배경 그라디언트 애니메이션

.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: white;
      opacity: 0.8;
      user-select: none;
      text-shadow: 1px 1px rgba(0,0,0,0.1);
    }
    
    :root {
      --color-bg1: rgb(108, 0, 162);
      --color-bg2: rgb(0, 17, 82);
      --color1: 18, 113, 255;
      --color2: 221, 74, 255;
      --color3: 100, 220, 255;
      --color4: 200, 50, 50;
      --color5: 180, 180, 50;
      --color-interactive: 140, 100, 255;
      --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));
      top: 0;
      left: 0;
    
      svg {
        display: none;
      }
    
    
      .gradients-container {
        filter: url(#goo) blur(40px) ;
        width: 100%;
        height: 100%;
      }
    
      .g1 {
        position: absolute;
        background: radial-gradient(circle at center, rgba(var(--color1), 0.8) 0, rgba(var(--color1), 0) 50%) no-repeat;
        mix-blend-mode: var(--blending);
    
        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 {
        position: absolute;
        background: radial-gradient(circle at center, rgba(var(--color2), 0.8) 0, rgba(var(--color2), 0) 50%) no-repeat;
        mix-blend-mode: var(--blending);
    
        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 {
        position: absolute;
        background: radial-gradient(circle at center, rgba(var(--color3), 0.8) 0, rgba(var(--color3), 0) 50%) no-repeat;
        mix-blend-mode: var(--blending);
    
        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 {
        position: absolute;
        background: radial-gradient(circle at center, rgba(var(--color4), 0.8) 0, rgba(var(--color4), 0) 50%) no-repeat;
        mix-blend-mode: var(--blending);
    
        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 {
        position: absolute;
        background: radial-gradient(circle at center, rgba(var(--color5), 0.8) 0, rgba(var(--color5), 0) 50%) no-repeat;
        mix-blend-mode: var(--blending);
    
        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 {
        position: absolute;
        background: radial-gradient(circle at center, rgba(var(--color-interactive), 0.8) 0, rgba(var(--color-interactive), 0) 50%) no-repeat;
        mix-blend-mode: var(--blending);
    
        width: 100%;
        height: 100%;
        top: -50%;
        left: -50%;
    
        opacity: 0.7;
      }
    }

<div class="bubble-r-container relative"><div style="place-self: center;min-width: 100%;max-width: 100%;min-height: 100%;max-height: 100%;width: 100%;height: 100%;margin: 0px;z-index: 2;border-radius: 0px;opacity: 1;">  
    
    <div class="gradient-bg">
        <svg xmlns="http://www.w3.org/2000/svg">
            <defs>
            <filter id="goo">
                <feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur"></feGaussianBlur>
                <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 18 -8" result="goo"></feColorMatrix>
                <feBlend in="SourceGraphic" in2="goo"></feBlend>
            </filter>
            </defs>
        </svg>
        <div class="gradients-container">
            <div class="g1"></div>
            <div class="g2"></div>
            <div class="g3"></div>
            <div class="g4"></div>
            <div class="g5"></div>
            <div class="interactive"></div>
        </div>
    </div>
</div>