@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --ink: #0b1114;
  --surface: #111b1f;
  --paper: #f3f1e8;
  --muted: #9aa7aa;
  --line: #2b3a3f;
  --line-light: #c8cbc3;
  --cyan: #39d5e6;
  --orange: #f08a5d;
}

body.route-b { background: var(--ink); color: var(--paper); font-family: 'Manrope', system-ui, sans-serif; overflow-x: clip; }
.route-b .shell { width: min(100% - 48px, 1280px); }
.route-b .site-header { position: sticky; top: 0; z-index: 40; background: rgba(11,17,20,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.route-b .nav { min-height: 72px; }
.route-b .brand-logo { display: inline-flex; align-items: center; line-height: 0; }
.route-b .brand-logo picture { display: block; }
.route-b .brand-logo img { display: block; width: 210px; height: auto; max-height: 52px; object-fit: contain; object-position: left center; }
.route-b .nav-links { gap: 28px; font: 500 .72rem/1 'IBM Plex Mono', monospace; letter-spacing: .05em; text-transform: uppercase; }
.route-b .nav-links > a:not(.button) { color: var(--muted); }
.route-b .nav-links > a:not(.button):hover { color: var(--paper); }
.route-b .button { min-height: 48px; border-radius: 0; background: var(--cyan); color: var(--ink); font: 500 .72rem/1 'IBM Plex Mono', monospace; letter-spacing: .05em; text-transform: uppercase; }
.route-b .button:hover { background: var(--paper); }
.route-b a:focus-visible, .route-b summary:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.route-b .menu-toggle { display: none; min-width: 76px; min-height: 44px; padding: 0 12px; align-items: center; justify-content: space-between; gap: 12px; border: 1px solid var(--line); background: transparent; color: var(--paper); font: 500 .7rem/1 'IBM Plex Mono', monospace; letter-spacing: .06em; text-transform: uppercase; }
.route-b .menu-toggle i, .route-b .menu-toggle i::after { display: block; width: 16px; height: 1px; background: currentColor; content: ''; transition: transform .18s ease; }
.route-b .menu-toggle i::after { transform: translateY(5px); }
.route-b .menu-toggle[aria-expanded='true'] i { transform: translateY(3px) rotate(45deg); }
.route-b .menu-toggle[aria-expanded='true'] i::after { transform: rotate(-90deg); }
.route-b .section-label, .route-b .section-index { color: var(--cyan); font: 500 .68rem/1.3 'IBM Plex Mono', monospace; letter-spacing: .07em; text-transform: uppercase; }
.route-b h2 { margin: 0; font-size: clamp(3rem,5vw,5rem); line-height: .92; letter-spacing: -.06em; }
.route-b .symbol { width: 38px; height: 38px; color: currentColor; }

.route-b .hero { min-height: calc(100svh - 72px); padding: 20px 0; display: flex; align-items: center; overflow: hidden; }
.route-b .hero-frame { display: grid; grid-template-columns: minmax(430px,.84fr) minmax(0,1.16fr); min-height: 570px; border-block: 1px solid var(--line); }
.route-b .hero-copy { padding: 48px 56px 42px 0; display: flex; flex-direction: column; justify-content: center; }
.route-b .hero h1 { max-width: 680px; margin: 40px 0 28px; font-size: clamp(4.2rem,6.5vw,7rem); line-height: .86; letter-spacing: -.075em; }
.route-b .hero h1 em { color: var(--cyan); font-style: normal; }
.route-b .hero-description { max-width: 570px; margin: 0; color: var(--muted); font-size: 1.05rem; line-height: 1.6; }
.route-b .actions { margin-top: 28px; display: flex; gap: 22px; align-items: center; }
.route-b .actions .button { min-width: 190px; }
.route-b .text-link { min-width: 156px; min-height: 44px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); color: var(--paper); font: 500 .7rem/1 'IBM Plex Mono', monospace; text-decoration: none; text-transform: uppercase; }
.route-b .hero-proof-cue { margin: 34px 0 0; color: var(--muted); font: 500 .66rem/1.4 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .hero-proof-cue span { margin-right: 8px; color: var(--orange); }
.route-b .hero-visual { position: relative; margin: 0; min-width: 0; overflow: hidden; border-left: 1px solid var(--line); background: var(--surface); }
.route-b .hero-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg,rgba(11,17,20,.08),transparent 45%), linear-gradient(0deg,rgba(11,17,20,.52),transparent 36%); pointer-events: none; }
.route-b .hero-visual img { width: 100%; height: 100%; min-height: 570px; display: block; object-fit: cover; object-position: 58% center; filter: saturate(.8) contrast(1.05); }
.route-b .hero-visual figcaption { position: absolute; left: 24px; bottom: 20px; z-index: 2; color: rgba(243,241,232,.75); font: 500 .6rem/1.3 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .annotation { position: absolute; z-index: 2; padding: 8px 10px; border: 1px solid rgba(243,241,232,.38); color: var(--paper); font: 500 .62rem/1 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .annotation-one { top: 26px; right: 28px; transform: rotate(2deg); }
.route-b .annotation-two { right: 28px; bottom: 58px; color: var(--cyan); transform: rotate(-3deg); }

.route-b .editorial-beat { padding: 32px 0; background: var(--cyan); color: var(--ink); }
.route-b .editorial-beat .shell { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.route-b .editorial-beat p { margin: 0; font-size: clamp(2.1rem,4vw,4.7rem); line-height: .95; letter-spacing: -.055em; }
.route-b .editorial-beat em { display: block; font-style: normal; font-weight: 700; }
.route-b .editorial-beat span { font-size: 4rem; }

.route-b .offers { padding: 44px 0 34px; background: var(--paper); color: var(--ink); }
.route-b .offers .section-index { color: #167783; }
.route-b .compact-head { display: grid; grid-template-columns: 180px 1fr; gap: 52px; align-items: start; }
.route-b .compact-head h2 { max-width: 720px; }
.route-b .compact-head p { margin: 16px 0 0; color: #596466; font-size: 1rem; }
.route-b .offer-list { margin-top: 38px; border-top: 1px solid var(--line-light); }
.route-b .offer { border-bottom: 1px solid var(--line-light); }
.route-b .offer summary { min-height: 88px; padding: 10px 0; display: grid; grid-template-columns: 64px 1fr 90px; gap: 20px; align-items: center; cursor: pointer; list-style: none; }
.route-b .offer summary::-webkit-details-marker { display: none; }
.route-b .offer-symbol { width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid var(--line-light); color: #167783; }
.route-b .offer-title { display: grid; grid-template-columns: 36px minmax(250px,.65fr) 1fr; gap: 18px; align-items: center; }
.route-b .offer-title small { color: #167783; font: 500 .65rem/1 'IBM Plex Mono', monospace; }
.route-b .offer-title strong { font-size: clamp(1.35rem,2vw,1.85rem); letter-spacing: -.035em; }
.route-b .offer-summary { color: #596466; font-size: .95rem; }
.route-b .reveal-label { display: flex; align-items: center; justify-content: space-between; color: #596466; font: 500 .62rem/1 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .reveal-label i { width: 18px; height: 18px; position: relative; }
.route-b .reveal-label i::before, .route-b .reveal-label i::after { content: ''; position: absolute; left: 1px; top: 8px; width: 16px; height: 1px; background: currentColor; }
.route-b .reveal-label i::after { transform: rotate(90deg); transition: transform .18s ease; }
.route-b .offer[open] .reveal-label i::after { transform: rotate(0); }
.route-b .offer-detail { margin: 0 90px 22px 84px; padding: 18px 0 0 54px; display: grid; grid-template-columns: .9fr .9fr 1.2fr; gap: 30px; border-top: 1px solid var(--line-light); }
.route-b .offer-detail p { margin: 0; color: #465154; font-size: .88rem; line-height: 1.55; }
.route-b .offer-detail .offer-fit { color: #167783; font-family: 'IBM Plex Mono', monospace; font-size: .72rem; }
.route-b .offer-outputs > span { color: #167783; font: 500 .62rem/1 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .offer-outputs ul { margin: 10px 0 0; padding: 0; list-style: none; }
.route-b .offer-outputs li { position: relative; padding: 4px 0 4px 14px; color: #364144; font-size: .82rem; }
.route-b .offer-outputs li::before { content: ''; position: absolute; left: 0; top: 10px; width: 5px; height: 5px; background: var(--orange); }

.route-b .method { padding: 36px 0; background: var(--surface); }
.route-b .method-frame { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: end; }
.route-b .method-copy h2 { max-width: 650px; margin-top: 20px; font-size: clamp(2.8rem,4.2vw,4.5rem); }
.route-b .method-copy p { margin: 18px 0 0; color: var(--muted); }
.route-b .process-graphic { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(4,1fr); }
.route-b .method-step { min-height: 120px; padding: 16px 14px; border-top: 1px solid var(--line); border-right: 1px solid var(--line); position: relative; }
.route-b .method-step::after { content: '→'; position: absolute; right: -11px; top: 49px; z-index: 2; color: var(--cyan); background: var(--surface); }
.route-b .method-step:last-child { border-right: 0; }
.route-b .method-step:last-child::after { display: none; }
.route-b .method-step span { display: block; color: var(--orange); font: 500 .62rem/1 'IBM Plex Mono', monospace; }
.route-b .method-step strong { display: block; margin-top: 36px; font-size: .93rem; }

.route-b .systems { padding: 38px 0 42px; }
.route-b .systems-head p { color: var(--muted); }
.route-b .evidence-stack { margin-top: 36px; display: grid; gap: 14px; }
.route-b .evidence-card { margin: 0; height: 300px; display: grid; grid-template-columns: minmax(0,1.35fr) minmax(320px,.65fr); border: 1px solid var(--line); background: var(--surface); overflow: hidden; }
.route-b .evidence-card:nth-child(even) { grid-template-columns: minmax(320px,.65fr) minmax(0,1.35fr); }
.route-b .evidence-card:nth-child(even) .evidence-visual { order: 2; }
.route-b .evidence-visual { min-width: 0; height: 298px; overflow: hidden; background: #0e171b; }
.route-b .evidence-visual picture { display: block; height: 100%; }
.route-b .evidence-visual img { width: 100%; height: 298px; display: block; object-fit: contain; background: #0e171b; }
.route-b .evidence-guest-booking-journey .evidence-visual img { object-fit: contain; object-position: center; }
.route-b .evidence-card figcaption { padding: 28px; display: grid; grid-template-columns: 32px 1fr 22px; gap: 14px; align-items: start; }
.route-b .slot { color: var(--orange); font: 500 .62rem/1 'IBM Plex Mono', monospace; }
.route-b .state { display: inline-block; margin-bottom: 18px; padding-bottom: 7px; border-bottom: 1px solid currentColor; color: var(--cyan); font: 500 .64rem/1 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .evidence-card h3 { margin: 0 0 12px; font-size: clamp(1.5rem,2.2vw,2.15rem); line-height: 1.05; letter-spacing: -.04em; }
.route-b .evidence-card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.route-b .proof-arrow { color: var(--cyan); font-size: 1.4rem; }

.route-b .founder { padding: 48px 0; background: var(--paper); color: var(--ink); }
.route-b .founder .section-index { color: #167783; }
.route-b .founder-frame { display: grid; grid-template-columns: .75fr 1.25fr; gap: 74px; align-items: stretch; }
.route-b .founder-visual { min-height: 440px; position: relative; overflow: hidden; background: var(--ink); color: var(--paper); }
.route-b .operator-mark { position: absolute; left: 50%; top: 48%; transform: translate(-50%,-50%); width: 104px; height: 104px; display: grid; place-items: center; border: 1px solid var(--cyan); border-radius: 50%; font-size: 3rem; font-weight: 600; }
.route-b .orbit { position: absolute; left: 50%; top: 48%; border: 1px solid rgba(243,241,232,.28); border-radius: 50%; transform: translate(-50%,-50%); }
.route-b .orbit-a { width: 270px; height: 270px; }
.route-b .orbit-b { width: 460px; height: 460px; border-color: rgba(57,213,230,.24); }
.route-b .founder-visual b { position: absolute; right: 30px; top: 28px; color: var(--orange); font-size: 2.2rem; transform: rotate(-8deg); }
.route-b .founder-visual small { position: absolute; left: 24px; bottom: 22px; font: 500 .64rem/1 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .founder-copy { align-self: center; }
.route-b .founder-copy h2 { max-width: 760px; margin-top: 20px; }
.route-b .founder-copy > p:not(.founder-context) { max-width: 760px; margin: 24px 0 0; font-size: clamp(1.12rem,1.65vw,1.5rem); line-height: 1.45; }
.route-b .founder-context { margin: 16px 0 0; color: #596466; font-size: .92rem; }
.route-b .founder-themes { margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-light); }
.route-b .founder-themes span { min-height: 78px; padding: 12px 10px 12px 0; display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: center; border-bottom: 1px solid var(--line-light); }
.route-b .founder-themes .symbol { width: 28px; height: 28px; color: #167783; }
.route-b .founder-themes strong { font: 500 .66rem/1.35 'IBM Plex Mono', monospace; text-transform: uppercase; }

.route-b .contact { padding: 25px 0; background: var(--cyan); color: var(--ink); }
.route-b .contact .section-index { color: #125f67; }
.route-b .contact-frame { display: grid; grid-template-columns: 100px 1.25fr .75fr; gap: 42px; align-items: center; }
.route-b .contact-mark { width: 82px; height: 82px; display: grid; place-items: center; border: 1px solid rgba(11,17,20,.5); border-radius: 50%; font-size: 3.2rem; }
.route-b .contact h2 { max-width: 760px; margin-top: 12px; font-size: clamp(2.8rem,4.5vw,4.8rem); }
.route-b .contact-side p { margin: 0 0 18px; }
.route-b .contact .button { width: 100%; background: var(--ink); color: var(--paper); }
.route-b .truth-note { margin: 12px 0 0 !important; color: #24494d; font: 500 .62rem/1.4 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .site-footer { background: var(--ink); color: var(--muted); border-top: 1px solid var(--line); font: 500 .62rem/1 'IBM Plex Mono', monospace; text-transform: uppercase; }

@media (max-width: 980px) {
  .route-b .hero { min-height: auto; }
  .route-b .hero-frame { grid-template-columns: 1fr 1fr; min-height: 600px; }
  .route-b .hero-copy { padding-right: 34px; }
  .route-b .hero h1 { font-size: 4.7rem; }
  .route-b .offer-title { grid-template-columns: 32px 1fr; }
  .route-b .offer-summary { grid-column: 2; }
  .route-b .offer-detail { margin-left: 84px; grid-template-columns: 1fr 1fr; }
  .route-b .offer-outputs { grid-column: 1 / -1; }
  .route-b .method-frame, .route-b .founder-frame { gap: 42px; }
}

@media (max-width: 720px) {
  .route-b .shell { width: min(100% - 28px,1280px); }
  .route-b .nav { min-height: 64px; }
  .route-b .brand-logo img { width: 132px; max-height: 44px; }
  .route-b .menu-toggle { display: inline-flex; }
  .route-b .nav-links { display: none; position: absolute; left: 0; right: 0; top: 64px; min-height: calc(100svh - 64px); padding: 30px 14px 40px; background: var(--ink); border-top: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; }
  .route-b.menu-open { overflow: hidden; }
  .route-b.menu-open .nav-links { display: flex; }
  .route-b .nav-links > a:not(.button) { display: flex; min-height: 64px; align-items: center; border-bottom: 1px solid var(--line); color: var(--paper); font-size: .82rem; }
  .route-b .nav-links .button { margin-top: 28px; min-height: 52px; }
  .route-b .hero { padding: 0 0 18px; }
  .route-b .hero-frame { grid-template-columns: 1fr; min-height: auto; border-top: 0; }
  .route-b .hero-copy { min-height: 390px; padding: 22px 0 16px; }
  .route-b .hero h1 { margin: auto 0 22px; font-size: clamp(3.35rem,15.5vw,4.3rem); }
  .route-b .hero-description { font-size: 1rem; line-height: 1.55; }
  .route-b .actions { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .route-b .hero-proof-cue { margin-top: 22px; }
  .route-b .hero-visual { height: 220px; border-left: 0; border-top: 1px solid var(--line); }
  .route-b .hero-visual img { min-height: 0; height: 220px; object-position: 58% center; }
  .route-b .editorial-beat { padding: 20px 0; }
  .route-b .editorial-beat p { font-size: 2.25rem; }
  .route-b .editorial-beat span { font-size: 2.4rem; }
  .route-b .offers, .route-b .systems, .route-b .founder { padding: 30px 0; }
  .route-b .systems, .route-b .founder { padding: 24px 0; }
  .route-b .compact-head { grid-template-columns: 1fr; gap: 16px; }
  .route-b .compact-head h2 { font-size: 3rem; }
  .route-b .offer-list { margin-top: 26px; }
  .route-b .offer summary { min-height: 72px; grid-template-columns: 48px 1fr 34px; gap: 12px; }
  .route-b .offer-symbol { width: 44px; height: 44px; }
  .route-b .offer-symbol .symbol { width: 30px; height: 30px; }
  .route-b .offer-title { grid-template-columns: 26px 1fr; gap: 8px; }
  .route-b .offer-title strong { font-size: 1.25rem; }
  .route-b .offer-summary { font-size: .84rem; }
  .route-b .reveal-label span { display: none; }
  .route-b .offer-detail { margin: 0 0 18px 60px; padding: 14px 0 0; grid-template-columns: 1fr; gap: 12px; }
  .route-b .offer-outputs { grid-column: auto; }
  .route-b .method { padding: 26px 0; }
  .route-b .method-frame { grid-template-columns: 1fr; gap: 26px; }
  .route-b .method-copy h2 { font-size: 2.75rem; }
  .route-b .process-graphic { grid-template-columns: 1fr 1fr; }
  .route-b .method-step { min-height: 80px; }
  .route-b .method-step:nth-child(2)::after { display: none; }
  .route-b .method-step strong { margin-top: 24px; }
  .route-b .systems-head h2 { font-size: 2.85rem; }
  .route-b .evidence-stack { margin-top: 20px; gap: 12px; }
  .route-b .evidence-card, .route-b .evidence-card:nth-child(even) { height: auto; min-height: 0; grid-template-columns: 1fr; }
  .route-b .evidence-card:nth-child(even) .evidence-visual { order: 0; }
  .route-b .evidence-visual { height: 200px; }
  .route-b .evidence-visual img { min-height: 0; height: 200px; }
  .route-b .evidence-controlled-workflow .evidence-visual,
  .route-b .evidence-controlled-workflow .evidence-visual img { height: 300px; }
  .route-b .evidence-operations-task-control .evidence-visual,
  .route-b .evidence-operations-task-control .evidence-visual img { height: 240px; }
  .route-b .evidence-card figcaption { padding: 14px; grid-template-columns: 24px 1fr 20px; }
  .route-b .evidence-card h3 { font-size: 1.45rem; }
  .route-b .evidence-card p { font-size: .86rem; }
  .route-b .founder-frame { grid-template-columns: 1fr; gap: 22px; }
  .route-b .founder-visual { min-height: 140px; }
  .route-b .orbit-a { width: 190px; height: 190px; }
  .route-b .orbit-b { width: 250px; height: 250px; }
  .route-b .operator-mark { width: 82px; height: 82px; font-size: 2.2rem; }
  .route-b .founder-copy h2 { font-size: 2.65rem; }
  .route-b .founder-copy > p:not(.founder-context) { font-size: 1.08rem; }
  .route-b .founder-themes span { min-height: 68px; }
  .route-b .contact { padding: 16px 0; }
  .route-b .contact-frame { grid-template-columns: 62px 1fr; gap: 18px; }
  .route-b .contact-mark { width: 58px; height: 58px; font-size: 2.2rem; }
  .route-b .contact h2 { font-size: 2.7rem; }
  .route-b .contact-side { grid-column: 2; }
}

@media (max-width: 420px) {
  .route-b .actions { grid-template-columns: 1fr; }
  .route-b .hero-copy { min-height: 390px; }
  .route-b .hero-visual { height: 220px; }
  .route-b .hero-visual img { height: 220px; }
  .route-b .evidence-visual { height: 200px; }
  .route-b .evidence-visual img { height: 200px; }
  .route-b .evidence-controlled-workflow .evidence-visual,
  .route-b .evidence-controlled-workflow .evidence-visual img { height: 300px; }
  .route-b .evidence-operations-task-control .evidence-visual,
  .route-b .evidence-operations-task-control .evidence-visual img { height: 240px; }
  .route-b .founder-themes { grid-template-columns: 1fr 1fr; }
  .route-b .founder-themes strong { font-size: .6rem; }
}

/* AIG-111 — section subtraction and beautiful proof correction */
.route-b .hero { min-height: 380px; padding: 22px 0; }
.route-b .hero-frame { min-height: 330px; grid-template-columns: minmax(0,1fr) 330px; align-items: stretch; }
.route-b .hero-copy { padding: 34px 54px 30px 0; }
.route-b .hero h1 { max-width: 860px; margin: 24px 0 20px; font-size: clamp(4rem,6vw,6.6rem); }
.route-b .hero-description { max-width: 610px; }
.route-b .actions { margin-top: 22px; }
.route-b .hero-proof-rail { display: grid; grid-template-rows: repeat(3,1fr); border-left: 1px solid var(--line); }
.route-b .hero-proof-rail span { display: flex; align-items: flex-end; padding: 22px; border-bottom: 1px solid var(--line); color: var(--paper); font: 500 .68rem/1.3 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .hero-proof-rail span::before { content: '↗'; margin-right: auto; color: var(--cyan); font-size: 1.2rem; }
.route-b .hero-proof-rail span:last-child { border-bottom: 0; }

.route-b .offers { padding: 36px 0 26px; }
.route-b .compact-head { grid-template-columns: 150px 1fr; gap: 34px; }
.route-b .compact-head h2 { font-size: clamp(2.7rem,4vw,4.4rem); }
.route-b .compact-head p { margin-top: 10px; }
.route-b .offer-list { margin-top: 26px; }
.route-b .offer summary { min-height: 68px; grid-template-columns: 1fr 86px; gap: 18px; padding: 7px 0; }
.route-b .offer-title { grid-template-columns: 30px minmax(290px,.72fr) 1fr; gap: 16px; }
.route-b .offer-title strong { font-size: clamp(1.18rem,1.7vw,1.55rem); }
.route-b .offer-summary { font-size: .88rem; }
.route-b .offer-detail { margin: 0 86px 16px 46px; padding: 12px 0 0; grid-template-columns: .72fr 1.28fr; gap: 28px; }
.route-b .offer-outputs ul { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px 16px; }
.route-b .offer-outputs li { font-size: .76rem; line-height: 1.35; }
.route-b .method-strip { margin: 20px 0 0; padding: 14px 0 0; list-style: none; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line-light); }
.route-b .method-strip li { display: grid; grid-template-columns: 24px 1fr; gap: 8px; align-items: center; color: #364144; font-size: .8rem; }
.route-b .method-strip li:not(:last-child)::after { content: '→'; justify-self: end; grid-column: 2; color: #167783; }
.route-b .method-strip span { color: #167783; font: 500 .62rem/1 'IBM Plex Mono', monospace; }

.route-b .systems { padding: 32px 0 34px; }
.route-b .systems-head { display: grid; grid-template-columns: 150px 1fr 360px; gap: 34px; align-items: end; }
.route-b .systems-head h2 { max-width: 730px; font-size: clamp(2.8rem,4.4vw,4.8rem); }
.route-b .systems-head p { margin: 0; color: var(--muted); }
.route-b .evidence-stack { margin-top: 28px; gap: 12px; }
.route-b .evidence-card,
.route-b .evidence-card:nth-child(even) { height: auto; min-height: 0; grid-template-columns: minmax(0,1fr) 300px; border: 0; border-top: 1px solid var(--line); background: transparent; overflow: visible; }
.route-b .evidence-card:nth-child(even) .evidence-visual { order: 0; }
.route-b .evidence-visual { height: auto; min-width: 0; overflow: hidden; background: var(--surface); }
.route-b .evidence-visual img { width: 100%; height: auto; max-height: 520px; display: block; object-fit: contain; object-position: left center; background: var(--surface); }
.route-b .evidence-card figcaption { padding: 22px 0 22px 24px; grid-template-columns: 24px 1fr; gap: 12px; align-content: center; }
.route-b .state { margin-bottom: 14px; }
.route-b .evidence-card h3 { font-size: clamp(1.35rem,1.9vw,1.85rem); }
.route-b .evidence-card p { max-width: 260px; font-size: .84rem; }

.route-b .founder-close { padding: 28px 0; background: var(--paper); color: var(--ink); }
.route-b .founder-close .section-index { color: #167783; }
.route-b .founder-close-frame { display: grid; grid-template-columns: 1.25fr .75fr; gap: 64px; align-items: center; }
.route-b .founder-copy h2,
.route-b .contact-side h2 { margin: 12px 0 0; font-size: clamp(2.5rem,4vw,4.2rem); line-height: .92; letter-spacing: -.06em; }
.route-b .founder-copy > p { max-width: 700px; margin: 18px 0 0; font-size: 1rem; line-height: 1.5; }
.route-b .founder-themes { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px 22px; border-top: 1px solid var(--line-light); padding-top: 12px; }
.route-b .founder-themes span { min-height: 36px; padding: 0; display: flex; gap: 8px; align-items: center; border: 0; }
.route-b .founder-themes .symbol { width: 20px; height: 20px; color: #167783; }
.route-b .founder-themes strong { font: 500 .58rem/1.3 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .contact-side { padding-left: 34px; border-left: 1px solid var(--line-light); }
.route-b .contact-side > p:not(.truth-note):not(.form-privacy):not(.form-status) { margin: 16px 0; color: #596466; }
.route-b .contact-side .button { width: 100%; background: var(--ink); color: var(--paper); }
.route-b .truth-note { margin: 10px 0 0; color: #596466; font: 500 .58rem/1.35 'IBM Plex Mono', monospace; text-transform: uppercase; }
.route-b .enquiry-form { margin-top: 22px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.route-b .field { display: grid; gap: 7px; }
.route-b .field-message, .route-b .enquiry-form .button, .route-b .form-privacy, .route-b .form-status { grid-column: 1 / -1; }
.route-b .field label { color: #263437; font: 500 .64rem/1.2 'IBM Plex Mono', monospace; letter-spacing: .04em; text-transform: uppercase; }
.route-b .field label span { color: #6b7475; text-transform: lowercase; }
.route-b .field input, .route-b .field textarea { width: 100%; border: 1px solid #9da7a5; border-radius: 0; background: #fff; color: var(--ink); font: 500 16px/1.45 'Manrope', system-ui, sans-serif; }
.route-b .field input { min-height: 48px; padding: 10px 12px; }
.route-b .field textarea { min-height: 120px; padding: 12px; resize: vertical; }
.route-b .field input:focus, .route-b .field textarea:focus { outline: 3px solid var(--orange); outline-offset: 2px; border-color: var(--ink); }
.route-b .field small { color: #596466; font-size: .74rem; line-height: 1.4; }
.route-b .honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }
.route-b .enquiry-form .button { border: 0; cursor: pointer; }
.route-b .enquiry-form .button:disabled { cursor: wait; opacity: .7; }
.route-b .form-privacy, .route-b .form-status { margin: 0 !important; color: #596466; font-size: .72rem; line-height: 1.45; }
.route-b .form-status { min-height: 1.2em; font-family: 'IBM Plex Mono', monospace; }
.route-b .form-status.success { color: #126b48; }
.route-b .form-status.error { color: #a2362d; }

@media (max-width: 720px) {
  .route-b .hero { min-height: auto; padding: 0 0 18px; }
  .route-b .hero-frame { grid-template-columns: 1fr; min-height: auto; }
  .route-b .hero-copy { min-height: 390px; padding: 22px 0 18px; }
  .route-b .hero h1 { margin: auto 0 18px; font-size: clamp(3.25rem,15vw,4.1rem); }
  .route-b .hero-proof-rail { grid-template-columns: repeat(3,1fr); grid-template-rows: 1fr; border: 1px solid var(--line); }
  .route-b .hero-proof-rail span { min-height: 82px; padding: 10px; align-items: flex-end; border: 0; border-right: 1px solid var(--line); font-size: .54rem; }
  .route-b .hero-proof-rail span:last-child { border-right: 0; }
  .route-b .hero-proof-rail span::before { display: none; }
  .route-b .offers { padding: 28px 0 22px; }
  .route-b .compact-head { grid-template-columns: 1fr; gap: 10px; }
  .route-b .compact-head h2 { font-size: 2.75rem; }
  .route-b .offer-list { margin-top: 18px; }
  .route-b .offer summary { min-height: 74px; grid-template-columns: 1fr 28px; gap: 8px; }
  .route-b .offer-title { grid-template-columns: 24px 1fr; gap: 6px 10px; }
  .route-b .offer-title strong { font-size: 1.12rem; }
  .route-b .offer-summary { grid-column: 2; font-size: .82rem; line-height: 1.35; }
  .route-b .offer-detail { margin: 0 0 14px 34px; padding-top: 10px; grid-template-columns: 1fr; gap: 10px; }
  .route-b .offer-outputs ul { grid-template-columns: 1fr; }
  .route-b .method-strip { grid-template-columns: 1fr 1fr; gap: 10px 14px; }
  .route-b .method-strip li { font-size: .72rem; }
  .route-b .systems { padding: 28px 0 30px; }
  .route-b .systems-head { grid-template-columns: 1fr; gap: 10px; }
  .route-b .systems-head h2 { font-size: 2.8rem; }
  .route-b .systems-head p { font-size: .9rem; }
  .route-b .evidence-stack { margin-top: 18px; }
  .route-b .evidence-card,
  .route-b .evidence-card:nth-child(even) { grid-template-columns: 1fr; }
  .route-b .evidence-visual img { width: 100%; height: auto; max-height: none; object-fit: contain; }
  .route-b .evidence-card figcaption { padding: 12px 0 18px; }
  .route-b .evidence-card p { max-width: none; }
  .route-b .founder-close { padding: 28px 0; }
  .route-b .founder-close-frame { grid-template-columns: 1fr; gap: 26px; }
  .route-b .founder-copy h2,
  .route-b .contact-side h2 { font-size: 2.6rem; }
  .route-b .founder-copy > p { font-size: .96rem; }
  .route-b .founder-themes { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; }
  .route-b .founder-themes span,
  .route-b .founder-themes strong { min-width: 0; overflow-wrap: anywhere; }
  .route-b .contact-side { grid-column: 1; width: 100%; padding: 24px 0 0; border-left: 0; border-top: 1px solid var(--line-light); }
}

/* Approved continuous neural-traversal homepage hero */
.route-b .hero-video-active {
  position: relative;
  isolation: isolate;
  min-height: 590px;
  padding: 0;
  background: #060a0d;
}
.route-b .hero-media,
.route-b .hero-scrim {
  position: absolute;
  inset: 0;
}
.route-b .hero-media {
  z-index: -1;
  overflow: hidden;
  background: #060a0d url('../assets/hero-media/raijin-continuous-traversal-v1-poster.jpg') center center / cover no-repeat;
}
.route-b .hero-video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
  filter: saturate(.84) contrast(1.08) brightness(.78);
}
.route-b .hero-scrim {
  background:
    linear-gradient(90deg, rgba(5,9,12,.94) 0%, rgba(5,9,12,.76) 42%, rgba(5,9,12,.27) 72%, rgba(5,9,12,.48) 100%),
    linear-gradient(0deg, rgba(5,9,12,.7) 0%, transparent 38%, rgba(5,9,12,.25) 100%);
}
.route-b .hero-video-active .hero-frame {
  min-height: 590px;
  grid-template-columns: minmax(0,1fr) 260px;
  border-block: 0;
}
.route-b .hero-video-active .hero-copy {
  max-width: 920px;
  padding: 56px 56px 52px 0;
}
.route-b .hero-video-active h1 {
  margin: 30px 0 24px;
  color: var(--paper);
  text-shadow: 0 3px 32px rgba(0,0,0,.38);
}
.route-b .hero-video-active .hero-description { color: rgba(243,241,232,.82); }
.route-b .hero-video-active .section-label { color: rgba(243,241,232,.7); }
.route-b .hero-video-active .text-link { color: var(--paper); border-color: rgba(243,241,232,.34); }
.route-b .hero-video-active .hero-proof-rail {
  align-self: stretch;
  border-left-color: rgba(243,241,232,.22);
  background: rgba(5,9,12,.2);
  backdrop-filter: blur(7px);
}
.route-b .hero-video-active .hero-proof-rail span { border-bottom-color: rgba(243,241,232,.22); }

@media (max-width: 720px) {
  .route-b .hero-video-active { min-height: 670px; }
  .route-b .hero-video-active .hero-frame { min-height: 670px; grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .route-b .hero-video-active .hero-copy { min-height: 0; padding: 36px 0 30px; }
  .route-b .hero-video-active h1 { margin: auto 0 22px; }
  .route-b .hero-video { object-position: 58% 50%; }
  .route-b .hero-scrim {
    background: linear-gradient(0deg, rgba(5,9,12,.94) 0%, rgba(5,9,12,.54) 66%, rgba(5,9,12,.3) 100%);
  }
  .route-b .hero-video-active .hero-proof-rail { margin-bottom: 18px; background: rgba(5,9,12,.42); }
}

@media (prefers-reduced-motion: reduce) {
  .route-b .button, .route-b .menu-toggle i, .route-b .menu-toggle i::after, .route-b .reveal-label i::after { transition: none; }
  .route-b .hero-video { display: none; }
}

/* AIG-128: the approved conversion pass, not a new visual direction. */
.route-b #offers, .route-b #systems, .route-b #founder, .route-b #contact { scroll-margin-top: 88px; }
.route-b .evidence-card figcaption { grid-column: 2; grid-row: 1; }
.route-b .evidence-card .evidence-visual { grid-column: 1; grid-row: 1; align-self: center; }
.route-b .evidence-stack { gap: 28px; }
.route-b .state { line-height: 1.5; }
.route-b .inspect-image { display: inline-flex; align-items: center; gap: 16px; min-height: 44px; margin-top: 12px; padding: 8px 0; color: var(--cyan); background: transparent; border: 0; border-bottom: 1px solid var(--line); cursor: pointer; font: 500 .72rem/1.3 'IBM Plex Mono', monospace; }
.route-b button:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }
.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; }
.route-b .more-work { border-block: 1px solid var(--line); margin-top: 28px; }
.route-b .more-work > summary { padding: 22px 0; cursor: pointer; font-size: 1.15rem; }
.route-b .more-work > summary span { color: var(--muted); margin-left: 24px; font-size: .85rem; }
.route-b .secondary-evidence { display: grid; gap: 24px; padding-bottom: 24px; }
.route-b .method-strip::before { content: 'Choose the support you need'; grid-column: 1 / -1; margin-bottom: 14px; color: #596466; font-size: .8rem; }
.route-b .method-strip li::after { display: none; }
.route-b.inspect-open { overflow: hidden; }
.route-b #image-inspect { width: min(1280px, calc(100% - 28px)); max-width: none; max-height: calc(100svh - 28px); margin: auto; padding: 22px; border: 1px solid var(--line); background: var(--ink); color: var(--paper); overflow: auto; }
.route-b #image-inspect::backdrop { background: rgba(0,0,0,.88); }
.route-b .inspect-toolbar { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.route-b .inspect-toolbar h2 { font-size: 1.6rem; line-height: 1.15; letter-spacing: -.03em; }
.route-b .inspect-toolbar .state { margin: 8px 0 0; }
.route-b .inspect-toolbar button { flex-shrink: 0; border: 0; cursor: pointer; }
.route-b #image-inspect > img { display: block; width: 100%; height: auto; }
@media (max-width: 720px) {
  .route-b #offers, .route-b #systems, .route-b #founder, .route-b #contact { scroll-margin-top: 80px; }
  .route-b .enquiry-form { grid-template-columns: minmax(0,1fr); }
  .route-b .evidence-card figcaption { grid-column: 1; grid-row: 1; padding: 20px 0 16px; }
  .route-b .evidence-card .evidence-visual { grid-column: 1; grid-row: 2; }
  .route-b .evidence-stack { gap: 28px; }
  .route-b .more-work > summary span { display: block; margin: 8px 0 0; }
  .route-b #image-inspect { padding: 14px; }
  .route-b .inspect-toolbar { flex-wrap: wrap; }
}