Idea

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="512"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#ffbef9" />
        <stop offset="1" stop-color="#fff1ff" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="231"
        x2="231"
        y1="320"
        y2="60"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#a93aff" />
        <stop offset="1" stop-color="#ff81ff" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="M483.713 307.04 436 230.698V205C436 91.962 344.037 0 231 0S26 91.962 26 205c0 35.253 9.049 70.176 26.17 100.993L76 348.887V497c0 8.284 6.716 15 15 15h190c8.284 0 15-6.716 15-15v-47h85c30.327 0 55-24.673 55-55v-49.844l40.56-16.224c8.684-3.474 12.111-13.96 7.153-21.892z"
    />
    <path
        fill="url(#b)"
        d="M281 282.353V305c0 8.284-6.716 15-15 15h-70c-8.284 0-15-6.716-15-15v-22.647zM126 165c0-57.99 47.01-105 105-105s105 47.01 105 105c0 36.427-18.55 68.522-46.719 87.353H172.719C144.55 233.522 126 201.427 126 165z"
    />
</svg>