/* ═══════════════════════════════════════════════
   NAVIGATION — Top bar · Mobile drawer
═══════════════════════════════════════════════ */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  height: 66px; padding: 0 clamp(1.25rem, 5vw, 3rem);
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(245,240,232,.97);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  box-shadow: 0 1px 0 var(--border), 0 2px 12px rgba(0,0,0,.06);
  transition: box-shadow .3s ease;
}
.site-nav.is-scrolled {
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,.10);
}

/* Logo */
.nav-logo {
  font-family: var(--f-h); font-weight: 700; font-size: 1.1rem;
  letter-spacing: -.02em; color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
.nav-logo-emblem {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--teal), var(--teal-d));
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(13,122,107,.3), inset 0 1px 0 rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-m); font-size: .75rem; font-weight: 600; color: #fff;
  border: 1px solid var(--teal-d);
}

/* Links */
.nav-links {
  display: flex; gap: 2rem;
}
.nav-links a {
  font-size: .82rem; font-weight: 500; color: var(--muted);
  transition: color .2s; letter-spacing: .01em;
}
.nav-links a:hover { color: var(--ink); }

/* CTA button */
.nav-cta {
  padding: .5rem 1.4rem;
  background: linear-gradient(160deg, var(--teal) 0%, var(--teal-d) 100%);
  color: #fff; border-radius: 8px;
  font-size: .82rem; font-weight: 700; letter-spacing: .02em;
  border: 1px solid var(--teal-d);
  border-bottom: 2px solid rgba(0,0,0,.2);
  box-shadow: var(--sh-btn);
  transition: all .2s var(--ease);
  text-shadow: 0 1px 1px rgba(0,0,0,.15);
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: var(--sh-btn-hover); }
.nav-cta:active { transform: translateY(0); box-shadow: var(--sh-pressed); border-bottom-width: 1px; }

/* Hamburger */
.nav-hamburger { display: none; color: var(--ink); font-size: 1.3rem; }

/* ── Mobile overlay ── */
.mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(26,18,8,.55);
  z-index: 300; opacity: 0; pointer-events: none;
  transition: opacity .3s;
  backdrop-filter: blur(4px);
}
.mobile-overlay.is-open { opacity: 1; pointer-events: all; }

/* ── Mobile drawer ── */
.mobile-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 275px;
  background: linear-gradient(160deg, var(--parchment), var(--cream2));
  z-index: 400; padding: 5rem 2rem 2rem;
  transform: translateX(110%);
  transition: transform .32s var(--ease);
  box-shadow: -8px 0 40px rgba(0,0,0,.15);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 1.4rem;
}
.mobile-drawer.is-open { transform: translateX(0); }
.mobile-drawer a {
  font-family: var(--f-h); font-size: 1.35rem; font-weight: 700;
  letter-spacing: -.02em; color: var(--muted);
  padding: .4rem 0; border-bottom: 1px solid var(--border);
  transition: color .2s;
}
.mobile-drawer a:hover { color: var(--ink); }
.mobile-drawer-close {
  position: absolute; top: 18px; right: 18px;
  font-size: 1.3rem; color: var(--muted);
}