* { box-sizing: border-box; }
:root { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #f0f6f2; background: #080e0d; font-synthesis: none; }
body { margin: 0; min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 24px 22px; background: radial-gradient(ellipse at 28% 46%, #132c23 0%, #0b1612 34%, #080e0d 65%); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #e3ff9d; outline-offset: 5px; }
.share-card { width: min(100%, 900px); display: grid; grid-template-columns: minmax(240px, 320px) minmax(0, 1fr); gap: clamp(40px, 7vw, 92px); align-items: center; }
.film { position: relative; width: 100%; border: 1px solid #2c443a; border-radius: 24px; overflow: hidden; background: #080e0d; box-shadow: 0 22px 100px #0006, 0 0 80px #81d4a308; }
.film-link { display: block; text-decoration: none; }
video { display: block; width: 100%; height: auto; aspect-ratio: 512 / 910; object-fit: contain; }
.motion { position: absolute; right: 12px; bottom: 12px; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; border: 1px solid #688a7870; color: #eaf6ef; background: #11251dd9; cursor: pointer; }
.motion svg { width: 18px; height: 18px; fill: currentColor; }
.intro { padding-top: 8px; }
.eyebrow { color: #c9f178; font-size: .875rem; font-weight: 650; letter-spacing: .13em; text-transform: uppercase; margin: 0 0 15px; }
h1 { margin: 0; font-size: clamp(2.75rem, 5.5vw, 4.5rem); font-weight: 750; line-height: 1.08; letter-spacing: -.055em; }
.period { color: #c9f178; }
.challenge { font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.4; font-weight: 500; letter-spacing: -.02em; margin: 20px 0 10px; }
.description { color: #aabbb2; font-size: 1rem; line-height: 1.65; margin: 0 0 30px; }
.actions { display: grid; gap: 12px; max-width: 356px; }
.button { width: 100%; min-height: 56px; display: flex; justify-content: center; align-items: center; gap: 10px; padding: 14px 16px; border-radius: 12px; font-size: 1rem; font-weight: 650; line-height: 1.4; text-align: center; text-decoration: none; cursor: pointer; transition: background .15s ease, border-color .15s ease; }
.button svg { width: 22px; height: 22px; flex: 0 0 22px; }
.primary { color: #12200c; background: #c9f178; border: 1px solid #c9f178; }
.primary:hover { background: #dcff9e; border-color: #dcff9e; }
.secondary { color: #e1eae4; background: #152019; border: 1px solid #34493d; }
.secondary:hover { background: #203126; border-color: #708d79; }
.fine-print { color: #94a79c; font-size: .8125rem; line-height: 1.6; margin: 14px 0 0; }
.auto-open { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; color: #afc1b6; font-size: .875rem; margin-top: 12px; }
.auto-open button { color: #d4f29f; background: none; border: 0; padding: 10px 0; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.status { color: #d4f29f; font-size: .875rem; line-height: 1.5; margin: 12px 0 0; min-height: 21px; }
.copy-fallback { max-width: 356px; padding: 14px; margin-top: 10px; background: #16251c; border: 1px solid #3c5242; border-radius: 12px; }
.copy-fallback label { display: block; font-size: .875rem; margin-bottom: 10px; }
.copy-fallback input { width: 100%; min-height: 44px; background: #080e0d; color: #e4eddf; border: 1px solid #668270; border-radius: 6px; padding: 8px; font-size: 1rem; }
.copy-fallback p, .noscript { font-size: .875rem; color: #aabbb2; line-height: 1.5; }
footer { color: #81958a; font-size: .8125rem; line-height: 1.6; text-align: center; margin-top: 40px; }
@media (max-width: 650px) {
  body { padding: 24px 22px max(18px, env(safe-area-inset-bottom)); justify-content: flex-start; background: radial-gradient(ellipse at 50% 23%, #183327 0%, #0b1612 40%, #080e0d 73%); }
  .share-card { display: flex; flex-direction: column; gap: 22px; max-width: 400px; }
  .film { width: clamp(172px, 46vw, 225px); border-radius: 18px; }
  .intro { width: 100%; padding: 0; text-align: center; }
  .eyebrow { margin-bottom: 8px; font-size: .8125rem; }
  h1 { font-size: clamp(2.5rem, 10vw, 3rem); }
  .challenge { margin: 12px 0 8px; font-size: 1.1875rem; }
  .description { margin-bottom: 20px; }
  .actions, .copy-fallback { max-width: none; }
  .button { min-height: 54px; }
  .fine-print { margin-top: 12px; }
  .auto-open { justify-content: center; }
  .status { min-height: 0; }
  footer { margin-top: 24px; }
}
@media (prefers-reduced-motion: reduce) { .button { transition: none; } }