/* One chapter = one viewport, including its header clearance and all controls. */
:root { --scene-header: 76px; --scene-gap: clamp(16px, 2.6svh, 28px); }
.hero-journey { height: 200svh; }
main > section:not(.hero-journey), .site-footer {
  height: 100svh;
  min-height: 0;
  padding-block: calc(var(--scene-header) + var(--scene-gap)) var(--scene-gap);
  scroll-margin-top: 0;
}
main > section:not(.hero-journey) { display: flex; flex-direction: column; justify-content: center; }
main > section:not(.hero-journey) > .shell { min-height: 0; width: min(100% - var(--gutter) * 2, 1440px); }
.section-top, .experience > .section-top { margin-bottom: var(--scene-gap); flex-shrink: 0; }
.manifesto > .shell, .partners > .shell { display: flex; flex-direction: column; height: 100%; }
.manifesto-grid { grid-template-columns: 1.15fr .85fr; align-items: center; gap: 8%; flex: 1; min-height: 0; }
.statement { font-size: clamp(38px, 7.5svh, 78px); line-height: 1.06; }
.manifesto-copy { max-width: 420px; font-size: 13px; line-height: 1.75; }
.manifesto-copy .mini-star { margin-bottom: 12px; }
.manifesto-copy p + p { margin-top: 12px; }
.manifesto-copy .line-link { margin-top: 8px; }
.connection-scene { flex-shrink: 0; height: clamp(145px, 26svh, 250px); margin-top: var(--scene-gap); }
.connection-side { gap: 8px; margin-top: -64px; }
.connection-side strong { font-size: clamp(26px, 4.8svh, 46px); }
.connection-symbol { font-size: 21px; }
.connection-hub { width: 120px; margin: -60px; }
.connection-hub > span { font-size: 23px; }
.connection-caption { bottom: 12px; font-size: 14px; }
.connection-heading { top: 12px; }
.creative-lab { min-height: 0; flex: 1; padding: clamp(18px, 3svh, 36px) 5%; }
.lab-copy { padding-right: 16px; }
.lab-copy > .eyebrow { margin-bottom: 16px; }
.lab-copy h2 { font-size: clamp(36px, 6svh, 68px); }
.lab-description { margin-top: 14px; }
.brand-field { margin-top: 22px; }
.brand-field input { font-size: 23px; padding-block: 8px 10px; }
.concept-picker { margin-top: 18px; }
.light-picker { margin-top: 18px; }
.lab-contact { margin-top: 20px; }
.lab-visual { height: 100%; min-height: 0; }
.campaign-display { position: absolute; width: 286px; top: 50%; left: 50%; margin: -214px 0 0 -143px; }
.ad-screen { height: 405px; }
.experience-footnote { margin-top: 12px; font-size: 9px; }
.process-grid { grid-template-columns: 1.1fr .9fr; gap: 8%; align-items: center; }
.process-intro { position: static; }
.process-intro .section-title { font-size: clamp(30px, 5.8svh, 60px); margin-top: 18px; }
.process-intro .section-description { margin-top: 14px; font-size: 12px; max-width: 440px; }
.earning-scene { margin-top: 18px; max-width: 380px; }
.earning-map { max-height: 125px; }
.earning-scene-top { padding-top: 10px; }
.process-intro .deposit-note { margin-top: 14px; max-width: 440px; font-size: 11px; line-height: 1.6; }
.process-intro .deposit-note strong { margin-bottom: 3px; }
.process-intro > .button-join { margin-top: 16px; }
.process-steps { padding-right: 20px; }
.process-step { padding: 22px 0; grid-template-columns: 48px 1fr; gap: 20px; }
.process-step:last-child { padding-bottom: 0; }
.process-step .eyebrow { font-size: 7px; margin-bottom: 10px; }
.process-step h3 { font-size: 27px; margin-bottom: 10px; }
.process-step div > p:not(.eyebrow) { max-width: none; font-size: 12px; line-height: 1.65; }
.step-number { font-size: 36px; }
.step-point { right: -24px; top: 28px; }
.step-purchase { display: none; }
.process-step div > p.earning-formula { margin-top: 10px; font-size: 10px; }
.button.button-join, .button.button-join--compact { min-height: 44px; padding: 11px 18px; font-size: 12px; }
.partners-grid { flex: 1; min-height: 0; align-items: center; gap: 8%; }
.partners-intro { min-height: 0; }
.partners .section-title { font-size: clamp(34px, 6svh, 62px); }
.partners .section-description { margin-top: 16px; font-size: 12px; }
.city-scene { margin-top: 18px; }
.city-stage { height: clamp(180px, 32svh, 300px); }
.city-plane { top: calc(50% - 160px); scale: .8; }
.partner-row summary { padding-block: 18px; }
.partner-row h3 { font-size: 24px; }
.partner-content { padding: 0 0 20px 32px; }
.partner-content > p { font-size: 12px; line-height: 1.65; }
.partner-content .button-join { margin-top: 12px; }
.contact-grid { align-items: center; }
.contact > .shell { display: flex; flex-direction: column; height: 100%; }
.contact-grid { flex: 1; }
.contact-intro h2 { font-size: clamp(36px, 7svh, 78px); }
.contact-intro > p { max-width: 360px; font-size: 12px; line-height: 1.7; margin-top: 18px; }
.contact .contact-spark { position: static; font-size: 60px; margin-top: 30px; }
.interest-picker { margin-bottom: 22px; }
.interest-picker legend { margin-bottom: 12px; }
.message-field { margin-top: 20px; }
.contact-form textarea { min-height: 64px; max-height: 100px; }
.form-bottom { margin-top: 20px; }
.form-status { margin-top: 10px; }
.site-footer { display: flex; flex-direction: column; justify-content: center; }
.footer-top { padding-top: 20px; }
.footer-wordmark { margin-block: auto; font-size: min(23vw, 39svh); line-height: 1.2; }
.footer-bottom { padding-bottom: 0; }

@media (max-width: 900px) {
  .manifesto-copy { font-size: 12px; }
  .contact-grid { grid-template-columns: 1fr 1.1fr; gap: 6%; }
  .contact-intro h2 { font-size: clamp(32px, 4.5vw, 50px); }
  .contact .contact-spark { font-size: 48px; }
  .form-row { gap: 18px; }
  .interest-picker label > span { font-size: 9px; padding: 9px 10px; }
  .process-grid { gap: 5%; }
  .process-step { gap: 12px; grid-template-columns: 36px 1fr; }
  .process-step h3 { font-size: 22px; }
}
@media (max-width: 600px) {
  :root { --scene-header: 67px; --scene-gap: clamp(12px, 2svh, 20px); }
  .manifesto-grid { grid-template-columns: 1fr; align-content: center; gap: 18px; }
  .statement { font-size: clamp(32px, 5.7svh, 48px); line-height: 1.04; }
  .manifesto-copy { max-width: none; padding-left: 0; font-size: 12px; }
  .manifesto-copy .mini-star { display: none; }
  .manifesto-copy .line-link { padding-block: 8px; }
  .connection-scene { height: clamp(140px, 24svh, 210px); margin-top: 14px; }
  .connection-hub { top: 50%; width: 80px; margin: -40px; }
  .connection-hub > span { font-size: 15px; }
  .connection-hub sup { font-size: 9px; }
  .connection-side { top: 50%; margin-top: -48px; gap: 6px; }
  .connection-side strong { font-size: 24px; }
  .connection-side > span:last-child { font-size: 5px; line-height: 1.4; }
  .connection-caption { bottom: 8px; font-size: 12px; }
  .connection-heading { top: 8px; }
  .creative-lab { margin-inline: 0; padding: 18px 16px; grid-template-columns: 1.1fr .9fr; grid-auto-rows: auto; gap: 14px 8px; align-content: center; }
  .lab-copy { display: contents; }
  .lab-copy > .eyebrow { grid-row: 1; grid-column: 1 / -1; margin: 0; font-size: 6px; }
  .lab-copy h2 { grid-row: 2; grid-column: 1; font-size: clamp(27px, 4.6svh, 38px); align-self: end; }
  .lab-description { grid-row: 3; grid-column: 1; font-size: 11px; line-height: 1.6; margin: 0; }
  .lab-visual { grid-column: 2; grid-row: 2 / 4; height: 100%; min-height: 170px; }
  .brand-field { grid-row: 4; grid-column: 1 / -1; margin: 0; max-width: none; }
  .brand-field > span { font-size: 10px; margin-bottom: 4px; }
  .brand-field input { font-size: 22px; padding-block: 8px; }
  .concept-picker { grid-row: 5; grid-column: 1 / -1; margin: 0; }
  .concept-picker legend { margin-bottom: 8px; }
  .concept-picker label > span { font-size: 10px; padding: 9px 14px; }
  .light-picker { grid-row: 6; grid-column: 1 / -1; margin: 0; gap: 14px; }
  .light-picker legend { font-size: 6px; margin-right: 8px; }
  .lab-contact { grid-row: 7; grid-column: 1 / -1; margin: 0; justify-self: start; }
  .preview-label { display: none; }
  .campaign-display { width: 286px; }
  .ad-screen { height: 405px; }
  .ad-caption { font-size: 6px; }
  .ad-brand { margin-top: 43px; font-size: var(--brand-size, 58px); }
  .ad-tagline { font-size: 24px; bottom: 66px; }
  .experience-footnote { font-size: 8px; line-height: 1.5; gap: 8px; margin-top: 10px; }
  .experience-footnote > span { max-width: 65%; }
  .experience-footnote > a { font-size: 5px; letter-spacing: .3px; }
  .process-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 12px 10px; }
  .process-intro { display: contents; }
  .process-intro > .eyebrow { grid-column: 1 / -1; grid-row: 1; }
  .process-intro .section-title { grid-column: 1; grid-row: 2; font-size: clamp(26px, 4svh, 34px); margin: 0; }
  .process-intro .section-description { grid-column: 1 / -1; grid-row: 3; font-size: 11px; line-height: 1.6; margin: 0; }
  .earning-scene { grid-column: 2; grid-row: 2; margin: 0; min-width: 0; }
  .earning-scene-top { padding-top: 6px; }
  .earning-scene-top > span:first-child, .earning-scene figcaption small { display: none; }
  .earning-scene figcaption { font-size: 7px; line-height: 1.5; padding-bottom: 6px; }
  .earning-map { max-height: 78px; margin: 0; }
  .process-steps { grid-column: 1 / -1; grid-row: 4; padding: 0; }
  .process-step { grid-template-columns: 30px 1fr; gap: 12px; padding: 12px 0; }
  .process-step:last-child { padding-bottom: 0; }
  .process-step .eyebrow, .step-track, .step-point, .process-step .earning-formula { display: none; }
  .process-step h3 { font-size: 19px; margin-bottom: 4px; }
  .process-step div > p:not(.eyebrow) { font-size: 11px; line-height: 1.5; }
  .step-number { font-size: 26px; letter-spacing: -1px; }
  .process-intro .deposit-note { grid-column: 1 / -1; grid-row: 5; margin: 0; font-size: 10px; line-height: 1.5; padding-left: 10px; }
  .process-intro > .button-join { grid-column: 1 / -1; grid-row: 6; margin: 0; justify-self: start; }
  .partners-grid { display: flex; flex-direction: column; justify-content: center; gap: 16px; }
  .partners-intro { display: grid; grid-template-columns: 1.2fr .8fr; gap: 10px 0; width: 100%; align-items: center; }
  .partners .section-title { grid-column: 1; grid-row: 1; font-size: clamp(29px, 4.5svh, 38px); }
  .partners .section-description { grid-column: 1; grid-row: 2; font-size: 11px; line-height: 1.6; margin: 0; }
  .city-scene { grid-column: 2; grid-row: 1 / 3; margin: 0; min-width: 0; align-self: stretch; }
  .city-scene-heading, .city-scene figcaption { display: none; }
  .city-stage { height: 100%; min-height: 145px; }
  .city-plane { top: calc(50% - 160px); scale: .36; }
  .partner-list { width: 100%; }
  .partner-row summary { padding-block: 12px; gap: 14px; }
  .partner-row h3 { font-size: 20px; }
  .partner-content { padding: 0 0 14px 24px; }
  .partner-content > p { font-size: 11px; line-height: 1.6; }
  .partner-content .button-join { margin-top: 10px; min-height: 38px; font-size: 11px; padding: 8px 14px; }
  .contact-grid { grid-template-columns: 1fr; gap: 18px; }
  .contact-intro h2 { font-size: clamp(29px, 4.5svh, 38px); }
  .contact-intro > p { font-size: 11px; line-height: 1.6; margin-top: 10px; max-width: 90%; }
  .contact .contact-spark { display: none; }
  .interest-picker { margin-bottom: 16px; }
  .interest-picker legend { margin-bottom: 10px; font-size: 7px; }
  .interest-picker label > span { padding: 8px 10px; font-size: 9px; }
  .form-row { grid-template-columns: 1fr 1fr; gap: 14px; }
  .form-row > label, .contact-form > label { gap: 6px; font-size: 10px; }
  .contact-form input:not([type=radio]), .contact-form textarea { padding: 6px 0 10px; font-size: 12px; }
  .message-field { margin-top: 14px; }
  .contact-form textarea { height: 60px; min-height: 60px; max-height: 80px; }
  .form-bottom { margin-top: 14px; gap: 10px; }
  .form-bottom .button { padding: 11px 14px; font-size: 10px; gap: 14px; }
  .form-status { min-height: 18px; font-size: 11px; margin-top: 8px; }
  .footer-wordmark { font-size: 22vw; }
  .footer-top { font-size: 10px; }
}
@media (max-height: 720px) and (min-width: 601px) {
  :root { --scene-gap: 14px; }
  .lab-copy h2 { font-size: 38px; }
  .lab-copy > .eyebrow { margin-bottom: 10px; }
  .lab-description { font-size: 11px; margin-top: 10px; }
  .brand-field { margin-top: 14px; }
  .concept-picker, .light-picker, .lab-contact { margin-top: 12px; }
  .concept-picker label > span { padding: 8px 12px; }
  .process-intro .section-title { font-size: 32px; margin-top: 12px; }
  .earning-map { max-height: 86px; }
  .earning-scene, .process-intro .deposit-note, .process-intro > .button-join { margin-top: 10px; }
  .process-step { padding-block: 16px; }
  .process-step .eyebrow { display: none; }
  .process-step h3 { font-size: 23px; }
  .partners .section-title { font-size: 36px; }
  .city-stage { height: 185px; }
  .city-plane { scale: .58; }
  .partners-grid { align-items: start; }
  .partner-row h3 { font-size: 21px; }
  .partner-content > p { font-size: 11px; }
  .partner-row summary { padding-block: 12px; }
  .contact-intro h2 { font-size: 40px; }
  .contact .contact-spark { font-size: 40px; margin-top: 16px; }
}
@media (max-width: 600px) and (max-height: 700px) {
  :root { --scene-gap: 10px; }
  .section-top, .experience > .section-top { margin-bottom: 12px; }
  .manifesto-grid { gap: 12px; }
  .statement { font-size: 32px; }
  .manifesto-copy { font-size: 11px; line-height: 1.6; }
  .connection-scene { height: 140px; margin-top: 10px; }
  .connection-side strong { font-size: 21px; }
  .connection-symbol { display: none; }
  .connection-side { margin-top: -32px; }
  .creative-lab { padding: 12px; gap: 10px 8px; }
  .lab-copy > .eyebrow { display: none; }
  .lab-copy h2 { font-size: 27px; }
  .lab-visual { min-height: 142px; }
  .lab-description { font-size: 10px; }
  .concept-picker label > span { padding: 7px 12px; }
  .brand-field input { padding-block: 6px; }
  .button.button-join { min-height: 38px; padding: 9px 14px; font-size: 11px; }
  .process-grid { gap: 8px 10px; }
  .process-intro .section-title { grid-column: 1 / -1; font-size: 26px; }
  .earning-scene { display: none; }
  .process-intro .section-description { font-size: 11px; line-height: 1.5; }
  .process-step { padding-block: 8px; }
  .process-step h3 { font-size: 17px; margin-bottom: 2px; }
  .process-step div > p:not(.eyebrow) { font-size: 11px; line-height: 1.4; }
  .process-intro .deposit-note { font-size: 10px; }
  .partners-grid { gap: 12px; }
  .partners .section-title { font-size: 29px; }
  .partner-row summary { padding-block: 10px; }
  .partner-content { padding-bottom: 10px; }
  .contact-grid { gap: 12px; }
  .contact-intro h2 { font-size: 29px; }
  .contact-intro > p { margin-top: 6px; }
  .interest-picker { margin-bottom: 12px; }
}
/* Reflow freely for unusually small/zoomed views rather than clipping text. */
@media (max-height: 480px), print {
  main > section:not(.hero-journey), .site-footer { height: auto; min-height: 100svh; }
  .creative-lab { flex: none; min-height: 400px; }
  .manifesto > .shell, .partners > .shell { height: auto; }
}
@media (prefers-reduced-motion: reduce), print {
  .hero-journey { height: 100svh; }
}