<svg class="hero-blob-1" viewBox="0 0 600 600" xmlns="http://www.w3.org/2000/svg">
<g transform="translate(300,300)">
<path d="M120,-157.6C152.7,-141.5,174.3,-102.6,194.8,-58.8C215.3,-14.9,234.6,33.8,228.4,80.8C222.2,127.8,190.4,173.1,148.1,184C105.8,195,52.9,171.5,-2.4,174.8C-57.8,178.2,-115.6,208.4,-137.5,190.9C-159.3,173.3,-145.3,108,-153,56.3C-160.7,4.6,-190.2,-33.4,-178.3,-54.2C-166.4,-75.1,-113.2,-78.8,-76.6,-93.6C-40,-108.3,-20,-134.2,11.9,-150.5C43.7,-166.8,87.4,-173.6,120,-157.6Z" fill="#0055fe" >
<animate attributeName="d"
dur="3s"
values="M100,-107.6C142.7,41.5,174.3,-102.6,194.8,-58.8C215.3,-14.9,234.6,33.8,228.4,80.8C222.2,127.8,190.4,123.1,148.1,184C165.8,125,52.9,131.5,-2.4,174.8C-57.8,178.2,-115.6,208.4,-137.5,190.9C-159.3,103.3,-145.3,58,-153,56.3C-160.7,4.6,-190.2,-33.4,-178.3,-54.2C-126.4,-75.1,-130.2,-30.8,-70.6,-90.6C-40,-68.3,-10,-184.2,11.9,-150.5C43.7,-186.8,87.4,-173.6,40,-107.6Z;
M120,-157.6C152.7,-141.5,174.3,-102.6,194.8,-58.8C215.3,-14.9,234.6,33.8,228.4,80.8C222.2,127.8,190.4,173.1,148.1,184C105.8,195,52.9,171.5,-2.4,174.8C-57.8,178.2,-115.6,208.4,-137.5,190.9C-159.3,173.3,-145.3,108,-153,56.3C-160.7,4.6,-190.2,-33.4,-178.3,-54.2C-166.4,-75.1,-113.2,-78.8,-76.6,-93.6C-40,-108.3,-20,-134.2,11.9,-150.5C43.7,-166.8,87.4,-173.6,120,-157.6Z"
repeatCount="indefinite"
begin="mousemove"/>
</path>
</g>
</svg>
item.velocity.x += (item.mouse.current.x - item.mouse.previous.x) / 25;
item.velocity.y += (item.mouse.current.y - item.mouse.previous.y) / 25;
[item.velocity.x, item.velocity.y] = [item.position.x / -10, item.position.y / -10];
z-index
отвечу. z-index
. Картинку "Давида" оборачиваете так<div class="img-wrapper david">
<img src="img/David.png" alt="Давид" class="wow fadeInUp faster">
</div>
header .hero-img img
наheader .hero-img img,
header .hero-img .img-wrapper {
position: absolute;
max-width: 100%;
}
header .hero-img .img-wrapper img {
position: static;
}
.img-wrapper
const boxes = document.querySelectorAll('.img-wrapper');
body
неплохо бы overflow-x: hidden;
. Нынче популярная точка, летающая за курсором, расширяет контейнер и появляется горизонтальный скролл.