/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  mix-blend-mode: multiply;
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--mid, #6b6560);
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--mid, #6b6560);
  text-decoration: none;
  transition: color 0.3s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--ink, #1a1814); }

/* ── HAMBURGER ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 200;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--mid, #6b6560);
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 640px) {
  nav { padding: 1.2rem 1.5rem; }
  nav.menu-open { mix-blend-mode: normal; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg, #f5f3ef);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
    z-index: 150;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1rem; letter-spacing: 0.2em; color: var(--ink, #1a1814); }
}