/* =========================================================
   RESPONSIVE — PlusExpert
   ========================================================= */

/* Tablet */
@media (max-width: 1024px){
  .section{ padding: 76px 0; }
  .hero{ padding: 64px 0 60px; }
  .hero-inner{ grid-template-columns: 1fr; gap: 48px; }
  .hero-visual{ order: -1; max-width: 480px; margin: 0 auto; width: 100%; }
  .solution-inner{ grid-template-columns: 1fr; gap: 40px; }
  .solution-visual{ order: -1; max-width: 480px; margin: 0 auto; width: 100%; }
  .grid-3{ grid-template-columns: repeat(2, 1fr); }
  .flow{ flex-wrap: wrap; }
  .flow-step{ flex: 1 1 40%; }
  .flow-arrow{ display: none; }
  .screens-grid{ grid-template-columns: 1fr; }
}

/* Mobile */
@media (max-width: 640px){
  .container{ padding: 0 18px; }
  .section{ padding: 60px 0; }
  .header-inner{ height: 64px; }
  .logo-text{ font-size: 0.95rem; }
  .btn-header{ padding: 8px 14px; font-size: 0.85rem; }

  .hero{ padding: 40px 0 48px; }
  .hero h1{ font-size: 1.7rem; }
  .hero-sub{ font-size: 1rem; }
  .hero-actions{ flex-direction: column; align-items: stretch; }
  .hero-actions .btn{ width: 100%; }

  .scan-card{ transform: none; }
  .scan-card-body{ padding: 18px; }

  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .flow-step{ flex: 1 1 100%; }

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

  .solution-section h2{ font-size: 1.6rem; }
  .mono-block{ font-size: 0.78rem; padding: 20px; }

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

  .contact-section .hero-actions{ align-items: stretch; }
  .contact-section .hero-actions .btn{ width: 100%; justify-content: center; }

  .whatsapp-float{ right: 16px; bottom: 88px; width: 50px; height: 50px; }
  .back-to-top{ right: 16px; bottom: 150px; width: 40px; height: 40px; }

  .mobile-cta-bar{
    display: block;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 95;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,0.92);
    backdrop-filter: saturate(180%) blur(10px);
    border-top: 1px solid var(--color-line);
    transform: translateY(100%);
    transition: transform 0.25s var(--ease);
  }
  .mobile-cta-bar.is-visible{ transform: translateY(0); }

  body{ padding-bottom: 0; }
}

/* Small mobile */
@media (max-width: 380px){
  .hero h1{ font-size: 1.5rem; }
  .price{ font-size: 1.8rem; }
}