.navbar {
  position: sticky;
  top: 0;
  z-index: 9999;
  transition: box-shadow .22s ease, background .22s ease, transform .18s ease;
  backdrop-filter: blur(6px);
  
}

.navbar {
  background: linear-gradient(180deg, rgba(74,0,5,0.95), rgba(122,0,8,0.95));
}

/* shadow when scrolled */
.navbar.scrolled {
  box-shadow: 0 8px 30px rgba(0,0,0,0.6);
  transform: translateY(0);
  background: linear-gradient(180deg, rgba(74,0,5,1), rgba(122,0,8,1));
}

/* Mobile nav toggle (hamburger) */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 44px;
    width: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
}

/* three bar icon */
.nav-toggle .bar {
  display: block;
  width: 30px;
  height: 2px;
  background: var(--white);
  margin: 3px 0;
  border-radius: 2px;
  transition: transform .18s ease, opacity .18s ease;
}


.nav-toggle.open .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open .bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open .bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}


/* Mobile layout */
@media (max-width: 760px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    right: 12px;
    background: rgba(0,0,0,0.75);
    border-radius: 10px;
    padding: 12px;
    min-width: 200px;
    box-shadow: 0 14px 40px rgba(0,0,0,0.6);
    flex-direction: column;
    gap: 6px;
  }

  .nav-links.show {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }
  .nav-links a {
    display: block;
    padding: 10px 14px;
    color: var(--white);
  }
}