:root {
  --landing-ui: rgba(255, 255, 255, 0.7);
  --landing-ui-hover: rgba(255, 255, 255, 0.95);
  --landing-thumb-size: 14px;
  /** JS lowers this as needed so every landing control fits within the canvas height. */
  --landing-slider-track: 66px;
  --landing-control-track: rgba(255, 255, 255, 0.2);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #000;
}

.landing-shell {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100vh;
}

#landing-canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  vertical-align: top;
  position: relative;
  z-index: 0;
}

.landing-link-panel {
  position: absolute;
  left: max(1rem, env(safe-area-inset-left, 0px));
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 1.7rem;
  align-items: flex-start;
  max-width: min(22rem, calc(100vw - 2rem));
}

.landing-link {
  display: inline-block;
  font-family: 'Poppins', system-ui, sans-serif;
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--landing-ui);
  text-decoration: none;
  padding: 0.1rem 0;
  border: none;
  background: none;
  white-space: nowrap;
  transform-origin: left center;
  transition:
    transform 0.2s ease,
    color 0.2s ease;
}

.landing-link[hidden] {
  display: none;
}

.landing-link:hover,
.landing-link.landing-link--consulting-active,
.landing-link.landing-link--about-active {
  color: var(--landing-ui-hover);
  transform: scale(2);
}

.landing-link:focus-visible {
  outline: 2px solid var(--landing-ui-hover);
  outline-offset: 4px;
  border-radius: 2px;
}

/* Right-edge controls match the Orbs page control system. */
.landing-slider-float {
  --landing-slider-top: max(1rem, env(safe-area-inset-top, 0px));
  --landing-slider-bottom: max(0.5rem, env(safe-area-inset-bottom, 0px));
  --landing-slider-right: max(1rem, env(safe-area-inset-right, 0px));
  position: fixed;
  top: var(--landing-slider-top);
  right: var(--landing-slider-right);
  bottom: var(--landing-slider-bottom);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 0.5rem;
  pointer-events: none;
  min-height: 0;
  box-sizing: border-box;
  overflow: visible;
}

.landing-slider-float > * {
  pointer-events: auto;
}

.landing-slider-float--controls-hidden .landing-slider-controls {
  display: none;
}

/* Hide entire #landing-slider-float (moon toggle + .landing-slider-controls and any future controls). */
.landing-slider-float--consulting-hidden {
  display: none;
}

.landing-controls-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20.328px;
  height: 41.382px;
  min-height: 41.382px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--landing-ui);
  cursor: pointer;
  flex-shrink: 0;
  overflow: visible;
}

.landing-controls-toggle:hover {
  color: var(--landing-ui-hover);
}

.landing-controls-toggle:focus-visible {
  outline: 2px solid var(--landing-ui-hover);
  outline-offset: 3px;
  border-radius: 999px;
}

.landing-controls-visibility-icon-slot {
  position: relative;
  display: block;
  width: 20.328px;
  height: 41.382px;
  flex-shrink: 0;
}

.landing-controls-visibility-icon-slot .landing-controls-visibility-icon {
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  width: 20.328px;
  height: 41.382px;
}

.landing-slider-float:not(.landing-slider-float--controls-hidden) .landing-controls-visibility-icon--pill {
  display: none;
}

.landing-slider-float--controls-hidden .landing-controls-visibility-icon--full {
  display: none;
}

.landing-slider-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  flex: 1 1 auto;
  min-height: 0;
  max-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.landing-slider-cell {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.landing-size-and-spectrum {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
}

.landing-spectrum-swatches {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.landing-spectrum-swatch {
  width: var(--landing-thumb-size);
  height: var(--landing-thumb-size);
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  cursor: pointer;
  box-sizing: border-box;
  flex-shrink: 0;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.landing-spectrum-swatch--cool {
  background: linear-gradient(145deg, hsl(215, 48%, 46%), hsl(262, 50%, 48%), hsl(308, 48%, 46%));
}

.landing-spectrum-swatch--warm {
  background: linear-gradient(145deg, hsl(55, 52%, 50%), hsl(24, 55%, 38%), hsl(2, 50%, 28%));
}

.landing-spectrum-swatch--jungle {
  background: linear-gradient(145deg, hsl(94, 40%, 68%), hsl(112, 45%, 54%), hsl(128, 30%, 28%));
}

.landing-spectrum-swatch:hover {
  border-color: var(--landing-ui);
}

.landing-spectrum-swatch--active {
  border-color: var(--landing-ui-hover);
  box-shadow: 0 0 0 1px var(--landing-ui-hover);
}

.landing-spectrum-swatch:focus-visible {
  outline: 2px solid var(--landing-ui-hover);
  outline-offset: 2px;
}

.landing-slider-cell label {
  font-family: system-ui, sans-serif;
  font-size: 0.65rem;
  color: var(--landing-ui);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-align: right;
}

.landing-ring-size-pct {
  font-family: system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--landing-ui-hover);
  text-align: right;
  line-height: 1.2;
  min-width: 2.75rem;
}

.landing-gear-speed-readout {
  min-width: 3.5rem;
}

.landing-slider-wrap {
  container-type: size;
  height: var(--landing-slider-track);
  width: var(--landing-thumb-size);
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-vertical-slider {
  width: var(--landing-slider-track);
  height: var(--landing-thumb-size);
  -webkit-appearance: none;
  appearance: none;
  background: var(--landing-control-track);
  border-radius: calc(var(--landing-thumb-size) / 2);
  transform: rotate(-90deg);
  transform-origin: center center;
}

.landing-vertical-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: var(--landing-thumb-size);
  height: var(--landing-thumb-size);
  background: var(--landing-ui);
  border-radius: 50%;
  cursor: pointer;
}

.landing-vertical-slider::-moz-range-thumb {
  width: var(--landing-thumb-size);
  height: var(--landing-thumb-size);
  background: var(--landing-ui);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

.landing-vertical-slider:focus-visible {
  outline: 2px solid var(--landing-ui-hover);
  outline-offset: 4px;
  border-radius: 4px;
}

@container (max-height: 65px) {
  .landing-slider-wrap .landing-vertical-slider {
    transform: rotate(-90deg) scale(min(1, calc(100cqh / var(--landing-slider-track))));
  }
}

.landing-contact-tooltip {
  position: fixed;
  z-index: 30;
  pointer-events: none;
  max-width: min(16rem, calc(100vw - 1rem));
  padding: 0.35rem 0.55rem;
  font-family: 'Poppins', system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.95);
  background: rgba(12, 12, 18, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
  white-space: nowrap;
}

.project-dev-note {
  position: fixed;
  left: max(0.5rem, env(safe-area-inset-left, 0px));
  bottom: max(0.45rem, env(safe-area-inset-bottom, 0px));
  z-index: 5;
  margin: 0;
  max-width: min(22rem, calc(100vw - 1rem));
  font-family: 'Poppins', system-ui, sans-serif;
  font-size: 0.68rem;
  font-style: italic;
  color: var(--landing-ui);
  pointer-events: none;
}

@media (max-width: 640px) {
  :root {
    --landing-thumb-size: 18px;
  }

  .landing-slider-float {
    --landing-slider-top: max(0.5rem, env(safe-area-inset-top, 0px));
    --landing-slider-right: max(0.5rem, env(safe-area-inset-right, 0px));
    --landing-slider-bottom: max(0.5rem, env(safe-area-inset-bottom, 0px));
    gap: 0.35rem;
  }

  .landing-ring-size-pct {
    display: none;
  }

  .landing-slider-controls {
    gap: 0.35rem;
  }

  .landing-slider-cell {
    gap: 0.2rem;
  }

  .landing-slider-wrap {
    height: min(66px, max(34px, calc((100dvh - 11.5rem) / 11)));
  }

  .landing-link-panel {
    left: max(0.5rem, env(safe-area-inset-left, 0px));
    top: max(0.5rem, env(safe-area-inset-top, 0px));
    transform: none;
    gap: 0.65rem;
    max-width: min(11rem, calc(100vw - 5.5rem));
  }

  .landing-link {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    padding: 0.05rem 0;
  }

  .landing-link:hover,
  .landing-link.landing-link--consulting-active,
  .landing-link.landing-link--about-active {
    transform: scale(1.08);
  }
}