/* Phone-only overrides. Desktop styles remain in index.html. */
@media (max-width: 767px) {
  html #op-unified.v6 { --pad: 5%; }
  html #op-unified.v6 *, html #op-unified.v6 *::before, html #op-unified.v6 *::after { letter-spacing: 0; }
  html #op-unified.v6 :is(section, .hero, .pair, .grid, .roles, .visual-intro) > * { min-width: 0; }
  html #op-unified.v6 :is(h1, h2, h3, p, a, button, label) { overflow-wrap: anywhere; }
  html #op-unified.v6 h1, html #op-unified.v6 .hero h1 { font-size: 32px; line-height: 1.25; }
  html #op-unified.v6 h2, html #op-unified.v6 .visual-home h2 { font-size: 26px; line-height: 1.35; }
  html #op-unified.v6 h3 { font-size: 20px; line-height: 1.4; }
  html #op-unified.v6 p { font-size: 16px; line-height: 1.75; }
  html #op-unified.v6 :is(button, summary, .btn) { min-height: 44px; touch-action: manipulation; }
  html #op-unified.v6 summary::after, html #op-unified.v6 details[open] > summary::after { transform: none; }
  html #op-unified.v6 .hero-value-secondary span { white-space: normal; overflow-wrap: anywhere; }
  html #op-unified.v6 :is(input, textarea, select) { font-size: 16px; max-width: 100%; }
  html #op-unified.v6 :is(.cta, button.cta, .mail-action) { white-space: normal; max-width: 100%; font-size: 16px; line-height: 1.5; padding: 12px 20px; }
  html #op-unified.v6 :is(section, h1, [id]) { scroll-margin-top: 84px; }

  /* Keep the brand, language and menu together; the expanded menu scrolls independently. */
  html #op-unified.v6 header.top {
    display: grid; grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center; gap: 6px; min-height: 68px; padding: 10px 5%;
  }
  html #op-unified.v6 .top .brand { grid-column: 1; grid-row: 1; gap: 8px; min-width: 0; }
  html #op-unified.v6 .brand img { width: 28px; height: 28px; flex-shrink: 0; }
  html #op-unified.v6 .brand span { font-size: 16px; }
  html #op-unified.v6 .top .nav-lang { grid-column: 2; grid-row: 1; width: auto; min-width: 0; margin: 0; }
  html #op-unified.v6 .nav-lang .lang-toggle { padding: 8px 4px; gap: 4px; min-width: 48px; }
  html #op-unified.v6 .nav-lang .lang-panel button[aria-pressed="false"]:not(:hover) { color: #465363; }
  html #op-unified.v6 .top .menu-toggle {
    display: block; position: relative; grid-column: 3; grid-row: 1;
    margin: 0; padding: 0; width: 44px; height: 44px; min-width: 44px;
    border: 0; background: transparent; font-size: 0;
  }
  html #op-unified.v6 .top .menu-toggle::before,
  html #op-unified.v6 .top .menu-toggle::after {
    content: ''; position: absolute; left: 11px; top: 21px;
    width: 22px; height: 2px; border-radius: 1px; background: currentColor;
  }
  html #op-unified.v6 .top .menu-toggle::before { box-shadow: 0 -7px currentColor, 0 7px currentColor; }
  html #op-unified.v6 .top .menu-toggle::after { opacity: 0; }
  html #op-unified.v6 .top .menu-toggle[aria-expanded="true"]::before { box-shadow: none; transform: rotate(45deg); }
  html #op-unified.v6 .top .menu-toggle[aria-expanded="true"]::after { opacity: 1; transform: rotate(-45deg); }
  html #op-unified.v6 .top #op-global {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    width: 100%; margin: 0; padding: 12px 6% max(24px, env(safe-area-inset-bottom));
    height: calc(100vh - var(--home-header-height, 72px));
    height: calc(100dvh - var(--home-header-height, 72px)); max-height: none;
    overflow-y: auto; overscroll-behavior: contain; align-items: stretch;
    justify-content: flex-start; flex-wrap: nowrap; gap: 0;
    background: #fff; color: #17202a; border: 0; box-shadow: none;
  }
  html #op-unified.v6 .top #op-global.is-open { display: flex; flex-direction: column; }
  html #op-unified.v6 #op-global > .nav-dropdown,
  html #op-unified.v6 #op-global > button { width: 100%; flex: none; border-bottom: 1px solid #e7ebef; }
  html #op-unified.v6 #op-global button {
    color: #17202a; width: 100%; text-align: left; white-space: normal;
    font-size: 16px; line-height: 1.5; padding: 12px 16px;
    border-radius: 0; background: transparent; box-shadow: none; transform: none;
  }
  html #op-unified.v6 #op-global > button,
  html #op-unified.v6 #op-global .nav-dropdown > button {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; min-height: 64px; padding: 16px 0; font-size: 18px; font-weight: 500;
  }
  html #op-unified.v6 #op-global button:is(:hover, :focus-visible, [aria-expanded="true"], .section-active) {
    color: #005bc4; background: transparent; box-shadow: none;
  }
  html #op-unified.v6 #op-global button:focus-visible { outline-offset: -2px; }
  html #op-unified.v6 #op-global .chevron { flex: none; width: 12px; height: 12px; margin: 0 2px 0 0; opacity: 1; }
  html #op-unified.v6 #op-global .nav-panel {
    position: static; min-width: 0; width: 100%; gap: 0;
    margin: 0 0 16px; padding: 0 0 0 12px; background: transparent;
    border: 0; border-radius: 0; box-shadow: none; animation: none;
    backdrop-filter: none; -webkit-backdrop-filter: none;
  }
  html #op-unified.v6 #op-global .nav-panel button {
    min-height: 48px; padding: 12px 16px; color: #465363;
    font-size: 16px; font-weight: 400; border-left: 1px solid #e1e6ec;
  }
  html #op-unified.v6 #op-global .nav-panel button:is(:hover, :focus-visible) {
    color: #005bc4; background: #f3f7fc; box-shadow: none; transform: none;
  }
  html #op-unified.v6 #op-global button:is([aria-current="page"], [aria-pressed="true"]) {
    color: #005bc4; background: #edf4fd; box-shadow: inset 3px 0 #006ae8; font-weight: 600;
  }
  html[data-mobile-nav-lock] { overflow: hidden; }
  html[data-mobile-nav-lock] #op-unified.v6 header.top { position: fixed; top: 0; left: 0; width: 100%; }
  html #op-unified.v6:has(#op-global.is-open) > :is(#op-content, .nav, footer, .skip) { visibility: hidden; }
  html #op-unified.v6 header.top:has([aria-expanded="true"]) { transform: none; }

  /* Fill the current phone viewport while allowing short screens to fit the content. */
  html #op-unified.v6[data-view="home"] .visual-hero-main {
    min-height: 100vh; min-height: 100dvh; justify-content: center;
    padding: calc(var(--home-header-height, 68px) + 28px) 5% 32px;
  }
  html #op-unified.v6[data-view="home"] .visual-intro { width: 100%; max-width: none; gap: 22px; }
  html #op-unified.v6[data-view="home"] .visual-intro > h1 { gap: 8px; font-size: 36px; line-height: 1.18; }
  html #op-unified.v6[data-view="home"] .visual-intro > p { font-size: 16px; line-height: 1.75; }
  html #op-unified.v6 .visual-hero .eyebrow { font-size: 12px; line-height: 1.6; }
  html #op-unified.v6 .visual-actions { flex-wrap: wrap; gap: 12px; width: 100%; }
  /* Separate primary and secondary actions on the phone closing section. */
  html #op-unified.v6 .visual-close > div {
    display: flex; flex-direction: column; align-items: flex-start;
    gap: 12px; margin-top: 24px;
  }
  html #op-unified.v6 .visual-close > div .cta {
    min-height: 48px; max-width: 100%; margin: 0; padding: 12px 22px; white-space: normal;
  }
  html #op-unified.v6 .visual-close > div button:not(.cta),
  html #op-unified.v6 .visual-close > div button:not(.cta):hover {
    min-height: 44px; max-width: 100%; margin: 0; padding: 8px 0;
    font-size: 15px; line-height: 1.5; white-space: normal; text-align: left;
    color: #edf4ff; background: transparent; box-shadow: none; transform: none;
    text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px;
  }
  html #op-unified.v6[data-view="home"] .visual-intro > .hero-signature { gap: 12px; padding-top: 18px; font-size: 14px; }
  html #op-unified.v6 .hero-signature small { font-size: 12px; line-height: 1.6; }
  html #op-unified.v6 .visual-hero .hero-scroll { display: none; }

  html #op-unified.v6 :is(.hero, .pv-hero, .co-hero, .pair, .roles, .grid, .grid.two, .value-grid, .visual-case-grid, .practice-grid, .visual-loop, .sadaa-stage, .found-head, .co-culture) { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  html #op-unified.v6 :is(section, .visual-home section) { padding: 36px 5%; }
  html #op-unified.v6 :is(.hero, .pv-hero, .co-hero) { padding: 28px 5% 36px; }
  html #op-unified.v6 .co-culture { flex-direction: column; align-items: flex-start; }
  html #op-unified.v6 .visual-heading { flex-direction: column; align-items: flex-start; gap: 10px; }
  /* Home customer stories: full-width media. */
  html #op-unified.v6 .visual-cases .visual-case-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  html #op-unified.v6 .visual-cases .visual-case-grid > article { min-width: 0; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
  html #op-unified.v6 .visual-cases .visual-case-grid > article:last-child { padding-bottom: 0; border-bottom: 0; }
  html #op-unified.v6 .visual-cases .case-visual {
    width: 100%; max-width: none; height: auto; min-height: 0; aspect-ratio: 16 / 10;
    padding: 20px; overflow: hidden;
  }
  html #op-unified.v6 .visual-cases .case-visual strong { font-size: 36px; line-height: 1.15; }
  html #op-unified.v6 .visual-cases .case-visual > span,
  html #op-unified.v6 .visual-cases .case-visual small { font-size: 12px; }
  html #op-unified.v6 .visual-cases .visual-case-copy { padding: 16px 0 0; }
  html #op-unified.v6 .visual-cases .visual-case-copy h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.4; }
  html #op-unified.v6 .visual-cases .visual-case-copy p { margin: 0 0 4px; font-size: 15px; line-height: 1.7; }
  html #op-unified.v6 .visual-cases .visual-case-copy button { min-height: 44px; margin: 0; padding: 10px 0; font-size: 14px; line-height: 1.5; }
  html #op-unified.v6 .visual-product-grid.product-stage { flex-direction: column; height: auto; gap: 16px; }
  html #op-unified.v6 .product-stage > article, html #op-unified.v6 .product-stage > article.on { min-height: 300px; flex: none; }
  html #op-unified.v6 .product-stage .visual-product-copy { padding: 112px 20px 20px; }
  html #op-unified.v6 .product-stage .visual-product-copy h3, html #op-unified.v6 .product-stage > article.on .visual-product-copy h3 { font-size: 30px; }
  html #op-unified.v6 .product-stage > article:not(.on) .visual-product-copy h3 { font-size: 30px; }
  html #op-unified.v6 .product-stage .visual-product-copy p, html #op-unified.v6 .product-stage .visual-product-copy button { opacity: 1; transform: none; max-height: none; visibility: visible; }
  html #op-unified.v6 .visual-loop-steps.loop-ring { transform: none; margin: 0 auto; width: 100%; max-width: 390px; }
  html #op-unified.v6 .loop-ring #visual-loop-copy { gap: 8px; }
  html #op-unified.v6 .loop-ring #visual-loop-copy b { font-size: 24px; }
  html #op-unified.v6 .loop-ring #visual-loop-copy span { font-size: 13px; }
  html #op-unified.v6 .loop-ring button[data-visual-step] strong { font-size: 24px; }
  html #op-unified.v6 .loop-ring button[data-visual-step] span { font-size: 12px; }

  /* All phone pages use the main menu instead of a second navigation row. */
  html #op-unified.v6 > .nav { display: none; }
  html #op-unified.v6 #op-content > .return-row { display: none; }
  html #op-unified.v6 #op-content > .return-row + .hero { padding-top: 28px; }

  /* All five stages remain visible on mobile in two centered rows. */
  html #op-unified.v6 .sl-road-track {
    display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); align-items: start;
    width: 100%; height: auto; min-height: 0; gap: 16px 8px; padding: 4px 0 12px; margin: 24px 0 20px;
    overflow: visible; transform: none;
  }
  html #op-unified.v6 .sl-road-track::before,
  html #op-unified.v6 .sl-road-track .sl-road-ink { display: none; }
  html #op-unified.v6 .sl-road-track button[data-lifecycle-select] {
    position: relative; inset: auto; transform: none; grid-column: span 2; width: 100%; min-width: 0;
    min-height: 0; padding: 0; gap: 8px; align-items: center; text-align: center;
    background: transparent; box-shadow: none;
  }
  html #op-unified.v6 .sl-road-track button[data-lifecycle-select="3"] { grid-column: 2 / span 2; }
  html #op-unified.v6 .sl-road-track button[data-lifecycle-select="4"] { grid-column: 4 / span 2; }
  html #op-unified.v6 .sl-road-track button .sl-stop,
  html #op-unified.v6 .sl-road-track button:hover .sl-stop {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    flex: none; width: min(96px, 100%); height: auto; aspect-ratio: 1; padding: 8px 4px; border-radius: 50%; gap: 5px;
    background: var(--surface); border: 1px solid var(--line); transform: none; box-shadow: none;
  }
  html #op-unified.v6 .sl-road-track .sl-stop i { position: static; margin: 0; font-size: 11px; color: var(--mut); }
  html #op-unified.v6 .sl-road-track button .sl-stop strong {
    font-size: 13px; line-height: 1.3; color: var(--ink); white-space: normal; text-align: center;
  }
  html[lang="en"] #op-unified.v6 .sl-road-track button .sl-stop strong { font-size: 11px; word-break: normal; overflow-wrap: normal; }
  html #op-unified.v6 .sl-road-track button[aria-pressed="true"] .sl-stop { background: var(--teal); border-color: var(--teal); }
  html #op-unified.v6 .sl-road-track button[aria-pressed="true"] .sl-stop :is(i, strong) { color: #fff; }
  html #op-unified.v6 .sl-road-track button > small {
    display: block; width: 100%; min-height: 36px; font-size: 12px; line-height: 1.5;
    white-space: normal; text-align: center; color: var(--mut);
  }

  /* Horizontal navigation preserves readable labels and touch target sizes. */
  html #op-unified.v6 :is(.mind-row, .sl-stage-strip, .sadaa-stage #op-steps) {
    display: flex; flex-wrap: nowrap; max-width: 100%; min-width: 0;
    gap: 4px; overflow-x: auto; overscroll-behavior-x: contain;
    scroll-snap-type: x proximity; scroll-padding-inline: 8px;
    scrollbar-width: thin; padding-bottom: 6px;
  }
  html #op-unified.v6 :is(.mind-row, .sl-stage-strip, .sadaa-stage #op-steps) button,
  html #op-unified.v6 .mind-row .mind-tab[aria-pressed="true"],
  html #op-unified.v6 .sl-stage-strip button[aria-current="page"] {
    flex: 0 0 auto; width: auto; min-height: 48px; margin: 0;
    padding: 12px 14px; font-size: 15px; line-height: 1.4;
    white-space: nowrap; scroll-snap-align: start; transform: none;
  }
  html #op-unified.v6 .mind-row { align-items: stretch; margin-top: 20px; }
  html #op-unified.v6 #op-mind-detail { padding: 24px 18px; }
  html #op-unified.v6 .sl-stage-strip button { gap: 4px; }
  html #op-unified.v6 .sl-stage-strip button small { font-size: 12px; }
  html #op-unified.v6 .visual-service-links .sb {
    display: block; aspect-ratio: 4 / 3; min-height: 0; height: auto;
  }
  html #op-unified.v6 .visual-service-links .sb-photo {
    position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto;
  }
  html #op-unified.v6 .visual-service-links .sb-main {
    position: absolute; inset: auto 0 0; padding: 32px 0 12px; width: 100%;
    background: linear-gradient(transparent, rgba(246,245,242,.94) 45%, #f6f5f2);
    animation: none; transform: none;
  }
  html #op-unified.v6 .visual-service-links .sb-rail {
    display: flex; flex-wrap: nowrap !important; overflow-x: auto; scrollbar-width: none;
    width: 100%; margin: 0; padding: 0 16px; gap: 24px; transform: none; align-self: stretch;
    align-items: center; overscroll-behavior-x: contain; scroll-padding-inline: 16px;
  }
  html #op-unified.v6 .visual-service-links .sb-rail button,
  html #op-unified.v6 .visual-service-links .sb-rail button:hover,
  html #op-unified.v6 .visual-service-links .sb-rail button[aria-pressed="true"] {
    flex: 0 0 auto; width: auto; min-width: 0; min-height: 44px; padding: 8px 0;
    justify-content: center; font-size: 15px; line-height: 1.4; white-space: nowrap;
    color: #596574; transition: color .2s; text-shadow: none;
  }
  html #op-unified.v6 .visual-service-links .sb-rail::-webkit-scrollbar { display: none; }
  html #op-unified.v6 .visual-service-links .sb-rail button[aria-pressed="true"] { color: #006ae8; }
  html #op-unified.v6 .visual-service-links .sb-rail button i { display: none; }
  html #op-unified.v6 .visual-service-links .sb-rail button::after {
    left: calc(50% - 12px); right: auto; top: auto; bottom: 0; width: 24px; animation: none; transform: scaleX(0);
  }
  html #op-unified.v6 .visual-service-links .sb-rail button[aria-pressed="true"]::after { animation: none; transform: scaleX(1); }
  /* Keep the five short Chinese stage labels on one row. */
  html.script-cjk #op-unified.v6 .visual-service-links .sb-rail {
    display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px; padding: 0 4px; overflow-x: visible;
  }
  html.script-cjk #op-unified.v6 .visual-service-links .sb-rail button,
  html.script-cjk #op-unified.v6 .visual-service-links .sb-rail button:hover,
  html.script-cjk #op-unified.v6 .visual-service-links .sb-rail button[aria-pressed="true"] {
    width: 100%; padding: 8px 0; font-size: 13px; white-space: nowrap;
  }
  html.script-cjk #op-unified.v6 .visual-service-links .sb-rail button i { display: none; }
  html #op-unified.v6 .os-matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  html #op-unified.v6 .os-mod { padding: 16px 10px; }
  html #op-unified.v6 .os-mod strong { font-size: 17px; line-height: 1.4; }
  html #op-unified.v6 .os-mod > span { font-size: 14px; display: block; overflow: visible; -webkit-line-clamp: unset; }
  html #op-unified.v6 .os-backdrop { padding: 12px; }
  html #op-unified.v6 .os-dialog { width: 100%; max-height: calc(100dvh - 24px); padding: 56px 18px 24px; overscroll-behavior: contain; }
  html #op-unified.v6 .dialog { max-height: calc(100dvh - 32px); overflow-y: auto; }
  html #op-unified.v6 .contact-layout, html #op-unified.v6 .form-grid { grid-template-columns: minmax(0, 1fr); }
  html #op-unified.v6 #contact-form { padding: 22px 18px; }
  html #op-unified.v6 .contact-email { font-size: 20px; }
  html #op-unified.v6 .ft-top { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  html #op-unified.v6 .ft-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
  html #op-unified.v6 .ft-cols span { white-space: normal; }
  html #op-unified.v6 .ft-cols button, html #op-unified.v6 .ft-lang button { min-height: 44px; }
  html #op-unified.v6 .ft-bottom { flex-direction: column; align-items: flex-start; }
  html #op-unified.v6 .rv { opacity: 1 !important; transform: none !important; filter: none !important; }
}

@media (max-width: 359px) {
  html.script-cjk #op-unified.v6 .visual-service-links .sb-rail button,
  html.script-cjk #op-unified.v6 .visual-service-links .sb-rail button:hover,
  html.script-cjk #op-unified.v6 .visual-service-links .sb-rail button[aria-pressed="true"] { font-size: 12px; }
  html #op-unified.v6 .brand span { font-size: 14px; }
  html #op-unified.v6 .brand img { width: 24px; height: 24px; }
  html #op-unified.v6[data-view="home"] .visual-intro > h1 { font-size: 32px; }
  html #op-unified.v6 .os-matrix { grid-template-columns: minmax(0, 1fr); }
}

/* Compact sitemap for phones; desktop footer styles are untouched. */
@media (max-width: 767px) {
  html #op-unified.v6 footer.ft { padding: 36px 5% 24px; }
  html #op-unified.v6 .ft-top { gap: 26px; }
  html #op-unified.v6 .ft-brand p { font-size: 14px; line-height: 1.6; margin-bottom: 12px; }
  html #op-unified.v6 .ft-brand a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
  html #op-unified.v6 .ft-cols { grid-template-columns: minmax(0, 1fr); gap: 0; }
  html #op-unified.v6 .ft-cols > div { width: 100%; gap: 0; border-top: 1px solid rgba(255,255,255,.16); }
  html #op-unified.v6 .ft-cols > div:last-child { border-bottom: 1px solid rgba(255,255,255,.16); }
  html #op-unified.v6 .ft-cols .ft-group-toggle,
  html #op-unified.v6 .ft-cols .ft-group-toggle:hover {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    width: 100%; min-height: 56px; padding: 15px 0; color: #fff; background: transparent;
    text-align: left; border: 0; border-radius: 0; box-shadow: none; transform: none;
  }
  html #op-unified.v6 .ft-group-toggle > span {
    margin: 0; color: inherit; font-family: inherit; font-size: 15px; line-height: 1.5; white-space: normal;
  }
  html #op-unified.v6 .ft-group-toggle::after {
    content: ''; flex: 0 0 8px; width: 8px; height: 8px; margin: -4px 4px 0 0;
    border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg); transition: transform .15s;
  }
  html #op-unified.v6 .ft-group-toggle[aria-expanded="true"]::after { transform: rotate(225deg); margin-top: 4px; }
  html #op-unified.v6 .ft-group-links { display: flex; flex-direction: column; width: 100%; padding: 0 0 14px; }
  html #op-unified.v6 .ft-group-links[hidden] { display: none; }
  html #op-unified.v6 .ft-group-links button {
    width: 100%; min-height: 44px; padding: 10px 12px; font-size: 14px; line-height: 1.5; color: #c6ced8;
  }
  html #op-unified.v6 .ft-cols button:focus-visible,
  html #op-unified.v6 .ft-lang button:focus-visible { outline: 2px solid #6fb6ff; outline-offset: 2px; }
  html #op-unified.v6 .ft-bottom { margin-top: 20px; padding-top: 0; border-top: 0; gap: 8px; font-size: 12px; line-height: 1.6; color: #a7b1bf; }
  html #op-unified.v6 .ft-lang { display: flex; flex-wrap: wrap; gap: 20px; margin: 0 0 8px; }
  html #op-unified.v6 .ft-lang button { min-height: 44px; padding: 10px 0; color: #a7b1bf; font-size: 13px; }
  html #op-unified.v6 .ft-lang button[aria-pressed="true"] { color: #fff; text-decoration: underline; text-underline-offset: 6px; }
}

/* Home section headings keep the browse action beside the section label on phones. */
@media (max-width: 767px) {
  html #op-unified.v6 :is(.visual-products, .visual-solutions, .visual-cases) .visual-heading {
    display: grid; grid-template-columns: minmax(0, 1fr) auto;
    align-items: center; gap: 4px 16px; margin-bottom: 24px;
  }
  html #op-unified.v6 :is(.visual-products, .visual-solutions, .visual-cases) .visual-heading > div { display: contents; }
  html #op-unified.v6 :is(.visual-products, .visual-solutions, .visual-cases) .visual-heading .visual-kicker {
    grid-column: 1; grid-row: 1; margin: 0; font-size: 11px; line-height: 1.5;
  }
  html #op-unified.v6 :is(.visual-products, .visual-solutions, .visual-cases) .visual-heading h2 {
    grid-column: 1 / -1; grid-row: 2; margin: 0; font-size: 24px; line-height: 1.35;
  }
  html #op-unified.v6 :is(.visual-products, .visual-solutions, .visual-cases) .visual-heading > button {
    grid-column: 2; grid-row: 1; justify-self: end; min-height: 44px;
    margin: 0; padding: 10px 0; font-size: 13px; line-height: 1.5; white-space: nowrap;
  }
}

/* Mind: readable, user-controlled line tabs on phones. */
@media (max-width: 767px) {
  html #op-unified.v6 :is(.mind-row, .tabs:has(> [data-mind])) {
    display: flex; flex-wrap: nowrap; gap: 0; align-items: stretch;
    margin: 20px 0 0; padding: 0; max-width: 100%; min-width: 0;
    border: 0; border-bottom: 1px solid var(--line); background: transparent;
    overflow-x: auto; scrollbar-width: none; scroll-snap-type: x proximity;
    overscroll-behavior-x: contain; scroll-padding-inline: 0;
  }
  html #op-unified.v6 :is(.mind-row, .tabs:has(> [data-mind]))::-webkit-scrollbar { display: none; }
  html #op-unified.v6 :is(.mind-row, .tabs) > [data-mind],
  html #op-unified.v6 :is(.mind-row, .tabs) > [data-mind]:is(:hover, [aria-pressed="true"]) {
    flex: 0 0 auto; display: flex; justify-content: center; align-items: center;
    min-height: 48px; width: auto; margin: 0; padding: 12px 16px;
    border: 0; border-bottom: 3px solid transparent; border-radius: 0;
    background: transparent; box-shadow: none; transform: none;
    font-size: 15px; line-height: 1.4; font-weight: 400; color: #526175;
    white-space: nowrap; scroll-snap-align: start;
  }
  html #op-unified.v6 :is(.mind-row, .tabs) > [data-mind]:first-child { padding-left: 0; }
  html #op-unified.v6 :is(.mind-row, .tabs) > [data-mind][aria-pressed="true"] {
    color: #006ae8; border-bottom-color: #006ae8; font-weight: 600;
  }
  html #op-unified.v6 .mind-row .mind-tab::before,
  html #op-unified.v6 .mind-row .mind-tab::after { display: none; animation: none; }
  html #op-unified.v6 [data-mind]:focus-visible { outline: 2px solid #006ae8; outline-offset: -3px; }
  html #op-unified.v6 .mind-row + #op-mind-detail,
  html #op-unified.v6 #op-mind-detail {
    padding: 24px 0 0; margin: 0; border: 0; border-radius: 0;
    background: transparent; box-shadow: none; min-height: 0; animation: none;
  }
  html #op-unified.v6 #op-mind-detail h2 { margin: 0 0 12px; font-size: 24px; line-height: 1.4; }
  html #op-unified.v6 #op-mind-detail p { margin: 12px 0; font-size: 15px; line-height: 1.75; }
  html #op-unified.v6 #op-mind-detail > p { margin: 0 0 24px; }
  html #op-unified.v6 #op-mind-detail details { margin: 0; padding: 0; border-top: 1px solid var(--line); }
  html #op-unified.v6 #op-mind-detail details:last-of-type { border-bottom: 1px solid var(--line); }
  html #op-unified.v6 #op-mind-detail summary {
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    min-height: 56px; padding: 14px 0; font-size: 15px; line-height: 1.5;
  }
  html #op-unified.v6 #op-mind-detail summary::after { flex: 0 0 16px; text-align: center; }
  html #op-unified.v6 #op-mind-detail details[open] { padding-bottom: 16px; }
  html #op-unified.v6 #op-mind-detail details[open] > summary { padding-bottom: 12px; }
  html #op-unified.v6 #op-mind-detail .pair { gap: 16px; margin: 8px 0 16px; }
  html #op-unified.v6 #op-mind-detail .listitem { padding: 0; margin: 0 0 16px; }
  html #op-unified.v6 #op-mind-detail .listitem h3 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
  html #op-unified.v6 #op-mind-detail .listitem p { margin: 0; }
  html #op-unified.v6 #op-mind-detail .small { font-size: 12px; line-height: 1.65; color: #697586; }
  html #op-unified.v6 #op-mind-detail > button { min-height: 44px; margin: 16px 0 0; padding: 10px 0; font-size: 14px; }
}

/* SADAA uses in-place disclosures only at phone widths. */
@media (max-width: 767px) {
  html #op-unified.v6 .sadaa-stage.phone-sadaa { display: block; margin-top: 24px; overflow: visible; }
  html #op-unified.v6 .phone-sadaa #op-steps {
    display: block; width: 100%; margin: 0; padding: 0; overflow: visible;
    border-top: 1px solid #d8dfe7; border-bottom: 0;
  }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step],
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step]:hover,
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step][aria-pressed="true"] {
    display: grid; grid-template-columns: 32px minmax(0, 1fr) 16px;
    grid-template-areas: 'letter en chevron' 'letter verb chevron';
    align-items: center; gap: 2px 12px; width: 100%; min-height: 72px;
    margin: 0; padding: 12px; border: 0; border-bottom: 1px solid #d8dfe7;
    border-radius: 0; text-align: left; white-space: normal; color: #17202a;
    background: transparent; box-shadow: none; transform: none;
  }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step][aria-expanded="true"] { background: var(--night); color: #fff; }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step][aria-expanded="true"] .sadaa-letter { color: #6fb6ff; }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step][aria-expanded="true"] .sadaa-en { color: #9fb3d1; }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step] .sadaa-letter { font-size: 26px; color: #006ae8; }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step] .sadaa-en { display: block; font-size: 11px; line-height: 1.3; color: #617082; }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step] .sadaa-verb { font-size: 17px; line-height: 1.4; color: inherit; }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step]::before { content: none; }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step]::after {
    content: ''; grid-area: chevron; position: static; justify-self: center;
    width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
    background: transparent; animation: none; transform: rotate(45deg);
  }
  html #op-unified.v6 .phone-sadaa #op-steps > button[data-step][aria-expanded="true"]::after { transform: rotate(225deg); }
  html #op-unified.v6 .phone-sadaa #op-step-detail {
    display: block; padding: 20px 12px 24px; min-height: 0; margin: 0;
    background: transparent; border-bottom: 1px solid #d8dfe7; animation: none;
  }
  html #op-unified.v6 .phone-sadaa #op-step-detail > :is(.sadaa-mark, h3) { display: none; }
  html #op-unified.v6 .phone-sadaa #op-step-detail > .eyebrow { font-size: 12px; margin: 0 0 8px; }
  html #op-unified.v6 .phone-sadaa #op-step-detail > .sadaa-lede { font-size: 16px; line-height: 1.7; margin: 0 0 20px; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .roles { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; margin: 0; padding: 0; border-top: 1px solid #d8dfe7; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .roles > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 10px; align-items: center; padding: 8px 0 12px; border-bottom: 1px solid #e4e9ef; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .roles b { font-size: 16px; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .roles p { grid-column: 1 / -1; grid-row: 2; margin: 0; font-size: 14px; line-height: 1.65; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .roles button {
    grid-column: 2; grid-row: 1; display: inline-flex; width: auto; min-height: 44px;
    margin: 0; padding: 8px 0; border: 0; background: transparent; color: #005bc4;
    font-size: 13px; line-height: 1.5; white-space: normal; text-align: left; box-shadow: none;
  }
  html #op-unified.v6 .phone-sadaa #op-step-detail .roles button::after { content: none; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .pair { grid-template-columns: minmax(0, 1fr); margin: 20px 0 0; gap: 16px; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .listitem { margin: 0; padding: 0; border: 0; }
  html #op-unified.v6 .phone-sadaa #op-step-detail > .listitem { margin-top: 16px; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .listitem b { font-size: 13px; }
  html #op-unified.v6 .phone-sadaa #op-step-detail .listitem p { margin: 6px 0 0; font-size: 15px; line-height: 1.7; }
}

/* Keep the operating foundation readable without desktop hover on phones. */
@media (max-width: 767px) {
  html #op-unified.v6 .found .found-head { position: static; margin-bottom: 24px; }
  html #op-unified.v6 .found .found-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; border: 0; }
  html #op-unified.v6 .found .found-cell {
    display: grid; grid-template-columns: 28px minmax(0, 1fr); align-content: start;
    gap: 0 12px; min-height: 0; padding: 20px; border: 1px solid #dce2e9;
    border-radius: 4px; background: #fff;
  }
  html #op-unified.v6 .found .found-cell::after { display: none; }
  html #op-unified.v6 .found .found-idx { grid-column: 1; align-self: center; color: #006ae8; font-size: 12px; letter-spacing: 0; }
  html #op-unified.v6 .found .found-key { grid-column: 2; margin: 0; color: #17202a; font-size: 24px; line-height: 1.4; letter-spacing: 0; }
  html #op-unified.v6 .found .found-cell h3 { grid-column: 1 / -1; margin: 16px 0 6px; color: #17202a; font-size: 17px; line-height: 1.5; }
  html #op-unified.v6 .found .found-cell p { grid-column: 1 / -1; margin: 0; color: #5e6979; font-size: 14px; line-height: 1.8; }
}

/* Phone module details fill the viewport and retain an accessible close control. */
@media (max-width: 767px) {
  html #op-unified.v6 .os-backdrop { padding: 0; z-index: 120; }
  html #op-unified.v6 .os-dialog {
    width: 100%; height: 100dvh; max-height: 100dvh; margin: 0; padding: 0;
    overflow: hidden; border-radius: 0; transform: translateY(24px); box-shadow: none;
  }
  html #op-unified.v6 .os-backdrop.open .os-dialog { transform: none; }
  html #op-unified.v6 .os-close, html #op-unified.v6 .os-close:hover {
    position: absolute; z-index: 3; top: calc(10px + env(safe-area-inset-top));
    right: max(12px, env(safe-area-inset-right)); width: 44px; height: 44px;
    background: var(--paper); border-radius: 0; font-size: 30px;
  }
  html #op-unified.v6 .os-dialog-body {
    display: flex; flex-direction: column; gap: 0; height: 100%; overflow-y: auto;
    overscroll-behavior: contain; padding: 0 20px calc(28px + env(safe-area-inset-bottom));
    scroll-padding-top: calc(80px + env(safe-area-inset-top));
  }
  html #op-unified.v6 .os-dialog-body > * { flex-shrink: 0; min-width: 0; max-width: 100%; }
  html #op-unified.v6 .os-dialog-body > .eyebrow {
    order: 0; position: sticky; top: 0; z-index: 2; align-self: stretch;
    margin: 0 -20px 24px; max-width: none; min-height: calc(64px + env(safe-area-inset-top));
    padding: calc(20px + env(safe-area-inset-top)) 68px 18px 20px;
    background: var(--paper); border-bottom: 1px solid #dce2e9;
    color: #526173; font-size: 12px; line-height: 1.8; letter-spacing: 0;
  }
  html #op-unified.v6 .os-dialog-body > h2 { order: 1; margin: 0 0 12px; font-size: 26px; line-height: 1.4; }
  html #op-unified.v6 .os-dialog-body > p { order: 2; margin: 0 0 20px; font-size: 16px; line-height: 1.8; }
  html #op-unified.v6 .os-dialog-body > .os-shot.large { order: 3; width: 100%; aspect-ratio: 16 / 10; margin: 0 0 20px; box-shadow: none; }
  html #op-unified.v6 .os-dialog-body > .tags { order: 4; gap: 8px; margin: 0 0 24px; }
  html #op-unified.v6 .os-dialog-body > .tags span { white-space: normal; font-size: 13px; }
  html #op-unified.v6 .os-dialog-body > details { order: 5; width: 100%; margin: 0; padding: 0; }
  html #op-unified.v6 .os-dialog-body summary { min-height: 56px; padding: 16px 0; font-size: 16px; line-height: 1.5; }
  html #op-unified.v6 .os-dialog-body details .listitem { margin: 0 0 16px; padding: 0; border: 0; }
  html #op-unified.v6 .os-dialog-body details h3 { margin: 0 0 6px; font-size: 16px; }
  html #op-unified.v6 .os-dialog-body details p { font-size: 14px; line-height: 1.8; }
  html #op-unified.v6 .os-dialog-body details button { min-height: 44px; margin-bottom: 12px; }
}

/* Mind phone layout reuses the original SVG nodes, links and motion. */
@media (max-width: 767px) {
  html #op-unified.v6[data-view="mind"] .logic-illustration > svg:not(.mind-logic-mobile) { display: none; }
  html #op-unified.v6[data-view="mind"] .logic-illustration > .mind-logic-mobile { display: block; width: 100%; height: auto; overflow: visible; }
  html #op-unified.v6 .mind-logic-mobile .lg-title { font-size: 23px; }
  html.script-latin #op-unified.v6 .mind-logic-mobile .lg-title { font-size: 20px; }
  html.script-latin #op-unified.v6 .mind-logic-mobile .lg-node:not(.dark) .lg-sub { font-size: 11px; }
  html #op-unified.v6 .mind-logic-mobile .lg-sub { font-size: 14px; letter-spacing: 0; }
  html #op-unified.v6 .mind-logic-mobile .lg-label { font-size: 14px; letter-spacing: 0; }
  html.script-latin #op-unified.v6 .mind-logic-mobile .lg-label { font-size: 12px; }
  html #op-unified.v6 .mind-logic-mobile .lg-idx { font-size: 11px; }
}

/* Compact agent selection and continuous reading on phones. */
@media (max-width: 767px) {
  html #op-unified.v6 .fleet-stats { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 12px; margin: 20px 0; }
  html #op-unified.v6 .fleet-stats > span { display: flex; flex-direction: column; gap: 8px; font-size: 12px; line-height: 1.5; }
  html #op-unified.v6 .fleet-stats b { font-size: 28px; margin: 0; }
  html #op-unified.v6 .fleet { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0 0 28px; padding: 0; overflow: visible; }
  html #op-unified.v6 .fleet .fleet-card, html #op-unified.v6 .fleet .fleet-card:hover, html #op-unified.v6 .fleet .fleet-card[aria-pressed=true] {
    display: flex; width: 100%; min-width: 0; padding: 0; margin: 0; border: 1px solid #dce2e9;
    border-radius: 4px; background: #fff; transform: none; box-shadow: none; overflow: hidden;
  }
  html #op-unified.v6 .fleet .fleet-card[aria-pressed=true] { border-color: #006ae8; background: #edf4fd; box-shadow: inset 0 -2px #006ae8; }
  html #op-unified.v6 .fleet .fleet-card::before, html #op-unified.v6 .fleet .fleet-card::after { display: none; }
  html #op-unified.v6 .fleet .fleet-card img { width: 100%; aspect-ratio: 4 / 3; margin: 0; filter: none; opacity: 1; box-shadow: none; }
  html #op-unified.v6 .fleet .fleet-card strong { display: flex; align-items: center; justify-content: center; flex: 1; min-height: 44px; margin: 0; padding: 8px 3px; color: #273340; font-size: 13px; line-height: 1.5; white-space: normal; text-align: center; }
  html #op-unified.v6 .fleet .fleet-card[aria-pressed=true] strong { color: #005bc4; }
  html #op-unified.v6 .fleet .fleet-card small, html #op-unified.v6 .fleet .fleet-card > span { display: none; }
  html #op-unified.v6 #op-agent-detail { display: flex; flex-direction: column; gap: 0; padding-top: 24px; border-top: 1px solid #dce2e9; animation: none; }
  html #op-unified.v6 #op-agent-detail > * { min-width: 0; max-width: 100%; }
  html #op-unified.v6 #op-agent-detail > .eyebrow { order: 0; margin: 0 0 10px; }
  html #op-unified.v6 #op-agent-detail > h2 { order: 1; margin: 0 0 12px; font-size: 26px; line-height: 1.4; }
  html #op-unified.v6 #op-agent-detail > p { order: 2; margin: 0 0 20px; font-size: 16px; line-height: 1.8; }
  html #op-unified.v6 #op-agent-detail > .v6-photo.detail { order: 3; position: relative; inset: auto; width: 100%; aspect-ratio: 4 / 3; margin: 0 0 20px; }
  html #op-unified.v6 #op-agent-detail > h3 { order: 4; margin: 0 0 14px; font-size: 17px; line-height: 1.6; }
  html #op-unified.v6 #op-agent-detail > .tags { order: 5; margin: 0 0 24px; gap: 8px; }
  html #op-unified.v6 #op-agent-detail > details { order: 6; width: 100%; margin: 0; padding: 0; }
  html #op-unified.v6 #op-agent-detail summary { min-height: 56px; padding: 16px 0; font-size: 16px; line-height: 1.5; }
  html #op-unified.v6 #op-agent-detail .pair { grid-template-columns: 1fr; gap: 16px; }
  html #op-unified.v6 #op-agent-detail .listitem { margin: 0 0 16px; padding: 0; border: 0; }
  html #op-unified.v6 #op-agent-detail details p { font-size: 14px; line-height: 1.8; }
  html #op-unified.v6 #op-agent-detail details button { min-height: 44px; white-space: normal; }
  html #op-unified.v6[data-view="agents"] section:has(> #op-agent-detail) { padding-bottom: 0; }
  html #op-unified.v6[data-view="agents"] .asset-note { margin-top: 0; }
}

/* OS and physical agents retain the original diagrams on desktop. */
@media (max-width: 767px) {
  html #op-unified.v6:is([data-view="platform"], [data-view="os"], [data-view="agents"]) .logic-illustration > svg:not(.logic-mobile) { display: none; }
  html #op-unified.v6 .logic-illustration > .logic-mobile { display: block; width: 100%; height: auto; overflow: visible; }
  html #op-unified.v6 .logic-mobile .lg-title { font-size: 23px; }
  html.script-latin #op-unified.v6 .logic-mobile .lg-title { font-size: 20px; }
  html #op-unified.v6 .logic-mobile .lg-sub { font-size: 14px; letter-spacing: 0; }
  html.script-latin #op-unified.v6 .logic-mobile .lg-sub { font-size: 12px; }
  html #op-unified.v6 .logic-mobile .lg-label { font-size: 14px; letter-spacing: 0; }
  html.script-latin #op-unified.v6 .logic-mobile .lg-label { font-size: 12px; }
  html #op-unified.v6 .logic-mobile .lg-idx { font-size: 11px; }
  html #op-unified.v6 :is(.logic-mobile, .mind-logic-mobile) .lg-pill { display: block; fill: var(--paper); stroke: none; }
  html #op-unified.v6 .logic-mobile .lg-ground-label { font-size: 14px; letter-spacing: 0; }
  html.script-latin #op-unified.v6 .logic-mobile .lg-ground-label { font-size: 12px; }
  html #op-unified.v6 .platform-logic-mobile .lg-title { font-size: 25px; }
  html #op-unified.v6 .platform-logic-mobile .lg-sub { font-size: 17px; }
  html #op-unified.v6 .platform-logic-mobile .lg-label { font-size: 18px; }
  html #op-unified.v6 .platform-logic-mobile .lg-ground-label { font-size: 17px; }
  html.script-latin #op-unified.v6 .platform-logic-mobile .lg-sub { font-size: 13px; }
  html.script-latin #op-unified.v6 .platform-logic-mobile .lg-label { font-size: 15px; }
}

/* Keep each mobile flow explanation directly below its selected stage. */
@media (max-width: 767px) {
  html #op-unified.v6 .phone-reliability .sadaa-flow { display: block; margin: 24px 0 0; padding: 0; border: 0; border-top: 1px solid var(--line); overflow: visible; }
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) > :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step]),
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) > :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step]):hover,
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) > :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step])[aria-pressed=true] {
    display: grid; grid-template-columns: 28px minmax(0, 1fr) 16px; grid-template-areas: 'letter en arrow' 'letter verb arrow';
    gap: 3px 12px; align-items: center; min-height: 76px; width: 100%; margin: 0; padding: 14px 0;
    border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent;
    color: var(--ink); transform: none; box-shadow: none; white-space: normal; text-align: left;
  }
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) > :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step])[aria-expanded=true] { color: var(--teal); border-bottom-color: transparent; }
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step]) .sadaa-letter { grid-area: letter; position: static; margin: 0; color: inherit; font-size: 22px; line-height: 1; }
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step]) .sadaa-en { display: block; grid-area: en; margin: 0; color: var(--mut); font-size: 10px; line-height: 1.4; letter-spacing: 0; }
  html #op-unified.v6 .phone-reliability :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step]) .sadaa-en::before { display: none; }
  html #op-unified.v6 .phone-reliability :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step]) .sadaa-verb { grid-area: verb; margin: 0; color: inherit; font-size: 16px; line-height: 1.5; white-space: normal; }
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) > :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step])::before { display: none; }
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) > :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step])::after {
    content: ''; display: block; grid-area: arrow; position: static; width: 7px; height: 7px;
    border: solid currentColor; border-width: 0 1px 1px 0; background: transparent;
    transform: rotate(45deg); animation: none; opacity: 1;
  }
  html #op-unified.v6 .phone-reliability .sadaa-flow:not(#op-steps) > :is([data-reliability-step], [data-efficiency-step], [data-capacity-step], [data-energy-step], [data-customer-step])[aria-expanded=true]::after { transform: rotate(225deg); }
  html #op-unified.v6 .phone-reliability :is(#reliability-detail, #efficiency-detail, #capacity-detail, #energy-detail, #customer-detail) { margin: 0; padding: 0 0 24px 40px; border: 0; border-bottom: 1px solid var(--line); background: transparent; animation: none; }
  html #op-unified.v6 .phone-reliability :is(#reliability-detail, #efficiency-detail, #capacity-detail, #energy-detail, #customer-detail) > .eyebrow { display: none; }
  html #op-unified.v6 .phone-reliability :is(#reliability-detail, #efficiency-detail, #capacity-detail, #energy-detail, #customer-detail) > h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.5; }
  html #op-unified.v6 .phone-reliability :is(#reliability-detail, #efficiency-detail, #capacity-detail, #energy-detail, #customer-detail) > p { margin: 0; font-size: 15px; line-height: 1.8; }
  html #op-unified.v6 .phone-reliability :is(#reliability-detail, #efficiency-detail, #capacity-detail, #energy-detail, #customer-detail) .listitem { margin: 16px 0 0; padding: 14px 0 0; border-top: 1px solid var(--line); }
  html #op-unified.v6 .phone-reliability :is(#reliability-detail, #efficiency-detail, #capacity-detail, #energy-detail, #customer-detail) .listitem p { margin: 6px 0 0; font-size: 14px; line-height: 1.8; }
  html #op-unified.v6 .phone-reliability > .scenario-loop { display: none; }
  html #op-unified.v6 .phone-reliability > p:not(#reliability-goal, #efficiency-goal, #capacity-goal, #energy-goal, #customer-goal) { margin-top: 24px; }
}

/* Related capacity content retains its desktop layout. */
@media (max-width: 767px) {
  html #op-unified.v6[data-view="capacity"] .pair:has(> div > button[data-page="efficiency"]) { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; margin: 0; border-top: 1px solid var(--line); }
  html #op-unified.v6[data-view="capacity"] .pair:has(> div > button[data-page="efficiency"]) > div { min-width: 0; padding: 24px 0; border-bottom: 1px solid var(--line); }
  html #op-unified.v6[data-view="capacity"] .pair:has(> div > button[data-page="efficiency"]) h2 { margin: 0 0 12px; font-size: 22px; line-height: 1.4; }
  html #op-unified.v6[data-view="capacity"] .pair:has(> div > button[data-page="efficiency"]) p { margin: 0 0 12px; font-size: 15px; line-height: 1.8; color: var(--mut); }
  html #op-unified.v6[data-view="capacity"] .pair:has(> div > button[data-page="efficiency"]) button {
    display: inline-flex; align-items: center; justify-content: flex-start; gap: 8px;
    min-height: 44px; max-width: 100%; margin: 0; padding: 10px 0; border: 0; border-radius: 0;
    color: var(--teal); background: transparent; font-size: 14px; line-height: 1.5;
    white-space: normal; text-align: left; box-shadow: none; transform: none;
  }
  html #op-unified.v6[data-view="capacity"] .pair:has(> div > button[data-page="efficiency"]) button::after { content: '\2192'; position: static; display: inline-block; flex-shrink: 0; transform: none; }
}

/* Follow the vertical reading direction on phones. */
@media (max-width: 767px) {
  html #op-unified.v6 .sl-path-nodes { gap: 28px; }
  html #op-unified.v6 .sl-path-nodes > div { overflow: visible; }
  html #op-unified.v6 .sl-path-nodes::before { display: none; }
  html #op-unified.v6 .sl-path-nodes > div:not(:last-child)::after {
    content: '\2193'; position: absolute; top: 100%; right: auto; bottom: auto; left: 50%;
    display: grid; place-items: center; width: 24px; height: 28px;
    opacity: 1 !important; visibility: visible; background: none; mask: none; border: 0; animation: none; transition: none; pointer-events: none;
    margin: 0; color: var(--teal); font-size: 18px; line-height: 1; transform: translateX(-50%);
  }
}

/* Keep every lifecycle stage visible in the phone navigation. */
@media (max-width: 767px) {
  html #op-unified.v6 #op-content .sl-stage-strip {
    display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0;
    width: 100%; min-width: 0; margin: 0 0 24px; padding: 0;
    overflow: visible; border-bottom: 1px solid var(--line); scroll-snap-type: none;
  }
  html #op-unified.v6 #op-content .sl-stage-strip button,
  html #op-unified.v6 #op-content .sl-stage-strip button:hover,
  html #op-unified.v6 #op-content .sl-stage-strip button[aria-current="page"] {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 8px; width: 100%; min-width: 0; min-height: 72px; margin: 0 0 -1px; padding: 12px 2px;
    border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: transparent;
    color: var(--mut); font-size: 12px; line-height: 1.5; letter-spacing: 0;
    white-space: normal; text-align: center; box-shadow: none; transform: none;
  }
  html #op-unified.v6 #op-content .sl-stage-strip button small { font-size: 11px; line-height: 1; color: inherit; letter-spacing: 0; }
  html #op-unified.v6 #op-content .sl-stage-strip button[aria-current="page"] { color: var(--teal); border-bottom-color: var(--teal); font-weight: 600; }
  html.script-latin #op-unified.v6 #op-content .sl-stage-strip { display: flex; flex-wrap: nowrap; gap: 20px; overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none; scroll-snap-type: x proximity; }
  html.script-latin #op-unified.v6 #op-content .sl-stage-strip::-webkit-scrollbar { display: none; }
  html.script-latin #op-unified.v6 #op-content .sl-stage-strip button { flex: 0 0 auto; width: auto; align-items: flex-start; text-align: left; white-space: nowrap; font-size: 14px; min-height: 68px; padding: 12px 0; scroll-snap-align: center; }
}

@media (max-width: 767px) and (prefers-reduced-motion: no-preference) {
  html #op-unified.v6 .sl-road-track.flowing button[aria-pressed="true"] .sl-stop { animation: phone-lifecycle-pulse 3.2s ease-in-out infinite; }
}
@keyframes phone-lifecycle-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 106, 232, 0); }
  50% { box-shadow: 0 0 0 6px rgba(0, 106, 232, .12); }
}