/* ============================================================
   NAV
   ============================================================ */
nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(13, 27, 47, 0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: 68px;
  display: flex;
  align-items: center;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: none;
  margin: 0;
  padding-left: clamp(2rem, 4.5vw, 6rem);
  padding-right: clamp(2rem, 4.5vw, 6rem);
}
.nav-links {
  display: flex;
  gap: clamp(1.5rem, 3vw, 4rem);
  list-style: none;
}

.nav-links li a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s, border-bottom-color 0.2s;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.nav-links li a:hover,
.nav-links li a.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
  cursor: pointer;
}