/* AWARE AI page-specific styles
 * Homepage and non-Questions page layouts. Questions UI lives in questions.css.
 */
.home-pillars, .engagement-teaser, .compare-cards, .contact-grid, .why-aware-grid, .engagement-models { display: grid; gap: 18px; }
.home-pillars { grid-template-columns: repeat(3, minmax(0,1fr)); }
.engagement-teaser, .compare-cards, .contact-grid, .engagement-models { grid-template-columns: repeat(2, minmax(0,1fr)); }
.why-aware-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.home-pillars article { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.home-pillars article > span { display: inline-block; margin-bottom: 12px; color: var(--accent-strong); font-weight: 820; font-size: 14px; letter-spacing: .07em; }
.home-pillars p { margin-bottom: 0; }




@media (max-width: 980px) {
  .home-pillars, .engagement-teaser, .compare-cards, .contact-grid, .why-aware-grid, .engagement-models { grid-template-columns: 1fr; }
}




@media (max-width: 640px) {
  .home-pillars article { padding: 20px; }
}




/* P01/P02 homepage additions. */
.home-hero { padding: 70px 0 80px; }
.hero-grid { display: grid; grid-template-columns: 1.12fr 1fr; gap: 44px; align-items: center; }
.hero-grid figure { margin: 0; }
.hero-grid p { max-width: 650px; }
.hero-grid .lede { font-size: 22px; }
.home-section { padding: 70px 0; border-top: 1px solid var(--line); }
.home-section:nth-child(even) { background: var(--bg-soft); }
.role-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin-top: 32px; }
.role-card { text-decoration: none; display: flex; flex-direction: column; align-items: start; padding: 28px; border: 1px solid var(--line); background: var(--surface); border-radius: 16px; }
.role-card:hover { border-color: var(--accent); }
.role-card > span { font-size: 14px; color: var(--accent-strong); margin-bottom: 12px; }
.role-card h3 { font-size: 22px; }
.role-card p { font-size: 17px; }
.role-card > strong { font-size: 15px; color: var(--accent-strong); margin-top: auto; }
.home-summary { display: flex; gap: 32px; align-items: center; justify-content: space-between; }
.home-summary > div { max-width: 830px; }
.home-summary > a { flex-shrink: 0; }




@media (max-width: 760px) {
  .hero-grid, .role-grid { grid-template-columns: 1fr; }
  .home-hero, .home-section { padding: 44px 0; }
  .hero-grid { gap: 32px; }
  .hero-grid h1 br { display: none; }
  .home-summary { display: block; }
  .home-summary > a { margin-top: 16px; }
}




/* 2026-09-16: Stage-neutral Hero + Brochure Situation Entry. */
.hero-grid--stage-neutral { grid-template-columns: minmax(0, 980px); gap: 0; align-items: start; }
.hero-grid--stage-neutral > div { max-width: 980px; }
.hero-grid--stage-neutral .lede { max-width: 760px; color: var(--muted); }




.situation-section { padding: 64px 0 80px; border-top: 1px solid var(--line); background: var(--bg); scroll-margin-top: var(--header-h); }
.situation-section h2 { max-width: 920px; }
.situation-intro { max-width: 780px; color: var(--muted); }
.situation-desktop { display: grid; grid-template-columns: minmax(290px, .72fr) minmax(0, 1.28fr); gap: 42px; align-items: start; margin-top: 34px; }
.situation-tabs { display: grid; gap: 12px; position: sticky; top: calc(var(--header-h) + 24px); }
.situation-tab { width: 100%; text-align: left; display: grid; gap: 8px; padding: 20px 21px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); cursor: pointer; transition: border-color .16s ease, background .16s ease, transform .16s ease; }
.situation-tab:hover, .situation-tab:focus-visible { border-color: var(--accent); outline: none; }
.situation-tab[aria-selected="true"] { border-color: var(--accent); background: linear-gradient(145deg, var(--accent-soft), var(--surface)); transform: translateX(4px); }
.situation-tab .situation-state { color: var(--accent-strong); font-size: 14px; font-weight: 800; }
.situation-tab strong { color: var(--ink); font-size: 17px; line-height: 1.35; letter-spacing: .015em; }
.situation-tab > span:last-child { color: var(--muted); font-size: 15px; line-height: 1.55; }
.situation-previews { max-width: 700px; }
.situation-tabs[hidden] + .situation-previews { grid-column: 1 / -1; }
.situation-tabs[hidden] + .situation-previews > [data-situation-panel] + [data-situation-panel] { margin-top: 28px; }
.situation-visual { margin: 0; }
.situation-visual > a { display: block; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow); }
.situation-visual img { width: 100%; height: auto; border-radius: 10px; }
.situation-visual figcaption { display: flex; justify-content: space-between; gap: 18px; align-items: baseline; margin-top: 12px; color: var(--muted); font-size: 14px; }
.situation-visual figcaption span { color: var(--ink); font-weight: 720; }
.situation-visual figcaption a, .situation-original-link { color: var(--accent-strong); text-decoration: none; font-weight: 720; }
.situation-visual figcaption a:hover, .situation-original-link:hover { text-decoration: underline; }
.situation-mobile { display: none; }




/* Preserve the pre-existing alternating Home section backgrounds after inserting Situation Entry. */
main > .home-section:nth-child(even) { background: var(--bg); }
main > .home-section:nth-child(odd) { background: var(--bg-soft); }




@media (max-width: 980px) {
  .situation-desktop { grid-template-columns: minmax(250px, .72fr) minmax(0, 1.28fr); gap: 28px; }
  .situation-tab { padding: 18px; }
}




@media (max-width: 760px) {
  .hero-grid--stage-neutral { grid-template-columns: 1fr; }
  .hero-grid--stage-neutral h1 br { display: none; }
  .situation-section { padding: 44px 0 56px; }
  .situation-desktop { display: none; }
  .situation-mobile { display: grid; gap: 12px; margin-top: 28px; }
  .situation-mobile details { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); overflow: hidden; }
  .situation-mobile summary { display: grid; gap: 4px; padding: 18px 20px; cursor: pointer; list-style: none; }
  .situation-mobile summary::-webkit-details-marker { display: none; }
  .situation-mobile summary::after { content: "+"; grid-column: 2; grid-row: 1 / span 2; align-self: center; justify-self: end; color: var(--accent-strong); font-size: 24px; line-height: 1; }
  .situation-mobile details[open] summary::after { content: "−"; }
  .situation-mobile summary span { color: var(--accent-strong); font-size: 13px; font-weight: 800; }
  .situation-mobile summary strong { color: var(--ink); font-size: 15px; line-height: 1.35; padding-right: 34px; }
  .situation-mobile details > p { margin: 0; padding: 0 20px 16px; color: var(--muted); font-size: 15px; }
  .situation-mobile-visual { display: block; margin: 0 14px; padding: 8px; border: 1px solid var(--line); border-radius: 13px; background: var(--bg); }
  .situation-mobile-visual img { width: 100%; height: auto; border-radius: 8px; }
  .situation-original-link { display: inline-block; margin: 12px 20px 18px; font-size: 14px; }
}




/* 2026-09-19: Pre-Hero Gate + Focus-first Interactive Narrative Stage. */
.prehero-gate {
  min-height: clamp(500px, 68vh, 760px);
  display: grid;
  align-items: center;
  padding: 96px 0 88px;
  background: var(--bg);
}
.prehero-inner { max-width: var(--shell); }
.prehero-label {
  margin: 0 0 30px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 820;
  letter-spacing: .16em;
}
.prehero-question {
  max-width: 900px;
  margin-bottom: 28px;
  color: var(--ink);
  font-size: clamp(26px, 3vw, 43px);
  line-height: 1.48;
  letter-spacing: -.025em;
  word-break: keep-all;
}
.prehero-answer {
  max-width: 820px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.8;
}
.flow-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent-strong);
  font-size: 15px;
  font-weight: 760;
  text-decoration: none;
  text-underline-offset: 4px;
}
.flow-link:hover { text-decoration: underline; }
.flow-link:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 5px; border-radius: 6px; }




.home-hero {
  min-height: clamp(540px, 70vh, 820px);
  display: grid;
  align-items: center;
  padding: 104px 0 96px;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  scroll-margin-top: var(--header-h);
}
#home { scroll-margin-top: calc(var(--header-h) + 24px); }
.hero-grid--task-first { grid-template-columns: minmax(0, 980px); gap: 0; align-items: start; }
.hero-grid--task-first > div { max-width: 980px; }
.hero-grid--task-first h1 { max-width: 900px; margin-bottom: 28px; }
.hero-question {
  max-width: 820px;
  margin-bottom: 34px;
  color: #d7dee7;
  font-size: clamp(22px, 2.35vw, 34px);
  line-height: 1.55;
  letter-spacing: -.02em;
  word-break: keep-all;
}
.hero-assumptions { display: grid; gap: 4px; margin: 0 0 34px; }
.hero-assumptions p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 1.65vw, 24px);
  line-height: 1.55;
}
.hero-closing {
  max-width: 850px;
  margin-bottom: 34px;
  color: var(--ink);
  font-size: clamp(20px, 2vw, 29px);
  line-height: 1.6;
  font-weight: 720;
}




.narrative-stage {
  padding: 86px 0 96px;
  border-top: 1px solid var(--line);
  background: var(--bg);
  scroll-margin-top: var(--header-h);
}
.narrative-shell { max-width: var(--shell); }
.stage-topline {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 54px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.stage-progress { color: var(--accent-strong); font-size: 16px; font-weight: 820; letter-spacing: .11em; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.stage-mode { color: var(--muted-2); font-size: 12px; font-weight: 720; letter-spacing: .12em; }
.stage-viewport { min-height: 0; }
.stage-topline[hidden] + .stage-viewport .stage-chapter + .stage-chapter {
  margin-top: 72px;
  padding-top: 72px;
  border-top: 1px solid var(--line);
}
.stage-chapter { max-width: 940px; }
.stage-kicker {
  margin-bottom: 18px;
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 820;
  letter-spacing: .12em;
}
.stage-chapter h2 { max-width: 900px; margin-bottom: 38px; }
.stage-support { max-width: 820px; margin: 34px 0 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.stage-primary { max-width: 850px; margin: 38px 0 0; color: var(--ink); font-size: clamp(22px, 2.3vw, 31px); line-height: 1.55; font-weight: 760; }




.selection-lines { display: grid; gap: 10px; margin: 6px 0 0; }
.selection-lines p {
  margin: 0;
  color: #dfe6ee;
  font-size: clamp(27px, 3.5vw, 48px);
  line-height: 1.38;
  letter-spacing: -.03em;
  font-weight: 680;
}
.selection-lines p:nth-child(2) { color: #c3ceda; }
.selection-lines p:nth-child(3) { color: #a9b6c5; }




.decision-rail { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.decision-rail li {
  display: grid;
  grid-template-columns: minmax(190px, .34fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.decision-rail strong { color: var(--ink); font-size: 16px; line-height: 1.55; }
.decision-rail span { color: var(--muted); font-size: 15.5px; line-height: 1.72; }




.example-lede { max-width: 850px; color: #c7d0db; font-size: 18px; line-height: 1.8; }
.example-actions { margin: 30px 0 38px; padding: 0; list-style: none; display: grid; gap: 10px; }
.example-actions li { position: relative; padding-left: 24px; color: var(--ink); font-size: 18px; font-weight: 680; }
.example-actions li::before { content: "→"; position: absolute; left: 0; color: var(--accent-strong); }
.criteria-correlation { margin: 0; border-top: 1px solid var(--line); }
.criteria-correlation > div {
  display: grid;
  grid-template-columns: minmax(180px, .30fr) minmax(0, 1fr);
  gap: 24px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.criteria-correlation dt { color: var(--accent-strong); font-weight: 780; }
.criteria-correlation dd { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.human-boundary {
  max-width: 880px;
  margin: 34px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 15.5px;
}
.human-boundary strong { color: var(--ink); }




.structure-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.structure-compare > article {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}
.structure-compare h3 { font-size: 23px; margin-bottom: 14px; }
.structure-compare p { font-size: 15.5px; line-height: 1.72; }
.compare-label { margin-bottom: 10px !important; color: var(--accent-strong) !important; font-size: 12px !important; font-weight: 820; letter-spacing: .12em; text-transform: uppercase; }
.relation-line {
  margin: 22px 0 0 !important;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #dbe4ee !important;
  font-size: 14px !important;
  font-weight: 720;
  line-height: 1.75 !important;
}
.relation-questions { margin: 28px 0 0; padding-left: 20px; color: var(--muted); font-size: 15.5px; }
.relation-questions li + li { margin-top: 7px; }




.stage-controls {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 58px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.stage-button {
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 780;
}
.stage-button--previous { background: transparent; color: var(--muted); border: 1px solid var(--line-strong); }
.stage-button--next { margin-left: auto; background: var(--accent); color: #03101d; }
.stage-button:hover:not(:disabled) { border-color: var(--accent); }
.stage-button--next:hover:not(:disabled) { background: var(--accent-strong); }
.stage-button:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 4px; }
.stage-button:disabled { opacity: .38; cursor: not-allowed; }




/* Situation A/B/C remains the existing customer-state navigation after the narrative stage. */
.situation-section { background: var(--bg-soft); }




.home-questions-entry { background: var(--bg); }
.compact-entry { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.compact-entry > div { max-width: 760px; }
.compact-entry h2 { margin-bottom: 12px; }
.compact-entry p:last-child { margin-bottom: 0; }
.compact-entry > a { flex: 0 0 auto; }




.home-pathways { background: var(--bg-soft); }
.home-nav-list { margin-top: 28px; border-top: 1px solid var(--line); }
.home-nav-list a {
  display: grid;
  grid-template-columns: minmax(150px, .28fr) minmax(0, 1fr);
  gap: 28px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.home-nav-list span { color: var(--accent-strong); font-size: 14px; font-weight: 780; }
.home-nav-list strong { color: var(--ink); font-size: 17px; font-weight: 680; }
.home-nav-list a:hover strong, .home-nav-list a:focus-visible strong { color: var(--accent-strong); }
.home-nav-list a:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 4px; border-radius: 5px; }




.home-final-cta { background: var(--bg); }
.final-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.final-cta-inner > div { max-width: 780px; }
.final-cta-inner h2 { margin-bottom: 10px; }
.final-cta-inner p:last-child { margin-bottom: 0; }
.final-cta-inner > a { flex: 0 0 auto; }




/* New flow controls background explicitly; do not alternate Home sections by DOM position. */
main > .home-section.home-questions-entry { background: var(--bg); }
main > .home-section.home-pathways { background: var(--bg-soft); }
main > .home-section.home-final-cta { background: var(--bg); }




@media (max-width: 780px) {
  .prehero-gate { min-height: 0; padding: 74px 0 68px; }
  .prehero-question br, .prehero-answer br, .hero-question br, .hero-closing br { display: none; }
  .home-hero { min-height: 0; padding: 78px 0 72px; }
  .narrative-stage { padding: 68px 0 76px; }
  .stage-topline { margin-bottom: 38px; }
  .stage-mode { display: none; }
  .stage-chapter h2 { margin-bottom: 30px; }
  .decision-rail li, .criteria-correlation > div { grid-template-columns: 1fr; gap: 7px; }
  .structure-compare { grid-template-columns: 1fr; }
  .stage-controls { align-items: stretch; flex-direction: column-reverse; }
  .stage-button { width: 100%; }
  .stage-button--next { margin-left: 0; }
  .compact-entry, .final-cta-inner { align-items: flex-start; flex-direction: column; gap: 26px; }
  .compact-entry > a, .final-cta-inner > a { width: 100%; }
  .home-nav-list a { grid-template-columns: 1fr; gap: 5px; }
}

/* Home-only, progressive-enhancement accordion. Other pages and Situation remain untouched. */
.home-flow-ready .prehero-gate.is-collapsed,
.home-flow-ready .home-hero.is-collapsed {
  display: block;
  min-height: 0;
  padding: 0;
}
.home-flow-ready .flow-header {
  display: block;
  min-height: 54px;
  padding: 13px 0;
  border: 0;
  background: transparent;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 820;
  letter-spacing: .09em;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  overflow-wrap: anywhere;
}
.home-flow-ready .flow-header:hover { color: var(--ink); }
.home-flow-ready .flow-header:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: -3px; }
.home-flow-ready .prehero-gate.is-collapsed .flow-header,
.home-flow-ready .home-hero.is-collapsed .flow-header { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.home-flow-ready .narrative-stage { padding: 0; }
.home-flow-ready .narrative-stage .narrative-flow-panel { border-top: 1px solid var(--line); }
.home-flow-ready .narrative-flow-panel.is-collapsed { padding: 0; min-height: 0; }
.home-flow-ready .narrative-flow-panel > .flow-header { width: 100%; }
.home-flow-ready .narrative-flow-panel:not(.is-collapsed) > .flow-content { padding: 86px 0 96px; }
.home-flow-ready .narrative-stage .narrative-flow-panel + .narrative-flow-panel { margin: 0; }
.home-flow-ready .narrative-stage .stage-viewport { min-height: 0; }
.home-flow-ready .narrative-stage .stage-topline { margin-bottom: 54px; }
.home-flow-ready .narrative-flow-panel > .flow-content > .stage-controls { margin-top: 58px; }
.home-flow-ready .stage-chapter { max-width: 940px; }
/* With JS off (or failed) all chapter bodies stay in DOM order and visible. */
.narrative-shell:not(.flow-initialized) > .stage-viewport > .narrative-flow-panel + .narrative-flow-panel {
  margin-top: 72px;
  padding-top: 72px;
  border-top: 1px solid var(--line);
}
.home-flow-ready .prehero-gate,
.home-flow-ready .home-hero,
.home-flow-ready .narrative-stage { overflow-anchor: none; }
@media (max-width: 780px) {
  .home-flow-ready .prehero-gate.is-collapsed .flow-header,
  .home-flow-ready .home-hero.is-collapsed .flow-header { width: min(calc(100% - 28px), var(--shell)); }
  .home-flow-ready .narrative-flow-panel:not(.is-collapsed) > .flow-content { padding: 68px 0 76px; }
  .home-flow-ready .flow-header { min-height: 50px; padding-block: 10px; font-size: 12px; letter-spacing: .06em; }
  .home-flow-ready .narrative-stage .stage-topline { margin-bottom: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  .home-flow-ready .prehero-gate,
  .home-flow-ready .home-hero,
  .home-flow-ready .narrative-stage,
  .home-flow-ready .flow-header { animation: none; transition: none; }
}