/* ─── NAV — sharp ────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 60px;
  transition: background 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}
nav.scrolled {
  background: rgba(10,15,30,0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-logo { text-decoration: none; }
.nav-logo img { height: 96px; display: block; filter: brightness(1.08) contrast(1.04); }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.2px;
  transition: color 0.2s;
}
.nav-link:hover { color: #fff; }
.nav-link.active { color: #fff; }