@layer reset, tokens, base, components, layout, responsive, motion;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { max-width: 100%; overflow-x: clip; scroll-behavior: smooth; }
  body { max-width: 100%; margin: 0; min-width: 320px; overflow-x: clip; padding-right: env(safe-area-inset-right); padding-left: env(safe-area-inset-left); }
  h1, h2, h3, p { margin-block-start: 0; }
  img, svg { display: block; max-width: 100%; }
  button, a { font: inherit; touch-action: manipulation; }
}

@layer tokens {
  :root {
    color-scheme: light;
    --paper-0: oklch(97% 0.017 82);
    --paper-1: oklch(93.5% 0.025 79);
    --paper-2: oklch(89% 0.033 75);
    --ink-0: oklch(20% 0.026 228);
    --ink-1: oklch(31% 0.028 227);
    --ink-2: oklch(45% 0.028 224);
    --line: oklch(69% 0.033 74);
    --copper: oklch(48% 0.118 47);
    --copper-light: oklch(73% 0.105 58);
    --copper-dark: oklch(35% 0.09 45);
    --blue: oklch(42% 0.099 242);
    --blue-light: oklch(88% 0.036 237);
    --success: oklch(40% 0.08 154);
    --focus: oklch(57% 0.19 252);
    --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
    --font-body: 'Public Sans', 'Segoe UI', sans-serif;
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    --shadow-paper: 0 18px 44px oklch(20% 0.026 228 / 0.13), 0 3px 10px oklch(20% 0.026 228 / 0.08);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  }
}

@layer base {
  body {
    background-color: var(--paper-0);
    background-image:
      linear-gradient(oklch(31% 0.028 227 / 0.025) 1px, transparent 1px),
      linear-gradient(90deg, oklch(31% 0.028 227 / 0.018) 1px, transparent 1px),
      radial-gradient(circle at 17% 9%, oklch(100% 0 0 / 0.5), transparent 28%);
    background-size: 24px 24px, 24px 24px, 100% 100%;
    color: var(--ink-0);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
  }
  h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 0.95;
    text-wrap: balance;
    overflow-wrap: anywhere;
  }
  h1 { font-size: clamp(4rem, 8.5vw, 8.8rem); }
  h2 { font-size: clamp(3rem, 6vw, 6.4rem); }
  h3 { font-size: clamp(1.6rem, 2.4vw, 2.25rem); }
  h1, h2, h3 { scroll-margin-top: 1.5rem; }
  p, li, dt, dd, summary { text-wrap: pretty; overflow-wrap: anywhere; }
  a { color: inherit; }
  ::selection { background: var(--blue); color: var(--paper-0); }
}

@layer components {
  .skip-link {
    position: fixed;
    z-index: 1000;
    inset: 0.75rem auto auto 0.75rem;
    min-height: 44px;
    padding: 0.75rem 1rem;
    background: var(--ink-0);
    color: var(--paper-0);
    transform: translateY(-160%);
  }
  .skip-link:focus { transform: translateY(0); }

  .button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    padding: 0.9rem 1.25rem;
    border: 1px solid var(--ink-0);
    border-radius: 2px;
    background: var(--ink-0);
    box-shadow: 6px 6px 0 var(--copper);
    color: var(--paper-0);
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.035em;
    line-height: 1;
    text-decoration: none;
    text-transform: none;
    overflow-wrap: anywhere;
    transition: transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out), background-color 180ms var(--ease-out);
  }
  .button:hover { transform: translate(-2px, -2px); box-shadow: 9px 9px 0 var(--copper); }
  .button:active { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--copper); }
  .button-compact { min-height: 44px; padding: 0.7rem 0.95rem; box-shadow: 4px 4px 0 var(--copper); font-size: 0.94rem; }
  .button-light { border-color: var(--paper-0); background: var(--paper-0); box-shadow: 6px 6px 0 var(--copper); color: var(--ink-0); }
  .button:focus-visible,
  .wordmark:focus-visible,
  .explore-cue:focus-visible,
  summary:focus-visible,
  .final-ticket:focus-visible,
  footer a:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 4px;
  }

  .eyebrow, .section-label p {
    margin-bottom: var(--space-md);
    color: var(--copper-dark);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    line-height: 1;
    text-transform: uppercase;
  }
  .hero .eyebrow { line-height: 1.25; }
  .section-label { align-self: start; display: flex; min-width: 0; align-items: center; gap: var(--space-md); padding-top: 0.25rem; }
  .section-label span {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--ink-0);
    border-radius: 50%;
    color: var(--blue);
    font-family: var(--font-display);
    font-weight: 800;
  }
  .section-label p { margin: 0; color: var(--ink-1); overflow-wrap: anywhere; }
}

@layer layout {
  .manual-grid { display: grid; min-width: 0; grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr); }
  .manual-grid > *,
  .hero-copy,
  .routing-board,
  .argument-copy,
  .origin-layout > *,
  .mechanism-map > *,
  .proof-grid > *,
  .deliverables > *,
  .fit-columns > *,
  .economics-layout > *,
  .offer-manual > *,
  .after-path > *,
  .faq > * { min-width: 0; }
  .section-pad { padding: clamp(5rem, 10vw, 10rem) clamp(1.25rem, 7vw, 8rem); }

  .site-header {
    position: relative;
    z-index: 20;
    display: grid;
    min-height: 82px;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-xl);
    padding: 0.8rem clamp(1.25rem, 4vw, 4.5rem);
    border-bottom: 1px solid var(--ink-0);
    background: var(--paper-0);
  }
  .wordmark { display: inline-flex; width: fit-content; min-height: 44px; align-items: center; gap: 0.85rem; text-decoration: none; }
  .wordmark-mark { display: grid; width: 48px; height: 48px; place-items: center; background: var(--ink-0); color: var(--paper-0); font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; }
  .wordmark > span:last-child { display: flex; flex-direction: column; line-height: 1.05; }
  .wordmark b { font-family: var(--font-display); font-size: 1.05rem; letter-spacing: 0.05em; text-transform: uppercase; }
  .wordmark small { margin-top: 0.25rem; color: var(--ink-2); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; }
  .header-note { margin: 0; color: var(--ink-2); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
  .site-header .button { justify-self: end; }

  .hero { position: relative; min-height: calc(100svh - 82px); gap: clamp(3rem, 6vw, 7.5rem); align-items: center; padding: clamp(4.5rem, 8vw, 8rem) clamp(1.25rem, 6vw, 7rem); }
  .hero-copy { position: relative; z-index: 1; }
  .hero h1 { max-width: 10.5ch; margin: 0; text-transform: uppercase; }
  .hero-lead { max-width: 58ch; margin: 2rem 0 0; color: var(--ink-1); font-size: clamp(1.08rem, 1.5vw, 1.34rem); line-height: 1.65; }
  .hero-actions { display: flex; align-items: center; gap: 1.75rem; margin-top: 2.5rem; }
  .hero-actions > p { display: flex; flex-direction: column; margin: 0; font-size: 0.76rem; line-height: 1.35; }
  .hero-actions > p span { color: var(--ink-2); }
  .hero-facts { display: grid; max-width: 790px; grid-template-columns: repeat(3, 1fr); margin: 3.5rem 0 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
  .hero-facts li { display: grid; grid-template-columns: 30px 1fr; gap: 0.5rem; padding: 1rem 0.75rem 0 0; color: var(--ink-2); font-size: 0.78rem; line-height: 1.5; }
  .hero-facts b { color: var(--copper-dark); font-family: var(--font-display); }

  .explore-cue {
    position: absolute;
    bottom: 22px;
    left: 50%;
    display: flex;
    min-width: 64px;
    min-height: 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--ink-2);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    line-height: 1;
    text-decoration: none;
    text-transform: uppercase;
    transform: translateX(-50%);
    transition: color 200ms var(--ease-out), transform 200ms var(--ease-out);
  }
  .explore-cue:hover { color: var(--copper-dark); transform: translate(-50%, 3px); }
  .explore-cue svg { width: 20px; height: 20px; overflow: visible; }
  .explore-cue path { fill: none; stroke: currentColor; stroke-width: 1.6; }

  .routing-board { position: relative; border: 1px solid var(--ink-0); background: var(--paper-0); box-shadow: 18px 18px 0 var(--paper-2), var(--shadow-paper); }
  .routing-board::before { position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg, transparent 0 7px, oklch(20% 0.026 228 / 0.018) 7px 8px); content: ''; pointer-events: none; }
  .board-head { position: relative; display: grid; min-height: 52px; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; padding: 0.8rem 1rem; border-bottom: 1px solid var(--ink-0); font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
  .board-head span:last-child { text-align: right; }
  .routing-flow { position: relative; display: grid; min-height: 450px; grid-template-columns: 0.85fr 1.25fr 0.85fr; align-items: stretch; }
  .routing-column { display: flex; flex-direction: column; padding: 1.4rem 1rem; }
  .routing-column > p { margin: 0; font-family: var(--font-display); font-size: 1rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }
  .routing-column > small { margin-top: auto; color: var(--ink-2); font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; }
  .routing-column > ul { display: flex; flex-direction: column; gap: 0.75rem; margin: 2.2rem 0; padding: 0; list-style: none; }
  .rented { border-right: 1px solid var(--copper); color: var(--copper-dark); }
  .rented li { display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-family: var(--font-display); font-size: 0.72rem; font-weight: 800; text-transform: uppercase; }
  .owned { border-left: 1px solid var(--blue); color: var(--blue); }
  .owned li { display: flex; height: 27px; align-items: center; gap: 0.5rem; }
  .owned li::before { width: 24px; height: 24px; border: 1px solid var(--blue); border-radius: 50%; content: ''; }
  .owned li span { width: 54px; border-top: 1px solid var(--blue); }
  .envelope { position: relative; width: 72px; height: 46px; margin: 2.2rem auto 0.5rem; border: 2px solid var(--blue); }
  .envelope::before, .envelope::after { position: absolute; top: 5px; width: 2px; height: 42px; background: var(--blue); content: ''; transform-origin: top; }
  .envelope::before { left: 0; transform: rotate(-57deg); }
  .envelope::after { right: 0; transform: rotate(57deg); }
  .routing-core { display: flex; flex-direction: column; justify-content: center; padding: 1rem 0.6rem; text-align: center; }
  .routing-core svg { width: 100%; overflow: visible; }
  .routing-core path, .routing-core rect { fill: none; stroke: var(--ink-1); stroke-width: 1.5; stroke-dasharray: 4 5; vector-effect: non-scaling-stroke; }
  .routing-core rect, .routing-core path:not(:first-child):not(:nth-child(2)):not(:nth-child(3)):not(:nth-child(4)) { stroke-dasharray: none; }
  .routing-core .arrow { stroke: var(--blue); stroke-width: 2.5; }
  .routing-core b { font-family: var(--font-display); letter-spacing: 0.06em; text-transform: uppercase; }
  .routing-core small { max-width: 18ch; margin: 0.45rem auto 0; color: var(--ink-2); font-size: 0.72rem; line-height: 1.5; }
  .board-caption { position: relative; margin: 0; padding: 1rem 1.2rem; border-top: 1px solid var(--ink-0); color: var(--ink-1); font-size: 0.76rem; line-height: 1.5; }
  .board-caption b { color: var(--blue); text-transform: uppercase; }

  .signal-band { display: flex; min-height: 82px; align-items: center; justify-content: center; gap: clamp(1rem, 3vw, 3rem); padding: 1rem; background: var(--ink-0); color: var(--paper-0); font-family: var(--font-display); font-size: 0.9rem; font-weight: 800; letter-spacing: 0.13em; }
  .signal-band i { width: 5px; height: 5px; border-radius: 50%; background: var(--copper); }

  .argument { grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr) minmax(220px, 0.4fr); gap: clamp(2rem, 6vw, 7rem); background: var(--paper-1); }
  .argument-copy h2 { max-width: 14ch; margin-bottom: 2.5rem; }
  .argument-copy p { max-width: 68ch; color: var(--ink-2); }
  .argument-copy .lead { color: var(--ink-0); font-size: clamp(1.15rem, 1.5vw, 1.35rem); line-height: 1.65; }
  .pain-list { max-width: 68ch; margin: 2rem 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
  .pain-list li { position: relative; padding: 0.9rem 0 0.9rem 1.8rem; border-bottom: 1px solid var(--line); color: var(--ink-1); }
  .pain-list li::before { position: absolute; left: 0; color: var(--copper-dark); content: '×'; font-weight: 800; }
  .argument-copy blockquote { max-width: 62ch; margin: 2.5rem 0 0; padding: 1.4rem 0; border-top: 1px solid var(--ink-0); border-bottom: 1px solid var(--ink-0); color: var(--ink-0); font-family: var(--font-display); font-size: clamp(1.6rem, 2.5vw, 2.6rem); font-weight: 800; line-height: 1.3; }
  .margin-note { align-self: end; padding: 1.5rem 0; border-top: 1px solid var(--copper); border-bottom: 1px solid var(--copper); color: var(--copper-dark); }
  .margin-note span { font-family: var(--font-display); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.09em; }
  .margin-note h3 { margin: 2rem 0 1.5rem; font-size: clamp(2.2rem, 3.5vw, 3.6rem); }
  .margin-note p { margin: 1rem 0 0; color: var(--ink-1); font-size: 0.9rem; line-height: 1.7; }
  .margin-note p:last-child { color: var(--copper-dark); }

  .origin-story { background: var(--blue-light); }
  .origin-intro { grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); }
  .origin-intro h2 { max-width: 15ch; }
  .origin-layout { display: grid; width: 100%; max-width: 1250px; min-width: 0; grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr); margin: clamp(4rem, 8vw, 8rem) auto 0; border: 1px solid var(--ink-0); }
  .origin-narrative { padding: clamp(2rem, 5vw, 5rem); }
  .origin-narrative p { max-width: 69ch; color: var(--ink-1); font-size: clamp(1rem, 1.35vw, 1.18rem); line-height: 1.8; }
  .origin-narrative p + p { margin-top: 1.6rem; }
  .origin-narrative b { color: var(--copper-dark); }
  .origin-narrative .creator-line { padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--blue); font-size: 0.92rem; font-weight: 700; }
  .origin-record { display: flex; min-width: 0; min-height: 470px; flex-direction: column; justify-content: flex-end; padding: clamp(2rem, 4vw, 4rem); border-left: 1px solid var(--ink-0); background: var(--paper-0); }
  .origin-record > span { margin-bottom: auto; color: var(--blue); font-family: var(--font-display); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.12em; }
  .origin-record > strong { color: var(--copper-dark); font-family: var(--font-display); font-size: min(10rem, 24vw); line-height: 0.78; }
  .origin-record h3 { max-width: 10ch; margin: 1rem 0 2rem; }
  .origin-record p { margin: 0; color: var(--ink-2); font-size: 0.84rem; line-height: 1.7; }

  .mechanism { background: var(--ink-0); color: var(--paper-0); }
  .mechanism-head { grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); }
  .mechanism .section-label span { border-color: var(--paper-0); color: var(--copper-light); }
  .mechanism .section-label p, .mechanism .eyebrow { color: var(--paper-2); }
  .mechanism-head h2 { max-width: 14ch; margin-bottom: 0; }
  .mechanism-map { display: grid; max-width: 1320px; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 1.2rem; align-items: stretch; margin: clamp(4rem, 8vw, 8rem) auto 0; }
  .mechanism-map article { min-height: 330px; padding: 1.6rem; border: 1px solid oklch(58% 0.028 224); }
  .mechanism-map article:nth-of-type(2) { border-color: var(--copper); background: var(--copper-dark); }
  .mechanism-map article:nth-of-type(3) { border-color: var(--blue-light); background: var(--blue-light); color: var(--ink-0); }
  .mechanism-map article > span { font-family: var(--font-display); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em; }
  .mechanism-map h3 { max-width: 9ch; margin: 8rem 0 1rem; }
  .mechanism-map p { margin: 0; color: oklch(78% 0.025 225); font-size: 0.84rem; line-height: 1.65; }
  .mechanism-map article:nth-of-type(2) p { color: var(--paper-1); }
  .mechanism-map article:nth-of-type(3) p { color: var(--ink-1); }
  .route-arrow { align-self: center; color: var(--copper-light); font-family: var(--font-display); font-size: 2rem; }

  .build-plan { background: var(--paper-0); }
  .plan-intro { grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); }
  .plan-intro h2 { max-width: 13ch; margin-bottom: 2rem; }
  .plan-intro > div:last-child > p:last-child { max-width: 66ch; color: var(--ink-2); }
  .days { max-width: 1450px; margin: clamp(4rem, 8vw, 8rem) auto 0; padding: 0; border-top: 1px solid var(--ink-0); list-style: none; }
  .days li { display: grid; min-height: 220px; grid-template-columns: 104px 180px minmax(0, 1fr); gap: clamp(1rem, 3vw, 3rem); align-items: center; border-bottom: 1px solid var(--ink-0); }
  .day-number { align-self: stretch; display: grid; place-items: center; border-right: 1px solid var(--ink-0); color: var(--copper-dark); font-family: var(--font-display); font-size: 3.4rem; font-weight: 800; }
  .days h3 { margin: 0 0 0.8rem; }
  .days p { max-width: 68ch; margin: 0; color: var(--ink-2); }
  .days small { display: block; margin-top: 1.1rem; color: var(--blue); font-family: var(--font-display); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.1em; }
  .plan-checkpoint { display: flex; max-width: 1450px; align-items: center; justify-content: space-between; gap: 2rem; margin: 3rem auto 0; padding: 2rem 0; border-top: 1px solid var(--ink-0); border-bottom: 1px solid var(--ink-0); }
  .plan-checkpoint p { display: flex; flex-direction: column; margin: 0; }
  .plan-checkpoint p span { margin-top: 0.35rem; color: var(--ink-2); font-size: 0.85rem; }
  .day-icon { position: relative; display: grid; width: 132px; height: 108px; place-items: center; border: 1px solid var(--line); }
  .map-symbol { width: 58px; height: 58px; border: 1px solid var(--copper); background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 14px 14px; }
  .map-symbol::after { display: block; width: 18px; height: 18px; margin: 19px; border: 2px solid var(--blue); content: ''; transform: rotate(45deg); }
  .nodes i { position: absolute; width: 26px; height: 26px; border: 1px solid var(--blue); background: var(--paper-0); }
  .nodes i:nth-child(1) { top: 13px; left: 53px; }
  .nodes i:nth-child(2) { bottom: 13px; left: 13px; }
  .nodes i:nth-child(3) { bottom: 13px; right: 13px; }
  .nodes i:nth-child(4) { bottom: 13px; left: 53px; background: var(--copper); }
  .nodes::before, .nodes::after { position: absolute; top: 50px; width: 48px; border-top: 1px solid var(--ink-1); content: ''; }
  .nodes::before { left: 23px; transform: rotate(-38deg); }
  .nodes::after { right: 23px; transform: rotate(38deg); }
  .document { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 9px; padding: 28px; }
  .document i { width: 100%; border-top: 2px solid var(--ink-1); }
  .document i:nth-child(2) { width: 70%; border-color: var(--copper); }
  .branch i { position: absolute; width: 23px; height: 23px; border: 1px solid var(--blue); background: var(--paper-0); }
  .branch i:first-child { top: 15px; left: 54px; background: var(--copper); }
  .branch i:nth-child(2) { bottom: 15px; left: 24px; }
  .branch i:nth-child(3) { right: 24px; bottom: 15px; }
  .branch::before { position: absolute; top: 38px; left: 65px; width: 1px; height: 29px; background: var(--ink-1); content: ''; }
  .branch::after { position: absolute; top: 65px; left: 35px; width: 60px; border-top: 1px solid var(--ink-1); content: ''; }
  .launch { border-color: var(--copper); color: var(--copper-dark); font-family: var(--font-display); font-size: 4.6rem; font-weight: 800; }

  .deliverables { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr); gap: clamp(3rem, 9vw, 10rem); background: var(--paper-2); }
  .deliverables-copy h2 { max-width: 12ch; }
  .deliverables-copy > p:last-child { max-width: 65ch; color: var(--ink-2); }
  .deliverable-list { align-self: center; margin: 0; padding: 0; border-top: 1px solid var(--ink-0); list-style: none; }
  .deliverable-list li { display: grid; grid-template-columns: 54px 1fr; gap: 1.2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--ink-0); }
  .deliverable-list li > span { color: var(--blue); font-family: var(--font-display); font-weight: 800; }
  .deliverable-list b { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: 0.025em; text-transform: uppercase; }
  .deliverable-list p { margin: 0.4rem 0 0; color: var(--ink-2); font-size: 0.9rem; }

  .proof-hold { background: var(--ink-0); color: var(--paper-0); }
  .proof-heading { grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); }
  .proof-heading .section-label span { border-color: var(--paper-0); color: var(--copper-light); }
  .proof-heading .section-label p, .proof-heading .eyebrow { color: var(--paper-2); }
  .proof-heading h2 { max-width: 15ch; }
  .proof-grid { display: grid; max-width: 1320px; grid-template-columns: repeat(3, 1fr); margin: 4rem auto 0; border: 1px solid oklch(52% 0.035 225); }
  .proof-card { min-width: 0; padding: clamp(1.5rem, 3vw, 3rem); }
  .proof-card + .proof-card { border-left: 1px solid oklch(52% 0.035 225); }
  .proof-card > span { color: var(--copper-light); font-family: var(--font-display); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.12em; }
  .proof-card > strong { display: block; margin-top: clamp(3rem, 6vw, 6rem); color: var(--paper-0); font-family: var(--font-display); font-size: min(8rem, 20vw); line-height: 0.8; }
  .proof-card h3 { max-width: 12ch; margin: 1.2rem 0 2rem; color: var(--copper-light); font-size: clamp(1.4rem, 2.6vw, 2.2rem); }
  .proof-card p { margin: 0; color: var(--paper-1); font-size: 0.9rem; line-height: 1.75; }
  .proof-disclaimer { max-width: 88ch; margin: 2rem auto 0; color: var(--paper-2); font-size: 0.8rem; line-height: 1.7; }
  .proof-cta { display: flex; max-width: 1180px; align-items: center; justify-content: space-between; gap: 2rem; margin: 3rem auto 0; padding-top: 2rem; border-top: 1px solid oklch(52% 0.035 225); }
  .proof-cta p { display: flex; flex-direction: column; margin: 0; color: var(--paper-0); }
  .proof-cta p span { color: var(--paper-2); font-size: 0.82rem; }

  .fit { background: var(--paper-1); }
  .fit-heading { max-width: 1050px; margin: 0 auto; }
  .fit-heading h2 { max-width: 15ch; }
  .fit-columns { display: grid; max-width: 1180px; grid-template-columns: 1fr 1fr; margin: 4rem auto 0; border: 1px solid var(--ink-0); }
  .fit-columns > div { min-height: 410px; padding: clamp(2rem, 4vw, 4rem); }
  .fit-columns > div:first-child { background: var(--blue-light); }
  .fit-columns > div:last-child { border-left: 1px solid var(--ink-0); }
  .fit-columns span { color: var(--blue); font-family: var(--font-display); font-size: 0.8rem; font-weight: 800; letter-spacing: 0.12em; }
  .fit-columns > div:last-child span { color: var(--copper-dark); }
  .fit-columns ul { margin: 6rem 0 0; padding: 0; list-style: none; }
  .fit-columns li { position: relative; padding: 0.9rem 0 0.9rem 2rem; border-top: 1px solid var(--line); }
  .fit-columns li::before { position: absolute; left: 0; color: var(--blue); content: '✓'; font-weight: 800; }
  .fit-columns > div:last-child li::before { color: var(--copper-dark); content: '×'; }

  .economics { background: var(--paper-2); }
  .economics-heading { grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); }
  .economics-heading h2 { max-width: 15ch; }
  .economics-layout { display: grid; max-width: 1250px; grid-template-columns: minmax(0, 0.75fr) minmax(440px, 1.25fr); gap: clamp(3rem, 7vw, 8rem); align-items: start; margin: clamp(4rem, 8vw, 8rem) auto 0; }
  .economics-copy p { max-width: 64ch; color: var(--ink-1); font-size: clamp(1rem, 1.35vw, 1.18rem); line-height: 1.8; }
  .economics-copy p + p { margin-top: 1.5rem; }
  .comparison-list { margin: 0; border-top: 1px solid var(--ink-0); }
  .comparison-list > div { display: grid; min-height: 94px; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; border-bottom: 1px solid var(--ink-0); }
  .comparison-list dt { color: var(--ink-1); }
  .comparison-list dd { margin: 0; color: var(--copper-dark); font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 3rem); font-weight: 800; }
  .comparison-list b { color: var(--blue); font-size: 1.35em; }
  .comparison-note { max-width: 1250px; margin: 2rem auto 0; color: var(--ink-2); font-size: 0.8rem; }

  .offer-section { background: var(--copper-dark); color: var(--paper-0); }
  .offer-manual { display: grid; max-width: 1250px; grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr); margin: 0 auto; border: 1px solid var(--paper-0); }
  .offer-copy { padding: clamp(2.5rem, 6vw, 6rem); }
  .offer-copy .eyebrow { color: var(--paper-2); }
  .offer-copy h2 { max-width: 12ch; }
  .offer-copy > p:not(.eyebrow) { max-width: 62ch; color: var(--paper-1); }
  .offer-copy ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 3rem 0 0; padding: 0; border-top: 1px solid oklch(76% 0.04 74); list-style: none; }
  .offer-copy li { padding: 1rem 0.5rem 1rem 1.6rem; border-bottom: 1px solid oklch(76% 0.04 74); font-size: 0.9rem; }
  .offer-copy li::before { margin-left: -1.6rem; padding-right: 0.7rem; content: '✓'; }
  .guarantee-note { margin-top: 3rem; padding: 1.5rem 0; border-top: 1px solid oklch(76% 0.04 74); border-bottom: 1px solid oklch(76% 0.04 74); }
  .guarantee-note span { color: var(--paper-0); font-family: var(--font-display); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.12em; }
  .guarantee-note p { max-width: 64ch; margin: 0.8rem 0 0; color: var(--paper-1); font-size: 0.9rem; line-height: 1.7; }
  .price-panel { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: clamp(2rem, 5vw, 5rem); border-left: 1px solid var(--paper-0); background: var(--ink-0); }
  .price-panel > strong { margin: 0; color: var(--copper-light); font-family: var(--font-display); font-size: min(12rem, 28vw); line-height: 0.75; }
  .price-panel > small { margin: 1rem 0 2.5rem; color: var(--paper-2); }

  .after-purchase { background: var(--paper-0); }
  .after-heading { grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); }
  .after-heading h2 { max-width: 14ch; }
  .after-path { display: grid; max-width: 1320px; grid-template-columns: repeat(3, 1fr); margin: clamp(4rem, 8vw, 8rem) auto 0; border-top: 1px solid var(--ink-0); border-bottom: 1px solid var(--ink-0); }
  .after-path article { min-height: 340px; padding: clamp(1.5rem, 3vw, 3rem); }
  .after-path article + article { border-left: 1px solid var(--ink-0); }
  .after-path span { color: var(--blue); font-family: var(--font-display); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.11em; }
  .after-path h3 { max-width: 10ch; margin: 6rem 0 1.4rem; }
  .after-path p { margin: 0; color: var(--ink-2); font-size: 0.9rem; line-height: 1.7; }
  .after-contrast { display: grid; max-width: 1050px; grid-template-columns: 1fr 1fr; margin: 4rem auto 0; border: 1px solid var(--line); }
  .after-contrast p { margin: 0; padding: 1.5rem; color: var(--ink-1); }
  .after-contrast p + p { border-left: 1px solid var(--line); }
  .after-contrast b { color: var(--copper-dark); }

  .faq { grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 7rem); background: var(--paper-0); }
  .deliverables h2, .fit h2, .after-purchase h2, .faq h2 { font-size: clamp(2.8rem, 5vw, 5.4rem); }
  .faq h2 { max-width: 12ch; }
  .faq-list { margin-top: 3.5rem; border-top: 1px solid var(--ink-0); }
  details { border-bottom: 1px solid var(--ink-0); }
  summary { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; font-weight: 700; list-style: none; }
  summary::-webkit-details-marker { display: none; }
  summary span { color: var(--copper-dark); font-family: var(--font-display); font-size: 1.75rem; transition: transform 180ms var(--ease-out); }
  details[open] summary span { transform: rotate(45deg); }
  details p { max-width: 70ch; margin: 0; padding: 0 3rem 1.5rem 0; color: var(--ink-2); }

  .final-cta { display: grid; min-height: 76vh; grid-template-columns: minmax(0, 1fr) minmax(320px, 0.5fr); gap: clamp(3rem, 10vw, 12rem); align-items: center; padding: clamp(6rem, 12vw, 13rem) clamp(1.25rem, 9vw, 11rem); background: var(--blue-light); }
  .final-cta > * { min-width: 0; }
  .final-cta h2 { max-width: 13ch; }
  .final-cta > div > p:last-child { max-width: 62ch; color: var(--ink-1); }
  .final-ticket { position: relative; display: flex; min-height: 390px; flex-direction: column; justify-content: center; padding: 2.5rem; border: 1px solid var(--ink-0); background: var(--paper-0); box-shadow: 16px 16px 0 var(--blue); text-decoration: none; transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out); }
  .final-ticket:hover { transform: translate(-3px, -3px); box-shadow: 22px 22px 0 var(--blue); }
  .final-ticket > span { font-family: var(--font-display); font-size: 0.8rem; font-weight: 800; letter-spacing: 0.14em; }
  .final-ticket b { margin-top: 3rem; color: var(--copper-dark); font-family: var(--font-display); font-size: min(8rem, 24vw); line-height: 0.8; }
  .final-ticket small { margin-top: 1rem; color: var(--ink-2); }
  .final-ticket i { position: absolute; right: 2rem; bottom: 1.3rem; color: var(--blue); font-family: var(--font-display); font-size: 4rem; font-style: normal; }

  footer { display: flex; min-height: 110px; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.5rem clamp(1.25rem, 6vw, 7rem); background: var(--ink-0); color: var(--paper-2); font-size: 0.8rem; }
  footer p { margin: 0; }
  footer a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; }
}

@layer responsive {
  @media (max-height: 1300px) and (min-width: 1101px) {
    .explore-cue { top: calc(100svh - 148px); bottom: auto; }
  }

  @media (max-width: 1100px) {
    .site-header { grid-template-columns: 1fr auto; }
    .header-note { display: none; }
    .manual-grid, .argument, .origin-intro, .mechanism-head, .plan-intro, .proof-heading, .economics-heading, .after-heading, .faq { grid-template-columns: 1fr; }
    .hero { min-height: auto; }
    .explore-cue { top: calc(100svh - 148px); right: 24px; bottom: auto; left: auto; transform: none; }
    .explore-cue:hover { transform: translateY(3px); }
    .routing-board { max-width: 760px; }
    .argument .margin-note { max-width: 440px; }
    .origin-layout { grid-template-columns: 1fr; }
    .origin-record { min-height: 390px; padding: 24px; border-top: 1px solid var(--ink-0); border-left: 0; }
    .mechanism-map { grid-template-columns: 1fr; }
    .mechanism-map article { min-height: 250px; }
    .mechanism-map h3 { margin-top: 4rem; }
    .route-arrow { transform: rotate(90deg); justify-self: center; }
    .deliverables { grid-template-columns: 1fr; }
    .proof-grid { grid-template-columns: 1fr; }
    .proof-card + .proof-card { border-top: 1px solid oklch(52% 0.035 225); border-left: 0; }
    .proof-card > strong { margin-top: 3rem; }
    .proof-cta { align-items: flex-start; flex-direction: column; }
    .plan-checkpoint { align-items: flex-start; flex-direction: column; }
    .offer-manual { grid-template-columns: 1fr; }
    .price-panel { border-top: 1px solid var(--paper-0); border-left: 0; }
    .final-cta { grid-template-columns: 1fr; }
    .final-ticket { max-width: 560px; }
  }

  @media (max-width: 760px) {
    .site-header { min-height: 70px; }
    .site-header .button { display: none; }
    .wordmark-mark { width: 44px; height: 44px; }
    .hero { padding-top: 4rem; }
    .explore-cue { top: calc(100svh - 136px); }
    .hero h1 { font-size: clamp(3.5rem, 17vw, 5.8rem); }
    .hero-actions { align-items: flex-start; flex-direction: column; }
    .hero-facts { grid-template-columns: 1fr; }
    .hero-facts li { min-height: 44px; }
    .routing-flow { min-height: 380px; grid-template-columns: 0.9fr 1.1fr 0.9fr; }
    .routing-column { padding-inline: 0.7rem; }
    .routing-column > p { font-size: 0.78rem; }
    .routing-column > small { font-size: 0.7rem; }
    .routing-core { padding-inline: 0.2rem; }
    .routing-core small { display: none; }
    .envelope { width: 54px; height: 36px; }
    .envelope::before, .envelope::after { height: 32px; }
    .signal-band { flex-wrap: wrap; justify-content: flex-start; }
    .signal-band i { display: none; }
    .signal-band span { width: calc(50% - 0.5rem); }
    .days li { grid-template-columns: 64px 1fr; gap: 1.3rem; padding: 1.5rem 0; }
    .day-number { grid-row: 1 / 3; }
    .day-icon { width: 110px; height: 90px; }
    .days li > div:last-child { grid-column: 2; }
    .fit-columns { grid-template-columns: 1fr; }
    .fit-columns > div:last-child { border-top: 1px solid var(--ink-0); border-left: 0; }
    .fit-columns ul { margin-top: 3rem; }
    .offer-copy ul { grid-template-columns: 1fr; }
    .economics-layout { grid-template-columns: 1fr; }
    .after-path { grid-template-columns: 1fr; }
    .after-path article { min-height: auto; }
    .after-path article + article { border-top: 1px solid var(--ink-0); border-left: 0; }
    .after-path h3 { margin-top: 3rem; }
    .after-contrast { grid-template-columns: 1fr; }
    .after-contrast p + p { border-top: 1px solid var(--line); border-left: 0; }
    .final-ticket { min-height: 340px; }
    footer { align-items: flex-start; flex-direction: column; }
  }

  @media (max-width: 430px) {
    .section-pad { padding-inline: 1rem; }
    .hero { padding-inline: 1rem; }
    .routing-board { box-shadow: 9px 9px 0 var(--paper-2), var(--shadow-paper); }
    .board-head { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .board-head b { overflow-wrap: anywhere; text-align: right; }
    .board-head span:last-child { display: none; }
    .routing-flow { min-height: 0; grid-template-columns: 1fr; }
    .routing-column { min-height: 180px; }
    .routing-column > ul { flex-direction: row; flex-wrap: wrap; }
    .rented { border-right: 0; border-bottom: 1px solid var(--copper); }
    .owned { border-top: 1px solid var(--blue); border-left: 0; }
    .routing-core { min-height: 250px; }
    .routing-core svg { max-height: 170px; }
    .rented li { width: 30px; height: 30px; }
    .owned li::before { width: 20px; height: 20px; }
    .owned li span { width: 34px; }
    .days li { grid-template-columns: 56px 1fr; }
    .day-icon { width: 96px; }
    .price-panel, .offer-copy { padding-inline: 1.25rem; }
    .comparison-list > div { grid-template-columns: 1fr; gap: 0.25rem; align-content: center; }
    .final-cta { padding-inline: 20px; }
    .final-ticket { width: 100%; min-width: 0; padding-inline: 20px; }
  }

  @media (pointer: coarse) {
    .button, .wordmark, summary, .final-ticket, footer a { min-height: 48px; }
  }
}

@layer motion {
  .reveal { opacity: 1; transform: none; }
  .motion-ready .reveal { opacity: 0; transform: translateY(22px); transition: opacity 650ms var(--ease-out) var(--delay, 0ms), transform 650ms var(--ease-out) var(--delay, 0ms); }
  .motion-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
    .reveal { opacity: 1; transform: none; }
  }
}