/* brainchain rebuild: void / ink / paper with one pink, Geist + Fragment Mono. */
@font-face { font-family: 'Geist Variable'; src: url('/fonts/Geist-Variable.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Fragment Mono'; src: url('/fonts/FragmentMono-Regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }

:root {
  color-scheme: dark;
  --void: #0b0b0b;
  --ink: #1d1d1d;
  --paper: #f8f7f4;
  --pink: #f386a1;
  --pink-glow: rgba(243, 134, 161, 0.36);
  --paper-08: rgba(248, 247, 244, 0.08);
  --paper-16: rgba(248, 247, 244, 0.16);
  --paper-32: rgba(248, 247, 244, 0.32);
  --paper-64: rgba(248, 247, 244, 0.64);
  --ink-16: rgba(29, 29, 29, 0.16);
  --ink-64: rgba(29, 29, 29, 0.64);
  --gutter: clamp(18px, 2.5vw, 42px);
  --sans: 'Geist Variable', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'Fragment Mono', 'SFMono-Regular', Menlo, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--void); color: var(--paper); font: 400 16px/1.4 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden; }
a { color: inherit; }
h1, h2, p, ol, dl, dd { margin: 0; }
ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
:focus-visible { outline: 2px solid var(--pink); outline-offset: 2px; }
.skip { position: fixed; top: -60px; left: 8px; z-index: 100; padding: 10px 14px; background: var(--pink); color: var(--ink); }
.skip:focus { top: 8px; }
.mono, .kicker, .chapter-index { font: 400 9px/1.5 var(--mono); letter-spacing: 0.055em; text-transform: uppercase; }

/* ---- header -------------------------------------------------------------- */
.site-header { position: fixed; z-index: 80; top: 0; left: 0; right: 0; display: flex; align-items: center; gap: 22px; min-height: 64px; padding: 0 var(--gutter); border-bottom: 1px solid var(--paper-16); background: rgba(11, 11, 11, 0.78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.brand-link { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-link { color: var(--paper); }
.brand-link svg { display: block; }
.release { display: flex; align-items: center; gap: 10px; font: 400 9px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.live { width: 7px; height: 7px; border: 1px solid var(--paper); animation: live 2.4s ease-in-out infinite; }
@keyframes live { 50% { opacity: 0.35; } }
.release-chain { color: var(--paper-64); }
.site-nav { display: flex; align-items: center; gap: 22px; margin-left: auto; font: 400 9px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.site-nav a { text-decoration: none; color: var(--paper); transition: color 0.2s; }
.site-nav a:hover { color: var(--pink); }
.nav-icon { display: inline-grid; place-items: center; width: 24px; height: 24px; }
.header-cta { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border: 1px solid var(--pink); color: var(--pink); font: 400 9px/1 var(--mono); letter-spacing: 0.05em; text-decoration: none; text-transform: uppercase; white-space: nowrap; transition: background 0.2s, color 0.2s; }
.header-cta:hover { background: var(--pink); color: var(--ink); }
.cta-phone, .menu { display: none; }

/* ---- hero ---------------------------------------------------------------- */
.hero { position: relative; min-height: 400svh; background: var(--ink); }
.hero-stage { position: sticky; top: 0; z-index: 1; height: 100svh; overflow: hidden; }
.hero-stage::before { content: ''; position: absolute; inset: 64px 0 0; pointer-events: none; background:
  linear-gradient(90deg, transparent 8.33%, var(--paper-08) 8.33% calc(8.33% + 1px), transparent calc(8.33% + 1px) 91.6%, var(--paper-08) 91.6% calc(91.6% + 1px), transparent calc(91.6% + 1px)),
  linear-gradient(transparent 14%, var(--paper-08) 14% calc(14% + 1px), transparent calc(14% + 1px) 88%, var(--paper-08) 88% calc(88% + 1px), transparent calc(88% + 1px)); }
.hero-stage::after { content: ''; position: absolute; left: 50%; top: 50%; width: min(80vw, 1100px); aspect-ratio: 1; border: 1px solid var(--paper-08); border-radius: 50%; box-shadow: 0 0 0 9vw rgba(248, 247, 244, 0.015), 0 0 180px var(--pink-glow); transform: translate(-50%, -50%); pointer-events: none; }
.field { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; }
.readout { position: absolute; z-index: 3; top: 88px; left: 50%; transform: translateX(-50%); font: 400 10px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; white-space: nowrap; }
.data-link { position: absolute; z-index: 3; top: 88px; right: var(--gutter); font: 400 9px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.modes { position: absolute; z-index: 3; left: var(--gutter); right: var(--gutter); bottom: 64px; display: flex; border-bottom: 1px solid var(--paper-16); }
.mode { position: relative; display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 0 12px; color: var(--paper-64); font: 400 9px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.mode span { color: var(--paper-32); }
.mode.on { color: var(--paper); }
.mode.on span { color: var(--pink); }
.mode::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--pink); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease); }
.mode.on::after { transform: none; }
.field-meta { position: absolute; z-index: 3; left: var(--gutter); right: var(--gutter); bottom: 26px; display: grid; grid-template-columns: repeat(2, 1fr); color: var(--paper-64); font: 400 8px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.hero-steps { position: relative; z-index: 2; margin-top: -100svh; }
.hero-step { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; align-items: center; min-height: 100svh; padding: 88px var(--gutter) 118px; }
.hero-statement { grid-column: 1 / span 10; align-self: start; margin-top: 5svh; }
.kicker { display: flex; align-items: center; gap: 12px; color: var(--paper-64); }
.kicker::before { content: ''; width: 42px; height: 1px; background: var(--pink); }
.hero h1 { margin-top: 40px; font-size: clamp(56px, 9.6vw, 156px); font-weight: 470; line-height: 0.84; letter-spacing: -0.055em; text-shadow: 0 3px 30px var(--ink); }
.hero h1 span { color: transparent; -webkit-text-stroke: 1.5px var(--paper); padding-left: 0.5em; }
.hero-intro { grid-column: 9 / -1; align-self: end; margin-bottom: 7vh; padding: 14px; background: rgba(11, 11, 11, 0.92); }
.hero-intro > p:first-child { font-size: clamp(14px, 1.2vw, 18px); line-height: 1.45; color: var(--paper-64); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 12px; }
.xbtn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--paper); font: 400 10px/1 var(--mono); letter-spacing: 0.05em; text-decoration: none; text-transform: uppercase; transition: background 0.2s, color 0.2s, border-color 0.2s; }
.xbtn:hover { background: var(--paper); color: var(--ink); }
.xbtn-pink { border-color: var(--pink); background: var(--pink); color: var(--ink); }
.xbtn-pink:hover { border-color: var(--paper); }
.hero-price { font-size: 14px; line-height: 1.45; color: rgba(248, 247, 244, 0.78); }
.hero-price a { color: var(--paper); text-underline-offset: 3px; }
.projection { grid-column: 8 / -1; align-self: end; margin-bottom: 12vh; padding: 20px 22px; border-left: 1px solid var(--pink); background: rgba(11, 11, 11, 0.92); }
.projection h2 { max-width: 8ch; margin: 24px 0; font-size: clamp(58px, 8vw, 128px); font-weight: 480; line-height: 0.84; letter-spacing: -0.075em; }
.projection > p:last-child { max-width: 38ch; font-size: 15px; line-height: 1.5; color: var(--paper-64); }

/* ---- chapters ------------------------------------------------------------ */
.chapter { position: relative; padding: clamp(112px, 13vw, 212px) var(--gutter); overflow: hidden; }
.chapter-ink { background: var(--void); color: var(--paper); }
.chapter-pink { background: var(--pink); color: var(--ink); }
.chapter-paper { background: var(--paper); color: var(--ink); }
.chapter-head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; align-items: end; margin-bottom: clamp(86px, 12vw, 180px); }
.chapter-index { grid-column: 1 / span 2; align-self: start; padding-top: 0.7em; opacity: 0.78; }
.chapter-head h2 { grid-column: 3 / span 7; font-size: clamp(58px, 7.8vw, 126px); font-weight: 475; line-height: 0.86; letter-spacing: -0.075em; }
.chapter-head > p:last-child { grid-column: 10 / -1; max-width: 42ch; font-size: 15px; line-height: 1.5; opacity: 0.76; }
.more-link { margin-top: 40px; font: 400 10px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.more-link a { text-underline-offset: 4px; }

/* activity */
.feed { border-top: 1px solid var(--paper-16); }
.feed-row { display: grid; grid-template-columns: 120px minmax(0, 1fr) 180px 110px; gap: 20px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--paper-16); text-decoration: none; transition: background 0.2s; }
.feed-row:hover { background: rgba(248, 247, 244, 0.03); }
.feed-kind, .feed-time { font: 400 10px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--paper-64); }
.feed-time { text-align: right; }
.feed-text { font-size: 18px; letter-spacing: -0.02em; }
.feed-conf { display: flex; align-items: center; gap: 10px; font: 400 11px/1 var(--mono); }
.bar { position: relative; flex: 1; height: 2px; background: var(--paper-16); }
.bar::before { content: ''; position: absolute; inset: 0 auto 0 0; width: calc(var(--v) * 100%); background: var(--paper); transform-origin: left; }
.feed-row[data-pass='true'] .bar::before { background: var(--pink); }
.bar::after { content: ''; position: absolute; top: -4px; left: calc(var(--t) * 100%); width: 1px; height: 10px; background: var(--paper-64); }
.feed-row.in .bar::before { animation: grow 1s var(--ease) both 0.2s; }
@keyframes grow { from { transform: scaleX(0); } }

/* the bar rule */
.callout { position: relative; min-height: 78svh; margin: 0 calc(var(--gutter) * -1); padding: var(--gutter); isolation: isolate; }
.line-art { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 0.8; opacity: 0.38; }
.line-art rect { fill: currentColor; stroke: none; }
.line-art .dense { stroke-width: 1.2; opacity: 0.8; }
.callout-meta { position: relative; display: flex; justify-content: space-between; padding-bottom: 16px; font: 400 9px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.callout-meta::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 7px; opacity: 0.52; background: linear-gradient(var(--ink), var(--ink)) 0 100% / 100% 1px no-repeat, repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 28px) 0 100% / 100% 6px no-repeat; }
.equation { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2vw; align-items: center; margin-top: 7svh; }
.equation strong { font-size: clamp(110px, 21vw, 340px); font-weight: 430; line-height: 0.72; letter-spacing: -0.09em; }
.equation .outline { color: transparent; -webkit-text-stroke: 1.5px var(--ink); }
.equation span { font: 400 clamp(36px, 5vw, 72px)/1 var(--mono); }
.verdict { max-width: 7ch; margin: 8svh 0 0 auto; font-size: clamp(52px, 7vw, 108px); font-weight: 500; line-height: 0.88; letter-spacing: -0.065em; }
.slider { position: relative; max-width: 700px; margin-top: 80px; padding: 0 24px; font: 400 clamp(13px, 1.25vw, 18px)/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.slider-cut { margin-left: calc(var(--k) * 100% - 64px); }
.slider-track { position: relative; height: 22px; margin: 18px 0; }
.slider-track::before { content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: var(--ink); }
.slider-fill { position: absolute; left: 0; top: 2px; bottom: 2px; width: calc(var(--c) * 100%); background: var(--ink); transform-origin: left; }
.slider-knob { position: absolute; top: 50%; left: calc(var(--c) * 100%); width: 20px; height: 20px; border: 1.5px solid var(--ink); border-radius: 50%; background: var(--paper); transform: translate(-50%, -50%); }
.slider-line { position: absolute; left: calc(var(--k) * 100%); top: -26px; bottom: -36px; border-left: 1.5px dotted var(--ink); }
.slider.in .slider-fill { animation: grow 1.2s var(--ease) both 0.2s; }
.slider-val { margin-left: calc(var(--c) * 100% - 140px); }
.slider-scale { display: flex; justify-content: space-between; margin-top: 26px; }
.rule-note { margin-top: 40px; font-size: 13px; }
.rule-table { margin-top: 30px; border-top: 1px solid var(--ink); font: 400 9px/1 var(--mono); }
.rule-table div { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--ink-16); }

/* agents */
.board { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--ink-16); }
.board-card { display: flex; flex-direction: column; gap: 6px; min-height: 158px; padding: 18px 16px 18px 0; border-right: 1px solid var(--ink-16); text-decoration: none; transition: background 0.2s; }
.board-card + .board-card { padding-left: 16px; }
.board-card:last-child { border-right: 0; }
.board-card:hover { background: rgba(29, 29, 29, 0.04); }
.board-rank { font: 400 10px/1 var(--mono); color: var(--ink-64); }
.board-card strong { margin-top: auto; font-size: clamp(22px, 2vw, 32px); font-weight: 480; letter-spacing: -0.045em; }
.board-n { font: 400 10px/1.4 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-64); }
.board-amt { font-size: 15px; }
.board-amt small { font: 400 9px var(--mono); color: var(--ink-64); }

/* token loop + get started */
.manifest { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 calc(var(--gutter) * -1); background: var(--void); color: var(--paper); }
.manifest li { display: grid; grid-template-rows: auto 1fr auto; min-height: 350px; padding: 24px; border-right: 1px solid var(--paper-16); }
.manifest li:last-child { border-right: 0; }
.manifest-i { font: 400 8px/1.5 var(--mono); color: var(--pink); }
.manifest strong { align-self: end; font-size: clamp(34px, 3.2vw, 54px); font-weight: 480; line-height: 1; letter-spacing: -0.05em; }
.manifest p { max-width: 26ch; margin-top: 20px; font: 400 8px/1.5 var(--mono); letter-spacing: 0.02em; text-transform: uppercase; color: var(--paper-64); }
.manifest p a { color: var(--paper); text-underline-offset: 2px; }
.chapter-use { padding-top: clamp(72px, 7vw, 128px); padding-bottom: 0; }
.chapter-use .manifest { border-bottom: 1px solid var(--paper-16); }
.chapter-use .manifest li { min-height: 300px; }

/* statements */
.pitch { padding-bottom: 80px; background: var(--void); }
.pitch-line { position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; min-height: 548px; align-items: center; padding: 72px var(--gutter); overflow: hidden; border-bottom: 1px solid var(--paper-08); isolation: isolate; }
.pitch-i { position: absolute; top: 40px; left: var(--gutter); font: 400 8px/1 var(--mono); color: var(--pink); }
.pitch-line p { grid-column: 2 / span 10; max-width: 9ch; font-size: clamp(56px, 11vw, 176px); font-weight: 455; line-height: 0.82; letter-spacing: -0.083em; }
.pitch-line:nth-child(3) p { max-width: 11ch; }
.pitch-pink { background: var(--pink); color: var(--ink); }
.pitch-pink .pitch-i { color: var(--ink); }
.pitch-line u { text-decoration-thickness: 0.04em; text-underline-offset: 0.08em; }

/* ---- footer -------------------------------------------------------------- */
.site-footer { padding: 72px var(--gutter) 40px; border-top: 1px solid var(--paper-16); background: var(--void); }
.footer-top { display: grid; grid-template-columns: 4fr 2.6fr 2.6fr 2.6fr; gap: 16px; }
.footer-brand > p { max-width: 32ch; margin: 18px 0 24px; font-size: 15px; line-height: 1.5; color: var(--paper-64); }
.footer-social { display: flex; gap: 10px; }
.footer-social a { display: inline-grid; place-items: center; min-width: 40px; height: 40px; border: 1px solid var(--paper-16); color: var(--paper-64); text-decoration: none; transition: border-color 0.2s, color 0.2s; }
.footer-social a:hover { border-color: var(--paper); color: var(--paper); }
.footer-social .mail { padding: 0 14px; font: 400 12px var(--mono); }
.footer-col { display: flex; flex-direction: column; gap: 16px; }
.footer-col p { margin-bottom: 2px; font: 400 12px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.footer-col a { font-size: 15px; color: var(--paper-64); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--paper); }
.footer-bottom { display: flex; justify-content: space-between; gap: 40px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--paper-16); font-size: 13px; line-height: 1.5; color: var(--paper-64); }
.footer-bottom p:last-child { max-width: 72ch; text-align: right; }
.footer-bottom a { color: var(--paper); text-underline-offset: 2px; }
.noscript { padding: 40px; text-align: center; }

/* ---- soon, contract address ------------------------------------------------ */
.is-soon { cursor: default; opacity: 0.6; }
.xbtn.is-soon:hover { background: var(--pink); color: var(--ink); }
.is-soon small { font: inherit; opacity: 0.8; }
.soon-tag { color: var(--paper-32); }
.loop-buy { display: flex; flex-wrap: wrap; align-items: stretch; gap: 12px; margin-top: 40px; }
.loop-buy .xbtn { min-height: 52px; }
.ca-box { display: flex; flex: 1 1 420px; align-items: center; gap: 14px; min-height: 52px; padding: 0 0 0 16px; border: 1px solid var(--paper-16); }
.ca-label { font: 400 9px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--paper-64); white-space: nowrap; }
.ca-value { flex: 1; min-width: 0; overflow-wrap: anywhere; font: 400 13px/1.4 var(--mono); color: var(--paper-64); }
.ca-box.is-live .ca-value { color: var(--paper); }
.ca-copy { align-self: stretch; padding: 0 16px; border-left: 1px solid var(--paper-16); font: 400 10px/1 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; color: var(--pink); }
.ca-copy:hover { background: var(--pink); color: var(--ink); }

/* ---- reveal -------------------------------------------------------------- */
.rv { opacity: 0.35; transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.rv.in { opacity: 1; }
.chapter-head.rv, .pitch-line p.rv, .equation.rv, .verdict.rv { opacity: 0; transform: translateY(8px); }
.chapter-head.rv.in, .pitch-line p.rv.in, .equation.rv.in, .verdict.rv.in { opacity: 1; transform: none; }
.manifest li.rv, .board-card.rv { transition-delay: calc(var(--i) * 80ms); }

/* ---- responsive ---------------------------------------------------------- */
@media (min-width: 1440px) {
  .site-nav, .release, .header-cta { font-size: 11px; }
  .mode { font-size: 10px; }
  .field-meta { font-size: 9px; }
}
@media (max-width: 1100px) {
  .release, .site-nav { display: none; }
  .header-cta { margin-left: auto; min-height: 40px; padding: 0 14px; font-size: 11px; }
  .cta-wide { display: none; }
  .cta-phone, .menu { display: inline; }
  .menu { display: inline-grid; place-items: center; width: 44px; height: 44px; }
  .site-header.is-open .site-nav { position: absolute; top: 100%; left: 0; right: 0; display: flex; flex-wrap: wrap; align-content: flex-start; gap: 0; height: calc(100dvh - 100%); margin: 0; padding: 8px var(--gutter) 24px; overflow-y: auto; background: var(--void); font-size: 12px; }
  .site-header.is-open .site-nav a:not(.nav-icon) { display: flex; flex: 0 0 100%; align-items: center; min-height: 56px; border-bottom: 1px solid var(--paper-16); }
  .site-header.is-open .nav-icon { width: 48px; height: 48px; margin-top: 16px; }
  .hero-statement { grid-column: 1 / -1; }
  .hero-intro { grid-column: 7 / -1; }
  .projection { grid-column: 6 / -1; }
  .chapter-head h2 { grid-column: 3 / span 8; }
  .chapter-head > p:last-child { grid-column: 7 / -1; margin-top: 42px; }
  .manifest { grid-template-columns: repeat(2, 1fr); }
  .manifest li:nth-child(2) { border-right: 0; }
  .manifest li { border-bottom: 1px solid var(--paper-16); }
  .board { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 48px; }
}
@media (max-width: 767px) {
  :root { --gutter: 16px; }
  .site-header { min-height: 56px; gap: 12px; }
  .site-header .brand-link .mark { width: 26px; height: 26px; }
  .site-header .brand-link .wordmark { height: 15px; width: auto; }
  .readout { top: 70px; left: var(--gutter); width: calc(100% - 190px); transform: none; white-space: normal; line-height: 1.5; font-size: 11px; }
  .data-link { top: 74px; font-size: 11px; }
  .hero-stage::after { width: 128vw; }
  .modes { bottom: 46px; }
  .mode { flex: 1 1 auto; justify-content: center; min-height: 44px; padding: 0 6px; font-size: 10px; }
  .field-meta { bottom: 18px; font-size: 7px; }
  .hero-step { grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 78px 16px 32px; }
  .hero-statement { margin-top: 70px; }
  .kicker { width: fit-content; padding: 6px 10px 6px 0; background: var(--void); font-size: 11px; }
  .hero h1 { font-size: clamp(56px, 16vw, 78px); margin-top: 60px; }
  .hero h1 span { padding-left: 0; }
  .hero-intro { grid-column: 1 / -1; margin-bottom: 4vh; padding: 20px; }
  .hero-intro > p:first-child { font-size: 16px; color: rgba(248, 247, 244, 0.86); }
  .hero-actions { flex-direction: column; }
  .xbtn { min-height: 48px; font-size: 11px; }
  .projection { grid-column: 1 / -1; margin-bottom: 0; padding: 16px 20px; }
  .projection h2 { margin: 16px 0; font-size: clamp(42px, 12.5vw, 60px); }
  .chapter { padding: 96px 16px; }
  .chapter-head { grid-template-columns: 1fr; gap: 0; }
  .chapter-head h2, .chapter-head > p:last-child, .chapter-head > .chapter-index { grid-column: 1; }
  .chapter-index { margin-bottom: 40px; }
  .chapter-head h2 { font-size: clamp(52px, 15vw, 74px); }
  .chapter-head > p:last-child { margin-top: 40px; }
  .feed-row { grid-template-columns: minmax(0, 1fr) 90px; gap: 10px 16px; }
  .feed-kind { grid-column: 1 / -1; }
  .feed-conf { grid-column: 1; }
  .callout { min-height: 600px; }
  .callout-meta { display: grid; gap: 6px; }
  .equation strong { font-size: 21vw; }
  .equation span { font-size: 8vw; }
  .verdict { max-width: none; margin: 72px 0 0; font-size: 14vw; }
  .slider { padding: 0; font-size: 12px; }
  .slider-cut { margin-left: calc(var(--k) * 100% - 40px); }
  .slider-val { margin-left: calc(var(--c) * 100% - 100px); }
  .board { grid-template-columns: 1fr 1fr; }
  .board-card { padding-left: 16px; border-bottom: 1px solid var(--ink-16); }
  .manifest { grid-template-columns: 1fr; }
  .manifest li { min-height: 260px; border-right: 0; }
  .pitch-line { grid-template-columns: 1fr; min-height: 0; padding: 120px 16px 100px; }
  .pitch-line p { grid-column: 1; font-size: 15vw; max-width: none; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 24px; }
  .footer-bottom p:last-child { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  .rv, .chapter-head.rv, .pitch-line p.rv, .equation.rv, .verdict.rv { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation: none !important; }
}