html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
    background-color: #FFFFFF;
}

body.theme-dark {
    background-color: #000000; /* ব্ল্যাক */
}

/* Loader */
.preloader {
  position: fixed;
  inline-size: 100%;
  block-size: 100%;
  background-color: #FFFFFF;
  display: grid;
  place-items: center;
}

.theme-dark .preloader {
  background-color: #000000; /* ব্ল্যাক */
}

@media (max-width: 1199px) {
  .header {
    display: none;
  }
}

.preloader-img {
  animation: animloaderimg 3000ms ease-in-out infinite;
}

.preloader-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.preloader .loader {
  width: 140px;
  height: 0.25rem;
  display: inline-block;
  position: relative;
  background: rgba(0, 0, 0, 0.15);
  overflow: hidden;
  border-radius: 50rem;
}

.theme-dark .preloader .loader {
  background: rgba(255, 255, 255, 0.15);
}

.preloader .loader::after {
  content: "";
  width: 30px;
  height: 4.8px;
  background: #000000; /* ব্ল্যাক */
  position: absolute;
  top: 0;
  left: 0;
  box-sizing: border-box;
  animation: animloader 2000ms linear infinite;
  border-radius: 50rem;
}

.theme-dark .preloader .loader::after {
  background: #39B5FF; /* নীল */
}

.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  inline-size: 100%;
}

.header-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.28rem 1.6rem;
  background-color: #FFFFFF;
  box-shadow: 0px 6px 12px -3px rgba(57, 181, 255, 0.15); /* নীল শ্যাডো */
  border-radius: 0 0 0.625rem 0.625rem;
}

.theme-dark .header-container {
  background-color: #000000; /* ব্ল্যাক */
  box-shadow: 0px 6px 12px -3px rgba(57, 181, 255, 0.2);
}

.header .logo {
  max-height: 30px;
}

.placeholder {
  block-size: 0.825rem;
  inline-size: 3rem;
  background-color: #F5F5F5;
  border-radius: 0.3rem;
}

.theme-dark .placeholder {
  background-color: #1A1A1A; /* হালকা ব্ল্যাক */
}

.placeholder-wide {
  inline-size: 12rem;
}

/* Hover effects for interactive elements */
.header-container:hover {
  box-shadow: 0px 8px 16px -4px rgba(57, 181, 255, 0.2);
  transition: box-shadow 0.3s ease;
}

/* Additional utility classes for secondary color */
.text-secondary {
  color: #39B5FF; /* নীল */
}

.bg-secondary {
  background-color: #39B5FF; /* নীল */
}

.border-secondary {
  border-color: #39B5FF; /* নীল */
}

.text-primary {
  color: #000000; /* ব্ল্যাক */
}

.bg-primary {
  background-color: #000000; /* ব্ল্যাক */
}

/* Button styles */
.btn-primary {
  background-color: #000000; /* ব্ল্যাক */
  color: #39B5FF; /* নীল টেক্সট */
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #1A1A1A;
  color: #39B5FF;
}

.btn-secondary {
  background-color: #39B5FF; /* নীল */
  color: #FFFFFF; /* সাদা টেক্সট */
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background-color: #2E9FE0;
  color: #FFFFFF;
}

.btn-outline-secondary {
  background-color: transparent;
  color: #39B5FF; /* নীল টেক্সট */
  border: 2px solid #39B5FF; /* নীল বর্ডার */
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-outline-secondary:hover {
  background-color: #39B5FF;
  color: #FFFFFF;
}

/* Link styles */
.link-secondary {
  color: #39B5FF;
  text-decoration: none;
  transition: color 0.3s ease;
}

.link-secondary:hover {
  color: #2E9FE0;
  text-decoration: underline;
}

.link-primary {
  color: #000000;
  text-decoration: none;
  transition: color 0.3s ease;
}

.link-primary:hover {
  color: #39B5FF;
}

.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;
}

.gap-3 {
  gap: 1rem;
}

.gap-4 {
  gap: 1.5rem;
}

.gap-5 {
  gap: 3rem;
}

@keyframes animloader {
  0% {
    left: 0;
    transform: translateX(-100%);
  }
  100% {
    left: 100%;
    transform: translateX(0%);
  }
}

@keyframes animloaderimg {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-1rem);
  }
  100% {
    transform: translateY(0);
  }
}