nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 102;
  padding: calc(var(--space) * 3) calc(var(--space) * 4);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #B3B3B3;
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}

.nav-links {
  display: flex;
  gap: calc(var(--space) * 4);
  list-style: none;
}

.nav-links a {
  font-size: var(--body-sm);
  font-weight: 500;
  text-decoration: none;
  color: #B3B3B3;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.3s var(--ease-out);
}

.nav-links a:hover { color: #BF6135; }

/* Scrolled past hero — restore readable ink colors */
nav.nav--scrolled .nav-logo { color: var(--col-ink); }
nav.nav--scrolled .nav-links a { color: var(--col-ink-muted); }
nav.nav--scrolled .nav-links a:hover { color: #BF6135; }

/* ─── HAMBURGER ─── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 102;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #B3B3B3;
  transition: transform 0.35s var(--ease-out), opacity 0.25s var(--ease-out), background 0.3s var(--ease-out);
  transform-origin: center;
}

nav.nav--scrolled .nav-hamburger span { background: var(--col-ink); }

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ─── MOBILE NAV ─── */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--col-bg);
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out);
}

.mobile-nav.is-open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-links {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: calc(var(--space) * 3);
  padding: 0;
  margin: 0;
}

.mobile-nav-links li {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.mobile-nav.is-open .mobile-nav-links li:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: none; }
.mobile-nav.is-open .mobile-nav-links li:nth-child(2) { transition-delay: 0.10s; opacity: 1; transform: none; }
.mobile-nav.is-open .mobile-nav-links li:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: none; }
.mobile-nav.is-open .mobile-nav-links li:nth-child(4) { transition-delay: 0.20s; opacity: 1; transform: none; }

.mobile-nav-links a {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 10vw, 4rem);
  color: var(--col-ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: color 0.2s var(--ease-out);
}

.mobile-nav-links a:hover { color: #BF6135; }
