.brief-product-story {
  --product-intro-opacity: 1;
  position: relative;
  height: 280svh;
  min-height: 1700px;
  background: #111111;
  border-top: 1px solid #ffffff20;
  isolation: isolate;
}
.brief-product-stage { position: sticky; top: 0; height: 100svh; min-height: 580px; overflow: clip; }
.brief-product-stage::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse at 62% 42%, #31313169, transparent 58%); }
.brief-product-chat .brief-product-stage::before { background: radial-gradient(ellipse at 50% 44%, #3a3a3a66, transparent 62%); }
.brief-product-header { position: absolute; z-index: 3; top: 22px; left: 5vw; right: 5vw; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.brief-product-eyebrow { margin: 0; color: #aeaeae; font-size: 10px; line-height: 1.5; letter-spacing: .16em; text-transform: uppercase; }
.brief-product-switch { display: flex; align-items: center; gap: 18px; }
.brief-product-switch a { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: #adadad; font-size: 11px; text-decoration: none; }
.brief-product-switch a[aria-current] { color: #f2f2f2; }
.brief-product-switch span { font-size: 15px; }
.brief-product-intro { position: absolute; z-index: 2; top: 15svh; left: 6vw; opacity: var(--product-intro-opacity); pointer-events: none; }
.brief-product-intro h2 { margin: 0; font-size: clamp(48px, 6vw, 88px); font-weight: 600; line-height: 1.02; letter-spacing: -.065em; }
.brief-product-intro h2 span { color: #cecece; }
.brief-product-intro p { max-width: 30ch; margin: 18px 0 0; color: #ababab; font-size: 14px; line-height: 1.6; letter-spacing: -.015em; }
.brief-product-chat .brief-product-intro h2 { font-size: clamp(44px, 5vw, 72px); }
.brief-product-art { position: absolute; inset: 0; }
.brief-product-canvas { display: block; width: 100%; height: 100%; pointer-events: none; }
.brief-product-bottom { position: absolute; z-index: 3; bottom: max(20px, env(safe-area-inset-bottom)); left: 6vw; right: 6vw; }
.brief-product-status { pointer-events: none; }
.brief-product-status h3 { margin: 0; font-size: clamp(20px, 2.3vw, 32px); font-weight: 600; letter-spacing: -.045em; line-height: 1.2; }
.brief-product-status p { margin: 8px 0 0; color: #adadad; font-size: 13px; line-height: 1.5; }
.brief-product-disclaimer { display: flex; justify-content: space-between; gap: 20px; margin: 14px 0 0; color: #878787; font-size: 9px; line-height: 1.5; letter-spacing: .025em; }
.brief-product-fallback { position: absolute; inset: 25% 6% 25%; display: grid; place-items: center; }
.is-product-ready > .brief-product-fallback { display: block; position: absolute; inset: auto; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); clip-path: inset(50%); white-space: nowrap; }
.brief-product-still { display: none; width: min(100%, 420px); padding: 0; border: 0; color: #f5f5f5; }
.brief-product-still-image { position: relative; width: 100%; aspect-ratio: var(--screen-aspect, 1); overflow: hidden; border: 1px solid #ffffff30; border-radius: 14px; background: #fff; }
.brief-product-still-image > img { display: block; width: 100%; height: auto; transform: translateY(var(--screen-offset, 0%)); }
.brief-product-phone-poster { display: block; width: auto; max-width: 100%; height: min(37svh, 420px); margin-inline: auto; }
.brief-product-quote-mark { display: block; width: 64px; height: 64px; padding: 12px; background: #fff; border-radius: 50%; }
.brief-product-still-quote blockquote { margin: 22px 0; color: #f5f5f5; font-size: clamp(34px, 4vw, 56px); line-height: 1.1; letter-spacing: -.055em; font-weight: 600; }
.brief-product-story[data-product-phase='0'] [data-product-still='0'], .brief-product-story[data-product-phase='1'] [data-product-still='1'], .brief-product-story[data-product-phase='2'] [data-product-still='2'], .brief-product-story[data-product-phase='3'] [data-product-still='3'] { display: block; }
.brief-product-card-kicker { margin: 0 0 14px; color: #b5b5b5; font-size: 10px; letter-spacing: .11em; text-transform: uppercase; }
.brief-product-card-tag { display: block; margin: 14px 0 0; color: #adadad; font-size: 10px; line-height: 1.5; }
.brief-product-story[data-product-static='true'] { height: auto; min-height: 0; }
.brief-product-story[data-product-static='true'] .brief-product-stage { position: relative; height: auto; min-height: 0; overflow: visible; padding: 30px 6vw; }
.brief-product-story[data-product-static='true'] .brief-product-header { position: relative; inset: auto; }
.brief-product-story[data-product-static='true'] .brief-product-intro { position: relative; inset: auto; opacity: 1; margin: 30px 0; }
.brief-product-story[data-product-static='true'] .brief-product-art { position: relative; inset: auto; }
.brief-product-story[data-product-static='true'] .brief-product-canvas { display: none; }
.brief-product-story[data-product-static='true'] .brief-product-fallback { position: relative; inset: auto; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; align-items: start; }
.brief-product-story[data-product-static='true'] .brief-product-still { display: block; width: 100%; padding: 0; opacity: 1; }
.brief-product-story[data-product-static='true'] .brief-product-bottom { position: relative; inset: auto; margin-top: 35px; }
.brief-product-story[data-product-static='true'] .brief-product-disclaimer > span { visibility: hidden; }
@media (max-width: 899px) {
  .brief-product-story { height: 260svh; min-height: 1500px; }
  .brief-product-header { top: 14px; left: 24px; right: 24px; }
  .brief-product-eyebrow { max-width: 18ch; font-size: 9px; }
  .brief-product-switch { gap: 14px; }.brief-product-switch a { font-size: 10px; gap: 6px; }
  .brief-product-intro { top: 12svh; left: 24px; right: 24px; }
  .brief-product-intro h2 { font-size: clamp(40px, 8vw, 62px); }
  .brief-product-chat .brief-product-intro h2 { font-size: clamp(36px, 7.5vw, 58px); }
  .brief-product-intro p { margin-top: 12px; font-size: 12px; }
  .brief-product-bottom { left: 24px; right: 24px; bottom: max(18px, env(safe-area-inset-bottom)); }
  .brief-product-status h3 { font-size: 23px; }.brief-product-status p { font-size: 12px; max-width: 36ch; min-height: 36px; }
  .brief-product-disclaimer { margin-top: 12px; font-size: 8px; }
  .brief-product-fallback { inset: 30% 24px 30%; }.brief-product-still { padding: 0; }
  .brief-product-story[data-product-static='true'] .brief-product-fallback { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 540px) {
  .brief-product-story[data-product-static='true'] .brief-product-fallback { grid-template-columns: 1fr; }
  .brief-product-header { left: 20px; right: 20px; }.brief-product-intro { left: 20px; right: 20px; }.brief-product-bottom { left: 20px; right: 20px; }
  .brief-product-intro h2 { font-size: 45px; }.brief-product-chat .brief-product-intro h2 { font-size: 37px; }
  .brief-product-disclaimer span { display: none; }
}
@media (max-height: 750px) {
  .brief-product-status h3 { font-size: 20px; }.brief-product-status p { font-size: 11px; }
  .brief-product-intro { top: 12svh; }.brief-product-intro h2 { font-size: clamp(36px, 5vw, 62px); }.brief-product-chat .brief-product-intro h2 { font-size: clamp(33px, 4.5vw, 54px); }
  .brief-product-fallback { inset-block: 25% 29%; }.brief-product-card-tag { margin-top: 15px; }
}
@media (prefers-reduced-motion: reduce) { .brief-product-stage { scroll-behavior: auto; } }