/* ── Navigation ─────────────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226,232,240,.8);
  transition: box-shadow .2s;
}
.site-nav.scrolled { box-shadow: 0 4px 24px rgba(15,23,42,.10); }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-h);
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
}

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 22px; font-weight: 800;
  color: var(--navy); letter-spacing: -.02em; flex-shrink: 0;
}
.nav-brand img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
.nav-brand em { font-style: italic; color: var(--sky); }

.nav-links {
  display: flex; align-items: center; gap: 4px;
}
.nav-links a {
  padding: 8px 14px; font-size: 14px; font-weight: 500; color: var(--slate);
  border-radius: 8px; transition: color .15s; background: none;
}
.nav-links a:hover { color: var(--sky) !important; background: none; }
.nav-links a.active { color: var(--sky) !important; font-weight: 600; background: none; }

.nav-cta {
  display: flex; align-items: center; gap: 10px;
}
.nav-cta .btn { padding: 10px 20px; font-size: 14px; border-radius: 10px; }

.nav-hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; background: none; border: none; padding: 8px;
}
.nav-hamburger span { display: block; height: 2px; background: var(--navy); border-radius: 2px; transition: all .25s; }

/* Mobile nav */
.nav-mobile {
  display: none; flex-direction: column;
  position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--white); z-index: 999;
  padding: 24px; gap: 4px; overflow-y: auto;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 14px 16px; font-size: 16px; font-weight: 500; color: var(--slate);
  border-radius: var(--radius); transition: color .15s;
}
.nav-mobile a:hover { color: var(--sky); background: none; }
.nav-mobile a.active { color: var(--sky); font-weight: 600; background: none; }
.nav-mobile .divider { height: 1px; background: var(--border); margin: 12px 0; }
.nav-mobile .btn { width: 100%; justify-content: center; margin-top: 8px; }

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}