:root {
  color-scheme: dark;
  --signal-bg: #080908;
  --signal-panel: rgba(7, 8, 7, .88);
  --signal-ink: #f2f2e9;
  --signal-muted: #a2a39b;
  --signal-dim: #71736d;
  --signal-line: rgba(242, 242, 233, .2);
  --signal-line-strong: rgba(242, 242, 233, .42);
  --signal-accent: #f5f74d;
  --signal-accent-hot: #ffff53;
  --signal-header: 66px;
  --signal-receiver: 70px;
  --signal-rail: 92px;
  --signal-ease: cubic-bezier(.22, 1, .36, 1);
  --signal-display: "Bahnschrift Condensed", "Arial Narrow", "Segoe UI", sans-serif;
  --signal-body: "Segoe UI", Arial, sans-serif;
  --signal-mono: "Cascadia Mono", "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

html {
  background: var(--signal-bg);
  scroll-behavior: smooth;
  scroll-padding-top: 0;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background: var(--signal-bg);
  color: var(--signal-ink);
  font-family: var(--signal-body);
  line-height: 1.5;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a { color: inherit; }

button {
  border: 0;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--signal-accent-hot);
  outline-offset: 4px;
}

::selection {
  background: var(--signal-accent);
  color: #0a0b09;
}

[hidden] { display: none !important; }

.signal-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.signal-skip {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  border: 1px solid var(--signal-accent);
  background: #090a09;
  color: var(--signal-ink);
  font: 600 .72rem/1 var(--signal-mono);
  letter-spacing: .08em;
  text-decoration: none;
  transform: translateY(-150%);
}

.signal-skip:focus { transform: translateY(0); }

.signal-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  display: grid;
  min-height: var(--signal-header);
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 0 28px 0 24px;
  border-bottom: 1px solid var(--signal-line);
  background: linear-gradient(180deg, rgba(6, 7, 6, .96), rgba(6, 7, 6, .76));
  backdrop-filter: blur(12px);
}

.signal-brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  color: var(--signal-ink);
  font-family: var(--signal-display);
  letter-spacing: .19em;
  text-decoration: none;
}

.signal-brand span {
  color: var(--signal-muted);
  font-size: .74rem;
}

.signal-brand strong {
  color: var(--signal-accent);
  font-size: .92rem;
  font-weight: 600;
}

.signal-header__demo {
  margin: 0;
  color: var(--signal-muted);
  font: 500 .62rem/1 var(--signal-mono);
  letter-spacing: .1em;
  text-align: center;
  text-transform: uppercase;
}

.signal-channel-toggle {
  display: none;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  border-left: 1px solid var(--signal-line);
  background: transparent;
  cursor: pointer;
  font: 600 .66rem/1 var(--signal-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.signal-channel-toggle span:first-child { color: var(--signal-accent); }

.signal-mobile-channels { display: none; }

.signal-channel-rail {
  position: fixed;
  z-index: 35;
  top: calc(var(--signal-header) + 20px);
  bottom: calc(var(--signal-receiver) + 20px);
  left: 0;
  display: flex;
  width: var(--signal-rail);
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--signal-line);
}

.signal-channel-rail a {
  position: relative;
  display: flex;
  min-height: 72px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px 10px 18px;
  color: var(--signal-dim);
  font-family: var(--signal-mono);
  text-decoration: none;
  transition: color 220ms ease, background 220ms ease;
}

.signal-channel-rail a::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: transparent;
  content: "";
}

.signal-channel-rail a span {
  font-size: .58rem;
  letter-spacing: .1em;
}

.signal-channel-rail a b {
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .04em;
}

.signal-channel-rail a:hover,
.signal-channel-rail a[aria-current="true"] {
  background: linear-gradient(90deg, rgba(245, 247, 77, .1), transparent);
  color: var(--signal-ink);
}

.signal-channel-rail a[aria-current="true"]::before { background: var(--signal-accent); }
.signal-channel-rail a[aria-current="true"] span { color: var(--signal-accent); }

.signal-scene {
  position: relative;
  isolation: isolate;
  min-height: max(100svh, 760px);
  overflow: clip;
  border-bottom: 1px solid var(--signal-line);
  background: #080908;
}

.signal-scene::before {
  position: absolute;
  z-index: 2;
  inset: var(--signal-header) 0 var(--signal-receiver) var(--signal-rail);
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 49.9%, rgba(255,255,255,.05) 50%, transparent 50.1%),
    linear-gradient(0deg, transparent 49.9%, rgba(255,255,255,.05) 50%, transparent 50.1%);
  background-size: 110px 110px;
  content: "";
  mask-image: linear-gradient(180deg, transparent, #000 25%, #000 75%, transparent);
  opacity: .22;
}

.signal-scene__media,
.signal-scene__media img,
.signal-scene__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.signal-scene__media { z-index: -2; }

.signal-scene__media img {
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
  filter: contrast(1.03) saturate(.88) brightness(.78);
  transform: scale(1.01);
  transition: transform 18s linear, filter 800ms ease;
}

.signal-scene.is-in-view .signal-scene__media img { transform: scale(1.035); }

.signal-scene__shade {
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6,7,6,.28) 0%, rgba(6,7,6,.03) 40%, rgba(6,7,6,.82) 100%),
    linear-gradient(90deg, rgba(6,7,6,.66), transparent 52%, rgba(6,7,6,.2));
}

.signal-scene__content {
  position: relative;
  z-index: 3;
  min-height: max(100svh, 760px);
  padding: calc(var(--signal-header) + 52px) clamp(32px, 5vw, 86px) calc(var(--signal-receiver) + 44px) calc(var(--signal-rail) + clamp(36px, 5vw, 88px));
}

.signal-kicker,
.signal-demo-label,
.signal-demo-explanation,
.signal-system-line {
  font-family: var(--signal-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.signal-kicker {
  margin: 0 0 12px;
  color: var(--signal-accent);
  font-size: .67rem;
  font-weight: 600;
}

.signal-demo-label {
  display: inline-flex;
  margin: 0 0 18px;
  padding: 7px 10px;
  border-left: 2px solid var(--signal-accent);
  background: rgba(7, 8, 7, .74);
  color: var(--signal-ink);
  font-size: .6rem;
}

.signal-demo-explanation {
  max-width: 720px;
  margin: 20px 0 0;
  color: var(--signal-muted);
  font-size: .56rem;
  line-height: 1.65;
}

.signal-section-copy h2,
.signal-contact h2 {
  max-width: 900px;
  margin: 0;
  font: 500 clamp(3.4rem, 7vw, 7.6rem)/.88 var(--signal-display);
  letter-spacing: -.045em;
  text-transform: uppercase;
}

.signal-section-copy > p:not(.signal-kicker) {
  max-width: 720px;
  margin: 18px 0 0;
  color: #d3d4cb;
  font-size: clamp(.9rem, 1.2vw, 1.06rem);
}

.signal-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, .88fr);
  align-items: end;
  gap: clamp(36px, 5vw, 90px);
}

.signal-hero__copy {
  max-width: 760px;
  padding-top: 18px;
  border-top: 1px solid var(--signal-line-strong);
  text-shadow: 0 2px 22px #050605;
}

.signal-hero h1 {
  margin: 0;
  color: var(--signal-accent);
  font: 600 clamp(4.6rem, 9vw, 10.4rem)/.78 var(--signal-display);
  letter-spacing: -.055em;
}

.signal-hero__statement {
  margin: 20px 0 0;
  font: 500 clamp(1.8rem, 3.4vw, 4.2rem)/.95 var(--signal-display);
  letter-spacing: -.03em;
  text-transform: uppercase;
}

.signal-lead {
  max-width: 700px;
  margin: 18px 0 0;
  color: #e1e2d9;
  font-size: clamp(.94rem, 1.25vw, 1.14rem);
}

.signal-tuner {
  align-self: end;
  padding: clamp(20px, 2.5vw, 34px);
  border-block: 1px solid var(--signal-line-strong);
  background:
    linear-gradient(90deg, rgba(245,247,77,.09), transparent 38%),
    rgba(5, 6, 5, .82);
  box-shadow: 20px 0 50px rgba(0,0,0,.22);
}

.signal-tuner__readout {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
  font-family: var(--signal-mono);
}

.signal-tuner__readout span {
  color: var(--signal-muted);
  font-size: .58rem;
  letter-spacing: .1em;
}

.signal-tuner__readout output {
  color: var(--signal-accent);
  font-size: clamp(1.5rem, 2.4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -.04em;
}

.signal-tuner > label,
.signal-archive-console > label {
  display: block;
  margin-bottom: 10px;
  color: var(--signal-muted);
  font: 500 .66rem/1.3 var(--signal-mono);
  letter-spacing: .07em;
  text-transform: uppercase;
}

input[type="range"] {
  width: 100%;
  height: 32px;
  margin: 0;
  background: transparent;
  cursor: ew-resize;
  accent-color: var(--signal-accent);
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: linear-gradient(90deg, var(--signal-dim), var(--signal-accent), var(--signal-dim));
}

input[type="range"]::-webkit-slider-thumb {
  width: 14px;
  height: 28px;
  margin-top: -13px;
  border: 1px solid #0c0d0b;
  border-radius: 0;
  background: var(--signal-accent);
  box-shadow: 0 0 0 2px rgba(245,247,77,.22);
  appearance: none;
}

input[type="range"]::-moz-range-track {
  height: 2px;
  background: linear-gradient(90deg, var(--signal-dim), var(--signal-accent), var(--signal-dim));
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 28px;
  border: 1px solid #0c0d0b;
  border-radius: 0;
  background: var(--signal-accent);
}

.signal-tuner__scale {
  display: flex;
  justify-content: space-between;
  color: var(--signal-dim);
  font: 500 .54rem/1 var(--signal-mono);
}

.signal-tuner__scale span:nth-child(2) { color: var(--signal-accent); }

.signal-tuner > p {
  margin: 16px 0;
  color: var(--signal-muted);
  font-size: .74rem;
}

.signal-command,
.signal-next-command {
  display: flex;
  width: 100%;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border: 1px solid var(--signal-accent);
  background: transparent;
  color: var(--signal-accent);
  cursor: pointer;
  font: 600 .66rem/1 var(--signal-mono);
  letter-spacing: .09em;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease;
}

.signal-command:hover,
.signal-next-command:hover {
  background: var(--signal-accent);
  color: #080908;
}

.signal-status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 20px;
  margin-top: 20px;
  color: var(--signal-dim);
  font: 500 .55rem/1.4 var(--signal-mono);
  letter-spacing: .05em;
}

.signal-status-grid b { color: var(--signal-accent); font-weight: 500; }
.signal-tuning-message { min-height: 1.2em; }

.signal-next-command {
  margin-top: 12px;
  border-color: var(--signal-line-strong);
  color: var(--signal-ink);
}

.signal-about {
  display: grid;
  grid-template-columns: minmax(300px, .68fr) minmax(620px, 1.32fr);
  align-items: end;
  gap: clamp(40px, 6vw, 112px);
}

.signal-about .signal-section-copy {
  padding: 22px 0;
  border-block: 1px solid var(--signal-line-strong);
  background: linear-gradient(90deg, rgba(7,8,7,.86), rgba(7,8,7,.28));
}

.signal-bands {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-self: end;
  border-top: 1px solid var(--signal-line-strong);
}

.signal-bands button {
  position: relative;
  display: grid;
  min-height: 92px;
  grid-template-columns: 64px 1fr;
  align-content: center;
  gap: 4px 14px;
  padding: 14px;
  border-right: 1px solid var(--signal-line);
  border-bottom: 1px solid var(--signal-line);
  background: rgba(7, 8, 7, .8);
  cursor: pointer;
  text-align: left;
}

.signal-bands button:nth-child(even) { border-right: 0; }

.signal-bands button::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--signal-accent);
  content: "";
  transform: scaleX(.12);
  transform-origin: left;
  transition: transform 300ms var(--signal-ease);
}

.signal-bands button:hover::after,
.signal-bands button:focus-visible::after,
.signal-bands button[aria-pressed="true"]::after { transform: scaleX(1); }

.signal-bands button b {
  grid-row: 1 / span 2;
  color: var(--signal-accent);
  font: 600 1.5rem/1 var(--signal-display);
}

.signal-bands button span {
  font: 600 .76rem/1 var(--signal-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.signal-bands button small {
  color: var(--signal-muted);
  font-size: .7rem;
  line-height: 1.35;
}

.signal-bands__detail {
  grid-column: 1 / -1;
  min-height: 48px;
  margin: 0;
  padding: 14px;
  background: var(--signal-accent);
  color: #080908;
  font: 600 .66rem/1.5 var(--signal-mono);
}

.signal-bands__detail b { margin-right: 12px; }

.signal-scene--schedule .signal-scene__shade {
  background:
    linear-gradient(90deg, rgba(6,7,6,.06) 0 34%, rgba(6,7,6,.56) 50%, rgba(6,7,6,.9) 100%),
    linear-gradient(180deg, rgba(6,7,6,.2), transparent 50%, rgba(6,7,6,.58));
}

.signal-schedule {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: 16px;
}

.signal-schedule > * { width: min(760px, 58vw); }
.signal-schedule .signal-section-copy h2 { font-size: clamp(3.4rem, 6vw, 6rem); }
.signal-schedule .signal-section-copy > p:not(.signal-kicker) { max-width: 600px; }

.signal-transmission-log {
  border-top: 1px solid var(--signal-line-strong);
  background: rgba(6,7,6,.78);
}

.signal-transmission-log button {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 61px;
  grid-template-columns: 70px minmax(0, 1fr) 76px;
  align-items: center;
  gap: 18px;
  padding: 8px;
  border-bottom: 1px solid var(--signal-line);
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.signal-transmission-log button::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(245,247,77,.12), transparent 68%);
  content: "";
  opacity: 0;
  transition: opacity 180ms ease;
}

.signal-transmission-log button:hover::before,
.signal-transmission-log button:focus-visible::before,
.signal-transmission-log button[aria-pressed="true"]::before { opacity: 1; }

.signal-transmission-log time {
  position: relative;
  color: var(--signal-accent);
  font: 600 1rem/1 var(--signal-mono);
}

.signal-transmission-log span {
  position: relative;
  min-width: 0;
}

.signal-transmission-log b {
  display: block;
  font: 600 .84rem/1.2 var(--signal-mono);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.signal-transmission-log small {
  display: block;
  margin-top: 5px;
  color: var(--signal-muted);
  font-size: .71rem;
  line-height: 1.4;
}

.signal-transmission-log i {
  position: relative;
  color: var(--signal-dim);
  font: 500 .52rem/1 var(--signal-mono);
  font-style: normal;
  letter-spacing: .08em;
  text-align: right;
}

.signal-transmission-log button.is-current i { color: var(--signal-accent); }

.signal-scene--podcasts .signal-scene__shade {
  background:
    linear-gradient(180deg, rgba(6,7,6,.18), rgba(6,7,6,.1) 34%, rgba(6,7,6,.92) 78%),
    linear-gradient(90deg, rgba(6,7,6,.48), transparent 64%);
}

.signal-podcasts {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 26px;
}

.signal-podcasts > .signal-section-copy {
  max-width: 760px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--signal-line-strong);
}

.signal-podcast-console {
  display: grid;
  grid-template-columns: minmax(500px, 1.15fr) minmax(420px, .85fr);
  gap: 28px;
}

.signal-episode-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--signal-line-strong);
}

.signal-episode-list button {
  position: relative;
  display: grid;
  min-height: 96px;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-content: center;
  gap: 5px 12px;
  padding: 12px;
  border-right: 1px solid var(--signal-line);
  border-bottom: 1px solid var(--signal-line);
  background: rgba(6, 7, 6, .82);
  cursor: pointer;
  text-align: left;
}

.signal-episode-list button:nth-child(even) { border-right: 0; }

.signal-episode-list button::after {
  position: absolute;
  inset: auto 0 0;
  height: 2px;
  background: var(--signal-accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms var(--signal-ease);
}

.signal-episode-list button:hover::after,
.signal-episode-list button:focus-visible::after,
.signal-episode-list button[aria-current="true"]::after { transform: scaleX(1); }

.signal-episode-list button > span {
  grid-row: 1 / span 2;
  color: var(--signal-accent);
  font: 600 .65rem/1 var(--signal-mono);
}

.signal-episode-list button > b {
  min-width: 0;
  overflow: hidden;
  font: 600 .76rem/1.25 var(--signal-mono);
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.signal-episode-list button > small {
  min-width: 0;
  overflow: hidden;
  color: var(--signal-muted);
  font-size: .66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signal-episode-list time {
  color: var(--signal-muted);
  font: 500 .62rem/1 var(--signal-mono);
}

.signal-mini-wave {
  grid-column: 3;
  width: 36px;
  height: 9px;
  background: repeating-linear-gradient(90deg, var(--signal-dim) 0 2px, transparent 2px 5px);
  opacity: .7;
  mask-image: linear-gradient(0deg, transparent, #000 25%, #000 75%, transparent);
}

.signal-player {
  min-width: 0;
  padding: 22px;
  border-block: 1px solid var(--signal-line-strong);
  background:
    linear-gradient(120deg, rgba(245,247,77,.09), transparent 32%),
    rgba(6,7,6,.9);
}

.signal-player__mode,
.signal-player__meta,
.signal-player__notice {
  margin: 0;
  color: var(--signal-accent);
  font: 500 .58rem/1.5 var(--signal-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.signal-player__meta {
  margin-top: 14px;
  color: var(--signal-muted);
}

.signal-player h3 {
  margin: 6px 0 0;
  font: 500 clamp(1.7rem, 2.4vw, 2.8rem)/.95 var(--signal-display);
  letter-spacing: -.03em;
  text-transform: uppercase;
}

.signal-player > p:not(.signal-player__mode,.signal-player__meta,.signal-player__notice) {
  margin: 14px 0 0;
  color: #c8c9c1;
  font-size: .76rem;
  line-height: 1.5;
}

.signal-waveform {
  height: 74px;
  margin-top: 18px;
  border-block: 1px solid var(--signal-line);
  background:
    linear-gradient(180deg, transparent 49%, rgba(245,247,77,.35) 50%, transparent 51%),
    repeating-linear-gradient(90deg, transparent 0 4px, rgba(245,247,77,.62) 4px 6px, transparent 6px 11px);
  background-size: 100% 100%, 120px 44px;
  background-position: 0 0, 0 center;
  background-repeat: no-repeat, repeat-x;
  opacity: .72;
  mask-image: linear-gradient(180deg, transparent 3%, #000 35%, #000 65%, transparent 97%);
}

.signal-player.is-playing .signal-waveform {
  animation: signal-wave-move 1.2s linear infinite;
  opacity: 1;
}

@keyframes signal-wave-move {
  to { background-position: 0 0, 120px center; }
}

.signal-player__timeline {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
}

.signal-player__timeline span {
  color: var(--signal-muted);
  font: 500 .6rem/1 var(--signal-mono);
}

.signal-player__timeline b { padding-inline: 4px; color: var(--signal-dim); }

.signal-player__controls {
  display: grid;
  grid-template-columns: 48px minmax(86px, .7fr) 48px minmax(150px, 1fr);
  gap: 8px;
}

.signal-player__controls button,
.signal-receiver__panel > button {
  min-height: 42px;
  border: 1px solid var(--signal-line);
  background: transparent;
  cursor: pointer;
  font: 600 .62rem/1 var(--signal-mono);
  letter-spacing: .06em;
}

.signal-player__controls button:hover,
.signal-player__controls button[aria-pressed="true"],
.signal-receiver__panel > button:hover,
.signal-receiver__panel > button[aria-pressed="true"] {
  border-color: var(--signal-accent);
  color: var(--signal-accent);
}

.signal-player__primary {
  border-color: var(--signal-accent) !important;
  color: var(--signal-accent);
}

.signal-player__rates {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.signal-player__rates button + button { border-left: 0; }
.signal-player__notice { min-height: 1.4em; margin-top: 12px; color: var(--signal-muted); }

.signal-scene--archive .signal-scene__shade {
  background:
    linear-gradient(90deg, rgba(6,7,6,.88) 0 42%, rgba(6,7,6,.26) 66%, rgba(6,7,6,.1)),
    linear-gradient(180deg, rgba(6,7,6,.14), transparent 48%, rgba(6,7,6,.56));
}

.signal-archive {
  display: grid;
  width: min(890px, 57vw);
  align-content: center;
  gap: 32px;
}

.signal-archive-console {
  padding: 24px;
  border-block: 1px solid var(--signal-line-strong);
  background: rgba(6, 7, 6, .84);
}

.signal-archive-frequencies {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: 8px;
}

.signal-archive-frequencies button {
  min-height: 42px;
  border: 1px solid var(--signal-line);
  border-right: 0;
  background: transparent;
  color: var(--signal-muted);
  cursor: pointer;
  font: 600 .66rem/1 var(--signal-mono);
}

.signal-archive-frequencies button:last-child { border-right: 1px solid var(--signal-line); }
.signal-archive-frequencies button:hover,
.signal-archive-frequencies button[aria-pressed="true"] {
  background: var(--signal-accent);
  color: #080908;
}

.signal-archive-panels { margin-top: 20px; }

.is-enhanced .signal-archive-panel:not(.is-active) { display: none; }

.signal-archive-panel p {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin: 0;
}

.signal-archive-panel p b {
  color: var(--signal-accent);
  font: 600 clamp(1.2rem, 2.2vw, 2rem)/1 var(--signal-mono);
}

.signal-archive-panel p span {
  color: var(--signal-muted);
  font: 500 .62rem/1 var(--signal-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.signal-archive-panel ul {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.signal-archive-panel li {
  padding: 10px 0 10px 18px;
  border-top: 1px solid var(--signal-line);
  color: #d4d5cd;
  font-size: .78rem;
}

.signal-archive-panel li::before {
  display: inline-block;
  width: 18px;
  margin-left: -18px;
  color: var(--signal-accent);
  content: "—";
}

.signal-scene--contact .signal-scene__shade {
  background:
    linear-gradient(90deg, rgba(6,7,6,.9) 0 36%, rgba(6,7,6,.4) 61%, rgba(6,7,6,.12)),
    linear-gradient(180deg, rgba(6,7,6,.12), transparent 48%, rgba(6,7,6,.74));
}

.signal-contact {
  display: flex;
  width: min(880px, 58vw);
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  transform: translateY(-34px);
}

.signal-contact__lead {
  max-width: 720px;
  margin: 24px 0 0;
  color: #dcddd5;
  font-size: clamp(1.05rem, 1.5vw, 1.32rem);
}

.signal-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.signal-contact__actions a {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 16px;
  border: 1px solid var(--signal-line-strong);
  font: 600 .66rem/1 var(--signal-mono);
  letter-spacing: .07em;
  text-decoration: none;
  text-transform: uppercase;
}

.signal-contact__actions a:first-child {
  border-color: var(--signal-accent);
  background: var(--signal-accent);
  color: #080908;
}

.signal-contact__actions a:hover { border-color: var(--signal-accent); }

.signal-affiliation {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--signal-muted);
  font-size: .68rem;
}

.signal-system-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 28px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--signal-line);
  color: var(--signal-accent);
  font-size: .56rem;
}

.signal-footer {
  display: grid;
  min-height: 150px;
  grid-template-columns: auto minmax(280px, 720px);
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 38px 50px calc(var(--signal-receiver) + 34px) calc(var(--signal-rail) + 50px);
  border-top: 1px solid var(--signal-line);
  background: #050605;
  color: var(--signal-muted);
  font: 500 .64rem/1.6 var(--signal-mono);
  letter-spacing: .05em;
}

.signal-footer p { margin: 0; }
.signal-footer strong { color: var(--signal-accent); }

.signal-receiver {
  position: fixed;
  z-index: 60;
  right: 0;
  bottom: 0;
  left: 0;
  min-height: var(--signal-receiver);
  border-top: 1px solid var(--signal-line-strong);
  background:
    linear-gradient(90deg, rgba(245,247,77,.08), transparent 22%),
    rgba(5, 6, 5, .96);
  backdrop-filter: blur(12px);
}

.signal-receiver__toggle { display: none; }

.signal-receiver__panel {
  display: grid;
  min-height: var(--signal-receiver);
  grid-template-columns: 150px 150px minmax(220px, 1fr) 170px minmax(130px, .5fr) 150px;
  align-items: center;
  gap: 0;
  padding: 0 22px 0 calc(var(--signal-rail) + 24px);
}

.signal-receiver__panel > div {
  min-width: 0;
  padding: 0 16px;
  border-right: 1px solid var(--signal-line);
}

.signal-receiver__panel span {
  display: block;
  color: var(--signal-dim);
  font: 500 .51rem/1 var(--signal-mono);
  letter-spacing: .08em;
}

.signal-receiver__panel strong {
  display: block;
  min-width: 0;
  margin-top: 7px;
  overflow: hidden;
  color: var(--signal-ink);
  font: 600 .68rem/1 var(--signal-mono);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signal-receiver__panel > div:first-child strong { color: var(--signal-accent); }

.signal-receiver__level i {
  display: block;
  width: 100%;
  height: 8px;
  margin-top: 9px;
  background: repeating-linear-gradient(90deg, var(--signal-accent) 0 5px, transparent 5px 9px);
  mask-image: linear-gradient(90deg, #000 0 64%, transparent 94%);
}

.signal-receiver__panel > button { min-width: 0; margin-left: 16px; }

@media (max-width: 1260px) {
  :root { --signal-rail: 76px; }
  .signal-channel-rail { width: var(--signal-rail); }
  .signal-channel-rail a { min-height: 66px; padding-left: 12px; }
  .signal-channel-rail a b { display: none; }
  .signal-scene__content { padding-right: 34px; }
  .signal-hero { grid-template-columns: minmax(0, 1fr) minmax(350px, .72fr); gap: 34px; }
  .signal-about { grid-template-columns: .62fr 1.38fr; gap: 36px; }
  .signal-podcast-console { grid-template-columns: 1fr .88fr; }
  .signal-episode-list button { min-height: 88px; }
  .signal-receiver__panel {
    grid-template-columns: 140px 130px minmax(180px, 1fr) 145px 115px 132px;
  }
}

@media (max-width: 1100px) {
  :root { --signal-rail: 0px; }

  .signal-channel-rail { display: none; }
  .signal-channel-toggle { display: inline-flex; }
  .signal-header { grid-template-columns: 1fr auto; padding-inline: 20px; }
  .signal-header__demo { display: none; }

  .signal-mobile-channels {
    position: fixed;
    top: var(--signal-header);
    right: 0;
    left: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--signal-line-strong);
    background: rgba(5,6,5,.98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 240ms var(--signal-ease);
  }

  .signal-mobile-channels.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .signal-mobile-channels a {
    min-height: 54px;
    padding: 12px;
    border-right: 1px solid var(--signal-line);
    border-bottom: 1px solid var(--signal-line);
    color: var(--signal-muted);
    font: 500 .6rem/1.3 var(--signal-mono);
    text-decoration: none;
  }

  .signal-mobile-channels a:nth-child(3n) { border-right: 0; }
  .signal-mobile-channels a span { display: block; color: var(--signal-accent); }
  .signal-mobile-channels a[aria-current="true"] { background: rgba(245,247,77,.09); color: var(--signal-ink); }

  .signal-scene::before { left: 0; }
  .signal-scene__content {
    padding-left: clamp(24px, 5vw, 54px);
    padding-right: clamp(24px, 5vw, 54px);
  }

  .signal-hero {
    grid-template-columns: minmax(0, .9fr) minmax(340px, .72fr);
    gap: 28px;
  }

  .signal-about { grid-template-columns: minmax(260px, .65fr) minmax(460px, 1.35fr); }
  .signal-schedule > * { width: min(720px, 72vw); }
  .signal-podcast-console { grid-template-columns: 1fr; }
  .signal-player { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
  .signal-player__mode,
  .signal-player__meta,
  .signal-player h3,
  .signal-player > p:not(.signal-player__mode,.signal-player__meta,.signal-player__notice) { grid-column: 1; }
  .signal-waveform,
  .signal-player__timeline,
  .signal-player__controls,
  .signal-player__notice { grid-column: 2; }
  .signal-waveform { grid-row: 1 / span 4; align-self: end; }
  .signal-player__timeline { align-self: end; }
  .signal-player__controls { grid-template-columns: 44px 78px 44px 1fr; }
  .signal-archive { width: min(760px, 73vw); }
  .signal-contact { width: min(760px, 70vw); }

  .signal-receiver__panel {
    grid-template-columns: 130px minmax(180px, 1fr) 150px 120px 132px;
    padding-left: 18px;
  }

  .signal-receiver__panel > div:nth-child(2) { display: none; }
}

@media (max-width: 800px) {
  :root {
    --signal-header: 62px;
    --signal-receiver: 60px;
  }

  html { scroll-padding-top: 0; }
  .signal-brand { gap: 8px; letter-spacing: .12em; }
  .signal-brand span { font-size: .6rem; }
  .signal-brand strong { font-size: .78rem; }
  .signal-channel-toggle { gap: 7px; padding-inline: 12px 0; }

  .signal-mobile-channels { grid-template-columns: repeat(2, 1fr); }
  .signal-mobile-channels a:nth-child(3n) { border-right: 1px solid var(--signal-line); }
  .signal-mobile-channels a:nth-child(even) { border-right: 0; }

  .signal-scene {
    min-height: 100svh;
    overflow: hidden;
  }

  .signal-scene::before {
    inset: var(--signal-header) 0 var(--signal-receiver);
    background-size: 72px 72px;
  }

  .signal-scene__media img { filter: contrast(1.06) saturate(.84) brightness(.56); }
  .signal-scene__shade,
  .signal-scene--schedule .signal-scene__shade,
  .signal-scene--podcasts .signal-scene__shade,
  .signal-scene--archive .signal-scene__shade,
  .signal-scene--contact .signal-scene__shade {
    background:
      linear-gradient(180deg, rgba(6,7,6,.35), rgba(6,7,6,.22) 26%, rgba(6,7,6,.92) 66%, #080908 100%),
      linear-gradient(90deg, rgba(6,7,6,.58), rgba(6,7,6,.1));
  }

  .signal-scene__content {
    min-height: 100svh;
    padding: calc(var(--signal-header) + 42px) 18px calc(var(--signal-receiver) + 42px);
  }

  .signal-demo-label { margin-bottom: 12px; font-size: .65rem; }
  .signal-kicker { font-size: .66rem; }
  .signal-section-copy h2,
  .signal-contact h2 { font-size: clamp(2.7rem, 15vw, 4.8rem); }

  .signal-hero {
    display: flex;
    min-height: 100svh;
    flex-direction: column;
    justify-content: flex-end;
    gap: 20px;
  }

  .signal-hero__copy { width: 100%; }
  .signal-hero h1 { font-size: clamp(4rem, 21vw, 7rem); }
  .signal-hero__statement { margin-top: 14px; font-size: clamp(1.65rem, 9vw, 3rem); }
  .signal-lead { margin-top: 12px; font-size: .86rem; line-height: 1.48; }
  .signal-demo-explanation { margin-top: 12px; font-size: .5rem; }
  .signal-tuner { width: 100%; padding: 16px; }
  .signal-tuner__readout { margin-bottom: 14px; }
  .signal-tuner__readout output { font-size: 1.45rem; }
  .signal-tuner > p { margin: 10px 0; font-size: .66rem; }
  .signal-status-grid { margin-top: 12px; }

  .signal-about {
    display: flex;
    min-height: max(100svh, 980px);
    flex-direction: column;
    justify-content: flex-end;
    gap: 24px;
  }

  .signal-about .signal-section-copy { padding: 16px 0; }
  .signal-section-copy > p:not(.signal-kicker) { margin-top: 12px; font-size: .84rem; }
  .signal-bands { width: 100%; }
  .signal-bands button { min-height: 76px; grid-template-columns: 46px 1fr; padding: 10px; }
  .signal-bands button b { font-size: 1.16rem; }
  .signal-bands button span { font-size: .62rem; }
  .signal-bands button small { display: none; }
  .signal-bands__detail { min-height: 64px; font-size: .58rem; }

  .signal-schedule {
    min-height: max(100svh, 940px);
    align-items: stretch;
    justify-content: flex-end;
    gap: 14px;
  }

  .signal-schedule > * { width: 100%; }
  .signal-transmission-log button {
    min-height: 72px;
    grid-template-columns: 52px minmax(0, 1fr) 58px;
    gap: 10px;
  }
  .signal-transmission-log time { font-size: .78rem; }
  .signal-transmission-log b { font-size: .68rem; }
  .signal-transmission-log small { font-size: .62rem; }
  .signal-transmission-log i { font-size: .45rem; }

  .signal-podcasts {
    min-height: auto;
    padding-top: calc(var(--signal-header) + 50px);
    justify-content: flex-start;
  }

  .signal-episode-list { grid-template-columns: 1fr; }
  .signal-episode-list button { min-height: 80px; border-right: 0; }
  .signal-player { display: block; padding: 16px; }
  .signal-player h3 { font-size: 1.9rem; }
  .signal-waveform { height: 56px; }
  .signal-player__controls { grid-template-columns: 42px 76px 42px 1fr; }
  .signal-player__rates button { font-size: .54rem; }

  .signal-archive {
    display: flex;
    width: auto;
    min-height: max(100svh, 820px);
    flex-direction: column;
    justify-content: flex-end;
  }

  .signal-archive-console { padding: 16px; }
  .signal-archive-frequencies { grid-template-columns: repeat(3, 1fr); }
  .signal-archive-frequencies button:nth-child(3) { border-right: 1px solid var(--signal-line); }
  .signal-archive-frequencies button:nth-child(n+4) { border-top: 0; }
  .signal-archive-panel p { align-items: flex-start; flex-direction: column; gap: 8px; }
  .signal-archive-panel p b { font-size: 1.06rem; }

  .signal-contact {
    width: auto;
    min-height: 100svh;
    justify-content: flex-end;
    transform: none;
  }

  .signal-contact__lead { margin-top: 18px; font-size: .94rem; }
  .signal-contact__actions { width: 100%; flex-direction: column; margin-top: 22px; }
  .signal-contact__actions a { width: 100%; }
  .signal-affiliation { margin-top: 18px; font-size: .61rem; }
  .signal-system-line { margin-top: 18px; gap: 6px 14px; font-size: .48rem; }

  .signal-footer {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 28px 18px calc(var(--signal-receiver) + 24px);
    font-size: .56rem;
  }

  .signal-receiver {
    min-height: var(--signal-receiver);
  }

  .signal-receiver__toggle {
    display: grid;
    width: 100%;
    min-height: var(--signal-receiver);
    grid-template-columns: 110px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    background: transparent;
    cursor: pointer;
    text-align: left;
  }

  .signal-receiver__toggle span {
    color: var(--signal-accent);
    font: 600 .73rem/1 var(--signal-mono);
  }

  .signal-receiver__toggle b {
    overflow: hidden;
    font: 600 .65rem/1 var(--signal-mono);
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .signal-receiver__toggle i {
    color: var(--signal-dim);
    font: 500 .56rem/1 var(--signal-mono);
    font-style: normal;
  }

  .signal-receiver__panel {
    position: absolute;
    right: 0;
    bottom: var(--signal-receiver);
    left: 0;
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 14px 16px;
    border-top: 1px solid var(--signal-line);
    background: rgba(5,6,5,.98);
  }

  .signal-receiver__panel.is-open { display: grid; }
  .signal-receiver__panel > div { min-height: 54px; padding: 10px; border-bottom: 1px solid var(--signal-line); }
  .signal-receiver__panel > div:nth-child(2) { display: block; }
  .signal-receiver__panel > button { grid-column: 1 / -1; margin: 10px 0 0; }
}

@media (max-width: 430px) {
  .signal-header { padding-inline: 14px; }
  .signal-channel-toggle span:last-child { display: none; }
  .signal-hero h1 { font-size: 19vw; }
  .signal-hero__statement { font-size: 8.5vw; }
  .signal-lead { font-size: .8rem; }
  .signal-status-grid { gap: 6px 10px; font-size: .49rem; }
  .signal-about { min-height: 1020px; }
  .signal-bands button { grid-template-columns: 38px 1fr; }
  .signal-schedule { min-height: 990px; }
  .signal-transmission-log button { grid-template-columns: 46px minmax(0, 1fr); }
  .signal-transmission-log i { grid-column: 2; text-align: left; }
  .signal-episode-list button > b { font-size: .7rem; }
  .signal-episode-list button > small { font-size: .59rem; }
  .signal-player__controls { grid-template-columns: 40px 72px 40px; }
  .signal-player__rates { grid-column: 1 / -1; }
  .signal-receiver__toggle { grid-template-columns: 104px 1fr auto; padding-inline: 12px; }
}

@media (max-height: 820px) and (min-width: 801px) {
  .signal-scene,
  .signal-scene__content { min-height: 100svh; }
  .signal-scene__content { padding-top: calc(var(--signal-header) + 34px); padding-bottom: calc(var(--signal-receiver) + 28px); }
  .signal-hero h1 { font-size: clamp(4.4rem, 8vw, 8rem); }
  .signal-hero__statement { font-size: clamp(1.7rem, 3vw, 3.2rem); }
  .signal-transmission-log button { min-height: 56px; }
  .signal-podcasts { gap: 16px; }
  .signal-episode-list button { min-height: 82px; }
  .signal-waveform { height: 58px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
  }
  .signal-scene__media img,
  .signal-scene.is-in-view .signal-scene__media img { transform: none; }
  .signal-player.is-playing .signal-waveform { animation: none; }
}