/* ==========================================================================
   ZAG Creative Web Design — Responsive Stylesheet
   Breakpoints, Mobile Navigation & Fluid Adjustments
   ========================================================================== */

/* --- Tablet & Medium Screens (max-width: 1024px) --- */
@media (max-width: 1024px) {
  :root {
    --size-h1: 46px;
    --size-h2: 40px;
    --size-h3: 34px;
    --size-h4: 28px;
    --size-h5: 24px;
    --size-h6: 20px;
    --space-2xl: 64px;
    --space-3xl: 88px;
  }

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

  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }

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

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

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

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

  .footer-brand-col {
    grid-column: span 2;
  }
}

/* --- Mobile Breakpoint (max-width: 768px) --- */
@media (max-width: 768px) {
  :root {
    --size-h1: 36px;
    --size-h2: 32px;
    --size-h3: 28px;
    --size-h4: 24px;
    --size-h5: 22px;
    --size-h6: 18px;
    --size-body: 17px;
    --size-lead: 19px;
    --container-pad: 20px;
    --space-xl: 40px;
    --space-2xl: 52px;
    --space-3xl: 68px;
  }

  .nav-container {
    height: 72px;
  }

  /* Show mobile hamburger, hide desktop menu */
  .desktop-nav {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .tier-pane.active {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .tier-tabs {
    flex-wrap: wrap;
  }

  .tier-tab-btn {
    width: 100%;
    text-align: center;
  }

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

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

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

  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-stat-badge {
    position: static;
    margin-top: 16px;
    display: inline-block;
  }

  .compare-box {
    padding: 28px 20px;
  }

  .cta-banner {
    padding: 44px 24px;
  }

  .contact-form-box {
    padding: 28px 20px;
  }

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

  .footer-brand-col {
    grid-column: span 1;
  }
}

/* --- Small Mobile (max-width: 480px) --- */
@media (max-width: 480px) {
  :root {
    --size-h1: 32px;
    --size-h2: 28px;
    --size-h3: 24px;
    --size-body: 16px;
  }

  .brand-logo-img {
    height: 38px;
  }

  .brand-title {
    font-size: 22px;
  }

  .brand-sub {
    font-size: 11px;
  }

  .btn {
    padding: 12px 20px;
    font-size: 15px;
  }

  .tag-pill {
    padding: 4px 10px;
    font-size: 11px;
  }

  .diff-card {
    padding: 24px 20px;
  }
}