:root {
  --oem-ink: #092854;
  --oem-blue: #087fd1;
  --oem-cyan: #55c9ff;
  --oem-night: #061d3f;
  --oem-pale: #f2f7fa;
  --oem-muted: #60748c;
  --oem-line: #d7e3ec;
  --oem-max: 1180px;
}

/* Browser review 2026-07-31: semantic title lines and compact section flow. */
.oem-title-line {
  display: block;
  white-space: nowrap;
}

.oem-platforms {
  padding-top: 92px;
}

.capacity-value b {
  font: inherit;
}

@media (min-width: 981px) {
  .oem-page #platforms-title,
  .oem-page #fit-title {
    max-width: none;
    white-space: nowrap;
    font-size: clamp(38px, 3.7vw, 52px);
  }
}

@media (max-width: 980px) {
  .oem-title-line,
  .oem-page #platforms-title,
  .oem-page #fit-title {
    white-space: normal;
  }

  .oem-platforms {
    padding-top: 64px;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.oem-page { color: var(--oem-ink); background: #fff; }
.oem-page main { overflow: clip; }
.oem-page .breadcrumb { width: min(var(--oem-max), calc(100% - 48px)); margin: 0 auto; padding: 20px 0; color: #697d93; font-size: 13px; }
.oem-page .breadcrumb a { color: inherit; text-decoration: none; }
.oem-page .breadcrumb span { margin: 0 9px; color: #a7b6c4; }
.oem-scroll-progress { position: fixed; z-index: 120; inset: 0 0 auto; height: 3px; pointer-events: none; }
.oem-scroll-progress span { display: block; width: 100%; height: 100%; background: linear-gradient(90deg, var(--oem-blue), var(--oem-cyan)); transform: scaleX(0); transform-origin: left center; }
.oem-eyebrow { margin: 0 0 22px; color: var(--oem-blue); font-size: 12px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }

.oem-hero { position: relative; min-height: 710px; display: grid; grid-template-columns: minmax(420px, .85fr) minmax(0, 1.15fr); color: #fff; background: var(--oem-night); isolation: isolate; }
.oem-hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: radial-gradient(circle at 35% 26%, rgba(21,120,191,.24), transparent 35%), linear-gradient(125deg, #04172f, #082e59); }
.oem-hero-copy { align-self: center; padding: 92px max(54px, calc((100vw - var(--oem-max))/2)) 84px; padding-right: 56px; }
.oem-hero .oem-eyebrow { color: var(--oem-cyan); }
.oem-hero h1 { max-width: 640px; margin: 0; color: #fff; font-size: clamp(46px, 4.3vw, 68px); line-height: 1.02; letter-spacing: -.045em; overflow-wrap: normal; }
.oem-hero h1 em { color: var(--oem-cyan); font-style: normal; }
.oem-hero-lead { max-width: 650px; margin: 30px 0 0; color: rgba(255,255,255,.72); font-size: 17px; line-height: 1.7; }
.oem-hero-actions { display: flex; flex-wrap: wrap; gap: 26px; align-items: center; margin-top: 38px; }
.oem-button { min-height: 56px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; color: #fff; background: var(--oem-blue); border: 1px solid var(--oem-blue); font-size: 13px; font-weight: 850; text-decoration: none; transition: transform .25s ease, background .25s ease; }
.oem-button:hover { transform: translateY(-2px); background: #006eb7; }
.oem-text-link { color: rgba(255,255,255,.8); font-size: 13px; font-weight: 800; text-decoration: none; }
.oem-text-link span { margin-left: 10px; color: var(--oem-cyan); }
.oem-hero-visual { min-width: 0; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.oem-hero-image { position: relative; min-width: 0; margin: 0; overflow: hidden; background: #153b61; transition: flex .55s ease, filter .55s ease; }
.oem-hero-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(3,23,49,.08), rgba(3,23,49,.82)); }
.oem-hero-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s cubic-bezier(.2,.7,.2,1); }
.oem-hero-image.is-vietnam img { object-position: 54% center; }
.oem-hero-image.is-sanqi img { object-position: 68% center; }
.oem-hero-image:hover img { transform: scale(1.035); }
.oem-hero-image figcaption { position: absolute; z-index: 2; inset: auto 30px 31px; display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; color: #fff; }
.oem-hero-image figcaption span { grid-row: 1 / 3; padding-top: 3px; color: var(--oem-cyan); font-size: 11px; font-weight: 900; }
.oem-hero-image figcaption strong { font-size: 19px; }
.oem-hero-image figcaption small { color: rgba(255,255,255,.62); font-size: 11px; }

.oem-principle, .oem-platforms, .oem-fit, .oem-process, .oem-brief, .oem-final-cta { width: min(var(--oem-max), calc(100% - 48px)); margin: 0 auto; }
.oem-principle { padding: 112px 0 90px; display: grid; grid-template-columns: .55fr 1.45fr; gap: 72px; border-bottom: 1px solid var(--oem-line); }
.oem-principle h2, .oem-section-heading h2, .brief-copy h2 { margin: 0; color: var(--oem-ink); font-size: clamp(42px, 4.9vw, 68px); line-height: 1.01; letter-spacing: -.052em; }
.oem-principle div > p { max-width: 690px; margin: 28px 0 0; color: var(--oem-muted); font-size: 17px; line-height: 1.75; }

.oem-platforms { padding: 110px 0 120px; }
.oem-section-heading { display: grid; grid-template-columns: .55fr 1.45fr; gap: 72px; align-items: end; margin-bottom: 56px; }
.oem-section-heading > p:last-child { margin: 20px 0 0; color: var(--oem-muted); line-height: 1.7; }
.platform-switcher { border: 1px solid var(--oem-line); background: #fff; box-shadow: 0 26px 70px rgba(6,38,76,.08); }
.platform-tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--oem-line); }
.platform-tab { min-height: 124px; padding: 25px 30px; display: grid; grid-template-columns: 42px 1fr; grid-template-rows: auto auto; gap: 3px 0; border: 0; border-right: 1px solid var(--oem-line); color: var(--oem-ink); background: #fff; text-align: left; cursor: pointer; font: inherit; transition: color .28s ease, background .28s ease; }
.platform-tab:last-child { border-right: 0; }
.platform-tab span { grid-row: 1 / 3; padding-top: 4px; color: #9aabbb; font-size: 11px; font-weight: 900; }
.platform-tab strong { font-size: 22px; }
.platform-tab small { color: var(--oem-muted); font-size: 12px; }
.platform-tab.is-active { color: #fff; background: var(--oem-ink); }
.platform-tab.is-active span, .platform-tab.is-active small { color: var(--oem-cyan); }
.platform-tab:focus-visible { outline: 3px solid var(--oem-cyan); outline-offset: -3px; }
.platform-panel { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); min-height: 640px; }
.platform-panel[hidden] { display: none; }
.platform-image { position: relative; min-width: 0; overflow: hidden; background: #dbe8f1; }
.platform-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 62%, rgba(3,23,49,.58)); }
.platform-image img { width: 100%; height: 100%; object-fit: cover; animation: platform-in .65s ease both; }
.platform-image.is-vietnam img { object-position: 52% center; }
.platform-image.is-sanqi img { object-position: 68% center; }
.platform-image span { position: absolute; z-index: 1; left: 28px; bottom: 26px; color: #fff; font-size: 11px; font-weight: 900; letter-spacing: .14em; }
.platform-content { padding: 54px 48px; animation: platform-in .55s ease both; }
.platform-kicker { margin: 0; color: var(--oem-blue); font-size: 10px; font-weight: 900; letter-spacing: .16em; }
.platform-logo { display: flex; align-items: center; justify-content: center; width: 168px; max-width: 100%; height: 68px; margin-top: 18px; padding: 8px 12px; overflow: hidden; border: 1px solid var(--oem-line); background: #fff; }
.platform-logo img { display: block; width: 100%; height: 100%; object-fit: contain; }
.platform-logo.is-vietnam img { transform: scale(1.12); }
.platform-logo.is-sanqi { width: 176px; }
.platform-content h3 { margin: 14px 0 0; color: var(--oem-ink); font-size: clamp(34px, 3.8vw, 52px); line-height: 1.04; letter-spacing: -.045em; }
.platform-content > p:not(.platform-kicker) { margin: 22px 0 0; color: var(--oem-muted); font-size: 15px; line-height: 1.7; }
.platform-capabilities { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 31px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--oem-line); }
.platform-capabilities li { min-height: 58px; padding: 18px 13px 13px 20px; position: relative; border-bottom: 1px solid var(--oem-line); color: var(--oem-ink); font-size: 12px; font-weight: 750; }
.platform-capabilities li::before { content: ""; position: absolute; left: 0; top: 24px; width: 7px; height: 2px; background: var(--oem-blue); }
.platform-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 30px; border: 1px solid var(--oem-line); }
.platform-facts div { min-height: 92px; padding: 15px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--oem-line); border-bottom: 1px solid var(--oem-line); }
.platform-facts div:nth-child(2n) { border-right: 0; }
.platform-facts div:nth-last-child(-n + 2) { border-bottom: 0; }
.platform-facts strong { color: var(--oem-blue); font-size: 24px; letter-spacing: -.03em; white-space: nowrap; }
.platform-facts span { color: var(--oem-muted); font-size: 10px; line-height: 1.35; }
.platform-content > a { display: flex; justify-content: space-between; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--oem-line); color: var(--oem-blue); font-size: 12px; font-weight: 850; text-decoration: none; }
@keyframes platform-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.oem-fit { padding: 112px 0; }
.fit-table { border-top: 1px solid var(--oem-line); }
.fit-row { min-height: 82px; display: grid; grid-template-columns: 1.3fr .75fr .75fr 1.35fr; gap: 18px; align-items: center; padding: 14px 20px; border-bottom: 1px solid var(--oem-line); transition: background .25s ease, padding .25s ease; }
.fit-row:not(.fit-head):hover { padding-left: 28px; background: var(--oem-pale); }
.fit-head { min-height: 54px; color: #7b8da0; background: var(--oem-pale); font-size: 10px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.fit-row strong { font-size: 15px; }
.fit-row span { color: var(--oem-muted); font-size: 13px; line-height: 1.45; }
.fit-row .fit-yes { width: max-content; padding: 7px 10px; color: var(--oem-blue); background: #e8f5fc; font-size: 10px; font-weight: 900; text-transform: uppercase; }

.oem-capacity { position: relative; overflow: hidden; background: linear-gradient(180deg, #f4f8fc 0%, #fff 100%); }
.oem-capacity::before { content: ""; position: absolute; top: -210px; right: -170px; width: 620px; height: 620px; border: 1px solid rgba(0,126,203,.1); border-radius: 50%; box-shadow: 0 0 0 86px rgba(0,126,203,.035), 0 0 0 172px rgba(0,126,203,.025); pointer-events: none; }
.capacity-table { position: relative; margin-top: clamp(48px, 6vw, 76px); border-top: 1px solid var(--oem-line); background: rgba(255,255,255,.72); }
.capacity-row { display: grid; grid-template-columns: minmax(260px, 1.45fr) minmax(150px, .7fr) minmax(150px, .7fr) minmax(190px, .85fr); gap: 18px; min-height: 112px; padding: 16px 22px; align-items: center; border-right: 1px solid var(--oem-line); border-bottom: 1px solid var(--oem-line); border-left: 1px solid var(--oem-line); transition: background .25s ease, transform .3s ease, box-shadow .3s ease; }
.capacity-row:not(.capacity-head):hover { z-index: 2; background: #fff; box-shadow: 0 18px 42px rgba(3,42,82,.08); transform: translateX(6px); }
.capacity-head { min-height: 54px; background: rgba(231,241,249,.9); color: #63788f; font-size: 11px; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.capacity-row > strong { color: var(--oem-ink); font-size: clamp(17px, 1.4vw, 22px); line-height: 1.25; letter-spacing: -.025em; }
.capacity-row > span { color: var(--oem-muted); font-size: 13px; line-height: 1.4; }
.capacity-available { width: max-content; padding: 7px 10px; color: var(--oem-blue) !important; background: #e8f5fc; font-size: 10px !important; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.capacity-available.is-secondary { background: #f0f5f8; }
.capacity-note { max-width: 130px; }
.capacity-value { display: flex; align-items: baseline; gap: 9px; color: var(--oem-blue) !important; font-size: clamp(30px, 3.2vw, 52px) !important; font-weight: 900; line-height: .92 !important; letter-spacing: -.055em; white-space: nowrap; }
.capacity-value small { color: #617b94; font-size: 9px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.capacity-disclaimer { position: relative; max-width: 1040px; margin: 22px 0 0; color: #71859a; font-size: 11px; line-height: 1.6; }
.capacity-disclaimer strong { color: var(--oem-ink); }

.oem-quality-story { --quality-header-offset: 136px; position: relative; width: 100%; height: calc(500svh - 680px); background: #041a38; }
.quality-story-sticky { position: sticky; top: var(--quality-header-offset); height: calc(100svh - var(--quality-header-offset)); min-height: 560px; overflow: hidden; color: #fff; background: linear-gradient(135deg, #04172f 0%, #062b53 62%, #075c91 100%); isolation: isolate; outline: none; }
.quality-story-sticky::before { content: ""; position: absolute; z-index: 0; inset: 0; pointer-events: none; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, transparent, #000 44%, #000); }
.quality-story-sticky:focus-visible { box-shadow: inset 0 0 0 3px var(--oem-cyan); }
.quality-story-scenes { position: absolute; inset: 0; }
.quality-story-scene { position: absolute; z-index: 1; inset: 0; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 3fr); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .62s ease, visibility .62s ease; }
.quality-story-scene.is-reversed { grid-template-columns: minmax(0, 3fr) minmax(0, 7fr); }
.quality-story-scene.is-active { z-index: 2; opacity: 1; visibility: visible; pointer-events: auto; }
.quality-story-scene.is-reversed .quality-story-media { order: 2; }
.quality-story-scene.is-reversed .quality-story-copy { order: 1; }
.quality-story-media { position: relative; min-width: 0; height: 100%; margin: 0; overflow: hidden; background: #0a3158; }
.quality-story-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(3,23,49,.03) 48%, rgba(3,23,49,.72)); }
.quality-story-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.84) contrast(1.02); transform: scale(1.08); transition: transform 1.15s cubic-bezier(.2,.75,.2,1), filter .7s ease; }
.quality-story-scene.is-active .quality-story-media img { filter: saturate(.98) contrast(1.02); transform: scale(1.01); }
.quality-story-media.is-laboratory img { object-position: 78% center; }
.quality-story-media figcaption { position: absolute; z-index: 1; left: clamp(28px, 4vw, 68px); bottom: 34px; padding-left: 30px; color: #fff; font-size: 10px; font-weight: 900; letter-spacing: .16em; }
.quality-story-media figcaption::before { content: ""; position: absolute; left: 0; top: 50%; width: 19px; height: 2px; background: var(--oem-cyan); }
.quality-story-copy { position: relative; display: flex; flex-direction: column; justify-content: center; padding: clamp(42px, 4vw, 76px) clamp(30px, 3.2vw, 60px) clamp(54px, 5vw, 86px); background: radial-gradient(circle at 88% 12%, rgba(51,172,241,.18), transparent 32%), linear-gradient(145deg, rgba(4,25,53,.98), rgba(5,45,84,.98)); transform: translateY(24px); transition: transform .7s cubic-bezier(.2,.75,.2,1); }
.quality-story-scene.is-active .quality-story-copy { transform: none; }
.quality-story-eyebrow { display: flex; justify-content: space-between; gap: 24px; margin: 0 0 24px; color: var(--oem-cyan); font-size: 10px; font-weight: 900; letter-spacing: .17em; }
.quality-story-eyebrow span { color: rgba(255,255,255,.48); }
.quality-story-copy h2 { max-width: 700px; margin: 0; color: #fff; font-size: clamp(34px, 3.3vw, 58px); line-height: .98; letter-spacing: -.052em; }
.quality-story-copy h3 { max-width: 640px; margin: 0; color: #fff; font-size: clamp(36px, 3.4vw, 60px); line-height: .98; letter-spacing: -.052em; }
.quality-story-copy h2 + h3 { margin-top: 24px; color: var(--oem-cyan); font-size: clamp(24px, 2.2vw, 34px); letter-spacing: -.03em; }
.quality-story-copy > p:not(.quality-story-eyebrow) { max-width: 630px; margin: 26px 0 0; color: rgba(255,255,255,.7); font-size: 15px; line-height: 1.72; }
.quality-story-copy ul { max-width: 650px; margin: 30px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.16); }
.quality-story-copy li { position: relative; padding: 13px 10px 13px 24px; border-bottom: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.78); font-size: 12px; line-height: 1.45; }
.quality-story-copy li::before { content: ""; position: absolute; left: 1px; top: 19px; width: 7px; height: 7px; border: 2px solid var(--oem-cyan); border-radius: 50%; }
.quality-story-signal { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; gap: 4px 24px; align-items: end; max-width: 650px; margin-top: 30px; }
.quality-story-signal span { color: rgba(255,255,255,.42); font-size: 9px; font-weight: 900; letter-spacing: .15em; }
.quality-story-signal strong { grid-column: 2; grid-row: 1 / 3; color: var(--oem-cyan); font-size: clamp(32px, 3.2vw, 48px); line-height: .9; letter-spacing: -.05em; }
.quality-story-signal small { color: #fff; font-size: 11px; font-weight: 800; }
.quality-story-release { display: flex; align-items: center; gap: 10px; margin-top: 24px; color: #fff; font-size: 12px; }
.quality-story-release span { display: grid; width: 26px; height: 26px; place-items: center; border-radius: 50%; background: var(--oem-blue); }
.quality-story-progress { position: absolute; z-index: 5; top: 50%; right: 22px; display: grid; gap: 11px; transform: translateY(-50%); }
.quality-story-progress button { position: relative; width: 42px; height: 20px; padding: 0; border: 0; color: rgba(255,255,255,.36); background: transparent; cursor: pointer; font: inherit; }
.quality-story-progress button::before { content: ""; position: absolute; right: 0; top: 50%; width: 18px; height: 2px; background: currentColor; transition: width .3s ease, color .3s ease; }
.quality-story-progress button span { position: absolute; left: 0; top: 4px; font-size: 8px; font-weight: 900; opacity: 0; transition: opacity .3s ease; }
.quality-story-progress button:hover, .quality-story-progress button.is-active { color: var(--oem-cyan); }
.quality-story-progress button.is-active::before { width: 29px; }
.quality-story-progress button.is-active span { opacity: 1; }
.quality-story-progress button:focus-visible { outline: 2px solid var(--oem-cyan); outline-offset: 2px; }
.quality-story-scroll-cue { position: absolute; z-index: 5; left: 50%; bottom: 22px; display: grid; justify-items: center; gap: 8px; color: rgba(255,255,255,.55); transform: translateX(-50%); }
.quality-story-scroll-cue span { position: relative; display: block; width: 1px; height: 30px; overflow: hidden; background: rgba(255,255,255,.24); }
.quality-story-scroll-cue span::after { content: ""; position: absolute; inset: 0; background: var(--oem-cyan); transform: translateY(-100%); animation: quality-scroll-cue 1.7s ease-in-out infinite; }
.quality-story-scroll-cue small { font-size: 8px; font-weight: 900; letter-spacing: .18em; }
@keyframes quality-scroll-cue { 0% { transform: translateY(-100%); } 52%, 100% { transform: translateY(100%); } }

.oem-process { padding: 112px 0 122px; }
.process-track { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--oem-line); border-bottom: 1px solid var(--oem-line); }
.process-track li { position: relative; min-height: 260px; padding: 30px 24px; border-right: 1px solid var(--oem-line); transition: background .28s ease, transform .28s ease; }
.process-track li:last-child { border-right: 0; }
.process-track li:hover { z-index: 1; transform: translateY(-8px); background: #fff; box-shadow: 0 20px 45px rgba(7,39,75,.1); }
.process-track span { color: var(--oem-blue); font-size: 11px; font-weight: 900; }
.process-track h3 { margin: 52px 0 0; color: var(--oem-ink); font-size: 25px; }
.process-track p { margin: 16px 0 0; color: var(--oem-muted); font-size: 13px; line-height: 1.65; }

.oem-brief { display: grid; grid-template-columns: .92fr 1.08fr; min-height: 610px; margin-bottom: 110px; color: #fff; background: linear-gradient(125deg, #061b3b, #0a477a); }
.brief-copy { padding: 70px 58px; }
.brief-copy .oem-eyebrow { color: var(--oem-cyan); }
.brief-copy h2 { color: #fff; }
.brief-copy > p { margin: 26px 0 32px; color: rgba(255,255,255,.7); line-height: 1.72; }
.brief-checklist { display: grid; grid-template-columns: 1fr 1fr; background: rgba(255,255,255,.05); }
.brief-checklist > div { position: relative; min-height: 50%; padding: 34px 32px; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; isolation: isolate; border-left: 1px solid rgba(255,255,255,.15); border-bottom: 1px solid rgba(255,255,255,.15); background: #0a3b6a; transition: background .28s ease; }
.brief-checklist > div::after { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(180deg, rgba(3,25,54,.22), rgba(3,25,54,.9) 78%); transition: background .28s ease; }
.brief-checklist > div:hover::after { background: linear-gradient(180deg, rgba(3,25,54,.08), rgba(3,25,54,.82) 78%); }
.brief-checklist > div > img { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.76) contrast(.98); transform: scale(1.01); transition: transform .7s cubic-bezier(.2,.7,.2,1), filter .3s ease; }
.brief-checklist > div:hover > img { transform: scale(1.045); filter: saturate(.9) contrast(1.02); }
.brief-checklist > div > span { color: var(--oem-cyan); font-size: 11px; font-weight: 900; }
.brief-card-copy { position: relative; z-index: 1; display: flex; flex-direction: column; }
.brief-card-copy strong { color: #fff; font-size: 20px; }
.brief-card-copy small { margin-top: 10px; color: rgba(255,255,255,.68); line-height: 1.45; }

.oem-final-cta { margin-bottom: 110px; padding: 78px 68px; color: #fff; background: var(--oem-blue); }
.oem-final-cta .oem-eyebrow { color: #fff; }
.oem-final-cta h2 { max-width: 900px; margin: 0; color: #fff; font-size: clamp(42px, 5.2vw, 72px); line-height: 1; letter-spacing: -.052em; }
.oem-final-cta > div { display: grid; grid-template-columns: 1fr auto; gap: 60px; align-items: end; margin-top: 38px; }
.oem-final-cta p { max-width: 690px; margin: 0; color: rgba(255,255,255,.75); line-height: 1.7; }
.oem-button.light { color: var(--oem-ink); background: #fff; border-color: #fff; }

.oem-reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.oem-reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .oem-reveal { opacity: 1; transform: none; }
  .oem-quality-story { height: auto; }
  .quality-story-sticky { position: relative; top: auto; height: auto; min-height: 0; overflow: visible; }
  .quality-story-scenes { position: relative; }
  .quality-story-scene { position: relative; min-height: 680px; opacity: 1; visibility: visible; pointer-events: auto; }
  .quality-story-progress, .quality-story-scroll-cue { display: none; }
}

@media (max-width: 1080px) {
  .oem-hero { grid-template-columns: 1fr; }
  .oem-hero-copy { padding-left: max(32px, calc((100vw - var(--oem-max))/2)); }
  .oem-hero-visual { min-height: 560px; }
  .platform-panel { grid-template-columns: 1fr; }
  .platform-image { min-height: 560px; }
  .process-track { grid-template-columns: repeat(3, 1fr); }
  .process-track li { border-bottom: 1px solid var(--oem-line); }
  .oem-brief { grid-template-columns: 1fr; }
  .quality-story-copy { padding-left: clamp(42px, 5vw, 68px); padding-right: clamp(58px, 7vw, 92px); }
  .capacity-row { grid-template-columns: minmax(220px, 1.2fr) minmax(112px, .65fr) minmax(112px, .65fr) minmax(170px, .75fr); gap: 12px; padding-inline: 18px; }
}

@media (max-width: 760px) {
  .oem-page .breadcrumb, .oem-principle, .oem-platforms, .oem-fit, .oem-process, .oem-brief, .oem-final-cta { width: calc(100% - 32px); }
  .oem-hero-copy { padding: 72px 24px 64px; }
  .oem-hero h1 { font-size: clamp(42px, 11vw, 56px); }
  .oem-hero-visual { min-height: 640px; grid-template-columns: 1fr; }
  .oem-principle, .oem-section-heading { grid-template-columns: 1fr; gap: 22px; }
  .oem-principle { padding: 78px 0 66px; }
  .oem-platforms, .oem-fit, .oem-process { padding: 78px 0 84px; }
  .platform-tabs { grid-template-columns: 1fr; }
  .platform-tab { border-right: 0; border-bottom: 1px solid var(--oem-line); }
  .platform-image { min-height: 400px; }
  .platform-content { padding: 36px 24px; }
  .platform-capabilities { grid-template-columns: 1fr; }
  .platform-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform-facts div { min-height: 82px; }
  .fit-head { display: none; }
  .fit-row { grid-template-columns: 1fr 1fr; gap: 12px; padding: 20px 14px; }
  .fit-row strong { grid-column: 1 / -1; }
  .fit-row span:last-child { grid-column: 1 / -1; }
  .capacity-table { margin-top: 42px; }
  .capacity-head { display: none; }
  .capacity-row { grid-template-columns: 1fr 1fr; gap: 14px 12px; min-height: 0; padding: 24px 16px; }
  .capacity-row > strong, .capacity-value { grid-column: 1 / -1; }
  .capacity-row:not(.capacity-head):hover { transform: none; }
  .oem-quality-story { height: auto; }
  .quality-story-sticky { position: relative; top: auto; height: auto; min-height: 0; overflow: visible; }
  .quality-story-sticky::before, .quality-story-progress, .quality-story-scroll-cue { display: none; }
  .quality-story-scenes { position: relative; }
  .quality-story-scene,
  .quality-story-scene.is-reversed { position: relative; min-height: 0; grid-template-columns: 1fr; opacity: 1; visibility: visible; pointer-events: auto; border-bottom: 1px solid rgba(255,255,255,.14); }
  .quality-story-scene.is-reversed .quality-story-media, .quality-story-scene.is-reversed .quality-story-copy { order: initial; }
  .quality-story-media { min-height: 360px; height: 48svh; }
  .quality-story-copy { min-height: 560px; padding: 46px 24px 58px; }
  .quality-story-copy h2, .quality-story-copy h3 { font-size: clamp(38px, 10vw, 52px); }
  .quality-story-copy h2 + h3 { font-size: 24px; }
  .process-track { grid-template-columns: 1fr; }
  .process-track li { min-height: auto; padding: 26px 22px 28px; border-right: 0; }
  .process-track h3 { margin-top: 18px; }
  .brief-copy { padding: 48px 26px; }
  .brief-checklist { grid-template-columns: 1fr; }
  .brief-checklist > div { min-height: 220px; border-left: 0; }
  .oem-final-cta { padding: 48px 26px; }
  .oem-final-cta > div { grid-template-columns: 1fr; gap: 28px; }
}

/* Final desktop heading controls */
.oem-title-line {
  display: block;
}

.capacity-value b {
  font: inherit;
}

@media (min-width: 981px) {
  .oem-hero {
    grid-template-columns: minmax(520px, 1fr) minmax(0, 1fr);
  }

  .oem-hero-copy {
    padding-left: max(44px, calc((100vw - var(--oem-max))/2));
    padding-right: 40px;
  }

  .oem-hero h1 {
    max-width: none;
    font-size: clamp(26px, 2.55vw, 32px);
  }

  .oem-title-line,
  .oem-page #platforms-title,
  .oem-page #fit-title {
    white-space: nowrap;
  }

  .oem-page #platforms-title,
  .oem-page #fit-title {
    max-width: none;
    font-size: clamp(38px, 3.7vw, 52px);
  }

  .oem-platforms {
    padding-top: 92px;
  }
}

@media (max-width: 980px) {
  .oem-title-line,
  .oem-page #platforms-title,
  .oem-page #fit-title {
    white-space: normal;
  }

  .oem-platforms {
    padding-top: 64px;
  }
}