/* css styles */

/* Style for Pymablock mentions */
.pymablock {
  color: #8b4aa0ff;
  font-weight: bold;
}

/* Quarto footer positioned at bottom right */
.quarto-footer {
  position: fixed;
  bottom: 20px;
  right: 20px;
  font-size: 0.8rem;
  color: #6c757d;
  padding: 5px 10px;
  border-radius: 4px;
  z-index: 1000;
}

.quarto-footer a {
  color: #6c757d;
  text-decoration: none;
}

.quarto-footer a:hover {
  color: #495057;
  text-decoration: underline;
}

/* Adjust text font size */
h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.6rem;
}

h3 {
  font-size: 1.4rem;
}

body {
  font-size: 1.05rem;
}




/* Darker link highlighting */
a {
  color: rgb(51, 140, 115);
}

.trajectory-section {
  margin-top: 1rem;
  /* margin: 2rem auto; */
  /* padding: 1.65rem; */
  /* background: #ffffff; */
  /* border-radius: 1.5rem; */
  /* box-shadow: 0 20px 45px rgba(20, 44, 56, 0.08); */
}

.trajectory-section h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.4rem;
}

.trajectory-stepper {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.stepper-track {
  position: relative;
  height: 3.5rem;
  margin-bottom: 0.35rem;
}

.stepper-track::before {
  content: "";
  position: absolute;
  top: 2.6rem;
  left: 0;
  right: 0;
  height: 4px;
  background: rgba(51, 140, 115, 0.2);
  border-radius: 999px;
}

.stepper-track-fill {
  position: absolute;
  top: 2.6rem;
  left: 0;
  height: 4px;
  width: var(--step-progress, 0%);
  background: linear-gradient(90deg, rgb(51, 140, 115), rgb(28, 99, 87));
  border-radius: 999px;
  transition: width 320ms ease;
  transform: translateY(-50%);
}

.stepper-nodes {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 0 0.3rem;
}

.stepper-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  min-width: 0;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #3a4b51;
  pointer-events: auto;
  background: none;
  border: none;
  padding: 0.35rem 0.25rem;
  cursor: pointer;
  font: inherit;
}

.stepper-node:focus-visible {
  outline: 3px solid rgba(51, 140, 115, 0.45);
  outline-offset: 4px;
  border-radius: 0.5rem;
}

.stepper-node-year {
  font-weight: 600;
  margin-bottom: -0.2rem;
}

.stepper-node-dot {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  border: 3px solid #1c6357;
  background: #fff;
  box-shadow: 0 0 0 6px rgba(51, 140, 115, 0.08);
  margin-top: 0.4rem;
}

.stepper-node.is-complete .stepper-node-dot {
  background: #1c6357;
  border-color: #1c6357;
  box-shadow: 0 0 0 6px rgba(28, 99, 87, 0.15);
}

.stepper-node.is-active .stepper-node-year {
  color: #1c6357;
}

.stepper-node.is-purple .stepper-node-dot {
  border-color: #984eca;
  box-shadow: 0 0 0 6px rgba(123, 77, 194, 0.15);
}

.stepper-node.is-purple.is-complete .stepper-node-dot {
  background: #984eca;
  border-color: #984eca;
  box-shadow: 0 0 0 6px rgba(123, 77, 194, 0.25);
}

.stepper-node.is-purple.is-active .stepper-node-year {
  color: #984eca;
}

.stepper-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.65rem;
}

.stepper-btn {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.75rem 0.75rem;
  border: none;
  border-radius: 0.75rem;
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 16px rgba(14, 28, 36, 0.08);
  text-align: left;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease;
}

.stepper-btn:focus-visible {
  outline: 3px solid rgba(51, 140, 115, 0.35);
  outline-offset: 3px;
}

.stepper-btn.is-active {
  background: linear-gradient(125deg, rgba(51, 140, 115, 0.15), rgba(28, 99, 87, 0.15));
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(20, 44, 56, 0.12);
}

.stepper-sequence {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  height: 1.65rem;
  border-radius: 50%;
  font-weight: 600;
  font-size: 0.75rem;
  color: rgb(255, 255, 255);
  background: rgb(51, 140, 115);
  transition: background 200ms ease;
}

.stepper-btn:not(.is-active) .stepper-sequence {
  background: rgba(51, 140, 115, 0.45);
}

.stepper-copy strong {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.85rem;
}

.stepper-copy small {
  display: block;
  font-size: 0.68rem;
  color: #5f6c74;
}

.stepper-panels {
  border-radius: 1rem;
  background: #f7fbfa;
  padding: 1.05rem;
  box-shadow: inset 0 0 0 1px rgba(51, 140, 115, 0.08);
}

.stepper-panel {
  display: none;
  animation: fadeSlideIn 260ms ease;
  font-size: 0.9rem;
  line-height: 1.35;
}

.stepper-panel.is-active {
  display: block;
}

.stepper-panel-heading {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.stepper-panel-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: #1f2f35;
}

.stepper-panel-subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: #5f6c74;
}

.stepper-panel-period {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgb(51, 140, 115);
  margin-bottom: 0;
}

.stepper-panel-list {
  margin-top: 1rem;
  padding-left: 1rem;
  display: grid;
  gap: 0.25rem;
  font-size: 0.9rem;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .trajectory-section {
    padding: 1.35rem 1rem;
  }

  .stepper-buttons {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 600px) {
  .stepper-btn {
    flex-direction: row;
    align-items: center;
  }

  .stepper-panels {
    padding: 0.9rem;
    font-size: 0.88rem;
  }
}

.listing-toggle {
  margin: 1.75rem 0;
  padding: 0.4rem 0;
}

.listing-toggle summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: #1f2f35;
  cursor: pointer;
  list-style: none;
  position: relative;
}

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

.listing-toggle summary::after {
  content: "▸";
  font-size: 1rem;
  margin-left: auto;
  color: #5a6b72;
  transition: transform 180ms ease;
}

.listing-toggle[open] summary::after {
  transform: rotate(90deg);
}

.listing-toggle[open] {
  border-color: transparent;
  box-shadow: none;
}

.listing-toggle > :not(summary) {
  margin-top: 1rem;
}