:root {
  --signal-bg: #0b0d0e;
  --signal-deck: #121516;
  --signal-bone: #ece9e1;
  --signal-fog: #92938d;
  --signal-line: rgba(236, 233, 225, 0.16);
  --signal-amber: #d48b34;
  --signal-red: #ba4c31;
}

html {
  background: var(--signal-bg);
}

.signals-body {
  min-height: 100%;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% 28rem, rgba(212, 139, 52, 0.09), transparent 30rem),
    linear-gradient(180deg, #0b0d0e 0%, #0b0d0e 68%, #101313 100%);
  color: var(--signal-bone);
}

.signals-body .site-frame {
  color: var(--signal-bone);
}

.signals-main {
  width: min(var(--max), calc(100% - 2 * var(--gutter)));
  margin: 0 auto;
  padding-top: clamp(8rem, 14vh, 11rem);
}

.signals-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.55fr);
  gap: clamp(2rem, 8vw, 9rem);
  align-items: end;
  padding-bottom: clamp(2rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--signal-line);
}

.signals-intro h1 {
  max-width: 9ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(4.2rem, 10vw, 9.5rem);
  font-weight: 450;
  line-height: 0.78;
  letter-spacing: -0.075em;
}

.signals-intro h1 span {
  display: block;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
  font-size: clamp(0.62rem, 0.8vw, 0.75rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.signals-intro__copy {
  padding-bottom: 0.6rem;
}

.signals-intro__copy p {
  margin: 0;
  color: var(--signal-bone);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.55;
}

.signals-intro__copy .signals-instruction {
  margin-top: 1.2rem;
  color: var(--signal-fog);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.signal-instrument {
  position: relative;
  height: clamp(33rem, 65vw, 52rem);
  max-height: 78vh;
  min-height: 36rem;
  overflow: hidden;
  perspective: 1350px;
  touch-action: pan-y;
  cursor: grab;
  border-bottom: 1px solid var(--signal-line);
  background:
    linear-gradient(var(--signal-line), var(--signal-line)) center / 1px 100% no-repeat,
    linear-gradient(90deg, var(--signal-line), var(--signal-line)) center / 100% 1px no-repeat;
}

.signal-instrument.is-dragging {
  cursor: grabbing;
}

.signal-instrument__rail {
  position: absolute;
  z-index: 20;
  inset: 1.1rem 0 auto;
  display: flex;
  justify-content: space-between;
  color: var(--signal-fog);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  pointer-events: none;
}

.signal-instrument__rail span:last-child::before {
  content: "";
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--signal-amber);
  box-shadow: 0 0 1rem rgba(212, 139, 52, 0.8);
}

.signal-deck {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  transform-style: preserve-3d;
}

.video-card {
  --x: 0%;
  --y: 0%;
  --z: 0px;
  --rotate-y: 0deg;
  --scale: 1;
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: var(--layer, 1);
  width: clamp(21rem, 38vw, 35rem);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(236, 233, 225, 0.18);
  border-radius: 0.5rem;
  background: #15191a;
  box-shadow:
    0 2.2rem 6rem rgba(0, 0, 0, 0.48),
    inset 0 0 0 0.35rem #15191a,
    inset 0 0 0 0.42rem rgba(236, 233, 225, 0.08);
  opacity: var(--opacity, 0.35);
  transform:
    translate(-50%, -50%)
    translate3d(var(--x), var(--y), var(--z))
    rotateY(var(--rotate-y))
    scale(var(--scale));
  transform-style: preserve-3d;
  transition:
    transform 760ms var(--ease-out),
    opacity 420ms ease,
    border-color 300ms ease;
  pointer-events: none;
}

.video-card::before,
.video-card::after {
  content: "";
  position: absolute;
  z-index: 6;
  top: 50%;
  width: clamp(1.6rem, 3vw, 2.7rem);
  aspect-ratio: 1;
  border: 1px solid rgba(236, 233, 225, 0.2);
  border-radius: 50%;
  background:
    radial-gradient(circle, #0b0d0e 0 15%, transparent 17%),
    repeating-conic-gradient(from 0deg, rgba(236, 233, 225, 0.16) 0 8deg, transparent 8deg 22deg),
    #1e2222;
  box-shadow: 0 0 0 0.24rem rgba(11, 13, 14, 0.72);
  transform: translateY(-50%);
  pointer-events: none;
}

.video-card::before {
  left: 0.8rem;
}

.video-card::after {
  right: 0.8rem;
}

.video-card.is-near,
.video-card.is-active {
  pointer-events: auto;
}

.video-card.is-active {
  border-color: rgba(212, 139, 52, 0.7);
  box-shadow:
    0 2.8rem 7rem rgba(0, 0, 0, 0.58),
    0 0 3.5rem rgba(212, 139, 52, 0.09),
    inset 0 0 0 0.35rem #15191a,
    inset 0 0 0 0.42rem rgba(236, 233, 225, 0.12);
}

.video-card__select {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: #0b0d0e;
  color: var(--signal-bone);
  cursor: pointer;
  text-align: left;
}

.video-card__select::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 13, 14, 0.05), rgba(11, 13, 14, 0.15) 55%, rgba(11, 13, 14, 0.86)),
    linear-gradient(90deg, rgba(11, 13, 14, 0.62), transparent 18%, transparent 82%, rgba(11, 13, 14, 0.62));
}

.video-card__poster {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.66) contrast(1.04);
  transition: filter 360ms ease, transform 760ms var(--ease-out);
}

.video-card.is-active .video-card__poster {
  filter: saturate(0.9) contrast(1.04);
}

.video-card__label {
  position: absolute;
  z-index: 5;
  right: clamp(3.2rem, 7vw, 5.2rem);
  bottom: 1rem;
  left: clamp(3.2rem, 7vw, 5.2rem);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  pointer-events: none;
}

.video-card__label strong {
  max-width: 22rem;
  font-size: clamp(0.78rem, 1.2vw, 1rem);
  font-weight: 500;
  line-height: 1.2;
}

.video-card__label span {
  color: var(--signal-fog);
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.video-card__play {
  position: absolute;
  z-index: 8;
  top: 1rem;
  right: 1rem;
  min-width: 4.8rem;
  min-height: 2.7rem;
  border: 1px solid rgba(236, 233, 225, 0.42);
  border-radius: 99px;
  background: rgba(11, 13, 14, 0.84);
  color: var(--signal-bone);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-0.4rem);
  transition: opacity 220ms ease, transform 300ms var(--ease-out), border-color 180ms ease;
}

.video-card.is-active .video-card__play {
  opacity: 1;
  transform: none;
}

.video-card__play:hover,
.video-card__play:focus-visible {
  border-color: var(--signal-amber);
}

.video-frame {
  position: absolute;
  inset: 0;
  z-index: 7;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

.signal-console {
  display: grid;
  grid-template-columns: minmax(10rem, 0.28fr) minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: start;
  padding: clamp(2rem, 5vw, 4.5rem) 0;
  border-bottom: 1px solid var(--signal-line);
}

.signal-console__counter p,
.now-playing__creator,
.signal-index__heading > p {
  margin: 0;
  color: var(--signal-amber);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.signal-console__meter {
  height: 1px;
  margin-top: 1rem;
  overflow: hidden;
  background: var(--signal-line);
}

.signal-console__meter span {
  display: block;
  width: 20%;
  height: 100%;
  background: var(--signal-amber);
  transition: width 620ms var(--ease-out);
}

.now-playing h2 {
  max-width: 24ch;
  margin: 0.7rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.2vw, 4.5rem);
  font-weight: 450;
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.now-playing__note {
  max-width: 38rem;
  margin: 1.1rem 0 0;
  color: var(--signal-fog);
  font-size: 0.96rem;
  line-height: 1.6;
}

.now-playing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.2rem;
  margin-top: 1.5rem;
}

.signal-action,
.signal-control {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: var(--signal-bone);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-action--primary {
  color: var(--signal-amber);
}

.signal-action:hover,
.signal-action:focus-visible,
.signal-control:hover,
.signal-control:focus-visible {
  color: var(--signal-amber);
}

.signal-controls {
  display: grid;
  min-width: 8rem;
}

.signal-control {
  justify-content: space-between;
  width: 100%;
  color: var(--signal-fog);
}

.signal-control::after {
  content: "↗";
  margin-left: 1rem;
}

.signal-control--motion {
  font-size: 0.55rem;
  opacity: 0.68;
}

.signal-index {
  display: grid;
  grid-template-columns: minmax(13rem, 0.32fr) minmax(0, 1fr);
  gap: clamp(2rem, 8vw, 8rem);
  padding: clamp(4rem, 9vw, 9rem) 0;
}

.signal-index__heading h2 {
  margin: 0.7rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 450;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.signal-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-index__item {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: baseline;
  border-top: 1px solid var(--signal-line);
}

.signal-index__item:last-child {
  border-bottom: 1px solid var(--signal-line);
}

.signal-index__number {
  color: var(--signal-fog);
  font-family: var(--font-mono);
  font-size: 0.6rem;
}

.signal-index__select,
.signal-index__link {
  min-height: 4.2rem;
  border: 0;
  background: transparent;
  color: var(--signal-bone);
  cursor: pointer;
  text-align: left;
}

.signal-index__select {
  position: relative;
  padding: 0.85rem 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.7rem);
  line-height: 1.05;
}

.signal-index__select.is-active,
.signal-index__select:hover,
.signal-index__select:focus-visible {
  color: var(--signal-amber);
}

.signal-index__select.is-active::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -1rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--signal-amber);
  transform: translateY(-50%);
}

.signal-index__link {
  display: inline-flex;
  align-items: center;
  padding: 0;
  color: var(--signal-fog);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signal-index__link:hover,
.signal-index__link:focus-visible {
  color: var(--signal-bone);
}

.signal-fallback,
.signals-noscript {
  color: var(--signal-fog);
  line-height: 1.6;
}

.signal-fallback {
  grid-column: 2;
}

.signals-noscript {
  position: fixed;
  z-index: 100;
  inset: auto 1rem 1rem;
  margin: 0;
  padding: 1rem;
  background: var(--signal-bg);
  border: 1px solid var(--signal-line);
}

.signals-noscript a {
  color: var(--signal-amber);
  text-decoration: underline;
}

.signals-body .site-footer {
  color: var(--signal-bone);
  border-color: var(--signal-line);
}

@media (max-width: 900px) {
  .signals-intro {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .signals-intro h1 {
    max-width: 8ch;
  }

  .signal-console {
    grid-template-columns: minmax(7rem, 0.24fr) minmax(0, 1fr);
  }

  .signal-controls {
    grid-column: 2;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .signal-control {
    justify-content: center;
  }

  .signal-control::after {
    display: none;
  }
}

@media (max-width: 700px) {
  .signals-main {
    width: 100%;
    padding-top: 7.5rem;
  }

  .signals-intro,
  .signal-console,
  .signal-index {
    margin-inline: 1.25rem;
  }

  .signals-intro h1 {
    font-size: clamp(4rem, 20vw, 6.2rem);
  }

  .signal-instrument {
    height: auto;
    min-height: 0;
    max-height: none;
    padding: 4.5rem 0 2.5rem;
    cursor: default;
    perspective: none;
    touch-action: pan-y;
  }

  .signal-instrument__rail {
    inset-inline: 1.25rem;
  }

  .signal-deck {
    position: relative;
    inset: auto;
    display: flex;
    gap: 0.85rem;
    width: 100%;
    overflow-x: auto;
    padding: 1rem 1.25rem 2rem;
    scroll-padding-inline: 1.25rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .signal-deck::-webkit-scrollbar {
    display: none;
  }

  .video-card {
    position: relative;
    top: auto;
    left: auto;
    flex: 0 0 min(82vw, 31rem);
    width: auto;
    transform: none !important;
    opacity: 0.5 !important;
    pointer-events: auto;
    scroll-snap-align: center;
  }

  .video-card.is-active {
    opacity: 1 !important;
  }

  .video-card__label strong {
    max-width: 12rem;
  }

  .signal-console {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .signal-controls {
    grid-column: auto;
  }

  .now-playing h2 {
    font-size: clamp(2.4rem, 12vw, 4.2rem);
  }

  .signal-index {
    grid-template-columns: 1fr;
  }

  .signal-index__item {
    grid-template-columns: 1.5rem minmax(0, 1fr);
  }

  .signal-index__link {
    grid-column: 2;
    min-height: 2.5rem;
    padding-bottom: 0.7rem;
  }

  .signal-fallback {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .video-card,
  .video-card__poster,
  .video-card__play,
  .signal-console__meter span {
    transition: none;
  }
}

@media (forced-colors: active) {
  .video-card.is-active,
  .signal-index__select.is-active {
    outline: 3px solid CanvasText;
  }
}