gsap+ScrollTrigger实现暗色亮色切换的视频背景页面滚动文字动画效果代码-html代码-BFW代码库

gsap+ScrollTrigger实现暗色亮色切换的视频背景页面滚动文字动画效果代码

代码语言：html

代码描述：gsap+ScrollTrigger实现暗色亮色切换的视频背景页面滚动文字动画效果代码，鼠标滚轮向下滚动看到效果。

代码标签： gsap ScrollTrigger 暗色亮色切换视频背景页面滚动文字动画

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  
  
  
<style>
*,
*:after,
*:before {
	box-sizing: border-box;
}

:root {
	--font-size: clamp(2rem, 8vmin + 1rem, 4rem);
	--line: color-mix(in lch, canvasText 15%, transparent);
	--base: 0.4;
	--accent: hsl(8 100% 55%);
	--header-height: 100vh;
	--overlay: color-mix(in lch, canvas 70%, transparent);
	color-scheme: dark only;
}

:root[data-theme='light'] {
	--base: 0.3;
	--line: color-mix(in lch, canvasText 35%, transparent);
	--overlay: color-mix(in lch, canvas 70%, transparent);
	color-scheme: light only;
}

html:not(:focus-within) {
	scroll-behavior: smooth;
}

body {
	min-height: 100vh;
	font-family: 'SF Pro Text', 'SF Pro Icons', 'AOS Icons', 'Helvetica Neue',
		Helvetica, Arial, sans-serif, system-ui;
	background: canvas;
}

body::before {
	--size: 60px;
	content: '';
	height: 100vh;
	width: 100vw;
	position: fixed;
	background: linear-gradient(
				90deg,
				var(--line) 1px,
				transparent 1px var(--size)
			)
			50% 50% / var(--size) var(--size),
		linear-gradient(var(--line) 1px, transparent 1px var(--size)) 50% 50% /
			var(--size) var(--size);
	-webkit-mask: linear-gradient(-15deg, transparent 40%, white);
	        mask: linear-gradient(-15deg, transparent 40%, white);
	top: 0;
	transform-style: flat;
	pointer-events: none;
	z-index: -1;
}

:is(h1, h2) {
	font-size: clamp(2rem, 3vw + 1rem, 6rem);
}

[href='#read'] {
	position: absolute;
	bottom: 2rem;
	left: 50%;
	translate: -50% 0;
	width: 48px;
	aspect-ratio: 1;
	display: grid;
	place-items: center;
	color: canvasText;
}
[href='#read'] svg {
	width: 75%;
}

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border-width: 0;
}

[data-split] {
	font-size: var(--font-size);
	font-weight: 600;
}

header {
	min-height: var(--header-height);
	display: grid;
	place-items: center;
	position: relative;
	transform-origin: 50% 0%;
}

h1 {
	display: flex;
	flex-direction: column;
	justify-content: center;
	text-align: center;
}

h1 > span:first-of-type {
	font-size: 0.35em;
	color: var(--accent);
	text-transform: uppercase;
}

header > section {
	position: relative;
	top: 0;
	min-height: var(--header-height);
	width: 100%;
	translate: 0 -100%;
	display: grid;
	place-items: center;
	background: var(--overlay);
}

header > section::before {
	content: '';
	background: var(--overlay);
	position: absolute;
	inset: 0;
	translate: 0 100%;
}

video {
	position: sticky;
	top: 0;
	height: var(--header-height);
	width: 100vw;
	-o-object-fit: cover;
	   object-fit: cover;
	background: canvas;
}

footer {
	text-align: center;
	padding: 2rem;
	opacity: 0.875;
}

section:not(.reader) {
	min-height: 100vh;
	display: grid;
	place-items: center;
}

.content {
	position: sticky;
	top: 0;
	min-height: 100vh;
	width: 100ch;
	padding: 2rem 0;
	max-width: calc(100% - 4rem);
	display: grid;
	place-items: center;
	margin: 0 auto;
	line-height: 1;
}

.content span {
	opacity: calc(var(--base) + (var(--active)));
	transition: opacity 0.5s;
}

.reader {
	--thick: 0px;
	outline: var(--thick) dashed var(--accent);
	outline-offset: calc(var(--thick) * -1);

	/* The trick here is that --ppc could be dynamic	*/
	height: calc(
		((var(--.........完整代码请登录后点击上方下载按钮下载查看