/* KitBack extends the site's navy palette with a pale equipment-label blue. */
.kitback { --max: 1160px; --ink-mute: #53647a; }
.kitback a { text-underline-offset: 4px; }
.kitback section[id] { scroll-margin-top: 6rem; }
.kb-skip { position: absolute; left: 1rem; top: -6rem; z-index: 20; background: white; padding: .8rem 1rem; color: var(--ink); }
.kb-skip:focus { top: 1rem; }
.kb-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.kb-hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: center; padding-block: 5rem; }
.kb-product { font-size: 1rem; color: var(--accent); font-weight: 600; margin-bottom: 1.4rem; }
.kb-intro h1 { font: 700 clamp(2.6rem, 4.6vw, 4rem)/1.06 var(--font-display); letter-spacing: -.035em; color: var(--ink); }
.kb-lede { font-size: 1.15rem; line-height: 1.7; margin-top: 1.5rem; max-width: 42ch; }
.kb-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.25rem; margin-top: 1.8rem; }
.kb-button { display: inline-flex; justify-content: center; padding: .9rem 1.25rem; background: var(--accent); border-radius: 6px; font-weight: 600; text-decoration: none; color: white; }
.kb-button:hover { background: var(--accent-deep); }
.kb-text-link { font-size: .9rem; font-weight: 500; color: var(--accent); }
.kb-caption { color: var(--ink-mute); font-size: .8rem; margin-top: 1.2rem; max-width: 44ch; }
.kb-manifest { background: #edf4fa; border: 1px solid #cedce9; border-top: 6px solid var(--ink); border-radius: 4px 4px 12px 12px; padding: 1.6rem; box-shadow: 10px 12px 0 #f6f8fc; }
.kb-manifest-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem; font-size: .8rem; color: var(--ink-soft); }
.kb-tag { display: inline-block; border: 1px solid #a9bfd5; border-radius: 4px; padding: .15rem .5rem; font-size: .75rem; }
.kb-manifest h2 { font: 600 1.5rem/1.25 var(--font-display); color: var(--ink); margin: 1.5rem 0 1.1rem; }
.kb-manifest table { width: 100%; border-collapse: collapse; text-align: left; }
.kb-manifest th, .kb-manifest td { border-bottom: 1px solid #cedce9; padding: .65rem 0; font-size: .9rem; }
.kb-manifest thead th { font-weight: 500; font-size: .75rem; color: var(--ink-mute); }
.kb-manifest tbody th { font-weight: 500; }
.kb-manifest td, .kb-manifest thead th:last-child { text-align: right; }
.kb-manifest td { color: var(--ink); font-variant-numeric: tabular-nums; }
.kb-manifest figcaption { margin-top: 1rem; font-size: .75rem; line-height: 1.65; color: var(--ink-mute); }
.kb-section { padding-block: 3.5rem; border-top: 1px solid var(--line); }
.kb-section h2 { font: 600 clamp(1.8rem, 3vw, 2.4rem)/1.15 var(--font-display); letter-spacing: -.025em; color: var(--ink); max-width: 26ch; }
.kb-section-heading > p { margin-top: .9rem; max-width: 58ch; }
.kb-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: 2.4rem; }
.kb-section h3 { color: var(--ink); font: 600 1.2rem/1.3 var(--font-display); }
.kb-features p, .kb-steps p { margin-top: .65rem; font-size: .95rem; }
.kb-launch-list { margin-top: 2rem; border-top: 1px solid var(--line-strong); }
.kb-launch { display: flex; justify-content: space-between; align-items: center; gap: 2rem; color: inherit; text-decoration: none; padding: 1.5rem .8rem; border-bottom: 1px solid var(--line-strong); }
.kb-launch:hover { background: var(--wash); }
.kb-launch p { margin-top: .35rem; font-size: .9rem; max-width: 58ch; }
.kb-launch-action { color: var(--accent); font-size: .9rem; font-weight: 600; white-space: nowrap; }
.kb-launch-action span { margin-left: .5rem; }
.kb-launch-note { font-size: .85rem; color: var(--ink-mute); margin-top: 1.2rem; max-width: 80ch; }
.kb-walkthrough { display: grid; grid-template-columns: 1fr 1.2fr; gap: 2rem 4rem; }
.kb-steps { padding-left: 1.5rem; }
.kb-steps li { padding-left: .6rem; margin-bottom: 1.5rem; }
.kb-steps li:last-child { margin-bottom: 0; }
.kb-steps li::marker { color: var(--accent); font-weight: 600; }
.kb-demo-note { grid-column: 1 / -1; padding: 1.25rem 1.5rem; background: var(--wash); border-left: 3px solid #9cb3cf; font-size: .9rem; }
.kb-demo-note strong { color: var(--ink); }
.kb-demo-note p { margin-top: .4rem; max-width: 80ch; }
.kb-demo-note a, .kb-about a { color: var(--accent); }
.kb-about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; }
.kb-about p { margin-top: 1rem; font-size: .95rem; max-width: 62ch; }
.kb-scope p { font-size: .85rem; }
.kitback .footer-links a { padding-block: .5rem; }
@media (max-width: 900px) {
  .kb-hero { gap: 2rem; }
  .kb-features { gap: 1.5rem; }
  .kb-walkthrough, .kb-about { gap: 2rem; }
}
@media (max-width: 700px) {
  .kb-hero { grid-template-columns: 1fr; padding-block: 3rem; gap: 2.5rem; }
  .kb-intro h1 { max-width: 16ch; }
  .kb-manifest { box-shadow: none; }
  .kb-features, .kb-walkthrough, .kb-about { grid-template-columns: 1fr; }
  .kb-section { padding-block: 2.5rem; }
  .kb-features { gap: 1.75rem; }
  .kb-launch { align-items: flex-start; flex-direction: column; gap: .8rem; padding-inline: 0; }
  .kb-steps { margin-top: .25rem; }
}
@media (max-width: 380px) {
  .kitback .nav { flex-wrap: wrap; gap: .6rem; }
  .kb-manifest { padding: 1.1rem; }
}