/* ============================================================
   RESPONSIVE — kırılım noktaları: 1440 / 1080 / 860 / 640 / 375
   (Cascade'de en sonda yüklenir, base/components/pages üzerine yazar.)
   ============================================================ */

/* ===== ≤1080px — mega menu -> mobil tam ekran nav ===== */
@media (max-width: 1080px) {
  .main-nav, .header-phone { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: block; }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; margin-bottom: 12px; }
  .command-center { max-width: 420px; margin: 0 auto; }

  .monitoring-center__inner,
  .mobile-app__inner,
  .contact-cta__inner {
    grid-template-columns: 1fr;
  }
  .mobile-app__visual { order: -1; }

  .solutions-grid { grid-template-columns: 1fr 1fr; }
  .solution-card--wide { grid-column: span 2; }

  .demo-layout { grid-template-columns: 1fr; }

  .packages-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .package-card--featured { transform: none; order: -1; }

  .why-us-grid { grid-template-columns: 1fr 1fr; }

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

  .network-diagram { max-width: 480px; }
}

/* ===== ≤860px ===== */
@media (max-width: 860px) {
  .feature-strip__grid { grid-template-columns: 1fr 1fr; }
  .system-health__grid { grid-template-columns: 1fr 1fr; }

  .timeline { grid-template-columns: 1fr; gap: 40px; }
  .timeline__step::after { display: none; }

  .monitoring-features { grid-template-columns: 1fr; }

  /* Desktop floating cluster -> mobil sticky alt bar */
  .quick-actions { display: none; }
  .mobile-action-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 250;
    background: var(--surface-raised);
    border-top: 1px solid var(--border);
    box-shadow: 0 -8px 24px rgba(0,0,0,0.08);
    padding: 10px 8px calc(10px + env(safe-area-inset-bottom));
  }
  .mobile-action-bar__btn {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    font-size: 0.68rem; font-weight: 700; color: var(--text); padding: 6px 4px; border-radius: var(--radius-sm);
  }
  .mobile-action-bar__btn .icon { color: var(--primary); width: 20px; height: 20px; }
  .mobile-action-bar__btn--primary { color: var(--primary); }

  body { padding-bottom: 68px; }

  .advisor-panel { right: 12px; bottom: 12px; width: calc(100vw - 24px); }
}

/* ===== ≤640px ===== */
@media (max-width: 640px) {
  :root { --header-height: 72px; --header-height-scrolled: 64px; }
  .container { padding: 0 20px; }

  .hero { padding: calc(var(--header-height) + 32px) 0 56px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }

  .solutions, .how-it-works, .monitoring-center, .mobile-app, .packages, .why-us, .contact-cta, .security-demo, .editorial-moment, .network-section {
    padding: 64px 0;
  }
  .editorial-moment { padding: 96px 0; }

  .solutions-grid { grid-template-columns: 1fr; }
  .solution-card--wide { grid-column: span 1; }

  .feature-strip__grid { grid-template-columns: 1fr; gap: 18px; }
  .system-health__grid { grid-template-columns: 1fr; }

  .why-us-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 36px; }

  .contact-form { padding: 28px 22px; }

  /* Command Center: absolute katmanlı kompozisyondan yalın dikey akışa geç */
  .command-center { max-width: 340px; aspect-ratio: auto; }
  .command-center__backdrop { inset: -20px -10px -10px -20px; opacity: 0.35; }
  .command-center__zones, .command-center__events {
    position: static; width: 100%; margin-top: 12px; box-shadow: none;
  }
  .command-center__link { margin-top: 16px; }

  /* Güvenliği Deneyimleyin: floorplan grid -> tam genişlik liste satırları */
  .floorplan { grid-template-columns: 1fr; grid-template-rows: none; min-height: 0; }
  .room { flex-direction: row; align-items: center; justify-content: space-between; min-height: 56px; padding: 10px 14px; }
  .room__hotspot { position: static; width: 26px; height: 26px; }
  .room__label { font-size: 0.85rem; }

  .advisor-option-grid { grid-template-columns: 1fr; }
  .advisor-panel { right: 0; bottom: 0; width: 100%; max-width: 100%; max-height: 100%; border-radius: 0; }

  .network-diagram { max-width: 320px; }
  .network-node { width: 68px; }
  .network-node__dot { width: 38px; height: 38px; }
  .network-node span { font-size: 0.62rem; }
  .network-center { width: 108px; height: 108px; }
  .network-center span { font-size: 0.62rem; }

  .dashboard-mock__cards { grid-template-columns: 1fr 1fr; }
}

/* ===== ≤400px — çok küçük ekranlar için ek güvenlik ===== */
@media (max-width: 400px) {
  .mega-panel { min-width: calc(100vw - 40px); }
}