/* A quieter alternative: the original demo, followed by plain, visible content. */
.simple-page main { width: min(100%, 36rem); padding: 2rem 1.5rem 3rem; justify-content: flex-start; }
.simple-page .icon-frame { width: 4.25rem; height: 4.25rem; }
.simple-page h1 { font-size: 2.75rem; margin-top: .625rem; }
.simple-page .tagline { font-size: 1.1875rem; line-height: 1.5; margin-bottom: .5rem; letter-spacing: -.025em; }
.simple-page .description { font-size: .9375rem; }
.simple-page .download { margin-top: 0; }
.simple-page .release-note { margin-top: .75rem; }
.simple-page .demo { margin-top: 2.25rem; }
.simple-section { width: 100%; text-align: left; border-top: 1px solid light-dark(#e6e6e8, #29292b); margin-top: 3rem; padding-top: 2rem; }
.simple-section h2 { font-size: .9375rem; font-weight: 600; letter-spacing: -.02em; margin: 0 0 1.5rem; }
.simple-features { display: grid; gap: 1.25rem; margin: 0; }
.simple-features dt { font-size: .8125rem; font-weight: 550; margin: 0 0 .25rem; }
.simple-features dd, .simple-start li span { margin: 0; color: light-dark(#66666d, #a1a1a6); font-size: .8125rem; line-height: 1.75; }
.simple-start { margin-top: 2rem; }
.simple-start ol { padding-left: 1.25rem; margin: 0; display: grid; gap: 1rem; }
.simple-start li { padding-left: .375rem; font-size: .8125rem; }
.simple-start li::marker { color: light-dark(#8a8a91, #929297); font-variant-numeric: tabular-nums; }
.simple-start strong { display: block; font-weight: 550; margin-bottom: .125rem; }
.simple-start li span { display: block; }
@media (max-width: 420px) { .simple-page main { padding-top: 1.5rem; }.simple-page .tagline { font-size: 1.0625rem; } }
@media (prefers-contrast: more) { .simple-features dd, .simple-start li span { color: light-dark(#303036, #ddd); } .simple-section { border-color: #888; } }

/* Keep the action in one stable place; only its supporting surface fades in. */
.site-header { position: sticky; top: 0; z-index: 20; padding-top: env(safe-area-inset-top); isolation: isolate; }
.site-header::before { content: ""; position: absolute; inset: 0; z-index: -1; background: light-dark(#fafafa, #000); box-shadow: 0 1px 0 light-dark(#0000000d, #ffffff1a); opacity: 0; transition: opacity 160ms var(--ease-out); }
.site-header.is-scrolled::before { opacity: 1; }
.site-header-inner { max-width: 64rem; min-height: 4.25rem; padding: .75rem max(1.25rem, env(safe-area-inset-right)) .75rem max(1.25rem, env(safe-area-inset-left)); margin: auto; display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.site-brand { display: inline-flex; align-items: center; gap: .375rem; min-height: 2.75rem; color: inherit; text-decoration: none; font-size: 1.125rem; font-weight: 650; letter-spacing: -.045em; }
.site-brand img { object-fit: contain; }
.site-header-actions { display: flex; align-items: center; gap: 1rem; }
.site-header .download { white-space: nowrap; }
.site-header .download svg { width: .875rem; height: .875rem; }
/* Frequent hover feedback: a quiet surface fade and a one-pixel arrow nudge. */
.site-header .download::after { opacity: 0; transition: opacity 160ms ease; }
.site-header .download .download-arrow { transform: none; transition: transform 160ms ease; }
@media (hover: hover) and (pointer: fine) {
  .site-header .download:hover::after { opacity: .06; }
}
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .site-header .download:hover:not(:focus-visible) .download-arrow { transform: translateY(1px); }
}
.site-header[data-keyboard] .download::after,
.site-header[data-keyboard] .download .download-arrow { transition: none; }
.site-header .download:focus-visible .download-arrow { transform: none; transition: none; }
@media (prefers-reduced-motion: reduce) {
  .site-header .download .download-arrow { transform: none; transition: none; }
}
.site-header[data-keyboard]::before { transition: none; }
#narly-title { scroll-margin-top: 5rem; }
@media (max-width: 420px) {
  .site-header-inner { padding-inline: 1rem; gap: .5rem; }
  .site-header-actions { gap: .5rem; }
  .site-brand { gap: .3125rem; font-size: 1rem; }
}
@media (pointer: coarse) { .site-header .download { min-height: 2.75rem; } }

@media (max-width: 420px) {
  .site-header .download {
    min-height: 1.875rem;
    padding: .1875rem .4375rem;
    gap: .25rem;
    font-size: .6875rem;
  }
  .site-header .download::after { inset: -.4375rem; }
  .site-header .download svg { width: .8125rem; height: .8125rem; }
}

@media (max-width: 360px) { .site-header .download { padding-inline: .5rem; gap: .25rem; }.site-header-inner { padding-inline: .75rem; }.site-header-actions { gap: .375rem; } }

/* Spatial continuity: the compact brand lifts into place as the hero passes. */
.site-brand {
  opacity: 0;
  transform: translateY(25%);
  pointer-events: none;
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.site-brand[data-visible="true"] { opacity: 1; transform: translateY(0); pointer-events: auto; }
.site-header[data-keyboard] .site-brand { transition: none; }
@media (prefers-reduced-motion: reduce) {
  .site-brand, .site-brand[data-visible="true"] { transform: none; transition-property: opacity; }
}