/* ===========================
   Responsive — Tablet (< 1024px)
   =========================== */
@media (max-width: 1023px) {
  :root { --header-height: 76px; }

  .logo img { height: 48px; }

  .main-nav { display: none; }
  .hamburger { display: flex; }

  h1 { font-size: var(--font-size-3xl); }
  h2, .section-title { font-size: var(--font-size-2xl); }

  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4) 0; }
  .stat-item + .stat-item::before { display: none; }

  .networks-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }

  .product-detail-grid { grid-template-columns: 1fr; }
  .detail-intro-grid { grid-template-columns: 1fr; }
  .solution-intro,
  .solution-card-grid,
  .solution-process { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }

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

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

/* ===========================
   Responsive — Mobile (< 640px)
   =========================== */
@media (max-width: 639px) {
  :root { --header-height: 68px; }

  .container { padding: 0 var(--space-4); }

  .page-hero p,
  .solution-overview-body p,
  .solution-overview-body h2,
  .solution-card-kicker {
    overflow-wrap: anywhere;
  }

  .page-hero p {
    max-width: 21rem;
  }

  section { padding: var(--space-12) 0; }

  h1 { font-size: var(--font-size-2xl); }
  h2, .section-title { font-size: var(--font-size-xl); }
  h3 { font-size: var(--font-size-lg); }

  .logo img { height: 44px; }

  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat-item {
    min-height: 92px;
    padding: var(--space-3);
  }
  .stat-number { font-size: 1.75rem; }
  .stat-label {
    font-size: 0.65rem;
    letter-spacing: 0.04em;
  }

  .products-grid { grid-template-columns: 1fr; }
  .networks-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }

  .detail-hero {
    padding: var(--space-12) 0 var(--space-8);
  }

  .detail-hero p,
  .solution-lead,
  .solution-card p,
  .solution-process li {
    overflow-wrap: anywhere;
    hyphens: auto;
  }

  .detail-intro-grid {
    gap: var(--space-6);
    margin-bottom: var(--space-12);
  }

  .detail-intro-media {
    min-height: 220px;
    padding: var(--space-4);
  }

  .detail-intro-media img {
    max-height: 220px;
  }

  .solution-media {
    min-height: 220px;
    padding: var(--space-4);
  }

  .solution-media img {
    max-height: 220px;
  }

  .solution-media-photo img {
    min-height: 220px;
  }

  .solution-overview-media {
    height: 170px;
  }

  .solution-actions {
    flex-direction: column;
  }

  .solution-actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
    white-space: normal;
  }

  .solution-process {
    margin-top: 0;
  }

  .solution-process ol {
    gap: var(--space-3);
    padding: var(--space-4);
  }

  .solution-process li {
    grid-template-columns: 30px 1fr;
    padding: 0;
  }

  .news-list-item,
  .news-list-item-btn {
    grid-template-columns: 1fr;
    gap: 0;
    height: 312px;
  }

  .news-list-img,
  .news-list-placeholder {
    width: 100%;
    height: 160px;
  }

  .news-list-body {
    min-height: 152px;
    padding: var(--space-4);
  }

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

  .site-search-submit {
    width: 100%;
  }

  .event-card { grid-template-columns: 1fr; gap: var(--space-4); }

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

  .footer-nav { grid-template-columns: 1fr 1fr; gap: var(--space-6); }

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

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

  /* Hotspot: auf kleinen Screens Popup als Bottom Sheet */
  .hotspot-popup {
    display: none !important;
  }

  .hotspot-sheet {
    max-height: 84dvh;
    padding: var(--space-5) 0 max(var(--space-5), env(safe-area-inset-bottom));
  }

  .hotspot-sheet-handle {
    margin-bottom: var(--space-3);
  }

  .hotspot-sheet-content {
    padding-bottom: var(--space-1);
  }

  .hotspot-sheet .hotspot-popup-title {
    padding-right: 2.5rem;
  }
}

/* ===========================
   Print
   =========================== */
@media print {
  .site-header,
  .mobile-nav-overlay,
  .hamburger,
  .site-footer nav,
  .btn { display: none; }

  body { font-size: 12pt; }
  a[href]::after { content: ' (' attr(href) ')'; }
}