asw/src/layers/12-landing.css
Ludo fa9190abe1
fix: landing page layout — centered h2s, constrained width, data-landing
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-11 21:29:20 +02:00

218 lines
6.7 KiB
CSS

/**
* 09-landing.css
* Landing-page specific layout and component styles.
* Loads after 08-layout so hero overrides correctly take precedence.
* Part of: Agentic Semantic Web
*/
/* ── Landing page container ───────────────────────────────────────────── */
[data-landing] {
max-width: var(--width-xl);
margin-inline: auto;
padding-inline: var(--container-padding);
}
[data-landing] > h2 {
text-align: center;
margin-top: var(--space-8);
margin-bottom: var(--space-5);
}
[data-landing] > p {
text-align: center;
color: var(--text-2);
max-width: 50ch;
margin-inline: auto;
margin-bottom: var(--space-5);
}
/* ── [data-section] — horizontal-rule sections ──────────────────────────
Usage: <section data-section> or <section data-section="demo">
─────────────────────────────────────────────────────────────────────── */
[data-section] {
padding-block: var(--space-8);
border-bottom: var(--border-width) solid var(--border-subtle);
}
/* ── [data-section-header] — centered section heading ───────────────────
Usage: <header data-section-header> inside [data-section]
─────────────────────────────────────────────────────────────────────── */
[data-section-header] {
text-align: center;
margin-bottom: var(--space-6);
}
[data-section-header] h2 {
margin-bottom: var(--space-3);
}
[data-section-header] > p {
color: var(--text-2);
max-width: 50ch;
margin-inline: auto;
margin-bottom: 0;
}
/* ── Hero ─────────────────────────────────────────────────────────────── */
[data-hero] {
text-align: center;
padding: clamp(3.5rem, 10vw, 7rem) var(--space-5) clamp(3rem, 8vw, 5.5rem);
border-bottom: var(--border-width) solid var(--border-subtle);
}
[data-hero] h1 {
font-size: clamp(2.6rem, 6vw, 4.5rem);
font-weight: var(--weight-light);
letter-spacing: -0.025em;
line-height: 1.05;
margin-bottom: var(--space-4);
}
[data-hero] > p {
font-size: clamp(1rem, 2.5vw, 1.2rem);
color: var(--text-2);
max-width: 46ch;
margin-inline: auto;
line-height: var(--leading-tight);
}
[data-hero] > nav {
display: flex;
gap: var(--space-3);
justify-content: center;
flex-wrap: wrap;
margin-top: var(--space-5);
}
[data-hero] > nav a {
display: inline-block;
padding: var(--space-2) var(--space-5);
border-radius: var(--radius-md);
font-size: var(--text-sm);
font-weight: var(--weight-medium);
text-decoration: none;
border: var(--border-width) solid var(--border);
background: var(--surface-1);
color: var(--text-2);
transition: background-color var(--ease-3), color var(--ease-3), border-color var(--ease-3);
}
[data-hero] > nav a:first-child {
background: var(--accent);
color: var(--on-accent);
border-color: transparent;
}
[data-hero] > nav a:hover {
background: var(--surface-2);
color: var(--text);
}
[data-hero] > nav a:first-child:hover {
background: var(--accent-hover);
color: var(--on-accent);
}
/* ── figure[data-pane] — side-by-side demo panes ────────────────────────
Usage:
<figure data-pane="code">
<figcaption>HTML</figcaption>
<pre><code>…</code></pre>
</figure>
<figure data-pane="result">
<figcaption>Result</figcaption>
<div data-pane-body>…</div>
</figure>
─────────────────────────────────────────────────────────────────────── */
figure[data-pane] {
background: var(--surface-1);
border: var(--border-width) solid var(--border);
border-radius: var(--radius-md);
overflow: hidden;
display: flex;
flex-direction: column;
margin: 0;
}
figure[data-pane] > figcaption {
background: var(--surface-2);
border-bottom: var(--border-width) solid var(--border);
padding: var(--space-2) var(--space-4);
font-family: var(--font-mono);
font-size: var(--text-xs);
text-transform: uppercase;
letter-spacing: 0.1em;
color: var(--text-3);
flex-shrink: 0;
}
figure[data-pane="code"] > pre {
margin: 0;
padding: var(--space-4) var(--space-5);
background: transparent;
border: none;
font-size: 0.775rem;
line-height: 1.75;
flex: 1;
overflow-x: auto;
}
figure[data-pane="result"] > [data-pane-body] {
padding: var(--space-5);
flex: 1;
}
figure[data-pane="result"] > [data-pane-body] article {
margin: 0;
}
/* ── article[data-pillar] — three-pillar feature cards ──────────────────
ASW already styles article as a card; data-pillar tunes internals.
─────────────────────────────────────────────────────────────────────── */
article[data-pillar] {
padding: var(--space-5);
}
article[data-pillar] h3 {
margin-bottom: var(--space-2);
}
article[data-pillar] > p {
color: var(--text-2);
font-size: var(--text-sm);
margin: 0;
}
/* ── [data-preview] — inert mini page preview ───────────────────────────
Sits inside article[data-card="page-type"]. pointer-events: none keeps
it visually alive but non-interactive.
─────────────────────────────────────────────────────────────────────── */
[data-preview] {
margin-top: var(--space-4);
padding: var(--space-4);
background: var(--surface);
border: var(--border-width) solid var(--border-subtle);
border-radius: var(--radius-sm);
pointer-events: none;
overflow: hidden;
}
/* ── [data-agent-native] — agent vocabulary section ─────────────────────
─────────────────────────────────────────────────────────────────────── */
[data-agent-native] h4 {
margin-top: 0;
margin-bottom: var(--space-2);
}
[data-agent-native] pre {
font-size: var(--text-xs);
margin-top: var(--space-3);
}