nth-child(4)::after {
  content: '🏥';
}


/* ============================================================
   BLOG CARDS
   ============================================================ */
.blog-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  overflow: hidden;
  margin-bottom: var(--space-lg);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-light);
  transform: translateY(-2px);
}

.blog-card .card-header {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
}

.blog-card .card-body {
  padding: var(--space-md) var(--space-lg);
}

.blog-card .card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin-bottom: var(--space-sm);
  border-bottom: none;
}

.blog-card .card-title a {
  color: var(--color-text);
  text-decoration: none;
}

.blog-card .card-title a:hover {
  color: var(--color-primary-light);
}

.blog-card .card-text {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.65;
}


/* ============================================================
   RESEARCH CARDS
   ============================================================ */
.research-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  overflow: hidden;
  margin-bottom: var(--space-lg);
}

.research-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-light);
  transform: translateY(-2px);
}

.research-card .card-header {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.88rem;
  color: var(--color-text-muted);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
}

.research-card .container {
  padding: var(--space-md) var(--space-lg);
}

.research-card h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  border-bottom: none;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.research-card h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.research-card h2 a:hover {
  color: var(--color-primary-light);
}

.research-card img {
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  margin-top: var(--space-sm);
}

.research-card p {
  font-size: 0.96rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}


/* ============================================================
   PATENTS SECTION
   ============================================================ */
.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-2xl) 0;
}

.patents-heading {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
}

.patents-subtitle {
  font-size: 0.93rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.patent-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.patent-entry {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  flex-wrap: wrap;
}

.patent-entry:hover {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-sm);
}

.patent-number {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary-light);
  background: var(--color-bg-alt);
  padding: 0.15em 0.6em;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
}

.patent-title {
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  flex: 1 1 100%;
  min-width: 0;
  /* Allows text to wrap within flex container */
  word-break: break-word;
}

.patent-title:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

.patent-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  flex: 1 1 100%;
  padding-top: 0.2rem;
}

.patent-pending {
  color: var(--color-text-muted);
  font-style: italic;
}


/* ============================================================
   FOOTER — subtle warm dark
   ============================================================ */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  font-size: 0.9rem;
  margin-top: var(--space-3xl);
  letter-spacing: 0.02em;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
}

.site-footer a:hover {
  color: #fff;
  text-decoration-color: #fff;
}


/* ============================================================
   MISC
   ============================================================ */
#page_banner_about_text {
  line-height: 1.75;
  font-size: 1.05rem;
}

.math-tex,
.MathJax_Display,
mjx-container {
  overflow-x: auto;
  max-width: 100%;
}

.paper-action-box img {
  border-radius: var(--radius-sm);
  transition: transform 0.2s ease;
}

.paper-action-box img:hover {
  transform: scale(1.05);
}

/* ============================================================
   FEATURED WORK — auto-scrolling horizontal carousel
   ============================================================ */
.featured-work {
  margin-bottom: var(--space-xl);
}

.featured-work>h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.4em;
  margin-bottom: var(--space-lg);
}

/* Carousel viewport */
.featured-carousel {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}

/* Track: holds 2× the cards, slides left infinitely */
.featured-track {
  display: flex;
  gap: var(--space-lg);
  width: max-content;
  animation: featured-scroll 20s linear infinite;
}

/* The wrapper div prevents Pelican markdown from splitting cards */
.featured-cards-wrapper {
  display: contents;
}

.featured-track:hover {
  animation-play-state: paused;
}

@keyframes featured-scroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* Individual cards — fixed square size */
.featured-card {
  flex: 0 0 240px;
  width: 240px;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-light);
  text-decoration: none;
  color: var(--color-text);
}

.featured-img {
  width: 240px;
  height: 160px;
  overflow: hidden;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.featured-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.featured-card:hover .featured-img img {
  transform: scale(1.05);
}

.featured-info {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.featured-info h5 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.35;
  margin: 0 0 0.4em;
  color: var(--color-text);
}

.featured-venue {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.4;
  margin-top: auto;
}


/* ============================================================
   NEWS TIMELINE — vertical timeline from markdown <ul>
   ============================================================ */

/* Section heading override */
.news-timeline>h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.4em;
  margin-bottom: var(--space-lg);
}

.news-timeline>h4 u {
  text-decoration: none;
}

/* The <ul> becomes the timeline track */
.news-timeline>ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-2xl);
  position: relative;
}

/* Vertical line */
.news-timeline>ul::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-primary-light));
  border-radius: 2px;
}

/* Each <li> is a timeline entry */
.news-timeline>ul>li {
  position: relative;
  padding: 0.8em 1em 0.8em 3em;
  margin-bottom: var(--space-sm);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  font-size: 0.98rem;
  line-height: 1.65;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.news-timeline>ul>li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-light);
}

/* Timeline dot */
.news-timeline>ul>li::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--color-accent-light);
  z-index: 1;
}

/* Alternate dot colors for visual variety */
.news-timeline>ul>li:nth-child(odd)::before {
  background: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(139, 123, 160, 0.25);
}

/* Connector from dot to card */
.news-timeline>ul>li::after {
  content: '';
  position: absolute;
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 2px;
  background: var(--color-border);
}

/* Bold items (paper titles) get accent color */
.news-timeline>ul>li strong,
.news-timeline>ul>li b {
  color: var(--color-primary);
}

/* Links inside timeline */
.news-timeline>ul>li a {
  color: var(--color-primary-light);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.news-timeline>ul>li a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  text-decoration: none;
}

/* Hide the trailing <hr> from the markdown */
.news-timeline>hr {
  display: none;
}


/* ============================================================
   TALKS PAGE — clean styled list (Title · Venue · Link)
   ============================================================ */
.talks-content>h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.4em;
  margin-bottom: var(--space-lg);
}

.talks-content>ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.talks-content>ul>li {
  padding: 0.7em 1em;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.95rem;
  line-height: 1.55;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.talks-content>ul>li:hover {
  transform: translateX(3px);
  box-shadow: var(--shadow-sm);
  border-left-color: var(--color-primary);
}

.talks-content>ul>li a {
  color: var(--color-primary-light);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.talks-content>ul>li a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ============================================================
   PROJECT PAGE — Nerfies-inspired academic project layout
   ============================================================ */
.project-page {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ---- Hero Section ---- */
.project-hero {
  text-align: center;
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  background: var(--color-bg-hero);
  border-bottom: 3px solid var(--color-accent);
  margin-bottom: var(--space-xl);
}

.project-hero .project-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--color-text);
  margin: 0 0 0.3em;
  border-bottom: none;
  line-height: 1.2;
}

.project-hero .project-venue {
  font-size: 1.1rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
}

/* Author list — horizontal pills */
.project-hero .project-authors {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  list-style: none;
  padding: 0;
}

.project-hero .project-authors a {
  display: inline-block;
  padding: 0.3em 0.8em;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.project-hero .project-authors a:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

/* Action buttons (Paper / Code / Colab) */
.project-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
}

.project-actions a {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.5em 1.2em;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border: none;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.project-actions a:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.project-actions a.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.project-actions a.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ---- Abstract Section ---- */
.project-abstract {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-xl) 0;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--color-text);
}

.project-abstract strong,
.project-abstract b {
  color: var(--color-primary);
}

/* ---- Content Sections ---- */
.project-content {
  padding: 0 0 var(--space-2xl);
}

.project-content h2,
.project-content h3,
.project-content h4 {
  margin-top: var(--space-2xl);
  text-align: left;
}

.project-content h4 {
  font-size: 1.25rem;
  color: var(--color-primary);
  border-bottom: none;
}

/* Figures inside project pages */
.project-content figure,
.project-content .figure {
  margin: var(--space-xl) auto;
  text-align: center;
}

.project-content figure img,
.project-content .figure img,
.project-content .figure-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.project-content figcaption,
.project-content .figure-caption,
.article-content figcaption,
.article-content .figure-caption {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: var(--space-sm);
  padding: 0 var(--space-lg);
  text-align: center;
}

/* Center images and figures */
.project-content figure,
.article-content figure {
  text-align: center;
  margin: var(--space-lg) auto;
}

.project-content img,
.article-content img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* Citation block */
.project-citation {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin: var(--space-xl) 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}


/* ============================================================
   RESPONSIVE — Tablet (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.45rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .hero-section {
    padding: var(--space-xl) 0;
  }

  .featured-card {
    flex: 0 0 200px;
    width: 200px;
  }

  .featured-img {
    width: 200px;
    height: 140px;
  }

  .hero-section h2 {
    font-size: 1.7rem;
  }

  .article-content {
    padding: var(--space-md);
  }

  .article-hero h1 {
    font-size: 1.7rem;
  }

  .article-hero h4 {
    font-size: 1rem;
  }

  .research-card .row {
    flex-direction: column;
  }

  .research-card .col-md-4,
  .research-card .col-md-8 {
    width: 100%;
  }

  .research-card img {
    margin-bottom: var(--space-md);
  }

  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .homepage-content>ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-hero .project-title {
    font-size: 1.8rem;
  }

  .project-abstract {
    padding: var(--space-md) var(--space-lg);
  }

  .news-timeline>ul>li {
    padding: 0.6em 0.8em 0.6em 2.5em;
    font-size: 0.92rem;
  }

  .talks-content>ul {
    grid-template-columns: 1fr;
  }
}


/* ============================================================
   RESPONSIVE — Phone (≤ 576px)
   ============================================================ */
@media (max-width: 576px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  .hero-section {
    padding: var(--space-lg) 0;
  }

  .hero-section .rounded-circle {
    max-height: 120px !important;
  }

  .article-hero {
    border-radius: 0;
  }

  .article-hero h1 {
    font-size: 1.35rem;
  }

  .blog-card .card-title {
    font-size: 1.15rem;
  }

  .codehilite {
    padding: var(--space-md);
    font-size: 0.82em;
  }

  pre {
    padding: var(--space-md);
    font-size: 0.82em;
  }

  .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .homepage-content>ul {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .homepage-content>ul>li {
    min-height: 120px;
    padding: var(--space-md) var(--space-sm);
    font-size: 0.95rem;
  }

  .project-hero .project-title {
    font-size: 1.4rem;
  }

  .project-hero .project-authors a {
    font-size: 0.85rem;
    padding: 0.25em 0.6em;
  }

  .project-actions a {
    font-size: 0.85rem;
    padding: 0.4em 0.9em;
  }

  .news-timeline>ul::before {
    left: 10px;
  }

  .news-timeline>ul>li {
    padding: 0.5em 0.6em 0.5em 2em;
    font-size: 0.88rem;
    margin-left: 6px;
  }

  .news-timeline>ul>li::before {
    left: -22px;
    width: 10px;
    height: 10px;
  }

  .news-timeline>ul>li::after {
    left: -12px;
    width: 10px;
  }

  .talks-content>ul {
    grid-template-columns: 1fr;
  }
}


/* ============================================================
   UTILITIES
   ============================================================ */
.text-accent {
  color: var(--color-accent);
}

.bg-alt {
  background-color: var(--color-bg-alt);
}

.divider {
  border: none;
  border-top: 2px solid var(--color-border);
  margin: var(--space-xl) 0;
}

.card,
.btn,
.nav-link {
  transition: all 0.2s ease;
}

article img,
.article-content img,
.justify-content-center img {
  max-width: 100%;
  height: auto;
}

#gallery img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}