/* Portfolio navigation, loaded after the shared styles. */
#navbar {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px clamp(20px, 5vw, 80px);
  overflow: visible;
  z-index: 100;
  background: linear-gradient(120deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .01)), rgba(18, 18, 20, .62);
  border-bottom: 1px solid rgba(255, 255, 255, .16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 4px 20px rgba(0, 0, 0, .08);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  backdrop-filter: blur(10px) saturate(140%);
}
#navbar a {
  flex: none;
  width: auto;
  padding: 10px 12px;
  font-size: 14px;
  text-transform: none;
  border-radius: 6px;
  transition: color .2s ease, background-color .2s ease;
}
#navbar .nav-brand {
  padding-left: 0;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -.03em;
  white-space: nowrap;
}
#navbar .nav-brand:hover { background: transparent; color: #c9a96e; }
#navbar .nav-links { display: flex; align-items: center; gap: clamp(4px, 1.5vw, 24px); }
#navbar .nav-links a:hover { background: rgba(255, 255, 255, .08); color: #c9a96e; }
#navbar .nav-toggle { display: none; }

@media (max-width: 760px) {
  #navbar { flex-wrap: wrap; gap: 0; padding: 10px 20px; }
  #navbar .nav-brand { margin-right: auto; }
  #navbar .nav-toggle:not([hidden]) {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 8px;
    background: transparent;
    color: #f2f2f2;
    cursor: pointer;
  }
  .nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    transition: transform .25s ease, opacity .2s ease;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  #navbar .nav-links {
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  #navbar.nav-ready .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 12px 20px 20px;
    background: linear-gradient(120deg, rgba(255, 255, 255, .05), transparent), rgba(18, 18, 20, .72);
    -webkit-backdrop-filter: blur(10px) saturate(140%);
    backdrop-filter: blur(10px) saturate(140%);
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    box-shadow: 0 18px 30px rgba(0, 0, 0, .25);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }
  #navbar.nav-open .nav-links { opacity: 1; visibility: visible; transform: translateY(0); }
  #navbar .nav-links a { padding: 12px 16px; text-align: left; font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  #navbar a, #navbar .nav-links, .nav-toggle span { transition: none; }
}