/* General */
.main-header {
  font-family: "Poppins", sans-serif;
}

/* Topbar */
.topbar {
  /* background: #9b2424; */
  /* background: #010000; */
  background: linear-gradient(96deg, #010000, #58031d);
}
.logo {
  height: 65px;
  /* height: 48px; */
}
.course-login {
  font-size: 15px;
  text-decoration: none;
}

/* Sticky Nav — pale pink frosted glass (tint matches ~#FCE4E4 + blur over hero) */
#stickyNav {
  --nav-glass-r: 252;
  --nav-glass-g: 228;
  --nav-glass-b: 228;
  transition: background 0.35s ease, box-shadow 0.35s ease;
  /* Nearly solid misty rose when blur unsupported */
  background: rgba(var(--nav-glass-r), var(--nav-glass-g), var(--nav-glass-b), 0.94);
  border-bottom: 1px solid rgba(163, 49, 30, 0.14);
  box-shadow:
    0 4px 28px rgba(88, 3, 29, 0.07),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
  isolation: isolate;
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  #stickyNav {
    /* Lighter tint so hero shows through; pink stays dominant */
    background: rgba(var(--nav-glass-r), var(--nav-glass-g), var(--nav-glass-b), 0.58);
    -webkit-backdrop-filter: blur(14px) saturate(1.18);
    backdrop-filter: blur(14px) saturate(1.18);
  }
}

@media (prefers-reduced-motion: reduce) {
  #stickyNav {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: #fce4e4;
    box-shadow: 0 1px 0 rgba(88, 3, 29, 0.1);
  }
}
@media (min-width: 992px) {
  #stickyNav .navbar-nav {
    padding-block: 0.2rem 0.45rem;
  }
}
.sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
}

/* Navigation — scoped to #stickyNav so Bootstrap .navbar-light .navbar-nav .nav-link does not win */
#stickyNav .navbar-nav .nav-link {
  position: relative;
  padding: 10px 14px;
  font-weight: 500;
  color: #2a1212;
  border-radius: 6px;
  transition: color 0.2s ease, background-color 0.2s ease;
}
/* Underline bar (not border-bottom — Bootstrap / reboot often clears link borders) */
#stickyNav .navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  background-color: #a3311e;
  opacity: 0;
  transition: opacity 0.2s ease;
  border-radius: 1px;
}
#stickyNav .navbar-nav .nav-link:hover {
  color: #a3311e;
  background-color: rgba(163, 49, 30, 0.08);
}
#stickyNav .navbar-nav .nav-link:hover::after {
  opacity: 1;
}
#stickyNav .navbar-nav .nav-link:focus-visible {
  color: #a3311e;
  background-color: rgba(163, 49, 30, 0.1);
  outline: 2px solid #a3311e;
  outline-offset: 2px;
}
#stickyNav .navbar-nav .nav-link:focus-visible::after {
  opacity: 1;
}
#stickyNav .navbar-nav .nav-link.active {
  color: #a3311e;
  font-weight: 600;
  background-color: rgba(163, 49, 30, 0.1);
}
#stickyNav .navbar-nav .nav-link.active::after {
  opacity: 1;
}
#stickyNav .navbar-nav .nav-link.active:hover,
#stickyNav .navbar-nav .nav-link.active:focus-visible {
  background-color: rgba(163, 49, 30, 0.14);
}

/* Search Box */
.search-box {
  width: 230px;
}
.search-input {
  border-radius: 30px 0 0 30px;
}
.search-btn {
  border-radius: 0 30px 30px 0;
  color: #fff;
  background: #a3311e;
  border: none;
}

/* Mobile Full Width Search */
@media(max-width: 768px){
  .search-box{
    width: 100%;
    margin-top: 10px;
  }
}

/* Caret Icon */
.nav-item .caret {
  transition: transform .3s ease;
  font-size: 12px;
}

/* Rotate caret when dropdown is open */
.nav-item.show .caret {
  transform: rotate(180deg);
}

/* Mobile Navigation Improved */
@media (max-width: 991px) {
  #stickyNav .navbar-nav .nav-item {
    border-bottom: 1px solid #eee;
    padding: 8px 0;
  }

  #stickyNav .navbar-nav .dropdown-menu {
    border: none;
    box-shadow: none;
    background: #fafafa;
    padding-left: 15px;
  }

  #stickyNav .navbar-nav .dropdown-item {
    padding-left: 0 !important;
    font-size: 15px;
  }

  /* Cleaner caret spacing mobile */
  #stickyNav .nav-link .caret {
    margin-left: auto;
  }
}