/* ===========================
   THEME & RESPONSIVE DESIGN
   =========================== */

/* Responsive Design */
@media (max-width: 968px) {
  .header {
    top: 1rem;
    width: 95%;
  }

  .header-content {
    padding: 0.75rem 1.5rem;
  }

  .logo img {
    height: 40px;
  }

  .hero {
    background-attachment: scroll;
    padding: var(--spacing-2xl) 0;
  }

  .hero-content {
    text-align: center;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .unit-body {
    padding: 22px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .units-grid,
  .value-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

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

  .nav {
    display: none;
  }

  .project-card {
    min-width: 320px;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

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