/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(242,237,228,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule-light);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo-mark {
  width: 30px;
  height: 30px;
  background: var(--ink);
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--paper);
  letter-spacing: 0.05em;
}

.nav-brand {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--ink-faint);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--ink); }

.nav-cta {
  padding: 7px 16px;
  background: var(--ink) !important;
  color: var(--paper) !important;
  border-radius: 2px;
  letter-spacing: 0.06em !important;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--ink-mid) !important; }

/* ─── HAMBURGER ─── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.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); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: 56px;
  background: rgba(242,237,228,0.98);
  backdrop-filter: blur(16px);
  z-index: 99;
  padding: 2rem;
  flex-direction: column;
  gap: 0;
}

.nav-overlay.open { display: flex; }

.nav-overlay a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-light);
  color: var(--ink-light);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-overlay a:hover { color: var(--ink); }

.nav-overlay .nav-cta-mobile {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 1.5rem;
  padding: 12px 24px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;
  border: none;
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
}