/* ==========================================================================
   Research project pages (src/research/) — Nerfies layout, CU Boulder colors.

   Loaded only by layouts/research-project.njk, alongside Bulma; the rest of
   the site does not use this file. Colors and corner radii are CSS variables
   in the blocks below (light, dark-by-OS, dark-by-toggle). Change them there
   and the rest follows.
   ========================================================================== */

:root {
  --pp-font-heading: "Nunito Sans", "Segoe UI", Helvetica, Arial, sans-serif;
  --pp-font-body: "Open Sans", "Segoe UI", Helvetica, Arial, sans-serif;

  /* Corner radii. Lower these for a squarer look. */
  --pp-radius-xl: 28px;           /* carousel card, footer */
  --pp-radius-lg: 20px;           /* teaser, panels, BibTeX */
  --pp-radius-md: 14px;           /* figures, tables, code */
  --pp-radius-sm: 8px;            /* inline code, small labels */
  --pp-radius-pill: 999px;        /* buttons, nav, chips */

  /* CU Boulder brand: CU Gold #CFB87C, Black, Dark Gray #565A5C, Light Gray #A2A4A3 */
  --pp-gold: #CFB87C;
  --pp-gold-text: #4f4604;        /* gold that is readable as text on white */
  --pp-gold-hover: #6a7113;
  --pp-gold-tint: rgba(207, 184, 124, 0.18);
  --pp-glow: rgba(207, 184, 124, 0.22);

  --pp-ink: #1d1e00;              /* headings */
  --pp-text: #3b3b36;             /* body text */
  --pp-muted: #6b6b66;            /* captions, notes */
  --pp-bg: #ffffff;
  --pp-surface: #f6f5f0;          /* carousel card, panels, code */
  --pp-border: #e4e2da;
  --pp-shadow: rgba(29, 30, 0, 0.10);
  --pp-shadow-strong: rgba(29, 30, 0, 0.18);

  --pp-nav-bg: rgba(0, 0, 0, 0.88);
  --pp-nav-text: #d1d1ca;
  --pp-footer-bg: #0b0b09;
  --pp-footer-text: #b5b5ad;

  --pp-button-bg: #1d1e00;
  --pp-button-border: #1d1e00;
  --pp-button-text: #ffffff;
  --pp-button-hover-bg: var(--pp-gold);
  --pp-button-hover-text: #000000;

  --pp-link: var(--pp-gold-text);
}

/* Dark palette (matches praisecu.com). Pages are light by default, like the
   rest of the site; this applies only after the visitor picks dark. */
:root[data-theme="dark"] {
  --pp-gold: #d6bd72;
  --pp-gold-text: #d6bd72;
  --pp-gold-hover: #e6d29a;
  --pp-gold-tint: rgba(214, 189, 114, 0.14);
  --pp-glow: rgba(214, 189, 114, 0.13);
  --pp-ink: #f3efe3;
  --pp-text: #d1d1ca;
  --pp-muted: #aaa9a2;
  --pp-bg: #10110e;
  --pp-surface: #191b17;
  --pp-border: #34362f;
  --pp-shadow: rgba(0, 0, 0, 0.45);
  --pp-shadow-strong: rgba(0, 0, 0, 0.6);
  --pp-nav-bg: rgba(5, 6, 0, 0.82);
  --pp-footer-bg: #050600;
  --pp-footer-text: #aaa9a2;
  --pp-button-bg: transparent;
  --pp-button-border: #d6bd72;
  --pp-button-text: #d6bd72;
  --pp-button-hover-bg: #d6bd72;
  --pp-button-hover-text: #10110e;
}

/* Map the palette onto Bulma's variables so every Bulma component follows. */
:root {
  --bulma-family-primary: var(--pp-font-body);
  --bulma-family-secondary: var(--pp-font-heading);
  --bulma-scheme-main: var(--pp-bg);
  --bulma-scheme-main-bis: var(--pp-surface);
  --bulma-scheme-main-ter: var(--pp-surface);
  --bulma-background: var(--pp-surface);
  --bulma-body-background-color: var(--pp-bg);
  --bulma-body-color: var(--pp-text);
  --bulma-text: var(--pp-text);
  --bulma-text-weak: var(--pp-muted);
  --bulma-text-strong: var(--pp-ink);
  --bulma-title-color: var(--pp-ink);
  --bulma-subtitle-color: var(--pp-text);
  --bulma-strong-color: var(--pp-ink);
  --bulma-border: var(--pp-border);
  --bulma-border-weak: var(--pp-border);
  --bulma-hr-background-color: var(--pp-border);
  --bulma-link-text: var(--pp-link);
  --bulma-link-text-hover: var(--pp-gold-hover);
  --bulma-link-text-active: var(--pp-gold-hover);
  --bulma-pre: var(--pp-ink);
  --bulma-pre-background: var(--pp-surface);
  --bulma-code: var(--pp-gold-text);
  --bulma-code-background: var(--pp-gold-tint);
  --bulma-table-color: var(--pp-text);
  --bulma-table-background-color: transparent;
  --bulma-table-cell-border-color: var(--pp-border);
  --bulma-table-cell-heading-color: var(--pp-ink);
  --bulma-table-head-cell-color: var(--pp-ink);
  --bulma-content-heading-color: var(--pp-ink);
  --bulma-content-blockquote-background-color: var(--pp-surface);
  --bulma-content-blockquote-border-left: 4px solid var(--pp-gold);
  --bulma-footer-background-color: var(--pp-footer-bg);
  --bulma-radius: var(--pp-radius-md);
  --bulma-radius-small: var(--pp-radius-sm);
  --bulma-radius-large: var(--pp-radius-lg);
}

html {
  background-color: var(--pp-bg);
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;     /* keep #anchors clear of the sticky nav */
}

body {
  font-family: var(--pp-font-body);
  color: var(--pp-text);
  /* soft gold glow behind the title */
  background:
    radial-gradient(ellipse 70% 520px at 50% -80px, var(--pp-glow), transparent 75%) no-repeat,
    var(--pp-bg);
}

::selection {
  background: var(--pp-gold);
  color: #000;
}

/* --------------------------------------------------------------------------
   Navigation: a floating pill that sticks to the top
   -------------------------------------------------------------------------- */
.navbar.site-nav {
  position: sticky;
  top: 0.75rem;
  z-index: 30;
  max-width: min(1000px, calc(100% - 1.5rem));
  margin: 0.75rem auto 0;
  padding: 0 0.5rem;
  min-height: 3.25rem;
  border-radius: var(--pp-radius-pill);
  background-color: var(--pp-nav-bg);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border: 1px solid rgba(207, 184, 124, 0.35);
  box-shadow: 0 8px 30px var(--pp-shadow);
  font-family: var(--pp-font-heading);
}
.site-nav > .container {
  min-height: 3.25rem;
}
.site-nav .navbar-item,
.site-nav .navbar-link {
  color: var(--pp-nav-text);
  font-weight: 600;
  background-color: transparent;
  border-radius: var(--pp-radius-pill);
}
.site-nav a.navbar-item:hover,
.site-nav a.navbar-item:focus-visible,
.site-nav .navbar-link:hover,
.site-nav .navbar-link:focus-visible,
.site-nav .navbar-item.has-dropdown:hover .navbar-link,
.site-nav .navbar-item.has-dropdown:focus-within .navbar-link {
  background-color: rgba(207, 184, 124, 0.12);
  color: var(--pp-gold);
}
.site-nav .navbar-link:not(.is-arrowless)::after {
  border-color: var(--pp-gold);
}
.site-nav .site-brand {
  color: var(--pp-gold);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}
.site-nav .site-brand:hover {
  background-color: transparent !important;
}
/* The brand fills the bar so the light/dark button sits at the right edge. */
.site-nav .navbar-brand {
  flex-grow: 1;
}
.site-nav .theme-toggle-item {
  margin-left: auto;
}
.site-nav .theme-toggle-item:hover {
  background-color: transparent !important;
}

/* Light/dark toggle button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--pp-radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: transparent;
  color: var(--pp-nav-text);
  cursor: pointer;
  font-size: 0.95rem;
  transition: color 0.15s, border-color 0.15s, transform 0.3s;
}
.theme-toggle:hover {
  color: var(--pp-gold);
  border-color: var(--pp-gold);
  transform: rotate(-15deg);
}
.theme-toggle .fa-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .fa-sun { display: inline-block; }
:root[data-theme="dark"] .theme-toggle .fa-moon { display: none; }

/* --------------------------------------------------------------------------
   Header: title, authors, links
   -------------------------------------------------------------------------- */
.publication-hero .hero-body {
  padding-top: 3.75rem;
  padding-bottom: 1.75rem;
}
.publication-title {
  font-family: var(--pp-font-heading);
  font-weight: 800;
  color: var(--pp-ink);
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.publication-title::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 5px;
  margin: 1.1rem auto 0;
  border-radius: var(--pp-radius-pill);
  background: var(--pp-gold);
}
.publication-subtitle {
  font-family: var(--pp-font-heading);
  color: var(--pp-text);
  margin-top: 0.75rem !important;
}
.publication-venue {
  display: inline-block;
  margin: 1rem 0 0.25rem;
  padding: 0.3rem 1rem;
  border-radius: var(--pp-radius-pill);
  background: var(--pp-gold-tint);
  border: 1px solid rgba(207, 184, 124, 0.45);
  color: var(--pp-gold-text);
  font-family: var(--pp-font-heading);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.85rem;
}
.publication-award {
  display: inline-block;
  margin: 1rem 0 0.25rem 0.35rem;
  padding: 0.3rem 1rem;
  border-radius: var(--pp-radius-pill);
  background: var(--pp-gold);
  color: #000;
  font-family: var(--pp-font-heading);
  font-weight: 700;
  font-size: 0.85rem;
}
.publication-authors {
  font-family: var(--pp-font-heading);
  margin-top: 1.25rem;
  color: var(--pp-ink);
}
.publication-authors a {
  color: var(--pp-link);
  font-weight: 600;
}
.publication-authors a:hover {
  color: var(--pp-gold-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.author-block {
  display: inline-block;
  margin: 0 0.15em;
}
.author-block sup {
  font-size: 0.65em;
  margin-left: 0.1em;
}
.publication-affiliations {
  margin-top: 0.35rem;
  font-size: 1.1rem !important;
  color: var(--pp-text);
}
.publication-notes {
  margin-top: 0.4rem;
  color: var(--pp-muted);
  font-size: 0.95rem;
}
.publication-links {
  margin-top: 1.6rem;
}
.link-block {
  display: inline-block;
}
.link-block .button {
  margin: 0.25rem 0.2rem;
  padding-left: 1.15em;
  padding-right: 1.15em;
  border-radius: var(--pp-radius-pill);
  font-family: var(--pp-font-heading);
  font-weight: 700;
  background-color: var(--pp-button-bg);
  border: 1px solid var(--pp-button-border);
  color: var(--pp-button-text);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.link-block .button:hover,
.link-block .button:focus-visible {
  background-color: var(--pp-button-hover-bg);
  border-color: var(--pp-button-hover-bg);
  color: var(--pp-button-hover-text);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--pp-shadow);
}
.link-block .button .icon {
  color: inherit;
}

/* --------------------------------------------------------------------------
   Teaser and carousel
   -------------------------------------------------------------------------- */
.teaser .hero-body {
  padding-top: 0.5rem;
  padding-bottom: 2.5rem;
}
.teaser .teaser-media,
.teaser video,
.teaser img {
  display: block;
  width: 100%;
  border-radius: var(--pp-radius-lg);
  box-shadow: 0 20px 50px var(--pp-shadow-strong);
}
.teaser .publication-video {
  border-radius: var(--pp-radius-lg);
  box-shadow: 0 20px 50px var(--pp-shadow-strong);
}
.teaser-caption {
  margin-top: 1.6rem !important;
  color: var(--pp-text);
  font-family: var(--pp-font-heading);
  font-size: 1.25rem;
  line-height: 1.5;
}
.teaser-caption strong {
  color: var(--pp-ink);
}

.carousel-section {
  padding: 0 1rem;
}
.carousel-card {
  background-color: var(--pp-surface);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-xl);
  padding: 1.25rem 1rem 0.75rem;
  overflow: hidden;
}
.results-carousel {
  overflow: hidden;
  padding-bottom: 1.75rem;        /* room for the page dots */
}
.results-carousel .item {
  aspect-ratio: var(--pp-carousel-ratio, 16 / 9);   /* same shape for every slot */
  margin: 6px;
  overflow: hidden;
  border-radius: var(--pp-radius-md);
  padding: 0;
  font-size: 0;
  background: #000;
  box-shadow: 0 6px 18px var(--pp-shadow);
}
.results-carousel video,
.results-carousel img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: 0;
}
/* bulma-carousel arrows and dots */
.carousel-card .slider-navigation-previous,
.carousel-card .slider-navigation-next {
  background-color: var(--pp-bg) !important;
  border: 1px solid var(--pp-border) !important;
  box-shadow: 0 4px 14px var(--pp-shadow) !important;
}
.carousel-card .slider-navigation-previous svg,
.carousel-card .slider-navigation-next svg {
  stroke: var(--pp-ink);
}
.carousel-card .slider-pagination {
  bottom: -1.5rem;                /* below the videos, inside the padding above */
  padding: 0;
}
.carousel-card .slider-pagination .slider-page {
  background: var(--pp-border);
  box-shadow: none;
}
.carousel-card .slider-pagination .slider-page.is-active {
  background: var(--pp-gold);
}

/* --------------------------------------------------------------------------
   Markdown body
   -------------------------------------------------------------------------- */
.page-content {
  font-size: 1.05rem;
  line-height: 1.7;
}
.content.page-content h2 {
  font-family: var(--pp-font-heading);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-align: center;
  color: var(--pp-ink);
  margin-bottom: 1.5rem;
}
.content.page-content h2:not(:first-child) {
  margin-top: 3.75rem;
}
.content.page-content h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 4px;
  margin: 0.75rem auto 0;
  border-radius: var(--pp-radius-pill);
  background: var(--pp-gold);
}
.content.page-content h3 {
  font-family: var(--pp-font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--pp-ink);
}
.content.page-content h3:not(:first-child) {
  margin-top: 2rem;
}
.content.page-content h4 {
  font-family: var(--pp-font-heading);
  font-weight: 700;
  color: var(--pp-ink);
}
@media screen and (min-width: 769px) {
  .page-content > p {
    text-align: justify;
    hyphens: auto;
  }
}
.page-content a {
  text-decoration: underline;
  text-decoration-color: var(--pp-gold);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.page-content a:hover {
  color: var(--pp-gold-hover);
}
.page-content img,
.page-content video {
  max-width: 100%;
  border-radius: var(--pp-radius-md);
}
.content.page-content code {
  border-radius: var(--pp-radius-sm);
  padding: 0.15em 0.45em;
  font-size: 0.85em;
}
.content.page-content pre {
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-md);
  font-size: 0.9rem;
}
.content.page-content pre code {
  background: transparent;
  padding: 0;
  font-size: 1em;
}
.content.page-content blockquote {
  color: var(--pp-text);
  border-radius: 0 var(--pp-radius-md) var(--pp-radius-md) 0;
}
.page-content hr {
  height: 1px;
  margin: 3rem auto;
}
/* A small caption under a table: <p class="table-note">...</p> */
.content.page-content .table-note {
  margin-top: -0.75rem;
  color: var(--pp-muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Tables: a rounded card */
.content.page-content table {
  display: block;                 /* lets wide tables scroll sideways on phones */
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  margin: 1.5rem auto;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-md);
}
.content.page-content table th,
.content.page-content table td {
  padding: 0.6em 1.1em;
  border-width: 0 0 1px;
}
.content.page-content table thead th {
  background: var(--pp-surface);
  border-bottom: 1px solid var(--pp-border);
}
.content.page-content table tbody tr:last-child td {
  border-bottom-width: 0;
}
.content.page-content table tbody tr:hover {
  background: var(--pp-gold-tint);
}

/* Figures (figure.html, grid.html, compare.html) */
.content .media-figure {
  margin: 1.75rem auto;
  text-align: center;
}
.media-figure img,
.media-figure video {
  display: block;
  width: 100%;
  border-radius: var(--pp-radius-md);
}
.content .media-figure figcaption {
  margin-top: 0.75rem;
  color: var(--pp-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  font-style: normal;
  text-align: center;
}
.media-grid {
  margin-top: 1rem;
  margin-bottom: 1rem;
}
.content .media-grid .media-figure {
  margin: 0;
}

/* YouTube (youtube.html) */
.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: var(--pp-radius-lg);
  background: #000;
  margin: 1.5rem 0;
  box-shadow: 0 12px 34px var(--pp-shadow);
}
.publication-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* Frame slider (frame-slider.html) */
.interpolation-panel {
  background: var(--pp-surface);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-lg);
  padding: 1rem;
  margin: 1.75rem 0 !important;
}
.interpolation-panel .interpolation-image {
  width: 100%;
  border-radius: var(--pp-radius-md);
}
.interpolation-panel p {
  margin-top: 0.5rem;
  color: var(--pp-muted);
  font-size: 0.95rem;
  text-align: center;
}
.interpolation-image-wrapper {
  width: 100%;
  min-height: 3rem;
  text-align: center;
  color: var(--pp-muted);
}
.interpolation-image-wrapper img {
  display: block;
  width: 100%;
  border-radius: var(--pp-radius-md);
  user-select: none;
  -webkit-user-drag: none;
}
.interpolation-panel .slider {
  margin: 0.75rem 0 0 !important;
}
input[type="range"].slider::-webkit-slider-thumb {
  background: var(--pp-gold) !important;
  border: 3px solid var(--pp-bg) !important;
  border-radius: 50% !important;
  box-shadow: 0 2px 8px var(--pp-shadow-strong) !important;
}
input[type="range"].slider::-moz-range-thumb {
  background: var(--pp-gold) !important;
  border: 3px solid var(--pp-bg) !important;
  border-radius: 50% !important;
  box-shadow: 0 2px 8px var(--pp-shadow-strong) !important;
}
input[type="range"].slider::-webkit-slider-runnable-track {
  background: var(--pp-border) !important;
  border-radius: var(--pp-radius-pill) !important;
}
input[type="range"].slider::-moz-range-track {
  background: var(--pp-border) !important;
  border-radius: var(--pp-radius-pill) !important;
}

/* Before/after comparison (compare.html) */
.compare {
  --pos: 50%;
  position: relative;
  overflow: hidden;
  border-radius: var(--pp-radius-lg);
  line-height: 0;
  cursor: ew-resize;
  user-select: none;
  box-shadow: 0 12px 34px var(--pp-shadow);
}
.compare img {
  display: block;
  width: 100%;
  border-radius: 0 !important;
  pointer-events: none;
}
.compare .compare-before {
  position: absolute;
  inset: 0;
  clip-path: inset(0 calc(100% - var(--pos)) 0 0);
}
.compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 3px;
  margin-left: -1.5px;
  background: var(--pp-gold);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}
.compare-handle::after {
  content: "\2039\2003\203A";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 3px solid #fff;
  background: var(--pp-gold);
  color: #000;
  font: 700 1.1rem/2.3rem var(--pp-font-heading);
  text-align: center;
  letter-spacing: -0.1em;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}
.compare-label {
  position: absolute;
  top: 0.75rem;
  padding: 0.2rem 0.75rem;
  border-radius: var(--pp-radius-pill);
  background: rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: #fff;
  font: 700 0.8rem/1.5 var(--pp-font-heading);
  pointer-events: none;
}
.compare-label-before { left: 0.75rem; }
.compare-label-after { right: 0.75rem; }
.compare-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}

/* Math: $$...$$ becomes .math-block / .math-inline, rendered by KaTeX */
.page-content .katex {
  color: var(--pp-ink);
}
.page-content .math-block {
  margin: 1.5rem 0;
  overflow-x: auto;
  overflow-y: hidden;
  text-align: center;
}

/* --------------------------------------------------------------------------
   BibTeX and footer
   -------------------------------------------------------------------------- */
.bibtex-section {
  padding-top: 1rem;
}
.bibtex-section .title {
  font-family: var(--pp-font-heading);
  font-weight: 800;
  color: var(--pp-ink);
}
.bibtex-block {
  position: relative;
}
.bibtex-block pre {
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-lg);
  padding: 1.4rem 1.6rem;
  font-size: 0.9rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}
.copy-bibtex {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  border-radius: var(--pp-radius-pill);
  background: var(--pp-bg);
  border-color: var(--pp-border);
  color: var(--pp-text);
  font-family: var(--pp-font-heading);
  font-weight: 700;
}
.copy-bibtex:hover {
  background: var(--pp-gold);
  border-color: var(--pp-gold);
  color: #000;
}

/* Curved footer with a gold rim */
.site-footer {
  margin-top: 2.5rem;
  background-color: var(--pp-footer-bg);
  border-top: 3px solid var(--pp-gold);
  border-radius: var(--pp-radius-xl) var(--pp-radius-xl) 0 0;
  padding: 2.75rem 1.5rem 3rem;
}
.site-footer .content,
.site-footer p {
  color: var(--pp-footer-text);
}
.site-footer a {
  color: var(--pp-gold);
}
.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
}
.site-footer .footer-icons {
  margin-bottom: 1.1rem;
}
.site-footer .icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin: 0 0.25rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 1.15rem;
  color: var(--pp-footer-text);
  transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}
.site-footer .icon-link:hover {
  color: #000;
  background-color: var(--pp-gold);
  border-color: var(--pp-gold);
  text-decoration: none;
}
.site-footer .footer-text {
  font-family: var(--pp-font-heading);
  font-weight: 600;
  color: #e6e4dc;
}
.site-footer .footer-credit {
  font-size: 0.85rem;
  color: #8f8f88;
}

/* --------------------------------------------------------------------------
   Small screens
   -------------------------------------------------------------------------- */
@media screen and (max-width: 768px) {
  .publication-hero .hero-body {
    padding: 2.25rem 1rem 1.25rem;
  }
  .publication-title {
    font-size: 2rem;
  }
  .publication-authors {
    font-size: 1.05rem !important;
  }
  .publication-affiliations {
    font-size: 0.95rem !important;
  }
  .teaser .hero-body {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .teaser-caption {
    font-size: 1.1rem;
  }
  .carousel-section {
    padding: 0 0.75rem;
  }
  .carousel-card {
    border-radius: var(--pp-radius-lg);
    padding: 0.75rem 0.5rem 0.5rem;
  }
  .content.page-content table th,
  .content.page-content table td {
    padding: 0.5em 0.7em;
  }
  .content.page-content h2 {
    font-size: 1.6rem;
  }
  .page-content {
    font-size: 1rem;
  }
  .site-footer {
    border-radius: var(--pp-radius-lg) var(--pp-radius-lg) 0 0;
  }
}