:root {
  color-scheme: dark;
  --bg: #0b1e18;
  --deep: #07130f;
  --panel: #10291f;
  --ink: #e9ebe3;
  --muted: #abb7ac;
  --gold: #c4a46b;
  --gold-light: #d5c4a3;
  --line: #34483b;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans TC', sans-serif;
  --mono: ui-monospace, 'SFMono-Regular', Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 105px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.75 var(--sans); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 5px; }
button { cursor: pointer; }
img, svg { max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
::selection { color: var(--deep); background: var(--gold-light); }
.page-width { width: min(1248px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; background: var(--gold); color: var(--deep); padding: 10px 18px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 30; background: #0b1e18f5; border-bottom: 1px solid #c4a46b24; }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { flex: 0 0 172px; display: flex; align-items: center; }
.brand img { display: block; width: 172px; height: auto; }
.main-nav, .header-tools, .language-switch { display: flex; align-items: center; }
.main-nav { gap: 24px; font-size: 14px; color: var(--muted); }
.main-nav a:hover, .chapter-nav a:hover { color: var(--gold-light); }
.header-tools { gap: 16px; }
.language-switch { gap: 8px; }
.language-switch button { min-width: 34px; min-height: 40px; border: 0; background: transparent; color: var(--muted); font: 12px var(--mono); border-radius: 3px; }
.language-switch button[aria-pressed=true] { color: var(--gold-light); box-shadow: inset 0 -2px var(--gold); }
.motion-toggle { padding: 7px 0; color: var(--muted); font-size: 12px; border: 0; background: none; }
.header-cta { padding: 10px 15px; border: 1px solid #9f875b; border-radius: 3px; font-size: 13px; white-space: nowrap; }
.hero { min-height: min(850px, 92svh); position: relative; isolation: isolate; overflow: hidden; background: var(--deep); }
.hero-image { position: absolute; inset: 0 0 0 35%; z-index: -3; overflow: hidden; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; object-position: 56% center; transform: translate3d(0, var(--hero-shift, 0px), 0) scale(1.07); }
.hero-veiling { position: absolute; inset: 0; z-index: -2; background: linear-gradient(90deg,#07130ffb 8%,#07130fed 33%,#07130f90 54%,#07130f0a 82%),linear-gradient(0deg,var(--deep),transparent 35%); }
.hero-inner { min-height: inherit; display: flex; flex-direction: column; justify-content: center; padding-block: 74px 36px; }
.hero-copy { max-width: 660px; }
.eyebrow { color: var(--gold-light); font: 11px/1.6 var(--mono); letter-spacing: .16em; margin-bottom: 24px; }
h1 { font-size: clamp(42px, 4.8vw, 69px); line-height: 1.19; font-weight: 620; letter-spacing: -.05em; text-wrap: balance; }
h1 em { display: inline-block; color: var(--gold-light); font-style: normal; }
.hero-lead { max-width: 520px; margin-top: 28px; color: #c5d0c5; font-size: 18px; line-height: 1.8; }
.hero-actions, .final-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 52px; padding: 13px 20px; font-size: 14px; font-weight: 650; border: 1px solid transparent; border-radius: 3px; transition: background .2s, border-color .2s; }
.button-gold { background: var(--gold); color: var(--deep); }
.button-gold:hover { background: var(--gold-light); }
.button-outline { border-color: #6a7661; background: #0b1e1840; }
.button-outline:hover { border-color: var(--gold); background: #193024; }
.hero-boundary { max-width: 470px; color: var(--muted); font-size: 13px; margin-top: 22px; }
.hero-caption { display: flex; justify-content: space-between; gap: 20px; margin-top: 66px; font: 12px/1.5 var(--mono); color: var(--gold-light); }
.hero-caption span:last-child { text-align: right; }
.hero-paths { position: absolute; bottom: 0; left: 0; width: 100%; height: 70px; z-index: -1; }
.hero-paths span { position: absolute; left: 60%; width: 1px; height: 90px; background: #c4a46b55; transform-origin: bottom; transform: rotate(var(--path-angle, 0deg)); }
.hero-paths span:first-child { --path-angle: -30deg; }.hero-paths span:last-child { --path-angle: 30deg; }
.chapter-nav { min-height: 94px; display: flex; align-items: center; gap: 25px; border-bottom: 1px solid var(--line); font-size: 13px; }
.chapter-nav>span { color: var(--gold); margin-right: auto; font: 11px var(--mono); }
.chapter-nav a { white-space: nowrap; color: var(--muted); }
.chapter-nav .chapter-skip { color: var(--gold-light); margin-left: auto; }
.chapter { padding-block: 110px; }
/* Alternate full-width chapter surfaces; the final invitation stays ivory. */
.network-chapter,.privacy-chapter,.journey-chapter { background: var(--deep); }
.bundles-chapter,.audience-chapter,.evidence-chapter { background: #10251b; }
.chapter-heading { position: relative; max-width: 820px; margin-bottom: 58px; padding-left: 72px; }
.chapter-number { display: block; color: var(--gold); font: 11px/1.6 var(--mono); letter-spacing: .08em; }
.chapter-heading>.chapter-number { position: absolute; left: 0; top: 3px; }
.chapter-heading .eyebrow { margin-bottom: 17px; }
h2 { font-size: clamp(32px, 3.5vw, 48px); font-weight: 580; line-height: 1.3; letter-spacing: -.045em; text-wrap: balance; }
.chapter-heading>p:last-child { color: var(--muted); max-width: 650px; margin-top: 22px; }
.scene-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 72px; align-items: start; }
.scene-layout.reversed { grid-template-columns: .85fr 1.15fr; }
.scene-visual { position: relative; min-width: 0; height: 550px; border: 1px solid var(--line); border-radius: 5px; background: #0b1c16; overflow: hidden; }
.visual-label { display: flex; justify-content: space-between; gap: 14px; margin: 0 24px; padding: 21px 0; border-bottom: 1px solid var(--line); font: 11px/1.5 var(--mono); color: var(--gold-light); }
.visual-label span:last-child { color: var(--muted); }
figcaption { position: absolute; bottom: 0; left: 0; right: 0; padding: 18px 24px; font-size: 13px; line-height: 1.6; color: var(--muted); background: #0b1c16f5; border-top: 1px solid var(--line); }
.scene-beats { display: flex; flex-direction: column; gap: 34px; }
.beat { padding: 26px 0 24px 31px; border-left: 1px solid var(--line); position: relative; }
.beat-index { display: block; font: 11px var(--mono); color: var(--gold); margin-bottom: 14px; }
h3 { font-size: 23px; line-height: 1.45; letter-spacing: -.025em; font-weight: 600; }
.beat p { margin-top: 14px; color: var(--muted); font-size: 16px; }
.beat.is-active { border-color: var(--gold); }
.chapter-caveat { margin: 32px 0 0; padding: 18px 24px; border-left: 2px solid var(--gold); color: var(--muted); font-size: 14px; }
/* Two short pinned scenes. Every other chapter follows natural document flow. */
@media(min-width:1024px) {
  html[data-motion=on] .network-chapter .scene-visual,
  html[data-motion=on] .privacy-chapter .scene-visual { position: sticky; top: 122px; }
  html[data-motion=on] .network-chapter .beat,
  html[data-motion=on] .privacy-chapter .beat { min-height: 36vh; display: flex; flex-direction: column; justify-content: center; }
}
.network-lines { position: absolute; top: 62px; width: 100%; height: 365px; }
.line { fill: none; stroke: var(--gold); stroke-width: 2; transition: opacity .25s; }
.line-recovery { stroke-dasharray: 5 7; }
.diagram-node { position: absolute; padding: 14px 16px; background: #112b20; border: 1px solid #5e6548; border-radius: 4px; width: 34%; transition: opacity .25s, border-color .25s; }
.diagram-node small { display: block; font: 11px/1.4 var(--mono); color: var(--gold-light); }
.diagram-node strong { display: block; font-size: 17px; margin-top: 7px; }
.diagram-node>span { display: block; font-size: 13px; color: var(--muted); margin-top: 7px; }
.diagram-you { left: 6%; top: 190px; width: 26%; border-color: var(--gold); text-align: center; }
.diagram-you img { width: 42px; height: 42px; display: block; margin: 12px auto; }
.diagram-a { left: 39%; top: 226px; width: 27%; border-style: dashed; }
.diagram-a strong { font-size: 14px; }.diagram-a span { color: #c3ae91; }
.diagram-b { right: 5%; top: 92px; }.diagram-c { right: 5%; top: 354px; }
html[data-motion=on] .network-visual[data-active='0'] :is(.diagram-b,.diagram-c,.line-b,.line-c,.line-recovery) { opacity: .22; }
html[data-motion=on] .network-visual[data-active='1'] .line-recovery { opacity: .22; }
html[data-motion=on] .network-visual[data-active='2'] .diagram-a { opacity: .42; }
/* Module diagram: dependencies radiate from a named operator boundary. */
.bundles-chapter { border-block: 1px solid var(--line); }
.module-visual { height: 610px; background: #0c1c15; }
.module-core { position: absolute; left: 8%; top: 107px; width: 84%; text-align: center; }
.module-core>span { display: block; color: var(--muted); font: 11px var(--mono); }
.module-core img { display: block; width: 46px; height: 46px; margin: 19px auto 0; }
.module-lines { position: absolute; top: 219px; left: 21%; right: 21%; height: 265px; border: 1px solid #786d4c; border-radius: 14px; }
.module-lines:before { content: ''; position: absolute; left: 50%; top: -24px; height: 287px; width: 1px; background: #786d4c; }
.module { position: absolute; width: 42%; padding: 13px 15px; background: #142c20; border: 1px solid #4c5c45; border-radius: 4px; transition: opacity .25s,border-color .25s; }
.module>b { display: block; color: var(--gold); font: 10px var(--mono); margin-bottom: 5px; }
.module>strong { display: block; font-size: 14px; }.module>span { display: block; color: var(--muted); font-size: 13px; margin-top: 3px; }
.module-relay { top: 225px; left: 5%; }.module-market { top: 225px; right: 5%; }
.module-trade { top: 334px; left: 5%; }.module-ln { top: 334px; right: 5%; }
.module-mediator { top: 443px; left: 29%; border-style: dashed; }
html[data-motion=on] .module-visual[data-active='0'] :is(.module-trade,.module-ln,.module-mediator),
html[data-motion=on] .module-visual[data-active='1'] .module-mediator { opacity: .3; }
/* No persistent colour links connect individual inputs to outputs. */
.privacy-visual { background: #101e18; }
.privacy-row { position: absolute; left: 8%; right: 8%; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.privacy-row>span { width: 47%; font-size: 15px; color: var(--gold-light); }
.privacy-row i { width: 34px; height: 34px; border: 1px solid #b4bda8; background: #203b2a; border-radius: 50%; }
.input-row { top: 106px; }.output-row { top: 321px; }
.output-row i { border-radius: 4px; background: #304130; border-color: #b4bda8; }
.privacy-transfer { position: absolute; top: 174px; left: 8%; right: 8%; padding: 24px 0; border-block: 1px dashed #8b8967; text-align: center; }
.privacy-transfer>span { color: var(--muted); font-size: 13px; }
.credential-slips { display: flex; justify-content: center; gap: 15px; margin-top: 17px; }
.credential-slips i { display: block; width: 50px; height: 30px; border: 1px solid var(--gold); background: #aa92562b; transform: skew(-13deg); }
.privacy-boundary { position: absolute; left: 8%; right: 8%; top: 392px; display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 13px; border: 1px solid #676747; border-radius: 4px; }
.privacy-boundary>span { font: 12px var(--mono); color: var(--gold); }.privacy-boundary p { font-size: 13px; color: var(--muted); }
html[data-motion=on] .privacy-visual[data-active='0'] :is(.privacy-transfer,.output-row,.privacy-boundary),
html[data-motion=on] .privacy-visual[data-active='1'] .privacy-boundary { opacity: .22; }
.privacy-transfer,.output-row,.privacy-boundary { transition: opacity .25s; }
/* Two families, four distinct paths, with control and responsibility nearby. */
.mode-stage { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; position: relative; }
.mode-panel { padding: 30px; border: 1px solid var(--line); background: #0c1b15; border-radius: 5px; }
.mode-illustration { min-height: 200px; border: 1px solid #536047; background: #152c20; padding: 20px; }
.screen-top { display: block; color: var(--gold-light); font: 11px var(--mono); border-bottom: 1px solid #536047; padding-bottom: 16px; }
.screen-line { display: flex; gap: 12px; margin: 22px 0; }.screen-line i { width: 32%; height: 5px; background: #526249; }.screen-line i:last-child { width: 50%; }
.screen-balance { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 18px; }.screen-balance b { color: var(--gold); font-weight: 400; }
.screen-action { color: var(--muted); margin-top: 20px; font-size: 13px; }
.signer-ring { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 29px; font: 14px var(--mono); }
.signer-ring span { padding: 11px 7px; border: 1px solid #6d7655; border-radius: 4px; }.signer-ring span:nth-child(2) { color: var(--gold-light); border-style: dashed; font: 12px var(--sans); }
.mode-copy { margin-top: 28px; }.mode-index { color: var(--gold); font: 11px var(--mono); letter-spacing: .07em; }
.mode-copy h3 { margin-top: 14px; font-size: 28px; }.mode-copy>p { color: var(--muted); margin-top: 15px; }
.responsibility { margin-top: 23px; padding-top: 19px; border-top: 1px solid var(--line); }
.responsibility>span { color: var(--gold-light); font-size: 13px; }.responsibility strong { display: block; font-size: 14px; font-weight: 500; margin-top: 7px; }
.mode-bridge { display: none; }
.route-pair { display: grid; gap: 9px; margin-top: 20px; }
.route-option { padding: 12px 14px; border-left: 2px solid var(--gold); background: #1b3324; }
.route-option b { display: block; font-size: 15px; }.route-option span { color: var(--muted); font-size: 13px; display: block; margin-top: 4px; }
/* Example UI is deliberately noninteractive. */
.journey-step-art { float: right; width: 84px; height: 84px; object-fit: contain; margin: 0 0 10px 18px; }
.journey-visual { height: 640px; background: #0a1913; }
.journey-window { margin: 24px; border: 1px solid #697053; border-radius: 6px; overflow: hidden; background: #14281d; }
.window-head { padding: 15px; display: flex; gap: 5px; align-items: center; border-bottom: 1px solid var(--line); font: 10px var(--mono); color: var(--gold-light); }
.window-head span { margin-right: auto; }.window-head i { display: block; width: 5px; height: 5px; border: 1px solid #858c6a; border-radius: 50%; }
.window-body { padding: 20px; }.window-body>p { color: var(--muted); font-size: 12px; margin-bottom: 18px; }
.quote-line { display: flex; justify-content: space-between; gap: 20px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.quote-line>span { color: var(--muted); }.quote-line strong { text-align: right; font-weight: 550; }
.quote-line.fee-actual strong { color: var(--gold-light); }
.quote-note { font-size: 13px; color: var(--muted); margin-top: 19px; line-height: 1.6; }
.window-action { padding: 10px; margin-top: 19px; color: var(--gold-light); border: 1px dashed #827350; text-align: center; font-size: 13px; }
/* Evidence is a readable ledger, with no fabricated passed status. */
.evidence-chapter { border-top: 1px solid var(--line); }
.evidence-visual { background: #0c1c15; height: 555px; }
.evidence-visual figcaption { background: #0c1c15; }
.evidence-list { margin: 10px 24px; padding: 0; list-style: none; }
.evidence-list li { display: flex; gap: 17px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); }
.evidence-list li>b { color: var(--gold); font: 11px var(--mono); }.evidence-list li>span { font-size: 20px; color: var(--gold); margin-left: auto; }
.evidence-list strong { display: block; font-size: 15px; font-weight: 600; }.evidence-list small { display: block; color: var(--muted); font-size: 13px; margin-top: 5px; }
.final-chapter { position: relative; overflow: hidden; padding: 108px 0 90px; text-align: center; background: #e4e5d8; color: #11271c; --ink: #11271c; --muted: #4c5d4d; --line: #a5ae98; --gold: #86683d; --gold-light: #6d542b; }
.final-inner { position: relative; z-index: 1; }.final-inner>.chapter-number { margin-bottom: 24px; }
.final-mark { width: 74px; height: 74px; margin-bottom: 25px; }
.final-inner .eyebrow { margin-bottom: 22px; }.final-inner h2 { font-size: clamp(36px,4.2vw,60px); }
.final-inner>p:not(.eyebrow) { max-width: 660px; margin: 25px auto 0; color: var(--muted); }
.final-actions { justify-content: center; }
.final-actions .button-gold { background: #173126; color: #f1efdf; border-color: #173126; }
.final-actions .button-gold:hover { background: #284b37; border-color: #284b37; }
.final-actions .button-outline { color: #173126; border-color: #6f795f; }
.final-actions .button-outline:hover { background: #d4d8c6; }.final-inner>.final-boundary { font-size: 13px; max-width: 560px; }
.final-paths { position: absolute; top: 0; left: 50%; width: 500px; height: 185px; transform: translateX(-50%); }
.final-paths span { position: absolute; width: 210px; height: 165px; border: 1px solid #8b744e70; border-top: 0; border-radius: 0 0 100px 0; transform: translateX(var(--final-shift, 0px)); }
.final-paths span:last-child { right: 0; border-radius: 0 0 0 100px; transform: translateX(calc(var(--final-shift, 0px) * -1)); }
.site-footer { padding: 37px 0 32px; border-top: 1px solid var(--line); background: var(--deep); }
.footer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; gap: 24px; }
.footer-top img { width: 153px; height: auto; display: block; }.footer-top>a:last-child { color: var(--gold-light); font-size: 13px; }
.site-footer p { font-size: 13px; color: var(--muted); max-width: 1000px; }.site-footer small { display: block; font-size: 12px; color: var(--muted); margin-top: 24px; }
@media(max-width:1190px) {
  .page-width { width: calc(100% - 56px); }.header-inner { gap: 18px; }.main-nav { gap: 15px; }.header-tools { gap: 10px; }.motion-toggle { font-size: 11px; }
  .scene-layout,.scene-layout.reversed { gap: 35px; }.chapter-nav { gap: 18px; }.chapter-nav>span { display: none; }
}
@media(max-width:1023px) {
  .header-inner { flex-wrap: wrap; gap: 8px 20px; padding-block: 13px; }.brand { flex-basis: 142px; }.brand img { width: 142px; }.header-tools { margin-left: auto; }.main-nav { order: 3; width: 100%; flex-wrap: wrap; justify-content: center; gap: 10px 35px; padding-top: 7px; }.motion-toggle { display: none; }
  .hero { min-height: 760px; }.hero-copy { max-width: 600px; }.hero-image { left: 25%; }.hero-veiling { background: linear-gradient(90deg,#07130ff5 5%,#07130fbd 55%,#07130f33),linear-gradient(0deg,var(--deep),transparent 50%); }
  .chapter-nav { overflow-x: auto; min-height: 76px; padding-block: 18px; }.chapter-nav .chapter-skip { margin-left: 10px; }
  .chapter { padding-block: 76px; }.chapter-heading { padding-left: 0; margin-bottom: 35px; }.chapter-heading>.chapter-number { position: static; margin-bottom: 17px; }
  .scene-layout,.scene-layout.reversed { grid-template-columns: 1fr; gap: 28px; }.scene-visual { max-width: 620px; width: 100%; margin-inline: auto; order: 0; }.scene-beats { order: 1; gap: 0; display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
  .beat { padding: 13px 0 10px 20px; }h3 { font-size: 21px; }.beat p { font-size: 15px; }
  .mode-stage { gap: 16px; }.mode-panel { padding: 22px; }.mode-copy h3 { font-size: 25px; }.mode-illustration { padding: 14px; }.signer-ring { flex-wrap: wrap; }.screen-balance { font-size: 15px; }
  .footer-motion { display: inline-block; margin-top: 24px; font-size: 14px; }
}
@media(min-width:1024px) { .footer-motion { display: none; } }
@media(max-width:650px) {
  html { scroll-padding-top: 137px; }.page-width { width: calc(100% - 40px); }.header-inner { gap: 7px 10px; }.brand { flex-basis: 120px; }.brand img { width: 120px; }.header-tools { gap: 8px; }.header-cta { font-size: 11px; padding: 8px; }.language-switch button { min-width: 29px; }.main-nav { font-size: 13px; gap: 10px 20px; padding-top: 5px; }
  .hero { min-height: 750px; }.hero-inner { padding-block: 55px 25px; }.hero-image { inset: 29% -40% 0 0; opacity: .68; }.hero-image img { object-position: 55% center; }.hero-veiling { background: linear-gradient(180deg,#07130f 3%,#07130feb 33%,#07130f9c 63%,#07130f 100%); }
  .hero-copy { max-width: none; }h1 { font-size: clamp(35px,9.3vw,48px); line-height: 1.22; letter-spacing: -.055em; }.hero-lead { font-size: 16px; margin-top: 22px; }.eyebrow { font-size: 10px; letter-spacing: .09em; }.hero-actions { display: grid; gap: 10px; margin-top: 26px; }.button { width: 100%; font-size: 13px; }.hero-boundary { font-size: 13px; }.hero-caption { margin-top: 50px; font-size: 11px; }.hero-caption span:last-child { max-width: 75%; }
  .chapter { padding-block: 60px; }.chapter-heading .eyebrow { margin-bottom: 13px; }h2 { font-size: 32px; }.chapter-heading>p:last-child { font-size: 16px; }
  .scene-beats { display: block; }.beat { margin-block: 18px; padding: 15px 0 15px 20px; }.beat p { font-size: 16px; }
  .scene-visual { height: 500px; }.visual-label { margin-inline: 16px; padding-block: 16px; font-size: 10px; }.visual-label span:last-child { max-width: 40%; text-align: right; }figcaption { padding: 15px 16px; font-size: 13px; }
  .diagram-node { padding: 10px; }.diagram-node small { font-size: 10px; }.diagram-node strong { font-size: 14px; }.diagram-node>span { font-size: 12px; }.diagram-you { top: 171px; width: 29%; left: 4%; }.diagram-you img { width: 36px; height: 36px; }.diagram-b { top: 83px; width: 44%; right: 4%; }.diagram-c { top: 311px; width: 44%; right: 4%; }.diagram-a { left: 43%; top: 210px; width: 37%; }.network-lines { top: 70px; height: 335px; }
  .module-visual { height: 635px; }.module-core { top: 91px; }.module { width: 43%; padding: 12px 10px; }.module>strong { font-size: 12px; overflow-wrap: anywhere; }.module>span { font-size: 12px; }.module-relay,.module-market { top: 217px; }.module-trade,.module-ln { top: 327px; }.module-mediator { top: 442px; width: 56%; left: 22%; }.module-lines { top: 210px; }
  .privacy-row { left: 5%; right: 5%; gap: 8px; }.privacy-row>span { font-size: 13px; width: 44%; }.privacy-row i { width: 25px; height: 25px; flex-shrink: 0; }.input-row { top: 96px; }.privacy-transfer { top: 150px; }.output-row { top: 288px; }.privacy-boundary { top: 351px; left: 5%; right: 5%; padding: 10px; }.privacy-boundary p { font-size: 12px; }.privacy-visual { height: 510px; }
  .mode-stage { grid-template-columns: 1fr; gap: 22px; }.mode-panel { padding: 23px; }.mode-illustration { padding: 17px; }.mode-copy>p { font-size: 16px; }.mode-copy h3 { font-size: 27px; }
  .journey-step-art { width: 68px; height: 68px; margin-left: 12px; }
  .journey-visual { height: 680px; }.journey-window { margin: 18px 12px; }.window-body { padding: 17px; }.quote-line { gap: 12px; font-size: 13px; }.quote-line strong { max-width: 62%; }.quote-note { font-size: 13px; }
  .evidence-visual { height: 550px; }.evidence-list { margin-inline: 17px; }.evidence-list li { gap: 12px; padding-block: 22px; }.evidence-list strong { font-size: 14px; }.evidence-list small { font-size: 12px; }
  .chapter-caveat { padding: 16px 18px; }.final-chapter { padding-block: 75px 65px; }.final-inner>p:not(.eyebrow) { font-size: 16px; }.final-inner>.final-boundary { font-size: 13px; }.final-actions { display: grid; }.site-footer p { font-size: 13px; }
}
/* Static and reduced-motion modes reveal the complete diagrams in reading order. */
html:not([data-motion=on]) { scroll-behavior: auto; }
html:not([data-motion=on]) .scene-visual { position: relative; top: auto; }
html:not([data-motion=on]) .hero-image img, html:not([data-motion=on]) .final-paths span { transform: none; }
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { animation: none !important; transition: none !important; }
  .scene-visual { position: relative !important; top: auto !important; }
  .beat { min-height: 0 !important; }
  .hero-image img,.final-paths span { transform: none !important; }
}
.brand-expansion { position: absolute; right: 3%; bottom: 66px; width: 420px; height: 180px; opacity: .9; pointer-events: none; }
.brand-expansion path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.brand-stems { stroke: var(--ink); stroke-width: 9; }
.brand-route { stroke: var(--gold); stroke-width: 7; }.brand-route.alternate { stroke: var(--gold-light); }
.expansion-routes path { stroke: var(--gold); stroke-width: 2; stroke-dasharray: 1; stroke-dashoffset: var(--route-dash,1); }
html:not([data-motion=on]) .expansion-routes path { stroke-dashoffset: 0; }
.motion-toggle:disabled { cursor: default; opacity: .8; }
@media(max-width:1023px) {
  .brand-expansion { right: 0; bottom: 30px; width: 340px; opacity: .35; }
  .network-visual *, .module-visual *, .privacy-visual * { opacity: 1 !important; }
}
@media(max-width:650px) { .brand-expansion { display: none; } }

@media(max-width:650px) { .network-visual { height: 550px; } }
/* Translated cards grow naturally; connectors remain decorative. */
.module-visual { height: auto; padding: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px 16px; }
.module-visual .visual-label { grid-column: 1 / -1; margin: 0; padding-top: 0; }
.module-core { position: static; grid-column: 1 / -1; width: 100%; margin: 12px 0 0; }
.module-core:after { content: ''; display: block; width: 1px; height: 26px; background: var(--gold); margin: 16px auto 0; }
.module-lines { display: none; }
.module { position: static; width: auto; }
.module-mediator { grid-column: 1 / -1; justify-self: center; width: 75%; }
.module-visual figcaption { grid-column: 1 / -1; position: static; margin: 0 -24px -24px; }
.journey-visual, .evidence-visual { height: auto; }
.journey-visual figcaption, .evidence-visual figcaption { position: static; }
.evidence-list { padding-bottom: 10px; }
@media(max-width:650px) {
  .header-tools { flex-wrap: wrap; justify-content: flex-end; max-width: 100%; }
  .module-visual { padding: 16px; gap: 16px 12px; }
  .module-visual figcaption { margin: 0 -16px -16px; }
}
@media(max-width:360px) {
  .header-tools { gap: 8px; }.brand { flex-basis: 98px; }.brand img { width: 98px; }
  .header-cta { font-size: 10px; padding: 8px 5px; }.language-switch button { min-width: 27px; }
  .network-visual { height: 585px; }.diagram-c { top: 337px; }
}

/* Concrete wallet/credential/relay illustrations replace abstract privacy tokens. */
.privacy-visual { height: auto; }
.privacy-visual .privacy-row, .privacy-visual .privacy-transfer, .privacy-visual .privacy-boundary {
  position: static; display: grid; grid-template-columns: 96px minmax(0,1fr); align-items: center;
  gap: 22px; padding: 12px 0; margin: 0 24px; border: 0; text-align: left; opacity: 1;
}
.privacy-visual .privacy-transfer { border-block: 1px dashed #657052; }
.privacy-visual .privacy-boundary { grid-template-columns: 96px minmax(0,1fr); border-top: 1px solid var(--line); border-radius: 0; }
.privacy-icon { width: 96px; height: 96px; object-fit: contain; transition: opacity .25s; }
.privacy-visual .privacy-boundary img { width: 88px; height: 88px; }
.privacy-visual :is(.privacy-row,.privacy-transfer,.privacy-boundary) div>span { color: var(--gold-light); font-size: 15px; font-weight: 600; }
.privacy-visual :is(.privacy-row,.privacy-transfer,.privacy-boundary) p { color: var(--muted); font-size: 13px; line-height: 1.7; margin-top: 5px; }
.privacy-visual figcaption { position: static; }
html[data-motion=on] .privacy-visual[data-active='0'] :is(.privacy-transfer,.output-row,.privacy-boundary),
html[data-motion=on] .privacy-visual[data-active='1'] .privacy-boundary { opacity: 1; }
html[data-motion=on] .privacy-visual[data-active='0'] :is(.privacy-transfer,.output-row,.privacy-boundary) img,
html[data-motion=on] .privacy-visual[data-active='1'] .privacy-boundary img { opacity: .35; }
@media(max-width:650px) {
  .privacy-visual .privacy-row, .privacy-visual .privacy-transfer, .privacy-visual .privacy-boundary { grid-template-columns: 76px minmax(0,1fr); gap: 12px; margin-inline: 16px; }
  .privacy-icon, .privacy-visual .privacy-boundary img { width: 76px; height: 76px; }
  .privacy-visual :is(.privacy-row,.privacy-transfer,.privacy-boundary) div>span { font-size: 14px; }
}

.mode-illustration { border: 0; padding: 0 0 25px; background: transparent; border-bottom: 1px solid var(--line); }
.mode-art { display: block; width: 100%; height: 215px; object-fit: contain; margin-block: 16px; }
.illustration-title { display: block; color: var(--gold-light); font-size: 19px; font-weight: 600; }
.mode-illustration .screen-action { margin-top: 8px; font-size: 14px; }
@media(max-width:650px) { .mode-art { height: 190px; }.illustration-title { font-size: 18px; } }

.communication-feature { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 45px; align-items: center; padding: 36px 0 0; margin-top: 56px; border-top: 1px solid var(--line); }
.communication-feature>img { width: 260px; height: 210px; object-fit: contain; }
.communication-feature .eyebrow { margin-bottom: 12px; }
.communication-feature h3 { font-size: 28px; }
.communication-feature p:not(.eyebrow) { margin-top: 15px; color: var(--muted); }
.communication-feature .communication-boundary { font-size: 13px; }
.communication-feature a { display: inline-block; margin-top: 15px; color: var(--gold-light); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
@media(max-width:650px) {
  .communication-feature { grid-template-columns: 1fr; gap: 15px; margin-top: 32px; }
  .communication-feature>img { width: 210px; height: 155px; justify-self: center; }
  .communication-feature h3 { font-size: 25px; }
}

/* Recognizable service entries and role illustrations. */
.network-visual { height: auto; }
.network-visual .diagram-you { position: relative; top: auto; left: auto; width: 180px; margin: 24px auto 0; padding: 29px 12px 12px; }
.browser-toolbar { position: absolute; left: 0; right: 0; top: 0; height: 20px; padding: 0 8px; color: var(--gold); border-bottom: 1px solid var(--line); text-align: left; font-size: 8px; letter-spacing: 3px; }
.network-branch { width: 65%; height: 25px; margin: 24px auto 0; border: 1px solid #786d4c; border-bottom: 0; position: relative; }
.network-branch:before { content: ''; position: absolute; height: 49px; width: 1px; background: #786d4c; left: 50%; top: -25px; }
.network-choices { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin: 0 20px 24px; position: relative; }
.network-choices .diagram-node { position: static; width: auto; padding: 12px 10px; text-align: center; }
.operator-art { display: block; width: 72px; height: 72px; object-fit: contain; margin: 0 auto 10px; }
.network-choices .diagram-node strong { font-size: 15px; }
.network-choices .diagram-node span { font-size: 12px; }
.network-visual figcaption { position: static; }
html[data-motion=on] .network-visual .diagram-node { opacity: 1; }
html[data-motion=on] .network-visual[data-active='0'] :is(.diagram-b,.diagram-c) img { opacity: .4; }
html[data-motion=on] .network-visual:not([data-active='0']) .diagram-a img { opacity: .35; }
.module-art { width: 96px; height: 88px; object-fit: contain; display: block; margin: 0; }
.module-visual { gap: 12px; padding: 20px; }
.module-core { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0; padding: 2px 0 12px; border-bottom: 1px solid var(--line); }
.module-core>span { font-size: 12px; }
.module-core img { width: 32px; height: 32px; margin: 0; }
.module-core:after { display: none; }
.module { display: grid; grid-template-columns: 96px minmax(0,1fr); grid-template-rows: auto auto 1fr; gap: 3px 12px; align-content: center; padding: 14px 12px; min-height: 118px; }
.module .module-art { grid-column: 1; grid-row: 1 / 4; align-self: center; }
.module>b { grid-column: 2; grid-row: 1; margin: 0; font-size: 11px; line-height: 1.4; }
.module>strong { grid-column: 2; grid-row: 2; font-size: 14px; line-height: 1.45; overflow-wrap: anywhere; }
.module>span { grid-column: 2; grid-row: 3; font-size: 13px; line-height: 1.55; margin: 0; align-self: start; }
.module-mediator { justify-self: stretch; width: 100%; }
.module-visual figcaption { margin: 0 -20px -20px; }
@media (min-width:1024px) and (max-width:1250px) {
  .module { grid-template-columns: 72px minmax(0,1fr); gap: 3px 9px; padding: 12px 10px; }
  .module-art { width: 72px; height: 78px; }
}
@media(max-width:650px) {
  .module-visual { grid-template-columns: minmax(0,1fr); padding: 16px; gap: 10px; }
  .module { grid-template-columns: 96px minmax(0,1fr); min-height: 112px; padding: 12px; }
  .module-visual figcaption { margin: 0 -16px -16px; }
}
html[data-motion=on] .module-visual[data-active] .module { opacity: 1; }
html[data-motion=on] .module-visual[data-active='0'] :is(.module-trade,.module-ln,.module-mediator) img,
html[data-motion=on] .module-visual[data-active='1'] .module-mediator img { opacity: .4; }
.evidence-art { display: block; width: 110px; height: 110px; object-fit: contain; margin: 24px auto 10px; }
@media(max-width:650px) {
  .network-choices { gap: 8px; margin-inline: 12px; }
  .network-choices .diagram-node { padding: 9px 5px; }
  .network-choices .diagram-node small { font-size: 8px; }
  .network-choices .diagram-node strong { font-size: 13px; overflow-wrap: anywhere; }
  .operator-art { width: 60px; height: 60px; }
}

/* User goals precede protocol names. */
.mode-stage { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.mode-panel { padding: 24px; display: flex; flex-direction: column; }
.mode-panel>.mode-index { font: 16px/1.6 var(--sans); color: var(--gold-light); min-height: 52px; }
.mode-panel .mode-copy { margin-top: 20px; margin-bottom: 24px; }
.mode-panel .mode-copy h3 { margin-top: 0; font-size: 27px; }
.mode-panel .responsibility { margin-top: auto; }
.mode-panel .mode-art { height: 195px; }
.mode-panel .screen-top { font-size: 12px; border-bottom: 0; padding-bottom: 0; }
.direct-option { margin-top: 28px; padding: 24px; border: 1px solid var(--line); }
.direct-option strong { font-size: 19px; color: var(--gold-light); }
.direct-option p { margin-top: 10px; color: var(--muted); }
.eyebrow { font-size: 16px; letter-spacing: .09em; }
.hero .eyebrow { font-size: 13px; }
.chapter-number { font-size: 14px; }
.chapter-heading { padding-left: 94px; }
.visual-label { font-size: 13px; }
.beat-index { font-size: 13px; }
@media(max-width:1100px) {
  .mode-stage { grid-template-columns: 1fr; max-width: 760px; margin-inline: auto; }
  .mode-panel>.mode-index { min-height: 0; }
  .mode-panel .mode-art { height: 220px; }
}
@media(max-width:1023px) { .chapter-heading { padding-left: 0; } }
@media(max-width:650px) {
  .eyebrow { font-size: 14px; }.hero .eyebrow { font-size: 12px; }
  .chapter-number { font-size: 13px; }.visual-label { font-size: 12px; }
  .mode-panel .mode-art { height: 200px; }.mode-panel .mode-copy h3 { font-size: 26px; }
}

.audience-chapter { border-top: 1px solid var(--line); }
.mode-stage { grid-template-columns: repeat(2,minmax(0,1fr)); }
.audience-stage { grid-template-columns: repeat(3,minmax(0,1fr)); }
@media(max-width:1100px) { .audience-stage { grid-template-columns: 1fr; } }
@media(max-width:650px) { .mode-stage { grid-template-columns: 1fr; } }

/* Nostr protocol highlights share the public network chapter. */
.nostr-feature { margin-top: 72px; padding-top: 48px; border-top: 1px solid var(--line); scroll-margin-top: 130px; }
.nostr-heading { max-width: 850px; margin-bottom: 32px; }
.nostr-heading h3 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.25; margin-bottom: 18px; }
.nostr-heading>p:last-child { color: var(--muted); }
.nostr-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.nostr-card { min-width: 0; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 14px; background: #10271e; }
.nostr-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.nostr-tags span { display: inline-block; padding: 6px 10px; border: 1px solid #6c6246; border-radius: 5px; font: 12px var(--mono); color: var(--gold-light); }
.nostr-card h4 { font-size: 21px; line-height: 1.45; margin: 0 0 16px; }
.nostr-card p { font-size: 15px; line-height: 1.85; color: var(--muted); margin: 0 0 24px; }
.nostr-links { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-top: auto; }
.nostr-links a { color: var(--gold-light); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.nostr-notes { margin-top: 28px; display: grid; gap: 12px; color: var(--muted); font-size: 13px; line-height: 1.8; }
@media(max-width:1023px) { .nostr-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media(max-width:650px) { .nostr-grid { grid-template-columns: 1fr; gap: 16px; } .nostr-card { padding: 24px; } .nostr-feature { margin-top: 40px; padding-top: 30px; scroll-margin-top: 180px; } }

.mediation-feature { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--line); scroll-margin-top: 130px; }
.mediation-heading { display: flex; align-items: flex-start; gap: 24px; max-width: 1000px; margin-bottom: 28px; }
.mediation-heading img { flex: 0 0 96px; }
.mediation-heading h3 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.25; margin-bottom: 18px; }
.mediation-heading p:last-child, .mediation-design p, .mediation-flow p { color: var(--muted); font-size: 15px; line-height: 1.85; }
.mediation-illustration { margin: 0 0 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--bg); }
.mediation-illustration img { display: block; width: 100%; height: auto; }
.mediation-illustration figcaption { position: static; padding: 18px 24px; border-top: 1px solid var(--line); color: var(--gold-light); font-size: 15px; line-height: 1.7; text-align: center; }
.mediation-design { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.mediation-design article { min-width: 0; padding: 26px; border: 1px solid var(--line); border-radius: 14px; background: #10271e; }
.mediation-design h4 { color: var(--gold-light); font-size: 21px; line-height: 1.45; margin-bottom: 16px; }
.mediation-flow-title { font-size: 24px; margin: 36px 0 20px; }
.mediation-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.mediation-flow li { display: flex; align-items: flex-start; gap: 18px; min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: 12px; }
.mediation-flow li:last-child { grid-column: 1 / -1; }
.mediation-step { flex: 0 0 34px; color: var(--gold-light); font: 20px var(--mono); }
.mediation-flow h5 { font-size: 20px; line-height: 1.45; margin: 0 0 12px; }
.mediation-rails { margin-top: 28px; border: 1px solid var(--line); border-radius: 12px; }
.mediation-rails summary { padding: 22px 24px; cursor: pointer; color: var(--gold-light); font-size: 18px; line-height: 1.5; }
.mediation-rails .mediation-design { padding: 0 20px 20px; }
.mediation-notes { display: grid; gap: 14px; margin-top: 26px; font-size: 14px; line-height: 1.85; color: var(--muted); }
.mediation-notes a { display: inline-block; justify-self: start; padding: 14px 18px; border: 1px solid var(--gold); border-radius: 6px; color: var(--gold-light); }
@media(max-width:1023px) { .mediation-design { grid-template-columns: 1fr; } }
@media(max-width:650px) {
  .mediation-feature { margin-top: 40px; padding-top: 30px; scroll-margin-top: 180px; }
  .mediation-heading { display: block; }.mediation-heading img { width: 76px; height: 76px; margin-bottom: 18px; }
  .mediation-flow { grid-template-columns: 1fr; }.mediation-flow li:last-child { grid-column: auto; }
  .mediation-flow li, .mediation-design article { padding: 22px; }
}