:root {
  --ink: #090d16;
  --ink-2: #111322;
  --paper: #f7f4fa;
  --text: #f7f7fb;
  --muted: #aeb4c3;
  --dark-text: #11121a;
  --purple: #7f35e8;
  --purple-deep: #4f207f;
  --lilac: #dcc8ff;
  --cyan: #67d9df;
  --line: rgba(130, 170, 193, .14);
  --max: 1410px;
  --display-title: clamp(48px, 4.2vw, 74px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, system-ui, sans-serif; color: var(--text); background: var(--ink); }
button, a { font: inherit; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky; top: 0; z-index: 50; height: 94px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 max(28px, calc((100vw - var(--max)) / 2)); background: rgba(8, 12, 21, .94); border-bottom: 1px solid rgba(255,255,255,.09);
  backdrop-filter: blur(18px);
}
.identity { color: var(--text); display: flex; align-items: center; gap: 16px; text-decoration: none; min-width: 250px; }
.identity-disc { position: relative; isolation: isolate; width: 56px; height: 56px; flex: 0 0 56px; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; font-weight: 800; border: 1.5px solid var(--cyan); background: radial-gradient(circle at 32% 28%, rgba(166,116,244,.28), transparent 42%), #0d1521; box-shadow: 0 0 28px rgba(103,217,223,.12); animation: identityBloomPulse 12s ease-in-out infinite; }
.identity-disc::before { content: ""; position: absolute; inset: -5px; z-index: -1; border-radius: inherit; background: conic-gradient(from 20deg, transparent 0 18%, rgba(127,53,232,.82) 34%, rgba(79,32,127,.72) 54%, rgba(103,217,223,.68) 72%, transparent 88% 100%); filter: blur(8px); opacity: .28; animation: identityBloomOrbit 16s linear infinite; }
.identity-copy { display: grid; gap: 3px; }
.identity-copy strong { font-size: 19px; }
.identity-copy small { color: #9097a7; font-size: 12px; font-weight: 600; letter-spacing: .03em; }
.topbar-actions { display: flex; align-items: center; gap: 28px; }
nav { display: flex; align-items: center; gap: 42px; }
nav a { position: relative; color: #8f96a6; text-decoration: none; text-transform: uppercase; font-size: 13px; font-weight: 800; letter-spacing: .16em; padding: 36px 0 32px; }
nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 23px; height: 3px; border-radius: 4px; transform: scaleX(0); background: linear-gradient(90deg, #45186f, var(--purple-deep), var(--purple)); transition: transform .25s ease; }
nav a:hover, nav a.active { color: white; }
nav a.active::after, nav a:hover::after { transform: scaleX(1); }
.pdf-download { display: inline-flex; align-items: center; gap: 7px; padding: 9px 14px; border: 1px solid rgba(103,217,223,.42); border-radius: 999px; color: white; text-decoration: none; text-transform: uppercase; font-size: 10px; font-weight: 900; letter-spacing: .13em; transition: border-color .22s ease, background .22s ease; }
.pdf-download span { color: var(--cyan); font-size: 13px; }
.pdf-download:hover { border-color: rgba(103,217,223,.78); background: rgba(103,217,223,.08); }

@keyframes identityBloomOrbit { to { transform: rotate(360deg); } }
@keyframes identityBloomPulse { 0%, 100% { box-shadow: 0 0 18px rgba(103,217,223,.1); } 45% { box-shadow: 0 0 25px rgba(127,53,232,.18); } 72% { box-shadow: 0 0 22px rgba(103,217,223,.16); } }

.dark-grid { background-color: var(--ink); background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 96px 96px; }
.hero { min-height: calc(100svh - 94px); overflow: hidden; }
.hero-inner, .section-wrap { max-width: var(--max); margin: 0 auto; padding: 96px 28px; }
.hero-inner { min-height: calc(100svh - 94px); display: grid; grid-template-columns: minmax(0, .9fr) minmax(520px, 1.1fr); align-items: center; gap: clamp(60px, 7vw, 120px); }
.eyebrow { display: flex; align-items: center; gap: 16px; margin: 0 0 38px; color: var(--cyan); text-transform: uppercase; letter-spacing: .17em; font-size: 13px; font-weight: 800; }
.eyebrow span { width: 52px; height: 52px; flex: 0 0 52px; border-radius: 50%; display: grid; place-items: center; background: var(--cyan); color: var(--ink); letter-spacing: 0; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 880px; margin-bottom: 32px; padding-block: .045em .07em; color: #fff; background: linear-gradient(45deg, #fff 0%, #fff 50%, #f5eaff 65%, #c8a8ff 80%, var(--cyan) 100%); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-size: clamp(52px, 5.5vw, 88px); line-height: 1.035; letter-spacing: -.055em; font-weight: 900; text-wrap: balance; }
h1 span, h2 span { display: block; }
h1 span { white-space: nowrap; }
h1 em, h2 em { color: inherit; font-style: normal; }
.lede { max-width: 710px; color: var(--muted); font-size: clamp(1rem, 1.25vw, 1.32rem); line-height: 1.58; }
.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 52px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); }
.role-grid small { display: block; margin-bottom: 9px; color: var(--cyan); text-transform: uppercase; letter-spacing: .16em; font-size: 10px; font-weight: 800; }
.role-grid p { color: #c6cbd5; font-size: 12px; line-height: 1.5; }
.hero-visual { position: relative; min-height: 660px; perspective: 1600px; }
.screen { position: absolute; width: 76%; padding: 8px; overflow: hidden; border-radius: 23px; border: 1px solid rgba(224,239,248,.2); background: rgba(238,242,248,.96); cursor: zoom-in; box-shadow: 0 28px 80px rgba(0,0,0,.48); transition: transform .48s cubic-bezier(.2,.8,.2,1), box-shadow .48s ease; will-change: transform; }
.screen img { width: 100%; aspect-ratio: 1.56; border-radius: 15px; object-fit: cover; object-position: top center; }
.screen-back { width: 87%; right: -2%; top: 2px; z-index: 2; transform: rotate(4deg); }
.screen-front { width: 84%; left: 0; bottom: 8px; z-index: 1; transform: rotate(-4.2deg); }
.screen-front span { position: absolute; left: 18px; bottom: 16px; display: grid; gap: 4px; padding: 14px 18px; color: white; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(13,13,25,.86); backdrop-filter: blur(12px); font-size: 12px; }
.screen-front b { color: var(--cyan); text-transform: uppercase; letter-spacing: .13em; font-size: 9px; }
.screen:hover { z-index: 8; box-shadow: 0 38px 95px rgba(0,0,0,.58), 0 0 0 1px rgba(166,116,244,.34); }
.screen-back:hover { transform: rotate(1.6deg) translate(-8px,8px) scale(1.035); }
.screen-front:hover { transform: rotate(-1.8deg) translate(10px,-8px) scale(1.04); }

.light-section { color: var(--dark-text); background: var(--paper); }
.case-summary .section-wrap { padding-top: 120px; padding-bottom: 120px; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; column-gap: 7vw; align-items: end; }
.section-heading .eyebrow { grid-column: 1 / -1; }
.eyebrow.light { color: var(--purple-deep); }
.eyebrow.light span { background: var(--purple); color: white; }
.section-heading h2, .responsive h2, .next-section h2 { margin-bottom: 0; padding-block: .035em .06em; font-size: var(--display-title); line-height: 1.06; letter-spacing: -.05em; font-weight: 900; }
.light-section h2 { color: var(--dark-text); background: linear-gradient(45deg, #11121a 0%, #11121a 50%, #302242 66%, #8055c7 83%, #45cbd2 100%); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-heading h2 span { white-space: nowrap; }
.section-heading p { margin-bottom: 8px; color: #626677; font-size: 18px; line-height: 1.65; }
.tension-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 84px; border: 1px solid #dfd9e7; border-radius: 24px; overflow: hidden; background: white; box-shadow: 0 24px 70px rgba(47,30,69,.07); }
.tension-grid article { min-height: 260px; padding: 34px; border-right: 1px solid #e6e0ec; }
.tension-grid article:last-child { border-right: 0; }
.tension-grid article > span { display: block; color: var(--purple); font-size: 14px; font-weight: 800; }
.tension-grid h3 { margin: 56px 0 14px; font-size: 23px; letter-spacing: -.035em; }
.tension-grid p { color: #737586; font-size: 15px; line-height: 1.65; }
.journey-line { display: flex; align-items: center; margin-top: 68px; color: #332943; text-transform: uppercase; letter-spacing: .13em; font-size: 11px; font-weight: 800; }
.journey-line i { flex: 1; min-width: 22px; height: 1px; margin: 0 14px; background: linear-gradient(90deg, var(--purple), var(--cyan)); opacity: .55; }

.responsive .section-wrap { padding-top: 130px; padding-bottom: 140px; }
.responsive-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 6vw; align-items: center; }
.responsive h2 { max-width: 700px; color: #fff; background: linear-gradient(45deg, #fff 0%, #fff 50%, #f5eaff 65%, #c8a8ff 80%, var(--cyan) 100%); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.responsive-copy > p:not(.eyebrow) { max-width: 620px; margin: 34px 0 38px; color: var(--muted); font-size: 18px; line-height: 1.7; }
.responsive ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.14); }
.responsive li { display: grid; grid-template-columns: 170px 1fr; gap: 22px; padding: 19px 0; border-bottom: 1px solid rgba(255,255,255,.11); }
.responsive li b { color: var(--cyan); text-transform: uppercase; letter-spacing: .1em; font-size: 11px; }
.responsive li span { color: #b9becb; font-size: 14px; line-height: 1.5; }
.phone-stage { position: relative; min-height: 710px; }
.phone { position: absolute; top: 50%; width: 38%; aspect-ratio: 780 / 1728; padding: 0; border: 7px solid rgba(245,247,251,.94); border-radius: 34px; overflow: hidden; background: white; cursor: zoom-in; box-shadow: 0 36px 90px rgba(0,0,0,.44); transition: transform 360ms cubic-bezier(.2,.8,.2,1), box-shadow 360ms ease, filter 360ms ease; }
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top center; background: white; }
.phone-left { left: 3%; transform: translateY(-50%) rotate(-4deg) scale(.92); }
.phone-center { left: 31%; z-index: 3; transform: translateY(-50%); }
.phone-right { right: 3%; transform: translateY(-50%) rotate(4deg) scale(.92); }
.phone:hover { z-index: 8; transform: translateY(-52%) rotate(0) scale(1.025); box-shadow: 0 46px 110px rgba(0,0,0,.56), 0 0 0 1px rgba(166,116,244,.4); filter: saturate(1.06); }

.chapter-heading { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(320px, .78fr); gap: clamp(52px, 8vw, 120px); align-items: end; }
.chapter-heading .eyebrow { margin-bottom: 34px; }
.chapter-heading h2 { margin: 0; padding-block: .035em .06em; font-size: var(--display-title); line-height: 1.055; letter-spacing: -.052em; font-weight: 900; }
.chapter-heading > p { max-width: 560px; margin-bottom: 8px; color: #666a79; font-size: 18px; line-height: 1.68; }
.chapter-heading-dark h2 { color: white; background: linear-gradient(45deg, #fff 0%, #fff 50%, #f5eaff 65%, #c8a8ff 80%, var(--cyan) 100%); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.chapter-heading-dark > p { color: var(--muted); }
.evidence-frame { position: relative; display: block; padding: 8px; overflow: hidden; border: 1px solid rgba(25,19,35,.12); border-radius: 24px; background: rgba(255,255,255,.95); cursor: zoom-in; box-shadow: 0 26px 74px rgba(35,21,52,.13); transition: transform .38s cubic-bezier(.2,.8,.2,1), box-shadow .38s ease, border-color .38s ease; }
.evidence-frame:hover { z-index: 5; transform: translateY(-7px); border-color: rgba(166,116,244,.42); box-shadow: 0 38px 90px rgba(35,21,52,.2); }
.results-primary:hover, .detail-page:hover, .checkout-view:hover, .passenger-view:hover, .system-nav:hover, .system-fields:hover { transform: translateY(-7px) rotate(-1.15deg) scale(1.012); }
.results-detail:hover, .gallery-view:hover, .confirmation-view:hover, .seatmap-view:hover, .multi-confirmation:hover, .system-buttons:hover { transform: translateY(-7px) rotate(1.15deg) scale(1.012); }
.evidence-frame img { width: 100%; height: 100%; border-radius: 16px; object-fit: cover; object-position: top center; }
.evidence-frame > span { position: absolute; left: 22px; bottom: 20px; display: grid; gap: 5px; padding: 14px 18px; color: white; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(13,13,25,.88); backdrop-filter: blur(12px); font-size: 12px; text-align: left; }
.evidence-frame > span b { color: var(--cyan); text-transform: uppercase; letter-spacing: .13em; font-size: 9px; }

.results .section-wrap, .confidence .section-wrap { padding-top: 130px; padding-bottom: 140px; }
.results-stage { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(340px, .78fr); gap: 44px; margin-top: 84px; align-items: stretch; }
.results-primary { min-height: 760px; }
.results-notes { display: grid; grid-template-rows: repeat(3, auto) minmax(280px, 1fr); gap: 16px; }
.results-notes article { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid #ded8e6; }
.results-notes article > span { color: var(--purple); font-weight: 800; font-size: 13px; }
.results-notes h3 { margin-bottom: 8px; font-size: 19px; letter-spacing: -.03em; }
.results-notes p { margin: 0; color: #707382; font-size: 14px; line-height: 1.58; }
.results-detail { min-height: 330px; }

.depth .section-wrap { padding-top: 130px; padding-bottom: 150px; }
.depth-stage { position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); row-gap: 40px; align-items: start; margin-top: 88px; }
.depth .evidence-frame { border-color: rgba(224,239,248,.18); background: rgba(238,242,248,.96); box-shadow: 0 34px 90px rgba(0,0,0,.42); }
.depth .evidence-frame:hover { border-color: rgba(103,217,223,.42); box-shadow: 0 46px 110px rgba(0,0,0,.54); }
.detail-page { grid-column: 1 / 8; grid-row: 1 / 3; width: 100%; height: 860px; }
.gallery-view { grid-column: 7 / -1; grid-row: 1; width: 100%; height: 475px; margin-top: 58px; }
.depth-principles { grid-column: 8 / -1; grid-row: 2; align-self: end; min-width: 0; margin-left: 30px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.16); border-bottom: 1px solid rgba(255,255,255,.12); }
.depth-principles article { padding: 24px 24px 20px 0; }
.depth-principles article + article { padding-left: 24px; border-left: 1px solid rgba(255,255,255,.12); }
.depth-principles b { color: var(--cyan); text-transform: uppercase; letter-spacing: .12em; font-size: 10px; }
.depth-principles p { margin: 10px 0 0; color: #aeb4c3; font-size: 13px; line-height: 1.55; }

.confidence-stage { position: relative; min-height: 920px; margin-top: 84px; }
.checkout-view { position: absolute; left: 0; top: 0; width: 58%; height: 690px; }
.confidence-flow { position: absolute; right: 0; top: 0; width: 36%; }
.confidence-flow article { padding: 0 0 24px; }
.confidence-flow article span { display: block; color: var(--purple); font-size: 13px; font-weight: 800; }
.confidence-flow h3 { margin: 12px 0 9px; font-size: 21px; letter-spacing: -.035em; }
.confidence-flow p { margin: 0; color: #707382; font-size: 14px; line-height: 1.58; }
.confidence-flow i { display: block; width: 1px; height: 36px; margin: 0 0 24px 5px; background: linear-gradient(var(--purple), var(--cyan)); opacity: .6; }
.confirmation-view { position: absolute; right: 0; bottom: 0; width: 49%; height: 410px; }

.realities .section-wrap, .system-proof .section-wrap { padding-top: 130px; padding-bottom: 150px; }
.realities-stage { display: grid; grid-template-columns: minmax(280px, 1fr) minmax(280px, .82fr) minmax(280px, 1fr); gap: 32px; align-items: center; margin-top: 88px; }
.realities .evidence-frame, .system-proof .evidence-frame { border-color: rgba(224,239,248,.18); background: rgba(238,242,248,.96); box-shadow: 0 34px 90px rgba(0,0,0,.42); }
.realities .evidence-frame:hover, .system-proof .evidence-frame:hover { border-color: rgba(103,217,223,.42); box-shadow: 0 46px 110px rgba(0,0,0,.54); }
.passenger-view, .seatmap-view { height: 650px; }
.passenger-view img, .seatmap-view img { object-fit: contain; object-position: center; background: #f6f5f8; }
.shared-rule { padding: 38px 0; border-top: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.12); }
.shared-rule > p { margin-bottom: 18px; color: var(--cyan); text-transform: uppercase; letter-spacing: .15em; font-size: 10px; font-weight: 800; }
.shared-rule blockquote { margin: 0 0 34px; color: white; font-size: clamp(1.35rem, 2vw, 2rem); line-height: 1.35; letter-spacing: -.035em; font-weight: 700; }
.shared-rule div { display: grid; gap: 8px; padding: 17px 0; border-top: 1px solid rgba(255,255,255,.1); }
.shared-rule div span { color: var(--purple); text-transform: uppercase; letter-spacing: .13em; font-size: 9px; font-weight: 800; }
.shared-rule div b { color: #aeb4c3; font-size: 12px; line-height: 1.55; font-weight: 500; }

.closure .section-wrap { padding-top: 130px; padding-bottom: 140px; }
.closure-layout { display: grid; grid-template-columns: minmax(0, .83fr) minmax(480px, 1.17fr); gap: clamp(60px, 8vw, 130px); align-items: center; }
.closure-copy h2, .outcome h2 { margin: 0; padding-block: .035em .06em; font-size: var(--display-title); line-height: 1.055; letter-spacing: -.052em; font-weight: 900; }
.closure-copy > p:not(.eyebrow) { max-width: 620px; margin: 34px 0 38px; color: #666a79; font-size: 18px; line-height: 1.68; }
.closure-copy ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid #ded8e6; }
.closure-copy li { display: grid; grid-template-columns: 100px 1fr; gap: 22px; padding: 18px 0; border-bottom: 1px solid #ded8e6; }
.closure-copy li b { color: var(--purple-deep); text-transform: uppercase; letter-spacing: .1em; font-size: 10px; }
.closure-copy li span { color: #707382; font-size: 14px; line-height: 1.5; }
.multi-confirmation { width: 100%; height: 760px; }

.system-gallery { display: grid; grid-template-columns: 1.15fr .9fr .82fr; grid-template-rows: 580px; gap: 28px; margin-top: 88px; align-items: stretch; }
.system-gallery .evidence-frame { height: 100%; }

.outcome { background: linear-gradient(135deg, #f8f4fa 0%, #f3ecfb 54%, #e4faf9 100%); }
.outcome .section-wrap { padding-top: 150px; padding-bottom: 150px; }
.outcome-layout { display: grid; grid-template-columns: 1.08fr .92fr; column-gap: clamp(60px, 8vw, 130px); }
.outcome-statement { align-self: end; padding-bottom: 8px; }
.outcome-statement p { color: #5f6372; font-size: 18px; line-height: 1.68; }
.outcome-statement p:first-child { color: #282330; font-weight: 600; }
.outcome-grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 88px; border-top: 1px solid rgba(52,36,70,.17); border-bottom: 1px solid rgba(52,36,70,.17); }
.outcome-grid article { min-height: 250px; padding: 34px 34px 30px 0; }
.outcome-grid article + article { padding-left: 34px; border-left: 1px solid rgba(52,36,70,.14); }
.outcome-grid article > span { color: var(--purple); font-size: 13px; font-weight: 800; }
.outcome-grid h3 { margin: 48px 0 12px; font-size: 22px; letter-spacing: -.035em; }
.outcome-grid p { margin: 0; color: #6c6f7c; font-size: 14px; line-height: 1.6; }
.outcome-note { grid-column: 1 / -1; max-width: 1040px; margin: 74px 0 0; color: #17131d; font-size: clamp(2rem, 4vw, 4rem); line-height: 1.08; letter-spacing: -.045em; font-weight: 800; }

.next-section { padding: 110px max(28px, calc((100vw - var(--max)) / 2)); color: #18131e; background: linear-gradient(120deg, var(--lilac), #f6f1fb 60%, #d7fbfb); }
.next-section p { color: var(--purple-deep); text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 800; }
.next-section h2 { max-width: 1040px; }

.lightbox { width: min(94vw, 1500px); height: min(92vh, 980px); padding: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.22); border-radius: 22px; background: #090b12; box-shadow: 0 50px 150px rgba(0,0,0,.7); }
.lightbox::backdrop { background: rgba(3,5,10,.9); backdrop-filter: blur(10px); }
.lightbox img { width: 100%; height: 100%; object-fit: contain; }
.lightbox-close { position: fixed; z-index: 10; top: max(20px, env(safe-area-inset-top)); right: max(20px, env(safe-area-inset-right)); width: 48px; height: 48px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; color: white; background: rgba(10,12,20,.92); font-size: 30px; line-height: 1; cursor: pointer; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.multi-confirmation.reveal.visible:hover { transform: translateY(-7px) rotate(1.15deg) scale(1.012); }

@media (max-width: 1100px) {
  .site-header { height: 84px; }
  .identity { min-width: 0; }
  .identity-copy small { display: none; }
  .topbar-actions { gap: 20px; }
  nav { gap: 24px; }
  .hero-inner { grid-template-columns: 1fr; padding-top: 72px; }
  .hero-visual { min-height: 600px; }
  .section-heading, .responsive-layout { grid-template-columns: 1fr; }
  .chapter-heading { grid-template-columns: 1fr; }
  .chapter-heading > p { max-width: 760px; }
  .section-heading p { max-width: 700px; margin-top: 28px; }
  .section-heading h2 span { white-space: normal; }
  .phone-stage { margin-top: 50px; }
  .results-stage { grid-template-columns: 1fr; }
  .results-primary { min-height: 680px; }
  .results-notes { grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto; }
  .results-notes article { grid-template-columns: 1fr; }
  .results-detail { grid-column: 1 / -1; min-height: 440px; }
  .detail-page { grid-column: 1 / 9; grid-row: 1; height: 760px; }
  .gallery-view { grid-column: 6 / -1; grid-row: 1; height: 510px; margin-top: 90px; }
  .depth-principles { grid-column: 1 / -1; grid-row: 2; margin-left: 0; }
  .confidence-stage { min-height: 1230px; }
  .checkout-view { width: 72%; height: 720px; }
  .confidence-flow { width: 36%; }
  .confirmation-view { width: 68%; height: 450px; }
  .realities-stage { grid-template-columns: 1fr 1fr; }
  .shared-rule { grid-column: 1 / -1; grid-row: 1; }
  .passenger-view, .seatmap-view { height: 600px; }
  .closure-layout { grid-template-columns: 1fr; }
  .multi-confirmation { max-width: 760px; height: 720px; margin: 0 auto; }
  .system-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 520px 440px; }
  .system-nav { grid-column: 1 / -1; }
  .outcome-layout { grid-template-columns: 1fr; }
  .outcome-statement { max-width: 780px; margin-top: 34px; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 76px; }
  .site-header { height: 76px; gap: 12px; padding: 0 12px; }
  .identity { flex: 0 0 auto; gap: 0; }
  .identity-disc { width: 44px; height: 44px; flex-basis: 44px; font-size: 13px; }
  .identity-copy { display: none; }
  .topbar-actions { flex: 1 1 auto; min-width: 0; justify-content: flex-end; gap: 9px; }
  nav { flex: 0 1 auto; justify-content: flex-end; gap: clamp(8px, 2.7vw, 12px); min-width: 0; margin-left: 0; }
  nav a { padding: 29px 0 24px; white-space: nowrap; font-size: 9px; letter-spacing: .1em; }
  nav a:nth-child(4) { display: none; }
  nav a::after { bottom: 18px; height: 2px; }
  .pdf-download { flex: 0 0 auto; padding: 7px 9px; font-size: 8px; letter-spacing: .1em; }
  .pdf-download span { font-size: 11px; }
  .hero { min-height: auto; overflow: visible; }
  .hero-inner, .section-wrap { padding-left: 18px; padding-right: 18px; }
  .hero-inner { min-height: auto; padding-top: 68px; padding-bottom: 86px; gap: 48px; align-items: start; }
  .eyebrow { margin-bottom: 30px; gap: 12px; font-size: 11px; letter-spacing: .12em; }
  .eyebrow span { width: 46px; height: 46px; flex-basis: 46px; }
  h1 { margin-bottom: 28px; font-size: clamp(2.7rem, 12vw, 4.1rem); line-height: 1.01; }
  h1 span { white-space: normal; }
  .lede { font-size: 17px; }
  .role-grid { grid-template-columns: 1fr; gap: 0; margin-top: 40px; }
  .role-grid div { padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .role-grid div:last-child { grid-column: auto; }
  .role-grid p { margin-bottom: 0; }
  .hero-visual { width: 100%; min-height: 420px; }
  .screen-back { width: 88%; right: -2%; transform: rotate(2.8deg); }
  .screen-front { width: 86%; left: 0; transform: rotate(-3.2deg); }
  .screen-back:hover { transform: rotate(1.2deg) scale(1.025); }
  .screen-front:hover { transform: rotate(-1.4deg) scale(1.025); }
  .case-summary .section-wrap, .responsive .section-wrap { padding-top: 84px; padding-bottom: 90px; }
  .section-heading h2, .responsive h2 { font-size: clamp(2.7rem, 12vw, 4.1rem); }
  .section-heading p, .chapter-heading > p { font-size: 16px; line-height: 1.62; }
  .chapter-heading h2 { font-size: clamp(2.7rem, 12vw, 4.1rem); }
  .tension-grid { grid-template-columns: 1fr; margin-top: 56px; }
  .tension-grid article { min-height: auto; padding: 28px; border-right: 0; border-bottom: 1px solid #e6e0ec; }
  .tension-grid h3 { margin-top: 34px; }
  .journey-line { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 48px; border-top: 1px solid #ded8e6; }
  .journey-line span { padding: 14px 0; border-bottom: 1px solid #ded8e6; }
  .journey-line span:nth-of-type(even) { padding-left: 18px; border-left: 1px solid #ded8e6; }
  .journey-line i { display: none; }
  .responsive li { grid-template-columns: 1fr; gap: 8px; }
  .phone-stage { min-height: 510px; margin: 42px -6px 0; }
  .phone { width: 43%; border-width: 5px; border-radius: 24px; }
  .phone-left { left: 0; }
  .phone-center { left: 28%; }
  .phone-right { right: 0; }
  .results .section-wrap, .depth .section-wrap, .confidence .section-wrap { padding-top: 84px; padding-bottom: 96px; }
  .results-stage, .depth-stage, .confidence-stage { margin-top: 58px; }
  .results-primary { min-height: 500px; }
  .results-primary img, .results-detail img, .detail-page img, .gallery-view img, .checkout-view img, .confirmation-view img, .multi-confirmation img, .system-gallery img { object-fit: contain; object-position: center top; background: #f6f5f8; }
  .results-notes { grid-template-columns: 1fr; }
  .results-notes article { grid-template-columns: 38px 1fr; }
  .results-detail { grid-column: auto; min-height: 320px; }
  .depth-stage { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .detail-page, .gallery-view { grid-column: 1; grid-row: auto; width: 100%; height: 500px; margin-top: 0; }
  .gallery-view { height: 330px; }
  .depth-principles { grid-column: 1; grid-row: auto; margin-left: 0; width: 100%; grid-template-columns: 1fr; }
  .depth-principles article + article { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.12); }
  .confidence-stage { display: grid; gap: 28px; min-height: 0; }
  .checkout-view, .confidence-flow, .confirmation-view { position: relative; inset: auto; width: 100%; }
  .checkout-view { height: 500px; }
  .confidence-flow { display: grid; }
  .confidence-flow i { width: 38px; height: 1px; margin: 0 0 24px; }
  .confirmation-view { height: 330px; }
  .results-primary:hover, .detail-page:hover, .checkout-view:hover, .passenger-view:hover, .system-nav:hover, .system-fields:hover { transform: translateY(-5px) rotate(-.55deg) scale(1.008); }
  .results-detail:hover, .gallery-view:hover, .confirmation-view:hover, .seatmap-view:hover, .multi-confirmation:hover, .system-buttons:hover { transform: translateY(-5px) rotate(.55deg) scale(1.008); }
  .realities .section-wrap, .closure .section-wrap, .system-proof .section-wrap, .outcome .section-wrap { padding-top: 84px; padding-bottom: 96px; }
  .realities-stage { grid-template-columns: 1fr; margin-top: 58px; }
  .shared-rule { grid-column: auto; grid-row: auto; }
  .passenger-view, .seatmap-view { height: 500px; }
  .closure-layout { gap: 52px; }
  .closure-copy h2, .outcome h2 { font-size: clamp(2.7rem, 12vw, 4.1rem); }
  .closure-copy li { grid-template-columns: 82px 1fr; }
  .multi-confirmation { height: 540px; }
  .multi-confirmation.reveal.visible:hover { transform: translateY(-5px) rotate(.55deg) scale(1.008); }
  .system-gallery { grid-template-columns: 1fr; grid-template-rows: repeat(3, 360px); margin-top: 58px; }
  .system-nav { grid-column: auto; }
  .outcome-grid { grid-template-columns: 1fr; margin-top: 58px; }
  .outcome-grid article { min-height: 0; padding: 30px 0; }
  .outcome-grid article + article { padding-left: 0; border-left: 0; border-top: 1px solid rgba(52,36,70,.14); }
  .outcome-grid h3 { margin-top: 28px; }
  .outcome-note { margin-top: 58px; }
  .next-section { padding-top: 82px; padding-bottom: 82px; }
}

@media (max-width: 390px) {
  .site-header { gap: 9px; padding-inline: 10px; }
  .identity-disc { width: 42px; height: 42px; flex-basis: 42px; }
  .topbar-actions { gap: 7px; }
  nav { gap: 8px; }
  nav a { font-size: 7.5px; letter-spacing: .06em; }
  .pdf-download { padding-inline: 8px; }
  .hero-inner, .section-wrap { padding-left: 16px; padding-right: 16px; }
  .eyebrow { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}