.hidden-message-section {
  background: radial-gradient(circle at 72% 34%, rgba(124, 0, 17, .16), transparent 28%), linear-gradient(145deg, #070707, #110106 70%, #020202);
  overflow: hidden;
}

.hidden-message-intro {
  align-items: end;
  display: grid;
  gap: 1.25rem;
  margin-bottom: clamp(1.5rem, 4vw, 3rem);
}

.hidden-message-intro .lede { max-width: 38rem; }

.hidden-message-stage {
  aspect-ratio: 16 / 9;
  background: #030303;
  border: 1px solid rgba(255, 255, 255, .2);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .48), 0 0 0 .35rem rgba(104, 0, 14, .12);
  isolation: isolate;
  overflow: hidden;
  position: relative;
}

.hidden-message-stage::after {
  background: linear-gradient(90deg, rgba(0, 0, 0, .28), transparent 18%, transparent 82%, rgba(0, 0, 0, .28));
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: 2;
}

.hidden-message-player,
.hidden-message-player iframe {
  border: 0;
  height: 100%;
  inset: 0;
  position: absolute;
  width: 100%;
}

.hidden-message-play {
  align-items: center;
  background: rgba(4, 4, 4, .88);
  border: 1px solid rgba(255, 255, 255, .52);
  color: #fff;
  cursor: pointer;
  display: flex;
  font: 800 clamp(.68rem, 1.3vw, .82rem)/1 sans-serif;
  gap: .8rem;
  bottom: .75rem;
  left: .75rem;
  letter-spacing: .14em;
  padding: 1rem 1.15rem;
  position: absolute;
  text-transform: uppercase;
  transform: none;
  z-index: 3;
}

.hidden-message-play:hover,
.hidden-message-play:focus-visible { background: #8f0017; border-color: #fff; }
.hidden-message-play:focus-visible { outline: 2px solid #fff; outline-offset: .22rem; }
.hidden-message-play[hidden] { display: none; }

.hidden-code-panel {
  background: linear-gradient(135deg, rgba(18, 18, 18, .98), rgba(5, 5, 5, .98));
  border: 1px solid rgba(255, 255, 255, .18);
  border-top: 3px solid #8f0017;
  color: #fff;
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.25rem, 4vw, 2.4rem);
}

.hidden-code-panel p { margin: 0; }
.hidden-code-form label,
.hidden-reward-flow label { display: block; font-size: .72rem; font-weight: 800; letter-spacing: .13em; margin-bottom: .55rem; text-transform: uppercase; }
.hidden-code-entry { display: grid; gap: .75rem; }
.hidden-code-entry input,
.hidden-code-entry select { background: #050505; border: 1px solid rgba(255, 255, 255, .38); border-radius: 0; color: #fff; font: inherit; min-height: 3.15rem; padding: .75rem .9rem; width: 100%; }
.hidden-code-entry input:focus,
.hidden-code-entry select:focus { border-color: #d9082d; outline: 2px solid rgba(217, 8, 45, .28); outline-offset: 2px; }
.hidden-code-feedback { color: #e9a3af; min-height: 1.4em; }
.hidden-code-feedback.is-success { color: #fff; font-weight: 800; }
.hidden-reward-flow { border-top: 1px solid rgba(255, 255, 255, .18); padding-top: 1.25rem; }
.hidden-reward-flow[hidden] { display: none; }
.hidden-reward-flow h3 { color: #fff; font-size: clamp(1.8rem, 5vw, 3.6rem); margin: 0 0 .6rem; }
.hidden-reward-flow > p { margin-bottom: 1.15rem; }

@media (min-width: 48rem) {
  .hidden-message-intro { grid-template-columns: minmax(0, 1fr) minmax(18rem, .65fr); }
  .hidden-code-panel { grid-template-columns: minmax(14rem, .55fr) minmax(22rem, 1fr); }
  .hidden-code-panel > :nth-child(n + 3) { grid-column: 1 / -1; }
  .hidden-code-entry { grid-template-columns: minmax(0, 1fr) auto; }
}

@media (max-width: 35rem) {
  .hidden-message-stage { aspect-ratio: 4 / 3; }
  .hidden-message-player iframe { transform: scale(1.34); }
  .hidden-message-play { max-width: calc(100% - 2rem); white-space: nowrap; }
}