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

:root {
  --ink: #171714;
  --paper: #f3f0e7;
  --paper-bright: #fbfaf5;
  --orange: #ff5a1f;
  --orange-light: #ff7644;
  --blue: #3153d9;
  --orange-readable: #a92f05;
  --acid: #d9f63c;
  --grey: #aaa99f;
  --line: rgba(23, 23, 20, 0.16);
  --line-dark: rgba(255, 255, 255, 0.16);
  --sans: 'DM Sans', Arial, sans-serif;
  --display: 'Manrope', Arial, sans-serif;
  --shell: min(1400px, calc(100vw - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.5; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
::selection { background: var(--orange); color: #fff; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding-block: clamp(96px, 11vw, 168px); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; transform: translateY(-180%); padding: 12px 18px; background: #fff; border: 2px solid var(--ink); font-weight: 700; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; width: 100%; height: 88px; padding: 0 max(24px, calc((100vw - 1400px) / 2)); display: flex; align-items: center; justify-content: space-between; color: #fff; transition: background .25s, color .25s, height .25s, box-shadow .25s; }
.site-header.is-scrolled { height: 72px; background: rgba(243, 240, 231, .93); color: var(--ink); box-shadow: 0 1px 0 var(--line); backdrop-filter: blur(15px); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { width: 38px; height: 38px; fill: none; stroke: currentColor; stroke-width: 1.4; overflow: visible; }
.brand-mark__core { fill: var(--orange); stroke: var(--orange); }
.brand-name { font-family: var(--display); font-size: 22px; font-weight: 700; letter-spacing: -.055em; }
.brand-descriptor { padding-left: 12px; border-left: 1px solid currentColor; font-size: 9px; font-weight: 600; line-height: 1.22; letter-spacing: .08em; text-transform: uppercase; opacity: .72; }
.site-nav { display: flex; align-items: center; gap: clamp(22px, 2.4vw, 42px); font-size: 14px; }
.site-nav a { text-decoration: none; }
.site-nav > a:not(.nav-cta) { position: relative; }
.site-nav > a:not(.nav-cta)::after { content: ''; position: absolute; left: 0; bottom: -7px; width: 100%; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .25s; }
.site-nav > a:hover::after, .site-nav > a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { display: inline-flex; align-items: center; gap: 28px; padding: 12px 16px; border: 1px solid currentColor; transition: background .2s, color .2s; }
.nav-cta:hover, .nav-cta:focus-visible { background: #fff; color: var(--ink); }
.site-header.is-scrolled .nav-cta:hover { background: var(--ink); color: #fff; }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 960px; height: 100svh; max-height: 1120px; background: var(--ink); color: #fff; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 72% 50%, rgba(63, 102, 244, .2), transparent 29%), radial-gradient(circle at 66% 60%, rgba(255, 90, 31, .11), transparent 38%); }
.hero-grid { position: absolute; inset: 0; opacity: .11; background-image: linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px); background-size: 88px 88px; mask-image: linear-gradient(90deg, #000 35%, transparent 100%); }
.hero-content { position: relative; z-index: 2; height: 100%; padding-top: clamp(150px, 18vh, 205px); display: flex; flex-direction: column; align-items: flex-start; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 28px; font-size: 12px; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.live-dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: var(--acid); box-shadow: 0 0 0 5px rgba(217,246,60,.12); }
.live-dot::after { content: ''; position: absolute; inset: -7px; border: 1px solid var(--acid); border-radius: inherit; animation: ping 2.2s ease-out infinite; }
@keyframes ping { 0% { transform: scale(.35); opacity: 1; } 70%, 100% { transform: scale(1.4); opacity: 0; } }
.hero h1 { max-width: 860px; margin: 0; font-family: var(--display); font-size: clamp(62px, 7vw, 118px); font-weight: 500; line-height: .92; letter-spacing: -.068em; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-lede { max-width: 610px; margin: 34px 0 0; font-size: clamp(18px, 1.45vw, 23px); line-height: 1.5; color: rgba(255,255,255,.7); }
.hero-actions { display: flex; align-items: center; gap: 34px; margin-top: 42px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: space-between; gap: 42px; padding: 0 20px; border: 0; text-decoration: none; font-size: 14px; font-weight: 600; cursor: pointer; transition: transform .2s, background .2s, color .2s; }
.button:hover, .button:focus-visible { transform: translateY(-3px); }
.button--primary { background: var(--orange); color: #fff; }
.button--primary:hover, .button--primary:focus-visible { background: var(--orange-light); }
.button--light { background: var(--paper-bright); color: var(--ink); }
.text-link { font-size: 14px; text-underline-offset: 5px; }
.hero-proof { width: min(650px, 52%); margin-top: auto; padding-bottom: 38px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.2); }
.hero-proof div { padding: 18px 18px 0 0; display: flex; flex-direction: column; gap: 2px; }
.hero-proof strong { font-size: 13px; font-weight: 600; }
.hero-proof span { font-size: 11px; color: rgba(255,255,255,.45); }
.signal-field { position: absolute; z-index: 1; width: min(60vw, 850px); aspect-ratio: 1; right: -6vw; top: 50%; transform: translateY(-48%); }
.orbit { position: absolute; border: 1px solid rgba(255,255,255,.19); border-radius: 50%; animation: breathe 7s ease-in-out infinite; }
.orbit::before { content: ''; position: absolute; inset: 14%; border: 1px dashed rgba(255,255,255,.08); border-radius: inherit; }
.orbit--outer { inset: 0; }
.orbit--middle { inset: 18%; animation-delay: -2s; }
.orbit--inner { inset: 36%; animation-delay: -4s; }
@keyframes breathe { 0%,100% { transform: scale(1); opacity: .7; } 50% { transform: scale(1.025); opacity: 1; } }
.signal-core { position: absolute; left: 50%; top: 50%; width: 118px; height: 118px; transform: translate(-50%,-50%); display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: 50%; background: var(--orange); box-shadow: 0 0 80px rgba(255,90,31,.34); }
.signal-core b { font-family: var(--display); font-size: 24px; letter-spacing: -.05em; }
.signal-core small { margin-top: 3px; font-size: 8px; letter-spacing: .12em; text-transform: uppercase; }
.signal-node { position: absolute; width: 17px; height: 17px; border: 4px solid var(--ink); border-radius: 50%; background: var(--acid); box-shadow: 0 0 0 1px rgba(255,255,255,.45); }
.signal-node span { position: absolute; top: 20px; left: 50%; transform: translateX(-50%); white-space: nowrap; padding: 5px 8px; background: rgba(23,23,20,.75); color: rgba(255,255,255,.72); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.signal-node--one { top: 7%; left: 48%; }
.signal-node--two { top: 50%; left: 9%; background: var(--blue); }
.signal-node--three { top: 78%; left: 69%; background: var(--orange); }
.signal-node--four { top: 37%; right: 5%; }

.ticker { height: 78px; display: flex; align-items: center; background: var(--acid); overflow: hidden; border-block: 1px solid var(--ink); }
.ticker-track { width: max-content; display: flex; align-items: center; gap: 34px; animation: ticker 28s linear infinite; }
.ticker span { font-family: var(--display); font-size: 28px; font-weight: 600; letter-spacing: -.04em; text-transform: uppercase; }
.ticker i { font-size: 10px; font-style: normal; }
@keyframes ticker { to { transform: translateX(-50%); } }

.section-kicker { margin-bottom: 50px; display: flex; align-items: center; gap: 15px; font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.section-kicker span { color: var(--orange-readable); }
.section-kicker::after { content: ''; width: 52px; height: 1px; background: currentColor; opacity: .35; }
.section-kicker--light { color: #fff; }
.section-kicker--light span { color: var(--acid); }
.manifesto-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 11vw; }
.manifesto h2, .business-intro h2, .examples h2, .principles h2 { margin: 0; font-family: var(--display); font-size: clamp(48px, 6.2vw, 94px); font-weight: 500; line-height: .98; letter-spacing: -.065em; }
.manifesto-copy { padding-top: 10px; }
.manifesto-copy p { margin: 0 0 28px; font-size: clamp(18px, 1.6vw, 24px); line-height: 1.58; }
.manifesto-copy p + p { color: rgba(23,23,20,.7); }

.platform { background: var(--blue); color: #fff; }
.section-heading { display: grid; grid-template-columns: 1fr .7fr; column-gap: 8vw; align-items: end; }
.section-heading .section-kicker { grid-column: 1 / -1; }
.section-heading h2 { margin: 0; font-family: var(--display); font-size: clamp(62px, 7.5vw, 118px); font-weight: 500; line-height: .92; letter-spacing: -.07em; }
.section-heading > p { max-width: 520px; margin: 0 0 8px; font-size: 19px; line-height: 1.55; color: #fff; }
.loop-diagram { margin-top: 84px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.32); }
.loop-card { min-height: 420px; padding: 24px; display: flex; flex-direction: column; border-right: 1px solid rgba(255,255,255,.32); transition: background .3s, color .3s, transform .3s; }
.loop-card:last-child { border-right: 0; }
.loop-card:hover { background: var(--paper-bright); color: var(--ink); transform: translateY(-8px); }
.loop-card--capture { background: var(--orange); color: var(--ink); }
.loop-card__top { display: flex; justify-content: space-between; font-size: 11px; }
.loop-card__top i { font-size: 24px; font-style: normal; }
.loop-card h3 { margin: auto 0 15px; font-family: var(--display); font-size: 42px; font-weight: 500; letter-spacing: -.055em; }
.loop-card p { min-height: 104px; margin: 0; color: currentColor; opacity: .92; }
.loop-card small { padding-top: 22px; border-top: 1px solid currentColor; font-size: 9px; letter-spacing: .11em; text-transform: uppercase; opacity: .86; }

.business-intro { display: grid; grid-template-columns: 1fr .55fr; gap: 9vw; align-items: end; }
.business-intro p { margin: 0 0 8px; font-size: 19px; line-height: 1.55; }
.benefit-grid { margin-top: 84px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.benefit-card { min-height: 310px; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; background: var(--paper-bright); border: 1px solid var(--line); }
.benefit-card__number { font-size: 11px; }
.benefit-card h3 { max-width: 530px; margin: 0 0 15px; font-family: var(--display); font-size: clamp(30px, 3vw, 48px); font-weight: 500; line-height: 1.03; letter-spacing: -.055em; }
.benefit-card p { max-width: 520px; margin: 0; color: rgba(23,23,20,.72); }
.benefit-card--orange { background: var(--orange); color: var(--ink); border-color: var(--orange); }
.benefit-card--orange p { color: var(--ink); }
.benefit-card--dark p { color: rgba(255,255,255,.82); }
.benefit-card--blue { background: var(--blue); color: #fff; border-color: var(--blue); }
.benefit-card--blue p { color: #fff; }
.benefit-card--dark { background: var(--ink); color: #fff; border-color: var(--ink); }

.network { position: relative; min-height: 900px; padding-block: 0; display: flex; align-items: stretch; background: var(--ink); color: #fff; overflow: hidden; }
.network-copy { min-height: 900px; display: flex; flex-direction: column; justify-content: center; padding-right: 55%; }
.network-copy h2 { margin: 0; font-family: var(--display); font-size: clamp(54px, 6.8vw, 104px); font-weight: 500; line-height: .95; letter-spacing: -.068em; }
.network-copy > p { margin: 32px 0 0; font-size: 18px; line-height: 1.6; color: rgba(255,255,255,.64); }
.network-list { margin: 48px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.network-list li { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line-dark); font-size: 13px; }
.network-list span { color: var(--orange); }
.network-map { position: absolute; width: min(54vw, 840px); aspect-ratio: 1; top: 50%; right: -2vw; transform: translateY(-50%); border: 1px solid rgba(255,255,255,.13); border-radius: 50%; background: radial-gradient(circle, rgba(255,90,31,.17), transparent 44%); }
.network-map::before, .network-map::after { content: ''; position: absolute; border: 1px dashed rgba(255,255,255,.14); border-radius: 50%; }
.network-map::before { inset: 17%; }
.network-map::after { inset: 34%; }
.map-centre { position: absolute; z-index: 2; left: 50%; top: 50%; width: 150px; height: 150px; transform: translate(-50%,-50%); display: grid; place-items: center; border-radius: 50%; background: var(--orange); text-align: center; font-family: var(--display); font-size: 23px; line-height: 1.05; }
.map-node { position: absolute; z-index: 3; width: 72px; height: 72px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; background: var(--ink); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.map-node::after { content: ''; position: absolute; width: 7px; height: 7px; bottom: 2px; right: 7px; border-radius: 50%; background: var(--acid); }
.map-node--home { top: 4%; left: 46%; }
.map-node--cafe { top: 29%; left: 3%; }
.map-node--studio { top: 69%; left: 12%; }
.map-node--trade { bottom: 4%; left: 54%; }
.map-node--finance { top: 59%; right: 4%; }
.map-node--event { top: 16%; right: 12%; }

.section-heading--split { grid-template-columns: 1.2fr .5fr; }
.section-heading--split h2 { color: var(--ink); font-size: clamp(52px, 6vw, 92px); }
.section-heading--split > p { color: rgba(23,23,20,.7); }
.example-tabs { margin-top: 76px; border: 1px solid var(--ink); }
.tab-list { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--ink); }
.tab-list button { min-height: 64px; border: 0; border-right: 1px solid var(--ink); background: transparent; cursor: pointer; font-weight: 600; transition: background .2s, color .2s; }
.tab-list button:last-child { border-right: 0; }
.tab-list button[aria-selected="true"] { background: var(--ink); color: #fff; }
.example-panel { min-height: 420px; padding: clamp(34px, 5vw, 70px); grid-template-columns: 1fr .7fr; gap: 8vw; align-items: end; background: var(--paper-bright); }
.example-panel:not([hidden]) { display: grid; }
.example-label { font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--orange-readable); }
.example-story h3 { margin: 18px 0; font-family: var(--display); font-size: clamp(36px, 4vw, 58px); font-weight: 500; line-height: 1; letter-spacing: -.057em; }
.example-story p { max-width: 650px; margin: 0; color: rgba(23,23,20,.62); }
.signal-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.signal-steps li { display: grid; grid-template-columns: 38px 1fr; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.signal-steps b { color: var(--orange-readable); font-size: 10px; }

.builder { background: var(--blue); color: #fff; }
.builder-heading { display: grid; grid-template-columns: 1fr .7fr; align-items: end; gap: 7vw; }
.builder-heading .section-kicker { grid-column: 1/-1; }
.builder-heading h2 { margin: 0; font-family: var(--display); font-size: clamp(64px, 7.5vw, 112px); font-weight: 500; line-height: .91; letter-spacing: -.072em; }
.builder-heading > p { max-width: 480px; margin: 0 0 8px; color: #fff; font-size: 18px; }
.loop-builder { margin-top: 78px; display: grid; grid-template-columns: 1.35fr .65fr; border: 1px solid rgba(255,255,255,.32); }
.builder-options { padding: 40px; }
.builder-options fieldset { margin: 0 0 42px; padding: 0 0 38px; border: 0; border-bottom: 1px solid rgba(255,255,255,.22); }
.builder-options fieldset:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.builder-options legend { margin-bottom: 20px; font-family: var(--display); font-size: 21px; font-weight: 600; }
.builder-options legend span { display: inline-grid; width: 28px; height: 28px; margin-right: 10px; place-items: center; border: 1px solid rgba(255,255,255,.6); border-radius: 50%; font-family: var(--sans); font-size: 10px; }
.choice-row { display: flex; flex-wrap: wrap; gap: 9px; }
.choice-row button { padding: 10px 15px; border: 1px solid rgba(255,255,255,.38); border-radius: 999px; background: transparent; color: #fff; font-size: 12px; cursor: pointer; }
.choice-row button[aria-pressed="true"] { background: var(--acid); border-color: var(--acid); color: var(--ink); }
.builder-output { padding: 38px; display: flex; flex-direction: column; background: var(--orange); color: var(--ink); }
.builder-output > span { font-size: 10px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.builder-output > p { margin: 70px 0 auto; font-family: var(--display); font-size: clamp(28px, 3.1vw, 43px); line-height: 1.12; letter-spacing: -.05em; }
.builder-output > p strong { font-weight: 600; color: var(--ink); }
.mini-loop { margin: 48px 0 25px; padding: 18px 0; display: flex; align-items: center; justify-content: space-between; border-block: 1px solid rgba(23,23,20,.35); }
.mini-loop i { font-size: 9px; font-style: normal; letter-spacing: .09em; text-transform: uppercase; }
.builder-output small { margin-top: 13px; color: var(--ink); }

.principles > h2 { max-width: 1040px; }
.principle-grid { margin-top: 80px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.principle-grid article { min-height: 280px; padding: 20px 24px 24px 0; border-right: 1px solid var(--line); }
.principle-grid article:not(:first-child) { padding-left: 24px; }
.principle-grid article:last-child { border-right: 0; }
.principle-grid span { color: var(--orange-readable); font-size: 10px; }
.principle-grid h3 { margin: 105px 0 12px; font-family: var(--display); font-size: 25px; letter-spacing: -.045em; }
.principle-grid p { margin: 0; color: rgba(23,23,20,.7); }

.final-cta { position: relative; min-height: 720px; display: flex; align-items: center; background: var(--ink); color: #fff; overflow: hidden; }
.final-cta::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 80px 80px; }
.final-cta__content { position: relative; z-index: 2; }
.final-cta h2 { max-width: 1000px; margin: 0; font-family: var(--display); font-size: clamp(58px, 8vw, 124px); font-weight: 500; line-height: .92; letter-spacing: -.07em; }
.final-cta__content > p:not(.eyebrow) { max-width: 560px; margin: 32px 0; color: rgba(255,255,255,.64); font-size: 19px; }
.final-cta__signal { position: absolute; width: 750px; height: 750px; right: -280px; bottom: -370px; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 0 0 95px rgba(255,90,31,.04), 0 0 0 190px rgba(255,90,31,.025); }
.final-cta__signal::after { content: ''; position: absolute; width: 110px; height: 110px; left: 40%; top: 28%; border-radius: 50%; background: var(--orange); box-shadow: 0 0 70px rgba(255,90,31,.45); }

.site-footer { background: var(--paper); }
.footer-top { padding: 70px 0 55px; display: grid; grid-template-columns: 1fr 1fr .65fr; gap: 60px; align-items: start; }
.brand--footer .brand-mark { width: 46px; height: 46px; }
.brand--footer .brand-name { font-size: 30px; }
.footer-top p { margin: 0; color: rgba(23,23,20,.7); }
.footer-top nav { display: grid; gap: 10px; }
.footer-top nav a { text-decoration: none; font-size: 13px; }
.footer-bottom { padding: 18px 0; display: flex; justify-content: space-between; border-top: 1px solid var(--line); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }

[data-reveal-group] > * { opacity: 1; transform: translateY(0); }
[data-reveal-group].is-visible > * { opacity: 1; transform: translateY(0); transition: opacity .55s ease, transform .55s ease; }
[data-reveal-group].is-visible > *:nth-child(2) { transition-delay: .08s; }
[data-reveal-group].is-visible > *:nth-child(3) { transition-delay: .16s; }
[data-reveal-group].is-visible > *:nth-child(4) { transition-delay: .24s; }

@media (max-width: 1050px) {
  :root { --shell: min(100% - 40px, 940px); }
  .brand-descriptor { display: none; }
  .hero { min-height: 860px; }
  .signal-field { width: 660px; right: -260px; opacity: .7; }
  .hero h1 { font-size: clamp(62px, 10vw, 94px); }
  .loop-diagram { grid-template-columns: repeat(2, 1fr); }
  .loop-card:nth-child(2) { border-right: 0; }
  .loop-card:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.32); }
  .business-intro, .manifesto-layout, .section-heading, .builder-heading { grid-template-columns: 1fr; gap: 34px; }
  .section-heading .section-kicker, .builder-heading .section-kicker { grid-column: auto; }
  .section-heading > p, .builder-heading > p { max-width: 650px; }
  .network-copy { padding-right: 44%; }
  .network-map { right: -240px; }
  .loop-builder { grid-template-columns: 1fr; }
  .builder-output { min-height: 470px; }
  .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .principle-grid article:nth-child(2) { border-right: 0; }
  .principle-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 760px) {
  :root { --shell: calc(100vw - 32px); }
  .section { padding-block: 92px; }
  .site-header { height: 70px; padding-inline: 18px; }
  .menu-toggle { z-index: 3; width: 42px; height: 42px; padding: 0 9px; display: flex; flex-direction: column; justify-content: center; gap: 6px; border: 1px solid currentColor; background: transparent; }
  .menu-toggle span:not(.sr-only) { width: 100%; height: 1px; background: currentColor; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:nth-last-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; padding: 110px 24px 32px; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0; background: var(--ink); color: #fff; transform: translateX(100%); transition: transform .3s ease; }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav > a { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.18); font-family: var(--display); font-size: 28px; }
  .site-nav .nav-cta { margin-top: auto; padding: 18px; border: 1px solid #fff; font-family: var(--sans); font-size: 14px; }
  .site-header:has(.site-nav.is-open) { color: #fff; background: var(--ink); }
  .hero { min-height: 820px; height: 100svh; max-height: 900px; }
  .hero-content { padding-top: 128px; }
  .hero h1 { max-width: 560px; font-size: clamp(53px, 15.4vw, 78px); }
  .hero-lede { max-width: 520px; margin-top: 26px; font-size: 17px; }
  .hero-actions { margin-top: 30px; flex-direction: column; align-items: flex-start; gap: 18px; }
  .hero-proof { width: 100%; }
  .hero-proof span { display: none; }
  .signal-field { width: 450px; right: -300px; opacity: .45; }
  .signal-node span { display: none; }
  .ticker { height: 62px; }
  .ticker span { font-size: 21px; }
  .section-kicker { margin-bottom: 34px; }
  .manifesto h2, .business-intro h2, .examples h2, .principles h2 { font-size: clamp(45px, 13vw, 68px); }
  .manifesto-layout { gap: 44px; }
  .section-heading h2, .builder-heading h2 { font-size: clamp(58px, 16vw, 82px); }
  .loop-diagram { margin-top: 55px; grid-template-columns: 1fr; }
  .loop-card { min-height: 330px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.32); }
  .loop-card:last-child { border-bottom: 0; }
  .loop-card p { min-height: auto; margin-bottom: 35px; }
  .benefit-grid { margin-top: 52px; grid-template-columns: 1fr; }
  .benefit-card { min-height: 280px; }
  .network { min-height: auto; }
  .network-copy { min-height: auto; padding: 92px 16px 530px; }
  .network-copy h2 { font-size: clamp(53px, 15vw, 76px); }
  .network-map { width: 520px; top: auto; bottom: -30px; right: 50%; transform: translateX(50%); }
  .section-heading--split { grid-template-columns: 1fr; }
  .example-tabs { margin-top: 48px; }
  .tab-list button { font-size: 12px; }
  .example-panel { grid-template-columns: 1fr; gap: 44px; }
  .loop-builder { margin-top: 50px; }
  .builder-options { padding: 24px; }
  .builder-output { min-height: 490px; padding: 27px; }
  .principle-grid { margin-top: 52px; grid-template-columns: 1fr; }
  .principle-grid article, .principle-grid article:not(:first-child) { min-height: 210px; padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .principle-grid h3 { margin-top: 66px; }
  .final-cta { min-height: 730px; }
  .final-cta h2 { font-size: clamp(55px, 15.5vw, 82px); }
  .footer-top { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { gap: 20px; }
  .footer-bottom span:last-child { text-align: right; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal-group] > * { opacity: 1; transform: none; }
}

@media print {
  .site-header, .ticker, .menu-toggle { display: none; }
  .hero { min-height: 700px; height: auto; }
  .section { break-inside: avoid; }
}
