/* ─────────────────────────────────────────
   5. NAVIGATION
───────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  background: rgba(250, 248, 243, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

nav.scrolled {
  border-color: var(--border);
  box-shadow: 0 2px 20px rgba(15, 14, 12, 0.08);
}

/* ── Logo ── */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 70px;
  width: auto;
  display: block;
}

/* ── Desktop links ── */
.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.25s;
  transform-origin: left;
}

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

.nav-links a:hover::after {
  transform: scaleX(1);
}

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

.nav-links a.active::after {
  transform: scaleX(1);
}

/* ── CTA buttons ── */
.nav-cta {
  display: flex;
  gap: 12px;
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ── Mobile menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 80px 0 0;
  background: var(--paper);
  z-index: 99;
  padding: 32px 5%;
  flex-direction: column;
  gap: 24px;
  border-top: 1px solid var(--border);
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu .mobile-link {
  text-decoration: none;
  color: var(--ink);
  font-size: 22px;
  font-family: var(--serif);
  font-weight: 700;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.mobile-cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.mobile-cta .btn {
  font-size: 20px;
  width: 100%;
  justify-content: center;
}

/* ── Responsive ── */
@media (max-width: 768px) {

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}