/* ─── NAV ─── */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4vw;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, background 0.3s;
  }

  nav.scrolled {
    border-color: var(--border);
    background: rgba(244,237,224,0.94);
    backdrop-filter: blur(16px);
  }

  .nav-logo {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.2rem, 1.25vw, 1.45rem);
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.015em;
    display: flex;
    align-items: center;
    gap: 0.56rem;
  }

  .nav-logo .mark { color: var(--accent); font-size: 0.95rem; }

  .nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    align-items: center;
  }

  .nav-links a {
    font-family: 'DM Mono', 'JetBrains Mono', monospace;
    font-size: var(--sm);
    color: var(--muted);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color 0.2s;
  }

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

  .nav-cta {
    background: var(--accent) !important;
    color: #fff !important;
    padding: 0.5rem 1.25rem;
    border-radius: 2px;
    font-weight: 500 !important;
    transition: opacity 0.2s !important;
  }

  .nav-cta:hover { opacity: 0.88; }

  .nav-mobile-cta { display: none; }

  .nav-mobile-right {
    display: none;
    align-items: center;
    gap: 0.75rem;
  }

  /* ─── LANGUAGE SWITCHER ─── */
  .lang-switch {
    display: inline-flex;
    position: relative;
    border: 1px solid var(--border);
    overflow: hidden;
    cursor: pointer;
    border-radius: 2px;
    transition: border-color 0.2s;
  }

  .lang-switch:hover { border-color: var(--border2); }

  .lang-pill-bg {
    position: absolute;
    top: 0; left: 0;
    width: 50%; height: 100%;
    background: var(--accent);
    transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
    will-change: transform;
  }

  .lang-switch[data-active="bg"] .lang-pill-bg {
    transform: translateX(100%);
  }

  .lang-switch.switching .lang-pill-bg {
    animation: pillBounce 0.38s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  }

  @keyframes pillBounce {
    0% { transform: translateX(var(--from)); }
    70% { transform: translateX(calc(var(--to) + 2%)); }
    100% { transform: translateX(var(--to)); }
  }

  .lang-opt {
    font-family: 'DM Mono', 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    padding: 0.38rem 0.65rem;
    position: relative;
    z-index: 1;
    color: var(--muted);
    transition: color 0.3s;
    user-select: none;
    white-space: nowrap;
  }

  .lang-opt.active { color: #fff; }

  /* EN/БГ switch hidden; DOM + i18n unchanged. .nav-lang-item = desktop column. */
  nav .nav-links > li.nav-lang-item {
    display: none !important;
  }
  .nav-mobile-right .lang-switch {
    display: none !important;
  }