/* ==========================================================================
   Layout & Responsive Grids - Research Loop
   ========================================================================== */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-6);
}

.grid-align-center {
  align-items: center;
}

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Responsive Adjustments */

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 1080px) {
  .top-bar-contacts {
    display: none; /* Keep top bar clean on mobile */
  }

  .top-bar-inner {
    justify-content: space-between;
    width: 100%;
  }

  .nav-links {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    padding: var(--space-6) var(--space-5);
    box-shadow: var(--shadow-xl);
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
  }

  .nav-links.mobile-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .mobile-menu-btn {
    display: block;
  }

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

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .footer-newsletter-wrap {
    flex-direction: column;
    align-items: stretch;
  }

  .newsletter-form {
    max-width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }

  .footer-bottom-links {
    justify-content: center;
  }

  .promo-bar-content {
    font-size: 0.8rem;
  }
}