/* ==========================================================================
   MEHFIN DESIGNING - SILENT THEATRE CURTAIN INTRO (HIGH CONTRAST)
   Pure silent opening, deep burgundy velvet, brilliant ivory & gold contrast
   Button: "ENTER OUR WORLD"
   NO Skip button | NO Sound controls | NO Rewind triggers
   ========================================================================== */

#curtain-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10000;
  display: flex;
  overflow: hidden;
  pointer-events: all;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.8s ease 0.8s, visibility 0.8s ease 0.8s;
  background-color: var(--color-burgundy-950);
}

#curtain-overlay.curtain-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Curtain Left and Right Panels */
.curtain-panel {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50.5%;
  height: 100%;
  z-index: 1;
  transition: transform 2.2s cubic-bezier(0.77, 0, 0.175, 1);
  will-change: transform;
  overflow: hidden;
}

.curtain-left {
  left: 0;
  transform-origin: left center;
  background: 
    repeating-linear-gradient(
      90deg,
      #140205 0px,
      #29040A 25px,
      #450B14 55px,
      #5C0E1B 80px,
      #33060D 110px,
      #140205 140px
    ),
    radial-gradient(circle at 40% 30%, rgba(212, 175, 55, 0.08), transparent 70%);
  box-shadow: inset -40px 0 70px rgba(0, 0, 0, 0.9);
}

.curtain-right {
  right: 0;
  transform-origin: right center;
  background: 
    repeating-linear-gradient(
      90deg,
      #140205 0px,
      #33060D 30px,
      #5C0E1B 60px,
      #450B14 85px,
      #29040A 115px,
      #140205 140px
    ),
    radial-gradient(circle at 60% 30%, rgba(212, 175, 55, 0.08), transparent 70%);
  box-shadow: inset 40px 0 70px rgba(0, 0, 0, 0.9);
}

.curtain-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.6) 0%,
    rgba(197, 160, 89, 0.05) 25%,
    transparent 50%,
    rgba(0, 0, 0, 0.75) 100%
  );
  pointer-events: none;
}

/* Valance */
.curtain-valance {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: linear-gradient(180deg, #190206 0%, #3D0811 75%, #240409 100%);
  border-bottom: 2px solid var(--color-gold-400);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.85);
  z-index: 3;
}

.curtain-valance::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  right: 0;
  height: 6px;
  background-image: radial-gradient(circle, var(--color-gold-300) 2px, transparent 2.5px);
  background-size: 8px 6px;
}

/* Center Seal with High Contrast */
.curtain-center-seal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3.5rem 3.8rem;
  max-width: 680px;
  width: 90%;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at center, rgba(30, 4, 8, 0.98), rgba(12, 1, 3, 0.99));
  border: 2px solid var(--color-gold-400);
  box-shadow: 
    0 0 60px rgba(197, 160, 89, 0.35),
    0 30px 90px rgba(0, 0, 0, 0.95),
    inset 0 0 40px rgba(197, 160, 89, 0.15);
  transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
}

.curtain-emblem-badge {
  width: 100px;
  height: 100px;
  margin-bottom: 1.6rem;
  border-radius: 50%;
  border: 2px solid var(--color-gold-300);
  padding: 6px;
  background: #FFFDF9;
  box-shadow: 0 0 35px rgba(231, 207, 155, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
}

.curtain-emblem-badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}

/* HIGH CONTRAST TYPOGRAPHY */
.curtain-title {
  font-family: var(--font-heading);
  font-size: clamp(2.3rem, 5.5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #FFFDF9;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.95), 0 0 35px rgba(243, 228, 195, 0.4);
  margin-bottom: 0.5rem;
  line-height: 1.15;
}

.curtain-slogan {
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 1.8vw, 1.02rem);
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: #F8DFE5; /* Soft pink glow for high contrast and brand connection */
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
  margin-bottom: 0.9rem;
}

.curtain-tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  color: #FFFDF9;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
  margin-bottom: 2.2rem;
}

/* HIGH CONTRAST "ENTER OUR WORLD" BUTTON */
.curtain-open-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.05rem 2.8rem;
  background: #FFFDF9;
  color: #24070B;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-gold-400);
  box-shadow: 0 8px 30px rgba(231, 207, 155, 0.5), 0 4px 15px rgba(0, 0, 0, 0.7);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.curtain-open-btn:hover {
  background: linear-gradient(135deg, #FAF4E6, #E7CF9B);
  color: #190206;
  border-color: #FFFFFF;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 12px 40px rgba(231, 207, 155, 0.7), 0 6px 20px rgba(0, 0, 0, 0.8);
}

.curtain-open-btn svg {
  fill: #4A0E17;
  transition: transform var(--transition-fast);
}

.curtain-open-btn:hover svg {
  transform: translateX(4px);
}

/* Opening Animation Active State */
#curtain-overlay.curtain-opening .curtain-left {
  transform: translateX(-102%) scaleX(0.85);
}

#curtain-overlay.curtain-opening .curtain-right {
  transform: translateX(102%) scaleX(0.85);
}

#curtain-overlay.curtain-opening .curtain-center-seal {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.92);
  pointer-events: none;
}

#curtain-overlay.curtain-opening .curtain-valance {
  opacity: 0;
  transition: opacity 0.5s ease;
}