/* TransPower — smooth, advanced styles */

html, body {
  scroll-behavior: auto !important;
  overflow-anchor: none;
}

body.loading {
  overflow: hidden;
}

/* Preloader */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.dark .preloader {
  background: #0a0a0c;
}

.preloader-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 8px solid rgba(0, 122, 255, 0.18);
  border-top-color: #007aff;
  animation: preloader-spin 0.9s linear infinite;
}

.loaded .preloader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Generic skeleton placeholders */
.skeleton-wrap {
  position: relative;
  overflow: hidden;
}

.skeleton-wrap img,
.skeleton-wrap video {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.skeleton-wrap img.loaded,
.skeleton-wrap video.loaded,
.skeleton-wrap img[src=""],
.skeleton-wrap video[src=""] {
  opacity: 1;
}

.skeleton-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.4s infinite linear;
  z-index: 1;
}

.dark .skeleton-shimmer {
  background: linear-gradient(90deg, #1c1c1e 25%, #2c2c30 50%, #1c1c1e 75%);
}

.skeleton-shimmer.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

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

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

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

@keyframes gradShift {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

.cursor-blink {
  animation: blink 0.9s step-end infinite;
}

.animate-grad {
  background-size: 200% 200%;
  animation: gradShift 6s ease-in-out infinite alternate;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

.stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Glass & modern touches */
.glass {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.dark .glass {
  background: rgba(10, 10, 12, 0.6);
}

.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.dark .glass-card {
  background: rgba(26, 26, 31, 0.7);
  border-color: rgba(255, 255, 255, 0.05);
}

/* Mobile CTA — ever-highlighting WhatsApp/phone bar */
@keyframes ctaGlow {
  0%, 100% {
    box-shadow: 0 -4px 24px rgba(37, 211, 102, 0.35);
  }
  50% {
    box-shadow: 0 -4px 40px rgba(37, 211, 102, 0.6);
  }
}

@keyframes whatsappPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(0 0 8px rgba(37, 211, 102, 0.9));
  }
  50% {
    transform: scale(1.15);
    filter: drop-shadow(0 0 22px rgba(37, 211, 102, 1));
  }
}

.cta-glow {
  animation: ctaGlow 2s ease-in-out infinite;
}

.whatsapp-glow {
  animation: whatsappPulse 1.4s ease-in-out infinite;
}

/* Hide scrollbars for the Why Us slider */
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

#whyTrack {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

/* Disable heavy backdrop blur on mobile to stop scroll drag */
@media (max-width: 768px) {
  .glass,
  .glass-card,
  [class*="backdrop-blur"] {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}