/* ============================= */
/*         Preloader Styles     */
/* ============================= */

#preloader {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(
    0,
    0,
    0,
    0.8
  ); /* Slight transparency for better visibility */
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  overflow: hidden;
  transition: opacity 0.4s ease-in-out, visibility 0.4s ease-in-out;
  backdrop-filter: blur(8px);
  animation: fadeInPreloader 1.2s ease-in-out forwards;
}

@keyframes fadeInPreloader {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  z-index: -1;
  transform: scale(1.05);
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
}

/* ============================= */
/*     Shared Spinner Styles     */
/* ============================= */

.spinner {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  transform-origin: center;
}

/* ============================ */
/* Desktop Preloader Animation */
/* ============================ */

.desktop-preloader .spinner {
  animation: rotateDesktopSpinner 2.5s linear infinite;
}

@keyframes rotateDesktopSpinner {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.desktop-preloader .circle {
  position: absolute;
  width: 120px;
  height: 120px;
  border: 6px solid transparent;
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: rotateCircleDesktop 1.5s ease-in-out infinite;
}

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

.desktop-preloader .preloader-text {
  color: #ffffff;
  font-size: 3rem;
  font-weight: 700;
  margin-top: 2.5rem;
  font-family: "Roboto", sans-serif;
  letter-spacing: 0.1rem;
  text-align: center;
  animation: fadeInOutText 3s ease-in-out infinite;
}

/* ============================ */
/* Mobile Preloader Animation  */
/* ============================ */

.mobile-preloader .spinner {
  animation: rotateMobileSpinner 2.5s linear infinite;
}

@keyframes rotateMobileSpinner {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.mobile-preloader .circle {
  position: absolute;
  width: 70px;
  height: 70px;
  border: 4px solid transparent;
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: rotateCircleMobile 1.5s ease-in-out infinite;
}

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

.mobile-preloader .preloader-text {
  color: #ffffff;
  font-size: 1.8rem;
  font-weight: 500;
  margin-top: 1rem;
  font-family: "Roboto", sans-serif;
  text-align: center;
  animation: fadeInOutTextMobile 2.5s ease-in-out infinite;
}

/* ============================ */
/* Text Animations              */
/* ============================ */

@keyframes fadeInOutText {
  0%,
  100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
}

@keyframes fadeInOutTextMobile {
  0%,
  100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
}

@keyframes letterAnimation {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.4);
    opacity: 1;
  }
}

.preloader-text span {
  display: inline-block;
  animation: letterAnimation 1.8s ease-in-out infinite alternate;
}

/* ============================= */
/*     Responsive Adjustments    */
/* ============================= */

@media (min-width: 768px) {
  .desktop-preloader .spinner .circle {
    width: 140px;
    height: 140px;
  }

  .desktop-preloader .preloader-text {
    font-size: 3.5rem;
  }

  .desktop-preloader .preloader-text span {
    font-size: 1.2em;
    color: #ffffff;
  }
}

@media (max-width: 767px) {
  .mobile-preloader .spinner .circle {
    width: 90px;
    height: 90px;
  }

  .mobile-preloader .preloader-text {
    font-size: 2.2rem;
  }

  .mobile-preloader .preloader-text span {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  .mobile-preloader .spinner .circle {
    width: 50px;
    height: 50px;
  }

  .mobile-preloader .preloader-text {
    font-size: 1.5rem;
  }
}