.hamburger {
  display: none !important;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  padding: .25rem .4rem;
  color: #0f172a;
  line-height: 1;
  z-index: 1001;
  transition: transform .2s;
}

.hamburger.open { transform: rotate(90deg); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 998;
  backdrop-filter: blur(3px);
  animation: fadeIn .25s ease;
}

.nav-overlay.open { display: block; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

@media (max-width: 900px) {

  /* ── Show hamburger ── */
  .hamburger { display: flex !important; align-items: center; }

  /* ── Navbar layout ── */
  .navbar {
    padding: 0 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  /* ── Slide-in drawer: nav-links ── */
  .nav-links {
    position: fixed !important;
    top: 0 !important;
    right: -110% !important;
    width: min(290px, 82vw) !important;
    height: 100vh !important;
    background: #0f172a !important;
    flex-direction: column !important;
    gap: 0 !important;
    padding: 4.5rem 0 1.5rem !important;
    z-index: 999 !important;
    margin: 0 !important;
    transition: right .3s cubic-bezier(.4,0,.2,1) !important;
    box-shadow: -12px 0 40px rgba(0,0,0,.4) !important;
    overflow-y: auto;
    list-style: none;
  }

  .nav-links.open { right: 0 !important; }

  .nav-links li { width: 100%; border-bottom: 1px solid rgba(255,255,255,.07); }

  .nav-links a {
    display: block !important;
    padding: .95rem 1.5rem !important;
    color: rgba(255,255,255,.88) !important;
    font-size: .95rem !important;
    font-weight: 500 !important;
    transition: background .15s, color .15s !important;
    text-decoration: none !important;
  }

  .nav-links a:hover,
  .nav-links a.active {
    background: rgba(37,99,235,.25) !important;
    color: #60a5fa !important;
  }

  .nav-links a::after { display: none !important; }

  /* ── Nav actions inside drawer ── */
  .nav-actions {
    position: fixed !important;
    top: 0 !important;
    right: -110% !important;
    width: min(290px, 82vw) !important;
    height: 100vh !important;
    background: #0f172a !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: .6rem !important;
    padding: 2rem 1.25rem !important;
    padding-top: calc(4.5rem + var(--links-count, 5) * 49px) !important;
    z-index: 999 !important;
    transition: right .3s cubic-bezier(.4,0,.2,1) !important;
    margin: 0 !important;
    border-top: 1px solid rgba(255,255,255,.1);
    overflow-y: auto;
  }

  .nav-actions.open { right: 0 !important; }

  .nav-actions .btn,
  .nav-actions a.btn {
    display: block !important;
    width: 100% !important;
    text-align: center !important;
    border-radius: 8px !important;
    padding: .65rem 1rem !important;
    font-size: .88rem !important;
    box-sizing: border-box;
  }

  .nav-actions form { width: 100%; }
  .nav-actions form button { width: 100%; display: block; border-radius: 8px !important; padding: .65rem 1rem !important; }
}

@media (max-width: 480px) {
  .navbar { height: 60px; }
  .nav-brand { font-size: 1.15rem; }
}