.logo-explorer {
  --logo-x: 0px;
  --logo-y: 0px;
  --math-ink: #172c3b;
  --math-clay: #c95428;
  --math-gold: #d89419;
  position: relative;
  isolation: isolate;
}

.logo-stage {
  position: relative;
  display: block;
  width: min(100%, 1040px);
  aspect-ratio: 2172 / 724;
  overflow: visible;
}

.logo-stage > img.logo-base,
.logo-stage > img.logo-detail {
  position: absolute !important;
  inset: 0;
  display: block;
  width: 100% !important;
  height: 100% !important;
  max-height: none !important;
  object-fit: contain;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.logo-base {
  z-index: 1;
  transform: translate3d(var(--logo-x), var(--logo-y), 0) scale(1);
  transition: filter 360ms ease, transform 220ms ease;
}

.logo-explorer:hover .logo-base,
.logo-explorer:focus-within .logo-base {
  filter: saturate(1.08) contrast(1.025);
  transform: translate3d(var(--logo-x), calc(var(--logo-y) - 2px), 0) scale(1.004);
}

.logo-detail {
  z-index: 2;
  opacity: 0;
  transition: opacity 150ms ease, filter 250ms ease, transform 280ms cubic-bezier(.2,.75,.22,1);
}

.detail-s {
  clip-path: ellipse(9% 30% at 43% 32%);
  transform-origin: 43% 32%;
}

.detail-dd {
  clip-path: polygon(48% 22%, 67% 22%, 67% 58%, 48% 58%);
  transform-origin: 57.5% 40%;
}

.detail-volcano {
  clip-path: polygon(8% 57%, 11% 39%, 24% 28%, 37% 51%, 37% 60%);
  transform-origin: 24% 47%;
}

.detail-city {
  clip-path: polygon(71% 22%, 91% 22%, 91% 59%, 71% 59%);
  transform-origin: 81% 43%;
}

.logo-explorer[data-active="fibonacci"] .detail-s,
.logo-explorer[data-active="golden-triangles"] .detail-dd,
.logo-explorer[data-active="volcano"] .detail-volcano,
.logo-explorer[data-active="builders-square"] .detail-city {
  opacity: 1;
  filter: saturate(1.6) brightness(1.06) drop-shadow(0 7px 5px rgba(23, 44, 59, .2));
}

.logo-explorer[data-active="fibonacci"] .detail-s {
  animation: s-breathe 2.2s ease-in-out infinite alternate;
}

.logo-explorer[data-active="golden-triangles"] .detail-dd {
  animation: dd-open 2.1s ease-in-out infinite alternate;
}

.logo-explorer[data-active="volcano"] .detail-volcano {
  animation: volcano-rumble .48s ease-in-out infinite alternate;
}

.logo-explorer[data-active="builders-square"] .detail-city {
  animation: city-settle 1.8s ease-in-out infinite alternate;
}

.logo-geometry {
  position: absolute;
  z-index: 5;
  overflow: visible;
  opacity: 0;
  pointer-events: none;
  transition: opacity 150ms ease, transform 250ms cubic-bezier(.2,.75,.22,1);
}

.geometry-fibonacci {
  top: 7%;
  left: 34%;
  width: 19%;
  height: 51%;
  transform: scale(.86) rotate(-5deg);
}

.fibonacci-spiral {
  fill: none;
  stroke: var(--math-gold);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 780;
  stroke-dashoffset: 780;
  vector-effect: non-scaling-stroke;
}

.spiral-origin {
  fill: var(--math-clay);
  opacity: 0;
}

.geometry-name,
.geometry-sequence {
  fill: var(--math-ink);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 850;
  letter-spacing: 1.2px;
  opacity: 0;
  text-anchor: middle;
}

.geometry-name { font-size: 8px; }
.geometry-sequence { fill: var(--math-clay); font-size: 9px; letter-spacing: .8px; }

.logo-explorer[data-active="fibonacci"] .geometry-fibonacci {
  opacity: 1;
  transform: scale(1) rotate(-5deg);
}

.logo-explorer[data-active="fibonacci"] .fibonacci-spiral {
  animation: draw-spiral 1s cubic-bezier(.2,.75,.22,1) forwards;
}

.logo-explorer[data-active="fibonacci"] .spiral-origin,
.logo-explorer[data-active="fibonacci"] .geometry-fibonacci text {
  animation: geometry-label-in .45s .55s ease forwards;
}

.geometry-golden-triangles {
  top: 14%;
  left: 46%;
  width: 23%;
  height: 45%;
  transform: scale(.84);
}

.fibonacci-frame,
.golden-triangle,
.volcano-measure,
.volcano-baseline,
.angle-arc {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.fibonacci-frame {
  fill: none;
  stroke: var(--math-ink);
  stroke-width: 1.65;
  stroke-dasharray: 450;
  stroke-dashoffset: 450;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.golden-triangle {
  stroke: var(--math-gold);
  stroke-width: 3;
  stroke-dasharray: 390;
  stroke-dashoffset: 390;
}

.geometry-golden-triangles text {
  fill: var(--math-clay);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 10px;
  font-weight: 700;
  opacity: 0;
  text-anchor: middle;
}

.geometry-golden-triangles .ratio-label {
  fill: var(--math-clay);
  font-size: 11px;
  letter-spacing: .5px;
}

.geometry-golden-triangles .angle-label {
  fill: var(--math-gold);
  font-size: 9px;
}

.geometry-golden-triangles .phi-bridge {
  fill: var(--math-ink);
  font-size: 17px;
  font-style: italic;
}

.geometry-golden-triangles .ratio-equation {
  fill: var(--math-ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 8.5px;
  letter-spacing: .2px;
}

.logo-explorer[data-active="golden-triangles"] .geometry-golden-triangles {
  opacity: 1;
  transform: scale(1);
}

.logo-explorer[data-active="golden-triangles"] :is(.golden-triangle, .fibonacci-frame) {
  animation: draw-triangle .72s cubic-bezier(.2,.75,.22,1) forwards;
}

.logo-explorer[data-active="golden-triangles"] .triangle-two {
  animation-delay: .14s;
}

.logo-explorer[data-active="golden-triangles"] .frame-two {
  animation-delay: .14s;
}

.logo-explorer[data-active="golden-triangles"] .geometry-golden-triangles text {
  animation: geometry-label-in .4s .5s ease forwards;
}

.geometry-volcano {
  top: 21%;
  left: 8%;
  width: 30%;
  height: 43%;
  transform: translateY(7px) scale(.92);
}

.volcano-measure,
.volcano-baseline {
  stroke: var(--math-gold);
  stroke-width: 3;
  stroke-dasharray: 540;
  stroke-dashoffset: 540;
}

.angle-arc {
  stroke: var(--math-clay);
  stroke-width: 3;
  stroke-dasharray: 90;
  stroke-dashoffset: 90;
}

.volcano-angle {
  fill: var(--math-clay);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  font-weight: 700;
  opacity: 0;
  text-anchor: middle;
}

.eruption-particle {
  fill: #ef5b23;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

.logo-explorer[data-active="volcano"] .geometry-volcano {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.logo-explorer[data-active="volcano"] .volcano-measure,
.logo-explorer[data-active="volcano"] .volcano-baseline,
.logo-explorer[data-active="volcano"] .angle-arc {
  animation: draw-volcano .7s cubic-bezier(.2,.75,.22,1) forwards;
}

.logo-explorer[data-active="volcano"] .volcano-angle {
  animation: geometry-label-in .4s .43s ease forwards;
}

.logo-explorer[data-active="volcano"] .eruption-particle {
  animation: erupt 1.05s ease-out infinite;
}

.logo-explorer[data-active="volcano"] .particle-two { animation-delay: .16s; }
.logo-explorer[data-active="volcano"] .particle-three { animation-delay: .32s; }
.logo-explorer[data-active="volcano"] .particle-four { animation-delay: .48s; }

.geometry-builders-square {
  top: 18%;
  left: 71%;
  width: 20%;
  height: 43%;
  transform: translateY(7px) scale(.92);
}

.builder-leg,
.builder-hypotenuse,
.builder-right-angle,
.builder-tick {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.builder-leg,
.builder-hypotenuse {
  stroke: var(--math-gold);
  stroke-width: 3;
  stroke-dasharray: 520;
  stroke-dashoffset: 520;
}

.builder-right-angle,
.builder-tick {
  stroke: var(--math-clay);
  stroke-width: 3;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}

.geometry-builders-square text {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 850;
  letter-spacing: 1px;
  opacity: 0;
  text-anchor: middle;
}

.builder-ratio {
  fill: var(--math-clay);
  font-family: Georgia, "Times New Roman", serif !important;
  font-size: 17px;
}

.builder-name {
  fill: var(--math-ink);
  font-size: 8px;
}

.logo-explorer[data-active="builders-square"] .geometry-builders-square {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.logo-explorer[data-active="builders-square"] :is(.builder-leg, .builder-hypotenuse, .builder-right-angle, .builder-tick) {
  animation: draw-builder .78s cubic-bezier(.2,.75,.22,1) forwards;
}

.logo-explorer[data-active="builders-square"] .builder-hypotenuse { animation-delay: .12s; }
.logo-explorer[data-active="builders-square"] :is(.builder-right-angle, .builder-tick) { animation-delay: .25s; }
.logo-explorer[data-active="builders-square"] .geometry-builders-square text {
  animation: geometry-label-in .4s .48s ease forwards;
}

.logo-stage > img.stratocaster-pop {
  position: absolute !important;
  z-index: 7;
  top: 14%;
  left: 50%;
  display: block;
  width: 22% !important;
  height: auto !important;
  max-height: none !important;
  opacity: 0;
  filter: drop-shadow(0 12px 10px rgba(23, 44, 59, .22));
  mix-blend-mode: normal;
  object-fit: contain;
  pointer-events: none;
  transform: scaleY(.2) rotate(90deg) scale(.82);
  transform-origin: 50% 50%;
  transition: top 520ms cubic-bezier(.18,1.35,.32,1), opacity 140ms ease, transform 520ms cubic-bezier(.18,1.35,.32,1);
}

.logo-explorer[data-active="guitar"] .stratocaster-pop {
  top: 7%;
  opacity: 1;
  transform: scaleY(.27) rotate(90deg) scale(1.1);
  animation: guitar-groove 1.6s .52s ease-in-out infinite alternate;
}

.logo-hotspot {
  position: absolute;
  z-index: 9;
  display: block;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: help;
  -webkit-appearance: none;
  appearance: none;
}

.logo-hotspot::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border: 1px solid rgba(201, 84, 40, .76);
  border-radius: 50%;
  background: rgba(255, 253, 247, .83);
  box-shadow: 0 0 0 5px rgba(201, 84, 40, .08);
  content: "";
  opacity: 0;
  transform: translate(-50%, -50%) scale(.65);
  transition: opacity 180ms ease, transform 180ms ease;
}

.logo-explorer:hover .logo-hotspot::before,
.logo-explorer:focus-within .logo-hotspot::before {
  opacity: .34;
  transform: translate(-50%, -50%) scale(1);
}

.logo-hotspot:is(:hover, :focus-visible, .is-active)::before {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.2);
}

.logo-hotspot:focus-visible {
  outline: 2px dashed var(--math-clay);
  outline-offset: 2px;
}

.hotspot-s { top: 14%; left: 35%; width: 17%; height: 39%; }
.hotspot-dd { top: 18%; left: 48%; width: 20%; height: 39%; }
.hotspot-volcano { top: 26%; left: 8%; width: 30%; height: 35%; }
.hotspot-city { top: 24%; left: 72%; width: 19%; height: 36%; }
.hotspot-guitar { top: 53%; left: 39%; width: 42%; height: 20%; }

.logo-hint {
  position: absolute;
  z-index: 10;
  right: 14px;
  bottom: 12px;
  display: flex;
  padding: 8px 10px;
  align-items: flex-end;
  flex-direction: column;
  border: 1px solid rgba(23, 44, 59, .18);
  background: rgba(255, 253, 247, .92);
  box-shadow: 0 7px 22px rgba(23, 44, 59, .08);
  color: var(--math-ink);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.logo-hint > span {
  font-size: .61rem;
  font-weight: 850;
  letter-spacing: .13em;
  line-height: 1;
  text-transform: uppercase;
}

.logo-hint small {
  margin-top: 5px;
  color: rgba(23, 44, 59, .62);
  font-size: .55rem;
  font-weight: 700;
}

.logo-explorer:is(:hover, :focus-within) .logo-hint {
  opacity: 0;
  transform: translateY(5px);
}

@keyframes s-breathe {
  from { transform: scale(1.012) rotate(-.5deg); }
  to { transform: scale(1.032) rotate(1deg); }
}

@keyframes dd-open {
  from { transform: scale(1.012); }
  to { transform: scale(1.035); }
}

@keyframes volcano-rumble {
  from { transform: translate(-1px, -3px) scale(1.016); }
  to { transform: translate(1px, -7px) scale(1.027); }
}

@keyframes city-settle {
  from { transform: translateY(0) scale(1.012); }
  to { transform: translateY(-2px) scale(1.026); }
}

@keyframes draw-spiral {
  to { stroke-dashoffset: 0; }
}

@keyframes draw-triangle {
  to { stroke-dashoffset: 0; }
}

@keyframes draw-volcano {
  to { stroke-dashoffset: 0; }
}

@keyframes draw-builder {
  to { stroke-dashoffset: 0; }
}

@keyframes geometry-label-in {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes erupt {
  0% { opacity: 0; transform: translate(0, 5px) scale(.65); }
  25% { opacity: 1; }
  100% { opacity: 0; transform: translate(-4px, -24px) scale(1.18); }
}

@keyframes guitar-groove {
  from { transform: scaleY(.27) rotate(89.2deg) scale(1.1); }
  to { transform: scaleY(.27) rotate(90.8deg) scale(1.115); }
}

@media (max-width: 700px) {
  .geometry-name { display: none; }
  .geometry-sequence { font-size: 8px; }
  .geometry-golden-triangles .angle-label,
  .geometry-golden-triangles .ratio-equation { display: none; }
  .geometry-golden-triangles .ratio-label { font-size: 10px; }
  .geometry-golden-triangles .phi-bridge { font-size: 15px; }
  .logo-stage > img.stratocaster-pop { width: 22% !important; }

  .logo-hint {
    right: 8px;
    bottom: 7px;
    padding: 6px 8px;
  }

  .logo-hint small { display: none; }
}

@media (hover: none) {
  .logo-hotspot::before {
    opacity: .34;
    transform: translate(-50%, -50%) scale(.95);
  }

  .logo-hint small { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .logo-base,
  .logo-detail,
  .logo-geometry,
  .stratocaster-pop,
  .logo-hotspot::before,
  .logo-hint,
  .fibonacci-spiral,
    .golden-triangle,
    .fibonacci-frame,
    .volcano-measure,
    .volcano-baseline,
    .angle-arc,
    .builder-leg,
    .builder-hypotenuse,
    .builder-right-angle,
    .builder-tick,
    .eruption-particle {
    animation: none !important;
    transition: none !important;
  }

  .logo-explorer[data-active="fibonacci"] .fibonacci-spiral,
  .logo-explorer[data-active="golden-triangles"] :is(.golden-triangle, .fibonacci-frame),
  .logo-explorer[data-active="volcano"] :is(.volcano-measure, .volcano-baseline, .angle-arc),
  .logo-explorer[data-active="builders-square"] :is(.builder-leg, .builder-hypotenuse, .builder-right-angle, .builder-tick) {
    stroke-dashoffset: 0;
  }

  .logo-explorer[data-active] .logo-geometry text,
  .logo-explorer[data-active="volcano"] .volcano-angle {
    opacity: 1;
  }
}