html {
  scrollbar-gutter: stable;
}
body {
  margin: 0;
  font: 16px/1.5 sans-serif;
  color: #111;
  background: #fff;
}

header,
nav,
main,
footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem;
}

header img {
  display: block;
  width: 100%;
  height: auto;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  border-top: 1px solid #cfcfcf;
  border-bottom: 1px solid #cfcfcf;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

nav li {
  margin: 0;
}

nav a {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  color: #003366;
  text-decoration: none;
  border: 1px solid #cfcfcf;
  background: #f7f7f7;
}

nav a:hover,
nav a:focus {
  background: #ececec;
  text-decoration: underline;
}

nav a[aria-current="page"] {
  background: #e3eaf2;
  border-color: #9fb3c8;
  font-weight: 600;
}

.lang-switch {
  font-size: 0.9rem;
  white-space: nowrap;
}

.lang-switch a {
  padding: 0.2rem 0.4rem;
}

/* Second-level navigation (subnav) */
.subnav {
  border-bottom: 1px solid #ccc;
  margin-bottom: 1rem;
}

.subnav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.subnav a {
  display: block;
  padding: 0.4rem 0.7rem;
  text-decoration: none;
  color: inherit;
  border: 1px solid transparent;
  border-bottom: none;
}

/* Hover/focus state */
.subnav a:hover,
.subnav a:focus {
  background: #f5f5f5;
  border-color: #ccc;
}

/* Active tab */
.subnav a[aria-current="page"] {
  background: #fff;
  border: 1px solid #ccc;
  border-bottom: 1px solid #fff; /* blends into content below */
  font-weight: bold;
}

/* Mobile: stack if needed */
@media (max-width: 700px) {
  .subnav ul {
    flex-direction: column;
  }

  .subnav a {
    border: 1px solid #ccc;
  }

  .subnav a[aria-current="page"] {
    border-bottom: 1px solid #ccc;
  }
}

@media (max-width: 700px) {
  nav {
    align-items: flex-start;
  }

  nav ul {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  nav a {
    width: 100%;
  }
}

#directory a{
		/* color:inherit; */
		text-decoration:none;
		}
#directory a:hover{
		text-decoration:underline;
		}
.prov {
		display:inline;
		float:right;
		font-weight:bold;
		font-variant:small-caps;
		font-size: 1.5em;
		}
.uni {
		display:inline;
		color:#c00;
		font-size: 1em;
		font-weight:bold;
		}