:root {
  --pink: #ff4fd8;
  --blue: #44d7ff;
  --yellow: #ffe36e;
  --green: #6dff9b;
  --sand: #ffdca4;
  --sea1: #1bc8ff;
  --sea2: #0d6ea8;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; font-family: Inter, system-ui, sans-serif; background: linear-gradient(180deg, #6ed5ff 0%, #77e8ff 24%, #1eb3ff 46%, #ffd48a 47%, #f9b86f 100%); color: white; }
#sky { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; }
.card {
  position: relative; z-index: 4;
  width: min(760px, calc(100vw - 28px));
  margin: 4vh auto 0;
  padding: 28px 28px 22px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 28px;
  background: rgba(12, 18, 30, .52);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 70px rgba(0,0,0,.28);
  text-align: center;
  animation: cardPulse 3.5s ease-in-out infinite;
}
.badge {
  display: inline-block; padding: 8px 14px; border-radius: 999px;
  background: linear-gradient(90deg, var(--pink), var(--blue)); color: #111; font-weight: 800;
}
h1 {
  margin: 18px 0 10px; font-size: clamp(42px, 8vw, 80px);
  text-shadow: 0 0 18px rgba(255,255,255,.2), 0 0 30px rgba(68,215,255,.25);
  position: relative;
}
p {
  margin: 0; line-height: 1.6; font-size: clamp(18px, 2.6vw, 24px);
  color: #f7f8ff;
  position: relative;
}
.sparkles { margin-top: 16px; font-size: 24px; letter-spacing: 10px; color: var(--yellow); animation: twinkle 1.6s ease-in-out infinite; }
.scene, .layer, .sprite { position: absolute; inset: 0; }
.scene { z-index: 2; pointer-events: none; }
.sky-glow { background: radial-gradient(circle at 50% 8%, rgba(255,255,255,.25), transparent 32%); }
.sun {
  inset: 3vh auto auto 8vw; width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fffbe6 0, #ffe36e 35%, rgba(255, 227, 110, .15) 70%, transparent 72%);
  filter: blur(.5px);
  animation: float 7s ease-in-out infinite;
}
.rainbow {
  inset: 0; background: conic-gradient(from 200deg at 68% 40%,
    transparent 0 6deg, #ff4f4f 6deg 12deg, #ff9f4f 12deg 18deg,
    #fff34f 18deg 24deg, #5bff7c 24deg 30deg, #4fb6ff 30deg 36deg,
    #8f4fff 36deg 42deg, transparent 42deg 360deg);
  opacity: .45; mix-blend-mode: screen; filter: blur(1px);
  clip-path: ellipse(28% 18% at 68% 48%);
  animation: rainbowShift 7s ease-in-out infinite;
}
.clouds::before, .clouds::after {
  content: ""; position: absolute; top: 9vh; width: 180px; height: 60px; border-radius: 999px;
  background: rgba(255,255,255,.45); filter: blur(1px);
  box-shadow: 120px 10px 0 18px rgba(255,255,255,.28), 240px -8px 0 26px rgba(255,255,255,.18);
  animation: drift 28s linear infinite;
}
.clouds::after { top: 15vh; left: -40vw; animation-duration: 36s; opacity: .85; }
.ocean { inset: auto 0 0; height: 34vh; background: linear-gradient(180deg, rgba(23, 195, 255, .1), rgba(14, 118, 173, .82)); overflow: hidden; }
.ocean::before {
  content: ""; position: absolute; inset: 25% -20% auto; height: 8px;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,.72) 0 18px, transparent 18px 40px);
  animation: waves 6s linear infinite;
}
.sand {
  inset: auto 0 0; height: 18vh;
  background: linear-gradient(180deg, rgba(255, 220, 164, 0), rgba(255, 220, 164, .95));
  box-shadow: inset 0 12px 30px rgba(255,255,255,.18);
}
.sand::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 55%, rgba(255,255,255,.3) 0 1.5px, transparent 2px) 0 0/18px 14px;
  opacity: .55;
}
.sprite { position: absolute; width: max-content; height: max-content; filter: drop-shadow(0 0 14px rgba(255,255,255,.35)); }
.big-bike {
  top: 60vh; left: 112vw; font-size: clamp(120px, 13vw, 220px);
  animation: driveRL 10s linear infinite;
  transform-origin: center;
}
.item { position: absolute; font-size: clamp(28px, 3vw, 48px); filter: drop-shadow(0 0 12px rgba(255,255,255,.35)); }
.crit { animation: bob 3.5s ease-in-out infinite; }
.snack { animation: bob 4.4s ease-in-out infinite; }
.flower { animation: spinFlower 6s linear infinite; }
.flash {
  position: absolute; top: 44%; width: 120px; height: 16px; border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.95), transparent);
  filter: blur(2px); opacity: .9; animation: flashBeat 0.55s infinite alternate;
}
.flash-left { left: -18px; transform: rotate(-12deg); }
.flash-right { right: -18px; transform: rotate(12deg); animation-delay: .18s; }
@keyframes driveRL { from { transform: translateX(0) rotate(2deg) scale(1); } to { transform: translateX(-150vw) rotate(-2deg) scale(1); } }
@keyframes drift { from { transform: translateX(-20vw); } to { transform: translateX(150vw); } }
@keyframes waves { from { transform: translateX(-12%); } to { transform: translateX(12%); } }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-12px) rotate(2deg); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(14px); } }
@keyframes twinkle { 0%, 100% { opacity: .7; transform: scale(1); } 50% { opacity: 1; transform: scale(1.08); } }
@keyframes cardPulse { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-2px) scale(1.01); } }
@keyframes flashBeat { from { opacity: .1; transform: scaleX(.6); } to { opacity: 1; transform: scaleX(1.15); } }
@keyframes rainbowShift { 0%, 100% { transform: scale(1) rotate(0deg); } 50% { transform: scale(1.03) rotate(-2deg); } }
@keyframes spinFlower { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.particle {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: rgba(255,255,255,.9); box-shadow: 0 0 10px rgba(255,255,255,.8);
  animation: floatUp 8s linear infinite;
}
@keyframes floatUp { from { transform: translateY(0) scale(1); opacity: 0; } 10% { opacity: .8; } to { transform: translateY(-120vh) scale(.2); opacity: 0; } }