/* ==========================================================================
   Kubera Tech - Responsive Mobile Navigation & Media Queries
   ========================================================================== */

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

.burger-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 6px;
}

.mobile-menu-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 15, 29, 0.95);
  backdrop-filter: blur(20px);
  z-index: 2000;
  padding: 2rem;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-menu-modal.open {
  display: flex;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.mobile-menu-links a {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

@media (max-width: 900px) {
  .nav-links, .btn-desktop-only {
    display: none;
  }
  .burger-btn {
    display: block;
  }
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(10, 15, 29, 0.92);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-subtle);
    z-index: 1000;
    align-items: center;
    justify-content: space-around;
    padding: 0 10px;
  }
  .bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 600;
  }
  .bottom-nav-item span:first-child {
    font-size: 1.25rem;
  }
  .bottom-nav-item.active {
    color: var(--primary);
  }
  body {
    padding-bottom: 64px;
  }
}

/* Ultra-Wide Monitors & Large Desktops (>= 1440px) */
@media (min-width: 1440px) {
  .hero-title {
    font-size: 4.2rem;
  }
  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
  }
  .section {
    padding: 70px 0;
  }
}