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Improve mobile landing performance #35

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Merged
sarthakagrawal927 merged 1 commit into from
Aug 4, 2026
Merged

Improve mobile landing performance #35

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17 changes: 4 additions & 13 deletions landing-astro/src/layouts/Layout.astro
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Original file line number Diff line number Diff line change
@@ -1,11 +1,4 @@
---
// Self-hosted Geist variable font. Astro inlines the @font-face into
// the page's CSS via Lightning CSS (build.inlineStylesheets: 'always'),
// so we drop the external fonts.googleapis.com round-trip from the
// LCP path. Family registers as 'Geist Variable' — mapped onto the
// existing --font-geist-sans CSS var below so global.css needs no
// changes. Geist Mono is not used on the landing surface; skipped.
import '@fontsource-variable/geist';
import '@/styles/global.css';

interface Props {
Expand Down Expand Up @@ -77,14 +70,12 @@ const jsonLd = {
<meta name="twitter:site" content="@sarthakcodes" />
<meta name="twitter:creator" content="@sarthakcodes" />

{/* Mirror the CSS vars Next.js's next/font set up, so `font-sans`
(which resolves to var(--font-sans) → var(--font-geist-sans))
keeps working unchanged. Fontsource Variable registers Geist as
'Geist Variable'; plain 'Geist' stays in the fallback chain. */}
{/* Use the native UI stack on the static landing page. This avoids a
late font swap moving and delaying the hero on constrained devices. */}
<style is:inline>
:root {
--font-geist-sans: 'Geist Variable', 'Geist', system-ui, -apple-system, sans-serif;
--font-geist-mono: 'Geist Mono', ui-monospace, monospace;
--font-geist-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
--font-geist-mono: ui-monospace, 'SFMono-Regular', Menlo, monospace;
}
html.dark { color-scheme: dark; }
body { margin: 0; }
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8 changes: 8 additions & 0 deletions landing-astro/src/styles/global.css
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,14 @@ body {
-webkit-font-smoothing: antialiased;
}

/* Keep the initial mobile render focused on the hero. Sections become fully
rendered as they approach the viewport, while their reserved size keeps
anchor navigation and the document scrollbar stable. */
.landing-page main > section:not(:first-child) {
content-visibility: auto;
contain-intrinsic-size: auto 800px;
}

:where(a, button, summary, [tabindex]):focus-visible {
outline: 2px solid var(--ring);
outline-offset: 3px;
Expand Down