/* Navigation refinement only. Approved imagery and visual identity are retained. */
.masthead nav .mobile-presentation-action { display: none; }
.masthead .top-request { white-space: nowrap; }

/* One keyboard-focusable skip link, visually concealed until it receives focus. */
.skip {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  border: 0;
}
.skip:focus {
  top: 12px;
  width: auto;
  height: auto;
  padding: 14px 20px;
  margin: 0;
  overflow: visible;
  clip: auto;
  clip-path: none;
  color: var(--forest);
  background: var(--paper);
  outline: 2px solid var(--forest);
  outline-offset: 3px;
}
#main:focus { outline: none; }

/* Three local waypoints, with no second sticky menu or horizontal menu scroll. */
#development .chapter-nav, #opportunity .overview-jumps {
  position: static;
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 36px;
  overflow: visible;
  white-space: normal;
}
#development .chapter-nav a, #opportunity .overview-jumps a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 12px;
}
.visual-journey-details { margin-top: 32px; }
.visual-journey-details #discovery-inline { padding-top: 24px; }

/* Keep the primary portal tasks visible and the supporting index on demand. */
#investors #portal-nav { display: block; overflow: visible; white-space: normal; }
#investors .portal-core-nav { display: flex; flex-direction: column; }
#investors #portal-nav a { min-height: 44px; }
#investors #portal-nav a small, #investors #portal-nav a b { display: none; }
.portal-supporting-nav { margin-top: 18px; }
.portal-supporting-nav summary {
  cursor: pointer;
  min-height: 44px;
  padding: 12px 0;
  font-size: 11px;
  color: var(--muted);
}
#investors .portal-supporting-nav a { font-size: 11px; }

/* Previous and Next remain in one predictable, always-available control bar. */
#presentation { padding-bottom: 144px; }
#presentation .presentation-body {
  display: block;
  max-width: 1500px;
  min-height: 0;
  margin-inline: auto;
}
.presentation-chapter-jump {
  max-width: 640px;
  margin: 0 0 28px auto;
  color: #bbc8b9;
  font-size: 12px;
}
.presentation-chapter-jump summary {
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  list-style: none;
}
.presentation-chapter-jump summary::-webkit-details-marker { display: none; }
.presentation-chapter-jump[open] summary span { transform: rotate(45deg); }
.presentation-chapter-jump label { display: block; margin: 8px 0; }
.presentation-chapter-jump select {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 12px;
  border: 1px solid #5a7059;
  border-radius: 0;
  font: inherit;
  color: var(--paper);
  background: #173a2f;
}
#presentation .presentation-bottom {
  position: fixed;
  inset: auto 0 0;
  z-index: 8;
  background: var(--deep);
  display: grid;
  grid-template-columns: minmax(160px, 280px) minmax(40px, 1fr) auto;
  gap: 24px;
  padding: 18px 4.5%;
}
#presentation .presentation-bottom > div:last-child { width: auto; }
#presentation .presentation-bottom .button { min-width: 130px; }
#presentation :is(a, button, select, summary, [tabindex]) { scroll-margin-bottom: 160px; }

@media (max-width: 1050px) {
  .masthead nav .mobile-presentation-action {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 14px 16px;
    margin-top: 12px;
    color: var(--paper);
    background: var(--forest);
    border: 0;
    opacity: 1;
  }
}
@media (max-width: 760px) {
  #development .chapter-nav, #opportunity .overview-jumps { gap: 0 22px; }
  #development .chapter-nav a, #opportunity .overview-jumps a { font-size: 11px; }
  #investors .portal-core-nav { flex-direction: row; flex-wrap: wrap; gap: 0 22px; }
  #investors .portal-supporting-nav { margin-top: 4px; }
  #investors .portal-supporting-nav > div {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 20px;
    padding-bottom: 12px;
  }
  #investors #portal-nav a { white-space: normal; }
  .presentation-chapter-jump { margin-bottom: 22px; }
  .presentation-chapter-jump select { font-size: 16px; }
  #presentation .presentation-bottom {
    grid-template-columns: 65px minmax(0, 1fr);
    gap: 10px 16px;
    padding: 12px 24px calc(12px + env(safe-area-inset-bottom, 0px));
  }
  #presentation .presentation-bottom > div:last-child {
    grid-column: 1 / -1;
    width: 100%;
    justify-content: space-between;
  }
  #presentation .presentation-bottom .button { min-width: 120px; }
}
@media (max-width: 380px) {
  #presentation .presentation-bottom { padding-left: 20px; padding-right: 20px; }
  .masthead nav .mobile-presentation-action { font-size: 12px; }
}