/* --------------- NAVBAR --------------- */


header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 12px;
  height: auto;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  padding: 4px 8px;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--primary, #2563eb);
  border-radius: 4px;
}

.brand-logo {
  height: 40px;
  max-height: 40px;
  width: auto;
}

.CITpicture {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.15);
  margin-left: 16px;
  margin-right: 12px;
}

.CITpicture .CITlogo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  color: var(--muted, #64748b);
  font-weight: 500;
  padding: 8px 10px;
  border-radius: 10px;
}

.nav-links a:hover,
.nav-links a:focus {
  background: rgba(37, 99, 235, 0.06);
  color: var(--primary, #2563eb);
  outline: none;
}

.dropdown {
  position: relative;
}

.dropdown > button {
  background: transparent;
  border: 0;
  color: var(--muted, #64748b);
  font: inherit;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dropdown > button:hover,
.dropdown > button:focus {
  background: rgba(37, 99, 235, 0.06);
  color: var(--primary, #2563eb);
  outline: none;
}

.menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--panel, #fff);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 8px;
  box-shadow: var(--shadow, 0 4px 6px -1px rgba(0, 0, 0, 0.08));
  display: none;
}

.menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted, #64748b);
}

.menu a:hover {
  background: rgba(37, 99, 235, 0.06);
  color: var(--primary, #2563eb);
}

.dropdown:focus-within .menu,
.dropdown:hover .menu {
  display: block;
}

/* Mobile */
@media (max-width: 768px) {
  .nav {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    padding: 6px 10px;
  }

  .nav-toggle {
    order: 3;
    display: block;
    margin-left: auto;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.97);
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 16px 10px;
    gap: 6px;
    display: none;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    z-index: 50;
  }

  .nav.nav-open .nav-links {
    display: flex;
  }

  .nav-links a,
  .dropdown > button {
    width: 100%;
    text-align: left;
    padding: 6px 0;
  }

  .brand-logo {
    order: 1;
  }

  .CITpicture {
    order: 2;
    margin-left: 8px;
  }

  .dropdown {
    width: 100%;
  }

  .dropdown > button {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .dropdown .menu {
    position: static;
    min-width: 0;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0 0 4px 16px;
    border-radius: 0;
  }

  .dropdown .menu a {
    padding: 4px 0;
  }
}