* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  background-color: #0a1a3f;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

.stage {
  position: relative;
  width: 100vw;
  height: 100vh;
}

.chip {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
  visibility: hidden;
}

.chip.ready {
  visibility: visible;
}

.buddy {
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 110px;
  will-change: transform;
  visibility: hidden;
  cursor: grab;
}

.buddy.ready {
  visibility: visible;
}

.buddy:active {
  cursor: grabbing;
}

#buddy-figure {
  display: block;
  transform-origin: 50% 100%;
}

#buddy-figure.buddy-bounce {
  animation: buddy-bounce 350ms ease;
}

#buddy-figure.buddy-dragging {
  animation: buddy-drag-wobble 500ms ease-in-out infinite;
}

#buddy-figure.buddy-falling {
  transform: scaleY(1.15) scaleX(0.9);
}

#buddy-figure.buddy-landed {
  animation: buddy-landed 300ms ease;
}

@keyframes buddy-bounce {
  0% { transform: scale(1); }
  30% { transform: scale(0.85, 1.15) rotate(-4deg); }
  60% { transform: scale(1.1, 0.9) rotate(3deg); }
  100% { transform: scale(1); }
}

@keyframes buddy-drag-wobble {
  0%, 100% { transform: rotate(-4deg) scale(1.05); }
  50% { transform: rotate(4deg) scale(1.05); }
}

@keyframes buddy-landed {
  0% { transform: scaleY(0.8) scaleX(1.15); }
  60% { transform: scaleY(1.05) scaleX(0.97); }
  100% { transform: scale(1); }
}

.eye {
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 100ms ease;
}

.eye.blink {
  transform: scaleY(0.1);
}

#buddy-figure.buddy-falling .eye {
  transform: scale(1.2);
}

#buddy-figure.buddy-idle {
  animation: buddy-idle-sway 4200ms ease-in-out infinite;
}

.mouth {
  transform-box: fill-box;
  transform-origin: center;
}

.mouth.talking {
  animation: buddy-talk 260ms ease-in-out infinite;
}

@keyframes buddy-talk {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.35); }
}

@keyframes buddy-idle-sway {
  0%, 100% { transform: rotate(-1.5deg); }
  50% { transform: rotate(1.5deg); }
}

.speech-bubble {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  transform: translate(0, -50%);
  background: #ffffff;
  color: #111111;
  padding: 0.4rem 0.65rem;
  border-radius: 10px;
  font-size: 0.8rem;
  white-space: nowrap;
  max-width: min(70vw, 320px);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  will-change: transform, opacity;
  transition: opacity 160ms ease;
}

.speech-bubble.visible {
  opacity: 1;
  visibility: visible;
}

.speech-bubble::after {
  content: "";
  position: absolute;
  left: -5px;
  top: 50%;
  width: 10px;
  height: 10px;
  background: #ffffff;
  transform: translateY(-50%) rotate(45deg);
}

@media (max-width: 600px) {
  .speech-bubble {
    white-space: normal;
    max-width: 80vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  #buddy-figure.buddy-bounce,
  #buddy-figure.buddy-dragging,
  #buddy-figure.buddy-falling,
  #buddy-figure.buddy-landed,
  #buddy-figure.buddy-idle {
    animation: none;
    transform: none;
  }

  .eye {
    transition: none;
  }

  .mouth.talking {
    animation: none;
    transform: none;
  }

  .speech-bubble {
    transition: none;
  }
}

.chip h1,
.chip p {
  margin: 0;
  background: #ffffff;
  color: #111111;
  padding: 0.5rem;
  white-space: nowrap;
}

.chip h1 {
  font-weight: 600;
  font-size: clamp(1.8rem, 6vw, 3rem);
  line-height: 1;
  letter-spacing: 0.02em;
}

.chip p {
  font-size: 1rem;
}

.chip p.small {
  font-size: 0.875rem;
}

.chip p.tiny {
  font-size: 0.75rem;
}

a {
  color: #111111;
  text-decoration: underline;
  text-decoration-color: rgba(17, 17, 17, 0.35);
}

a:hover {
  text-decoration-color: #111111;
}

.footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  padding-bottom: 1rem;
  pointer-events: none;
}

.footer-text {
  font-size: 0.75rem;
  color: #ffffff;
  background: transparent;
  opacity: 0.6;
  padding: 0.25rem;
  margin: 0;
}

@media (max-width: 600px) {
  .chip h1,
  .chip p {
    white-space: normal;
    max-width: 90vw;
  }
}