.header {
  position: fixed;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95); /* Slight transparency */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  z-index: 1000; /* Ensures navbar stays above content */
  padding-top: 0;
  padding-bottom: 0; 
  align-items: center;
  margin-top:0;
  min-height: var(--header-height);
}
      h1 {
        margin-top: 1rem;
        margin-bottom: 1rem;
      }

:root {
  --navbar-height-desktop: 72px;
  --navbar-height-mobile: 92px; 
}

.spacer-under-navbar {
  height: var(--navbar-height-desktop);
}

@media (max-width: 991.98px) {
  .spacer-under-navbar {
    height: var(--navbar-height-mobile);
  }
}

.navbar-brand {
  display: flex;
  align-items: center;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  line-height: 1; 
}

.navbar-brand img {
  margin-bottom: 0 !important;
}

@media (max-width: 767.98px) {
  .header .container {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
}