:root { color-scheme: dark; font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #f3f6fc; background: #10284d; }
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(ellipse at 90% 0%, #144e94 0, transparent 48%), #10284d; min-height: 100vh; }
main { max-width: 1264px; margin: auto; padding: 0 40px; }
.masthead { display: flex; justify-content: space-between; align-items: center; padding: 32px 0; border-bottom: 1px solid #ffffff26; }
.wordmark { font-size: 25px; font-weight: 850; letter-spacing: -1.1px; }
.wordmark span { font-size: 15px; letter-spacing: 1.4px; margin-left: 5px; }
.product { font-size: 11px; font-weight: 600; letter-spacing: 1.9px; color: #c7d7ed; }
.product span { padding: 0 13px; color: #8cbfff; }
.intro { display: flex; justify-content: space-between; align-items: end; gap: 25px; padding: 43px 0 31px; }
.eyebrow { margin: 0 0 16px; font-size: 11px; letter-spacing: 1.75px; font-weight: 700; color: #a3cdff; }
h1 { font-size: clamp(32px, 4vw, 51px); font-weight: 560; line-height: 1.08; letter-spacing: -1.6px; margin: 0; }
.description { color: #c3d2e6; max-width: 600px; font-size: 15px; line-height: 1.6; margin: 18px 0 0; }
.duration { font-size: 12px; color: #bcd0ec; letter-spacing: 1px; white-space: nowrap; margin-bottom: 2px; }
.video-frame { border: 1px solid #ffffff32; border-radius: 10px; overflow: hidden; background: #081931; box-shadow: 0 24px 60px #030b1650; }
video { display: block; width: 100%; aspect-ratio: 16/9; }
.video-bar { padding: 17px 0; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.caption { font-size: 13px; color: #e5edfa; }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #8cbfff; margin-right: 8px; vertical-align: 1px; }
.muted { color: #a7bddb; margin-left: 3px; }
.actions { display: flex; align-items: center; gap: 23px; }
button, .actions a { appearance: none; background: none; border: 0; color: #e3ecfa; font: inherit; font-size: 13px; text-decoration: none; cursor: pointer; padding: 8px 0; }
button:hover, a:hover { color: #c3e0ff; }
button:focus-visible, a:focus-visible, video:focus-visible, summary:focus-visible { outline: 2px solid #a3cdff; outline-offset: 5px; }
.transcript { border-top: 1px solid #ffffff26; padding: 16px 0; font-size: 13px; line-height: 1.7; color: #c4d5ed; }
.transcript summary { cursor: pointer; color: #e1edff; width: fit-content; }
.transcript ol { max-width: 960px; padding-left: 21px; margin-bottom: 0; }
.transcript li + li { margin-top: 7px; }
.sources { margin: 3px 0 23px; font-size: 11px; line-height: 1.7; color: #b2c6e2; }
.sources a { color: #c6ddff; text-underline-offset: 3px; }
footer { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #ffffff26; padding: 24px 0 30px; font-size: 12px; color: #afc2de; }
footer strong { font-weight: 650; color: #d6e5fa; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 640px) {
  main { padding: 0 19px; }
  .masthead { padding: 24px 0; }
  .product { font-size: 9px; letter-spacing: 1px; }
  .product span { padding: 0 6px; }
  .intro { padding: 30px 0 25px; }
  .eyebrow { font-size: 10px; letter-spacing: 1px; }
  h1 { letter-spacing: -1px; }
  .description { font-size: 14px; }
  .duration { display: none; }
  .video-bar { flex-direction: column; align-items: flex-start; gap: 9px; }
  footer { flex-direction: column; gap: 7px; padding: 20px 0; }
}