/* ---------------------------------------------------------------
   The home page world: one drafting studio behind every chapter,
   and the chapters the studio owns (thesis, products, approach,
   principles, contact). Loaded after story.css and artefact.css.
   Work and Observability have their own modules (work.css, trace.css).
   --------------------------------------------------------------- */

/* ---------- The opening, lighter ---------- */
.peak--artefact .peak__panel .body { font-size: 1rem; max-width: 26em; color: var(--text-on-ink-muted); }
.peak--artefact .peak__panel .link { margin-top: 1.4rem; }
.peak--artefact .peak__tab .s { color: var(--text-on-ink-muted); }

/* ---------- Thesis: one statement, four callouts on leader lines ---------- */
.thesis { min-height: 70svh; }
.thesis__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 4rem; align-items: center; }
.callouts { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.8rem; }
.callout { position: relative; padding-left: 4.6rem; }
.callout__line { position: absolute; left: 0; top: 0.55em; width: 3.4rem; height: 1px; background: var(--accent); transform-origin: left center; }
.callout__line::after { content: ""; position: absolute; right: -3px; top: -3px; width: 7px; height: 7px; border-radius: 50%; border: 1px solid var(--accent); background: var(--ink-0); }
.callout .k { display: block; font-family: var(--font-display); font-size: var(--fs-kicker); letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.35em; }
.callout .v { display: block; font-size: 0.98rem; color: var(--text-on-ink-muted); max-width: 26em; transition: color var(--dur-fast); }
.callout:hover .v { color: var(--text-on-ink); }

/* ---------- Products: shorter copy, frames that rise into place ---------- */
.products-intro .lead { max-width: 28em; }
.product__grid { perspective: 1400px; }
.frame-rise { position: relative; transform-origin: 50% 100%; will-change: transform; }
.demo { position: relative; }
.demo__light {
  position: absolute; inset: 0; z-index: 5; pointer-events: none; border-radius: inherit; opacity: 0; --lx: 50%; --ly: 50%;
  background: radial-gradient(360px 280px at var(--lx) var(--ly), rgba(255,255,255,0.06), transparent 65%);
  transition: opacity var(--dur-base);
}
.demo:hover .demo__light { opacity: 1; }
.product__copy .body { font-size: 1rem; }

/* ---------- Approach: four phases along a line that draws with scroll ---------- */
.approach .phases { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2.4rem; padding-top: 2.8rem; border-top: 0; }
.approach .phase { position: relative; border: 0; padding: 0 1.5rem 0 0; }
.approach .phase + .phase { padding-left: 0; }
.phases__line { position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--ink-line); display: block; }
.phases__line b { display: block; height: 100%; background: var(--accent); transform-origin: left center; transform: scaleX(0); }
html:not(.js) .phases__line b { transform: none; }
.phase__node {
  position: absolute; left: 0; top: -6px; width: 11px; height: 11px; border-radius: 50%;
  border: 1px solid var(--ink-line-strong); background: var(--ink-0);
  transition: background var(--dur-base), border-color var(--dur-base), box-shadow var(--dur-base), transform var(--dur-fast) var(--ease-out);
}
.phase.is-lit .phase__node, html:not(.js) .phase__node { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.phase:hover .phase__node { transform: scale(1.45); }
.approach .phase .numeral { font-size: 2.4rem; margin-bottom: 1.2rem; transition: color var(--dur-base); }
.phase.is-lit .numeral, html:not(.js) .phase .numeral { color: var(--accent); }
.approach .phase .statement { font-size: 1rem; letter-spacing: 0.12em; margin-bottom: 0.7rem; }
.approach .phase .body { font-size: 0.95rem; }
.approach .phase .mono { color: var(--text-on-ink-faint); display: block; margin-top: 1rem; }

/* ---------- Quote and principles ---------- */
.principle { position: relative; padding-top: 1.4rem; }
.principle::before { content: ""; position: absolute; left: 0; top: 0; width: 2.4rem; height: 1px; background: var(--accent); transform-origin: left center; transition: width 0.9s var(--ease-out); }
.principle:hover::before { width: 100%; }
.principle .body { font-size: 0.98rem; }

/* ---------- Contact ---------- */
.contact { min-height: 80svh; }
.contact .body { font-size: 1rem; }
.form { position: relative; }

/* ---------- Responsive ---------- */
@media (max-width: 1300px) {
  .art__swatches { display: none; }
}
@media (max-width: 1200px) {
  .art__stage { width: min(50vw, 640px); right: 4vw; }
  .peak--artefact .peak__panel { max-width: 26rem; }
}
@media (max-width: 1024px) {
  .art__stage { width: 46vw; transform: translateY(-58%); }
  .peak--artefact .peak__panel { max-width: 24rem; }
  .peak--artefact .peak__panel .statement { font-size: clamp(1.4rem, 1rem + 1.8vw, 2.4rem); }
  .approach .phases { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.4rem 2rem; }
}
@media (max-width: 860px) {
  .studio__torch { display: none; }
  .thesis__grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .approach .phases { grid-template-columns: 1fr; }
  .phases__line { display: none; }
  .phase__node { display: none; }
  .frame-rise { transform: none !important; opacity: 1 !important; }
  /* The finished object shows statically on phones, between the wordmark and the verticals */
  .peak--artefact .peak__sticky { display: flex; flex-direction: column; }
  .peak--artefact .peak__intro { order: 1; min-height: 70svh; }
  .peak--artefact .art { display: block; order: 2; position: relative; inset: auto; overflow: visible; padding: 0 var(--gutter) 1rem; }
  .peak--artefact .art__grid { display: none; }
  .peak--artefact .art__stage { position: relative; right: auto; top: auto; transform: none; width: 100%; margin: 0 auto; }
  .peak--artefact .art__readout, .peak--artefact .art__ring, .peak--artefact .art__dims, .peak--artefact .art__swatches, .peak--artefact .art__scan { display: none; }
  .peak--artefact .art__glass, .peak--artefact .art__shadow { opacity: 1; }
  .peak--artefact .peak__verticals { order: 3; }
}

/* ---------- Motion off, or no script: wordmark, then the finished object, then the verticals ---------- */
html:not(.js) .peak--artefact .peak__sticky { display: flex; flex-direction: column; }
html:not(.js) .peak--artefact .peak__intro { order: 1; min-height: 80svh; }
html:not(.js) .peak--artefact .art { order: 2; display: block; position: relative; inset: auto; overflow: visible; padding: 0 var(--gutter) 9rem; }
html:not(.js) .peak--artefact .art__grid { display: none; }
html:not(.js) .peak--artefact .art__stage { position: relative; right: auto; top: auto; transform: none; width: min(80vw, 820px); margin: 0 auto; }
html:not(.js) .peak--artefact .art__readout { left: 0; bottom: -22%; }
html:not(.js) .peak--artefact .art__dims, html:not(.js) .peak--artefact .art__swatches, html:not(.js) .peak--artefact .art__scan { display: none; }
html:not(.js) .peak--artefact .peak__verticals { order: 3; }
html:not(.js) .peak--artefact .art:not(.is-built) { display: none; }