/* Homepage-only Codex reference system. Inner pages continue to use styles.css. */

body.openai-home-page {
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  --oa-warm: #f4f4f0;
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  --oa-dark-muted: rgba(255, 255, 255, .66);
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  --oa-content: 1376px;
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}

body.openai-home-page,
body.openai-home-page * {
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}

body.openai-home-page a:focus-visible,
body.openai-home-page [tabindex="0"]:focus-visible {
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}

/* Header */
body.openai-home-page .home-site-header {
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  width: 100%;
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  border-bottom: 1px solid rgba(255, 255, 255, .25);
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  color: var(--oa-ink);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  transition: background-color 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

body.openai-home-page .home-site-header.is-scrolled {
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}

body.openai-home-page .home-nav-rail {
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  padding: 10px 32px;
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  gap: 26px;
}

body.openai-home-page .home-wordmark {
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  flex: 0 0 auto;
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  height: 44px;
  align-items: center;
}

body.openai-home-page .home-wordmark img {
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}

body.openai-home-page .home-desktop-nav {
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}

body.openai-home-page .home-site-header .nav-text-link {
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}

body.openai-home-page .home-site-header .nav-text-link:hover,
body.openai-home-page .home-site-header .nav-text-link:focus-visible,
body.openai-home-page .home-site-header .nav-text-link.is-current {
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}

body.openai-home-page .home-contact-link {
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  font-size: 14px;
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}

body.openai-home-page .home-contact-link:hover,
body.openai-home-page .home-contact-link:focus-visible {
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}

/* Hero */
body.openai-home-page .openai-hero-shell {
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}

body.openai-home-page .openai-hero-shell::before {
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body.openai-home-page .openai-hero-shell::after {
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body.openai-home-page .openai-hero {
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}

body.openai-home-page .openai-hero-atmosphere {
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}

body.openai-home-page .openai-hero-inner {
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}

body.openai-home-page .openai-hero-copy {
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}

body.openai-home-page .oa-final-mark {
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body.openai-home-page .oa-final-mark span {
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}

body.openai-home-page .openai-hero h1 {
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  font-size: clamp(62px, 6.2vw, 88px);
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}

body.openai-home-page .openai-hero-kicker {
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}

body.openai-home-page .openai-hero-lead {
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  margin: 27px 0 0;
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}

body.openai-home-page .openai-hero-actions {
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  gap: 10px;
}

body.openai-home-page .openai-pill,
body.openai-home-page .oa-light-pill {
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  padding: 0 22px;
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  align-items: center;
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  gap: 9px;
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  font-size: 15px;
  font-weight: 500;
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  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

body.openai-home-page .openai-pill-primary {
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  background: var(--oa-ink);
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}

body.openai-home-page .openai-pill-secondary {
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  background: rgba(255, 255, 255, .34);
  color: var(--oa-ink);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

body.openai-home-page .openai-pill:hover,
body.openai-home-page .openai-pill:focus-visible,
body.openai-home-page .oa-light-pill:hover,
body.openai-home-page .oa-light-pill:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 11px 26px rgba(13, 13, 13, .14);
}

body.openai-home-page .openai-partners {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 27px;
}

body.openai-home-page .openai-partners > p {
  margin: 0;
  color: rgba(13, 13, 13, .72);
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  line-height: 22px;
}

body.openai-home-page .openai-partner-logos {
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  grid-template-columns: repeat(4, 1fr);
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  gap: 42px;
}

body.openai-home-page .openai-partner-logos img {
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  margin: 0 auto;
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}

/* Long dark narrative */
body.openai-home-page .oa-business {
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  isolation: isolate;
  background: var(--oa-ink);
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}

body.openai-home-page .oa-business-inner,
body.openai-home-page .oa-principles-inner,
body.openai-home-page .oa-final-cta-inner,
body.openai-home-page .home-footer-inner {
  width: min(var(--oa-content), calc(100% - 64px));
  margin: 0 auto;
}

body.openai-home-page .oa-business-heading {
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  padding: 136px 0;
  display: flex;
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}

body.openai-home-page .oa-business-heading h2,
body.openai-home-page .oa-scenes-heading h2,
body.openai-home-page .oa-principles h2,
body.openai-home-page .oa-final-cta h2 {
  margin: 0;
  font-size: clamp(54px, 5.8vw, 82px);
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  text-wrap: balance;
}

body.openai-home-page .oa-business-heading h2 {
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}

body.openai-home-page .oa-feature {
  min-height: 720px;
  padding: 96px 0 116px;
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  grid-template-columns: minmax(280px, .72fr) minmax(520px, 1.28fr);
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  gap: clamp(64px, 8vw, 130px);
}

body.openai-home-page .oa-feature-reverse {
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}

body.openai-home-page .oa-feature-reverse .oa-feature-copy { order: 2; }
body.openai-home-page .oa-feature-reverse .oa-feature-media { order: 1; }

body.openai-home-page .oa-feature-copy h3 {
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  color: #fff;
  font-size: clamp(29px, 2.6vw, 38px);
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}

body.openai-home-page .oa-feature-copy p {
  margin: 23px 0 0;
  color: var(--oa-dark-muted);
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}

body.openai-home-page .oa-feature-copy a {
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  gap: 8px;
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}

body.openai-home-page .oa-feature-media {
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  border: 1px solid rgba(255, 255, 255, .14);
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  box-shadow: 0 28px 70px rgba(0, 0, 0, .36), inset 0 1px rgba(255, 255, 255, .05);
}

/* Software panel */
body.openai-home-page .oa-software-media {
  padding: 48px;
  background: radial-gradient(circle at 16% 13%, rgba(123, 102, 255, .34), transparent 30%), linear-gradient(145deg, #222127, #111 72%);
}

body.openai-home-page .oa-window {
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  border: 1px solid rgba(255, 255, 255, .13);
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}

body.openai-home-page .oa-window-bar {
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  gap: 7px;
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body.openai-home-page .oa-window-bar i { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, .24); }
body.openai-home-page .oa-window-bar span { margin-left: auto; }

body.openai-home-page .oa-window-body {
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}

body.openai-home-page .oa-code-panel {
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  gap: 18px;
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}

body.openai-home-page .oa-code-line {
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  border-radius: 99px;
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}

body.openai-home-page .oa-code-line.line-wide { width: 78%; }
body.openai-home-page .oa-code-line.line-short { width: 38%; }

body.openai-home-page .oa-device-panel {
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}

body.openai-home-page .oa-device-panel strong { margin-top: 8px; color: #fff; font-size: 20px; }
body.openai-home-page .oa-device-panel i {
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  border: 1px solid rgba(255, 255, 255, .26);
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/* Cloud panel */
body.openai-home-page .oa-cloud-media {
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body.openai-home-page .oa-cloud-ring {
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  border: 1px solid rgba(149, 161, 255, .24);
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}

body.openai-home-page .oa-cloud-ring.ring-one { width: 280px; height: 280px; }
body.openai-home-page .oa-cloud-ring.ring-two { width: 430px; height: 430px; opacity: .5; }

body.openai-home-page .oa-cloud-core {
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body.openai-home-page .oa-cloud-core span { color: rgba(255, 255, 255, .52); font-size: 12px; }
body.openai-home-page .oa-cloud-core strong { margin-top: 7px; color: #fff; font-size: 25px; }

body.openai-home-page .oa-cloud-node {
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body.openai-home-page .node-one { top: 18%; left: 17%; }
body.openai-home-page .node-two { top: 22%; right: 15%; }
body.openai-home-page .node-three { bottom: 16%; left: 20%; }
body.openai-home-page .node-four { right: 20%; bottom: 18%; }

/* Enterprise panel */
body.openai-home-page .oa-enterprise-media {
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}

body.openai-home-page .oa-service-card {
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body.openai-home-page .oa-service-main {
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}

body.openai-home-page .oa-service-main strong { width: 100%; color: #fff; font-size: 27px; }
body.openai-home-page .oa-service-main small { color: rgba(255, 255, 255, .48); }
body.openai-home-page .oa-service-trademark { grid-column: 1 / -1; }
body.openai-home-page .oa-service-card i { color: rgba(255, 255, 255, .36); font-size: 11px; font-style: normal; }
body.openai-home-page .oa-service-card span { margin-top: 16px; color: #fff; font-size: 17px; }
body.openai-home-page .oa-service-card b { margin-top: 8px; font-size: 12px; font-weight: 400; }

/* Education panel */
body.openai-home-page .oa-education-media {
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}

body.openai-home-page .oa-course-sidebar {
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  gap: 12px;
  border: 1px solid rgba(255, 255, 255, .1);
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body.openai-home-page .oa-course-sidebar span {
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}

body.openai-home-page .oa-course-sidebar .is-active { background: rgba(255, 255, 255, .09); color: #fff; }

body.openai-home-page .oa-course-content {
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  border: 1px solid rgba(255, 255, 255, .1);
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}

body.openai-home-page .oa-course-content > p { margin: 0; color: rgba(255, 255, 255, .45); font-size: 12px; }
body.openai-home-page .oa-course-content > strong { margin-top: 9px; display: block; color: #fff; font-size: 25px; }

body.openai-home-page .oa-course-list { margin-top: 42px; display: flex; flex-direction: column; }
body.openai-home-page .oa-course-list span {
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  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, .1);
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}

body.openai-home-page .oa-course-list i { width: 8px; height: 8px; border-radius: 50%; background: #8d83ff; box-shadow: 0 0 18px rgba(141, 131, 255, .75); }

/* Scenario section */
body.openai-home-page .oa-scenes { padding: 170px 0 154px; }
body.openai-home-page .oa-scenes-heading { display: flex; flex-direction: column; align-items: center; text-align: center; }
body.openai-home-page .oa-scenes-heading h2 { max-width: 1040px; }

body.openai-home-page .oa-scenes-heading p {
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}

body.openai-home-page .oa-light-pill { margin-top: 32px; border-color: #fff; background: #fff; color: var(--oa-ink); }

body.openai-home-page .oa-scene-track {
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}

body.openai-home-page .oa-scene-card {
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  overflow: hidden;
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  border-radius: 8px;
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  transition: border-color 220ms ease, transform 220ms ease;
}

body.openai-home-page .oa-scene-card:hover,
body.openai-home-page .oa-scene-card:focus-visible { border-color: rgba(255, 255, 255, .29); transform: translateY(-3px); }

body.openai-home-page .oa-scene-visual { position: relative; height: 360px; overflow: hidden; border-radius: 5px; background: #202024; }
body.openai-home-page .oa-scene-card h3 { margin: 30px 22px 0; color: #fff; font-size: 25px; line-height: 1.1; letter-spacing: -.025em; }
body.openai-home-page .oa-scene-card > p { margin: 14px 22px 0; color: rgba(255, 255, 255, .58); font-size: 15px; line-height: 24px; }

body.openai-home-page .scene-product .oa-scene-visual { background: radial-gradient(circle at 75% 18%, rgba(115, 99, 255, .4), transparent 36%), #222127; }
body.openai-home-page .scene-chip {
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  z-index: 2;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, .14);
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  color: rgba(255, 255, 255, .72);
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}

body.openai-home-page .scene-chip.chip-one { top: 32px; left: 28px; }
body.openai-home-page .scene-chip.chip-two { top: 86px; right: 34px; }
body.openai-home-page .scene-chip.chip-three { top: 139px; left: 52px; }
body.openai-home-page .scene-product-window {
  position: absolute;
  right: 28px;
  bottom: -20px;
  left: 28px;
  height: 178px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 7px;
  background: rgba(11, 11, 13, .88);
}

body.openai-home-page .scene-product-window i { width: 76%; height: 7px; border-radius: 99px; background: rgba(255, 255, 255, .12); }
body.openai-home-page .scene-product-window i:nth-child(2) { width: 52%; }

body.openai-home-page .scene-cloud .oa-scene-visual { padding: 42px 32px; background: linear-gradient(145deg, rgba(72, 84, 174, .38), transparent 52%), #1a1b22; }
body.openai-home-page .scene-cloud-meter {
  padding: 22px;
  display: flex;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 7px;
  background: rgba(255, 255, 255, .05);
  color: rgba(255, 255, 255, .52);
  font-size: 11px;
}

body.openai-home-page .scene-cloud-meter strong { color: #fff; font-size: 13px; }
body.openai-home-page .scene-cloud-bars {
  height: 190px;
  margin-top: 26px;
  padding: 26px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 7px;
}

body.openai-home-page .scene-cloud-bars i { width: 18%; height: 48%; border-radius: 4px 4px 0 0; background: linear-gradient(#8077ee, #37396b); }
body.openai-home-page .scene-cloud-bars i:nth-child(2) { height: 72%; }
body.openai-home-page .scene-cloud-bars i:nth-child(3) { height: 58%; }
body.openai-home-page .scene-cloud-bars i:nth-child(4) { height: 88%; }
body.openai-home-page .scene-cloud-bars i:nth-child(5) { height: 78%; }

body.openai-home-page .scene-service .oa-scene-visual { background: radial-gradient(circle at 50% 80%, rgba(99, 83, 255, .25), transparent 42%), #202024; }
body.openai-home-page .scene-service-message {
  position: absolute;
  top: 72px;
  right: 28px;
  left: 28px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 8px;
  background: rgba(12, 12, 14, .83);
  box-shadow: 0 24px 50px rgba(0, 0, 0, .3);
}

body.openai-home-page .scene-service-message span { color: rgba(255, 255, 255, .42); font-size: 11px; }
body.openai-home-page .scene-service-message strong { margin-top: 14px; color: #fff; font-size: 17px; line-height: 1.5; }
body.openai-home-page .scene-service-status {
  position: absolute;
  right: 38px;
  bottom: 42px;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(126, 113, 255, .22);
  color: #c7c2ff;
  font-size: 11px;
}

/* Commitment cards */
body.openai-home-page .oa-principles {
  position: relative;
  isolation: isolate;
  padding: 150px 0 170px;
  background: var(--oa-ink);
  color: #fff;
}

body.openai-home-page .oa-principles h2 { max-width: 860px; }
body.openai-home-page .oa-principle-grid { margin-top: 90px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
body.openai-home-page .oa-principle-grid article {
  min-height: 330px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 7px;
  background: #171717;
}

body.openai-home-page .oa-principle-grid blockquote { margin: 0; color: #fff; font-size: clamp(22px, 2.1vw, 30px); line-height: 1.28; letter-spacing: -.025em; }
body.openai-home-page .oa-principle-grid p { margin: 40px 0 0; color: rgba(255, 255, 255, .46); font-size: 13px; }

/* Final conversion */
body.openai-home-page .oa-final-cta {
  position: relative;
  isolation: isolate;
  background: radial-gradient(circle at 20% 10%, rgba(255, 255, 255, .7), transparent 34%), radial-gradient(circle at 78% 80%, rgba(99, 82, 245, .48), transparent 42%), #bfcaf7;
  color: var(--oa-ink);
}

body.openai-home-page .oa-final-cta-inner {
  min-height: 700px;
  padding: 116px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

body.openai-home-page .oa-final-mark { background: rgba(255, 255, 255, .34); }
body.openai-home-page .oa-final-cta h2 { max-width: 920px; margin-top: 32px; }
body.openai-home-page .oa-final-cta p { max-width: 660px; margin: 28px 0 0; color: rgba(13, 13, 13, .72); font-size: 18px; line-height: 29px; }
body.openai-home-page .oa-final-cta .oa-light-pill { margin-top: 34px; border-color: var(--oa-ink); background: var(--oa-ink); color: #fff; }

/* Footer */
body.openai-home-page .home-site-footer { position: relative; min-height: 620px; overflow: visible; background: var(--oa-warm); box-shadow: 0 100vh 0 100vh var(--oa-warm); color: var(--oa-ink); }
body.openai-home-page .home-footer-inner { min-height: 620px; padding: 96px 0 32px; display: flex; flex-direction: column; }
body.openai-home-page .home-footer-brand-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 48px; }
body.openai-home-page .home-footer-logo img { width: 156px; max-height: 40px; object-fit: contain; filter: brightness(0); }
body.openai-home-page .home-footer-brand-row > p { max-width: 460px; margin: 0; color: var(--oa-ink); font-size: 34px; font-weight: 500; line-height: 1.08; letter-spacing: -.035em; }
body.openai-home-page .home-footer-nav { margin-top: 92px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 44px; }
body.openai-home-page .home-footer-nav > div { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
body.openai-home-page .home-footer-nav h2 { margin: 0 0 10px; color: var(--oa-muted); font-size: 13px; font-weight: 400; line-height: 18px; }
body.openai-home-page .home-footer-nav a { color: var(--oa-ink); font-size: 15px; line-height: 22px; }
body.openai-home-page .home-footer-nav a:hover,
body.openai-home-page .home-footer-nav a:focus-visible,
body.openai-home-page .home-footer-legal a:hover,
body.openai-home-page .home-footer-legal a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }

body.openai-home-page .home-footer-legal {
  margin-top: auto;
  padding-top: 28px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--oa-line);
}

body.openai-home-page .home-footer-legal p,
body.openai-home-page .home-footer-legal a { margin: 0; color: var(--oa-muted); font-size: 13px; line-height: 19px; }
body.openai-home-page .home-footer-legal > div { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 24px; }

@media (max-width: 1180px) {
  body.openai-home-page .home-nav-rail { padding-inline: 22px; gap: 16px; }
  body.openai-home-page .home-site-header .nav-text-link { padding-inline: 9px; font-size: 13px; }
  body.openai-home-page .home-contact-link { padding-inline: 16px; font-size: 13px; }
  body.openai-home-page .oa-feature { gap: 62px; }
}

/* Mobile navigation */
@media (max-width: 1024px) {
  body.openai-home-page .home-desktop-nav { display: none; }
  body.openai-home-page .home-menu-toggle {
    position: absolute;
    z-index: 3;
    top: 12px;
    right: 20px;
    width: 44px;
    height: 44px;
    padding: 0;
    display: block;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, .32);
    cursor: pointer;
  }

  body.openai-home-page .home-menu-toggle span {
    position: absolute;
    top: 19px;
    left: 13px;
    width: 18px;
    height: 1.5px;
    background: var(--oa-ink);
    transition: top 240ms ease, transform 240ms ease;
  }

  body.openai-home-page .home-menu-toggle span:last-child { top: 25px; }
  body.openai-home-page .home-site-header.is-open { height: 100dvh; overflow-y: auto; border-color: transparent; background: #fff; backdrop-filter: none; }
  body.openai-home-page .home-site-header.is-open .home-menu-toggle span:first-child { top: 22px; transform: rotate(45deg); }
  body.openai-home-page .home-site-header.is-open .home-menu-toggle span:last-child { top: 22px; transform: rotate(-45deg); }
  body.openai-home-page .home-mobile-menu {
    position: absolute;
    top: 88px;
    right: 20px;
    left: 20px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 220ms ease, transform 220ms ease;
  }

  body.openai-home-page .home-site-header.is-open .home-mobile-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
  body.openai-home-page .home-mobile-menu > a {
    padding: 14px 0 17px;
    border-bottom: 1px solid var(--oa-line);
    color: var(--oa-ink);
    font-size: clamp(28px, 5.8vw, 42px);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -.035em;
  }
}

@media (max-width: 810px) {
  body.openai-home-page .oa-business-inner,
  body.openai-home-page .oa-principles-inner,
  body.openai-home-page .oa-final-cta-inner,
  body.openai-home-page .home-footer-inner { width: calc(100% - 40px); }

  body.openai-home-page .home-nav-rail { padding-inline: 20px; }
  body.openai-home-page .home-wordmark img { width: 118px; }
  body.openai-home-page .openai-hero-shell,
  body.openai-home-page .openai-hero,
  body.openai-home-page .openai-hero-inner { min-height: 820px; }
  body.openai-home-page .openai-hero-inner { width: calc(100% - 40px); padding: 116px 0 46px; gap: 66px; }
  body.openai-home-page .openai-hero h1 { font-size: clamp(56px, 11vw, 74px); }
  body.openai-home-page .openai-partner-logos { grid-template-columns: repeat(2, 1fr); gap: 27px 34px; }
  body.openai-home-page .oa-business-heading { min-height: 560px; padding: 96px 0; }

  body.openai-home-page .oa-feature,
  body.openai-home-page .oa-feature-reverse {
    min-height: 0;
    padding: 82px 0 104px;
    grid-template-columns: 1fr;
    gap: 50px;
  }

  body.openai-home-page .oa-feature-reverse .oa-feature-copy,
  body.openai-home-page .oa-feature-reverse .oa-feature-media { order: initial; }
  body.openai-home-page .oa-feature-copy { max-width: 660px; }
  body.openai-home-page .oa-feature-copy p { max-width: 600px; }
  body.openai-home-page .oa-feature-media { width: 100%; min-height: 430px; }
  body.openai-home-page .oa-scenes { padding: 124px 0 110px; }

  body.openai-home-page .oa-scene-track,
  body.openai-home-page .oa-principle-grid {
    width: calc(100vw - 20px);
    margin-right: -20px;
    overflow-x: auto;
    grid-auto-flow: column;
    grid-auto-columns: minmax(320px, 78vw);
    grid-template-columns: none;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  body.openai-home-page .oa-scene-track::-webkit-scrollbar,
  body.openai-home-page .oa-principle-grid::-webkit-scrollbar { display: none; }
  body.openai-home-page .oa-scene-card,
  body.openai-home-page .oa-principle-grid article { scroll-snap-align: start; }
  body.openai-home-page .oa-principles { padding: 112px 0 124px; }
  body.openai-home-page .oa-principle-grid { margin-top: 66px; }
  body.openai-home-page .oa-final-cta-inner { min-height: 620px; padding: 96px 0; }
  body.openai-home-page .home-footer-inner { min-height: 700px; padding: 72px 0 28px; }
  body.openai-home-page .home-footer-nav { margin-top: 72px; grid-template-columns: repeat(2, 1fr); gap: 52px 32px; }
}

@media (max-width: 560px) {
  body.openai-home-page .openai-hero-shell,
  body.openai-home-page .openai-hero,
  body.openai-home-page .openai-hero-inner { min-height: 790px; }
  body.openai-home-page .openai-hero-inner { padding-top: 110px; gap: 54px; }
  body.openai-home-page .openai-hero-kicker { margin-bottom: 22px; font-size: 11px; }
  body.openai-home-page .openai-hero h1 { font-size: 39px; line-height: 1.04; letter-spacing: -.045em; }
  body.openai-home-page .openai-hero-lead { margin-top: 23px; font-size: 16px; line-height: 25px; }
  body.openai-home-page .openai-hero-actions { width: 100%; margin-top: 27px; flex-direction: column; }
  body.openai-home-page .openai-pill { width: 100%; }
  body.openai-home-page .openai-partners { gap: 23px; }
  body.openai-home-page .openai-partner-logos img { max-width: 116px; max-height: 28px; }

  body.openai-home-page .oa-business-heading h2,
  body.openai-home-page .oa-scenes-heading h2,
  body.openai-home-page .oa-principles h2,
  body.openai-home-page .oa-final-cta h2 { font-size: 43px; line-height: 1.03; letter-spacing: -.045em; }

  body.openai-home-page .oa-business-heading { min-height: 500px; }
  body.openai-home-page .oa-feature { padding: 68px 0 86px; gap: 40px; }
  body.openai-home-page .oa-feature-copy h3 { font-size: 30px; }
  body.openai-home-page .oa-feature-copy p { margin-top: 19px; font-size: 16px; line-height: 26px; }
  body.openai-home-page .oa-feature-media { min-height: 350px; }
  body.openai-home-page .oa-software-media { padding: 20px; }
  body.openai-home-page .oa-window { min-height: 310px; }
  body.openai-home-page .oa-window-body { grid-template-columns: 1fr; }
  body.openai-home-page .oa-code-panel { padding: 44px 28px; border-right: 0; }
  body.openai-home-page .oa-device-panel { display: none; }
  body.openai-home-page .oa-cloud-media { min-height: 380px; }
  body.openai-home-page .oa-cloud-ring.ring-one { width: 220px; height: 220px; }
  body.openai-home-page .oa-cloud-ring.ring-two { width: 330px; height: 330px; }
  body.openai-home-page .oa-cloud-core { width: 120px; height: 120px; }
  body.openai-home-page .node-one { top: 14%; left: 9%; }
  body.openai-home-page .node-two { top: 17%; right: 8%; }
  body.openai-home-page .node-three { bottom: 13%; left: 12%; }
  body.openai-home-page .node-four { right: 11%; bottom: 15%; }
  body.openai-home-page .oa-enterprise-media { min-height: 420px; padding: 18px; }
  body.openai-home-page .oa-service-card { padding: 17px; }
  body.openai-home-page .oa-service-main strong { font-size: 21px; }
  body.openai-home-page .oa-service-card span { font-size: 14px; }
  body.openai-home-page .oa-education-media { min-height: 390px; padding: 18px; grid-template-columns: 82px 1fr; }
  body.openai-home-page .oa-course-sidebar { padding: 16px 10px; }
  body.openai-home-page .oa-course-sidebar span { padding: 9px 8px; }
  body.openai-home-page .oa-course-content { padding: 24px 18px; }
  body.openai-home-page .oa-course-content > strong { font-size: 20px; }
  body.openai-home-page .oa-course-list { margin-top: 32px; }
  body.openai-home-page .oa-scenes-heading p { font-size: 16px; line-height: 26px; }
  body.openai-home-page .oa-scene-track { margin-top: 66px; grid-auto-columns: minmax(300px, 87vw); }
  body.openai-home-page .oa-scene-card { min-height: 520px; }
  body.openai-home-page .oa-scene-visual { height: 330px; }
  body.openai-home-page .oa-principle-grid { grid-auto-columns: minmax(290px, 86vw); }
  body.openai-home-page .oa-principle-grid article { min-height: 300px; }
  body.openai-home-page .oa-final-cta-inner { min-height: 590px; }
  body.openai-home-page .oa-final-cta p { font-size: 16px; line-height: 26px; }
  body.openai-home-page .home-footer-brand-row { flex-direction: column; }
  body.openai-home-page .home-footer-brand-row > p { font-size: 29px; }
  body.openai-home-page .home-footer-nav { margin-top: 64px; gap: 44px 24px; }
  body.openai-home-page .home-footer-legal { margin-top: 72px; align-items: flex-start; flex-direction: column; }
  body.openai-home-page .home-footer-legal > div { justify-content: flex-start; }
}

@media (prefers-reduced-motion: no-preference) {
  body.openai-home-page .openai-hero-atmosphere { animation: oa-atmosphere 18s ease-in-out infinite alternate; }
}

@keyframes oa-atmosphere {
  from { transform: translate3d(-1.5%, -1%, 0) scale(1); }
  to { transform: translate3d(1.5%, 1%, 0) scale(1.04); }
}

/* 2026-09-12: user-approved site-wide light treatment. */
body.openai-home-page { background: #fff; }
body.openai-home-page .oa-business { background: #f6f6f3; color: var(--oa-ink); }
body.openai-home-page .oa-business-heading h2,
body.openai-home-page .oa-scenes-heading h2,
body.openai-home-page .oa-feature-copy h3 { color: var(--oa-ink); }
body.openai-home-page .oa-feature-copy p,
body.openai-home-page .oa-scenes-heading p { color: #676763; }
body.openai-home-page .oa-feature-copy a { color: var(--oa-ink); text-decoration-color: rgba(13, 13, 13, .34); }

body.openai-home-page .oa-feature-media {
  border-color: rgba(13, 13, 13, .13);
  background: #eef0f8;
  box-shadow: 0 28px 70px rgba(35, 35, 54, .11), inset 0 1px rgba(255, 255, 255, .8);
}

body.openai-home-page .oa-software-media {
  background: radial-gradient(circle at 16% 13%, rgba(123, 102, 255, .22), transparent 31%), linear-gradient(145deg, #f8f7fb, #e7e9f4 72%);
}
body.openai-home-page .oa-window { border-color: rgba(13, 13, 13, .12); background: rgba(255, 255, 255, .84); box-shadow: 0 24px 54px rgba(43, 40, 76, .12); }
body.openai-home-page .oa-window-bar { border-color: rgba(13, 13, 13, .09); color: rgba(13, 13, 13, .45); }
body.openai-home-page .oa-window-bar i { background: rgba(13, 13, 13, .22); }
body.openai-home-page .oa-code-panel { border-color: rgba(13, 13, 13, .08); }
body.openai-home-page .oa-code-line { background: rgba(13, 13, 13, .12); box-shadow: 28px 0 0 rgba(100, 97, 220, .2); }
body.openai-home-page .oa-device-panel { color: rgba(13, 13, 13, .52); }
body.openai-home-page .oa-device-panel strong { color: var(--oa-ink); }
body.openai-home-page .oa-device-panel i { border-color: rgba(13, 13, 13, .18); background: linear-gradient(145deg, rgba(127, 106, 255, .21), rgba(255, 255, 255, .6)); }

body.openai-home-page .oa-cloud-media { background: radial-gradient(circle at 50% 48%, rgba(124, 130, 235, .24), transparent 19%), radial-gradient(circle at 50% 50%, rgba(112, 92, 255, .11), transparent 52%), #eef0f8; }
body.openai-home-page .oa-cloud-ring { border-color: rgba(85, 83, 154, .21); }
body.openai-home-page .oa-cloud-core { border-color: rgba(13, 13, 13, .14); background: rgba(255, 255, 255, .91); box-shadow: 0 0 62px rgba(101, 92, 255, .18); }
body.openai-home-page .oa-cloud-core span { color: rgba(13, 13, 13, .46); }
body.openai-home-page .oa-cloud-core strong { color: var(--oa-ink); }
body.openai-home-page .oa-cloud-node { border-color: rgba(13, 13, 13, .13); background: rgba(255, 255, 255, .84); color: rgba(13, 13, 13, .72); }

body.openai-home-page .oa-enterprise-media { background: radial-gradient(circle at 84% 12%, rgba(99, 81, 255, .15), transparent 31%), linear-gradient(145deg, #f3f2f7, #e5e7f0); }
body.openai-home-page .oa-service-card { border-color: rgba(13, 13, 13, .12); background: rgba(255, 255, 255, .67); color: rgba(13, 13, 13, .65); }
body.openai-home-page .oa-service-main { background: rgba(255, 255, 255, .86); }
body.openai-home-page .oa-service-main strong,
body.openai-home-page .oa-service-card span { color: var(--oa-ink); }
body.openai-home-page .oa-service-main small,
body.openai-home-page .oa-service-card i { color: rgba(13, 13, 13, .43); }

body.openai-home-page .oa-education-media { background: linear-gradient(145deg, rgba(101, 90, 194, .17), transparent 46%), #eef0f6; }
body.openai-home-page .oa-course-sidebar { border-color: rgba(13, 13, 13, .11); background: rgba(255, 255, 255, .43); }
body.openai-home-page .oa-course-sidebar span { color: rgba(13, 13, 13, .45); }
body.openai-home-page .oa-course-sidebar .is-active { background: rgba(13, 13, 13, .07); color: var(--oa-ink); }
body.openai-home-page .oa-course-content { border-color: rgba(13, 13, 13, .11); background: rgba(255, 255, 255, .78); }
body.openai-home-page .oa-course-content > p { color: rgba(13, 13, 13, .45); }
body.openai-home-page .oa-course-content > strong { color: var(--oa-ink); }
body.openai-home-page .oa-course-list span { border-color: rgba(13, 13, 13, .1); color: rgba(13, 13, 13, .75); }

body.openai-home-page .oa-scenes-heading .oa-light-pill { border-color: var(--oa-ink); background: var(--oa-ink); color: #fff; }
body.openai-home-page .oa-scene-card { border-color: rgba(13, 13, 13, .13); background: #fff; }
body.openai-home-page .oa-scene-card:hover,
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