/* Mobile V1, 07/10/2026. Desktop rules remain unchanged above 768px. */
@media (max-width:768px) {
  :root { --mobile-gutter:max(clamp(20px,5vw,24px),env(safe-area-inset-left),env(safe-area-inset-right));--mobile-section:48px;--mobile-group:24px; }
  html { scrollbar-width:none;scrollbar-gutter:auto; }
  html::-webkit-scrollbar,body::-webkit-scrollbar { display:none;width:0;height:0; }
  html.has-floating-navigation { -webkit-text-size-adjust:100%;scroll-padding-top:88px; }
  body { min-width:0; }
  main,section,article,fieldset { min-width:0; }
  :is(.about-container,.presence-container,.contact-page-container,.portfolio-container) { padding-inline:20px; }
  :is(button,a,input,textarea,summary) { touch-action:manipulation; }
  :is(.site-header,#home-header,.portfolio-header,.catalog-header)[data-nav-enhanced] { height:76px;min-height:76px;padding:0 20px; }
  #home-header[data-nav-enhanced] { position:absolute;background:transparent;color:#fff; }
  [data-nav-enhanced] .navigation-shell { flex-direction:row;gap:16px; }
  [data-nav-enhanced] .navigation-shell>a { display:inline-flex;align-items:center;min-height:44px; }
  :is(.site-header,.portfolio-header,.catalog-header)[data-nav-enhanced] .navigation-shell>a img { width:154px;height:auto; }
  .catalog-header[data-nav-enhanced] .navigation-shell>.catalog-brand--tv img { width:min(182px,44vw); }
  [data-nav-enhanced][data-floating] .navigation-shell { top:max(8px,env(safe-area-inset-top));width:calc(100% - 24px);padding:6px 8px 6px 16px;border-radius:32px;gap:12px; }
  [data-nav-enhanced] .navigation-toggle,#home-header[data-nav-enhanced]:not([data-floating]) .navigation-toggle { display:inline-flex;min-height:44px;padding:10px 14px;gap:12px;background:#f5f6f3;color:#202823;border-color:#e1e5df; }
  #home-header[data-nav-enhanced]:not([data-floating]):not([data-menu-open]) .navigation-toggle { width:44px;padding:10px;font-size:0;gap:0;color:white;border:0;background:transparent; }
  #home-header[data-nav-enhanced]:not([data-floating]) .navigation-toggle>span,#home-header[data-nav-enhanced]:not([data-floating]) .navigation-toggle i { width:22px; }
  :is(.site-header,.portfolio-header,.catalog-header)[data-nav-enhanced] nav,#home-header[data-nav-enhanced] nav { position:absolute;top:calc(100% + 12px);right:0;display:grid;grid-template-columns:1fr;gap:0;width:min(340px,calc(100vw - 40px));max-height:calc(100svh - 104px);padding:12px 20px;border-radius:24px;background:linear-gradient(135deg,#fffffff5,#f5f9f7eb);overflow-y:auto;border:1px solid #d8dfd4;box-shadow:0 12px 32px #20282320;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px); }
  :is(.site-header,.portfolio-header,.catalog-header)[data-nav-enhanced] nav a,#home-header[data-nav-enhanced] nav a { display:flex;justify-content:flex-start;font-size:17px;min-height:48px;padding:12px 4px;white-space:nowrap;color:#202823;border-radius:0; }
  :is(.site-header,.portfolio-header,.catalog-header)[data-nav-enhanced] nav a+a,#home-header[data-nav-enhanced] nav a+a { border-top:1px solid #20282312; }
  html.navigation-overlay-open,html.navigation-overlay-open body { overflow:hidden; }
  [data-nav-enhanced][data-menu-open] .navigation-shell { position:static;transform:none;translate:none;animation:none;width:100%;max-width:none;border:0;box-shadow:none;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none; }
  [data-menu-open] .navigation-shell>a { visibility:hidden; }
  :is(.site-header,.portfolio-header,.catalog-header)[data-nav-enhanced][data-menu-open] nav,#home-header[data-nav-enhanced][data-menu-open] nav { position:fixed;inset:0;z-index:110;width:100%;height:100svh;max-height:none;border:0;border-radius:0;display:flex;flex-direction:column;flex-wrap:nowrap;align-items:center;justify-content:center;gap:2px;padding:calc(100px + env(safe-area-inset-top)) var(--mobile-gutter) calc(32px + env(safe-area-inset-bottom));overscroll-behavior:contain;background:#202823c9;box-shadow:none;backdrop-filter:blur(24px) saturate(.65);-webkit-backdrop-filter:blur(24px) saturate(.65); }
  :is(.site-header,.portfolio-header,.catalog-header)[data-nav-enhanced][data-menu-open] nav a,#home-header[data-nav-enhanced][data-menu-open] nav a { justify-content:center;flex:none;min-height:48px;padding:12px 20px;border:0;color:#ffffffc7;font-size:18px;letter-spacing:.025em;line-height:1.4; }
  [data-nav-enhanced][data-menu-open] nav a[aria-current] { color:#fff;text-decoration-color:#bd9ec7;text-underline-offset:9px; }
  [data-nav-enhanced][data-menu-open] nav a:focus-visible { outline:1px solid #fff;outline-offset:0;border-radius:8px; }
  [data-nav-enhanced][data-menu-open] .navigation-toggle,#home-header[data-nav-enhanced][data-menu-open] .navigation-toggle { position:fixed;z-index:111;left:50%;top:max(32px,calc((100svh - 450px) / 2 - 32px));transform:translateX(-50%);width:64px;height:52px;min-height:52px;justify-content:center;padding:0;font-size:0;background:transparent;color:#fff;border:0;border-bottom:1px solid #bd9ec7;border-radius:0;backdrop-filter:none;-webkit-backdrop-filter:none; }
  [data-menu-open] .navigation-toggle>span { width:20px;height:20px; }
  [data-menu-open] .navigation-toggle i { width:20px; }
  [data-menu-open] .navigation-toggle[aria-expanded="true"] i { top:9px; }
  .reel-hero { height:100svh;min-height:560px;max-height:none;background:#141d1b;color:#fff; }
  .reel-video { position:absolute;display:block;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:0;background:#141d1b; }
  .reel-hero[data-fit="contain"] .reel-video { object-fit:contain; }
  .reel-video:fullscreen { object-fit:contain; }
  .reel-scrim { display:block;z-index:1;background:linear-gradient(180deg,#08110f80,transparent 24%,#08110f14 42%,#08110fa6 78%,#08110fd9); }
  .reel-frame-controls { display:block;position:absolute;z-index:2;right:20px;top:42%; }
  .reel-frame-controls button { display:grid;place-items:center;width:44px;height:44px;border:1px solid #ffffff70;border-radius:50%;background:#14221d50;color:#fff;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);cursor:pointer; }
  .reel-frame-controls button[aria-pressed="true"] { background:#fff;color:#202823; }
  .reel-frame-controls button:focus-visible { outline:2px solid #fff;outline-offset:4px; }
  .reel-bottom { position:absolute;z-index:2;left:24px;right:24px;bottom:max(28px,env(safe-area-inset-bottom));padding:0;align-items:center;flex-wrap:nowrap;gap:12px;border:0; }
  .reel-mobile-controls { display:flex;gap:6px; }
  .reel-mobile-controls button { display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid #ffffff59;border-radius:50%;background:#ffffff12;color:#fff;cursor:pointer;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px); }
  .reel-mobile-controls button:focus-visible,.reel-next:focus-visible { outline:2px solid #fff;outline-offset:3px; }
  #reel-pause { font-size:0; }
  #reel-pause span { font-size:14px; }
  #reel-fullscreen { font-size:21px; }
  #reel-fullscreen[hidden] { display:none; }
  .reel-next { min-height:44px;font-size:11px;color:#fff;gap:10px; }
  .pl-introduction { padding:48px 24px 36px;text-align:center; }
  .pl-introduction :is(h2,.pl-introduction-lead,.pl-introduction-note) { max-width:32ch;margin-left:auto;margin-right:auto; }
  .pl-introduction h2 { font-size:clamp(31px,8.4vw,48px);line-height:1.12; }
  .pl-introduction-lead { font-size:clamp(20px,5.4vw,28px);line-height:1.4;margin-top:20px; }
  .pl-introduction-note { font-size:14px;margin-top:24px; }
  .pl-stage { height:clamp(560px,150vw,700px);min-height:0; }
  .pl[data-ready] .pl-orbit { grid-template-rows:repeat(3,minmax(0,1fr)); }
  .pl[data-ready] .pl-card { flex:0 0 calc(var(--pl-cycle) / var(--pl-slot-count) - 8px)!important; }
  .pl-wordmark { font-size:clamp(35px,10vw,72px);bottom:20px;gap:12px; }
  .pl-footer { margin-inline:20px;padding-top:24px; }
  .pl-dialog { max-height:calc(100svh - 24px);overflow:auto; }
  .pl-dialog-copy { padding:28px 20px; }
  .infinita-tv { padding:60px 0 32px; }
  .infinita-tv .tv-heading { padding-inline:20px; }
  .infinita-tv .tv-brand { width:190px; }
  .infinita-tv h2 { font-size:clamp(32px,8.5vw,44px); }
  .infinita-tv .tv-description { font-size:14px; }
  .infinita-tv .tv-prototype-note { font-size:12px;text-align:center;padding-inline:20px; }
  /* Keep the TV-to-brands handoff compact; move the complete constellation together. */
  .client-cases { margin:0;padding:0;background:white;overflow:hidden; }
  .client-cases__stage { --brand-unit:calc((100vw - 56px) / 5);--brand-top:24px;--brand-lower-offset:max(0px,calc((390px - 100vw) / 2));display:block;height:calc(var(--brand-unit) * 6.95 + var(--brand-top) + 24px + var(--brand-lower-offset));width:calc(100% - 24px);max-width:none;border:0;border-radius:0;overflow:visible;background:white; }
  /* Reflect the complete nine-card layout vertically below the central title. */
  .client-cases__lower { display:block;position:absolute;top:calc(var(--brand-unit) * 4.3 + var(--brand-top) + var(--brand-lower-offset));left:0;width:100%; }
  .client-cases__lower span { --tile-shift:0px;position:absolute;left:calc(var(--brand-column) * (100% + 8px) / 5);top:calc(var(--brand-row) * var(--brand-unit));width:calc((100% - 32px) / 5);display:flex;align-items:center;justify-content:center;height:var(--brand-unit);padding:6px;border:1px solid #e9ece8;border-radius:5px;background:#fff;box-shadow:0 12px 24px -17px #26352950;animation:client-brand-float 14s ease-in-out var(--phase,0s) infinite; }
  .client-cases__lower span:nth-child(1) { --brand-column:4;--brand-row:1.15;--phase:-10s; }
  .client-cases__lower span:nth-child(2) { display:none;--brand-column:1;--brand-row:.5;--phase:-4s; }
  .client-cases__lower span:nth-child(3) { --brand-column:3;--brand-row:.5;--phase:-16s; }
  .client-cases__lower span:nth-child(4) { --brand-column:0;--brand-row:0;--phase:-8s; }
  .client-cases__lower span:nth-child(5) { --brand-column:4;--brand-row:0;--phase:-20s; }
  .client-cases__lower img { width:100%;height:36px;object-fit:contain; }
  .client-cases__lower span:last-child img { width:clamp(36px,8vw,52px);height:clamp(36px,8vw,52px); }
  .client-cases__stage::before { display:block;inset:0;opacity:.25; }
  .client-cases__copy { position:absolute;top:calc(var(--brand-unit) * 2.75 + var(--brand-top) - 10px);left:50%;right:auto;width:58%;transform:translateX(-50%);margin:0; }
  .client-cases__copy h2 { font-size:clamp(23px,6vw,36px);max-width:460px;margin:0 auto;font-weight:600;line-height:1.06; }
  .client-cases__copy h2 span { color:#8a908b; }
  .client-cases__eyebrow { font-size:6px;letter-spacing:.08em; }
  .client-cases__mosaic { position:absolute;top:var(--brand-top);left:0;transform:none;display:block;width:100%;height:calc(var(--brand-unit) * 3); }
  .client-cases__mosaic .client-cases__card { --tile-shift:0px;position:absolute;left:calc(var(--brand-column) * (100% + 8px) / 5);top:calc(var(--brand-row) * var(--brand-unit));width:calc((100% - 32px) / 5);height:var(--brand-unit);grid-column:auto;padding:6px;border-radius:5px;border-color:#e9ece8;box-shadow:0 12px 24px -17px #26352950;animation:client-brand-float var(--float-duration,14s) ease-in-out var(--phase,0s) infinite; }
  .client-cases__card:nth-child(1) { --brand-column:0;--brand-row:.5;--phase:-2s; }
  .client-cases__card:nth-child(2) { --brand-column:1;--brand-row:0;--phase:-12s; }
  .client-cases__card:nth-child(3) { --brand-column:2;--brand-row:.25;--phase:-6s; }
  .client-cases__card:nth-child(4) { --brand-column:3;--brand-row:0;--phase:-18s; }
  .client-cases__card:nth-child(5) { --brand-column:4;--brand-row:.5;--phase:-10s; }
  .client-cases__card:nth-child(6) { --brand-column:1;--brand-row:1.15;--phase:-4s; }
  .client-cases__card:nth-child(7) { --brand-column:3;--brand-row:1.15;--phase:-16s; }
  .client-cases__card:nth-child(8) { --brand-column:0;--brand-row:1.65;--phase:-8s; }
  .client-cases__card:nth-child(9) { --brand-column:4;--brand-row:1.65;--phase:-20s; }
  .client-cases__card:nth-child(10) { --brand-column:0;--brand-row:5.45;--phase:-2s; }
  .client-cases__card:nth-child(11) { --brand-column:1;--brand-row:5.95;--phase:-12s; }
  .client-cases__card:nth-child(12) { --brand-column:2;--brand-row:5.7;--phase:-6s; }
  .client-cases__card:nth-child(13) { --brand-column:3;--brand-row:5.95;--phase:-18s; }
  .client-cases__card:nth-child(14) { --brand-column:1;--brand-row:4.95;--phase:-12s; }
  .client-cases__mosaic .client-cases__card:nth-child(n+10) { top:calc(var(--brand-row) * var(--brand-unit) + var(--brand-lower-offset)); }
  .client-cases__mosaic .client-cases__card:nth-child(14) { top:calc(var(--brand-row) * var(--brand-unit) + var(--brand-lower-offset) - 8px); }
  .client-cases__card:nth-child(n)::before { display:none; }
  .client-cases__card:nth-child(-n+5)::before { display:block;content:"";position:absolute;bottom:calc(100% + 8px);left:-1px;right:-1px;height:var(--brand-unit);border-radius:5px;background:linear-gradient(#f4f5f300,#e5e9e2);animation:client-square-arrive 12s ease-in-out var(--phase,0s) infinite;pointer-events:none; }
  .client-cases__card img { max-width:100%;height:36px;max-height:36px; }
  .client-cases__card[data-brand="volkswagen"] img,.client-cases__card[data-brand="itau"] img { width:clamp(36px,8vw,52px);height:clamp(36px,8vw,52px);max-height:52px; }
  /* Optical sizing follows each original mark, not one shared image height. */
  .client-cases__mosaic .client-cases__card[data-brand="ser-educacional"] { padding:3px; }
  .client-cases__card[data-brand="ser-educacional"] img { width:100%;max-width:120px;height:auto;max-height:52px;object-fit:contain; }
  .client-cases__mosaic .client-cases__card[data-brand="elogroup"] { padding:2px; }
  .client-cases__card[data-brand="elogroup"] img { width:100%;max-width:100%;height:auto;max-height:44px;object-fit:contain;transform:none; }
  .client-cases__mosaic .client-cases__card[data-brand="warner-music"] { padding:3px; }
  .client-cases__card[data-brand="warner-music"] img { width:100%;max-width:124px;height:auto;max-height:50px;object-fit:contain; }
  .client-cases__mosaic .client-cases__card[data-brand="stella-artois"],.client-cases__lower span:nth-child(4) { padding:2px; }
  .client-cases__card[data-brand="stella-artois"] img,.client-cases__lower span:nth-child(4) img { width:100%;max-width:100%;height:auto;max-height:28px;object-fit:contain; }
  .client-cases__card[data-brand="dharma-ai"] img { height:36px;max-height:36px; }
  .client-cases__card.client-cases__government { flex-direction:column;gap:3px; }
  .client-cases__card.client-cases__government img { width:22px;height:26px;flex:0 0 26px; }
  .client-cases__card.client-cases__government span { font-size:6px;text-align:center; }
  .client-cases__mosaic .client-cases__card[data-brand="sefaz-ce"] { padding:3px;gap:2px; }
  .client-cases__card[data-brand="sefaz-ce"] img { width:auto;max-width:100%;height:clamp(28px,8vw,44px);max-height:44px;flex:0 0 auto;object-fit:contain; }
  .client-cases__card[data-brand="sefaz-ce"] span { font-size:clamp(6.5px,1.7vw,9px);line-height:1.2; }
  .client-cases__mosaic .client-cases__card[data-brand="governo-rj"] { padding:2px;gap:2px; }
  .client-cases__card[data-brand="governo-rj"] img { width:auto;max-width:100%;height:clamp(24px,7vw,40px);max-height:40px;flex:0 0 auto;object-fit:contain; }
  .client-cases__card[data-brand="governo-rj"] span { font-size:clamp(6px,1.7vw,9px);line-height:1.15; }
  .client-cases__fall { display:block;position:relative;height:90px;overflow:hidden;pointer-events:none;mask-image:linear-gradient(transparent,#000 20%,transparent); }
  .client-cases__fall span { position:absolute;top:0;left:calc(var(--fall-column) * (100% + 6px) / 7);width:calc((100% - 36px) / 7);height:60px;border-radius:5px;background:#e7ebe5;opacity:0;animation:client-square-fall 12s ease-in-out var(--fall-delay) infinite; }
  .client-cases__fall span:nth-child(1) { --fall-column:0;--fall-delay:-2s; }
  .client-cases__fall span:nth-child(2) { --fall-column:2;--fall-delay:-8s; }
  .client-cases__fall span:nth-child(3) { --fall-column:4;--fall-delay:-5s; }
  .client-cases__fall span:nth-child(4) { --fall-column:6;--fall-delay:-10s; }
  .presence-home { display:grid;grid-template-columns:1fr;gap:28px;padding:44px 20px 56px; }
  .presence-home h2 { font-size:36px; }
  .presence-home-copy>p:not(.eyebrow) { font-size:15px; }
  .presence-home-logos { gap:10px; }
  .presence-home-logos li { min-height:100px;padding:18px; }
  .infinita-contact { padding:48px 20px;grid-template-columns:1fr;gap:24px; }
  .infinita-contact h2 { font-size:clamp(36px,9.8vw,54px); }
  .infinita-contact .contact-intro { font-size:15px; }
  .about-page { --about-gutter:20px; }
  .about-intro { padding-block:36px 40px; }
  .about-intro h1 { font-size:clamp(40px,11.5vw,78px);gap:12px;max-width:none; }
  .about-title-rule { min-width:12px; }
  .about-story { padding-top:16px;padding-bottom:44px; }
  .about-story-title { font-size:clamp(36px,9.8vw,52px); }
  .about-manifesto { grid-template-columns:1fr;gap:24px;margin-top:28px; }
  .about-manifesto p { font-size:16px; }
  .about-purpose .about-purpose-title { font-size:32px; }
  .about-story-grid { grid-template-columns:1fr;gap:24px;margin-top:36px; }
  .about-story-grid h3 { margin-bottom:10px;font-size:23px; }
  .about-story-grid p { margin-bottom:10px; }
  .about-story-ending { margin-top:28px; }
  .about-story-ending>p { font-size:24px; }
  .about-founders { padding-block:40px; }
  .founders-heading { margin-bottom:24px; }
  .founders-heading h2 { font-size:36px; }
  .founders-grid { grid-template-columns:1fr;gap:32px; }
  .founder-portrait { height:390px;aspect-ratio:auto;margin-top:16px; }
  .founder-card h3 { font-size:13px; }
  .founder-role { font-size:10px; }
  .infinita-process.process-compact { padding:40px 20px; }
  .process-compact-header { display:block; }
  .process-compact-header h2 { margin-top:16px;font-size:30px; }
  .process-tabs { display:flex;overflow-x:auto;gap:8px;padding:4px 0 12px; }
  .process-tabs button { flex:0 0 128px;min-height:48px;font-size:13px; }
  .process-compact-panels article { min-height:210px; }
  .about-closing { padding-block:40px 48px; }
  .about-closing h2 { font-size:clamp(36px,10vw,52px); }
  .portfolio-intro { padding-top:36px; }
  .portfolio-intro-copy { display:block;margin-bottom:28px; }
  .portfolio-intro h1 { font-size:clamp(36px,9.7vw,52px); }
  .portfolio-intro-copy>p { margin-top:20px;white-space:normal;font-size:14px; }
  .portfolio-reel { aspect-ratio:4/3; }
  .portfolio-reel-word { font-size:30px; }
  .portfolio-reel figcaption { display:block; }
  .portfolio-reel-note { display:block;text-align:left;margin-top:8px;font-size:9px; }
  .portfolio-projects { padding-block:40px; }
  .portfolio-grid { grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 12px; }
  .portfolio-reference-notice p,.portfolio-card-meta { font-size:11px; }
  .portfolio-sofia { padding-block:40px; }
  .portfolio-sofia-intro { grid-template-columns:1fr;gap:24px; }
  .portfolio-sofia h2 { font-size:38px; }
  .portfolio-sofia-cover { aspect-ratio:4/3; }
  .portfolio-sofia-chapters { margin-top:24px; }
  .portfolio-sofia-chapters summary { font-size:17px; }
  .portfolio-sofia-chapters details>p { margin-left:0;font-size:14px; }
  .portfolio-dialog-content { padding:24px 20px; }
  .presence-intro { padding:36px 0 24px; }
  .presence-intro-grid { grid-template-columns:1fr;gap:20px; }
  .presence-intro h1 { font-size:clamp(34px,9vw,48px); }
  .presence-intro-grid>p { font-size:15px;justify-self:start; }
  .presence-gallery { position:relative;display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:8px; }
  .presence-gallery::-webkit-scrollbar { display:none; }
  .presence-gallery:focus-visible { outline:2px solid #2f59a7;outline-offset:4px; }
  .presence-gallery>.presence-event { flex:0 0 90%;scroll-snap-align:start;scroll-snap-stop:always; }
  .presence-event-controls:not([hidden]) { display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-bottom:8px; }
  .presence-event-controls span { margin-right:auto;font:11px 'IBM Plex Mono',monospace;color:#687269; }
  .presence-event-controls button { width:44px;height:44px;border:1px solid #dce2da;border-radius:50%;background:#fff;color:#202823;font-size:20px;cursor:pointer; }
  .presence-event-controls button:disabled { opacity:.3;cursor:default; }
  .presence-event-controls button:focus-visible { outline:2px solid #2f59a7;outline-offset:3px; }
  .presence-event-logo { height:64px; }
  .presence-media { width:100%;max-width:none;margin-inline:auto;aspect-ratio:9/16; }
  .presence-event h2 { font-size:20px; }
  .presence-event-meta { font-size:13px; }
  .presence-video-controls button { width:44px;height:44px; }
  .presence-talks { padding-top:44px; }
  .presence-talks-heading { gap:16px;align-items:start;flex-wrap:wrap; }
  .presence-talks h2 { font-size:32px; }
  .presence-talks-note { font-size:14px; }
  .presence-photo-controls button { width:44px;height:44px; }
  .presence-photo-slide { flex-basis:86%; }
  .presence-closing { padding-block:44px;flex-direction:column;align-items:start; }
  .presence-closing h2 { font-size:34px; }
  .contact-page-intro { padding:36px 0 28px; }
  .contact-page-intro h1 { font-size:clamp(34px,9.4vw,48px); }
  .contact-page-details,.contact-page-fields,.contact-page-aside,.contact-faq { grid-template-columns:1fr; }
  .contact-page-message input,.contact-page-message textarea { font-size:16px; }
  .contact-page-message label,.contact-page-channel p,.contact-page-channel a { font-size:14px; }
  .contact-page-channel a { min-height:44px; }
  .contact-page-actions { gap:16px; }
  .contact-location-heading { padding:22px; }
  .contact-location-map { height:280px; }
  .contact-faq summary { font-size:15px; }
  .contact-faq details>p { font-size:14px; }
  .home-faq { grid-template-columns:1fr;gap:32px;padding:36px 20px 44px; }
  .home-faq h1 { font-size:40px; }
  .home-faq summary { font-size:16px; }
  .faq-contact { padding-inline:20px; }
  .careers-main { padding:36px 20px 48px; }
  .careers-intro h1 { font-size:40px; }
  .careers-details { grid-template-columns:1fr;gap:28px;margin-top:32px; }
  .careers-email { overflow-wrap:anywhere; }
  .catalog-coming-soon { padding-inline:20px; }
  .catalog-coming-soon h1 { font-size:clamp(60px,17vw,90px); }
  body>footer[data-social-footer] { display:flex;flex-direction:column;align-items:flex-start;gap:16px;padding:28px 20px calc(28px + env(safe-area-inset-bottom)); }
  body>footer[data-social-footer]>p { max-width:100%;font-size:11px;line-height:1.7; }
  .footer-shortcuts { width:100%;gap:8px 24px; }
  .footer-shortcuts .social-links { margin-left:auto; }
  /* Editorial rhythm: a shared gutter, related content grouped, sections separated.
     Research: Carbon spacing, web.dev typography, W3C target size / reflow. */
  :is(.about-container,.presence-container,.contact-page-container,.portfolio-container) { padding-inline:var(--mobile-gutter); }
  :is(.site-header,#home-header,.portfolio-header,.catalog-header)[data-nav-enhanced] { padding-inline:var(--mobile-gutter); }
  :is(.pl-introduction,.presence-home,.infinita-contact,.home-faq,.careers-main) { padding-inline:var(--mobile-gutter);padding-block:var(--mobile-section); }
  .about-page { --about-gutter:var(--mobile-gutter); }
  .infinita-process.process-compact { padding:var(--mobile-section) var(--mobile-gutter); }
  :is(.portfolio-intro,.presence-intro,.contact-page-intro) { padding-top:32px;padding-bottom:32px; }
  :is(.about-founders,.about-closing,.portfolio-projects,.portfolio-sofia,.portfolio-closing,.presence-closing,.contact-faq) { padding-block:var(--mobile-section); }
  :is(.presence-home,.infinita-contact,.contact-faq) { gap:32px; }
  :is(.about-manifesto,.about-story-grid,.careers-details,.portfolio-sofia-intro,.presence-intro-grid) { gap:var(--mobile-group); }
  :is(.pl-introduction .pl-eyebrow,.presence-home .eyebrow,.presence-intro>.eyebrow,.contact-page-intro>.eyebrow,.portfolio-eyebrow,.founders-heading .eyebrow) { margin-bottom:16px; }
  :is(.presence-home h2,.infinita-contact h2,.founders-heading h2,.portfolio-section-heading h2,.presence-talks h2) { margin-top:0;margin-bottom:16px;line-height:1.12; }
  :is(.presence-home-copy>p:not(.eyebrow),.infinita-contact .contact-intro,.presence-intro-grid>p,.about-manifesto p,.about-story-grid p,.careers-details p,.contact-page-intro>p:last-child,.contact-form-intro,.contact-page-channel p,.contact-faq details>p,.home-faq details>p,.portfolio-sofia-chapters details>p,.portfolio-dialog-content>p:not(.portfolio-eyebrow)) { font-size:16px;line-height:1.65;max-width:60ch; }
  .portfolio-intro-copy>p { font-size:16px;line-height:1.65;margin-top:24px; }
  .pl-introduction-note { font-size:14px;line-height:1.65;margin-top:24px; }
  .presence-home-copy>p:not(.eyebrow) { margin-bottom:24px; }
  .about-story-grid h3 { margin-bottom:12px; }
  .about-story-grid p { margin-bottom:16px; }
  .portfolio-grid { gap:32px 16px; }
  .portfolio-card-copy { margin-top:12px; }
  .portfolio-card-title { font-size:14px;line-height:1.4; }
  .portfolio-card-meta,.portfolio-reference-notice p,.portfolio-grid-note { font-size:12px;line-height:1.6; }
  .portfolio-section-heading { margin-bottom:24px; }
  .founder-card h3 { font-size:15px;line-height:1.4; }
  .founder-role { font-size:12px;line-height:1.6; }
  .presence-home-logos { gap:16px; }
  .presence-home-logos li { padding:16px; }
  .presence-event-controls:not([hidden]) { margin-bottom:16px; }
  .presence-event-logo { margin-bottom:8px; }
  .presence-event h2 { margin-top:16px;margin-bottom:8px;line-height:1.3; }
  .presence-event-meta { margin:0;font-size:13px;line-height:1.5; }
  .presence-talks { padding-top:48px; }
  .presence-talks-heading { margin-bottom:24px; }
  .presence-talks-note { margin:0;font-size:15px;line-height:1.6; }
  .contact-page-details { padding-block:32px 48px;gap:40px; }
  .contact-page-fields { gap:24px; }
  .contact-page-aside { padding:32px 0 0;border-left:0;border-top:1px solid var(--line); }
  .contact-form-intro { margin-bottom:24px; }
  .contact-form-disclaimer,.contact-page-feedback { font-size:13px;line-height:1.6; }
  .contact-page-message label small { font-size:12px; }
  .contact-page-send,.contact-page-copy { font-size:14px; }
  .contact-location-heading { padding:24px;gap:24px; }
  :is(.contact-faq summary,.home-faq summary) { min-height:56px;padding-block:20px;font-size:16px;line-height:1.45;gap:16px; }
  .home-faq-answer p { font-size:16px;line-height:1.65; }
  :is(.contact-faq details>p,.home-faq details>p) { margin-top:0;margin-bottom:24px; }
  .portfolio-sofia-chapters summary { min-height:56px;line-height:1.4; }
  :is(.presence-link,.portfolio-contact,.contact-page-send,.contact-page-copy,.contact-faq-link,.faq-contact a,.careers-email) { min-height:48px; }
  body>footer[data-social-footer] { padding:32px var(--mobile-gutter) calc(32px + env(safe-area-inset-bottom));gap:24px; }
  .footer-shortcuts { gap:8px 24px;align-items:center; }
  .footer-shortcuts>a,body>footer[data-social-footer]>a { display:inline-flex;align-items:center;min-height:44px;font-size:13px; }
  :is(.contact-page-message input,.contact-page-message textarea,.contact-faq summary,.home-faq summary,.portfolio-sofia-chapters summary,.presence-gallery) { scroll-margin-top:88px; }
}
@media (max-height:600px) and (max-width:768px) {
  :is(.site-header,.portfolio-header,.catalog-header)[data-nav-enhanced][data-menu-open] nav,#home-header[data-nav-enhanced][data-menu-open] nav { justify-content:flex-start;padding-top:calc(72px + env(safe-area-inset-top));padding-bottom:calc(12px + env(safe-area-inset-bottom));gap:0;overflow-y:auto; }
  :is(.site-header,.portfolio-header,.catalog-header)[data-nav-enhanced][data-menu-open] nav a,#home-header[data-nav-enhanced][data-menu-open] nav a { min-height:44px;height:44px;padding-block:8px; }
  [data-nav-enhanced][data-menu-open] .navigation-toggle,#home-header[data-nav-enhanced][data-menu-open] .navigation-toggle { top:max(12px,env(safe-area-inset-top)); }
}
@media (prefers-reduced-motion:reduce) and (max-width:768px) {
  .client-cases__mosaic .client-cases__card,.client-cases__card:nth-child(-n+5)::before,.client-cases__fall span,.client-cases__lower span:nth-child(n) { animation:none; }
  .client-cases__lower span { transform:translateY(var(--tile-shift,0px)); }
}
@media (min-width:600px) and (max-width:768px) {
  .founders-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .presence-gallery>.presence-event { flex-basis:60%; }
}