/* ============================================
   SAMRAT MASTERBATCH - PRELOADER STYLES
   Responsive & Mobile-First Design
   ============================================ */

/* Preloader Container */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #ffffff 100%);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.6s ease-out, visibility 0.6s ease-out;
  overflow: hidden;
}

/* Hide loader when page is loaded */
.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Animated Background Pattern */
.page-loader::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
  animation: backgroundPulse 4s ease-in-out infinite;
  z-index: 0;
}

@keyframes backgroundPulse {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

/* Loader Content Container */
.loader-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  max-width: 90%;
  width: 100%;
}

/* Logo Container */
.loader-logo {
  margin-bottom: 30px;
  animation: logoFadeInScale 1s ease-out forwards;
  opacity: 0;
  transform: scale(0.8);
}

@keyframes logoFadeInScale {
  0% {
    opacity: 0;
    transform: scale(0.8) translateY(-20px);
  }
  60% {
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.loader-logo img {
  max-width: 280px;
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Tagline Container */
.loader-tagline {
  margin-bottom: 40px;
  animation: taglineFadeIn 1.2s ease-out 0.3s forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes taglineFadeIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.loader-tagline h2 {
  font-size: 28px;
  font-weight: 600;
  color: #1a1a1a;
  margin: 0;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.4;
  position: relative;
  display: inline-block;
}

.loader-tagline h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #1a1a1a, transparent);
  animation: underlineExpand 1.5s ease-out 0.8s forwards;
  opacity: 0;
}

@keyframes underlineExpand {
  0% {
    width: 0;
    opacity: 0;
  }
  100% {
    width: 60px;
    opacity: 1;
  }
}

/* Loading Spinner */
.loader-spinner {
  width: 50px;
  height: 50px;
  position: relative;
  margin: 0 auto;
  animation: spinnerFadeIn 1s ease-out 0.6s forwards;
  opacity: 0;
}

@keyframes spinnerFadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.loader-spinner::before,
.loader-spinner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: #1a1a1a;
  animation: spin 1s linear infinite;
}

.loader-spinner::before {
  width: 50px;
  height: 50px;
  border-width: 3px;
  animation-duration: 1s;
}

.loader-spinner::after {
  width: 40px;
  height: 40px;
  top: 5px;
  left: 5px;
  border-width: 2px;
  border-top-color: #666;
  animation-duration: 0.8s;
  animation-direction: reverse;
}

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

/* Progress Bar (Alternative/Additional) */
.loader-progress {
  width: 200px;
  max-width: 80%;
  height: 2px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  margin-top: 30px;
  overflow: hidden;
  animation: progressFadeIn 1s ease-out 0.9s forwards;
  opacity: 0;
}

@keyframes progressFadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.loader-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #1a1a1a, #4a4a4a, #1a1a1a);
  background-size: 200% 100%;
  border-radius: 10px;
  width: 0%;
  animation: progressLoad 2s ease-in-out infinite, progressGradient 2s linear infinite;
}

@keyframes progressLoad {
  0% {
    width: 0%;
  }
  50% {
    width: 70%;
  }
  100% {
    width: 100%;
  }
}

@keyframes progressGradient {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ============================================ */

/* Extra Small Devices (phones, 320px and up) */
@media (max-width: 480px) {
  .loader-logo img {
    max-width: 180px;
  }

  .loader-tagline h2 {
    font-size: 18px;
    letter-spacing: 0.5px;
    padding: 0 15px;
  }

  .loader-tagline h2::after {
    width: 40px;
    height: 2px;
  }

  .loader-spinner {
    width: 40px;
    height: 40px;
  }

  .loader-spinner::before {
    width: 40px;
    height: 40px;
    border-width: 2.5px;
  }

  .loader-spinner::after {
    width: 32px;
    height: 32px;
    top: 4px;
    left: 4px;
    border-width: 2px;
  }

  .loader-progress {
    width: 150px;
    margin-top: 25px;
  }

  .loader-content {
    padding: 15px;
  }

  .loader-logo {
    margin-bottom: 20px;
  }

  .loader-tagline {
    margin-bottom: 30px;
  }
}

/* Small Devices (landscape phones, 481px and up) */
@media (min-width: 481px) and (max-width: 768px) {
  .loader-logo img {
    max-width: 220px;
  }

  .loader-tagline h2 {
    font-size: 22px;
  }

  .loader-tagline h2::after {
    width: 50px;
  }
}

/* Medium Devices (tablets, 769px and up) */
@media (min-width: 769px) and (max-width: 1024px) {
  .loader-logo img {
    max-width: 250px;
  }

  .loader-tagline h2 {
    font-size: 24px;
  }
}

/* Large Devices (desktops, 1025px and up) */
@media (min-width: 1025px) {
  .loader-logo img {
    max-width: 280px;
  }

  .loader-tagline h2 {
    font-size: 28px;
  }
}

/* Extra Large Devices (large desktops, 1440px and up) */
@media (min-width: 1440px) {
  .loader-logo img {
    max-width: 320px;
  }

  .loader-tagline h2 {
    font-size: 32px;
  }
}

/* Landscape Orientation */
@media (orientation: landscape) and (max-height: 600px) {
  .loader-logo {
    margin-bottom: 15px;
  }

  .loader-logo img {
    max-width: 150px;
  }

  .loader-tagline {
    margin-bottom: 20px;
  }

  .loader-tagline h2 {
    font-size: 18px;
  }

  .loader-spinner {
    width: 35px;
    height: 35px;
  }

  .loader-spinner::before {
    width: 35px;
    height: 35px;
  }

  .loader-spinner::after {
    width: 28px;
    height: 28px;
    top: 3.5px;
    left: 3.5px;
  }

  .loader-progress {
    margin-top: 15px;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .loader-logo img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Reduced Motion Preference */
@media (prefers-reduced-motion: reduce) {
  .page-loader::before,
  .loader-logo img,
  .loader-spinner::before,
  .loader-spinner::after,
  .loader-progress-bar {
    animation: none;
  }

  .loader-logo,
  .loader-tagline,
  .loader-spinner,
  .loader-progress {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .loader-tagline h2::after {
    animation: none;
    opacity: 1;
    width: 60px;
  }
}

/* Dark Mode Support (if needed in future) */
@media (prefers-color-scheme: dark) {
  .page-loader {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
  }

  .loader-tagline h2 {
    color: #ffffff;
  }

  .loader-tagline h2::after {
    background: linear-gradient(90deg, transparent, #ffffff, transparent);
  }

  .loader-spinner::before,
  .loader-spinner::after {
    border-top-color: #ffffff;
  }

  .loader-progress {
    background: rgba(255, 255, 255, 0.1);
  }

  .loader-progress-bar {
    background: linear-gradient(90deg, #ffffff, #cccccc, #ffffff);
  }
}

/* Print Styles - Hide Loader */
@media print {
  .page-loader {
    display: none !important;
  }
}