/* Reset */
:root {
  --primary-color: #01684B;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Loader - Optimized for faster rendering */
.preloader {
  position: fixed;
  inset: 0;
  background-color: #fff;
  display: grid;
  place-items: center;
  z-index: 9999;
  will-change: opacity;
}

.theme-dark .preloader {
  background-color: #111;
  color: #FFF;
}

.preloader-img {
  width: 60px;
  height: 60px;
  animation: pulseOpacity 1.5s ease-in-out infinite;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(1, 104, 75, 0.15);
  will-change: opacity;
}

.preloader-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 5rem;
}

.preloader .loader {
  width: 50px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 4px;
  animation: loadingBar 1.2s ease-in-out infinite;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: 0px 6px 12px -3px rgba(4, 97, 165, 0.1);
  z-index: 1000;
  will-change: transform;
}

.theme-dark .header {
  background-color: rgba(255, 255, 255, 0.15);
}

.header-end {
  color: #C3CAD9;
}

.theme-dark .header-end {
  color: #C3CAD9;
}

.header-container {
  max-width: 1290px;
  margin: 0 auto;
  padding: 1.45rem 1.6rem;
  border-radius: 0 0 0.625rem 0.625rem;
}

.header-top-line {
  padding: 1rem;
  background-color: #EDF4F2;
}

.theme-dark .header-top-line {
  background-color: #82CAB6;
}

.header .logo {
  max-height: 2.315rem;
  will-change: transform;
}

@media (max-width: 1024px) {
  .header {
    display: none;
  }
}

.placeholder {
  height: 0.825rem;
  width: 3rem;
  background-color: #F5F5F5;
  border-radius: 0.3rem;
  animation: placeholderShimmer 2s infinite;
}

.theme-dark .placeholder {
  background-color: rgba(224, 224, 224, 0.2);
}

.placeholder-wide {
  width: 20rem;
}

/* Common Classes */
.d-flex {
  display: flex;
}

.align-items-center {
  align-items: center;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

.flex-column {
  flex-direction: column;
}

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

.gap-3 {
  gap: 1rem;
}

.gap-4 {
  gap: 1.5rem;
}

.gap-5 {
  gap: 3rem;
}

/* Optimized keyframe animations for faster rendering */
@keyframes loadingBar {
  0%, 100% {
    transform: scaleX(0.5);
    opacity: 0.6;
  }
  50% {
    transform: scaleX(1);
    opacity: 1;
  }
}

@keyframes pulseOpacity {
  0%, 100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@keyframes placeholderShimmer {
  0%, 100% {
    background-color: #F5F5F5;
  }
  50% {
    background-color: #E8E8E8;
  }
}

/* Performance optimizations */
img {
  display: block;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Loading state transitions */
.preloader.hidden {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease-out;
}

/* Optimization: Contain layout calculations */
.header, .preloader, .placeholder {
  contain: layout style paint;
}