/* ==========================================================================
   ANIMACIONES CSS & MOTOR DE APERTURAS CEREMONIALES DE ALTA COSTURA (16 RITUALES)
   ========================================================================== */

@keyframes pulseGentle {
  0%, 100% {
    transform: scale(1);
    opacity: 0.92;
  }
  50% {
    transform: scale(1.03);
    opacity: 1;
  }
}

@keyframes spinRecord {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmerGold {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulseHalo {
  0%, 100% { transform: scale(0.96); opacity: 0.5; }
  50% { transform: scale(1.06); opacity: 0.95; }
}

@keyframes gatesAura {
  0%, 100% { opacity: 0.4; transform: scaleX(1); }
  50% { opacity: 0.8; transform: scaleX(1.04); }
}

@keyframes vortexSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.shimmer-effect {
  background: linear-gradient(90deg, transparent, rgba(243, 229, 171, 0.25), transparent);
  background-size: 200% 100%;
  animation: shimmerGold 3s infinite;
}

.float-animation {
  animation: floatCard 4s ease-in-out infinite;
  will-change: transform;
}

/* GPU Layer Optimizations */
.envelope-wrapper-3d,
.envelope-flap-top,
.envelope-sacred-seal,
.envelope-invitation-letter,
.tilt-card-3d,
.hero-photo-frame,
.reveal-card,
.envelope-classic-card,
.monumental-gates-chassis, .gate-door-3d,
.parchment-scroll-chassis, .scroll-rod-3d, .parchment-sheet-core,
.opera-theatre-chassis, .curtain-panel-3d,
.luxury-giftbox-chassis, .giftbox-lid-3d, .giftbox-body-3d,
.cyber-vault-chassis, .cyber-hud-center, .orbit-ring,
.origami-envelope-chassis, .envelope-tri-flap-3d, .envelope-letter-card,
.botanical-pod-chassis, .blooming-peony-3d, .petal-leaf,
.mist-portal-chassis, .mist-cloud-core, .mist-swirl-layer,
.baroque-mirror-chassis,
.antique-book-chassis,
.victorian-lockbox-chassis, .floating-key-3d,
.armillary-astrolabe-chassis,
.gatsby-fan-chassis, .fan-plumes-array,
.french-gatefold-chassis, .gatefold-leaf-3d,
.alchemical-vortex-chassis, .vortex-runic-disk {
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
}

/* ==========================================================================
   DISEÑO VISUAL Y MORFOLOGÍA DE LAS 16 APERTURAS CEREMONIALES
   ========================================================================== */

.envelope-stage-container {
  width: min(92vw, calc(78dvh * 0.86), 460px);
  /* Altura guiada por el contenido: en pantallas bajas la tarjeta clasica
     necesita ~530px y con aspect-ratio fijo se recortaban la estrella (arriba)
     y el prompt (abajo). Las otras 15 aperturas fijan su propia altura de
     chassis, no dependen de esto. */
  min-height: min(66dvh, 420px);
  max-height: 94dvh;
  perspective: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 10;
  margin: auto;
}

.opening-stage {
  display: none;
  width: 100%;
  height: 100%;
  max-height: 100%;
  position: relative;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  perspective: 1000px;
  box-sizing: border-box;
}

.monumental-gates-chassis,
.parchment-scroll-chassis,
.opera-theatre-chassis,
.luxury-giftbox-chassis,
.cyber-vault-chassis,
.origami-envelope-chassis,
.botanical-pod-chassis,
.mist-portal-chassis,
.baroque-mirror-chassis,
.antique-book-chassis,
.victorian-lockbox-chassis,
.armillary-astrolabe-chassis,
.gatsby-fan-chassis,
.french-gatefold-chassis,
.alchemical-vortex-chassis {
  max-height: 100%;
  box-sizing: border-box;
  transform-style: preserve-3d;
}

/* Visibilidad Exclusiva por Atributo data-opening */
[data-opening="wax-seal"] .stage-wax-seal { display: flex; }
[data-opening="golden-gates"] .stage-golden-gates { display: flex; }
[data-opening="parchment"] .stage-parchment { display: flex; }
[data-opening="silk-curtain"] .stage-silk-curtain { display: flex; }
[data-opening="gift-box"] .stage-gift-box { display: flex; }
[data-opening="magnetic-seal"] .stage-magnetic-seal { display: flex; }
[data-opening="envelope-flap"] .stage-envelope-flap { display: flex; }
[data-opening="petal-explosion"] .stage-petal-explosion { display: flex; }
[data-opening="mist-dissolve"] .stage-mist-dissolve { display: flex; }
[data-opening="golden-mirror"] .stage-golden-mirror { display: flex; }
[data-opening="antique-book"] .stage-antique-book { display: flex; }
[data-opening="vintage-key"] .stage-vintage-key { display: flex; }
[data-opening="celestial-burst"] .stage-celestial-burst { display: flex; }
[data-opening="feather-fan"] .stage-feather-fan { display: flex; }
[data-opening="french-gatefold"] .stage-french-gatefold { display: flex; }
[data-opening="gold-dust-vortex"] .stage-gold-dust-vortex { display: flex; }

/* Botones Actuadores Universales de Apertura */
.opening-actuator {
  position: relative;
  border: none;
  background: transparent;
  cursor: pointer;
  outline: none;
  user-select: none;
  z-index: 20;
  will-change: transform, opacity;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.opening-actuator:hover {
  transform: scale(1.05);
}

.opening-actuator:active {
  transform: scale(0.96);
}

/* 1. WAX SEAL (Sello de Lacre Real Italiano) */
.envelope-classic-card {
  background: var(--envelope-box-bg, rgba(16, 20, 26, 0.92));
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-lg, 20px);
  padding: 48px 28px;
  box-shadow: 0 35px 90px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  width: 100%;
  transform-style: preserve-3d;
  position: relative;
}

.sacred-geometry-medallion {
  width: 120px;
  height: 120px;
  margin: 0 auto 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary, #C5A059);
}

.wax-seal-wrapper {
  margin: 18px auto 12px;
}

.wax-seal-btn {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #B91C1C 0%, #7F1D1D 60%, #450A0A 100%);
  border: 1.5px solid rgba(255, 215, 0, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF2B2;
}

.wax-seal-btn img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

/* 2. GOLDEN GATES (Portón Monumental de Palacio) */
.monumental-gates-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 410px);
  background: radial-gradient(circle at 50% 30%, var(--bg-card, #12151B) 0%, var(--bg-card-alt, #080A0E) 100%);
  border: 1.5px solid var(--gold-primary, #C5A059);
  border-radius: 200px 200px 22px 22px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px;
  transform-style: preserve-3d;
}

.gates-pediment-arch {
  text-align: center;
  margin-bottom: 14px;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pediment-crest {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light, #EEDAA2);
  margin-bottom: 4px;
}

.pediment-title {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.2rem;
  color: var(--gold-light, #EEDAA2);
  letter-spacing: 4px;
}

.gates-grand-doors-frame {
  position: relative;
  width: 100%;
  flex: 1;
  perspective: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
}

.gate-door-3d {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: linear-gradient(135deg, var(--bg-card, #12151B) 0%, var(--bg-card-alt, #080A0E) 100%);
  border: 1.5px solid var(--gold-primary, #C5A059);
  transform-style: preserve-3d;
  overflow: hidden;
  box-shadow: 0 12px 35px rgba(0,0,0,0.85);
}

.gate-door-3d.gate-door-left {
  left: 0;
  border-radius: 130px 0 0 10px;
  transform-origin: left center;
  border-right: 1px dashed var(--gold-light, #EEDAA2);
}

.gate-door-3d.gate-door-right {
  right: 0;
  border-radius: 0 130px 10px 0;
  transform-origin: right center;
  border-left: 1px dashed var(--gold-light, #EEDAA2);
}

.gate-filigree-svg {
  width: 100%;
  height: 100%;
}

.btn-actuator-knocker {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 76px;
  height: 76px;
  background: radial-gradient(circle at 35% 35%, #FFE5A3 0%, #D4AF37 50%, #8A6414 100%);
  border: 1.5px solid #FFF2B2;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 36px rgba(0,0,0,0.9);
  color: #0A0D14;
  z-index: 25;
}

.knocker-lion-head {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 3. PARCHMENT (Desenrollado de Pergamino Imperial) */
.parchment-scroll-chassis {
  width: 100%;
  min-height: clamp(280px, 66dvh, 390px);
  height: clamp(280px, 66dvh, 390px);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.scroll-rod-3d {
  width: 108%;
  height: 22px;
  background: linear-gradient(90deg, #6B4E1B 0%, #FFE5A3 50%, #6B4E1B 100%);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.9);
  position: relative;
  z-index: 10;
}

.parchment-sheet-core {
  width: 100%;
  flex: 1;
  background: var(--bg-parchment, #181512);
  border-left: 1.5px solid #C5A059;
  border-right: 1.5px solid #C5A059;
  box-shadow: 0 15px 40px rgba(0,0,0,0.8);
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-primary, #FFFFFF);
}

.parchment-watermark {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
  color: var(--gold-light, #EEDAA2);
}

.parchment-title-top {
  font-family: var(--font-serif, 'Cormorant Garamond', serif);
  font-size: 0.75rem;
  letter-spacing: 4px;
  color: #C5A059;
  font-weight: 700;
}

.parchment-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.8rem;
  color: var(--text-primary, #FFFFFF);
  letter-spacing: 3px;
  margin: 6px 0;
}

.parchment-date-stamp {
  font-size: 0.72rem;
  letter-spacing: 2.5px;
  color: #C5A059;
  border-top: 1px solid rgba(197, 160, 89, 0.4);
  border-bottom: 1px solid rgba(197, 160, 89, 0.4);
  padding: 3px 12px;
}

.btn-actuator-scroll-seal {
  margin: 12px auto 0;
  width: 60px; height: 60px;
  background: radial-gradient(circle at 35% 35%, #991B1B 0%, #4A0E0E 100%);
  border: 1.5px solid #D4AF37;
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
  color: #FFF2B2;
  position: relative;
}

/* 4. SILK CURTAIN (Telón de Ópera & Terciopelo) */
.opera-theatre-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 390px);
  background: var(--bg-card-alt, #080A0E);
  border: 2px solid var(--gold-primary, #C5A059);
  border-radius: 18px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 35px 95px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
}

.theatre-proscenium-arch {
  height: 40px;
  background: linear-gradient(180deg, rgba(197, 160, 89, 0.2) 0%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--gold-primary, #C5A059);
}

.proscenium-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 1.4rem;
  color: var(--gold-light, #EEDAA2);
}

.theatre-curtains-stage {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.curtain-panel-3d {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 52%;
  background: linear-gradient(135deg, #3A0C16 0%, #1A050A 60%, #3A0C16 100%);
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
  border-bottom: 3px solid var(--gold-primary, #C5A059);
}

.curtain-panel-3d.curtain-panel-left { left: 0; transform-origin: left center; }
.curtain-panel-3d.curtain-panel-right { right: 0; transform-origin: right center; }

.velvet-fold {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 25%;
  background: linear-gradient(90deg, rgba(0,0,0,0.5), transparent, rgba(255,255,255,0.12));
}
.velvet-fold.fold-1 { left: 10%; }
.velvet-fold.fold-2 { left: 45%; }
.velvet-fold.fold-3 { left: 75%; }

.stage-invitation-reveal {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gold-light, #EEDAA2);
  z-index: 1;
}

.btn-actuator-tassel {
  margin: 10px auto;
  width: 50px; height: 50px;
  background: radial-gradient(circle at 35% 35%, #D4AF37 0%, #8A6414 100%);
  border: 1.5px solid #FFE5A3;
  border-radius: 50%;
  box-shadow: 0 12px 30px rgba(0,0,0,0.9);
  display: flex; align-items: center; justify-content: center;
  color: #0A0D14;
}

/* 5. GIFT BOX (Caja Joyero Satín de Alta Costura) */
.luxury-giftbox-chassis {
  width: 100%;
  max-width: 320px;
  height: clamp(280px, 66dvh, 360px);
  position: relative;
  perspective: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.giftbox-body-3d {
  width: 100%;
  height: 240px;
  background: linear-gradient(135deg, var(--bg-card, #12151B), var(--bg-card-alt, #080A0E));
  border: 1.5px solid var(--gold-primary, #C5A059);
  border-radius: 14px;
  position: relative;
  box-shadow: 0 25px 70px rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
}

.giftbox-lid-3d {
  position: absolute;
  top: 15px;
  left: -10px;
  right: -10px;
  height: 48px;
  background: linear-gradient(135deg, var(--bg-card, #12151B), var(--bg-card-alt, #080A0E));
  border: 1.5px solid var(--gold-light, #EEDAA2);
  border-radius: 16px;
  box-shadow: 0 14px 35px rgba(0,0,0,0.85);
  z-index: 10;
}

.lid-ribbon-vert, .box-ribbon-vert {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 28px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #997531, #FFE5A3, #997531);
}

.lid-ribbon-horiz, .box-ribbon-horiz {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 28px;
  transform: translateY(-50%);
  background: linear-gradient(180deg, #997531, #FFE5A3, #997531);
}

.lid-3d-bow-knot {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--gold-light, #EEDAA2);
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: center;
}

.giftbox-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.8rem;
  color: var(--gold-light, #EEDAA2);
  z-index: 2;
}

.btn-actuator-bow {
  margin-top: 25px;
  width: 65px; height: 65px;
  background: radial-gradient(circle at 35% 35%, #FFF0BD 0%, #D4AF37 100%);
  border: 1.5px solid #FFF;
  border-radius: 50%;
  box-shadow: 0 14px 32px rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
  color: #0A0D14;
}

/* 6. MAGNETIC SEAL (Cofre Biométrico Cyber HUD) */
.cyber-vault-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 380px);
  background: var(--bg-card-alt, #080A0E);
  border: 1.5px solid rgba(56, 189, 248, 0.4);
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.cyber-hud-center {
  width: 150px;
  height: 150px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hud-orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px dashed rgba(56, 189, 248, 0.6);
}
.hud-orbit-ring.ring-outer { inset: 0; animation: spinSlow 10s linear infinite; }
.hud-orbit-ring.ring-inner { inset: 20px; border-style: dotted; animation: spinSlow 6s linear infinite reverse; }

.hud-scanner-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #38BDF8;
}

.hud-status-text {
  font-size: 0.55rem;
  letter-spacing: 2px;
  color: #38BDF8;
  font-weight: 700;
  margin-top: 4px;
}

.cyber-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.4rem;
  color: #FFFFFF;
  letter-spacing: 4px;
  margin: 10px 0;
}

.btn-actuator-hud {
  width: 65px; height: 65px;
  background: rgba(8, 12, 20, 0.8);
  border: 1.5px solid #38BDF8;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
  transform: rotate(45deg);
  margin-top: 20px;
  color: #38BDF8;
}

.btn-actuator-hud svg {
  transform: rotate(-45deg);
}

/* 7. ENVELOPE FLAP (Sobre Origami Tridimensional) */
.origami-envelope-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 370px);
  background: var(--bg-card, #12151B);
  border: 1px solid var(--gold-primary, #C5A059);
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.9);
  backdrop-filter: blur(24px);
  position: relative;
  perspective: 1000px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.envelope-tri-flap-3d {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(180deg, var(--bg-card-alt, #080A0E), var(--bg-card, #12151B));
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  border-top: 2px solid var(--gold-light, #EEDAA2);
  transform-origin: top center;
  z-index: 10;
  box-shadow: 0 8px 25px rgba(0,0,0,0.7);
  display: flex;
  justify-content: center;
  padding-top: 15px;
}

.flap-apex-seal {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light, #EEDAA2);
}

.envelope-letter-card {
  width: 82%;
  height: 180px;
  background: #FAF7F2;
  border-radius: 8px;
  box-shadow: 0 -6px 20px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #1E232B;
  z-index: 2;
}

.letter-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.4rem;
  color: #8E7037;
  letter-spacing: 2px;
}

.letter-tag {
  font-size: 0.68rem;
  letter-spacing: 2.5px;
  color: #666;
  font-weight: 600;
}

.btn-actuator-flap-seal {
  margin-top: 20px;
  width: 65px; height: 65px;
  background: radial-gradient(circle at 35% 35%, #FAF7F2, #D4C3A3);
  border: 1.5px solid #8E7037;
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(0,0,0,0.8);
  display: flex; align-items: center; justify-content: center;
  color: #8E7037;
  z-index: 15;
}

/* 8. PETAL EXPLOSION (Rosetón de Cerezo & Explosión) */
.botanical-pod-chassis {
  width: 100%;
  max-width: 320px;
  height: clamp(280px, 66dvh, 360px);
  background: radial-gradient(circle, var(--bg-card, #12151B), var(--bg-card-alt, #080A0E));
  border: 1.5px solid rgba(253, 164, 175, 0.4);
  border-radius: 160px;
  box-shadow: 0 30px 85px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.blooming-peony-3d {
  width: 130px;
  height: 130px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.petal-leaf {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FDA4AF;
}
.petal-leaf.l1 { transform: rotate(0deg) translateY(-25px); }
.petal-leaf.l2 { transform: rotate(72deg) translateY(-25px); }
.petal-leaf.l3 { transform: rotate(144deg) translateY(-25px); }
.petal-leaf.l4 { transform: rotate(216deg) translateY(-25px); }
.petal-leaf.l5 { transform: rotate(288deg) translateY(-25px); }

.petal-center-rose {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #F43F5E;
  z-index: 2;
}

.botanical-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.4rem;
  color: #FDA4AF;
  letter-spacing: 3px;
  margin: 10px 0;
}

.btn-actuator-petal {
  width: 65px; height: 65px;
  background: radial-gradient(circle at 35% 35%, #FFE4E6, #F43F5E);
  border: 1.5px solid #FDA4AF;
  border-radius: 50% 0 50% 50%;
  box-shadow: 0 14px 30px rgba(0,0,0,0.85);
  transform: rotate(45deg);
  margin-top: 15px;
  display: flex; align-items: center; justify-content: center;
  color: #881337;
}

.btn-actuator-petal svg {
  transform: rotate(-45deg);
}

/* 9. MIST DISSOLVE (Portal de Runas & Bruma Mística) */
.mist-portal-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 380px);
  background: radial-gradient(circle, var(--bg-card, #12151B), var(--bg-card-alt, #080A0E));
  border: 1.5px solid rgba(165, 180, 252, 0.4);
  border-radius: 180px;
  box-shadow: 0 30px 85px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.mist-cloud-core {
  width: 130px;
  height: 130px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.crystal-orb-center {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #A5B4FC;
  animation: pulseHalo 2.5s infinite ease-in-out;
}

.mist-swirl-layer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(165, 180, 252, 0.15) 0%, transparent 70%);
}
.mist-swirl-layer.swirl-1 { animation: spinSlow 8s linear infinite; }
.mist-swirl-layer.swirl-2 { animation: spinSlow 12s linear infinite reverse; }

.mist-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.4rem;
  color: #A5B4FC;
  letter-spacing: 3px;
  margin: 10px 0;
}

.btn-actuator-orb {
  width: 65px; height: 65px;
  background: radial-gradient(circle at 35% 35%, #FFF, #A5B4FC, #4F46E5);
  border: 1.5px solid #EEF2FF;
  border-radius: 50%;
  box-shadow: 0 14px 32px rgba(0,0,0,0.9);
  display: flex; align-items: center; justify-content: center;
  margin-top: 15px;
  color: #1E1B4B;
}

/* 10. GOLDEN MIRROR (Espejo Veneciano Barroco) */
.baroque-mirror-chassis {
  width: 100%;
  max-width: 310px;
  height: clamp(280px, 66dvh, 390px);
  background: var(--gold-soft-gradient, linear-gradient(135deg, #1A1712, #0E0C09));
  border: 2px solid var(--gold-primary, #C5A059);
  border-radius: 160px;
  box-shadow: 0 35px 90px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.mirror-beveled-glass {
  text-align: center;
  padding: 20px;
}

.mirror-engraved-title {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 3rem;
  color: var(--gold-light, #EEDAA2);
  letter-spacing: 3px;
}

.mirror-date-sub {
  font-size: 0.74rem;
  letter-spacing: 2px;
  color: var(--gold-primary, #C5A059);
  margin-top: 4px;
}

.btn-actuator-mirror {
  margin-top: 15px;
  width: 60px; height: 85px;
  background: linear-gradient(135deg, #FFF, #E5C07B);
  border: 1.5px solid #D4AF37;
  border-radius: 30px 30px 50px 50px;
  box-shadow: 0 14px 30px rgba(0,0,0,0.85);
  display: flex; align-items: center; justify-content: center;
  color: #5C4010;
}

/* 11. ANTIQUE BOOK (Grimorio / Libro de Amor en Cuero) */
.antique-book-chassis {
  width: 100%;
  max-width: 310px;
  height: clamp(280px, 66dvh, 390px);
  background: linear-gradient(135deg, var(--bg-card, #12151B), var(--bg-card-alt, #080A0E));
  border: 1.5px solid var(--gold-primary, #C5A059);
  border-radius: 4px 18px 18px 4px;
  box-shadow: 0 35px 95px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  perspective: 1000px;
}

.book-spine-leather {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 22px;
  background: var(--bg-card-alt, #080A0E);
  border-right: 1.5px solid var(--gold-primary, #C5A059);
}

.book-embossed-title {
  font-family: var(--font-serif, 'Cormorant Garamond', serif);
  font-size: 0.82rem;
  letter-spacing: 4px;
  color: var(--gold-primary, #C5A059);
  font-weight: 700;
}

.book-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.8rem;
  color: var(--gold-light, #EEDAA2);
  margin: 8px 0;
}

.btn-actuator-book-clasp {
  margin-top: 15px;
  width: 75px; height: 40px;
  background: #381A10;
  border: 1.5px solid #D4AF37;
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.9);
  display: flex; align-items: center; justify-content: center;
  color: #D4AF37;
}

/* 12. VINTAGE KEY (Cofre Victoriano & Llave de Oro) */
.victorian-lockbox-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 370px);
  background: linear-gradient(135deg, var(--bg-card, #12151B), var(--bg-card-alt, #080A0E));
  border: 1.5px solid var(--gold-primary, #C5A059);
  border-radius: 18px;
  box-shadow: 0 35px 95px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.floating-key-3d {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light, #EEDAA2);
  animation: pulseHalo 3s infinite ease-in-out;
}

.lockbox-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.6rem;
  color: var(--gold-light, #EEDAA2);
  margin: 10px 0;
}

.btn-actuator-key {
  width: 65px; height: 65px;
  background: radial-gradient(circle at 35% 35%, #2A1F30, #0E0810);
  border: 1.5px solid #D4AF37;
  border-radius: 50%;
  box-shadow: 0 14px 30px rgba(0,0,0,0.9);
  display: flex; align-items: center; justify-content: center;
  margin-top: 15px;
  color: #FFE5A3;
}

/* 13. CELESTIAL BURST (Astrolabio Cósmico & Supernova) */
.armillary-astrolabe-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 380px);
  background: radial-gradient(circle, var(--bg-card, #12151B), var(--bg-card-alt, #080A0E));
  border: 1.5px solid var(--gold-primary, #C5A059);
  border-radius: 50%;
  box-shadow: 0 35px 95px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.astrolabe-3d-rings {
  width: 150px;
  height: 150px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--gold-primary, #C5A059);
}
.orbit-ring.ring-x { inset: 0; animation: spinSlow 8s linear infinite; }
.orbit-ring.ring-y { inset: 15px; border-style: dashed; animation: spinSlow 12s linear infinite reverse; }
.orbit-ring.ring-z { inset: 30px; animation: spinSlow 6s linear infinite; }

.supernova-sun-core {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light, #EEDAA2);
  z-index: 2;
}

.celestial-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.4rem;
  color: var(--gold-light, #EEDAA2);
  margin: 10px 0;
}

.btn-actuator-sun {
  width: 65px; height: 65px;
  background: radial-gradient(circle at 35% 35%, var(--gold-light, #EEDAA2), var(--gold-primary, #C5A059));
  border: 1.5px dotted #FEF9C3;
  border-radius: 50%;
  box-shadow: 0 14px 32px rgba(0,0,0,0.9);
  display: flex; align-items: center; justify-content: center;
  margin-top: 15px;
  color: #3A2005;
}

/* 14. FEATHER FAN (Abanico Imperial de Plumas Gatsby) */
.gatsby-fan-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 360px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  position: relative;
  padding-bottom: 20px;
}

.fan-plumes-array {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light, #EEDAA2);
  margin-bottom: 10px;
}

.fan-pivot-crest {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.4rem;
  color: var(--gold-light, #EEDAA2);
  margin-bottom: 10px;
}

.btn-actuator-fan {
  width: 80px; height: 45px;
  background: linear-gradient(180deg, var(--bg-card, #12151B), #065F46);
  border-radius: 40px 40px 0 0;
  border: 1.5px solid #34D399; border-bottom: none;
  box-shadow: 0 10px 25px rgba(0,0,0,0.9);
  display: flex; align-items: center; justify-content: center;
  margin-top: 10px;
  color: #A7F3D0;
}

/* 15. FRENCH GATEFOLD (Tríptico Francés con Faja) */
.french-gatefold-chassis {
  width: 100%;
  height: clamp(280px, 66dvh, 380px);
  background: var(--bg-card, #12151B);
  border: 1.5px solid var(--gold-primary, #C5A059);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 35px 95px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.gatefold-doors-wrapper {
  position: absolute;
  inset: 0;
  perspective: 1000px;
}

.gatefold-leaf-3d {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: linear-gradient(135deg, var(--bg-card-alt, #080A0E), var(--bg-card, #12151B));
  border: 1.5px solid var(--gold-primary, #C5A059);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.7);
}
.gatefold-leaf-3d.leaf-left { left: 0; border-radius: 12px 0 0 12px; transform-origin: left center; }
.gatefold-leaf-3d.leaf-right { right: 0; border-radius: 0 12px 12px 0; transform-origin: right center; }

.gatefold-satin-bellyband {
  position: relative;
  z-index: 10;
  padding: 14px 28px;
  background: linear-gradient(90deg, #997531, #FFE5A3, #997531);
  border-radius: 6px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.8);
}

.bellyband-seal {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.2rem;
  color: #07090C;
}

.btn-actuator-gatefold {
  margin-top: 15px;
  width: 65px; height: 65px;
  background: linear-gradient(135deg, #FFF2B2, #C5A059);
  border: 1.5px solid #FFF8DB;
  border-radius: 12px;
  transform: rotate(45deg);
  box-shadow: 0 14px 32px rgba(0,0,0,0.9);
  display: flex; align-items: center; justify-content: center;
  z-index: 15;
  color: #2E1A04;
}

.btn-actuator-gatefold svg {
  transform: rotate(-45deg);
}

/* 16. GOLD DUST VORTEX (Vórtice Alquímico de Oro) */
.alchemical-vortex-chassis {
  width: 100%;
  max-width: 440px;
  min-height: clamp(290px, 68dvh, 440px);
  height: clamp(290px, 68dvh, 440px);
  background: radial-gradient(circle, var(--bg-card, #12151B), var(--bg-card-alt, #080A0E));
  border: 1.5px solid var(--gold-light, #EEDAA2);
  border-radius: 50%;
  box-shadow: 0 35px 95px rgba(0,0,0,0.95);
  backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 24px;
  box-sizing: border-box;
}

.vortex-rings-wrapper {
  width: 110px;
  height: 110px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vortex-runic-disk {
  position: absolute;
  border-radius: 50%;
  border: 1.5px dashed var(--gold-light, #EEDAA2);
}
.vortex-runic-disk.disk-1 { inset: 0; animation: spinSlow 5s linear infinite; }
.vortex-runic-disk.disk-2 { inset: 16px; animation: spinSlow 3s linear infinite reverse; }

.vortex-eye-core {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-light, #EEDAA2);
}

.vortex-monogram {
  font-family: var(--font-editorial, 'Bodoni Moda', serif);
  font-size: 2.2rem;
  color: var(--gold-light, #EEDAA2);
  margin: 6px 0;
}

.btn-actuator-vortex {
  width: auto;
  min-height: 44px;
  padding: 8px 24px;
  background: radial-gradient(circle at 35% 35%, #FFF, var(--gold-primary, #C5A059), #422006);
  border: 1.5px solid var(--gold-light, #EEDAA2);
  border-radius: 24px;
  box-shadow: 0 14px 32px rgba(0,0,0,0.9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
  color: #1A0D02;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 1px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-actuator-vortex:hover {
  transform: scale(1.04);
  box-shadow: 0 18px 36px rgba(197, 160, 89, 0.4);
}

.btn-actuator-vortex .vortex-btn-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.alchemical-vortex-chassis .envelope-prompt {
  margin-top: 10px;
  max-width: 280px;
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--gold-light, #EEDAA2);
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
}

/* ==========================================================================
   SISTEMA DE ILUMINACIÓN FOTOREALISTA POR EMISIÓN FÍSICA (MIX-BLEND-MODE)
   Sustituye completamente box-shadow glows por conos y halos de luz fotónicos.
   ========================================================================== */
.envelope-classic-card::after,
.monumental-gates-chassis::after,
.opera-theatre-chassis::after,
.cyber-vault-chassis::after,
.botanical-pod-chassis::after,
.mist-portal-chassis::after,
.baroque-mirror-chassis::after,
.armillary-astrolabe-chassis::after,
.alchemical-vortex-chassis::after,
.french-gatefold-chassis::after,
.victorian-lockbox-chassis::after {
  content: "";
  position: absolute;
  inset: -25%;
  background: radial-gradient(circle at 50% 50%, rgba(238, 218, 162, 0.16) 0%, rgba(197, 160, 89, 0.04) 45%, transparent 70%);
  mix-blend-mode: color-dodge;
  pointer-events: none;
  z-index: -1;
  border-radius: inherit;
}

/* Micro-textura Film Grain Awwwards */
.envelope-classic-card::before,
.monumental-gates-chassis::before,
.opera-theatre-chassis::before,
.cyber-vault-chassis::before,
.botanical-pod-chassis::before,
.mist-portal-chassis::before,
.alchemical-vortex-chassis::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  z-index: -1;
  border-radius: inherit;
}