:root {
  --bg: #000;
  --fg: #f5f4f0;
  --soft: rgba(245,244,240,.72);
  --muted: rgba(245,244,240,.43);
  --faint: rgba(245,244,240,.16);
  --line: rgba(245,244,240,.21);
  --serif: "Italiana", Didot, serif;
  --signal: "Michroma", "Avenir Next", "Helvetica Neue", sans-serif;
  --tech: "Oxanium", "Avenir Next Condensed", "Helvetica Neue", sans-serif;
  --command: "Poiret One", "Avenir Next", "Helvetica Neue", sans-serif;
  --mx: 0;
  --my: 0;
  --rx: 0deg;
  --ry: 0deg;
  --cursor-x: 50vw;
  --cursor-y: 50vh;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--fg); }
html { scroll-behavior: smooth; }
body {
  min-height: 100svh;
  overflow: hidden;
  font-family: var(--tech);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}
button, input { font: inherit; }
button { color: inherit; }
a { color: inherit; }

.noise,
.scanline,
.cursor-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
}
.noise {
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
  mix-blend-mode: screen;
}
.scanline {
  opacity: .055;
  background: repeating-linear-gradient(to bottom, transparent 0, transparent 3px, rgba(255,255,255,.07) 4px);
  background-size: 100% 5px;
}
.cursor-field {
  z-index: 2;
  opacity: 0;
  transition: opacity 700ms ease;
  background: radial-gradient(circle 260px at var(--cursor-x) var(--cursor-y), rgba(255,255,255,.045), transparent 72%);
}
body.pointer-active .cursor-field { opacity: 1; }

#app { position: relative; min-height: 100svh; }
.landing,
.join-panel {
  position: fixed;
  inset: 0;
  min-height: 100svh;
  background: #000;
}

.visual-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url('/visual-bg.jpg');
  background-size: cover;
  background-position: center center;
  opacity: 0;
  filter: saturate(.58) contrast(1.05);
  transform: scale(1.035);
  transition: opacity 2.2s ease, transform 8s ease;
}
body.sequence-started .visual-layer-landing { opacity: .76; transform: scale(1); }
.center-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 42% 72% at 50% 55%, rgba(0,0,0,.98) 0%, rgba(0,0,0,.86) 35%, rgba(0,0,0,.40) 70%, rgba(0,0,0,.05) 100%),
    linear-gradient(to bottom, rgba(0,0,0,.18), transparent 27%, transparent 72%, rgba(0,0,0,.38));
  z-index: 0;
}

.landing {
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  z-index: 10;
}
.landing-center {
  position: relative;
  z-index: 4;
  width: min(92vw, 1460px);
  display: flex;
  flex-direction: column;
  align-items: center;
  transform-style: preserve-3d;
  perspective: 1100px;
  padding-bottom: 7.5rem;
}

.artist-mark {
  position: relative;
  margin: 0;
  width: min(78vw, 980px);
  line-height: 0;
  transform: translate3d(calc(var(--mx) * 5px), calc(var(--my) * 4px), 0) rotateX(var(--rx)) rotateY(var(--ry));
  transition: opacity 700ms ease, filter 1200ms ease, transform 120ms linear;
  opacity: 0;
  filter: blur(18px);
  will-change: transform, filter;
}
.artist-mark img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 11px rgba(255,255,255,.16)) drop-shadow(0 0 30px rgba(255,255,255,.045));
}
body.reveal-mark .artist-mark { opacity: 1; filter: blur(0); }
body.distort .artist-mark { animation: mark-distort 490ms steps(2,end); }

.signal-stack {
  margin-top: clamp(2.4rem, 5.5vh, 4.8rem);
  min-height: 8.4rem;
  display: grid;
  place-items: start center;
  text-align: center;
}
.signal-stack p { grid-area: 1 / 1; margin: 0; }
.signal-detected {
  position: relative;
  font-family: var(--signal);
  font-size: clamp(.67rem, .88vw, 1rem);
  font-weight: 400;
  letter-spacing: .44em;
  color: rgba(255,255,255,.72);
  text-shadow: 0 0 10px rgba(255,255,255,.22);
  opacity: 0;
  transform: translateY(9px);
  transition: opacity 600ms ease, transform 700ms cubic-bezier(.2,.8,.2,1);
}
body.reveal-signal .signal-detected {
  opacity: 1;
  transform: translateY(0);
  animation: signal-blink 1.25s steps(2,end) infinite;
}

.frequency-message,
.transmission-message {
  margin-top: 2rem !important;
  opacity: 0;
  filter: blur(8px);
  transform: translateY(10px);
  transition: opacity 700ms ease, filter 900ms ease, transform 800ms cubic-bezier(.2,.8,.2,1);
}
.frequency-message {
  font-family: var(--signal);
  font-size: clamp(.72rem, .92vw, 1rem);
  letter-spacing: .20em;
  font-weight: 400;
  text-transform: none;
  color: rgba(245,244,240,.78);
}
.transmission-message {
  display: flex;
  flex-direction: column;
  gap: .62rem;
  font-family: var(--tech);
  font-size: clamp(.77rem, .95vw, 1.02rem);
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: lowercase;
  font-variant-caps: all-small-caps;
  color: rgba(245,244,240,.82);
  text-shadow: 0 0 8px rgba(255,255,255,.08);
}
.transmission-message span { display: block; }
body.reveal-frequency .frequency-message { opacity: 1; filter: blur(0); transform: translateY(0); }
body.shift-message .frequency-message { opacity: 0; filter: blur(6px); transform: translateY(-7px); }
body.shift-message .transmission-message { opacity: 1; filter: blur(0); transform: translateY(0); }

.command {
  position: relative;
  margin-top: clamp(.5rem, 2.3vh, 1.7rem);
  width: min(47vw, 690px);
  opacity: 0;
  filter: blur(10px);
  transform: translateY(14px) scale(.985);
  transition: opacity 650ms ease, filter 850ms ease, transform 850ms cubic-bezier(.2,.8,.2,1);
}
.command-wordmark {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 9px rgba(255,255,255,.10));
}
body.reveal-command .command {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0) scale(1);
}
body.period-hit .command { animation: tone-distort 490ms steps(2,end); }
.command-period-glow {
  position: absolute;
  right: .4%;
  top: 68%;
  width: .34rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255,255,255,.82);
  opacity: 0;
  box-shadow: 0 0 0 rgba(255,255,255,0);
}
body.period-hit .command-period-glow { animation: dot-impact 660ms cubic-bezier(.2,.9,.3,1); }

.vertical-signal {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 7%;
  bottom: 6%;
  width: 1px;
  opacity: 0;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.26) 18%, rgba(255,255,255,.03) 48%, rgba(255,255,255,.23) 81%, transparent);
  box-shadow: 0 0 16px rgba(255,255,255,.10);
  transform: translateX(-50%);
  transition: opacity 1.7s ease;
}
body.sequence-started .vertical-signal { opacity: .55; }
.pulse-core,
.pulse-ring {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 56%;
  border-radius: 999px;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(.15);
  opacity: 0;
}
.pulse-core {
  width: clamp(300px, 40vw, 740px);
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255,255,255,.045) 0, rgba(255,255,255,.014) 34%, transparent 70%);
}
body.sequence-started .pulse-core { animation: core-breathe 6.8s ease-in-out 1s infinite; }
.pulse-ring {
  width: min(64vw, 900px);
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,.13);
  box-shadow: 0 0 48px rgba(255,255,255,.027), inset 0 0 48px rgba(255,255,255,.02);
}
body.sequence-started .pulse-ring-one { animation: sonar 5.6s cubic-bezier(.2,.65,.25,1) 1.05s infinite; }
body.sequence-started .pulse-ring-two { animation: sonar 5.6s cubic-bezier(.2,.65,.25,1) 3.85s infinite; }
body.period-hit .landing::after {
  content: "";
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 57%;
  width: 32vmin;
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
  transform: translate(-50%,-50%) scale(.2);
  opacity: 0;
  animation: impact-ring 820ms cubic-bezier(.1,.72,.24,1);
}

.enter-frequency {
  position: absolute;
  z-index: 8;
  left: 50%;
  bottom: max(5.1vh, 2.15rem);
  transform: translate(-50%, 10px);
  display: inline-flex;
  align-items: center;
  gap: clamp(.8rem, 1.4vw, 1.45rem);
  min-height: 3.5rem;
  padding: .9rem 1.1rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--signal);
  font-size: clamp(.88rem, 1.18vw, 1.35rem);
  letter-spacing: .31em;
  font-weight: 400;
  white-space: nowrap;
  color: rgba(245,244,240,.72);
  text-shadow: 0 0 12px rgba(255,255,255,.12);
  opacity: 0;
  transition: opacity 700ms ease, color 220ms ease, letter-spacing 320ms ease, transform 240ms ease, text-shadow 240ms ease;
}
body.reveal-cta .enter-frequency { opacity: 1; transform: translate(-50%, 0); }
.enter-frequency:hover,
.enter-frequency:focus-visible {
  color: #fff;
  letter-spacing: .34em;
  transform: translate(-50%, -2px) scale(1.07);
  text-shadow: 0 0 18px rgba(255,255,255,.32);
  outline: none;
}
.enter-frequency .bracket { color: rgba(245,244,240,.52); font-size: 1.22em; }

.skip-intro {
  position: absolute;
  z-index: 8;
  right: 1.25rem;
  top: 1.25rem;
  border: 0;
  background: transparent;
  color: rgba(245,244,240,.15);
  font-family: var(--signal);
  font-size: .5rem;
  letter-spacing: .18em;
  cursor: pointer;
  opacity: 0;
  transition: opacity 500ms ease, color 200ms ease;
}
body.sequence-started .skip-intro { opacity: 1; }
.skip-intro:hover, .skip-intro:focus-visible { color: rgba(245,244,240,.58); outline: none; }
body.sequence-complete .skip-intro { opacity: 0; pointer-events: none; }

/* Join + confirmation experience */
.join-panel {
  z-index: 20;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(5%);
  clip-path: inset(100% 0 0 0);
  transition:
    opacity 500ms ease,
    visibility 0s linear 700ms,
    transform 700ms cubic-bezier(.16,.84,.18,1),
    clip-path 820ms cubic-bezier(.16,.84,.18,1);
}
body.join-open .join-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  clip-path: inset(0 0 0 0);
  transition-delay: 0s;
}
body.join-open .landing { pointer-events: none; }
.visual-layer-join {
  opacity: .48;
  filter: saturate(.45) contrast(1.05) blur(.4px);
  transform: scale(1.08);
  background-position: center 42%;
}
.join-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 44% 92% at 50% 50%, rgba(0,0,0,.99) 0%, rgba(0,0,0,.91) 44%, rgba(0,0,0,.62) 74%, rgba(0,0,0,.28) 100%),
    linear-gradient(to bottom, rgba(0,0,0,.15), rgba(0,0,0,.55));
}
.join-axis {
  position: absolute;
  left: 50%;
  top: 4%;
  bottom: 4%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.18) 22%, rgba(255,255,255,.02) 50%, rgba(255,255,255,.18) 80%, transparent);
  opacity: .45;
}
.join-shell {
  position: relative;
  z-index: 4;
  width: min(91vw, 720px);
  min-height: 100svh;
  margin: 0 auto;
  padding: clamp(5.2rem, 8.5vh, 7.3rem) 0 3.4rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.return-signal {
  position: absolute;
  top: 1.6rem;
  left: 0;
  border: 0;
  background: transparent;
  color: rgba(245,244,240,.30);
  padding: .55rem 0;
  font-family: var(--signal);
  font-size: .5rem;
  letter-spacing: .19em;
  cursor: pointer;
  transition: color 200ms ease, transform 200ms ease;
}
.return-signal:hover, .return-signal:focus-visible { color: #fff; transform: translateX(-2px); outline: none; }
.join-copy { text-align: center; }
.join-mark,
.success-mark {
  width: min(72vw, 560px);
  margin: 0 auto 2.25rem;
  line-height: 0;
}
.join-mark img,
.success-mark img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 10px rgba(255,255,255,.13));
}

.eyebrow {
  margin: 0 0 1rem;
  font-family: var(--signal);
  color: rgba(245,244,240,.63);
  font-size: .58rem;
  letter-spacing: .38em;
  text-align: center;
}
.join-copy h2,
.success-state h2 {
  margin: 0;
  font-family: var(--command);
  font-size: clamp(.95rem, 2vw, 1.55rem);
  line-height: 1.25;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-variant-caps: normal;
  font-weight: 400;
  color: rgba(245,244,240,.88);
}
.join-subhead {
  margin: 1rem auto 0;
  color: rgba(245,244,240,.44);
  font-family: var(--tech);
  font-size: clamp(.75rem, 1.15vw, .9rem);
  letter-spacing: .16em;
  line-height: 1.6;
  text-transform: lowercase;
  font-variant-caps: all-small-caps;
}
.frequency-form {
  margin-top: clamp(2.7rem, 5.5vh, 4rem);
  border-top: 1px solid rgba(245,244,240,.13);
}
.field {
  display: grid;
  grid-template-columns: minmax(108px, .28fr) 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
  min-height: 4.55rem;
  transition: border-color 180ms ease, background 180ms ease;
}
.field > span {
  color: rgba(245,244,240,.39);
  font-family: var(--signal);
  font-size: .54rem;
  letter-spacing: .25em;
}
.field input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: #fff;
  font-family: var(--tech);
  font-size: clamp(.98rem, 1.8vw, 1.14rem);
  letter-spacing: .04em;
  padding: 1rem 0;
  border-radius: 0;
  caret-color: #fff;
}
.field input::placeholder { color: rgba(245,244,240,.18); }
.field:focus-within { border-color: rgba(245,244,240,.62); background: rgba(255,255,255,.012); }
.hp-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; opacity: 0 !important; }

.consent-row {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: .85rem;
  align-items: start;
  margin-top: 1.45rem;
  cursor: pointer;
}
.consent-row input { position: absolute; opacity: 0; pointer-events: none; }
.checkmark {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  border: 1px solid rgba(245,244,240,.38);
  position: relative;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.consent-row input:checked + .checkmark { background: #f4f3ef; border-color: #f4f3ef; box-shadow: 0 0 12px rgba(255,255,255,.14); }
.consent-row input:checked + .checkmark::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 9px;
  border: solid #000;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.consent-copy {
  color: rgba(245,244,240,.35);
  font-family: var(--tech);
  font-size: .67rem;
  line-height: 1.55;
  letter-spacing: .015em;
}
.consent-copy a { text-underline-offset: 3px; }
.form-error {
  min-height: 1.2rem;
  margin: 1.15rem 0 0;
  color: rgba(255,255,255,.76);
  font-family: var(--signal);
  font-size: .54rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.submit-frequency {
  position: relative;
  width: 100%;
  margin-top: 1.45rem;
  min-height: 4.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  border: 1px solid rgba(245,244,240,.30);
  background: rgba(0,0,0,.32);
  color: rgba(245,244,240,.78);
  font-family: var(--signal);
  font-size: clamp(.67rem, 1vw, .84rem);
  letter-spacing: .31em;
  cursor: pointer;
  transition: color 220ms ease, border-color 220ms ease, transform 220ms ease, background 220ms ease, box-shadow 220ms ease;
}
.submit-frequency:hover,
.submit-frequency:focus-visible {
  color: #fff;
  border-color: rgba(255,255,255,.8);
  background: rgba(255,255,255,.025);
  transform: scale(1.018);
  box-shadow: 0 0 28px rgba(255,255,255,.035), inset 0 0 24px rgba(255,255,255,.018);
  outline: none;
}
.submit-frequency:disabled { cursor: wait; opacity: .55; }
.submit-bracket { color: rgba(245,244,240,.48); font-size: 1.25em; }
.submit-loader {
  display: none;
  width: 15px;
  height: 15px;
  border: 1px solid rgba(255,255,255,.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.submit-frequency.loading .submit-label,
.submit-frequency.loading .submit-bracket { display: none; }
.submit-frequency.loading .submit-loader { display: block; }

.success-state {
  display: none;
  min-height: min(72vh, 690px);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  position: relative;
}
.success-state.visible { display: flex; animation: success-in 900ms cubic-bezier(.2,.8,.2,1) both; }
body.signal-locked .return-signal { opacity: 0; pointer-events: none; }
.success-mark { margin: 0 auto clamp(3rem, 7vh, 5.3rem); }
.success-orbit {
  position: absolute;
  left: 50%;
  top: 56%;
  width: min(62vw, 460px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  box-shadow: 0 0 44px rgba(255,255,255,.03), inset 0 0 44px rgba(255,255,255,.018);
  animation: success-orbit 5.4s ease-in-out infinite;
  pointer-events: none;
}
.success-state .eyebrow { position: relative; z-index: 2; color: rgba(245,244,240,.78); font-size: .66rem; }
.success-state h2 { position: relative; z-index: 2; margin-top: .75rem; }
.success-copy {
  position: relative;
  z-index: 2;
  margin: .8rem 0 0;
  font-family: var(--tech);
  font-size: clamp(.78rem, 1.1vw, .92rem);
  letter-spacing: .20em;
  font-variant-caps: all-small-caps;
  text-transform: lowercase;
  color: rgba(245,244,240,.60);
}
.success-command {
  width: min(54vw, 420px);
  margin: 2.4rem auto 0;
  line-height: 0;
  opacity: .82;
}
.success-command img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 8px rgba(255,255,255,.08));
}

@keyframes signal-blink {
  0%, 42%, 100% { opacity: 1; }
  43%, 58% { opacity: .34; }
  59%, 70% { opacity: .78; }
  71%, 80% { opacity: .42; }
  81% { opacity: 1; }
}
@keyframes sonar {
  0% { opacity: 0; transform: translate(-50%,-50%) scale(.18); }
  12% { opacity: .34; }
  72% { opacity: .05; }
  100% { opacity: 0; transform: translate(-50%,-50%) scale(1.22); }
}
@keyframes core-breathe {
  0%,100% { opacity: .18; transform: translate(-50%,-50%) scale(.9); }
  50% { opacity: .46; transform: translate(-50%,-50%) scale(1.05); }
}
@keyframes impact-ring {
  0% { opacity: .75; transform: translate(-50%,-50%) scale(.18); }
  100% { opacity: 0; transform: translate(-50%,-50%) scale(3.25); }
}
@keyframes period-hit {
  0% { transform: scale(1); text-shadow: 0 0 0 rgba(255,255,255,0); }
  30% { transform: scale(1.9); text-shadow: 0 0 22px rgba(255,255,255,.72); }
  100% { transform: scale(1); text-shadow: 0 0 0 rgba(255,255,255,0); }
}
@keyframes tone-distort {
  0%,100% { transform: translateX(0); filter: blur(0); }
  35% { transform: translateX(2px); filter: blur(.5px); }
  62% { transform: translateX(-2px); filter: blur(.2px); }
}
@keyframes mark-distort {
  0%,100% { transform: translate3d(calc(var(--mx) * 5px), calc(var(--my) * 4px), 0) rotateX(var(--rx)) rotateY(var(--ry)); filter: blur(0); }
  35% { transform: translate3d(calc(var(--mx) * 5px - 3px), calc(var(--my) * 4px), 0) rotateX(var(--rx)) rotateY(var(--ry)); filter: blur(.4px); }
  62% { transform: translate3d(calc(var(--mx) * 5px + 4px), calc(var(--my) * 4px), 0) rotateX(var(--rx)) rotateY(var(--ry)); filter: blur(.15px); }
}
@keyframes dot-impact {
  0% { opacity: 0; transform: scale(.5); box-shadow: 0 0 0 rgba(255,255,255,0); }
  28% { opacity: 1; transform: scale(2.1); box-shadow: 0 0 22px rgba(255,255,255,.75); }
  100% { opacity: 0; transform: scale(1); box-shadow: 0 0 0 rgba(255,255,255,0); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes success-in {
  from { opacity: 0; filter: blur(9px); transform: translateY(14px); }
  to { opacity: 1; filter: blur(0); transform: translateY(0); }
}
@keyframes success-orbit {
  0%,100% { opacity: .36; transform: translate(-50%,-50%) scale(.96); }
  50% { opacity: .74; transform: translate(-50%,-50%) scale(1.04); }
}

@media (max-width: 720px) {
  .visual-layer { background-image: url('/visual-bg-mobile.jpg'); background-position: center top; }
  .landing-center { width: 94vw; padding-bottom: 6.5rem; }
  .artist-mark { width: min(92vw, 640px); }
  .signal-stack { margin-top: 2.55rem; min-height: 8.6rem; }
  .signal-detected { font-size: .55rem; letter-spacing: .30em; }
  .frequency-message { font-size: .62rem; letter-spacing: .16em; }
  .transmission-message { font-size: .67rem; letter-spacing: .20em; gap: .5rem; }
  .command { width: min(76vw, 430px); margin-top: .75rem; }
  .enter-frequency { bottom: max(4.1vh, 1.55rem); font-size: .68rem; letter-spacing: .20em; gap: .72rem; }
  .enter-frequency:hover, .enter-frequency:focus-visible { letter-spacing: .22em; }
  .skip-intro { display: none; }
  .pulse-ring { width: 92vw; }
  .join-shell { width: min(88vw, 600px); padding-top: 5.7rem; justify-content: flex-start; }
  .join-mark, .success-mark { width: min(86vw, 500px); }
  .field { grid-template-columns: 1fr; gap: .35rem; min-height: 5.15rem; padding: .9rem 0 .65rem; }
  .field > span { font-size: .49rem; }
  .field input { padding: .25rem 0 .4rem; font-size: 1rem; }
  .submit-frequency { font-size: .57rem; letter-spacing: .21em; gap: .65rem; }
  .consent-copy { font-size: .64rem; }
  .success-orbit { width: 78vw; }
}

@media (max-height: 720px) and (min-width: 721px) {
  .landing-center { transform: scale(.88); padding-bottom: 5rem; }
  .enter-frequency { bottom: 1.2rem; }
  .signal-stack { margin-top: 2.2rem; }
  .join-shell { padding-top: 4.5rem; padding-bottom: 2rem; }
  .frequency-form { margin-top: 2rem; }
  .field { min-height: 3.9rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .visual-layer { transition: none; }
}
