/* ═══════════════════════════════════════════════════════════════════════════
   The Herald Beacon — persistent capture surface for The Unicode Herald.
   First-visit only, dismissible, enterprise-grade. GPU-only motion; no CLS.
   ═══════════════════════════════════════════════════════════════════════════ */

.herald-beacon {
  --hb-void: #0a0a0a;
  --hb-void-2: #111111;
  --hb-gold: #d4af37;
  --hb-gold-bright: #f0d878;
  --hb-gold-dim: rgba(212, 175, 55, 0.35);
  --hb-ivory: #f5f0e1;
  --hb-dim: #a0a0a0;
  --hb-ease: cubic-bezier(0.22, 1, 0.36, 1);

  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  font-family: var(--font-body, 'Inter', system-ui, sans-serif);
}

/* ─── Seal ─── */
.herald-beacon__seal {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  padding: 0;
  border: 2px solid var(--hb-gold);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--hb-void-2), var(--hb-void) 70%);
  cursor: pointer;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.6),
    0 8px 28px rgba(0, 0, 0, 0.55),
    0 0 18px var(--hb-gold-dim);
  transition: transform 0.35s var(--hb-ease), box-shadow 0.35s var(--hb-ease);
}

.herald-beacon__seal:hover,
.herald-beacon__seal:focus-visible {
  transform: translateY(-2px) scale(1.04);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.6),
    0 12px 34px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(212, 175, 55, 0.55);
  outline: none;
}

.herald-beacon__seal:focus-visible {
  outline: 2px solid var(--hb-gold-bright);
  outline-offset: 3px;
}

.herald-beacon__seal svg {
  width: 30px;
  height: 30px;
  color: var(--hb-gold-bright);
  transition: transform 0.35s var(--hb-ease);
}

/* Breathing ring — opacity/transform only */
.herald-beacon__pulse {
  position: absolute;
  inset: -2px;
  border: 2px solid var(--hb-gold);
  border-radius: 50%;
  pointer-events: none;
  animation: hb-pulse 3.2s var(--hb-ease) infinite;
}

@keyframes hb-pulse {
  0% { transform: scale(1); opacity: 0.55; }
  70% { transform: scale(1.55); opacity: 0; }
  100% { transform: scale(1.55); opacity: 0; }
}

/* ─── Card ─── */
.herald-beacon__card {
  position: absolute;
  bottom: 76px;
  right: 0;
  width: min(380px, calc(100vw - 48px));
  background: linear-gradient(180deg, var(--hb-void-2), var(--hb-void) 60%);
  border: 1px solid var(--hb-gold-dim);
  border-radius: 14px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.65), 0 0 24px rgba(212, 175, 55, 0.08);
  padding: 1.5rem 1.5rem 1.25rem;
  opacity: 0;
  transform: translateY(12px) scale(0.97);
  transform-origin: bottom right;
  pointer-events: none;
  transition: opacity 0.3s var(--hb-ease), transform 0.3s var(--hb-ease);
}

.herald-beacon__card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 14px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.55), transparent 40%, transparent 70%, rgba(212, 175, 55, 0.25));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.herald-beacon--open .herald-beacon__card {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.herald-beacon--open .herald-beacon__pulse { display: none; }

.herald-beacon__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  background: none;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--hb-dim);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.herald-beacon__close:hover,
.herald-beacon__close:focus-visible {
  color: var(--hb-gold-bright);
  border-color: var(--hb-gold-dim);
  outline: none;
}

.herald-beacon__kicker {
  margin: 0 0 0.35rem;
  font-family: var(--font-display, 'Cinzel', serif);
  font-size: 0.68rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--hb-gold);
}

.herald-beacon__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-display, 'Cinzel', serif);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--hb-ivory);
}

.herald-beacon__pitch {
  margin: 0 0 1.1rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--hb-dim);
}

.herald-beacon__pitch em {
  color: var(--hb-gold-bright);
  font-style: normal;
}

/* ─── Form ─── */
.herald-beacon__form { display: grid; gap: 0.6rem; }

.herald-beacon__field {
  width: 100%;
  padding: 0.72rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 8px;
  color: var(--hb-ivory);
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.herald-beacon__field::placeholder { color: rgba(160, 160, 160, 0.6); }

.herald-beacon__field:focus {
  outline: none;
  border-color: var(--hb-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.16);
}

.herald-beacon__field[aria-invalid='true'] {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.16);
}

.herald-beacon__optional {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(160, 160, 160, 0.65);
}

.herald-beacon__submit {
  margin-top: 0.2rem;
  padding: 0.78rem 1rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #e8c558, var(--hb-gold));
  color: #14100a;
  font-family: var(--font-display, 'Cinzel', serif);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.25s var(--hb-ease), box-shadow 0.25s var(--hb-ease), filter 0.2s;
}

.herald-beacon__submit:hover,
.herald-beacon__submit:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 8px 22px rgba(212, 175, 55, 0.35);
  outline: none;
}

.herald-beacon__submit:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
  box-shadow: none;
}

.herald-beacon__micro {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  color: rgba(160, 160, 160, 0.6);
  text-align: center;
}

.herald-beacon__error {
  display: block;
  font-size: 0.78rem;
  color: #e08073;
  min-height: 1em;
}

.herald-beacon__success {
  text-align: center;
  padding: 0.5rem 0 0.25rem;
}

.herald-beacon__success-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 0.7rem;
  border: 1.5px solid var(--hb-gold);
  border-radius: 50%;
  color: var(--hb-gold-bright);
  font-size: 1.2rem;
}

.herald-beacon__success p {
  margin: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--hb-ivory);
  line-height: 1.5;
}

.herald-beacon__success .herald-beacon__snippet {
  margin-top: 0.75rem;
  font-family: Georgia, serif;
  font-style: italic;
  font-size: 0.82rem;
  color: var(--hb-dim);
  border-top: 1px solid var(--hb-gold-dim);
  padding-top: 0.75rem;
}

/* Honeypot — invisible to humans, not to bots */
.herald-beacon__hp {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* ─── Mobile: bottom sheet ─── */
@media (max-width: 640px) {
  .herald-beacon { bottom: 16px; right: 16px; }

  .herald-beacon__card {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    width: auto;
    transform-origin: bottom center;
    padding-bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  .herald-beacon__pulse { animation: none; display: none; }
  .herald-beacon__seal,
  .herald-beacon__card,
  .herald-beacon__submit { transition: none; }
}