/* Mobile is an editorial sequence, not a compressed desktop grid.
   Native disclosures retain every explanation and keyboard access. */
.mobile-disclosure {
  min-width: 0;
}
.mobile-disclosure > summary {
  display: none;
}
.technology-disclosure {
  grid-column: 1;
  grid-row: 2;
}
.how-heading {
  margin-bottom: 28px;
}

@media (max-width: 760px) {
  :root {
    --gutter: clamp(20px, 5.6vw, 28px);
  }
  body {
    font-size: 16px;
  }
  .hero-intro {
    bottom: 16%;
  }
  .hero-intro h1 {
    font-size: clamp(36px, 9.5vw, 52px);
    line-height: 1.06;
  }
  .hero-intro p {
    font-size: 16px;
    line-height: 1.55;
    max-width: 340px;
    margin-top: 20px;
  }
  .hero-intro .hero-cta {
    font-size: 14px;
    line-height: 1.4;
    min-height: 52px;
    margin-top: 22px;
    gap: 18px;
  }
  .hero-after h2 {
    font-size: 34px;
  }
  .hero-after p {
    font-size: 15px;
    line-height: 1.5;
  }
  .hero-bottom {
    font-size: 10px;
  }
  .motion-button {
    min-height: 44px;
    font-size: 12px;
  }
  .network-heading h2 {
    font-size: 21px;
    line-height: 1.25;
  }
  .network-caption {
    font-size: 12px;
  }

  .experience,
  .technology-section,
  .how-section,
  .venue-value,
  .faq-section,
  .join-section {
    padding: 52px var(--gutter);
    min-height: 0;
    scroll-margin-top: 0;
  }
  .section-index,
  .technology-intro > .eyebrow,
  .join-section > .eyebrow {
    font-size: 10px;
    line-height: 1.6;
    margin-bottom: 16px;
  }
  .section-heading h2,
  .how-heading h2,
  .technology-intro h2,
  .value-top h2,
  .faq-intro h2 {
    font-size: clamp(31px, 8.3vw, 39px);
    line-height: 1.1;
    letter-spacing: -0.045em;
  }
  .section-heading > p,
  .technology-intro > p:last-child {
    font-size: 16px;
    line-height: 1.6;
    margin-top: 18px;
    max-width: 38ch;
  }
  .section-heading {
    margin-bottom: 24px;
  }
  .experience-toolbar {
    row-gap: 4px;
    margin-bottom: 14px;
  }
  .venue-switch {
    gap: 24px;
  }
  .venue-switch button {
    font-size: 14px;
    min-height: 44px;
  }
  .venue-switch span {
    font-size: 10px;
  }
  .example-label {
    font-size: 10px;
  }
  .comparison {
    height: auto;
    aspect-ratio: 1 / 1.08;
    max-height: 470px;
  }
  .comparison-caption {
    font-size: 10px;
    line-height: 1.5;
    gap: 12px;
    margin-top: 12px;
  }
  .compare-tag {
    font-size: 10px;
  }

  .mobile-disclosure {
    margin-top: 24px;
    border-top: 1px solid var(--ctm-border);
  }
  .section-light .mobile-disclosure {
    border-color: rgb(var(--ctm-deep-rgb) / 0.1686);
  }
  .mobile-disclosure > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-height: 64px;
    padding: 18px 0;
    list-style: none;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
  }
  .mobile-disclosure > summary::-webkit-details-marker {
    display: none;
  }
  .mobile-disclosure > summary > span {
    font-size: 24px;
    font-weight: 450;
    transition: transform 180ms;
  }
  .mobile-disclosure[open] > summary > span {
    transform: rotate(45deg);
  }
  .mobile-disclosure > summary:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 4px;
  }
  .finish-story {
    display: block;
    margin-top: 0;
  }
  .finish-item {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 16px;
    padding: 18px 0;
  }
  .finish-item > svg {
    width: 22px;
    height: 22px;
    margin-top: 2px;
  }
  .finish-item h4 {
    font-size: 16px;
    line-height: 1.4;
    margin-bottom: 6px;
  }
  .finish-item p {
    font-size: 15px;
    line-height: 1.6;
  }

  .technology-section {
    display: flex;
    flex-direction: column;
  }
  .technology-intro h2 {
    margin: 0;
  }
  .edition-visual {
    padding: 42px 0 0;
  }
  .edition-cards {
    height: clamp(265px, 72vw, 360px);
    max-width: 360px;
  }
  .edition-card small {
    font-size: 9px;
  }
  .edition-caption {
    margin-top: 28px;
    padding: 18px 0;
    gap: 12px;
    font-size: 14px;
    flex-wrap: wrap;
  }
  .edition-caption span:last-child {
    font-size: 13px;
  }
  .edition-note {
    font-size: 10px;
  }
  .technology-disclosure {
    order: 2;
    margin-top: 26px;
    width: 100%;
  }
  .technology-steps {
    display: block;
    margin-top: 0;
  }
  .technology-steps li {
    display: grid;
    grid-template-columns: 22px 1fr;
    gap: 14px;
    padding: 18px 0;
  }
  .technology-steps li > span {
    font-size: 11px;
    padding-top: 3px;
  }
  .technology-steps h3 {
    font-size: 17px;
    margin: 0 0 8px;
  }
  .technology-steps p,
  .technology-note {
    font-size: 15px;
    line-height: 1.6;
  }
  .technology-note {
    padding-top: 18px;
  }

  .how-grid {
    margin-top: 26px;
  }
  .installation-photo {
    height: clamp(290px, 82vw, 390px);
  }
  .installation-photo > img {
    height: auto;
    max-height: 88%;
    max-width: 78%;
  }
  .installation-photo figcaption {
    font-size: 10px;
  }
  .installation-switch button {
    font-size: 13px;
    min-height: 48px;
  }
  .placement-note {
    font-size: 13px;
    line-height: 1.6;
    margin-top: 12px;
    max-width: 35ch;
  }
  .steps {
    margin-top: 32px;
  }
  .step {
    grid-template-columns: 26px 1fr;
    gap: 16px;
    padding: 22px 0;
  }
  .step-number {
    font-size: 11px;
  }
  .step h3 {
    font-size: 25px;
    margin-bottom: 10px;
  }
  .step p {
    font-size: 15px;
    line-height: 1.6;
    max-width: 34ch;
  }
  .step .camera-tip {
    font-size: 13px;
    margin-top: 12px;
  }
  .how-footnote {
    font-size: 10px;
    gap: 10px;
    line-height: 1.6;
    flex-wrap: wrap;
  }

  .value-grid {
    margin-top: 28px;
  }
  .value-photo > img {
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }
  .value-photo figcaption {
    font-size: 11px;
    line-height: 1.5;
    margin-top: 12px;
  }
  .value-copy {
    margin-top: 26px;
  }
  .value-copy .value-lead {
    display: none;
  }
  .value-copy > p:not(.value-lead) {
    font-size: 16px;
    line-height: 1.65;
    margin-bottom: 22px;
  }
  .venue-free {
    padding-top: 22px;
  }
  .venue-free strong {
    font-size: 20px;
  }
  .text-link {
    font-size: 14px;
    min-height: 48px;
    padding: 12px 0;
  }
  .value-principles {
    display: block;
    padding: 0;
    margin: 0;
    border: 0;
  }
  .value-principles > div {
    padding: 16px 0;
  }
  .value-principles span {
    font-size: 11px;
  }
  .value-principles h3 {
    font-size: 17px;
    line-height: 1.4;
    margin: 6px 0 8px;
  }
  .value-principles p {
    font-size: 15px;
    line-height: 1.6;
  }

  .faq-section {
    gap: 24px;
  }
  .faq-intro > p:last-child {
    display: none;
  }
  .faq-list summary {
    font-size: 16px;
    line-height: 1.45;
    padding: 22px 0;
  }
  .faq-list details > p {
    font-size: 15px;
    line-height: 1.7;
    padding-bottom: 22px;
  }
  .join-section {
    padding-block: 64px;
  }
  .join-section h2 {
    font-size: clamp(37px, 10vw, 51px);
    line-height: 1.07;
    margin: 24px 0;
  }
  .join-bottom p {
    font-size: 16px;
    line-height: 1.6;
  }
  .join-bottom .button {
    font-size: 16px;
    min-height: 58px;
  }
  .join-small {
    font-size: 13px;
    line-height: 1.6;
    max-width: 34ch;
  }
  .footer-top p {
    font-size: 15px;
  }
  .footer-top a,
  .footer-bottom,
  .footer-bottom button {
    font-size: 11px;
  }

  /* Full-screen chapters without trapping the visitor in mandatory scroll snaps.
     Expanded explanations and text zoom may naturally make a chapter taller. */
  html {
    scroll-snap-type: y proximity;
    scroll-padding-top: 0;
  }
  .hero,
  .venue-network,
  .experience,
  .technology-section,
  .venue-value,
  .faq-section,
  .join-section,
  .installation-preview,
  .steps {
    scroll-snap-align: start;
    scroll-snap-stop: normal;
  }
  .experience,
  .technology-section,
  .venue-value,
  .faq-section,
  .join-section {
    min-height: 100svh;
    padding-block: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .experience .section-heading {
    margin-bottom: 16px;
  }
  .comparison {
    aspect-ratio: auto;
    height: clamp(185px, calc(100svh - 486px), 420px);
  }
  .edition-visual {
    padding-top: 22px;
  }
  .edition-caption {
    margin-top: 20px;
  }
  .edition-note {
    margin-top: 4px;
  }
  .edition-cards {
    height: clamp(190px, calc(100svh - 500px), 360px);
  }
  .technology-section {
    gap: 0;
  }
  .technology-disclosure {
    flex: 0 0 auto;
  }
  .how-section {
    padding: 0;
    min-height: 0;
  }
  .how-grid {
    display: block;
    margin: 0;
  }
  .installation-preview,
  .steps {
    min-height: 100svh;
    padding: 32px var(--gutter);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .installation-photo {
    height: clamp(285px, calc(100svh - 310px), 570px);
    flex: 0 0 auto;
  }
  .steps {
    margin: 0;
    background: var(--ctm-ink);
  }
  .step {
    padding-block: 24px;
  }
  .step h3 {
    font-size: 32px;
  }
  .step p {
    font-size: 16px;
  }
  .how-footnote {
    margin-top: 26px;
  }
  .value-photo > img {
    aspect-ratio: auto;
    height: clamp(150px, calc(100svh - 580px), 350px);
  }
  .value-copy {
    margin-top: 22px;
  }
  .value-copy > p:not(.value-lead) {
    margin-bottom: 16px;
  }
  .value-disclosure {
    margin-top: 18px;
  }
  .faq-section {
    gap: 24px;
  }
  .join-section {
    padding-block: 48px;
  }
  @media (max-height: 740px) {
    .venue-value {
      padding-block: 20px;
    }
    .value-grid {
      margin-top: 20px;
    }
    .value-photo figcaption {
      display: none;
    }
    .value-copy {
      margin-top: 16px;
    }
    .venue-free {
      padding-top: 16px;
    }
    .value-disclosure {
      margin-top: 12px;
    }
    .value-disclosure > summary {
      min-height: 56px;
      padding-block: 14px;
    }
    .faq-list summary {
      padding-block: 19px;
    }
  }
  @media (prefers-reduced-motion: reduce), (max-height: 539px) {
    html {
      scroll-snap-type: none;
    }
  }
}
/* The public comparison shows complete real exports, including the signature.
   Its frame follows the source ratio instead of cropping faces or branding. */
.comparison-wrap {
  min-width: 0;
  --comparison-height: min(58svh, 620px);
}
.comparison-wrap .comparison {
  height: auto;
  width: min(100%, calc(var(--comparison-height) * var(--photo-ratio, 0.6666667)));
  aspect-ratio: var(--photo-ratio, 0.6666667);
  margin-inline: auto;
}
.comparison-source {
  margin: 8px 0 0;
  font-size: 11px;
  line-height: 1.5;
  color: #58616d;
}
.comparison-caption a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.comparison-caption { flex-wrap: wrap; gap: 12px; }
#compare-branding { border: 1px solid rgb(var(--ctm-ink-rgb) / 0.2706); border-radius: 6px; padding: 7px 10px; background: transparent; color: var(--ctm-ink); font: inherit; cursor: pointer; }
#compare-branding[aria-pressed='true'] { background: var(--ctm-ink); color: #fff; }
.value-photo > img {
  display: block;
  width: 100%;
  height: auto;
  max-height: none;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center;
}
/* Album previews preserve each export's geometry; no second vignette layer. */
.edition-visual .edition-card {
  height: auto;
  overflow: visible;
  background: transparent;
  border: 0;
}
.edition-card img {
  display: block;
  height: auto;
  border: 1px solid #ffffff36;
  border-radius: 7px;
}
.edition-card:after {
  display: none;
}
.edition-card small {
  position: static;
  display: block;
  padding: 9px 0;
  text-align: center;
}
.edition-card:nth-child(1),
.edition-card:nth-child(2) {
  bottom: 22%;
  width: 75%;
}
.edition-card:nth-child(3) {
  width: 52%;
  left: 24%;
}
@media (max-width: 760px) {
  .comparison-wrap {
    --comparison-height: clamp(270px, calc(100svh - 435px), 480px);
  }
}

.venue-switch {
  flex-wrap: wrap;
  gap: 6px;
}
.venue-switch button {
  min-height: 40px;
}
.example-label {
  max-width: 24ch;
}

@media (max-width: 760px) {
  .experience-toolbar {
    align-items: start;
    gap: 8px;
  }
  .venue-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .venue-switch button {
    font-size: 11px;
    padding: 9px 12px;
  }
  .comparison-wrap {
    --comparison-height: clamp(245px, calc(100svh - 460px), 460px);
  }
}
.hero-brand-artwork, .hero-brand-support { position:absolute; inset:0; z-index:2; pointer-events:none; opacity:var(--photo-finish); }
.hero-brand-artwork img, .hero-brand-support img { width:100%; height:100%; display:block; object-fit:fill; }