@media (max-width: 1240px) {
  :root { --shell: min(100% - 48px, 1160px); }
  .desktop-nav { display: none; }
  .header-inner { justify-content: space-between; }
  .menu-toggle { display: grid; }
  .hero-grid { grid-template-columns: .95fr 1.05fr; gap: 40px; }
  .hero-copy h1 { font-size: clamp(3.5rem, 6.2vw, 5.8rem); }
  .project-strip { grid-template-columns: repeat(2, 1fr); }
  .project-teaser { min-height: 410px; }
  .art-grid-image { height: 400px; }
  .project-builder-card { grid-template-columns: 1fr 1fr; }
  .builder-panel { padding: 38px; }
  .builder-frame-grid { grid-template-columns: repeat(3, 1fr); }
  .portrait-style-card > img { height: 155px; }
}

@media (max-width: 1024px) {
  :root { --header-height: 74px; --shell: calc(100% - 40px); }
  .section { padding-block: 100px; }
  .brand-logo { width: 138px; height: 43px; }
  .header-quote { display: none; }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; padding-block: 110px 60px; }
  .hero-copy { max-width: 760px; }
  .hero-stage { min-height: 660px; }
  .hero-index { display: none; }
  .ribbon-track { overflow-x: auto; justify-content: flex-start; }
  .ribbon-track > * { flex: 0 0 auto; }
  .path-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 550px 350px; }
  .path-card-large { grid-column: 1 / -1; grid-row: 1; }
  .art-deck-layout { grid-template-columns: .75fr 1.25fr; min-height: 640px; gap: 32px; }
  .deck-stage { height: 570px; }
  .frame-lab-grid { grid-template-columns: 1fr; }
  .frame-wall-panel { min-height: 700px; }
  .frame-controls-panel { padding: 58px; }
  .portrait-grid, .workshop-grid, .trust-grid, .about-model-grid { grid-template-columns: 1fr; }
  .portrait-copy { max-width: 680px; }
  .portrait-visual { min-height: 650px; }
  .project-strip { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-step:nth-child(3), .process-step:nth-child(4) { border-block-start: 1px solid var(--line); }
  .process-line { display: none; }
  .workshop-image-stack { min-height: 650px; }
  .context-track { grid-auto-columns: 45vw; }
  .trust-cards { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-intro { position: static; }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
  .page-hero-grid, .builder-hero, .about-hero-grid, .contact-hero { grid-template-columns: 1fr; }
  .collection-stats { max-width: 620px; }
  .filter-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-panel.is-open { max-height: 280px; }
  .clear-filter-button { align-self: end; }
  .art-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-visual { position: static; }
  .detail-main-image { height: 650px; }
  .detail-copy { max-width: 760px; }
  .room-preview-block { grid-template-columns: 1fr; }
  .builder-workspace { grid-template-columns: 1fr; }
  .builder-stage { min-height: 720px; }
  .builder-panel { min-height: 720px; }
  .project-hero { min-height: 720px; }
  .project-hero-metrics { grid-template-columns: repeat(3, 140px); }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
  .project-builder-card { grid-template-columns: 1fr; }
  .project-builder-image { min-height: 500px; }
  .project-builder-image::after { background: linear-gradient(transparent 65%, #100a16); }
  .campaign-card-grid { grid-template-columns: repeat(2, 1fr); }
  .workshop-page-hero .shell { grid-template-columns: 1fr; padding-block: 110px 70px; }
  .workshop-hero-collage { min-height: 540px; }
  .workshop-stage-list article { grid-template-columns: 1fr 1.2fr; gap: 40px; }
  .about-art { min-height: 600px; }
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .landing-hero { grid-template-columns: 1fr; }
  .landing-hero-media { min-height: 65svh; }
  .landing-hero-media > div, html[dir="rtl"] .landing-hero-media > div { background: linear-gradient(transparent 60%, #0b070f); }
  .landing-hero-copy { min-height: 650px; padding-block-start: 80px; }
  .landing-benefits .landing-shell { grid-template-columns: repeat(2, 1fr); }
  .landing-process .landing-shell > div:last-child { grid-template-columns: repeat(2, 1fr); }
  .quote-dialog-layout { grid-template-columns: .62fr 1.38fr; }
  .quote-summary-panel { padding: 28px; }
}

@media (max-width: 760px) {
  :root { --shell: calc(100% - 28px); --radius: 16px; }
  body { font-size: 16px; padding-block-end: 84px; }
  .campaign-mode { padding-block-end: 76px; }
  .whatsapp-float { display: none; }
  .section { padding-block: 76px; }
  .site-header { background: rgba(9,5,13,.94); }
  .header-inner { gap: 9px; }
  .brand-logo { width: 122px; height: 39px; }
  .language-switch { min-width: 54px; height: 42px; }
  .language-switch svg { display: none; }
  .menu-toggle { width: 42px; height: 42px; }
  .mobile-menu { grid-template-columns: 1fr; }
  .mobile-menu-art { position: absolute; inset: 0; opacity: .2; }
  .mobile-menu-art::after { background: rgba(8,5,10,.72); }
  .mobile-menu nav { position: relative; z-index: 2; padding: 26px; align-content: start; overflow-y: auto; }
  .mobile-menu nav a { padding-block: 8px; }
  .mobile-menu nav a b { font-size: 1.35rem; }
  .mobile-menu-footer { z-index: 3; inset-inline: 20px; inset-block-end: 20px; display: grid; }
  .mobile-menu-footer .button { display: none; }
  .eyebrow-row { margin-block-end: 17px; }
  .section-heading h2 { font-size: clamp(2.2rem, 11vw, 4rem); }
  .split-heading { display: grid; gap: 28px; margin-block-end: 44px; }
  .hero-grid { padding-block: 82px 44px; }
  .hero-copy h1 { font-size: clamp(3.35rem, 17vw, 5.4rem); }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .hero-support { align-items: flex-start; }
  .hero-stage { min-height: 470px; }
  .hero-stage-media { min-height: min(680px, 150vw); border-radius: 3px 3px 24px 3px; }
  .hero-stage-media picture img { object-position: center; }
  .stage-wall { inset: 3% 0 10%; }
  .hero-frame-main { width: 47%; height: 57%; inset-inline-start: 25%; }
  .hero-frame-top { width: 25%; }
  .hero-frame-side { width: 31%; }
  .stage-caption { inset-inline: 8px; justify-content: center; }
  .ribbon-track { min-height: 62px; gap: 16px; }
  .path-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: repeat(3, 430px); }
  .path-card-large { grid-column: auto; grid-row: auto; }
  .path-overlay { inset-inline: 18px; inset-block-end: 18px; }
  .path-overlay h3 { font-size: 1.65rem; }
  .section-aside { display: none; }
  .art-deck-layout { min-height: auto; display: flex; flex-direction: column; gap: 26px; }
  .deck-copy-side { width: 100%; order: 2; }
  .deck-progress { margin-block-end: 24px; }
  .deck-stage { width: 100%; height: min(600px, 135vw); order: 1; }
  .deck-navigation { width: 100%; order: 3; }
  .deck-details > h3 { font-size: 2.2rem; }
  .deck-mini-actions { display: grid; grid-template-columns: repeat(3, 1fr); }
  .icon-button { min-width: 0; }
  .frame-lab-grid { border-radius: 18px; }
  .frame-wall-panel { min-height: 560px; }
  .wall-scene .framed-art { max-width: 66%; max-height: 60%; }
  .frame-controls-panel { padding: 30px 20px; }
  .frame-controls-panel .section-heading h2 { font-size: 2.7rem; }
  .control-row { grid-template-columns: 1fr; }
  .portrait-grid { gap: 20px; }
  .portrait-visual { min-height: 520px; }
  .portrait-front { width: 60%; height: 64%; inset-inline-start: 5%; }
  .portrait-back { width: 45%; height: 52%; }
  .project-strip { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
  .project-teaser { min-width: 82vw; min-height: 430px; scroll-snap-align: start; }
  .process-steps { grid-template-columns: 1fr; }
  .process-step { min-height: 230px; border-block-start: 1px solid var(--line); border-inline-end: 1px solid var(--line); }
  .process-icon { margin-block: 24px 18px; }
  .workshop-image-stack { min-height: 470px; }
  .workshop-main-image { width: 82%; height: 67%; }
  .workshop-detail-image { width: 48%; height: 50%; }
  .workshop-list { grid-template-columns: 1fr; }
  .context-track { grid-auto-columns: 82vw; padding-inline: 14px; }
  .context-card { height: 480px; }
  .audience-list article { min-height: 150px; grid-template-columns: 38px 1fr 24px; gap: 12px; }
  .audience-list p { grid-column: 2; }
  .audience-list .icon { grid-column: 3; grid-row: 1 / 3; }
  .trust-cards { grid-template-columns: 1fr; }
  .trust-cards article { min-height: 210px; }
  .accordion summary { min-height: 82px; grid-template-columns: 34px 1fr 24px; }
  .accordion details > div { padding-inline: 46px 12px; }
  .final-cta { min-height: 620px; }
  .final-cta h2 { font-size: clamp(2.6rem, 12vw, 4.2rem); }
  .final-cta-inner > div:last-child { display: grid; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; padding-block: 55px; }
  .footer-bottom { padding-block: 18px; flex-direction: column; align-items: flex-start; }
  .mobile-sticky-cta { position: fixed; z-index: 800; inset-inline: 12px; inset-block-end: 10px; min-height: 56px; padding-inline: 24px; display: flex; align-items: center; justify-content: space-between; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; background: linear-gradient(135deg, #2bd36f, #1caf5a); box-shadow: 0 14px 40px rgba(0,0,0,.5), 0 8px 24px rgba(35,198,101,.2); color: #07170d; font-weight: 800; }
  .mobile-sticky-cta .icon, .mobile-sticky-cta svg { width: 19px; height: 19px; flex: 0 0 auto; }
  .menu-open .mobile-sticky-cta { opacity: 0; pointer-events: none; }
  .page-hero { padding-block: calc(var(--header-height) + 60px) 60px; }
  .page-hero h1, .builder-hero h1, .about-hero h1, .contact-hero h1 { font-size: clamp(3.1rem, 15vw, 5rem); }
  .collection-stats { grid-template-columns: repeat(3, 1fr); }
  .collection-stats span { min-height: 100px; padding: 12px; }
  .toolbar-inner { min-height: 70px; flex-wrap: wrap; padding-block: 10px; }
  .search-field { flex: 1 0 calc(100% - 120px); }
  .view-toggle { order: 5; flex: 1; }
  .view-toggle button { flex: 1; justify-content: center; }
  .saved-button span, .filter-toggle span { display: none; }
  .filter-panel.is-open { max-height: 480px; }
  .filter-grid { grid-template-columns: 1fr; }
  .compare-panel { padding-block: 36px; }
  .compare-head { align-items: flex-start; }
  .compare-grid { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 84vw; overflow-x: auto; scroll-snap-type: x mandatory; }
  .compare-grid article { grid-template-columns: 110px 1fr; border-inline-start: 1px solid var(--line); scroll-snap-align: start; }
  .compare-grid article > img { width: 110px; height: 150px; }
  .results-heading { display: grid; gap: 8px; }
  .results-heading span { text-align: start; }
  .art-grid { grid-template-columns: 1fr; }
  .art-grid-image { height: 480px; }
  .detail-grid { padding-block-start: 28px; }
  .detail-main-image { height: min(560px, 128vw); padding: 12px; }
  .detail-copy > h1 { font-size: 3.3rem; }
  .detail-specs > div { grid-template-columns: 1fr; gap: 5px; padding-block: 12px; }
  .detail-actions { display: grid; }
  .room-preview-wall { min-height: 500px; }
  .room-preview-wall .framed-art { max-width: 64%; }
  .builder-hero { padding-block: 56px 38px; gap: 28px; }
  .builder-stepper { overflow-x: auto; grid-template-columns: repeat(5, 120px); border-radius: 12px 12px 0 0; }
  .portrait-builder-page .builder-stepper { grid-template-columns: repeat(4, 120px); }
  .builder-stepper button { padding: 10px; }
  .builder-stage { min-height: 560px; padding: 12px; }
  .builder-wall { min-height: 455px; }
  .builder-wall .framed-art { max-width: 63%; }
  .builder-panel { min-height: auto; padding: 30px 18px; }
  .builder-panel-body { min-height: 440px; }
  .compact-selection { grid-template-columns: 1fr; }
  .builder-stage .compact-selection { display: none; }
  .builder-mobile-summary { display: block; padding: 12px; background: #120b18; }
  .builder-mobile-summary .compact-selection { color: var(--ink); border-color: var(--line); background: var(--line); }
  .builder-mobile-summary .compact-selection div { background: var(--glass-light); }
  .builder-mobile-summary dt { color: var(--ink-muted); }
  .orientation-options { grid-template-columns: repeat(2, 1fr); }
  .builder-frame-grid { grid-template-columns: repeat(2, 1fr); }
  .portrait-style-grid { grid-template-columns: 1fr; }
  .portrait-style-card { display: grid; grid-template-columns: 34% 1fr; }
  .portrait-style-card > img { height: 140px; }
  .portrait-process-link .shell { padding-block: 20px; display: grid; }
  .project-hero { min-height: 610px; }
  .project-hero-image img { object-position: 62% center; filter: saturate(.5) brightness(.38); }
  .project-hero-shade { background: linear-gradient(180deg, rgba(7,4,9,.72) 0%, rgba(7,4,9,.9) 54%, rgba(7,4,9,.98) 100%); }
  html[dir="rtl"] .project-hero-shade { background: linear-gradient(180deg, rgba(7,4,9,.72) 0%, rgba(7,4,9,.9) 54%, rgba(7,4,9,.98) 100%); }
  .project-hero-content h1 { font-size: clamp(3.6rem, 16vw, 5.8rem); }
  .project-hero-metrics { display: none; }
  .project-section-nav { inset-block-start: var(--header-height); }
  .project-section-nav a { min-height: 64px; padding: 10px 8px; justify-content: center; text-align: center; }
  .project-section-nav b { font-size: .7rem; }
  .capability-grid { grid-template-columns: 1fr; }
  .project-deck-controls { justify-content: center; }
  .project-builder-image { min-height: 420px; }
  .project-builder-copy { padding: 28px 18px; }
  .project-builder-copy dl div { grid-template-columns: 1fr; align-content: center; gap: 3px; }
  .project-builder-copy > div { display: grid; }
  .campaign-card-grid { grid-template-columns: 1fr; }
  .campaign-card { min-height: 390px; }
  .portrait-process-grid { grid-template-columns: 1fr; }
  .process-page-hero .process-hero-art { height: 420px; }
  .workshop-page-hero { min-height: auto; }
  .workshop-page-hero .shell { gap: 30px; }
  .workshop-page-hero h1 { font-size: 3.7rem; }
  .workshop-hero-collage { min-height: 430px; }
  .workshop-stage-list article, .workshop-stage-list article:nth-child(even) { min-height: 0; padding-block: 45px; grid-template-columns: 1fr; gap: 25px; }
  .workshop-stage-list article:nth-child(even) .stage-copy, .workshop-stage-list article:nth-child(even) .stage-image { order: initial; }
  .stage-image { height: 300px; }
  .workshop-final-stages .shell { grid-template-columns: 1fr; }
  .workshop-final-stages article { min-height: 240px; border-inline-start: 0; border-block-start: 1px solid var(--line); }
  .about-hero { min-height: auto; }
  .about-art { min-height: 480px; }
  .about-statement { grid-template-columns: 1fr; gap: 18px; }
  .pillar-grid { grid-template-columns: 1fr; }
  .pillar-grid article { min-height: 220px; }
  .model-visual { height: 520px; }
  .about-model-grid ul { grid-template-columns: 1fr; }
  .contact-hero { min-height: auto; padding-block: 70px; }
  .contact-options .shell { grid-template-columns: 1fr; }
  .contact-option { min-height: 360px; }
  .contact-option > .icon { margin-block: 45px 20px; }
  .landing-header { min-height: 70px; padding-inline: 16px; }
  .landing-header .brand-logo { width: 122px; }
  .landing-hero-media { min-height: 54svh; }
  .landing-hero-copy { min-height: 580px; padding: 60px 20px; }
  .landing-hero-copy h1 { font-size: clamp(3rem, 14vw, 5rem); }
  .landing-benefits .landing-shell, .landing-process .landing-shell > div:last-child { grid-template-columns: 1fr; }
  .landing-benefits article, .landing-process article { min-height: 130px; border-inline-start: 0; border-block-start: 1px solid var(--line); }
  .landing-example-grid { grid-template-columns: 1fr; }
  .landing-example-grid img { height: 400px; }
  .landing-short-form .landing-shell { display: grid; }
  .landing-footer { padding-block: 22px; flex-wrap: wrap; }
  .legal-page .legal-shell > section { grid-template-columns: 45px 1fr; }
  .quote-dialog { width: 100vw; max-height: 100svh; height: 100svh; border-radius: 0; }
  .dialog-shell { min-height: 100svh; }
  .quote-dialog-layout { min-height: 100svh; grid-template-columns: 1fr; }
  .quote-summary-panel { padding: 24px 18px; }
  .quote-summary-art { height: 210px; }
  .quote-form-panel { padding: 28px 18px 110px; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
  .quote-form-actions { position: sticky; inset-block-end: 0; margin-inline: -18px; padding: 14px 18px; background: rgba(16,9,23,.95); backdrop-filter: blur(12px); }
  .quote-form-actions .button { flex: 1; }
  .quote-result { min-height: 100svh; padding: 30px 18px 100px; }
  .toast-region { inset-inline: 12px; inset-block-end: 82px; }
  .toast { min-width: 0; width: 100%; }
}

@media (max-width: 430px) {
  .brand-logo { width: 110px; }
  .hero-stage { min-height: 420px; }
  .deck-stage { height: 530px; }
  .swipe-image { padding: 10px; }
  .frame-wall-panel { min-height: 500px; }
  .portrait-visual { min-height: 470px; }
  .art-grid-image { height: 420px; }
  .builder-wall { min-height: 410px; }
  .builder-wall .framed-art { max-width: 68%; }
  .project-hero-content > div:last-child { display: grid; }
  .project-hero-metrics { inset-inline: 8px; }
  .project-hero-metrics span { font-size: .6rem; }
  .about-art { min-height: 420px; }
}

/* Mobile-first refinement: readable hierarchy, visible selections, and calm proofing. */
@media (max-width: 760px) {
  :root {
    --shell: calc(100% - 32px);
    --header-height: 70px;
  }

  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
  }

  body {
    padding-block-end: calc(84px + env(safe-area-inset-bottom));
    font-size: 16px;
    line-height: 1.62;
  }

  :is(main, section, .shell, .builder-shell, .builder-workspace, .builder-stage, .builder-panel, .builder-panel-body, .quote-dialog-layout, .form-grid) {
    min-width: 0;
    max-width: 100%;
  }

  :is(h1, h2, h3, p, b, span, label, dt, dd, button, a) {
    overflow-wrap: anywhere;
  }

  .section { padding-block: 64px; }

  .eyebrow-row {
    gap: 11px;
    margin-block-end: 16px;
  }

  .eyebrow-row > span,
  .eyebrow-row > .eyebrow {
    font-size: .95rem;
    font-weight: var(--weight-bold);
    line-height: 1.4;
    letter-spacing: .04em;
  }

  .eyebrow-row > i { flex-basis: 60px; width: 60px; }

  html[dir="rtl"] :is(.eyebrow-row > span, .eyebrow-row > .eyebrow) { letter-spacing: 0; }

  .section-heading h2 {
    font-size: clamp(2.05rem, 9vw, 2.85rem);
    line-height: 1.12;
    letter-spacing: -.025em;
  }

  .section-heading > p {
    margin-block-start: 16px;
    font-size: 1rem;
    line-height: 1.7;
  }

  :is(.hero-copy h1, .page-hero h1, .builder-hero h1, .about-hero h1, .contact-hero h1, .legal-page h1) {
    font-size: clamp(2.35rem, 10.5vw, 3.15rem);
    line-height: 1.08;
    letter-spacing: -.035em;
  }

  .hero-copy > p,
  .page-hero-grid > div:first-child > p,
  .builder-hero > div > p,
  .project-hero-content > p,
  .landing-hero-copy > p {
    margin-block-start: 18px;
    font-size: 1rem;
    line-height: 1.7;
  }

  :is(.button, select, input, textarea, .filter-toggle, .saved-button) {
    min-height: 48px;
    font-size: 1rem;
  }

  button { min-height: 44px; }

  .text-link {
    min-height: 44px;
    padding-block: 8px;
  }

  .filter-field select {
    min-height: 48px;
    font-size: 1rem;
  }

  .package-dots button { min-width: 44px; min-height: 44px; }

  .button {
    max-width: 100%;
    padding: 12px 18px;
    font-weight: var(--weight-semibold);
    white-space: normal;
    text-align: center;
  }

  .language-switch,
  .menu-toggle {
    min-width: 44px;
    width: 44px;
    height: 44px;
  }

  .language-switch {
    width: auto;
    min-width: 52px;
    font-size: .8125rem;
  }

  .mobile-menu nav { padding: 24px 20px 110px; }
  .mobile-menu nav a { min-height: 52px; padding-block: 10px; }
  .mobile-menu nav a b { font-size: 1.25rem; font-weight: var(--weight-semibold); line-height: 1.35; }

  .hero-grid { padding-block: 64px 38px; }
  .hero-actions { margin-block-start: 26px; }
  .hero-stage { min-height: min(430px, 112vw); }

  .ribbon-track {
    padding-block: 4px;
    scroll-snap-type: inline proximity;
    overscroll-behavior-inline: contain;
  }
  .ribbon-track a { min-height: 46px; padding-inline: 14px; scroll-snap-align: start; }

  .path-grid { grid-template-rows: repeat(3, min(390px, 112vw)); }
  .path-overlay h3 { font-size: 1.55rem; line-height: 1.25; }
  .path-overlay b { min-height: 44px; margin-block-start: 10px; }

  .deck-details > h3 { font-size: 2rem; line-height: 1.12; }
  .deck-details dt { font-size: .75rem; }
  .deck-details dd { font-size: .875rem; }
  .deck-mini-actions { gap: 7px; }
  .icon-button { min-height: 64px; min-width: 0; padding-inline: 6px; }
  .icon-button span { font-size: .75rem; line-height: 1.3; }

  .frame-lab-grid {
    min-height: 0;
    border-radius: 16px;
  }

  .frame-wall-panel {
    min-height: clamp(340px, 92vw, 440px);
    padding: 18px;
  }

  .frame-wall-panel .console-table { display: none; }
  .wall-scene .framed-art { max-width: 70%; max-height: 67%; }
  .frame-controls-panel { padding: 26px 16px; }
  .frame-controls-panel .section-heading h2 { font-size: 2.15rem; }
  .control-group > label,
  .control-label label,
  .option-section > label,
  .form-field > span,
  .detail-frame-options > label {
    margin-block-end: 9px;
    font-size: .875rem;
    font-weight: var(--weight-semibold);
    line-height: 1.45;
  }

  .frame-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    overflow: visible;
    padding: 2px 0 0;
  }

  .frame-swatch { width: 100%; min-width: 0; min-height: 88px; padding: 8px; }
  .frame-swatch > span { height: 31px; }
  .frame-swatch b { min-width: 0; font-size: .8rem; }
  .frame-swatch small { font-size: .72rem; }

  .control-row { grid-template-columns: 1fr; gap: 16px; margin-block: 22px 24px; }
  [data-config-size] { direction: ltr; text-align: start; font-variant-numeric: tabular-nums; }
  .frame-controls-panel > .button-wide { display: none; }

  .portrait-visual { min-height: clamp(340px, 95vw, 440px); }
  .portrait-front { width: 58%; height: 62%; inset-block-start: 17%; inset-inline-start: 6%; }
  .portrait-back { width: 43%; height: 49%; inset-block-start: 10%; inset-inline-end: 3%; }
  .portrait-note { inset-block-end: 7%; }

  .portrait-points span { font-size: .75rem; }
  .portrait-points b { font-size: 1rem; font-weight: var(--weight-semibold); }

  .project-teaser {
    min-width: min(84vw, 350px);
    min-height: min(390px, 112vw);
  }
  .project-teaser h3 { font-size: 1.4rem; line-height: 1.28; }
  .project-teaser p,
  .project-teaser b { font-size: .8rem; }

  .process-step h3,
  .trust-cards h3,
  .audience-list h3,
  .capability-grid h3,
  .campaign-card h3 {
    font-size: 1.35rem;
    line-height: 1.3;
  }

  .process-step p,
  .trust-cards p,
  .audience-list p,
  .capability-grid p,
  .campaign-card p {
    font-size: .9rem;
    line-height: 1.65;
  }

  .accordion summary b {
    font-size: 1.05rem;
    font-weight: var(--weight-semibold);
    line-height: 1.45;
  }

  .final-cta h2,
  .landing-hero-copy h1,
  .project-hero-content h1,
  .workshop-page-hero h1 {
    font-size: clamp(2.35rem, 10.5vw, 3.2rem);
    line-height: 1.08;
    letter-spacing: -.035em;
  }

  .mobile-sticky-cta {
    inset-inline: 10px;
    inset-block-end: max(10px, env(safe-area-inset-bottom));
    min-width: 0;
    min-height: 58px;
    padding-inline: 20px;
    gap: 12px;
    font-size: .9375rem;
    line-height: 1.25;
  }

  .page-hero { padding-block: calc(var(--header-height) + 46px) 48px; }
  .collection-stats span { min-width: 0; }
  .collection-stats b { font-size: 1rem; }
  .collection-stats small { font-size: .7rem; line-height: 1.35; }

  .toolbar-inner { gap: 8px; }
  .search-field { flex-basis: 100%; }
  .filter-toggle,
  .saved-button,
  .view-toggle button { min-height: 46px; }

  .art-grid-info h3 { font-size: 1.35rem; line-height: 1.28; }
  .art-grid-info p { font-size: .875rem; }
  .detail-copy > h1 { font-size: clamp(2.45rem, 11vw, 3.25rem); line-height: 1.1; }
  .detail-copy > p { font-size: 1rem; line-height: 1.7; }
  .detail-specs dt { font-size: .8rem; }
  .detail-specs dd { font-size: .9rem; }
  .detail-frame-options > div { overflow-x: auto; padding-block-end: 8px; }
  .detail-frame-options button { min-width: 88px; min-height: 60px; }
  .detail-frame-options button span { font-size: .72rem; }

  /* The builder preview is intentionally a compact white proofing surface on phones. */
  .builder-hero {
    padding-block: 42px 28px;
    gap: 22px;
  }

  .builder-hero aside {
    padding: 16px;
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 4px 10px;
  }

  .builder-hero aside b { font-size: .9rem; line-height: 1.45; }
  .builder-hero aside span { font-size: .8rem; line-height: 1.55; }
  .builder-shell { padding-block-end: 64px; }

  .builder-stepper {
    min-height: 66px;
    grid-template-columns: repeat(5, 112px);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
  }

  .portrait-builder-page .builder-stepper { grid-template-columns: repeat(4, 112px); }

  .builder-stepper button {
    min-width: 112px;
    min-height: 64px;
    padding: 10px;
    gap: 8px;
    scroll-snap-align: start;
  }

  .builder-stepper button > span { width: 28px; height: 28px; }
  .builder-stepper button b { font-size: .78rem; line-height: 1.3; }
  .builder-stepper button.is-current b { color: #fff; font-weight: var(--weight-bold); }

  .builder-workspace {
    min-height: 0;
    overflow: visible;
    border-radius: 0 0 16px 16px;
  }

  .builder-stage {
    min-height: 0;
    padding: 12px;
    background: #fff;
  }

  .builder-preview-wrap {
    height: auto;
    min-height: 0;
    grid-template-rows: auto minmax(280px, 84vw) auto;
  }

  .preview-toolbar {
    min-height: 40px;
    gap: 8px;
    font-size: .75rem;
    line-height: 1.35;
  }

  .preview-badge { flex: 0 0 auto; }

  .builder-wall,
  .portrait-stage .builder-wall {
    min-height: clamp(280px, 84vw, 360px);
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(38, 29, 40, .13);
  }

  .builder-wall::before,
  .preview-console { display: none; }
  .builder-wall .framed-art { max-width: 72%; max-height: 72%; }

  .preview-placeholder-note {
    width: calc(100% - 32px);
    max-width: 250px;
    padding: 12px;
    font-size: .8125rem;
    line-height: 1.45;
  }

  .builder-panel {
    min-height: 0;
    padding: 26px 16px 0;
    scroll-margin-top: calc(var(--header-height) + 8px);
  }

  .builder-panel-head > span { font-size: .78rem; font-weight: var(--weight-bold); }
  .builder-panel-head h2 {
    margin-block: 7px 6px;
    font-size: clamp(1.7rem, 8vw, 2.25rem);
    font-weight: var(--weight-semibold);
    line-height: 1.16;
  }
  .builder-panel-head p { font-size: .875rem; line-height: 1.6; }
  .builder-panel-body { min-height: 0; padding-block: 22px 20px; }

  .upload-zone {
    min-height: 230px;
    padding: 24px 18px;
  }
  .upload-zone strong { font-size: 1.25rem; font-weight: var(--weight-semibold); line-height: 1.35; }
  .upload-zone > span { font-size: .82rem; line-height: 1.55; }
  .upload-zone em { font-size: .84rem; font-weight: var(--weight-semibold); }

  .uploaded-file-card {
    min-height: 0;
    grid-template-columns: minmax(110px, 38%) minmax(0, 1fr);
    gap: 14px;
  }
  .uploaded-file-card img { height: 180px; background: #fff; }
  .uploaded-file-card span,
  .uploaded-file-card p,
  .uploaded-file-card button { font-size: .78rem; line-height: 1.45; }

  .quality-note b,
  .tip-card b { font-size: .875rem; }
  .quality-note p,
  .tip-card p { font-size: .8rem; line-height: 1.55; }

  .orientation-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .orientation-options button { min-height: 86px; }
  .orientation-options span { font-size: .8rem; font-weight: var(--weight-semibold); }

  .fit-options button { min-height: 104px; }
  .fit-options b,
  .size-options b { font-size: .9rem; font-weight: var(--weight-semibold); }
  .fit-options span,
  .size-options span { font-size: .78rem; line-height: 1.45; }

  .crop-controls { grid-template-columns: 1fr; }
  .crop-controls label { font-size: .8rem; }
  .crop-controls button { grid-column: auto; min-height: 44px; font-size: .8rem; }

  .frame-reference {
    min-height: 0;
    grid-template-columns: minmax(100px, 35%) minmax(0, 1fr);
  }
  .frame-reference img { height: 120px; }
  .frame-reference span { font-size: .75rem; }
  .frame-reference h3 { font-size: 1.15rem; font-weight: var(--weight-semibold); line-height: 1.35; }
  .frame-reference p { font-size: .78rem; line-height: 1.5; }

  .builder-frame-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .frame-choice { min-height: 120px; padding: 10px; }
  .frame-choice > span { height: 42px; }
  .frame-choice b { font-size: .8rem; }
  .frame-choice small { font-size: .72rem; line-height: 1.4; }

  .size-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .size-options button { min-height: 84px; }
  .segmented.large { min-height: 52px; }
  .segmented button { min-height: 44px; font-size: .82rem; font-weight: var(--weight-semibold); }

  .portrait-style-card {
    min-height: 132px;
    grid-template-columns: minmax(104px, 36%) minmax(0, 1fr);
    align-items: stretch;
  }
  .portrait-style-card > img { height: 132px; background: #fff; }
  .portrait-style-card > div { align-self: center; padding: 12px; }
  .portrait-style-card h3 { font-size: .95rem; font-weight: var(--weight-semibold); line-height: 1.35; }
  .portrait-style-card p { font-size: .78rem; line-height: 1.5; }

  .portrait-disclaimer,
  .fine-print,
  .review-quality,
  .review-note p { font-size: .8rem; line-height: 1.55; }

  .builder-actions {
    position: sticky;
    z-index: 30;
    inset-block-end: 0;
    min-height: 72px;
    margin-inline: -16px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(15, 9, 20, .97);
    backdrop-filter: blur(16px);
  }
  .builder-actions > * { min-width: 0; }
  .builder-actions .button { flex: 1; padding-inline: 12px; }
  .builder-actions .text-link { min-height: 48px; padding-inline: 4px; font-size: .82rem; }

  body:has(.builder-page),
  body:is([data-route="projects"], [data-route="workshop"]) { padding-block-end: 76px; }
  body:has(.builder-page) .builder-actions { inset-block-end: 68px; }

  .builder-mobile-summary { padding: 10px 12px; }
  .compact-selection { min-height: 0; }
  .compact-selection div { min-width: 0; padding: 10px; }
  .compact-selection dt { font-size: .7rem; }
  .compact-selection dd { font-size: .8rem; }

  .builder-help .shell {
    min-height: 0;
    padding-block: 18px;
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
  }
  .builder-help p { font-size: .82rem; line-height: 1.55; }
  .builder-help button { grid-column: 2; min-height: 44px; justify-self: start; }

  .portrait-process-link .shell { gap: 14px; }
  .portrait-process-link .shell > div { min-width: 0; }
  .portrait-process-link p { font-size: .875rem; line-height: 1.5; }

  .project-hero { min-height: 610px; }
  .project-hero-content > div:last-child { gap: 8px; }
  .project-hero-metrics span { min-width: 0; min-height: 78px; }
  .project-builder-copy > h2 { font-size: 2rem; line-height: 1.14; }
  .project-builder-copy dt { font-size: .78rem; }
  .project-builder-copy dd { font-size: .875rem; line-height: 1.5; }
  .campaign-card { min-height: min(370px, 112vw); }

  .quote-summary-panel > h2,
  .quote-form-head h2 { font-size: 1.75rem; line-height: 1.2; }
  .form-field > span small { font-size: .72rem; }
  .field-error { font-size: .78rem; }
  .quote-form-actions { gap: 8px; }
  .quote-form-actions .button { min-width: 0; padding-inline: 12px; }
}

@media (max-width: 430px) {
  :root { --shell: calc(100% - 24px); }

  .brand-logo { width: 104px; }
  .header-inner { gap: 7px; }
  .section { padding-block: 56px; }

  :is(.hero-copy h1, .page-hero h1, .builder-hero h1, .about-hero h1, .contact-hero h1, .legal-page h1) {
    font-size: clamp(2.1rem, 10vw, 2.7rem);
  }
  .section-heading h2 { font-size: clamp(1.95rem, 9.5vw, 2.5rem); }
  .final-cta h2,
  .landing-hero-copy h1,
  .project-hero-content h1,
  .workshop-page-hero h1 { font-size: clamp(2.1rem, 10vw, 2.7rem); }

  .frame-wall-panel { min-height: clamp(310px, 88vw, 370px); }
  .portrait-visual { min-height: clamp(310px, 88vw, 370px); }

  .hero-stage { min-height: min(390px, 112vw); }
  .path-grid { grid-template-rows: repeat(3, min(360px, 112vw)); }
  .art-grid-image { height: min(420px, 124vw); }
  .detail-main-image { height: min(470px, 124vw); }

  .builder-panel { padding-inline: 14px; }
  .builder-actions { margin-inline: -14px; padding-inline: 14px; }
  .builder-preview-wrap { grid-template-rows: auto minmax(260px, 84vw) auto; }
  .builder-wall,
  .portrait-stage .builder-wall { min-height: clamp(260px, 84vw, 340px); }
  .builder-wall .framed-art { max-width: 76%; max-height: 74%; }
  .builder-panel-head h2 { font-size: 1.7rem; }

  .uploaded-file-card { grid-template-columns: 1fr; }
  .uploaded-file-card img { height: 210px; }

  .portrait-style-card { grid-template-columns: 108px minmax(0, 1fr); }
  .portrait-style-card > img { height: 132px; }

  .project-hero-content > div:last-child { display: grid; }
  .project-hero-content > div:last-child .button { width: 100%; }
  .project-hero-metrics { inset-inline: 8px; }
  .project-hero-metrics span { padding: 10px 7px; font-size: .68rem; }
  .project-hero-metrics b { font-size: .75rem; }

  .quote-form-actions { display: grid; grid-template-columns: 1fr; }
}

@media (max-width: 359px) {
  .orientation-options,
  .fit-options,
  .builder-frame-grid,
  .size-options { grid-template-columns: 1fr; }

  .portrait-style-card { grid-template-columns: 96px minmax(0, 1fr); }
  .portrait-style-card > img { height: 124px; }
  .mobile-sticky-cta { padding-inline: 16px; font-size: .875rem; }
}

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

@media (forced-colors: active) {
  .button, .frame-swatch, .swipe-card, .path-card, input, select, textarea { border: 1px solid CanvasText; }
}