ditto.site/.opencode/fixtures/test-site/styles.css

/* Capture fixture stylesheet — deliberately includes patterns that the cropin clone got wrong:
   vh-based heights, full-bleed widths, lazy-load gating via class toggle, marquee transform,
   pseudo-element decoration, multi-stop gradient. */

:root {
  --nav-h: 64px;
  --accent: #22c55e;
  --accent-dark: #166534;
  --bg: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: white;
  border-bottom: 1px solid #e2e8f0;
}
.nav .logo {
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
}
.nav nav {
  display: flex;
  gap: 16px;
}
.nav nav a {
  color: var(--muted);
  text-decoration: none;
}
.nav nav a:hover {
  color: var(--text);
}

/* === Section A: vh-relative hero ===
   The point of this section: computed.minHeight resolves to 656px at capture,
   1016px on the user's 1080-tall viewport. The capture's vh-detection pass
   should flag this as ~91vh. */
.hero {
  min-height: calc(100vh - var(--nav-h));
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 32px;
  text-align: center;
  background: linear-gradient(135deg, #ecfdf5 0%, #f0f9ff 100%);
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  margin: 0;
}
.hero p {
  max-width: 56ch;
  margin: 0;
  color: var(--muted);
}
.hero .cta {
  display: inline-block;
  padding: 12px 24px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  border-radius: 9999px;
  text-decoration: none;
  transition: transform 200ms;
}
.hero .cta:hover {
  transform: translateY(-2px);
}

/* === Section B: full-width gradient with inner max-width container === */
.features {
  width: 100vw;
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  padding: 80px 0;
}
.features .inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.features h2 {
  font-size: 36px;
  margin: 0 0 32px;
}
.grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  padding: 24px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), 0 4px 12px rgba(0, 0, 0, 0.06);
}
.card .icon {
  width: 32px;
  height: 32px;
  color: var(--accent-dark);
  margin-bottom: 12px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}
.card p {
  margin: 0;
  color: var(--muted);
}

/* IntersectionObserver reveal — class .is-visible toggled via reveal.js */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Section C: lazy-loaded background image ===
   The class .is-loaded is added once IO fires. Until then, no bg image — and the
   browser does NOT GET-request the URL. capture/css-rules/<vp>.json will still
   contain the rule though, so a CSS-asset-extraction pass should pick it up. */
.lazy-bg {
  width: 100%;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background-color: #0f172a;
  color: white;
  text-align: center;
  padding: 64px 24px;
  overflow: hidden;
}
.lazy-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(180deg, rgba(15, 23, 42, 0.4) 0%, rgba(15, 23, 42, 0.7) 100%);
  z-index: 1;
}
.lazy-bg .inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.lazy-bg h2 {
  margin: 0 0 16px;
  font-size: 36px;
}
.lazy-bg p {
  margin: 0;
  color: rgba(255, 255, 255, 0.85);
}
.lazy-bg.is-loaded {
  background-image: url('./hero-bg.svg');
  background-size: cover;
  background-position: center;
}
/* Decorative content-image ::before that uses url() but is set in the stylesheet only. */
.lazy-bg::after {
  content: '';
  position: absolute;
  right: 24px;
  bottom: 24px;
  width: 64px;
  height: 64px;
  background-image: url('./decoration.svg');
  background-size: contain;
  background-repeat: no-repeat;
  z-index: 2;
  opacity: 0.85;
}

/* === Section D: marquee with overflow + transform translation === */
.marquee {
  padding: 64px 0;
  background: white;
  text-align: center;
  overflow-x: hidden;
}
.marquee h2 {
  margin: 0 0 24px;
  font-size: 36px;
}
.marquee .track {
  display: flex;
  gap: 48px;
  animation: scroll 20s linear infinite;
  width: max-content;
  padding: 0 24px;
}
.logo-tile {
  flex: 0 0 auto;
  height: 32px;
  width: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}
.logo-tile svg {
  height: 100%;
  width: 100%;
}
@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* === Section E: detailed inline SVG === */
.detailed-svg {
  padding: 64px 24px;
  text-align: center;
}
.detailed-svg h2 {
  margin: 0 0 24px;
  font-size: 36px;
}
.detailed-svg svg {
  display: block;
  margin: 0 auto;
}

/* === Footer === */
.footer {
  padding: 32px 24px;
  background: #0f172a;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
}