.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1.2rem;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  background: color-mix(in srgb, var(--bg) 76%, transparent);
  backdrop-filter: blur(10px);
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-heading);
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 0.9rem;
}

.nav-links a,
.mobile-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.93rem;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active,
.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--accent);
}

.menu-btn {
  display: none;
}

.mobile-nav {
  display: none;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .menu-btn {
    display: inline-flex;
    border: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg-soft) 82%, transparent);
    color: var(--text);
    border-radius: 999px;
    padding: 0.45rem 0.8rem;
    cursor: pointer;
  }

  .mobile-nav {
    position: absolute;
    top: calc(var(--nav-height) - 0.3rem);
    right: 1.2rem;
    min-width: 200px;
    background: color-mix(in srgb, var(--bg-elev) 92%, transparent);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 0.7rem;
    box-shadow: var(--shadow);
  }

  .mobile-nav.open {
    display: grid;
    gap: 0.6rem;
  }
}