:root {
  --banana-100: #fff7c0;
  --banana-200: #ffec7a;
  --banana-300: #ffd447;
  --banana-400: #f5bb1f;
  --banana-ink: #3b2a03;
  --accent-orange: #ff8f1f;
  --accent-green: #2f8a2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Nunito", sans-serif;
  color: var(--banana-ink);
  background:
    radial-gradient(circle at 15% 20%, #fffbd9 0%, transparent 38%),
    radial-gradient(circle at 85% 15%, #ffe17a 0%, transparent 44%),
    radial-gradient(circle at 20% 80%, #ffd447 0%, transparent 48%),
    linear-gradient(145deg, #ffec7a 0%, #f9ca38 55%, #f3b311 100%);
  overflow: hidden;
}

.bg-blobs {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.bg-blobs span {
  position: absolute;
  border-radius: 999px;
  filter: blur(2px);
  mix-blend-mode: soft-light;
  animation: drift 9s ease-in-out infinite alternate;
}

.bg-blobs span:nth-child(1) {
  width: 220px;
  height: 220px;
  left: 8%;
  top: 14%;
  background: #fff7c8;
}

.bg-blobs span:nth-child(2) {
  width: 260px;
  height: 260px;
  right: 7%;
  top: 20%;
  background: #ffd447;
  animation-delay: 1.2s;
}

.bg-blobs span:nth-child(3) {
  width: 210px;
  height: 210px;
  left: 12%;
  bottom: 8%;
  background: #ffaf2c;
  animation-delay: 2s;
}

.bg-blobs span:nth-child(4) {
  width: 180px;
  height: 180px;
  right: 12%;
  bottom: 10%;
  background: #fff4a3;
  animation-delay: 0.6s;
}

.stage {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1.5rem;
}

header h1 {
  font-family: "Bungee", cursive;
  font-size: clamp(2rem, 6vw, 4.4rem);
  margin: 0;
  letter-spacing: 1.5px;
  text-shadow: 0 4px 0 #ffe16e;
}

.eyebrow {
  margin: 0;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 800;
  color: #885401;
}

.subtitle {
  margin: 0.4rem 0 1.6rem;
  font-size: clamp(1rem, 2.7vw, 1.25rem);
  font-weight: 700;
}

.banana-zone {
  position: relative;
  width: min(92vw, 560px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}

.banana-button {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
  transform-origin: center;
  transition: transform 0.2s ease;
}

.banana-button:hover {
  transform: scale(1.03);
}

.banana-button:active {
  transform: scale(0.95);
}

.banana {
  display: inline-block;
  font-size: clamp(9rem, 34vw, 16rem);
  line-height: 1;
  filter: drop-shadow(0 16px 0 rgba(0, 0, 0, 0.08));
  animation: float 2.8s ease-in-out infinite;
  user-select: none;
}

.speech-bubble {
  position: absolute;
  top: 2%;
  right: 7%;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  border: 3px solid #402a00;
  background: #fff;
  font-family: "Bungee", cursive;
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  transform: scale(0.2) translateY(10px);
  opacity: 0;
  pointer-events: none;
}

.speech-bubble::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-right: 3px solid #402a00;
  border-bottom: 3px solid #402a00;
  background: #fff;
  bottom: -8px;
  left: 22px;
  transform: rotate(45deg);
}

.speech-bubble.show {
  animation: pop 700ms cubic-bezier(0.22, 1.3, 0.3, 1) forwards;
}

.burst-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  animation: burst 900ms ease-out forwards;
  user-select: none;
}

.banana-button.bounce .banana {
  animation: punch 350ms ease, float 2.8s ease-in-out 350ms infinite;
}

@keyframes pop {
  0% {
    transform: scale(0.2) translateY(14px) rotate(-8deg);
    opacity: 0;
  }
  60% {
    transform: scale(1.16) translateY(0) rotate(3deg);
    opacity: 1;
  }
  100% {
    transform: scale(1) translateY(0) rotate(0deg);
    opacity: 1;
  }
}

@keyframes float {
  0%,
  100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-10px) rotate(4deg); }
}

@keyframes punch {
  0% { transform: scale(1) rotate(0deg); }
  45% { transform: scale(1.15) rotate(-6deg); }
  100% { transform: scale(1) rotate(0deg); }
}

@keyframes burst {
  0% {
    opacity: 1;
    transform: translate(var(--x-start), var(--y-start)) scale(0.7) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translate(var(--x-end), var(--y-end)) scale(1.3) rotate(32deg);
  }
}

@keyframes drift {
  0% { transform: translateY(0) translateX(0); }
  100% { transform: translateY(-12px) translateX(8px); }
}

@media (max-width: 640px) {
  .speech-bubble {
    right: 2%;
    top: 8%;
  }
}