:root {
  --navbar-height: 62px;
  --navbar-bg: black;
  --navbar-accent-red: #981800;
  --navbar-accent-blue: #07495d;
  --white-key-color: ivory;
}

.navbar,
nav {
  font-family: "Jost", sans-serif;
  font-size: 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--navbar-bg) !important;
}

.navbar-brand {
  font-size: 1.5rem;
}

.navbar-nav {
  margin-top: 1em;
}

.navbar-toggler {
  border: none;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.5rem;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: none;
  position: relative;
  width: 1.5em;
  height: 2px;
  background-color: white;
  display: block;
  transition: background-color 0.3s ease;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: white;
  left: 0;
  transition: all 0.3s ease;
}

.navbar-toggler-icon::before {
  top: -6px;
}

.navbar-toggler-icon::after {
  top: 6px;
}

/* Hamburger to X animation when expanded */
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
  background: none !important;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
  transform: rotate(-45deg);
  top: 0;
}

@media only screen and (min-width: 767px) and (max-width: 1399px) {
  .navbar-nav {
    margin-top: 0.5rem ! important;
  }
}

@media only screen and (max-width: 1399px) {
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--navbar-bg);
    z-index: 1000;
    margin-top: 0rem;
    border-bottom: 1px solid black;
  }

  .navbar-brand {
    padding-left: 0.75rem;
  }

  .navbar-nav {
    margin-top: 0;
  }

  /* Piano key effect for mobile navbar items */
  .navbar-nav .nav-link:nth-child(odd) {
    background-color: var(--white-key-color) !important;
    color: black !important;
    width: 100%;
  }

  .navbar-nav .nav-link:nth-child(even) {
    background: linear-gradient(to right, black 66.67%, var(--white-key-color) 66.67%) !important;
    color: white !important;
    width: 100%;
    position: relative;
    text-align: center;
    padding-left: 0;
    padding-right: 33.33%;
  }

  .navbar-nav .nav-link:nth-child(even)::after {
    content: '';
    position: absolute;
    left: 66.67%;
    right: 0;
    top: 50%;
    height: 1px;
    background-color: black;
    z-index: 1;
    transform: translateY(-50%);
  }

  /* Override active state colors */
  .navbar-nav .nav-link.active:nth-child(odd),
  .navbar-nav .nav-link:nth-child(odd):hover {
    background-color: var(--white-key-color) !important;
    color: black !important;
  }

  .navbar-nav .nav-link.active:nth-child(even),
  .navbar-nav .nav-link:nth-child(even):hover {
    background-color: black !important;
    color: white !important;
  }

  /* Active page indicator */
  .navbar-nav .nav-link.active {
    border-left: 4px solid var(--navbar-accent-red) !important;
    font-weight: bold !important;
  }

  /* Use blue accent for black keys */
  .navbar-nav .nav-link.active:nth-child(even) {
    border-left: 4px solid var(--navbar-accent-blue) !important;
    font-weight: bold !important;
  }




}

.navbar-nav a {
  text-align: center;
}



@media only screen and (min-width: 1400px) {
  .navbar nav {
    padding-left: 2em;
  }

  .container-fluid {
    position: relative;
  }

  .navbar-nav {
    margin-top: 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
  }

  .navbar-nav a {
    margin-left: 1em;
    margin-right: 1em;
    text-align: center;
    background-color: rgba(0, 0, 0, 0);
    border: none;
  }

  nav a {
    padding-left: 2em;
    padding-right: 2em;
  }

  .navbar-nav a:hover {
    border: none;
  }
}