/* ============================================
   TABLET (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .docs-card-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }

  .docs-layout {
    grid-template-columns: 200px 1fr;
    gap: 32px;
  }

  .article-layout {
    grid-template-columns: 1fr 240px;
    gap: 32px;
  }

  h1 { font-size: 2.5rem; }
  .hero h1 { font-size: 3rem; }

  .hero-split { gap: 40px; }
  .arch-entity span { font-size: 0.6875rem; }
  .arch-diagram { max-width: 340px; }
  .arch-lines-v { height: 28px; }

  /* Feature sections */
  .feature-split { gap: 40px; }
  .disc-diagram, .wf-diagram, .audit-diagram, .deploy-diagram { max-width: 380px; }
  .wf-connector { min-width: 16px; }
}

/* ============================================
   MOBILE (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  :root {
    --container-padding: 20px;
  }

  .section { padding: 64px 0; }
  .section-sm { padding: 48px 0; }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero h1 { font-size: 2.25rem; }
  .hero .tagline { font-size: 1.25rem; }
  .page-hero h1 { font-size: 2rem; }

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

  .blog-grid { grid-template-columns: 1fr; }
  .docs-card-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  /* Header */
  .header-nav { display: none; }
  .header-actions { display: none; }
  .mobile-menu-toggle { display: flex; }
  .mobile-drawer { display: block; }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* Article */
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .article-hero {
    padding: 100px 0 32px;
  }

  /* Docs */
  .docs-layout {
    grid-template-columns: 1fr;
  }
  .docs-sidebar {
    position: static;
    max-height: none;
    display: none;
  }
  .docs-sidebar.open { display: block; }
  .docs-sidebar-toggle { display: block; }

  /* Hero */
  .hero { min-height: auto; padding: 120px 20px 64px; }
  .hero-split {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-content { text-align: center; }
  .hero-ctas { flex-direction: column; align-items: center; }

  /* Vertical diagram mobile */
  .arch-diagram { max-width: 320px; margin: 0 auto; }
  .arch-entity { padding: 6px 8px; }
  .arch-entity-icon { width: 22px; height: 22px; }
  .arch-entity-icon svg { width: 12px; height: 12px; }
  .arch-entity span { font-size: 0.625rem; }
  .arch-lines-v { height: 28px; }
  .arch-hub { padding: 12px 14px; }
  .arch-hub-header { font-size: 0.75rem; margin-bottom: 8px; }
  .arch-hub-logo { width: 18px; height: 18px; }
  .arch-service { font-size: 0.625rem; padding: 4px 6px; gap: 4px; }
  .arch-service svg { width: 10px; height: 10px; }

  /* Feature sections */
  .feature-split {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .feature-split-reverse .feature-visual {
    order: 0;
  }
  .feature-content { text-align: center; }
  .feature-visual { justify-content: center; }
  .disc-diagram, .wf-diagram, .audit-diagram, .deploy-diagram {
    max-width: 320px;
    margin: 0 auto;
  }
  .deploy-platform { min-width: 120px; padding: 12px 14px; }
  .deploy-platform-header { font-size: 0.65rem; }
  .deploy-entry { font-size: 0.6rem; padding: 4px 6px; }
  .deploy-lines { min-width: 32px; }
  .wf-step .arch-entity span { font-size: 0.625rem; }
  .wf-connector { min-width: 14px; }
  .wf-step .arch-entity { min-width: 50px; padding: 6px 4px; }

  /* CTA */
  .cta-section { padding: 64px 20px; }
}

/* ============================================
   SMALL MOBILE (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
  .hero h1 { font-size: 1.875rem; }
  .card { padding: 24px; }
  .blog-card-body { padding: 16px; }

  .footer-grid { gap: 24px; }

  .arch-row { gap: 6px; }
  .arch-lines-v { gap: 6px; height: 24px; }
  .arch-hub-services { flex-direction: column; }

  /* Discovery: stack vertically */
  .disc-diagram {
    flex-direction: column;
    max-width: 260px;
  }
  .disc-lines {
    flex-direction: row;
    gap: 10px;
    min-width: auto;
    justify-content: center;
  }
  .disc-line-h {
    width: 1px;
    height: 24px;
  }
  .disc-line-h .flow-dot.flow-h {
    animation-name: flow-down;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
  }
  .disc-column {
    flex-direction: row;
    gap: 6px;
    justify-content: center;
  }

  /* Workflow: vertical chain */
  .wf-chain {
    flex-direction: column;
    align-items: center;
  }
  .wf-step .arch-entity {
    flex-direction: row;
    min-width: auto;
    padding: 8px 10px;
  }
  .wf-connector {
    width: 1px;
    height: 24px;
    min-width: auto;
    padding-top: 0;
  }
  .wf-line {
    width: 1px;
    height: 100%;
  }
  .wf-line .flow-dot.flow-h {
    animation-name: flow-down;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
  }
}