/* ════════════════════════════════════════════
   NAVIGATION
════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition:
    background var(--t-slow),
    backdrop-filter var(--t-slow),
    box-shadow var(--t-slow);
}

.nav.scrolled {
  background: rgba(8, 8, 15, 0.88);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  box-shadow: 0 1px 0 var(--card-border);
}

/* ─── Logo ─── */
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--yellow);
  transition: opacity var(--t-fast);
}

.nav__logo:hover { opacity: 0.8; }

/* ─── Links ─── */
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}

.nav__links a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  position: relative;
  transition: color var(--t-fast);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 1px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease-out);
}

.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after { transform: scaleX(1); }

@media (max-width: 600px) {
  .nav__links { display: none; }
}