/* Assinatura nativa da ZCORP. O símbolo original permanece intacto. */
.zx-brand-animated .zx-brand-mark {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  transform-origin: 50% 50%;
  line-height: 0;
}
.zx-brand-animated .zx-brand-mark img {
  display: block;
  max-width: 100%;
}
.zx-brand-animated .zx-brand-word {
  display: inline-block;
  color: var(--color-ink-primary);
  font-weight: 700;
  transform-origin: 0 50%;
}
@media (prefers-reduced-motion: no-preference) {
  .zx-brand-animated.zx-brand-is-playing .zx-brand-mark {
    animation: zx-brand-mark-enter 920ms cubic-bezier(.22, 1, .36, 1) both;
  }
  .zx-brand-animated.zx-brand-is-playing .zx-brand-word {
    animation: zx-brand-word-enter 720ms cubic-bezier(.22, 1, .36, 1) 160ms both;
  }
  @keyframes zx-brand-mark-enter {
    0% {
      opacity: .15;
      transform: translateY(3px) rotate(-22deg) scale(.92);
      filter: drop-shadow(0 0 0 var(--color-voltage-soft));
    }
    42% {
      opacity: 1;
      transform: translateY(0) rotate(3deg) scale(1.015);
      filter: drop-shadow(0 0 12px var(--color-voltage-glow));
    }
    76%, 100% {
      opacity: 1;
      transform: translateY(0) rotate(0) scale(1);
      filter: drop-shadow(0 0 0 var(--color-voltage-soft));
    }
  }
  @keyframes zx-brand-word-enter {
    from {
      opacity: .15;
      clip-path: inset(0 100% 0 0);
      transform: translateX(-5px);
    }
    to {
      opacity: 1;
      clip-path: inset(0 0 0 0);
      transform: translateX(0);
    }
  }
}
@media (prefers-reduced-motion: reduce) {
  .zx-brand-animated .zx-brand-mark,
  .zx-brand-animated .zx-brand-word {
    animation: none !important;
    opacity: 1;
    transform: none;
    filter: none;
    clip-path: none;
  }
}

/* Página opcional de demonstração. Seletores isolados da landing. */
body.zx-signature-page {
  margin: 0;
  min-width: 280px;
  min-height: 100svh;
  color: var(--color-ink-primary);
  font-family: var(--font-body), sans-serif;
}
.zx-signature-page * { box-sizing: border-box; }
.zx-signature-shell {
  display: grid;
  align-content: center;
  min-height: 100svh;
  width: min(100%, 1160px);
  margin: 0 auto;
  padding: 32px;
}
.zx-signature-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: min(580px, 70svh);
  padding: 72px 32px;
  overflow: hidden;
  isolation: isolate;
}
.zx-signature-eyebrow {
  color: var(--color-ink-secondary);
  margin: 0 0 60px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.zx-signature-brand {
  display: inline-flex;
  align-items: center;
  gap: clamp(14px, 2vw, 24px);
  font-size: clamp(40px, 9.3vw, 108px);
  letter-spacing: -.065em;
  line-height: 1;
}
.zx-signature-brand .zx-brand-mark img {
  width: clamp(46px, 10.5vw, 120px);
  height: auto;
  aspect-ratio: 1;
}
.zx-signature-caption {
  color: var(--color-ink-secondary);
  font-size: 14px;
  line-height: 1.7;
  text-align: center;
  margin: 44px 0 0;
}
.zx-signature-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 28px;
}
.zx-signature-back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 4px;
  color: var(--color-ink-secondary);
  text-decoration: none;
  font-size: 13px;
}
.zx-signature-back:hover { color: var(--color-ink-primary); }
.zx-signature-controls .ds-btn { min-height: 46px; cursor: pointer; }
.zx-signature-note {
  margin: 24px 0 0;
  font-size: 11px;
  color: var(--color-ink-secondary);
  line-height: 1.6;
}
.zx-signature-page :focus-visible {
  outline: 2px solid var(--color-voltage);
  outline-offset: 6px;
}
@media (max-width: 600px) {
  .zx-signature-shell { padding: 18px; }
  .zx-signature-stage { padding: 48px 22px; min-height: 440px; }
  .zx-signature-eyebrow { font-size: 10px; margin-bottom: 50px; }
  .zx-signature-caption { font-size: 12px; margin-top: 32px; }
  .zx-signature-controls { gap: 12px; }
  .zx-signature-controls .ds-btn { font-size: 12px; }
}