:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #fff;
  color: #111;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  display: grid;
  place-items: center;
  min-height: 100vh;
}

.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  padding: 2rem 1.5rem 3rem;
}

.logo-swap {
  position: relative;
  display: grid;
  place-items: center;
  width: min(72vmin, 560px);
  height: min(72vmin, 560px);
  overflow: hidden;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.hover-zone {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 240px;
  height: 260px;
  transform: translate(-50%, -50%);
  border: 0;
  border-radius: 50%;
  padding: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  z-index: 20;
  cursor: pointer;
}

.logo-layer {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.logo-layer img {
  width: 82%;
  max-width: 500px;
  height: auto;
  display: block;
  user-select: none;
  pointer-events: none;
}

.logo-base {
  opacity: 1;
  transform: scale(1);
  filter:
    drop-shadow(0 0 8px rgba(0, 0, 0, 0.08))
    drop-shadow(0 12px 18px rgba(0, 0, 0, 0.18));
  animation: walk 0.8s ease-in-out infinite alternate;
  transition:
    opacity 0.38s ease,
    transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1),
    filter 0.38s ease;
}

.logo-hover {
  opacity: 0;
  transform: scale(0.88) translateY(18px);
  filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.06));
  transition:
    opacity 0.5s ease 0.06s,
    transform 0.58s cubic-bezier(0.2, 0.8, 0.2, 1) 0.06s,
    filter 0.5s ease 0.06s;
}

.logo-hover img {
  width: 70%;
  max-width: 420px;
}

/* Image selected by clicking or tapping */
.logo-swap.is-active .logo-base {
  opacity: 0;
}

.logo-swap.is-active .logo-hover {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Hover temporarily displays the opposite image */
@media (hover: hover) {
  /* Image 1 is selected: hover displays image 2 */
  .logo-swap:not(.is-active) .hover-zone:hover ~ .logo-base {
    opacity: 0;
  }

  .logo-swap:not(.is-active) .hover-zone:hover ~ .logo-hover {
    opacity: 1;
    transform: scale(1) translateY(0);
  }

  /* Image 2 is selected: hover displays image 1 */
  .logo-swap.is-active .hover-zone:hover ~ .logo-base {
    opacity: 1;
  }

  .logo-swap.is-active .hover-zone:hover ~ .logo-hover {
    opacity: 0;
    transform: scale(0.88) translateY(18px);
  }
}

.hover-zone:focus-visible {
  outline: 2px solid rgba(17, 17, 17, 0.3);
  outline-offset: 10px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 1.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.links a {
  position: relative;
  color: #111;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 1px;
  background: #111;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.links a:hover,
.links a:focus-visible {
  opacity: 0.7;
}

.links a:hover::after,
.links a:focus-visible::after {
  transform: scaleX(1);
}

.coming-soon {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translate(-50%, 18px);
  opacity: 0;
  padding: 0.7rem 1rem;
  border: 1px solid rgba(17, 17, 17, 0.2);
  background: rgba(255, 255, 255, 0.9);
  color: #111;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
  pointer-events: none;
}

.coming-soon.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.shadow {
  position: absolute;
  width: 56%;
  height: 8%;
  bottom: 18%;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0.1),
    rgba(0, 0, 0, 0.03) 38%,
    rgba(0, 0, 0, 0) 72%
  );
  animation: shadowPulse 0.8s ease-in-out infinite alternate;
}

@keyframes walk {
  0% {
    transform: translate(-12px, 2px) rotate(-6deg) scale(1);
  }

  20% {
    transform: translate(-5px, -8px) rotate(-2deg) scale(1.02);
  }

  50% {
    transform: translate(10px, 0) rotate(6deg) scale(1);
  }

  75% {
    transform: translate(3px, -7px) rotate(2deg) scale(1.02);
  }

  100% {
    transform: translate(-12px, 2px) rotate(-6deg) scale(1);
  }
}

@keyframes shadowPulse {
  0% {
    transform: scaleX(1.15) scaleY(0.92);
    opacity: 0.42;
  }

  50% {
    transform: scaleX(0.97) scaleY(1);
    opacity: 0.22;
  }

  100% {
    transform: scaleX(1.15) scaleY(0.92);
    opacity: 0.42;
  }
}