/* Homepage signal switcher */
.signal-switcher {
  padding-top: 34px;
  padding-bottom: 120px;
}

.signal-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.signal-tab {
  --hp: 16px;
  position: relative;
  min-height: 74px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 14px 28px;
  border: 0;
  clip-path: polygon(var(--hp) 0, calc(100% - var(--hp)) 0, 100% 50%, calc(100% - var(--hp)) 100%, var(--hp) 100%, 0 50%);
  background: rgba(255,255,255,0.035);
  color: var(--muted-strong);
  text-align: center;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, filter 180ms ease, transform 180ms ease;
}

.signal-tab::after {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  clip-path: inherit;
  background: #0d0b12;
  transition: background 180ms ease;
}

.signal-tab span {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-tab small {
  color: var(--muted-soft);
  font-size: 11px;
  letter-spacing: 0.02em;
}

.signal-tab:hover {
  color: var(--text);
  transform: translateY(-1px);
  filter: drop-shadow(0 8px 18px rgba(0,0,0,0.34));
}

.signal-tab:hover::after {
  background: #15111d;
}

.signal-tab.is-active {
  background: linear-gradient(90deg, #eadfff 0 17%, #c4a8ff 17% 40%, #9460ff 40% 63%, #7345d6 63% 83%, #5a7cff 83% 100%);
  color: var(--text);
  filter: drop-shadow(0 10px 22px rgba(120,69,226,0.24));
}

.signal-tab.is-active::after {
  background: #191322;
}

.signal-tab.is-active small {
  color: var(--muted-strong);
}

.signal-tab:focus-visible {
  outline: none;
  filter: drop-shadow(0 0 0.5px #fff) drop-shadow(0 0 7px rgba(148,96,255,0.9));
}

.signal-stage {
  position: relative;
  height: var(--signal-panel-height, 760px);
  min-height: 525px;
  margin-top: 18px;
  overflow: hidden;
  border: 0;
  background: transparent;
  isolation: isolate;
}

.signal-stage.is-switching {
  transition: none;
}

.signal-stage::after {
  content: none;
}

.signal-content {
  position: relative;
  z-index: 2;
  padding: clamp(36px, 5vw, 62px);
}

.signal-measure {
  position: absolute;
  inset: 0 0 auto;
  z-index: -10;
  visibility: hidden;
  pointer-events: none;
}

.signal-incoming {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(135deg, #000 0 47%, transparent 53%);
  mask-image: linear-gradient(135deg, #000 0 47%, transparent 53%);
  -webkit-mask-size: 300% 300%;
  mask-size: 300% 300%;
  -webkit-mask-position: 100% 100%;
  mask-position: 100% 100%;
}

.signal-stage.is-switching .signal-incoming {
  animation: signalContentReveal 2200ms linear both;
}

.signal-stage.is-switching > [data-signal-content] {
  -webkit-mask-image: linear-gradient(135deg, transparent 0 47%, #000 53%);
  mask-image: linear-gradient(135deg, transparent 0 47%, #000 53%);
  -webkit-mask-size: 300% 300%;
  mask-size: 300% 300%;
  animation: signalContentErase 2200ms linear both;
}

.signal-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: end;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--border);
}

.signal-intro h2 {
  max-width: 760px;
  margin: 0 0 14px;
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.signal-intro p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.signal-text-link {
  position: relative;
  align-self: end;
  padding: 8px 0;
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.signal-text-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 1px;
  background: linear-gradient(90deg, var(--primary-light), transparent);
  transform-origin: left;
  transition: transform 180ms ease;
}

.signal-text-link:hover::after {
  transform: scaleX(0.58);
}

.signal-status {
  display: inline-block;
  margin-bottom: 16px;
  padding: 7px 14px;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  background: rgba(148,96,255,0.14);
  color: var(--primary-light);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-feature-composition {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: clamp(30px, 5vw, 70px);
  padding-top: 42px;
}

.signal-feature-lead {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.signal-mark,
.signal-provider-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  background: linear-gradient(135deg, #c4a8ff 0 32%, #9460ff 32% 67%, #5a7cff 67% 100%);
  color: #0b0912;
  font-family: "Quantum", Arial, sans-serif;
  font-weight: 400;
}

.signal-mark {
  width: 72px;
  height: 63px;
  font-size: 25px;
  line-height: 1;
  text-align: center;
}

.signal-mark > span {
  display: block;
  transform: translate(-1px, -2px);
}

.signal-feature-lead h3,
.signal-process h3,
.signal-provider-grid h3,
.signal-feature-lines h3 {
  margin: 0 0 9px;
  color: var(--text);
}

.signal-feature-lead h3 {
  font-size: clamp(25px, 3vw, 37px);
  line-height: 1.12;
}

.signal-feature-lead > div > p,
.signal-process p,
.signal-provider-grid p,
.signal-feature-lines p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.68;
}

.signal-conversation {
  grid-column: 1 / -1;
  display: grid;
  gap: 10px;
  margin-top: 10px;
  padding-left: 96px;
}

.signal-conversation p {
  width: fit-content;
  max-width: 88%;
  margin: 0;
  padding: 12px 15px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.025);
  color: var(--muted-strong);
  font-size: 13px;
  line-height: 1.55;
}

.signal-conversation p:first-child {
  justify-self: end;
  border-color: transparent;
  background: rgba(148,96,255,0.18);
  color: var(--text);
}

.signal-feature-lines {
  display: grid;
  align-content: start;
}

.signal-feature-lines article {
  display: grid;
  grid-template-columns: 135px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--border);
}

.signal-feature-lines article:last-child {
  border-bottom: 1px solid var(--border);
}

.signal-feature-lines h3 {
  font-size: 15px;
}

.signal-process {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding-top: 42px;
}

.signal-process article {
  min-height: 210px;
  padding: 28px;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border);
}

.signal-process article + article {
  border-left: 1px solid var(--border);
}

.signal-process span {
  display: inline-block;
  margin-bottom: 30px;
  color: var(--primary-light);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-process h3 {
  font-size: 21px;
}

.signal-provider-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding-top: 42px;
}

.signal-provider-grid article {
  display: flex;
  gap: 24px;
  padding: 30px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.signal-provider-mark {
  width: 58px;
  height: 51px;
  font-size: 20px;
  line-height: 1;
  text-align: center;
}

.signal-provider-mark > span {
  display: block;
  transform: translate(-1px, -2px);
}

.signal-provider-grid h3 {
  font-size: 23px;
}

.signal-provider-grid code {
  display: inline-block;
  margin-top: 16px;
  padding: 7px 10px;
  background: #0b0912;
  color: var(--primary-light);
  font-size: 12px;
}

.signal-note {
  margin: 24px 0 0;
  color: var(--muted-strong);
  font-size: 13px;
}

.signal-faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 46px;
  padding-top: 28px;
}

.signal-faq-column {
  min-width: 0;
}

.signal-faq details {
  interpolate-size: allow-keywords;
  border-bottom: 1px solid var(--border);
}

.signal-faq details::details-content {
  block-size: 0;
  overflow: hidden;
  opacity: 0;
  transition: block-size 380ms ease, opacity 260ms ease;
}

.signal-faq details[open]::details-content {
  block-size: auto;
  opacity: 1;
}

.signal-faq summary {
  position: relative;
  padding: 22px 42px 22px 0;
  color: var(--muted-strong);
  font-size: 15px;
  font-weight: 700;
  list-style: none;
  cursor: pointer;
}

.signal-faq summary::-webkit-details-marker {
  display: none;
}

.signal-faq summary::after {
  content: "";
  position: absolute;
  top: 25px;
  right: 4px;
  width: 18px;
  height: 16px;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  background: var(--primary);
  transition: transform 180ms ease, background 180ms ease;
}

.signal-faq details[open] summary::after {
  transform: rotate(30deg) scale(0.72);
  background: var(--primary-light);
}

.signal-faq p {
  margin: -4px 40px 22px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.signal-breath {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  overflow: hidden;
}

.signal-breath i {
  position: absolute;
  top: var(--tile-top);
  left: var(--tile-left);
  width: 64px;
  height: 56px;
  clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%);
  z-index: 1;
  background: #7655b6;
  opacity: 0;
}

.signal-breath i::after {
  content: "";
  position: absolute;
  inset: 2px;
  clip-path: inherit;
  background: #14101c;
}

.signal-stage.is-switching .signal-breath {
  opacity: 1;
}

.signal-stage.is-switching .signal-breath i {
  animation: signalHexWave 760ms cubic-bezier(0.45, 0, 0.2, 1) both;
  animation-delay: var(--wave-delay);
}

@keyframes signalContentReveal {
  0% {
    -webkit-mask-position: 100% 100%;
    mask-position: 100% 100%;
  }
  100% {
    -webkit-mask-position: 0 0;
    mask-position: 0 0;
  }
}

@keyframes signalContentErase {
  0% {
    -webkit-mask-position: 100% 100%;
    mask-position: 100% 100%;
  }
  100% {
    -webkit-mask-position: 0 0;
    mask-position: 0 0;
  }
}

@keyframes signalHexWave {
  0% {
    opacity: 0;
    transform: scale(0.62);
    filter: brightness(0.65) drop-shadow(0 0 0 rgba(118,85,182,0));
  }
  24% {
    opacity: 1;
    transform: scale(1.03);
    filter: brightness(1.16) drop-shadow(0 0 5px rgba(118,85,182,0.9)) drop-shadow(0 0 13px rgba(118,85,182,0.5));
  }
  54% {
    opacity: 1;
    transform: scale(1);
    filter: brightness(1) drop-shadow(0 0 4px rgba(118,85,182,0.72)) drop-shadow(0 0 9px rgba(118,85,182,0.34));
  }
  100% {
    opacity: 0;
    transform: scale(0.7);
    filter: brightness(0.66) drop-shadow(0 0 0 rgba(118,85,182,0));
  }
}

@media (max-width: 880px) {
  .signal-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .signal-feature-composition,
  .signal-provider-grid {
    grid-template-columns: 1fr;
  }
  .signal-process {
    grid-template-columns: 1fr;
  }
  .signal-process article {
    min-height: 0;
  }
  .signal-process article + article {
    border-left: 0;
    border-top-color: var(--border);
  }
}

@media (max-width: 620px) {
  .signal-switcher {
    padding-top: 18px;
    padding-bottom: 86px;
  }
  .signal-tabs {
    gap: 7px;
    padding: 12px 0;
  }
  .signal-tab {
    --hp: 12px;
    min-height: 64px;
    padding: 11px 18px;
  }
  .signal-tab span {
    font-size: 11px;
  }
  .signal-tab small {
    font-size: 11px;
  }
  .signal-stage {
    min-height: 0;
  }
  .signal-content {
    padding: 28px 22px 32px;
  }
  .signal-intro {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-bottom: 28px;
  }
  .signal-intro h2 {
    font-size: clamp(30px, 10vw, 42px);
  }
  .signal-intro p {
    font-size: 15px;
  }
  .signal-text-link {
    justify-self: start;
  }
  .signal-feature-composition {
    padding-top: 30px;
  }
  .signal-feature-lead {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 16px;
  }
  .signal-mark {
    width: 58px;
    height: 51px;
    font-size: 20px;
  }
  .signal-conversation {
    padding-left: 0;
  }
  .signal-feature-lines article {
    grid-template-columns: 1fr;
    gap: 7px;
  }
  .signal-provider-grid article {
    padding: 24px 20px;
  }
  .signal-faq {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .signal-stage.is-switching .signal-breath,
  .signal-stage.is-switching .signal-breath i {
    animation: none !important;
  }
  .signal-stage.is-switching {
    transition: none;
  }
}