/* ══════════════════════════════════════════════════════════════════
   CAIRN ADVISORY — SHARED NAV LOGO
   Single source of truth for the nav logo across all pages.
   Inherits from tokens.css.
══════════════════════════════════════════════════════════════════════ */

.nav-logo {
  display: flex;
  align-items: center;
  gap: 22px;
  text-decoration: none;
}
.nav-mark {
  width: 64px;
  height: auto;
  display: block;
  flex-shrink: 0;
}
.nav-lockup {
  height: 72px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 48px;
}
.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--cairn-umber);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--cairn-obsidian); }
.nav-cta {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--cairn-parchment);
  background: var(--cairn-ironwood);
  padding: 11px 22px;
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: background var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--cairn-obsidian); }

/* ── Hamburger button ──────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}
.nav-hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--cairn-ironwood);
  border-radius: 2px;
  transform-origin: center;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Slide-down drawer ─────────────────────────────────────────── */
.nav-drawer {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 195;
  background: var(--cairn-linen);
  padding: 96px 28px 32px;
  border-bottom: 1px solid rgba(196, 168, 122, 0.35);
  transform: translateY(-110%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}
.nav-drawer.is-open { transform: translateY(0); }

.nav-drawer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-drawer-links li {
  border-bottom: 1px solid rgba(196, 168, 122, 0.2);
}
.nav-drawer-links li:last-child { border-bottom: none; }
.nav-drawer-links a {
  display: block;
  padding: 16px 0;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--cairn-umber);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.nav-drawer-links a:hover { color: var(--cairn-obsidian); }
.nav-drawer-cta-wrap { margin-top: 24px; }
.nav-drawer-cta {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--cairn-parchment);
  background: var(--cairn-ironwood);
  padding: 11px 22px;
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: background var(--dur-fast) var(--ease);
}
.nav-drawer-cta:hover { background: var(--cairn-obsidian); }

/* ── Scrim overlay ─────────────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(30, 25, 18, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 720px) {
  .nav-logo { gap: 14px; }
  .nav-mark { width: 48px; }
  .nav-lockup { height: 52px; }
  .nav-right { display: none; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

@media (max-width: 420px) {
}