/* ==========================================================================
   Responsive Breakpoints & Media Queries
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .arch-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 4rem 0;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--bg-card-solid);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    border-top: 1px solid var(--border-subtle);
    z-index: 99;
  }

  .nav-links.mobile-open {
    transform: translateX(0);
  }

  .mobile-toggle {
    display: block;
  }

  .header-actions .btn {
    display: none;
  }

  .metrics-bar {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .arch-steps-grid {
    grid-template-columns: 1fr;
  }

  .timeline-line {
    left: 10px;
  }

  .timeline-item {
    padding-left: 36px;
  }

  .timeline-dot {
    left: 1px;
    width: 18px;
    height: 18px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .matrix-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}