:root {
  --app-width: 430px;
  --app-header: 62px;
  --app-nav: 90px;
}

html { scroll-behavior: auto !important; background: #dfe4eb; }
body {
  width: 100%;
  max-width: var(--app-width);
  height: 100vh;
  height: 100dvh;
  margin: 0 auto;
  overflow: hidden;
  background: #f7f8fa;
  box-shadow: 0 0 70px rgba(25,35,49,.18);
}
main { position: fixed; inset: 0; min-height: 0; padding: calc(var(--app-header) + env(safe-area-inset-top)) 0 calc(var(--app-nav) + 24px + env(safe-area-inset-bottom)); overflow: hidden; }
[data-app-page] { display: none !important; }
[data-screen-key].is-current-screen { display: flex !important; }

.app-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 50%;
  display: grid;
  min-height: var(--app-header);
  grid-template-columns: 78px 1fr 78px;
  align-items: center;
  padding: env(safe-area-inset-top) 14px 0;
  width: 100%;
  max-width: var(--app-width);
  border-bottom: 1px solid rgba(34,48,68,.1);
  background: rgba(247,248,250,.93);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
}
.app-header .wordmark { justify-self: center; font-size: 14px; }
.app-header .wordmark__seal { width: 28px; height: 28px; font-size: 11px; }
.app-back {
  min-height: 44px;
  border: 0;
  background: transparent;
  color: #385d95;
  cursor: pointer;
  font-size: 14px;
}
.app-back { display: flex; align-items: center; gap: 3px; padding: 0; text-align: left; }
.app-back span { font-size: 30px; font-weight: 300; line-height: 1; }
.app-back.is-hidden { visibility: hidden; }
.app-page-count { justify-self: end; min-width: 58px; color: #8490a0; font-size: 10px; font-variant-numeric: tabular-nums; text-align: right; }

.bottom-nav {
  position: fixed;
  z-index: 90;
  right: 10px;
  bottom: max(9px, env(safe-area-inset-bottom));
  left: 10px;
  display: grid;
  height: 67px;
  grid-template-columns: repeat(5,1fr);
  padding: 6px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.76);
  border-radius: 22px;
  background: rgba(250,252,255,.9);
  box-shadow: 0 16px 42px rgba(25,38,57,.2), inset 0 1px 0 rgba(255,255,255,.82);
  backdrop-filter: blur(24px) saturate(145%);
}
.bottom-nav a { position: relative; display: grid; min-width: 0; place-content: center; justify-items: center; gap: 3px; border-radius: 17px; color: #778293; font-size: 9px; font-weight: 500; transition: color .16s ease, background .16s ease, transform .16s ease; }
.bottom-nav a:active { transform: scale(.95); }
.bottom-nav i { display: grid; width: 26px; height: 26px; place-items: center; font-style: normal; }
.bottom-nav svg { width: 22px; height: 22px; overflow: visible; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.bottom-nav a.is-active { background: linear-gradient(145deg,#527db8,#385d95); color: #fff; font-weight: 650; box-shadow: 0 8px 17px rgba(56,93,149,.28); }
.bottom-nav a.is-active::before { position: absolute; top: 5px; width: 16px; height: 2px; border-radius: 999px; background: rgba(255,255,255,.72); content: ""; }

.page-tabs {
  position: sticky;
  z-index: 82;
  top: var(--app-header);
  display: none !important;
  gap: 8px;
  overflow-x: auto;
  padding: 9px 14px 10px;
  border-bottom: 1px solid rgba(38,51,70,.08);
  background: rgba(247,248,250,.95);
  scrollbar-width: none;
  backdrop-filter: blur(16px);
}
body[data-route="effect"] .page-tabs[data-app-page="effect"],
body[data-route="process"] .page-tabs[data-app-page="process"],
body[data-route="questions"] .page-tabs[data-app-page="questions"],
body[data-route="future"] .page-tabs[data-app-page="future"] { display: flex !important; }
.page-tabs::-webkit-scrollbar { display: none; }
.page-tabs a { min-height: 34px; flex: 0 0 auto; padding: 8px 13px; border: 1px solid rgba(56,93,149,.14); border-radius: 999px; background: #fff; color: #53647a; font-size: 11px; font-weight: 500; box-shadow: 0 4px 12px rgba(42,58,80,.04); }

.section-shell { width: 100%; padding-right: 20px; padding-left: 20px; }
.app-screen {
  height: 100%;
  min-height: 0;
  flex-direction: column;
  gap: 0;
  padding: 14px 20px 8px;
  overflow: hidden;
}
.screen-content { display: flex; min-height: 0; flex: 1; overflow: hidden; }
.screen-step { display: none; min-width: 0; min-height: 0; flex: 1; flex-direction: column; overflow: hidden; }
.screen-step.is-active { display: flex; }
.screen-step > * { min-height: 0; flex-shrink: 1; }
.screen-pagination { display: grid; min-height: 56px; grid-template-columns: 84px 1fr 102px; gap: 12px; align-items: center; padding: 7px 0 0; }
.screen-pagination button { min-height: 42px; border: 1px solid rgba(56,93,149,.16); border-radius: 14px; background: rgba(255,255,255,.84); color: #53647a; font-size: 12px; font-weight: 550; }
.screen-pagination button:disabled { opacity: .34; }
.screen-pagination .screen-page-next { border-color: #385d95; background: #385d95; color: #fff; box-shadow: 0 7px 17px rgba(56,93,149,.23); }
.screen-pagination button span { font-size: 10px; }
.screen-page-track { height: 3px; overflow: hidden; border-radius: 999px; background: #e4e9ef; }
.screen-page-track i { display: block; width: 28%; height: 100%; border-radius: inherit; background: #6f91bd; }
.screen-actions[hidden] { display: none !important; }
.paged-collection > [hidden] { display: none !important; }
.screen-step > .section-heading { margin-bottom: 12px; }
.screen-step > .section-heading h2 { font-size: 26px; line-height: 1.35; }
.screen-step > .section-heading > p:last-child { margin-top: 10px; font-size: 13px; line-height: 1.65; }
.screen-step > .cinematic-image { display: flex; flex: 1; flex-direction: column; margin: 0; }
.screen-step > .cinematic-image img { height: auto; min-height: 0; flex: 1; }
.screen-step > .meaning-heading { display: block; margin: 0; }
.screen-step > .meaning-heading h2 { font-size: 29px; line-height: 1.42; }
.screen-step > .meaning-heading > p { margin-top: 16px; font-size: 13px; line-height: 1.72; }
.screen-step > .meaning-layers { display: block; min-height: 0; flex: 1; overflow: hidden; }
.screen-step > .meaning-conclusion { display: block; margin: 0; padding: 18px; }
.screen-step > .meaning-conclusion div { margin-bottom: 13px; }
.screen-step > .meaning-conclusion > p { margin: 13px 0; font-size: 17px; }
.screen-step > .meaning-conclusion > a { min-height: 46px; font-size: 12px; }
.screen-step > .app-launcher__label { margin: 0 0 10px; }
.screen-step > a.app-launcher__card { min-height: 160px; flex: 1; }
.screen-step > a.app-launcher__card span { font-size: 26px; }
.screen-step > .demo-console { flex: 1; overflow: hidden; }
.screen-step > .demo-console .avatar-placeholder { min-height: 0; height: min(27vh,220px); }
.screen-step > .demo-console .demo-profile { padding-bottom: 10px; }
.screen-step > .demo-console .demo-menu { margin-top: 9px; }
.screen-step > .demo-console .demo-security { display: none; }
.screen-step > .demo-console .demo-view { padding: 12px; }
.screen-step > .demo-console .conversation-layout { gap: 10px; }
.screen-step > .demo-console .conversation-copy h3 { margin-bottom: 10px; font-size: 18px; }
.screen-step > .demo-console .demo-answer { padding: 13px; }
.screen-step > .demo-console .demo-answer p { font-size: 12px; line-height: 1.65; }
.screen-step > .demo-console .demo-prompts { gap: 5px; margin-top: 9px; }
.screen-step > .demo-console .demo-prompts button { padding: 6px 8px; font-size: 9px; }
.screen-step > .immersive-demo { min-height: 0; flex: 1; grid-template-rows: auto minmax(180px,1fr); }
.screen-step > .immersive-demo .ar-device-card { padding: 12px 16px; }
.screen-step > .immersive-demo .ar-glasses { height: 42px; margin-bottom: 4px; transform: scale(.56); transform-origin: left top; }
.screen-step > .immersive-demo .ar-device-card h3 { margin-bottom: 4px; font-size: 17px; }
.screen-step > .immersive-demo .device-status { margin: 3px 0 8px; }
.screen-step > .immersive-demo .button { min-height: 38px; font-size: 11px; }
.screen-step > .immersive-demo .scene-stage { min-height: 0; }
.screen-step > .boundary-note { display: none; }
.screen-step > .future-hero { padding-bottom: 12px; }
.screen-step > .future-hero h2 { font-size: 27px; line-height: 1.37; }
.screen-step > .future-hero > p:last-of-type { margin-top: 10px; font-size: 12px; line-height: 1.65; }
.screen-step > .future-hero .future-legend { margin-top: 12px; }
.screen-step > .route-map { display: block; min-height: 0; flex: 1; overflow: hidden; }
.screen-step > .continuity-card { display: flex; flex: 1; flex-direction: column; justify-content: center; margin: 0; }
.screen-step > .future-action, .screen-step > .route-sources { display: none; }
.screen-step > .faq-tools { margin-bottom: 10px; }
.screen-step > .faq-tools .faq-filters { max-height: 48px; flex-wrap: nowrap; overflow-x: auto; }
.screen-step > .faq-list { min-height: 0; flex: 1; overflow: hidden; }
.screen-step > .faq-list details { overflow: hidden; }
.screen-step > .faq-list details:not([open]) { display: none; }
.screen-step > .permission-workbench { min-height: 0; flex: 1; }
.screen-step > .permission-scenarios, .screen-step > .trust-grid, .screen-step > .cooperation-grid { display: block; min-height: 0; flex: 1; overflow: hidden; }
.screen-step > .question-bank { display: block; min-height: 0; flex: 1; overflow: hidden; }
.screen-step > .interview-overview { min-height: 0; }
.screen-step > .interview-method { display: none; }
.screen-step > .question-bank-controls { margin: 0 0 8px; }
.screen-step > .question-bank-controls p { display: none; }
.screen-step > .phase-list { display: block; min-height: 0; flex: 1; overflow: hidden; }
.screen-step > .process-overview { grid-template-columns: 1fr; gap: 7px; }
.screen-step > .process-overview article { padding: 10px 12px; }
.screen-step > .process-overview h3 { margin: 4px 0; font-size: 16px; }
.screen-step > .process-overview p { font-size: 11px; }
.screen-step > .detail-drawer[open] { min-height: 0; flex: 1; }
.screen-step > .detail-drawer .phase-list { overflow: hidden; }
.screen-step > .cooperation-grid .cooperation-card { padding: 18px; }
.screen-step > .cooperation-grid .cooperation-card h3 { margin: 10px 0; font-size: 19px; }
.screen-step > .cooperation-grid .cooperation-card li { font-size: 12px; line-height: 1.6; }
.screen-step > .deliverable-strip { min-height: 0; flex: 1; grid-template-columns: 1fr; }
.screen-step > .quote-section { display: none; }
.screen-step > figure.future-image { display: flex; min-height: 0; flex: 1; flex-direction: column; margin: 0; }
.screen-step > figure.future-image img { min-height: 0; flex: 1; }
.screen-step > .continuity-screen__content { min-height: 0; flex: 1; }
.screen-step > .continuity-screen__content h2 { font-size: 29px; line-height: 1.45; }
.screen-step > .continuity-screen__content > p { font-size: 13px; line-height: 1.75; }
.screen-step > .continuity-screen__content .future-image { display: none; }
.screen-step > .continuity-screen__content .route-sources { display: block; }
.hero { min-height: auto; }
.hero__content { padding: 48px 0 54px; }
.hero h1 { font-size: 42px; line-height: 1.35; }
.hero__lead { margin: 23px auto; font-size: 15px; line-height: 1.9; }
.hero__actions { flex-direction: column; }
.button { width: 100%; }
.hero__note { line-height: 1.8; }

.meaning { padding-top: 64px; padding-bottom: 70px; }
.meaning-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 34px; }
.meaning-heading h2 { font-size: 32px; line-height: 1.5; }
.meaning-heading > p { font-size: 15px; line-height: 1.9; }
.meaning-layers { grid-template-columns: 1fr; gap: 12px; }
.meaning-layers::before { display: none; }
.meaning-layer { min-height: 0; padding: 22px 20px 24px; }
.meaning-layer__top b { width: 42px; height: 42px; }
.meaning-layer__top span { font-size: 11px; }
.meaning-layer__icon { margin: 26px 0 21px; }
.meaning-layer h3 { min-height: 0; font-size: 22px; }
.meaning-layer p { padding-bottom: 22px; font-size: 15px; }
.meaning-layer small { position: static; display: block; padding-top: 15px; font-size: 11px; }
.meaning-conclusion { grid-template-columns: 1fr; gap: 20px; margin-top: 14px; padding: 24px 20px; }
.meaning-conclusion > p, .meaning-conclusion > a { grid-column: auto; }
.meaning-conclusion > p { font-size: 19px; }
.meaning-conclusion > a { width: 100%; min-height: 56px; justify-content: space-between; font-size: 14px; white-space: normal; }

.app-launcher { padding-top: 24px; padding-bottom: 76px; background: #eef2f7; }
.app-launcher__label { margin: 0 0 13px; color: #727c89; font-size: 11px; font-weight: 600; letter-spacing: .13em; }
.app-launcher__card {
  position: relative;
  display: grid;
  min-height: 132px;
  grid-template-columns: 46px 1fr 24px;
  gap: 14px;
  align-items: center;
  margin-bottom: 12px;
  overflow: hidden;
  padding: 21px 18px;
  border: 1px solid rgba(42,57,77,.1);
  border-radius: 22px;
  background: #fff;
  color: #1e2939;
  box-shadow: 0 12px 30px rgba(43,58,80,.07);
}
.app-launcher__card::after { position: absolute; top: -42px; right: -44px; width: 130px; height: 130px; border-radius: 50%; background: var(--card-glow,#dce8f7); content: ""; opacity: .62; }
.app-launcher__card--process { --card-glow:#e9dfcb; }
.app-launcher__card--questions { --card-glow:#dce9e2; }
.app-launcher__card--future { --card-glow:#ddd9ef; }
.app-launcher__card > b { display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid #aac0dc; border-radius: 14px; color: #385d95; font-size: 11px; }
.app-launcher__card span { position: relative; z-index: 1; display: block; font-family: var(--serif); font-size: 23px; font-weight: 600; }
.app-launcher__card small, .app-launcher__card strong { display: block; font-family: var(--sans); }
.app-launcher__card small { margin-bottom: 5px; color: #78818d; font-size: 10px; font-weight: 500; letter-spacing: .08em; }
.app-launcher__card strong { margin-top: 8px; color: #69727e; font-size: 11px; font-weight: 400; line-height: 1.6; }
.app-launcher__card > i { position: relative; z-index: 1; color: #526d91; font-size: 21px; font-style: normal; }

.section-heading { margin-bottom: 38px; }
.section-heading h2, .contact h2 { font-size: 32px; line-height: 1.5; }
.chapter-label { display: grid; grid-template-columns: auto 1fr; gap: 7px 11px; margin-bottom: 18px; }
.chapter-label b { grid-row: 1 / span 2; min-width: 48px; height: 48px; padding: 0 8px; border-radius: 14px; font-size: 12px; }
.chapter-label span { font-size: 19px; line-height: 1.3; }
.chapter-label small { padding-left: 0; border-left: 0; font-size: 13px; line-height: 1.45; }
.chapter-next { width: 100%; min-height: 60px; justify-content: space-between; margin-top: 30px; padding: 16px 18px; font-size: 16px; }

.demo, .process, .interview, .cooperation, .permissions, .trust, .faq, .immersive { padding-top: 56px; padding-bottom: 68px; }
.demo-switcher { flex-direction: column; }
.demo-console { display: block; min-height: 0; }
.demo-console__sidebar { padding: 18px; }
.demo-menu { grid-template-columns: repeat(2,1fr); }
.demo-security { margin-top: 18px; }
.demo-console__top { padding: 0 18px; }
.demo-console__top > div:last-child { display: none; }
.demo-view { padding: 28px 20px; }
.conversation-layout { grid-template-columns: 1fr; }
.human-avatar-stage { display: flex; }
.avatar-placeholder { min-height: 300px; }
.conversation-copy h3 { font-size: 25px; }
.source-card, .relation-map, .archive-files, .message-cards { grid-template-columns: 1fr; }
.deliverable-strip { grid-template-columns: 1fr; }

.immersive-demo { grid-template-columns: 1fr; min-height: 0; }
.ar-device-card { padding: 32px 24px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.scene-stage { min-height: 520px; }
.scene-person { width: 150px; height: 260px; }
.scene-caption { right: 22px; bottom: 92px; left: 22px; }
.scene-choices { right: 14px; bottom: 18px; left: 14px; flex-wrap: wrap; }
.boundary-note { grid-template-columns: 1fr; align-items: start; }
.boundary-note strong:not(:first-child) { margin-top: 8px; }

.cinematic-image img { height: 420px; border-radius: 18px; }
.process .cinematic-image { margin: 0 0 28px; }
.process-overview, .cooperation-grid, .permission-scenarios, .trust-grid { grid-template-columns: 1fr; }
.detail-drawer > summary { min-height: 82px; gap: 12px; padding: 15px 14px 15px 17px; font-size: 16px; }
.detail-drawer > summary i { min-width: 72px; min-height: 46px; padding: 0 14px; font-size: 15px; }
.detail-drawer .phase-list { padding: 0 18px 10px; }
.phase { grid-template-columns: 42px 1fr; gap: 15px; }
.phase__result { grid-column: 1/-1; }
.interview-overview { grid-template-columns: repeat(2,1fr); }
.interview-overview article { min-height: 100px; padding: 18px; }
.interview-overview b { font-size: 27px; }
.question-bank-controls { align-items: stretch; flex-direction: column; }
.question-bank-controls > div { display: grid; grid-template-columns: repeat(2,1fr); }
.question-bank-controls button { min-height: 54px; padding: 12px 10px; font-size: 16px; }
.question-group summary { grid-template-columns: 42px minmax(0,1fr); padding: 17px 15px; }
.question-group summary > em { grid-column: 2; width: fit-content; }
.question-group ol { margin: 0 14px 16px; padding: 18px 16px 18px 42px; column-count: 1; }
.question-group li { font-size: 14px; line-height: 1.8; }
.permission-workbench { display: block; }
.permission-roles { grid-template-columns: repeat(2,1fr); border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.permission-panel { grid-template-columns: 1fr; gap: 20px; padding: 28px 20px; }
.trust-grid { margin-top: 40px; }
.faq summary { min-height: 76px; font-size: 17px; line-height: 1.65; }

.quote-section { grid-template-columns: 1fr; gap: 40px; padding-top: 70px; padding-bottom: 78px; }
.quote-section__image img { height: 400px; border-radius: 18px; object-fit: cover; }
.quote-section blockquote { font-size: 34px; }

.future-routes { padding-top: 46px; padding-bottom: 82px; background: linear-gradient(180deg,#111824 0,#151d2a 42%,#eef2f7 42%); }
.future-hero { padding-bottom: 38px; color: #fff; }
.future-hero .eyebrow { color: #a9c5e8; }
.future-hero h2 { margin: 0; font-family: var(--serif); font-size: 34px; font-weight: 600; line-height: 1.48; }
.future-hero > p:last-of-type { margin: 22px 0 0; color: rgba(255,255,255,.66); font-size: 14px; line-height: 1.9; }
.future-legend { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 26px; color: rgba(255,255,255,.65); font-size: 10px; }
.future-legend span { display: flex; align-items: center; gap: 6px; }
.future-legend i { width: 8px; height: 8px; border-radius: 50%; background: #76b993; }
.future-legend i.research { background: #d5aa64; }
.future-legend i.theory { background: #9a8bc5; }
.route-map { display: grid; gap: 12px; }
.route-card { padding: 22px 20px; border: 1px solid rgba(44,59,80,.11); border-radius: 20px; background: rgba(255,255,255,.97); box-shadow: 0 13px 34px rgba(40,54,75,.09); }
.route-card__top { display: flex; align-items: center; justify-content: space-between; }
.route-card__top b { color: #385d95; font-family: var(--serif); font-size: 12px; }
.route-card__top span { padding: 6px 9px; border-radius: 999px; background: #e7f2eb; color: #47755a; font-size: 9px; }
.route-card--research .route-card__top span { background: #f5ecdc; color: #8a6731; }
.route-card--theory .route-card__top span { background: #ebe7f4; color: #6c5d94; }
.route-card h3 { margin: 22px 0 10px; font-family: var(--serif); font-size: 23px; line-height: 1.5; }
.route-card > p { margin: 0; color: #646e7c; font-size: 14px; line-height: 1.85; }
.route-card dl { display: grid; gap: 1px; overflow: hidden; margin: 20px 0 0; border: 1px solid #e5e8ed; border-radius: 13px; background: #e5e8ed; }
.route-card dl div { display: grid; grid-template-columns: 78px 1fr; background: #f7f8fa; }
.route-card dt, .route-card dd { margin: 0; padding: 11px 12px; font-size: 11px; line-height: 1.6; }
.route-card dt { color: #385d95; font-weight: 650; }
.route-card dd { color: #66707d; }
.route-card > strong { display: block; margin-top: 17px; padding-top: 15px; border-top: 1px solid #e8ebef; color: #385d95; font-size: 11px; font-weight: 500; }
.continuity-card { margin-top: 18px; padding: 26px 22px; border-radius: 22px; background: #222b3a; color: #fff; }
.continuity-card > span { color: #a9c5e8; font-size: 10px; letter-spacing: .14em; }
.continuity-card h3 { margin: 14px 0; font-family: var(--serif); font-size: 23px; font-weight: 500; line-height: 1.65; }
.continuity-card p { margin: 0; color: rgba(255,255,255,.6); font-size: 13px; line-height: 1.9; }
.future-image { margin: 18px 0 0; }
.future-image img { height: 430px; border-radius: 22px; object-fit: cover; }
.future-image figcaption { padding: 13px 5px 0; color: #657080; font-family: var(--serif); font-size: 12px; font-style: italic; line-height: 1.8; }
.future-action { margin-top: 20px; padding: 23px 20px; border: 1px solid #d7dce4; border-radius: 20px; background: #fff; }
.future-action p { margin: 0; color: #5f6977; font-size: 14px; line-height: 1.85; }
.future-action a { display: flex; min-height: 54px; align-items: center; justify-content: space-between; margin-top: 18px; padding: 0 17px; border-radius: 13px; background: #385d95; color: #fff; font-size: 14px; font-weight: 650; }
.route-sources { margin-top: 14px; overflow: hidden; border: 1px solid #d8dde5; border-radius: 16px; background: rgba(255,255,255,.7); }
.route-sources summary { display: flex; min-height: 54px; align-items: center; justify-content: space-between; padding: 0 16px; color: #526174; cursor: pointer; font-size: 12px; list-style: none; }
.route-sources summary::-webkit-details-marker { display: none; }
.route-sources summary::after { color: #385d95; font-size: 20px; content: "+"; }
.route-sources[open] summary::after { content: "−"; }
.route-sources > div { display: grid; gap: 1px; padding: 0 14px 14px; }
.route-sources a { padding: 12px 3px; border-top: 1px solid #e2e6ec; color: #385d95; font-size: 11px; line-height: 1.65; }
.route-sources p { margin: 10px 3px 0; color: #7a838f; font-size: 10px; line-height: 1.7; }

@media (min-width: 431px) {
  .bottom-nav { right: auto; left: 50%; width: 410px; transform: translateX(-50%); }
}

@media (max-width: 360px) {
  .hero h1 { font-size: 37px; }
  .meaning-heading h2, .section-heading h2, .future-hero h2 { font-size: 29px; }
  .app-launcher__card { grid-template-columns: 40px 1fr 18px; padding: 18px 14px; }
  .app-launcher__card > b { width: 40px; height: 40px; }
}

/* App shell: each screen occupies the phone viewport; controls replace page scrolling. */
.app-screen { display: none !important; }
.app-screen.is-current-screen { display: flex !important; }
.app-screen > .screen-content { flex: 1 1 auto; }
.app-screen > .screen-content > .screen-step { width: 100%; }
.screen-step > .meaning-layers .meaning-layer { height: 100%; min-height: 0; }
.screen-step > .route-map .route-card { height: 100%; overflow: hidden; }
.screen-step > .question-bank .question-group { max-height: 100%; overflow: hidden; }
.screen-step > .question-bank .question-group ol { max-height: 245px; overflow: hidden; padding-top: 11px; padding-bottom: 11px; }
.screen-step > .question-bank .question-group li { margin-bottom: 8px; font-size: 12px; line-height: 1.5; }
.screen-step > .faq-list details.is-page-item-active { display: block !important; }
.screen-step > .faq-list details[open] p { max-height: 240px; overflow: hidden; font-size: 13px; line-height: 1.65; }
.screen-step > .faq-tools .faq-filters button { min-height: 34px; white-space: nowrap; }
.screen-step > .process-overview .paged-collection { display: block; }
.screen-step > .process-overview article { min-height: 0; }
.screen-step > .cooperation-grid .cooperation-card { max-height: 100%; overflow: hidden; }
.screen-step > .permission-scenarios article, .screen-step > .trust-grid .trust-card { max-height: 100%; overflow: hidden; }
.screen-step > .phase-list .phase { padding: 12px 0; }
.screen-step > .phase-list .phase__body > p:last-child { font-size: 12px; line-height: 1.6; }
.screen-step > .phase-list .phase__result { padding: 12px; }
.screen-step > .phase-list .phase__result strong { font-size: 11px; }
.screen-step > .deliverable-strip span { padding: 8px 13px; }
.screen-step > .deliverable-strip b { display: inline; margin-right: 8px; }
.screen-step > .app-launcher__label { display: none; }
.screen-step > a.app-launcher__card { min-height: 0; }
.screen-step > .future-hero { flex: 0 0 auto; }
.screen-step > .route-map .route-card h3 { margin-top: 14px; font-size: 21px; }
.screen-step > .route-map .route-card > p { font-size: 12px; line-height: 1.65; }
.screen-step > .route-map .route-card dl { margin-top: 12px; }
.screen-step > .route-map .route-card dt, .screen-step > .route-map .route-card dd { padding: 8px 10px; }
.screen-step > .screen-content > .screen-step > .section-heading { flex: 0 0 auto; }
.screen-step > .section-heading .chapter-label { margin-bottom: 12px; }
.screen-step > .section-heading .eyebrow { font-size: 10px; }
.screen-step > .section-heading h2 { font-size: 23px; }
.screen-step > .demo-switcher { gap: 7px; margin-bottom: 10px; }
.screen-step > .demo-switcher .demo-person { padding: 10px 12px; }
.screen-step > .demo-switcher .demo-person > span { width: 32px; height: 32px; flex-basis: 32px; }
.screen-step > .demo-console .demo-menu button { padding: 8px 10px; font-size: 11px; }
.screen-step > .continuity-screen__content { overflow: hidden; }
.screen-step > .continuity-screen__content .continuity-steps { display: grid; gap: 8px; margin-top: 18px; }
.screen-step > .continuity-screen__content .continuity-steps article { padding: 12px; border-radius: 13px; background: rgba(255,255,255,.08); }
.screen-step > .continuity-screen__content .continuity-steps b, .screen-step > .continuity-screen__content .continuity-steps span { display: block; }
.screen-step > .continuity-screen__content .continuity-steps b { margin-bottom: 5px; color: #a9c5e8; font-size: 12px; }
.screen-step > .continuity-screen__content .continuity-steps span { color: rgba(255,255,255,.7); font-size: 11px; line-height: 1.5; }
.screen-step > .continuity-screen__content .route-sources { margin-top: 12px; }
