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feat: implement scroll fade animations and reduced motion support for improved user experience. #9

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Merged
yq33victor merged 1 commit into from
May 25, 2026
Merged

feat: implement scroll fade animations and reduced motion support for improved user experience. #9

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50 changes: 50 additions & 0 deletions src/assets/styles/tailwind.css
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,56 @@
}
}

@media (prefers-reduced-motion: no-preference) {
body {
animation: page-fade-in 480ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.js-enabled .scroll-fade,
.js-enabled .scroll-fade-stagger > * {
opacity: 0;
translate: 0 1.75rem;
transition:
opacity 680ms cubic-bezier(0.22, 1, 0.36, 1),
translate 680ms cubic-bezier(0.22, 1, 0.36, 1);
transition-delay: var(--scroll-fade-delay, 0ms);
will-change: opacity, translate;
}

.js-enabled .scroll-fade.is-visible,
.js-enabled .scroll-fade-stagger.is-visible > * {
opacity: 1;
translate: 0 0;
}

.js-enabled .scroll-fade:not(.is-visible),
.js-enabled .scroll-fade-stagger:not(.is-visible) > * {
transition-delay: 0ms;
}
}

@media (prefers-reduced-motion: reduce) {
body {
animation: none;
}

.scroll-fade,
.scroll-fade-stagger > * {
opacity: 1;
translate: 0 0;
transition: none;
}
}

@keyframes page-fade-in {
from {
opacity: 0;
}
to {
opacity: 1;
}
}

#header.scroll > div:first-child {
@apply bg-page md:bg-white/90 md:backdrop-blur-md;
box-shadow: 0 0.375rem 1.5rem 0 rgb(140 152 164 / 13%);
Expand Down
44 changes: 44 additions & 0 deletions src/components/common/BasicScripts.astro
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,7 @@ import { UI } from 'astrowind:config';
});
};
const onPageShow = function () {
document.documentElement.classList.add('js-enabled');
document.documentElement.classList.add('motion-safe:scroll-smooth');
const elem = document.querySelector('[data-aw-toggle-menu]');
if (elem) {
Expand Down Expand Up @@ -266,9 +267,52 @@ import { UI } from 'astrowind:config';
},
};

const PageMotion = {
observer: null,

start() {
document.documentElement.classList.add('js-enabled');
this.observer?.disconnect();

const elements = Array.from(document.querySelectorAll('.scroll-fade, .scroll-fade-stagger'));
const prefersReducedMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

elements.forEach((element) => {
if (element.classList.contains('scroll-fade-stagger')) {
Array.from(element.children).forEach((child, index) => {
child.style.setProperty('--scroll-fade-delay', `${Math.min(index, 6) * 90}ms`);
});
}

if (prefersReducedMotion) {
element.classList.add('is-visible');
}
});

if (prefersReducedMotion || !elements.length) {
return;
}

this.observer = new IntersectionObserver(
(entries) => {
entries.forEach((entry) => {
entry.target.classList.toggle('is-visible', entry.isIntersecting);
});
},
{ threshold: 0.12, rootMargin: '0px 0px -10% 0px' }
);

elements.forEach((element) => {
this.observer.observe(element);
});
},
};

Observer.start();
PageMotion.start();

document.addEventListener('astro:after-swap', () => {
Observer.start();
PageMotion.start();
});
</script>
3 changes: 3 additions & 0 deletions src/layouts/Layout.astro
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,9 @@ const { language, textDirection } = I18N;
<html lang={language} dir={textDirection} class="2xl:text-[20px]">
<head>
<CommonMeta />
<script is:inline data-astro-rerun>
document.documentElement.classList.add('js-enabled');
</script>
<Favicons />
<CustomStyles />
<ApplyColorMode />
Expand Down
12 changes: 6 additions & 6 deletions src/pages/index.astro
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ const metadata = {
<div class="relative mx-auto max-w-7xl px-4 sm:px-6">
<div class="pointer-events-none pt-[76px] 2xl:pt-[85px]"></div>
<div class="py-16 md:py-24 lg:py-28">
<div class="mx-auto max-w-4xl text-center">
<div class="scroll-fade-stagger mx-auto max-w-4xl text-center">
<img src="/images/logo.png" alt="xLLM logo" class="mx-auto h-28 w-auto" />
<h1 class="mt-3 text-3xl font-bold leading-tight tracking-tight text-heading md:text-3xl dark:text-white">
The <span class="font-extrabold text-[#EB2700]">High-Performance</span> Inference Framework for
Expand All @@ -44,7 +44,7 @@ const metadata = {
</div>
</div>

<div class="mx-auto mt-12 grid max-w-6xl gap-4 md:grid-cols-3">
<div class="scroll-fade-stagger mx-auto mt-12 grid max-w-6xl gap-4 md:grid-cols-3">
<div
class="rounded-3xl border border-slate-200/80 bg-white/75 p-6 dark:border-slate-700 dark:bg-slate-900/50"
>
Expand Down Expand Up @@ -88,7 +88,7 @@ const metadata = {

<section id="community" class="not-prose">
<div class="mx-auto max-w-7xl px-4 py-10 md:px-6 md:py-12 lg:py-16">
<div class="mx-auto max-w-3xl text-center">
<div class="scroll-fade mx-auto max-w-3xl text-center">
<p class="text-sm font-semibold uppercase tracking-wide text-[rgba(235,39,0,0.75)]">Got Questions?</p>
<h2 class="mt-3 text-2xl font-bold tracking-tight text-heading md:text-3xl dark:text-white">
We are here to help
Expand All @@ -99,7 +99,7 @@ const metadata = {
</p>
</div>

<div class="mx-auto mt-8 grid max-w-6xl gap-4 md:grid-cols-3">
<div class="scroll-fade-stagger mx-auto mt-8 grid max-w-6xl gap-4 md:grid-cols-3">
<a
href="https://docs.xllm-ai.com/en/"
target="_blank"
Expand Down Expand Up @@ -148,15 +148,15 @@ const metadata = {

<section id="resources" class="not-prose">
<div class="mx-auto max-w-7xl px-4 py-10 md:px-6 md:py-12 lg:py-16">
<div class="mx-auto max-w-3xl text-center">
<div class="scroll-fade mx-auto max-w-3xl text-center">
<p class="text-sm font-semibold uppercase tracking-wide text-[rgba(235,39,0,0.75)]">Resources</p>
<h2 class="mt-3 text-2xl font-bold tracking-tight text-heading md:text-3xl dark:text-white">
Explore docs, paper, and releases
</h2>
<p class="mt-3 text-base text-muted md:text-lg">Core project resources in one place.</p>
</div>

<div class="mx-auto mt-8 grid max-w-6xl gap-4 md:grid-cols-3">
<div class="scroll-fade-stagger mx-auto mt-8 grid max-w-6xl gap-4 md:grid-cols-3">
<a
href="https://docs.xllm-ai.com/en/"
target="_blank"
Expand Down
2 changes: 1 addition & 1 deletion src/pages/publications.astro
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Expand Up @@ -25,7 +25,7 @@ const publications = [...(publicationsData.publications as Publication[])].rever
<ol class="space-y-2">
{
publications.map((publication) => (
<li class="group relative overflow-hidden rounded-2xl border border-transparent bg-white/75 px-3 py-2 dark:bg-slate-900/50">
<li class="scroll-fade group relative overflow-hidden rounded-2xl border border-transparent bg-white/75 px-3 py-2 dark:bg-slate-900/50">
<div
class="pointer-events-none absolute inset-0 z-0 rounded-2xl opacity-0 shadow-[inset_0_0_0_9999px_rgba(235,39,0,0.03)] transition-opacity duration-300 ease-out will-change-[opacity] group-hover:opacity-100 group-hover:duration-200 group-focus-within:opacity-100 dark:shadow-[inset_0_0_0_9999px_rgba(235,39,0,0.2)]"
aria-hidden="true"
Expand Down
4 changes: 2 additions & 2 deletions src/pages/supported-models.astro
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ const supportedModelGroups = supportedModelsData.supportedModelGroups as Support
<Layout metadata={metadata}>
<section class="not-prose">
<div class="mx-auto max-w-7xl px-4 py-12 md:px-6 md:py-16">
<div class="mx-auto max-w-4xl text-center">
<div class="scroll-fade mx-auto max-w-4xl text-center">
<h1 class="mt-3 text-3xl font-bold tracking-tight text-heading md:text-4xl dark:text-white">
Mainstream Models Supported by xLLM
</h1>
Expand All @@ -34,7 +34,7 @@ const supportedModelGroups = supportedModelsData.supportedModelGroups as Support
supportedModelGroups.map((group) => (
<section
id={group.id}
class="card-hover rounded-[2rem] border border-slate-200/80 bg-white/75 p-6 dark:border-slate-700 dark:bg-slate-900/50"
class="scroll-fade card-hover rounded-[2rem] border border-slate-200/80 bg-white/75 p-6 dark:border-slate-700 dark:bg-slate-900/50"
>
<div class="max-w-3xl">
<h2 class="text-2xl font-semibold text-heading dark:text-white">{group.title}</h2>
Expand Down
4 changes: 2 additions & 2 deletions src/pages/team.astro
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Expand Up @@ -18,7 +18,7 @@ const coreTeam = coreTeamData.coreTeam as CoreTeamMember[];
<Layout metadata={metadata}>
<section class="not-prose">
<div class="mx-auto max-w-7xl px-4 py-12 md:px-6 md:py-16">
<div class="mx-auto max-w-4xl text-center">
<div class="scroll-fade-stagger mx-auto max-w-4xl text-center">
<p class="text-base font-semibold text-heading md:text-lg dark:text-white">
Thanks to all the following
<a
Expand All @@ -39,7 +39,7 @@ const coreTeam = coreTeamData.coreTeam as CoreTeamMember[];
</div>

<div
class="card-hover mx-auto mt-10 max-w-6xl overflow-hidden rounded-[2rem] border border-slate-200/80 bg-white/75 dark:border-slate-700 dark:bg-slate-900/50"
class="scroll-fade card-hover mx-auto mt-10 max-w-6xl overflow-hidden rounded-[2rem] border border-slate-200/80 bg-white/75 dark:border-slate-700 dark:bg-slate-900/50"
>
<div class="px-6 pt-6 text-center md:px-8">
<h2 class="text-2xl font-semibold text-heading dark:text-white">xLLM Core Team</h2>
Expand Down
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