html, body {
  font-family: 'Dongle', sans-serif;
  margin: 0;
  padding: 0;
}

.text-container {
  z-index: 100;
  width: 100vw;
  height: 100vh;
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
  justify-content: center;
  align-items: center;
  font-size: 96px;
  color: #ff4d4d;
  opacity: 0.8;
  user-select: none;
  text-shadow: 1px 1px rgba(0,0,0,0.1);
}

:root {
  --color-bg1: hsl(0, 85%, 30%);
  --color-bg2: hsl(0, 85%, 10%);
  --color1: 255, 80, 80;
  --color2: 200, 50, 50;
  --color3: 255, 100, 100;
  --color4: 180, 30, 30;
  --color5: 255, 120, 120;
  --color-interactive: 255, 60, 60;
  --circle-size: 80%;
  --blending: hard-light;
}

@keyframes moveInCircle {
  0% { transform: rotate(0deg); }
  50% { transform: rotate(180deg); }
  100% { transform: rotate(360deg); }
}

@keyframes moveVertical {
  0% { transform: translateY(-50%); }
  50% { transform: translateY(50%); }
  100% { transform: translateY(-50%); }
}

@keyframes moveHorizontal {
  0% { transform: translateX(-50%) translateY(-10%); }
  50% { transform: translateX(50%) translateY(10%); }
  100% { transform: translateX(-50%) translateY(-10%); }
}

.gradient-bg {
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
  background: 
    linear-gradient(40deg, var(--color-bg1), var(--color-bg2)),
    url("noise.png"); /* ÔëµãÎÆÀí */
  background-size: cover, cover;
  background-repeat: no-repeat;
  background-blend-mode: overlay;

  top: 0;
  left: 0;
}

.gradient-bg::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.gradient-bg svg {
  position: fixed;
  top:0;
  left:0;
  width: 0;
  height: 0;
}

.gradients-container {
  filter: url(#goo) blur(50px);
  width: 100%;
  height: 100%;
}

.g1, .g2, .g3, .g4, .g5, .interactive {
  position: absolute;
  mix-blend-mode: var(--blending);
}

.g1 {
  background: radial-gradient(circle at center, rgba(var(--color1), 0.8) 0, rgba(var(--color1), 0) 50%);
  width: var(--circle-size);
  height: var(--circle-size);
  top: calc(50% - var(--circle-size) / 2);
  left: calc(50% - var(--circle-size) / 2);
  transform-origin: center center;
  animation: moveVertical 30s ease infinite;
  opacity: 1;
}

.g2 {
  background: radial-gradient(circle at center, rgba(var(--color2), 0.8) 0, rgba(var(--color2), 0) 50%);
  width: var(--circle-size);
  height: var(--circle-size);
  top: calc(50% - var(--circle-size) / 2);
  left: calc(50% - var(--circle-size) / 2);
  transform-origin: calc(50% - 400px);
  animation: moveInCircle 20s reverse infinite;
  opacity: 1;
}

.g3 {
  background: radial-gradient(circle at center, rgba(var(--color3), 0.8) 0, rgba(var(--color3), 0) 50%);
  width: var(--circle-size);
  height: var(--circle-size);
  top: calc(50% - var(--circle-size) / 2 + 200px);
  left: calc(50% - var(--circle-size) / 2 - 500px);
  transform-origin: calc(50% + 400px);
  animation: moveInCircle 40s linear infinite;
  opacity: 1;
}

.g4 {
  background: radial-gradient(circle at center, rgba(var(--color4), 0.8) 0, rgba(var(--color4), 0) 50%);
  width: var(--circle-size);
  height: var(--circle-size);
  top: calc(50% - var(--circle-size) / 2);
  left: calc(50% - var(--circle-size) / 2);
  transform-origin: calc(50% - 200px);
  animation: moveHorizontal 40s ease infinite;
  opacity: 0.7;
}

.g5 {
  background: radial-gradient(circle at center, rgba(var(--color5), 0.8) 0, rgba(var(--color5), 0) 50%);
  width: calc(var(--circle-size) * 2);
  height: calc(var(--circle-size) * 2);
  top: calc(50% - var(--circle-size));
  left: calc(50% - var(--circle-size));
  transform-origin: calc(50% - 800px) calc(50% + 200px);
  animation: moveInCircle 20s ease infinite;
  opacity: 1;
}

.interactive {
  background: radial-gradient(circle at center, rgba(var(--color-interactive), 0.8) 0, rgba(var(--color-interactive), 0) 50%);
  width: 100%;
  height: 100%;
  top: -50%;
  left: -50%;
  opacity: 0.7;
}
