/* ============================================================
   RESPONSIVE CSS — RM Solutions Mx
   Media queries para responsividad completa.
   Breakpoints: 1024px (tablet), 768px (tablet small),
   480px (móvil).
   ============================================================ */

/* ---- Tablet Grande (≤ 1024px) ---- */
@media (max-width: 1024px) {
  /* Tipografía reducida */
  :root {
    --font-size-hero: 3rem;
    --font-size-3xl: 2rem;
  }

  /* Grid de servicios a 2 columnas */
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Grid de portafolio a 2 columnas */
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Footer a 2 columnas */
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  /* Estadísticas a 2 columnas */
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }
}

/* ---- Tablet Pequeña (≤ 768px) ---- */
@media (max-width: 768px) {
  :root {
    --font-size-hero: 2.5rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --space-5xl: 5rem;
  }

  /* Navegación móvil */
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-3xl);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    z-index: var(--z-header);
  }

  .nav--open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: var(--font-size-lg);
    text-transform: none;
    letter-spacing: var(--tracking-normal);
  }

  /* About grid a 1 columna */
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  /* Servicios a 1 columna */
  .services__grid {
    grid-template-columns: 1fr;
  }

  /* Contacto a 1 columna */
  .contact__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .contact__info {
    padding-right: 0;
  }

  /* Footer a 1 columna */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  /* ---- Admin Responsive ---- */
  .admin-sidebar {
    transform: translateX(-100%);
    position: fixed;
    z-index: var(--z-sidebar);
  }

  .admin-sidebar--open {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0;
  }

  .admin-header__toggle {
    display: flex;
  }

  .admin-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Móvil (≤ 480px) ---- */
@media (max-width: 480px) {
  :root {
    --font-size-hero: 2rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --space-5xl: 4rem;
    --space-4xl: 3rem;
  }

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

  /* Hero más compacto */
  .hero__logo {
    width: 100px;
    height: 100px;
  }

  /* Portafolio a 1 columna */
  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  /* Estadísticas a 1 columna */
  .stats__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  /* Filtros scroll horizontal */
  .filter-bar {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
    -webkit-overflow-scrolling: touch;
  }

  .filter-btn {
    flex-shrink: 0;
  }

  /* Modal más compacto */
  .modal {
    margin: var(--space-md);
    max-height: 90vh;
  }

  .modal__header,
  .modal__body,
  .modal__footer {
    padding: var(--space-md);
  }
}

/* ---- Pantallas grandes (≥ 1400px) ---- */
@media (min-width: 1400px) {
  :root {
    --font-size-hero: 4.5rem;
  }

  .hero {
    min-height: 100vh;
  }
}