/* ==========================================================================
   Elegensoft - Standalone Brand Preloader & Loading Animation
   Brand Colors:
     - Primary:   #FF6200 (Elegensoft Vibrant Orange)
     - Secondary: #151432 (Deep Dark Navy)
   ========================================================================== */

/* Prevent Layout Shift & Scrollbar Jitter on Page Reload */
html {
  scrollbar-gutter: stable !important;
  overflow-y: scroll !important;
}

html.preloader-lock,
body.preloader-lock {
  overflow: hidden !important;
  scrollbar-gutter: stable !important;
}

/* Fullscreen Overlay Curtain */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999999;
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  opacity: 1;
  visibility: visible;
  transition: 
    opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.45s ease;
  will-change: opacity, transform;
}

#preloader.preloader-hidden {
  opacity: 0;
  transform: scale(1.03);
  visibility: hidden;
  pointer-events: none;
}

/* Ambient Radial Background Glow */
.preloader-ambient-glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 98, 0, 0.08) 0%, rgba(255, 98, 0, 0.02) 45%, transparent 70%);
  pointer-events: none;
  animation: preloaderPulseGlow 3s ease-in-out infinite alternate;
}

/* Brand Container Centered */
.preloader-brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 20px 32px;
  z-index: 2;
}

/* E Icon Box & Image */
.preloader-icon-wrap {
  position: relative;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader-icon-img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  display: block;
  transform-origin: center center;
  will-change: transform;
}

/* Clockwise 360-degree Rotation Animation for the E Icon */
.preloader-icon-wrap.is-spinning .preloader-icon-img {
  animation: preloaderClockwiseSpin 0.95s cubic-bezier(0.25, 1, 0.35, 1) forwards;
}

/* Subtle Orbit Ring Around the E Icon */
.preloader-orbit-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: rgba(255, 98, 0, 0.55);
  border-right-color: rgba(255, 98, 0, 0.2);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.preloader-icon-wrap.is-spinning .preloader-orbit-ring {
  opacity: 1;
  animation: preloaderRingSpin 0.95s linear forwards;
}

/* Typography Container for "legensoft" */
.preloader-text {
  display: inline-flex;
  align-items: center;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 38px;
  font-weight: 800;
  color: #151432;
  letter-spacing: -0.6px;
  line-height: 1;
  white-space: nowrap;
  overflow: visible;
}

/* Individual Typing Characters (Fly-In from Right to Left) */
.preloader-char {
  display: inline-block;
  opacity: 0;
  transform: translateX(22px);
  filter: blur(4px);
  will-change: transform, opacity, filter;
  transition: 
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.22s ease-out,
    filter 0.22s ease-out;
}

.preloader-char.is-typed {
  opacity: 1;
  transform: translateX(0);
  filter: blur(0);
}

/* Brand Accent: letter 's' in elegensoft is primary orange */
.preloader-char.preloader-char-orange,
.preloader-char:nth-child(6) {
  color: #FF6200;
}

/* Keyframe Animations */
@keyframes preloaderClockwiseSpin {
  0% {
    transform: rotate(0deg) scale(0.72);
    filter: drop-shadow(0 4px 10px rgba(255, 98, 0, 0.1));
  }
  60% {
    transform: rotate(360deg) scale(1.08);
    filter: drop-shadow(0 10px 24px rgba(255, 98, 0, 0.32));
  }
  85% {
    transform: rotate(360deg) scale(0.96);
  }
  100% {
    transform: rotate(360deg) scale(1);
    filter: drop-shadow(0 4px 14px rgba(255, 98, 0, 0.18));
  }
}

@keyframes preloaderRingSpin {
  0% {
    transform: rotate(0deg) scale(0.8);
  }
  100% {
    transform: rotate(360deg) scale(1.15);
    opacity: 0;
  }
}

@keyframes preloaderPulseGlow {
  0% {
    transform: scale(0.85);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.15);
    opacity: 1;
  }
}

/* Reduced Motion Preference for Accessibility */
@media (prefers-reduced-motion: reduce) {
  #preloader {
    transition: opacity 0.15s ease !important;
  }
  .preloader-icon-wrap .preloader-icon-img,
  .preloader-orbit-ring,
  .preloader-char,
  .preloader-ambient-glow {
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
    filter: none !important;
  }
}

/* Mobile Responsive Optimization */
@media (max-width: 600px) {
  .preloader-brand {
    gap: 10px;
    padding: 16px 20px;
  }
  .preloader-icon-wrap,
  .preloader-icon-img {
    width: 44px;
    height: 44px;
  }
  .preloader-text {
    font-size: 28px;
    letter-spacing: -0.4px;
  }
}