@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700&family=Merriweather:ital,wght@0,400;0,700;1,400&display=swap');

#sections-wrapper {
  position: relative;
}

/* Default: hidden, stacked at top of wrapper */
.page-section {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 50px 40px;
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}

/* Fallback before JS runs: show first section (also covers standalone pages) */
.page-section:first-of-type {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

/* Once JS wraps sections, override the first-of-type fallback */
#sections-wrapper .page-section:first-of-type {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  z-index: 1;
}

/* JS-controlled active section: in normal flow so wrapper has correct height */
#sections-wrapper .page-section.section-active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

/* Both cards share the same duration and easing so they hit 50% opacity
   simultaneously at the midpoint — the definition of a true crossfade */
#sections-wrapper .page-section.section-entering {
  z-index: 3;
  transition: opacity 0.8s ease-in-out;
}

#sections-wrapper .page-section.section-leaving {
  transition: opacity 0.8s ease-in-out;
}

body {
  font-family: 'Lato', sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: #2c2c2c;
  background-color: #ffffff;
}

h1, h2, h3, h4 {
  font-family: 'Merriweather', serif;
  font-weight: 700;
  color: #1a1a1a;
}

p {
  margin-bottom: 1.1em;
}

a, a:link, a:visited, a:active {
  color: #3f6e50 !important;
  text-decoration: none;
}

a:hover {
  color: #2b5238 !important;
  text-decoration: underline;
}

/* Navbar */
.navbar {
  font-size: 13px;
}

.navbar-nav > li > a {
  padding-left: 7px;
  padding-right: 7px;
}

.navbar-inverse {
  background-color: #3f6e50 !important;
  border-color: #3f6e50 !important;
}

.navbar-inverse .navbar-brand,
.navbar-inverse .navbar-nav > li > a,
.navbar-inverse .navbar-nav > li > a:hover,
.navbar-inverse .navbar-nav > li > a:focus {
  color: #ffffff !important;
}

.navbar-inverse .navbar-nav > .active > a,
.navbar-inverse .navbar-nav > .active > a:hover,
.navbar-inverse .navbar-nav > .active > a:focus {
  background-color: rgba(255, 255, 255, 0.25) !important;
  color: #ffffff !important;
  border-radius: 4px;
}

.profile-figure {
  float: right;
  width: 150px;
  margin: 4px 0 20px 30px;
}

.profile-figure img {
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18);
}

.profile-figure figcaption {
  font-size: 0.78em;
  color: #888;
  text-align: center;
  margin-top: 6px;
}

.content-block {
  overflow: hidden;
}

/* Abstract toggle button */
.abstract-btn {
  display: inline-block;
  cursor: pointer;
  font-size: 0.8em;
  padding: 2px 10px;
  margin-left: 8px;
  border: 1px solid #3f6e50;
  border-radius: 3px;
  color: #3f6e50 !important;
  background: transparent;
  vertical-align: middle;
  line-height: 1.6;
}

.abstract-btn:hover {
  background-color: #3f6e50;
  color: #fff !important;
  text-decoration: none !important;
}

.abstract-content {
  display: none;
  margin-top: 10px;
  padding: 12px 15px;
  background: #f8f9fa;
  border-left: 3px solid #3f6e50;
  font-size: 0.93em;
  color: #444;
  line-height: 1.6;
}

/* Smooth transitions for dark mode */
body, .navbar-inverse, a, h1, h2, h3, h4 {
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

/* Dark mode */
body.dark-mode {
  background-color: #11201a;
  color: #c8c8d0;
}


body.dark-mode h1, body.dark-mode h2,
body.dark-mode h3, body.dark-mode h4 {
  color: #e8e8f0;
}

body.dark-mode .navbar-inverse {
  background-color: #0a1912 !important;
  border-color: #0a1912 !important;
}

body.dark-mode a, body.dark-mode a:link,
body.dark-mode a:visited, body.dark-mode a:active {
  color: #6aab89 !important;
}

body.dark-mode a:hover {
  color: #98ccb0 !important;
}

body.dark-mode .abstract-content {
  background: #11201a;
  border-left-color: #6aab89;
  color: #b0b8c8;
}

body.dark-mode .abstract-btn {
  border-color: #6aab89 !important;
  color: #6aab89 !important;
}

body.dark-mode .abstract-btn:hover {
  background-color: #6aab89 !important;
  color: #fff !important;
}

body.dark-mode blockquote {
  background: #11201a !important;
  border-left-color: #6aab89 !important;
  color: #b0b8c8 !important;
}

body.dark-mode .navbar-inverse .navbar-brand,
body.dark-mode .navbar-inverse .navbar-nav > li > a {
  color: #e8e8f0 !important;
}

body.dark-mode iframe {
  filter: invert(0.85) hue-rotate(180deg);
}

/* Language switching */
span.lang-ca, div.lang-ca { display: none; }
body.ca span.lang-en { display: none; }
body.ca div.lang-en { display: none; }
body.ca span.lang-ca { display: inline; }
body.ca div.lang-ca { display: block; }

/* Tighten navbar item spacing in Catalan to keep everything on one line */
body.ca .navbar-nav > li > a {
  padding-left: 7px;
  padding-right: 7px;
}