/* #gradient {
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #111c2e, #182842, #132035, #1b3764, #15243c, #1e3457, #14233b, #1d3255, #112036, #213e6e, #0c192d, #122647);
  background-size: 1000% 500%;
  animation: gradient 30s ease infinite;
  text-align: center;
} */

#gradient {
    width: 100%;
    height: 100%;
    background-color: #0f1c2f; /* 기존 그라데이션 중 가장 무난한 톤 선택 */
    text-align: center;
}

/* glow-container와 ball 요소 숨김 처리로 렌더링 부하 완전 제거 */
.section_01 .glow-container {
    display: none;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 100% 100%;
    }
}

.section_01 {
    .glow-container {
        overflow-x: hidden;
        overflow-y: hidden;
        position: fixed;
        width: 100%;
        height: 100%;
        min-height: 100vh;
        margin: 0;
        padding: 0;
    }
}

.section_01 {
    .glow-container {
        .ball {
            --delay: 0s;
            --size: 0.4;
            --speed: 20s;

            aspect-ratio: 1;
            width: calc(200% * var(--size));

            background: linear-gradient(
                259.53deg,
                #0a3fff 6.53%,
                #b31a1a 95.34%
            );
            filter: blur(30vh);

            border-radius: 50%;

            position: absolute;
            top: 0;
            left: 0;

            animation: glow var(--speed) infinite linear;
            animation-delay: var(--delay);
            transform-origin: 50% 50%;

            opacity: 0.4;
        }
    }
}

@media (max-width: 768px) {
    .section_01 > .glow-container > .ball {
        width: calc(300% * var(--size));
        filter: blur(10vh);
        opacity: 0.6;
    }
}

@keyframes glow {
    0% {
        transform: translate3D(0%, 51%, 0) rotate(0deg);
    }

    5% {
        transform: translate3D(8%, 31%, 0) rotate(18deg);
    }

    10% {
        transform: translate3D(22%, 13%, 0) rotate(36deg);
    }

    15% {
        transform: translate3D(40%, 2%, 0) rotate(54deg);
    }

    20% {
        transform: translate3D(46%, 21%, 0) rotate(72deg);
    }

    25% {
        transform: translate3D(50%, 47%, 0) rotate(90deg);
    }

    30% {
        transform: translate3D(53%, 80%, 0) rotate(108deg);
    }

    35% {
        transform: translate3D(59%, 98%, 0) rotate(125deg);
    }

    40% {
        transform: translate3D(84%, 89%, 0) rotate(144deg);
    }

    45% {
        transform: translate3D(92%, 68%, 0) rotate(162deg);
    }

    50% {
        transform: translate3D(99%, 47%, 0) rotate(180deg);
    }

    55% {
        transform: translate3D(97%, 21%, 0) rotate(198deg);
    }

    60% {
        transform: translate3D(80%, 7%, 0) rotate(216deg);
    }

    65% {
        transform: translate3D(68%, 25%, 0) rotate(234deg);
    }

    70% {
        transform: translate3D(59%, 41%, 0) rotate(251deg);
    }

    75% {
        transform: translate3D(50%, 63%, 0) rotate(270deg);
    }

    80% {
        transform: translate3D(38%, 78%, 0) rotate(288deg);
    }

    85% {
        transform: translate3D(21%, 92%, 0) rotate(306deg);
    }

    90% {
        transform: translate3D(3%, 79%, 0) rotate(324deg);
    }

    100% {
        transform: translate3D(0%, 51%, 0) rotate(360deg);
    }
}