/* css/nav.css */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding-inline: var(--gutter);
  transition: background-color var(--transition-base),
              backdrop-filter var(--transition-base),
              border-bottom-color var(--transition-base);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background-color: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-border);
}
.nav__inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo { height: 28px; width: auto; }
.nav__links { display: flex; align-items: center; gap: var(--space-8); }
.nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
@media (hover: hover) { .nav__link:hover { color: var(--color-text); } }
.nav__cta {
  font-size: var(--text-sm);
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 1px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
@media (hover: hover) {
  .nav__cta:hover { color: var(--color-accent-hover); border-color: var(--color-accent-hover); }
}
.nav__cta:active { transform: scale(0.97); transition: transform 150ms var(--ease-out); }
@media (max-width: 768px) { .nav__links { display: none; } }