/* ── Visitor CTA — signed-out public profile conversion ── */
.visitor-cta {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  z-index: 14;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(28, 28, 30, 0.62);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 8px 28px rgba(0, 0, 0, 0.32),
    0 0 20px rgba(var(--accent-r), 0.08);
  color: var(--text-primary);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(10px);
  transition:
    opacity 0.55s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.55s cubic-bezier(0.25, 0.1, 0.25, 1),
    visibility 0.55s cubic-bezier(0.25, 0.1, 0.25, 1),
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
  pointer-events: none;
}

.visitor-cta[hidden] {
  display: none !important;
}

.visitor-cta.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.visitor-cta:hover,
.visitor-cta:focus-visible {
  background: rgba(36, 36, 40, 0.78);
  border-color: rgba(var(--accent-r), 0.28);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    0 10px 32px rgba(0, 0, 0, 0.38),
    0 0 24px rgba(var(--accent-r), 0.14);
  transform: translateX(-50%) translateY(-2px);
  outline: none;
}

.visitor-cta__label {
  position: relative;
  display: inline-grid;
  align-items: center;
  justify-items: center;
  white-space: nowrap;
}

.visitor-cta__default,
.visitor-cta__hover {
  grid-area: 1 / 1;
  transition: opacity 0.32s ease, transform 0.32s ease;
}

.visitor-cta__hover {
  opacity: 0;
  transform: translateY(3px);
}

.visitor-cta:hover .visitor-cta__default,
.visitor-cta:focus-visible .visitor-cta__default {
  opacity: 0;
  transform: translateY(-3px);
}

.visitor-cta:hover .visitor-cta__hover,
.visitor-cta:focus-visible .visitor-cta__hover {
  opacity: 1;
  transform: translateY(0);
}

.visitor-cta__brand {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 520px) {
  .visitor-cta {
    min-height: 34px;
    padding: 0 14px;
    font-size: 0.72rem;
    bottom: calc(18px + env(safe-area-inset-bottom, 0px));
    max-width: calc(100vw - 32px - env(safe-area-inset-left, 0px) - env(safe-area-inset-right, 0px));
  }

  .visitor-cta__label {
    white-space: normal;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .visitor-cta,
  .visitor-cta__default,
  .visitor-cta__hover {
    transition: none;
  }
}