body {
  background-color: #000;
  margin: 0;
  overflow: hidden;
  background-repeat: no-repeat;
}

/* Hintergrund-Graufilter beim Hover */
canvas.grayscale {
  filter: grayscale(1);
  transition: filter 0.4s ease;
}

.logo-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

.logo-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  z-index: 2;
}

.logo {
  max-width: 280px;
  width: 100%;
  height: auto;
  z-index: 2;
}

/* ============================ */
/* PUFFBOX BUTTON MIT LOGO */
/* ============================ */
.puffbox-button {
  position: relative;
  display: inline-block;
  width: 360px;
  height: 360px;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-radius: 40px;
  background-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px) saturate(140%) contrast(120%);
  -webkit-backdrop-filter: blur(16px) saturate(140%) contrast(120%);
  box-shadow:
    inset 0 0 30px rgba(255, 255, 255, 0.07),
    0 0 20px rgba(255, 215, 0, 0.2);
  text-align: center;
  transition: all 0.3s ease;
  overflow: hidden;
  z-index: 2;
}

.puffbox-button:hover {
  transform: scale(1.05);
  box-shadow:
    0 0 40px rgba(255, 215, 0, 0.3),
    0 0 0 6px rgba(0, 0, 0, 0.3);
}

.puffbox-logo {
  width: 80%;
  height: auto;
  max-height: 80%;
  object-fit: contain;
  margin-top: 10%;
  pointer-events: none;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.4));
}

/* Animierte doppelte Outline */
.puffbox-button::before,
.puffbox-button::after {
  content: "";
  position: absolute;
  top: -10px;
  left: -10px;
  width: calc(100% + 20px);
  height: calc(100% + 20px);
  border-radius: 48px;
  pointer-events: none;
  z-index: 1;
}

.puffbox-button::before {
  border: 3px dashed #ffdd00;
  animation: spinOutline 10s linear infinite;
}

.puffbox-button::after {
  border: 3px dotted #ff00f7;
  animation: spinOutlineReverse 14s linear infinite;
}

/* Outline-Animationen */
@keyframes spinOutline {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes spinOutlineReverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}