/* This is an example CSS file. If you include it in your portfolio, it'll provide some clean and basic styling */
/* for your page. Feel free to experiment with the values, or copy them into a new file and use that instead. */

/* These are comments in CSS. Comments don't do anything except explain your working to make code easier to understand. */

/* Navigation Bar */

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
  margin-bottom: 0.5rem;
  font-family: 'Palatino', 'URW Palladio L', serif;
}

.nav-name {
  font-size: 3rem;
  font-weight: 600;
  color: #1f1b5e;
}

.nav-links a {
  margin-left: 1.5rem;
  font-size: 1.5rem;
  color:#170e8f;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  text-decoration: underline;
  border-bottom: 2px solid color(#4b468d);
}

/* Body */

body {
  font-family: 'Palatino', 'URW Palladio L', serif;
  font-size: 16.7px;
  color: #333;
  line-height: 1.6;
  background-color: #EFEFF6;
  margin: 0 auto;
  max-width: 1100px;
  padding-top: 25px;
}


/* Headings */
h1 {
  font-family: 'Palatino', 'URW Palladio L', serif;
  font-size: 1.5rem;
  line-height: 1.6;
  font-weight: 700;
  color: #1f1b5e;
  margin: 1.2rem 0 0.8rem;
  text-align: left;
}

.centered-title {
  text-align: center;
}

.left-text {
  text-align: left;
}

h2{
  font-family: 'Palatino', 'URW Palladio L', serif;
  font-size: 2.1rem;
  line-height: 1.15;
  font-weight: 700;
  color: #333;         
  margin: 1.6rem 0 0.9rem;
  text-align: center;
}

h3 {
  font-family: 'Palatino', 'URW Palladio L', serif;
  font-size: 1.55rem;
  line-height: 1.2;
  font-weight: 650;
  color: #2d2a55;
  margin: 1.2rem 0 0.7rem;
  text-align: center;
}

h4, h5, h6 {
  font-family: 'Palatino', 'URW Palladio L', serif;
  font-size: 1.44rem;
  line-height: 1.6;
  font-weight: 200;
  color: #525A76;
  margin: 1.2rem 0 0.7rem;
  text-align: left;
}


/* We want the headings to be a little bigger than the paragraph text */
.big {
  font-size: 2.3em;
}

.small {
  font-size: 1.8em;
}

.bolder {
  font-weight: 800;
}

/* Paragraph */
p {
  font-family: 'Palatino', 'URW Palladio L', serif;
  font-size: 1.28rem;
  line-height: 1.5;
  font-weight: 400;
  color: #525A76;
  margin: 2rem 0 0.6rem;
}

.lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: #2d2a55;
  text-align: center;
  max-width: 70ch;
  margin: 0.6rem auto 0;
}

section {
  margin-bottom: 2.5em;
  max-width: 1000px;
  margin: 2rem auto;
  padding: 2rem 2rem;
  background: #fdfdfd;
  border-radius: 12px;
  border: none;
  box-shadow: 0 14px 34px rgba(0,0,0,0.10), inset 0 4px 0 rgba(31, 27, 94, 0.18);
}

section > h2 {
  text-align: center;
  margin-top: 0;
  margin-bottom: 1rem;
}

/* Links */
a {
  color:#170e8f;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  border-bottom: 2px solid color(#4b468d);
}

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

/* Project section (fade into page background) */
section.project-section {
  background: #EFEFF6;
  box-shadow: none;
  border: none;
  border-radius: 0;
  padding: 2rem 0;
  max-width: 1000px; 
  margin: 2rem auto; 
}

/* Chart Blocks */
.chart-block {
  width: fit-content;
  margin: 2.5rem auto;
  /* border: 2px dashed red; */
}

.chart-block figure {       
  width: 100%;
  margin: 0 auto;
}

.chart-title {
  text-align: left;
  width: 100%;
  font-size: 1.3rem;
  font-style: normal;
  font-weight: 650;
  margin: 0 0 1rem;
  color: #1f1b5e;
  font-family: 'Palatino', 'URW Palladio L', serif;
}

/* Side-by-side chart layout (description left, chart right) */
.chart-layout {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
}

.chart-text {
  flex: 0 0 38%;
  display: flex;
  flex-direction: column;
  justify-content: center;  
}

.chart-text h2,
.chart-text h3 {
  text-align: left;
  margin-top: 8rem;
  font-size: 1.8rem;
}

.chart-text p {
  font-size: 1.2rem;
  line-height: 1.5;
  color: #525A76;
  margin-top: 0.25rem;
}

.chart-figure {
  flex: 0 0 100%;
}

/* Charts and Maps Panels */
.charts-row {
  display: flex;
  gap: 40px;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 1.5rem;
}

.chart-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.chart-panel figure {
  margin: 0;
  width: 100%;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 2rem;
}

.chart-grid .chart {
  width: 100%;
}

.maps-row {
  display: flex;
  gap: 40px;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 1.5rem;
}

.map-panel {
  flex: 1;
  max-width: 50%; 
  align-items: stretch;
}

.map-panel h3 {
  margin-bottom: 0.5rem;
}

.map-panel figure {
  width: 100%;
  margin: 0;
}

/* Academic integrity dropdown */
.academic-integrity-container {
  margin: 4rem auto 2rem;
  max-width: 400px;
  text-align: center;
}

.academic-integrity-btn {
  list-style: none;
  cursor: pointer;
  user-select: none;

  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;

  padding: 0.9rem 1.4rem;
  border-radius: 999px;

  background: #ffffff;
  color: #1f1b5e;
  border: 2px solid rgba(31, 27, 94, 0.35);
  box-shadow: 0 10px 26px rgba(0,0,0,0.10);

  font-family: 'Palatino', 'URW Palladio L', serif;
  font-size: 0.8rem;
  font-weight: 600;
}

/* remove default marker */
.academic-integrity-btn::-webkit-details-marker {
  display: none;
}

.academic-integrity-btn:hover {
  filter: brightness(0.98);
  box-shadow: 0 14px 34px rgba(0,0,0,0.12);
}

.academic-integrity-content {
  margin-top: 1rem;
  padding: 1.2rem 1.6rem;
  border-radius: 14px;
  background: #fafaff;
  border: 2px solid rgba(41, 3, 103, 0.35);
  box-shadow: 0 12px 28px rgba(0,0,0,0.10);
  text-align: center;
}
.academic-integrity-content p {
  margin: 0;
  font-size: 0.8rem;
}


/* ===================================
   Extra additions (fade + tasks + responsive)
   =================================== */

/* Fade-in effect for sections (apply class="fade-in-section" to a section) */
.fade-in-section {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .fade-in-section {
    transition: none;
    transform: none;
  }
}

/* Collapsible task brief (matches <details class="task-brief"> ... ) */
.task-brief {
  margin: 1rem auto 0;
  max-width: 900px;
}

/* Clickable "button" */
.task-summary {
  list-style: none;
  cursor: pointer;
  user-select: none;

  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;

  padding: 1rem 1.4rem;
  border-radius: 12px;

  background: #ffffff;
  color: #1f1b5e;
  border: 2px solid rgba(31, 27, 94, 0.35);
  box-shadow: 0 10px 26px rgba(0,0,0,0.10);

  font-family: 'Palatino', 'URW Palladio L', serif;
  font-size: 1.3rem;
  font-weight: 600;

  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.task-summary::-webkit-details-marker {
  display: none;
}

.task-summary:hover {
  filter: brightness(0.98);
  box-shadow: 0 14px 34px rgba(0,0,0,0.12);
}

.task-summary:active {
  transform: translateY(1px);
}

/* Chevron on the right */
.task-chevron {
  font-size: 0.95rem;
  opacity: 0.7;
  transition: transform 0.2s ease;
}

/* Rotate chevron when open */
.task-brief[open] .task-chevron {
  transform: rotate(180deg);
}

/* Revealed task content panel */
.task-content {
  margin-top: 1rem;
  padding: 1.6rem 2rem;
  border-radius: 14px;
  background: #fafaff;
  border: 2px solid rgba(41, 3, 103, 0.35);
  box-shadow: 0 12px 28px rgba(0,0,0,0.10);
  text-align: center;
}

.task-content p {
  margin: 0;
}

/* Ensure Vega/Vega-Lite embeds shrink to fit on smaller screens */
.vega-embed,
.vega-embed > div {
  width: 100% !important;
  max-width: 100% !important;
}

.vega-embed svg,
.vega-embed canvas {
  max-width: 100% !important;
  height: auto !important;
}

/* Vega-Embed actions (3 dots): keep it inside the chart corner, no weird spacing */
.vega-embed {
  position: relative;
}


.vega-actions {
  position: absolute !important;
  top: 10px !important;
  right: 10px !important;
  margin: 0 !important;
  padding: 0 !important;
  z-index: 5;
}

/* Responsive layout: stack when the page is narrow */
@media (max-width: 900px) {
  section {
    padding: 1.5rem 1.5rem;
  }

  .charts-row,
  .maps-row {
    flex-direction: column;
    gap: 24px;
    align-items: stretch;
  }

  .map-panel {
    max-width: 100%;
  }

  .chart-layout {
    flex-direction: column;
    gap: 1.5rem;
  }

  .chart-text {
    width: 100%;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  section {
    padding: 1.25rem 1rem;
  }

  .task-summary {
    padding: 0.95rem 1.1rem;
    font-size: 1rem;
  }

  .task-content {
    padding: 1rem 1rem;
  }
}

@media (max-width: 900px) {
  .chart-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .chart-grid {
    grid-template-columns: 1fr;
  }
}

/* End of CSS file */