/* ════════════════════════════════════════════════════════
   BRITOL GROUP — Page Preloader / Splash Screen
   ════════════════════════════════════════════════════════ */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--gray-900);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .6s ease, visibility .6s ease;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.preloader-inner {
  text-align: center;
}

.preloader-logo {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
  animation: preloaderLogoIn 1s cubic-bezier(.4, 0, .2, 1) forwards;
  opacity: 0;
  transform: scale(.5);
}

.preloader-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 16px;
  filter: drop-shadow(0 0 30px rgba(51, 172, 220, .4));
}

.preloader-name {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: 2px;
  opacity: 0;
  transform: translateY(15px);
  animation: preloaderNameIn .8s cubic-bezier(.4, 0, .2, 1) .5s forwards;
  margin-bottom: 12px;
}

.preloader-text {
  font-family: var(--font-body);
  font-size: 1rem;
  color: rgba(255, 255, 255, .7);
  letter-spacing: 1px;
  opacity: 0;
  animation: fadeInDown .8s ease-out 1.2s forwards;
  margin-bottom: 20px;
  font-weight: 500;
}

.preloader-bar {
  width: 160px;
  height: 4px;
  background: rgba(255, 255, 255, .1);
  border-radius: 10px;
  margin: 0 auto;
  overflow: hidden;
  opacity: 0;
  animation: preloaderFadeIn .4s ease .8s forwards;
}

.preloader-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue-400), var(--blue-500));
  border-radius: 10px;
  animation: preloaderBarFill 2.2s cubic-bezier(.4, 0, .2, 1) 1s forwards;
}

/* Loading spinner animation */
.preloader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(75, 191, 230, .2);
  border-top: 4px solid var(--blue-400);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 24px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes preloaderLogoIn {
  0% {
    opacity: 0;
    transform: scale(.5) rotate(-10deg);
  }

  60% {
    opacity: 1;
    transform: scale(1.08) rotate(2deg);
  }

  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes preloaderNameIn {
  0% {
    opacity: 0;
    transform: translateY(15px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes preloaderFadeIn {
  to {
    opacity: 1;
  }
}

@keyframes preloaderBarFill {
  0% {
    width: 0%;
  }

  30% {
    width: 40%;
  }

  60% {
    width: 80%;
  }

  100% {
    width: 100%;
  }
}