/* ============================================================
   CELL SPACE — Responsive global  ·  v2
   Va SIEMPRE ÚLTIMO, después de styles.css, tienda.css y cs-auth.css.
   El escritorio queda intacto: casi todo vive dentro de media queries.
   ============================================================ */

/* ---------- Base de seguridad (todos los tamaños) ---------- */
html, body { max-width: 100%; overflow-x: hidden; }

*, *::before, *::after { box-sizing: border-box; }

img, video, iframe, canvas, svg { max-width: 100%; }

p, h1, h2, h3, h4, h5, span, a, td, li, label,
.product-title, .product-title-premium, .cart-item-title {
  overflow-wrap: break-word;
}

/* Menús desplegables: hover solo con puntero real */
@media (hover: none) {
  .has-dropdown:hover .dropdown { opacity: 0; visibility: hidden; }
}
.has-dropdown.open .dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}

/* ============================================================
   ≤ 1024px  ·  TABLET
   ============================================================ */
@media (max-width: 1024px) {
  .container,
  .header-container,
  .main-nav .nav-container,
  .header-top-content,
  .main-navigation .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .carousel { height: 420px; }

  .cta-section { padding: 40px 26px; }
  .process-section { padding: 40px 24px; }
  .brands-section { padding: 40px 24px; }
}

/* ============================================================
   ≤ 768px  ·  MÓVIL
   ============================================================ */
@media (max-width: 768px) {

  .container,
  .header-container,
  .main-nav .nav-container,
  .header-top-content,
  .main-navigation .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* ---------- Barra de anuncios ---------- */
  .announcement-bar,
  .top-announcement-bar { padding: 9px 0; }

  .announcement-scroll { gap: 34px; animation-duration: 22s; }
  .announcement-item { font-size: 11.5px; gap: 7px; }
  .announcement-item i,
  .announcement-item .icon { font-size: 13px; }

  /* ---------- HEADER A: index (.main-header-bar) ---------- */
  .main-header-bar { padding: 10px 0; }

  .header-container {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
  }

  .header-left  { order: 1; }
  .header-right { order: 2; margin-left: auto; gap: 14px; }
  .header-center { order: 3; flex: 1 0 100%; max-width: none; }

  .header-logo img { height: 36px; }
  .header-brand-text .brand-name { font-size: 16px; }
  .header-brand-text .brand-subtitle { font-size: 10px; letter-spacing: 1px; }

  .header-link span:not(.badge) { display: none; }
  .header-link svg { width: 24px; height: 24px; }

  /* ---------- HEADER B: tienda/checkout (.site-header) ---------- */
  .header-top { padding: 10px 0; }

  .header-top-content {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
  }

  .logo { gap: 9px; }
  .logo img { height: 36px; }
  .logo-main { font-size: 16px; }
  .logo-sub { font-size: 9.5px; letter-spacing: 1px; }

  .header-actions { margin-left: auto; gap: 14px; align-items: center; }

  .header-action span,
  .btn-login-header span { display: none; }

  .header-action i { font-size: 20px; }

  .btn-login-header { padding: 9px 13px; }

  #guestActions { gap: 10px; }

  .header-search {
    order: 3;
    flex: 1 0 100%;
    max-width: none;
    width: 100%;
  }

  /* Dropdown de usuario compacto */
  .user-btn { padding: 4px 8px 4px 4px; gap: 6px; }
  .user-btn .user-info,
  .user-btn .dropdown-arrow { display: none; }
  .user-avatar-small { width: 32px; height: 32px; }

  .dropdown-menu {
    right: 0;
    left: auto;
    min-width: 210px;
    max-width: calc(100vw - 32px);
  }

  /* ---------- NAVEGACIÓN: se desliza, no se apila ---------- */
  .main-nav .nav-container {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 10px;
    align-items: center;
  }

  .main-nav-menu,
  .nav-menu {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex: 1;
    min-width: 0;
  }

  .main-nav-menu::-webkit-scrollbar,
  .nav-menu::-webkit-scrollbar { display: none; }

  .main-nav-menu .nav-link,
  .nav-menu .nav-link {
    padding: 12px 13px;
    font-size: 11.5px;
    white-space: nowrap;
    border-bottom-width: 3px;
    justify-content: center;
  }

  .nav-buttons {
    margin-top: 0;
    gap: 8px;
    flex-shrink: 0;
  }

  .btn-imei-check,
  .btn-whatsapp { padding: 9px 13px; font-size: 12px; }

  /* ---------- FORMULARIOS: 16px evita el zoom de iOS ---------- */
  input, select, textarea,
  .header-search .search-input,
  .form-group input,
  .cs-select,
  .sort-select,
  .filter-search,
  .filter-select,
  .cs-select-trigger,
  .modal-imei-content input {
    font-size: 16px !important;
    max-width: 100%;
  }

  /* ---------- ÁREAS TÁCTILES ---------- */
  button, .btn, .btn-block, .btn-filter, .btn-add-cart,
  .btn-add-cart-premium, .btn-checkout, .btn-check-imei,
  .btn-service-primary, .btn-service-secondary,
  .btn-hero-primary, .btn-hero-secondary,
  .btn-primary, .btn-secondary, .page-btn, .view-btn,
  .search-btn, .header-search .search-btn {
    min-height: 44px;
  }

  /* ---------- HERO / CARRUSEL ---------- */
  .hero { padding: 18px 16px; }

  .carousel { height: 340px; border-radius: 14px; }

  .carousel-content {
    padding: 22px 20px;
    max-width: 100%;
    left: 0; right: 0;
    text-align: left;
  }

  .carousel-content h1 { font-size: 1.5rem; margin-bottom: 10px; }
  .carousel-content h2 { font-size: 0.98rem; margin-bottom: 18px; }
  .carousel-content .btn { padding: 12px 22px; font-size: 13px; }

  .carousel-btn { width: 38px; height: 38px; font-size: 18px; }
  .carousel-btn.prev { left: 8px; }
  .carousel-btn.next { right: 8px; }
  .carousel-dots { bottom: 14px; gap: 9px; }
  .dot { width: 9px; height: 9px; }

  .hero-buttons { flex-direction: column; gap: 12px; }
  .hero-buttons a { justify-content: center; }

  /* ---------- SECCIONES ---------- */
  .home-section { padding: 36px 0; }
  .services { padding: 40px 16px; }
  .featured-section { padding: 40px 16px; }
  .services-section,
  .why-us-section,
  .brands-section { margin-bottom: 44px; }

  .section-title { font-size: 20px; gap: 10px; margin-bottom: 26px; }
  .section-title i { font-size: 22px; }
  .section-subtitle { font-size: 14px; }

  .section-header { flex-direction: column; gap: 16px; text-align: center; }

  /* ---------- TARJETAS ---------- */
  .services-grid,
  .benefits-grid,
  .why-us-grid { grid-template-columns: 1fr; gap: 16px; }

  .service-card { padding: 22px 18px; }
  .service-card h3 { font-size: 17px; }
  .service-icon { width: 60px; height: 60px; margin-bottom: 15px; }
  .service-icon i { font-size: 26px; }

  .benefit-card { padding: 22px 18px; }
  .benefit-number { font-size: 36px; top: 14px; right: 14px; }

  /* Destacados: 2 columnas, más compactas */
  .products-grid-premium {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .product-image-container { height: 150px; }
  .product-image { padding: 10px; }
  .product-info-premium { padding: 12px; }
  .product-title-premium { font-size: 13px; min-height: 36px; }
  .current-price { font-size: 18px; }
  .old-price { font-size: 12px; }
  .product-desc-premium { display: none; }
  .btn-add-cart-premium { padding: 11px; font-size: 13px; }
  .product-category { font-size: 10px; }

  /* ---------- SERVICIO TÉCNICO ---------- */
  .service-hero { padding: 40px 0; margin-bottom: 34px; }
  .service-hero .container { grid-template-columns: 1fr; gap: 26px; }
  .service-title { font-size: 26px; }
  .service-subtitle { font-size: 15px; }
  .service-features { grid-template-columns: 1fr; gap: 12px; }
  .service-buttons { flex-direction: column; gap: 12px; }
  .btn-service-primary,
  .btn-service-secondary { padding: 15px 22px; justify-content: center; }

  .process-section { padding: 30px 18px; margin-bottom: 44px; }
  .process-steps { flex-direction: column; gap: 22px; }
  .process-arrow { transform: rotate(90deg); }
  .step-icon { width: 62px; height: 62px; margin-bottom: 14px; }

  .cta-section {
    grid-template-columns: 1fr;
    padding: 34px 20px;
    gap: 24px;
    margin-bottom: 44px;
  }
  .cta-content h2 { font-size: 23px; }
  .cta-content p { font-size: 15px; }
  .btn-cta-large { padding: 16px 26px; font-size: 15px; justify-content: center; width: 100%; }

  /* ---------- CONTACTO ---------- */
  .contact-section { padding: 34px 20px; }
  .contact-box h2 { font-size: 23px; }
  .contact-box p { font-size: 15px; }
  .btn-whatsapp-large { padding: 15px 24px; font-size: 15px; width: 100%; justify-content: center; }

  /* ---------- LOGIN / REGISTRO / OTP ---------- */
  .login-page { padding: 30px 16px; min-height: auto; }
  .login-box { padding: 26px 18px; border-radius: 16px; }
  .login-logo { height: 60px; }
  .login-header h1 { font-size: 21px; }

  .otp-modal { padding: 12px; }
  .otp-modal-content { padding: 26px 16px; }
  .otp-inputs { gap: 7px; }
  .otp-input { width: 42px; height: 52px; font-size: 20px; }
  .otp-input:focus { transform: none; }

  .modal-imei-content { padding: 28px 18px; }
  .modal-imei-content h2 { font-size: 20px; }
  .modal-close { top: 12px; right: 12px; width: 34px; height: 34px; font-size: 20px; }

  /* ---------- FOOTERS (los dos sistemas) ---------- */
  .footer-professional { padding: 40px 16px 24px; margin-top: 46px; }
  .site-footer { padding: 40px 0 24px; margin-top: 46px; }

  .footer-grid { grid-template-columns: 1fr; gap: 26px; }

  .footer-logo { height: 54px; }
  .footer-brand img { height: 44px; }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .social-links { justify-content: flex-start; }

  .contact-info li { align-items: flex-start; }
  .contact-info i { flex-shrink: 0; margin-top: 4px; }

  /* ---------- CARRITO ---------- */
  .cart-modal-overlay { align-items: flex-end; }

  .cart-modal-overlay .cart-modal {
    width: 100%;
    max-width: none;
    max-height: 88vh;
    height: auto;
    border-radius: 16px 16px 0 0;
    border-left: none;
    transform: none;
  }

  .cart-item { padding: 12px; gap: 12px; }
  .cart-item-img { width: 56px; height: 56px; }

  .cart-controls button { width: 34px; height: 34px; font-size: 16px; }

  .cart-buttons { flex-direction: column; }

  /* ---------- MARCAS ---------- */
  .brands-section { padding: 30px 16px; }
  .brands-title { font-size: 17px; margin-bottom: 24px; letter-spacing: 1px; }
  .brands-grid { gap: 22px; }

  /* ---------- WHATSAPP FLOTANTE ---------- */
  .wa-float { bottom: 74px; right: 14px; }

  /* Fondo animado: consume batería y no aporta en móvil */
  .particles { display: none; }
  body::after { animation: none; opacity: 0.35; }
}

/* ============================================================
   ≤ 420px  ·  MÓVIL CHICO
   ============================================================ */
@media (max-width: 420px) {
  .container,
  .header-container,
  .main-nav .nav-container,
  .header-top-content { padding-left: 12px; padding-right: 12px; }

  .logo-sub,
  .header-brand-text .brand-subtitle { display: none; }

  .logo img,
  .header-logo img { height: 32px; }

  .logo-main,
  .header-brand-text .brand-name { font-size: 15px; }

  .header-actions, .header-right { gap: 12px; }

  .carousel { height: 290px; }
  .carousel-content h1 { font-size: 1.28rem; }
  .carousel-content h2 { font-size: 0.9rem; }

  .section-title { font-size: 18px; }

  .products-grid-premium { gap: 10px; }
  .product-image-container { height: 128px; }
  .product-title-premium { font-size: 12px; min-height: 32px; }
  .current-price { font-size: 16px; }

  .otp-inputs { gap: 5px; }
  .otp-input { width: 38px; height: 48px; font-size: 18px; }

  .brands-grid { gap: 18px; }
}

/* ============================================================
   Accesibilidad: respeta "reducir movimiento"
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .announcement-scroll { animation: none !important; }
}