/* ===============================
   FLOATING BLOBS - LIGHT VERSION
   =============================== */
.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.5;
  animation: blobFloat 20s ease-in-out infinite;
  mix-blend-mode: screen; /* memberi efek cahaya lembut */
}

/* Blob biru utama */
.blob--blue {
  width: 20vmax;
  height: 20vmax;
  left: 10%;
  top: 15%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 140, 255, 0.9), rgba(0, 140, 255, 0.3));
  animation-delay: 0s;
}

/* Blob putih lembut */
.blob--white {
  width: 15vmax;
  height: 15vmax;
  right: 10%;
  top: 25%;
  background: radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.2));
  animation-delay: 4s;
}

/* Blob cyan / biru muda */
.blob--cyan {
  width: 18vmax;
  height: 18vmax;
  left: 50%;
  bottom: 10%;
  transform: translateX(-50%);
  background: radial-gradient(circle at 30% 30%, rgba(0, 220, 255, 0.8), rgba(0, 220, 255, 0.25));
  animation-delay: 2s;
}

@keyframes blobFloat {
  0% {
    transform: translate(0, 0) scale(1);
    opacity: 0.55;
  }
  25% {
    transform: translate(3vw, -2vh) scale(1.05);
    opacity: 0.6;
  }
  50% {
    transform: translate(-2vw, 3vh) scale(0.95);
    opacity: 0.5;
  }
  75% {
    transform: translate(2vw, -1vh) scale(1.03);
    opacity: 0.55;
  }
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.55;
  }
}

/* Responsif */
@media (max-width: 768px) {
  .blob {
    filter: blur(40px);
    opacity: 0.35;
  }
  .blob--cyan {
    display: none; 
  }
}