.scrolly-container {
  position: relative;
  margin-top: 1rem;
  padding-bottom: 0;
  margin-bottom: 3rem;
}

/* mask */
.sticky-intro-mask {
  position: sticky;
  top: 0;
  background-color: var(--white);
  z-index: 15;
  padding: 1.5rem 0;
  margin-bottom: 0.1rem;
}

.century-col {
  grid-column: 1;
  margin-bottom: 69vh;
}

.scrolling-col {
  grid-column: 2 / 4;
  padding-top: 1vh;
  z-index: 5;
}

.scrolly-grid {
  position: relative;
  z-index: 5;
}

.sticky-century {
  position: sticky;
  top: 15vh;
  z-index: 11;
  font-family: H2;
  font-size: 5rem; /* H2 size */
  line-height: 1;
  text-align: right;
  color: var(--blue);
  padding-top: 0.5rem;
}

.decade {
  font-family: H2;
  font-size: 5rem;
  line-height: 1;
  color: var(--blue);
  padding-top: 0.5rem;
  margin-top: -0.5rem;
}

/* Timeline Layout Updates */
.step {
  display: flex;
  gap: 2rem;
  margin-bottom: 25vh;
  opacity: 1;
}

.step:last-child {
  margin-bottom: 64.7vh;
}

/* Semi-transparent mask behind text blocks */
.step-text {
  padding: 1.5rem;
}

.data-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  padding-right: 1.5rem;
  font-family: body;
  color: var(--blue);
  line-height: 0.8;
  text-align: left;
}

.step-text h3 {
  font-family: H2;
  margin-top: 0;
}

/* Timeline D3 Chart Styles */
#timeline-chart-container {
  background-color: var(--white);
  position: sticky;
  top: 50vh;
  height: 50vh;
  width: 100%;
  z-index: 100;
  pointer-events: none;
}
#timeline-chart-container text {
  font-family: body !important;
}

.chart-line {
  fill: none;
  stroke-width: 2.5px;
}

.chart-zero-baseline {
  stroke: var(--blue);
  stroke-width: 1px;
  stroke-dasharray: 4 4;
  opacity: 0.3;
}

.chart-highlight {
  fill: var(--lightblue);
  opacity: 0;
  transition: x 0.5s ease, width 0.5s ease, opacity 0.5s ease;
}

@media (max-width: 900px) {
  .century-col,
  .scrolling-col {
    grid-column: 1;
  }
  .sticky-century {
    text-align: left;
    top: 10vh;
  }
  .step {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* Tooltip styling */
.chart-tooltip {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--blue);
  padding: 10px;
  pointer-events: none; /* Let mouse pass through */
  opacity: 0;
  color: var(--blue);
  font-family: body;
  font-size: 0.85rem;
  z-index: 1000;
}

.tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  margin: 2px 0;
}

/* MAP */
/* #map-id-Italy {
  fill: var(--lightblue) !important;
  opacity: 1 !important;
} */

.sticky-map-title {
  position: sticky;
  top: 0; /* top of the window */
  z-index: 20; /* visually on top of map */
  background-color: var(--white, #ffffff);
  padding: 1rem 0 1.5rem 0;
  margin: 0;
  text-align: center;
}

.interactive-map-section {
  position: relative;
  width: 100%;
  box-sizing: border-box;
  padding-left: 5vw;
  padding-right: 5vw;
  margin-top: 0rem;
  margin-bottom: 5rem;
  padding-top: 3rem;
}

.map-scrolly-layout {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  text-align: left;
}

/* Sidebar Map */
#map-sidebar {
  width: 20%;
  position: sticky;
  top: 10vh;
  height: 80vh;
  overflow-y: auto;
  border-right: 1px solid var(--lightblue);
  padding-right: 1rem;
}

#map-sidebar h3 {
  margin: 0;
  padding: 3rem 0 1rem 0;
  position: sticky;
  top: 0;
  background-color: var(--white, #ffffff);
  z-index: 10;
  /* border-bottom: 1px solid var(--lightblue); */
}

#map-ranking-list {
  list-style: none;
  padding: 1rem 0 0 0;
  margin-top: 1.5rem;
}

#map-ranking-list li {
  padding: 0.8rem 0.5rem;
  border-bottom: 1px solid rgba(96, 181, 255, 0.3); /* a bit transparent */
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  font-family: body;
  font-size: 0.9rem;
  color: var(--blue);
  transition: background-color 0.2s ease, color 0.2s ease;
}

#map-right-column {
  width: 80%;
  position: relative;
}

#map-container {
  position: sticky;
  top: 10vh;
  width: 100%;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

#map-scroll-text {
  position: relative;
  z-index: 2;
  padding-bottom: 20vh;
  pointer-events: none;
}

.map-step {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.map-step-content {
  background-color: rgba(255, 255, 255, 0.95);
  padding: 1.5rem;
  border: 1px solid var(--blue);
  pointer-events: auto;
  max-width: 300px;
  box-shadow: 0 4px 15px rgba(3, 90, 166, 0.1);
}

/* colors map */
.country,
.region {
  fill: var(--blue);
  stroke: var(--white);
  stroke-width: 0.01rem;
  transition: fill 0.2s ease, opacity 0.2s ease;
  cursor: pointer;
}

/* highlight */
#map-ranking-list li.highlighted {
  background-color: var(--brown);
  color: var(--white);
}

.country.highlighted,
.region.highlighted {
  fill: var(--brown) !important;
  opacity: 1 !important;
}

#map-sidebar::-webkit-scrollbar {
  width: 6px;
}
#map-sidebar::-webkit-scrollbar-thumb {
  background-color: var(--blue);
  border-radius: 10px;
}