/**
 * Eliza Fashion - Luxury Opening Screen & Brand Animation CSS
 * Aesthetic: Ultra-Pure Minimalist White Backdrop with Deep Burgundy Animated Wordmark & Ribbon Strings Motion
 */

/* Full-screen pure white preloader overlay */
.kp-preloader-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999999;
  background-color: #ffffff;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.65s ease;
  will-change: opacity, transform;
}

/* Exit Curtain Animation - Smooth Silky Dissolve Reveal */
.kp-preloader-overlay.is-exiting {
  opacity: 0;
  transform: scale(1.03);
  pointer-events: none;
  visibility: hidden;
}

.kp-preloader-overlay.is-hidden {
  display: none !important;
}

/* Central Stage - Strictly Centered, Zero Clutter */
.kp-preloader-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  width: 100%;
  max-width: 100vw;
  padding: 20px;
}

/* Soft Ambient Luminous Halo (Disabled for seamless pure white) */
.kp-preloader-glow {
  display: none !important;
}

/* Lottie Animation Container - Seamless, zero shadow, pure transparent */
.kp-preloader-lottie-wrap {
  position: relative;
  z-index: 2;
  width: min(440px, 88vw);
  max-width: 480px;
  height: auto;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent !important;
  box-shadow: none !important;
  filter: none !important;
}

.kp-preloader-lottie-wrap svg {
  width: 100% !important;
  height: 100% !important;
  display: block;
  background: transparent !important;
}

/* Exact Brand Logo Image Fallback */
.kp-preloader-logo-img {
  width: min(340px, 80vw);
  max-width: 360px;
  height: auto;
  max-height: 155px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 6px 20px rgba(139, 29, 44, 0.08));
  image-rendering: -webkit-optimize-contrast;
}

/* Shimmer Light Reflection across the Calligraphy Strokes */
.kp-preloader-shimmer {
  position: absolute;
  inset: -10% -20%;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 25%,
    rgba(255, 255, 255, 0.7) 48%,
    rgba(255, 235, 235, 0.95) 50%,
    rgba(255, 255, 255, 0.7) 52%,
    transparent 75%
  );
  transform: translateX(-140%) skewX(-22deg);
  animation: kpShimmerSweep 1.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s infinite;
  mix-blend-mode: soft-light;
  z-index: 3;
}

@keyframes kpShimmerSweep {
  0% {
    transform: translateX(-140%) skewX(-22deg);
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  70% {
    opacity: 1;
  }
  100% {
    transform: translateX(240%) skewX(-22deg);
    opacity: 0;
  }
}

/* Ribbon Loops & Dangling Strings Living Motion Overlay */
.kp-preloader-ribbon-motion {
  position: absolute;
  top: 4%;
  right: 13%;
  width: 58px;
  height: 62px;
  pointer-events: none;
  z-index: 4;
  transform-origin: 30% 25%;
  animation: kpRibbonLoopFlutter 2.2s ease-in-out 0.2s infinite alternate;
}

@keyframes kpRibbonLoopFlutter {
  0% {
    transform: rotate(0deg) scale(1);
  }
  35% {
    transform: rotate(-3deg) scale(1.04, 0.97);
  }
  70% {
    transform: rotate(2.5deg) scale(0.98, 1.03);
  }
  100% {
    transform: rotate(-1.5deg) scale(1.02, 0.99);
  }
}

/* Animated Ribbon Strings (Floating silk wave trails) */
.kp-ribbon-string-left,
.kp-ribbon-string-right {
  position: absolute;
  transform-origin: top center;
  fill: none;
  stroke: #8B1D2C;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kp-ribbon-string-left {
  animation: kpStringSwayLeft 2.0s ease-in-out infinite alternate;
}

.kp-ribbon-string-right {
  animation: kpStringSwayRight 2.3s ease-in-out 0.15s infinite alternate;
}

@keyframes kpStringSwayLeft {
  0% {
    transform: rotate(0deg) skewX(0deg);
  }
  50% {
    transform: rotate(5deg) skewX(-4deg);
  }
  100% {
    transform: rotate(-3.5deg) skewX(3deg);
  }
}

@keyframes kpStringSwayRight {
  0% {
    transform: rotate(0deg) skewX(0deg);
  }
  50% {
    transform: rotate(-6deg) skewX(5deg);
  }
  100% {
    transform: rotate(4deg) skewX(-3deg);
  }
}

/* Subtle Click-To-Enter Tip (Hidden by default, gently appears if customer taps) */
.kp-preloader-skip {
  display: none;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .kp-preloader-logo-img {
    width: min(290px, 86vw);
    max-height: 130px;
  }
  .kp-preloader-ribbon-motion {
    width: 48px;
    height: 52px;
    right: 12%;
    top: 5%;
  }
}