:root {
  color-scheme: dark;
  --bg: #050505;
  --surface: #0e0e0e;
  --text: #ffffff;
  --muted: #a0a0a0;
  --line: #242424;
  --accent: #c0202a;
  --accent-bright: #ff4d5b;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: transparent;
}

.overlay-stage {
  display: flex;
  align-items: flex-end;
  width: 100%;
  height: 100%;
  padding: clamp(24px, 4vw, 72px);
}

.shop-promo {
  position: relative;
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  width: min(780px, calc(100vw - 48px));
  min-height: 142px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(5, 5, 5, 0.96);
  color: var(--text);
  opacity: 0;
  clip-path: inset(0 100% 0 0);
  transform: translateX(-36px);
  transition: clip-path 700ms var(--ease), opacity 180ms ease-out, transform 700ms var(--ease);
}

.shop-promo::before {
  content: "";
  position: absolute;
  z-index: 3;
  top: 0;
  left: 12px;
  width: 150px;
  height: 1px;
  background: var(--accent-bright);
  opacity: 0;
  transform: translateX(-170px);
}

.shop-promo.is-visible {
  opacity: 1;
  clip-path: inset(0 0 0 0);
  transform: translateX(0);
}

.shop-promo.is-visible::before {
  animation: top-scan 2.4s var(--ease) 450ms both;
}

.signal {
  position: relative;
  overflow: hidden;
  background: var(--accent);
}

.signal i {
  position: absolute;
  inset: -35% 0;
  background: var(--accent-bright);
  transform: translateY(-70%);
}

.is-visible .signal i {
  animation: signal-scan 1.8s var(--ease) 350ms both;
}

.promo-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 26px 34px;
}

.promo-label {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.promo-label {
  margin-bottom: 9px;
  opacity: 0;
  transform: translateY(8px);
}

.promo-copy h1 {
  margin: 0;
  font-family: "Barlow Semi Condensed", sans-serif;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.03em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(14px);
}

.shop-promo.is-giveaway .promo-copy h1 {
  font-size: clamp(40px, 4.2vw, 54px);
}

.shop-promo.is-giveaway .promo-copy {
  padding-inline: 28px;
}

.shop-promo.is-giveaway .promo-command strong {
  font-size: 42px;
  white-space: nowrap;
}

.shop-promo.is-giveaway .promo-label {
  color: var(--accent-bright);
  font-size: 14px;
}

.promo-copy em {
  color: var(--accent-bright);
  font-style: normal;
}

.promo-command {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 178px;
  padding: 24px 30px;
  border-left: 1px solid var(--line);
  background: var(--surface);
  opacity: 0;
  transform: translateX(18px);
}

.promo-command::before {
  content: "";
  position: absolute;
  inset: 0;
  right: auto;
  width: 3px;
  background: var(--accent-bright);
  transform: scaleY(0);
  transform-origin: center;
}

.promo-command::after {
  content: none;
}

.promo-command strong {
  position: relative;
  z-index: 1;
  color: var(--accent-bright);
  font-family: "Barlow Semi Condensed", sans-serif;
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.command-mark {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 142px;
  padding: 14px 22px 16px;
}

.command-snake {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
  stroke: var(--accent-bright);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.command-snake rect {
  stroke-dasharray: 16 84;
  stroke-linecap: square;
}

.is-visible .promo-label,
.is-visible .promo-copy h1,
.is-visible .promo-command {
  opacity: 1;
  transform: translate(0);
  transition: opacity 380ms ease-out, transform 650ms var(--ease);
}

.is-visible .promo-command::before {
  animation: command-flash 820ms var(--ease) 500ms both;
}

.is-visible .command-snake rect {
  animation: snake-run 1.35s linear 900ms infinite;
}

.is-visible .promo-label {
  transition-delay: 300ms;
}

.is-visible .promo-copy h1 {
  transition-delay: 390ms;
}

.is-visible .promo-command {
  transition-delay: 520ms;
}

.promo-progress {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 12px;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
}

.is-visible .promo-progress {
  animation: promo-progress 10s linear both;
}

.shop-promo.is-leaving {
  opacity: 0;
  clip-path: inset(0 0 0 100%);
  transform: translateX(40px);
  transition-duration: 520ms;
}

@keyframes signal-scan {
  0% { transform: translateY(-70%); }
  45%, 65% { transform: translateY(0); }
  100% { transform: translateY(70%); }
}

@keyframes top-scan {
  0% { opacity: 0; transform: translateX(-170px); }
  18% { opacity: 1; }
  82% { opacity: 1; }
  100% { opacity: 0; transform: translateX(760px); }
}

@keyframes command-flash {
  0% { transform: scaleY(0); }
  100% { transform: scaleY(1); }
}

@keyframes snake-run {
  to { stroke-dashoffset: -100; }
}

@keyframes promo-progress {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

@media (max-width: 700px) {
  .overlay-stage {
    padding: 18px;
  }

  .shop-promo {
    grid-template-columns: 8px minmax(0, 1fr);
    width: calc(100vw - 36px);
  }

  .promo-copy {
    padding: 20px;
  }

  .promo-copy h1 {
    font-size: clamp(27px, 8vw, 38px);
    white-space: normal;
  }

  .promo-command {
    grid-column: 2;
    min-width: 0;
    padding: 14px 20px 16px;
  }

  .promo-command strong {
    margin: 0;
    font-size: 26px;
  }

  .promo-progress {
    left: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .shop-promo,
  .is-visible .promo-label,
  .is-visible .promo-copy h1,
  .is-visible .promo-command {
    transition-duration: 1ms;
  }

  .is-visible .signal i {
    animation: none;
  }

  .shop-promo.is-visible::before,
  .is-visible .promo-command::before {
    animation: none;
  }

  .is-visible .command-snake rect {
    animation: none;
    stroke-dasharray: 100 0;
  }
}