/* Glide's single-column layout and touch controls. Loaded after the chapter styles. */
.mobile-header-actions, .mobile-sheet-grip, .mobile-sheet-search, .scenario-short, .lightbox-gallery { display: none; }
.menu-nav-item .menu-item-mark { display: none; }
.workbench-mobile-label, .preview-dots, .diag-route, .diag-check-log > summary { display: none; }
.diag-inspector { display: flex; flex-direction: column; }
.diag-check-log { order: -1; }
.m-share { display: none; }

.m-toast {
  position: fixed;
  inset-inline: 16px;
  inset-block-end: calc(76px + env(safe-area-inset-bottom, 0px));
  z-index: 140;
  width: fit-content;
  max-width: calc(100% - 32px);
  margin-inline: auto;
  padding: 10px 14px;
  border: 1px solid var(--chrome-line);
  border-radius: 10px;
  color: var(--chrome-text);
  background: var(--panel-solid);
  box-shadow: 0 12px 30px #0a0a1235;
  font-size: 0.86rem;
  text-align: center;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 180ms var(--ease-cinematic), transform 180ms var(--ease-cinematic);
}

.m-toast.is-in { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  #main, .site-footer { --story-width: min(calc(100% - 32px), 700px); }

  html { scroll-padding-top: calc(76px + env(safe-area-inset-top, 0px)); }

  #main > :is(.closer-look, .diagnostics-sec, .features, .details-sec, .changes, .download, .faq) {
    padding-block: clamp(46px, 8vw, 76px);
  }

  #main > section:not(#top) :is(.section-cinematic-title, .section-title) {
    max-width: 24ch;
    font-size: clamp(2rem, 6vw, 3.25rem);
    line-height: 1.08;
    text-wrap: pretty;
  }

  #main > section:not(#top) :is(.section-cinematic-sub, .section-sub) {
    margin-block-start: 12px;
    font-size: clamp(0.94rem, 2.1vw, 1.06rem);
    line-height: 1.6;
  }

  #main :is(.section-cinematic-head, .faq-head) { margin-block-end: 23px; }
  #main .showcase-intro { margin: 0; }
  .desktop-chapter-label { margin-block-end: 11px; font-size: 0.68rem; }

  /* Readable full-window preview, with inspection available from the toolbar. */
  .showcase-layout { grid-template-columns: minmax(0, 1fr); gap: 15px; }
  .showcase-layout::before { inset: 29% 0 9%; opacity: 0.55; }
  .showcase-deck { padding: 9px; border-radius: 14px; }
  .showcase-deck .showcase-toolbar { gap: 4px; margin-block-end: 8px; }
  .showcase-deck .view-switcher { flex: 1; min-width: 0; }
  .showcase-deck .view-btn { flex: 1; min-height: 44px; padding-inline: 7px; font-size: 0.74rem; white-space: nowrap; }
  .showcase-deck .zoom-trigger-btn { display: inline-flex !important; min-width: 44px; min-height: 44px; justify-content: center; padding: 0; }
  .showcase-deck .zoom-trigger-btn span { display: none; }
  #closer-look .screenshot-viewport { aspect-ratio: 1412 / 886; overflow: hidden; }
  #closer-look .hero-app-screen {
    position: static;
    display: block;
    width: 100% !important;
    max-width: 100%;
    height: auto;
    transform: none;
    cursor: zoom-in;
  }
  .showcase-deck .showcase-caption { padding: 8px 10px; font-size: 0.75rem; }
  .showcase-deck .stage-glow { display: none; }
  .story-disclosure-body::before { block-size: 10px; }

  [data-preview-track] {
    display: flex !important;
    flex-direction: row !important;
    align-items: stretch;
    gap: 10px !important;
    min-inline-size: 0;
    margin: 0;
    padding: 3px 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  [data-preview-track]::-webkit-scrollbar { display: none; }
  [data-preview-track] > .feature-spotlight,
  #closer-look [data-preview-track] > .closer-trio-grid { display: contents !important; }

  [data-preview-track] :is([data-preview-slide], .tile) {
    flex: 0 0 100% !important;
    min-inline-size: 0;
    max-inline-size: none !important;
    margin: 0 !important;
    scroll-snap-align: start !important;
    scroll-snap-stop: always;
    border-radius: 14px !important;
    overflow: hidden;
  }

  .workflow-demos [data-preview-track] .tile {
    display: flex;
    flex-direction: column;
    padding: 0 !important;
  }

  .workflow-demos [data-preview-track] .viz {
    flex: none;
    min-block-size: 104px;
    padding: 10px 12px 4px;
  }

  .workflow-demos [data-preview-track] .viz-ring { min-block-size: 0; }
  .workflow-demos .viz-ring svg { inline-size: min(100%, 124px); }
  .workflow-demos .vr-interactive-btn { height: auto; gap: 2px; }
  .workflow-demos .vr-interactive-btn .vr-badge-pill { margin-block-start: 0; }
  .workflow-demos .vr-interactive-btn:focus-visible { outline-offset: -2px; border-radius: 8px; }

  .workflow-demos [data-preview-track] .tile-text {
    flex: none;
    min-inline-size: 0;
    max-inline-size: none;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    align-content: start;
    gap: 6px 8px;
    padding: 10px 13px 14px !important;
  }

  .workflow-demos [data-preview-track] .tile-text .tile-icon { width: 27px; height: 27px; margin: 0; border-radius: 7px; }
  .workflow-demos [data-preview-track] .tile-text .tile-icon .icon { width: 15px; height: 15px; }
  .workflow-demos [data-preview-track] .tile-text h3 { font-size: 1rem; }
  .workflow-demos [data-preview-track] .tile-text p { grid-column: 1 / -1; font-size: .83rem; line-height: 1.5; }
  .workflow-demos [data-preview-track] .viz-chips { gap: 4px; }
  .workflow-demos [data-preview-track] .viz-chips .chip { padding: 4px 7px; font-size: .69rem; }
  .workflow-demos [data-preview-track] .viz-bars { height: 122px; gap: 6px; }
  .workflow-demos .viz-bars i { inline-size: 16px; max-block-size: 88px; }
  .workflow-demos .viz-bars i em { inset-inline: -7px; font-size: .66rem; }
  .workflow-demos .viz-tray .vt-head { padding-block: 5px; }
  .workflow-demos .viz-tray .vt-item { padding-block: 5px; }
  .workflow-demos .viz-tray .vt-bar { block-size: 27px; }

  .workflow-demos .t-paste .viz-paste {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 10px 10px 4px !important;
  }

  .workflow-demos .proto-chips-bar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px;
    inline-size: 100%;
    margin: 0;
    padding: 0;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .workflow-demos .proto-chip { min-block-size: 44px; padding: 4px; font-size: .72rem; }
  .workflow-demos .vp-line { inline-size: 100%; padding: 6px 8px; font-size: .66rem; text-overflow: ellipsis; }
  .workflow-demos .vp-card { gap: 6px; padding: 7px 8px; animation: none; }

  .desktop-workflows[data-preview-track] {
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .desktop-workflows .workflow {
    position: relative;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 1fr auto;
    align-items: start;
    gap: 10px;
    padding: 13px;
    border: 1px solid var(--story-line);
    background: var(--story-layer);
  }

  .desktop-workflows .workflow-icon {
    position: absolute;
    inset-block-start: 13px;
    inset-inline-start: 13px;
    width: 28px;
    height: 28px;
  }

  .desktop-workflows .workflow-icon .icon { width: 16px; height: 16px; }
  .desktop-workflows .workflow-tag {
    display: flex;
    align-items: center;
    min-block-size: 28px;
    padding-inline-start: 36px;
  }

  .desktop-workflows .workflow h3 { font-size: 1.05rem; }
  .desktop-workflows .workflow p { font-size: .84rem; line-height: 1.5; }
  .desktop-workflows .workflow-media {
    justify-self: stretch;
    max-inline-size: none;
    block-size: 96px;
    aspect-ratio: auto;
  }

  .desktop-workflows .workflow-import .workflow-media img { object-fit: contain; }
  .desktop-workflows + .preview-dots { margin-block-end: 8px; }

  .showcase-preview :is(.spotlight-main, .spotlight-side) {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--story-line);
    background: var(--story-layer);
  }

  .showcase-preview .spotlight-media { order: -1; margin: 0; }
  .showcase-preview .panel-media { block-size: auto; margin: 0; }
  .showcase-preview :is(.panel-media, .spotlight-media) .feature-shot {
    display: block;
    inline-size: 100%;
    block-size: clamp(132px, 44vw, 230px) !important;
    object-fit: contain !important;
    background: #0b0d14;
  }

  .showcase-preview :is(.spotlight-header, .panel-body) { padding: 12px 14px 16px; }
  .showcase-preview :is(.spotlight-header, .panel-body) h3 { font-size: 1.02rem; }
  .showcase-preview :is(.spotlight-header, .panel-body) p { font-size: .84rem; }
  .showcase-preview .migration-callout {
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
    padding: 12px 14px 16px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .showcase-preview .migration-head { margin: 0; }
  .showcase-preview .migration-callout p { margin: 0; font-size: .84rem; }
  .showcase-preview .import-preview-trigger { order: -1; }
  .showcase-preview :is(.media-zoom-wrap, .import-preview-trigger):focus-visible { outline-offset: -3px; }

  .preview-dots { display: flex; justify-content: center; }
  .preview-dots > button {
    display: grid;
    place-items: center;
    inline-size: min(30px, 100% / 9);
    min-block-size: 44px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--story-muted);
    cursor: pointer;
    touch-action: manipulation;
  }

  .preview-dots > button::before {
    content: "";
    inline-size: 14px;
    block-size: 6px;
    border-radius: 99px;
    background: currentColor;
    opacity: .55;
    transform: scaleX(.45);
    transition: transform 160ms var(--ease), opacity 160ms var(--ease);
  }

  .preview-dots > button:is([aria-current], :active)::before { opacity: 1; transform: scaleX(1); color: var(--story-accent); }
  .preview-dots > button:focus-visible,
  .diag-check-log > summary:focus-visible { outline: 2px solid var(--story-accent); outline-offset: -2px; }

  .diag-body { display: block; }
  .diag-body .scenario-picker { padding: 7px 0 5px; border-inline-end: 0; border-block-end: 1px solid var(--story-line); }
  .diag-body .scenario-label { margin-block-end: 4px; padding-inline: 12px; }
  .diag-body .scenario-buttons {
    display: flex;
    gap: 6px;
    padding: 3px 12px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 12px;
    scrollbar-width: none;
  }

  .diag-body .scenario-buttons::-webkit-scrollbar { display: none; }
  .diag-body .scenario-btn {
    flex: 0 0 auto;
    inline-size: auto;
    gap: 6px;
    padding-inline: 10px;
    border-color: var(--story-line);
    background: var(--story-layer);
    font-size: .76rem;
    white-space: nowrap;
    scroll-snap-align: start;
  }

  .scenario-full { display: none; }
  .scenario-short { display: inline; }
  .diag-workbench .workbench-header { padding: 5px 12px; gap: 8px; }
  .diag-workbench .diag-rerun-btn { padding-inline: 9px; font-size: .75rem; }
  .diag-workbench .workbench-title { font-size: .81rem; }
  .workbench-mobile-label { display: inline; }
  .workbench-desktop-label { display: none; }

  .diag-inspector { padding: 12px 12px 4px; }
  .diag-route {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    margin: 0;
    padding: 0 0 4px;
    list-style: none;
  }

  .diag-route > li {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 5px;
    color: var(--story-muted);
    font-size: .66rem;
    line-height: 1.3;
    white-space: nowrap;
  }

  .diag-route > li:not(:last-child)::before,
  .diag-route > li:not(:last-child)::after {
    content: "";
    position: absolute;
    inset-block-start: 13px;
    inset-inline-start: 50%;
    inline-size: 100%;
    block-size: 2px;
    background: var(--story-line);
  }

  .diag-route > li:not(:last-child)::after {
    background: var(--story-verified);
    transform: scaleX(0);
    transform-origin: left center;
  }

  html[dir="rtl"] .diag-route > li::after { transform-origin: right center; }
  .diag-route > li.is-done:has(+ :is(.is-done, .is-checking, .is-fail))::after {
    transform: scaleX(1);
    transition: transform 160ms var(--ease);
  }

  .diag-route > li.is-done:has(+ .is-fail)::after { background: var(--story-warning); }
  .diag-node {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    inline-size: 28px;
    block-size: 28px;
    border: 1px solid var(--story-line);
    border-radius: 50%;
    background: var(--story-layer);
    color: inherit;
    font-weight: 750;
    font-size: .78rem;
  }

  .diag-route .is-done { color: var(--story-verified); }
  .diag-route .is-checking { color: var(--story-accent); }
  .diag-route .is-fail { color: var(--story-warning); }
  .diag-route :is(.is-done, .is-checking, .is-fail) .diag-node {
    border-color: currentColor;
    background: linear-gradient(color-mix(in srgb, currentColor 10%, transparent), color-mix(in srgb, currentColor 10%, transparent)), var(--story-layer);
  }

  .diag-workbench .diag-result-slot .diag-verdict.is-warn {
    border-color: color-mix(in srgb, var(--story-warning) 42%, var(--story-line));
    background: color-mix(in srgb, var(--story-warning) 6%, var(--story-layer));
  }

  .diag-workbench .diag-result-slot .diag-verdict { min-block-size: 0; padding: 10px; gap: 6px; }
  .diag-workbench .verdict-title { margin-block-end: 3px; font-size: .88rem; }
  .diag-workbench .verdict-body { font-size: .79rem; line-height: 1.5; }
  .diag-workbench .verdict-body:empty { display: none; }
  .diag-workbench .verdict-action-btn { padding-inline: 11px; border-radius: 8px; font-size: .75rem; box-shadow: none; }

  .diag-check-log { order: 0; }
  .diag-check-log > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-block-size: 44px;
    padding-inline: 2px;
    color: var(--story-accent);
    font-size: .79rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    touch-action: manipulation;
  }

  .diag-check-log > summary::-webkit-details-marker { display: none; }
  .diag-check-log > summary::after { content: "+"; font-size: 1rem; }
  .diag-check-log[open] > summary::after { content: "−"; }
  .diag-check-log[open] { margin-block-end: 8px; }

  @media (prefers-reduced-motion: no-preference) {
    .diag-check-log[open] > .diag-stream { animation: mobile-preview-in 220ms var(--ease) both; }
  }

  #main > .ribbon { padding-block: 22px; }
  .ribbon .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ribbon .stat { padding: 13px 10px; }
  .ribbon .stat-num { font-size: 1.65rem; }
  .ribbon .stat-label { font-size: 0.79rem; line-height: 1.4; }
  .ribbon .stat-val { display: none; }
  .ribbon .stat:nth-child(n+3) { border-block-start: 1px solid var(--story-line); }
  .ribbon .glossary summary { min-height: 44px; }

  #main > .details-sec { padding-block-end: 26px; }
  #main > .changes { padding-block-start: 22px; }
  .details-sec .details-tabs-bar { width: 100%; }
  .details-sec .details-tab { min-height: 44px; white-space: normal; }

  #main .download-panel {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: clamp(17px, 4vw, 30px);
    border-radius: 15px;
  }

  .download .download-glow {
    background-size: 390px;
    background-position: right -170px bottom -170px;
    opacity: 0.08;
  }

  .download .dl-packages { margin-block-start: 16px; }
  .download .dl-pkg-row {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 7px 10px;
    padding: 12px;
    align-items: start;
  }

  .download .dl-pkg-ico { width: 36px; height: 36px; border-radius: 9px; }
  .download .dl-pkg-info { min-width: 0; }
  .download .dl-pkg-info :is(strong, span) { overflow-wrap: anywhere; }
  .download .dl-pkg-btn { grid-column: 2; justify-self: start; margin: 0; white-space: normal; overflow-wrap: anywhere; }
  .download .quickstart-col { padding: 14px 0 0; border-inline-start: 0; border-block-start: 1px solid var(--story-line); }
  .download .qs-heading { margin: 0 0 10px; }

  #main .faq-layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  #main .faq-head { position: static; }
  #main > .final-cta { padding-block: 62px 68px; }
  .site-footer { padding-block-end: calc(28px + env(safe-area-inset-bottom, 0px)); }
}

@media (max-width: 820px) {
  #main { --story-globe: url("/assets/hero-network-dark-576.webp?v=coat"); }
  [data-theme="light"] #main { --story-globe: url("/assets/hero-network-light-576.webp?v=coat"); }

  #palInput { font-size: 16px; }
  .download .qs-steps > li { padding-inline-start: 0; }
  .section-title .split-word {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }

  .download .dl-secondary-row .dl-pkg-btn {
    display: flex !important;
    width: auto !important;
    min-height: 0;
    margin: 0 !important;
    padding: 0 !important;
    border: 0;
    color: var(--story-accent);
    background: transparent;
    box-shadow: none;
    font-size: 0.72rem;
  }

  #palette {
    max-height: calc(100dvh - 30px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  #screenshotDialog {
    width: 100%;
    height: 100dvh;
    max-width: 100%;
    max-height: 100dvh;
    margin: 0;
    border-radius: 0;
  }

  #screenshotDialog .lightbox-inner { height: 100%; max-height: 100%; }
  #screenshotDialog .lightbox-bar { padding-block-start: max(8px, env(safe-area-inset-top, 0px)); }
  #screenshotDialog .lightbox-close-btn { min-width: 44px; min-height: 44px; }
  #screenshotDialog .lightbox-body {
    min-height: 0;
    padding: 12px 8px max(12px, env(safe-area-inset-bottom, 0px));
    overscroll-behavior: contain;
    touch-action: pan-x pan-y pinch-zoom;
  }
  #screenshotDialog .lightbox-body img { max-width: 100%; max-height: 100%; object-fit: contain; }

  #screenshotDialog:has(.lightbox-gallery:not([hidden])) .lightbox-inner { grid-template-rows: auto minmax(0, 1fr) auto; }
  #screenshotDialog[data-gallery]:not([data-gallery-zoomed]) .lightbox-body { touch-action: pan-y pinch-zoom; }
  .lightbox-gallery:not([hidden]) {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 14px max(8px, env(safe-area-inset-bottom, 0px));
    border-block-start: 1px solid var(--chrome-line);
  }

  .lightbox-gallery .util-btn { min-width: 44px; min-height: 44px; }
  .lightbox-gallery-count { color: var(--chrome-muted); font: .77rem/1 var(--font-mono); }
  html[dir="ltr"] [data-gallery-step="-1"] .icon,
  html[dir="rtl"] [data-gallery-step="1"] .icon { transform: scaleX(-1); }

  html { scroll-padding-block-end: calc(16px + env(safe-area-inset-bottom, 0px)); }
  #stickyCta { display: none; }
  .site-footer { padding-block-end: calc(24px + env(safe-area-inset-bottom, 0px)); }

  .header-right-actions :is(#btnMinimalMenu, #palBtn, .header-download) { display: none; }
  .header-right-actions :is(#themeText, #langText) { display: none; }
  .header-right-actions .header-lang-short { display: none; }
  .site-header .header-brand-wrap { flex: 0 1 auto; min-inline-size: 44px; }
  .site-header .brand-text-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .header-right-actions .header-tool { min-inline-size: 44px; min-block-size: 44px; padding-inline: 7px; }
  .hero-meta-strip,
  .hero-cta-group > .btn-cinematic-primary,
  .hero-cta-group > .btn-cinematic-secondary { display: none; }

  .hero-cta-group {
    margin-block-start: 3px;
    justify-content: start;
  }

  .hero-mobile-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-block-size: 44px;
    color: var(--chrome-outline);
    font-size: .84rem;
    font-weight: 750;
    text-underline-offset: .28em;
    touch-action: manipulation;
  }

  .hero-mobile-download:active { opacity: .76; }

  .mobile-header-actions { display: flex; align-items: center; gap: 2px; margin-inline-start: 3px; }
  .mobile-header-actions .mobile-explore { color: var(--chrome-text); background: var(--chrome-hover); }
  .mobile-header-actions .mobile-get { color: #fff; background: var(--chrome-action); }
  .mobile-header-actions .mobile-get[aria-current="location"] { box-shadow: inset 0 0 0 1px #fff8; }
  .mobile-header-actions .mobile-explore span { display: none; }

  .mobile-sheet-search:focus-visible,
  .mobile-download-options .menu-nav-item:focus-visible { outline: 2px solid var(--chrome-outline); outline-offset: 1px; }

  .cinematic-menu-dialog[data-mobile-sheet] {
    inset: auto env(safe-area-inset-right, 0px) 0 env(safe-area-inset-left, 0px);
    width: min(calc(100% - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px)), 520px);
    max-height: calc(100dvh - env(safe-area-inset-top, 0px) - 16px);
    margin: 0 auto;
    padding-block-end: env(safe-area-inset-bottom, 0px);
    border-radius: 22px 22px 0 0;
  }

  .mobile-sheet-grip {
    display: grid;
    place-items: center;
    min-block-size: 28px;
    touch-action: none;
  }

  .mobile-sheet-grip::before { content: ""; width: 37px; height: 4px; border-radius: 99px; background: var(--chrome-line); }
  [data-mobile-sheet] .menu-dialog-content { padding-block-start: 0; }
  [data-mobile-sheet] .menu-dialog-header { padding-block-end: 7px; margin-block-end: 7px; }
  [data-mobile-sheet] .menu-title { margin: 0; }

  .mobile-sheet-search {
    display: flex;
    align-items: center;
    gap: 9px;
    min-block-size: 44px;
    width: 100%;
    margin-block-end: 8px;
    padding: 0 10px;
    border: 1px solid var(--chrome-line);
    border-radius: 9px;
    color: var(--chrome-text);
    background: var(--chrome-hover);
    font: inherit;
    font-size: .85rem;
  }

  .mobile-sheet-search .icon { width: 16px; height: 16px; }
  .mobile-nav-ready [data-mobile-sheet] .menu-dialog-footer { display: none; }
  [data-mobile-sheet] .menu-nav-links-grid { gap: 6px; grid-auto-rows: 1fr; }
  [data-mobile-sheet] .menu-nav-links-grid .menu-nav-item {
    justify-content: flex-start;
    gap: 8px;
    min-block-size: 48px;
    padding: 6px 8px;
    border: 1px solid var(--chrome-line);
    font-size: .8rem;
  }

  [data-mobile-sheet] .menu-nav-links-grid .menu-item-mark {
    display: block;
    inline-size: 25px;
    block-size: 25px;
    padding: 5px;
    border-radius: 7px;
    background: var(--chrome-active);
    color: var(--chrome-outline);
  }

  [data-mobile-sheet] .menu-nav-links-grid .menu-nav-item > .icon:last-child { display: none; }
  [data-mobile-sheet] .menu-nav-links-grid .menu-nav-item:is([aria-current], :active) {
    border-color: var(--chrome-outline);
    background: var(--chrome-active);
  }
  [data-mobile-sheet] .menu-nav-links-grid .menu-nav-item:focus-visible { outline: 2px solid var(--chrome-outline); outline-offset: -1px; }
  [data-mobile-sheet] .menu-nav-item .icon:last-child { margin-inline-start: auto; }
  html[dir="rtl"] [data-mobile-sheet] .menu-nav-item .icon:last-child { transform: scaleX(-1); }

  .mobile-download-options { display: grid; gap: 6px; }
  .mobile-download-options .menu-nav-item { min-block-size: 58px; justify-content: flex-start; gap: 10px; text-align: start; font-family: inherit; border: 1px solid var(--chrome-line); }
  .mobile-download-options .menu-nav-item strong { display: block; }
  .mobile-download-options .menu-nav-item small { display: block; margin-block-start: 2px; color: var(--chrome-muted); font-size: .73rem; font-weight: 500; }
  .mobile-share-status { margin: 3px 0 0; color: var(--chrome-text); font-size: .8rem; }
  .mobile-share-status:empty { display: none; }

  .hero-cinematic { padding: calc(71px + env(safe-area-inset-top, 0px)) 0 10px; }
  .hero-cinematic-grid { gap: 7px; }
  .hero-typography-col { justify-items: start; text-align: start; }
  .hero-technical-kicker { margin-block-end: 9px; }
  .hero-display-title { font-size: clamp(2.45rem, 10.8vw, 4.15rem); }
  .hero-supporting-copy { max-width: 35ch; margin-block-start: 8px; font-size: clamp(.89rem, 3.8vw, 1rem); line-height: 1.46; }
  html[lang="fa"] .hero-supporting-copy { line-height: 1.65; }

  @media (prefers-reduced-motion: no-preference) {
    dialog[data-mobile-sheet][open]::backdrop { animation: mobile-sheet-shade 220ms ease-out both; }
  }

}

@keyframes mobile-preview-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@keyframes mobile-sheet-shade { from { opacity: 0; } to { opacity: 1; } }

@media (max-width: 820px) and (pointer: coarse) {
  :is(.header-tool, .story-disclosure > summary, .scenario-btn, .view-btn, .workflow-media, .m-share) {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  :is(.header-tool, .scenario-btn, .view-btn, .m-share):active { transform: scale(0.98); }
  .m-share { display: inline-flex; }
  .download-share { min-height: 44px; margin-block-start: 12px; font-size: 0.86rem; }

}

@media (max-width: 430px) {
  #main, .site-footer { --story-width: calc(100% - 28px); }
  .hero-cinematic-grid { width: calc(100% - 32px); }
  .hero-meta-strip { column-gap: 9px; }
  .hero-meta-strip > span[aria-hidden="true"] { display: none; }
}

@media (max-width: 374px) {
  .mobile-header-actions .mobile-get span { display: none; }
}

@media (min-width: 500px) and (max-width: 820px) {
  .mobile-header-actions .mobile-explore span { display: inline; }
  .header-right-actions .mobile-header-actions .header-tool { padding-inline: 12px; }
}

@media (min-width: 640px) and (max-width: 820px) {
  .header-right-actions :is(#themeText, #langText) { display: inline; }
}

@media (max-width: 380px) and (max-height: 670px) {
  .hero-cinematic { padding-block-start: calc(70px + env(safe-area-inset-top, 0px)); }
  .hero-cinematic-grid { gap: 4px; }
  .hero-display-title { font-size: clamp(2.12rem, 10vw, 2.45rem); }
  .hero-supporting-copy { font-size: .87rem; }
}

@media (min-width: 721px) and (max-width: 960px) {
  .hero-cinematic { padding: calc(83px + env(safe-area-inset-top, 0px)) 0 22px; }
  .hero-cinematic-grid {
    grid-template-columns: minmax(0, .83fr) minmax(0, 1.17fr);
    width: min(calc(100% - 52px), 880px);
    gap: 10px;
  }
  .hero-typography-col { justify-items: start; text-align: start; }
  .hero-display-title { font-size: clamp(2.7rem, 5.75vw, 3.6rem); }
  .hero-cta-group, .hero-meta-strip { justify-content: start; }
  .hero-demo { --hud-width: clamp(114px, 15.6vw, 140px); }
  .hero-art { width: 100%; }
  .hud-glass-panel { min-block-size: 74px; padding: 8px 9px; }
  .hud-glass-panel[data-demo-panel="1"] { inset-block-start: 10%; }
  .hud-glass-panel[data-demo-panel="2"] { inset-block-start: 4%; }
}

@media (prefers-reduced-motion: reduce) {
  .m-toast { transition: none; }
}

@media (max-width: 600px) {
  .diag-stream {
    --route-node: 24px;
    --route-padding: 8px;
  }

  .diag-stream .diag-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
    min-block-size: 53px;
  }

  .diag-stream .diag-meta { inline-size: auto; margin-inline-start: calc(var(--route-node) + 10px); font-size: .76rem; }
  .diag-stream .diag-verdict.is-warn { margin-block-start: 7px; }
  .diag-workbench .diag-verdict { padding: 11px; }
  .diag-workbench .workbench-icon { display: none; }

}