/* ==========================================================================
   RESPONSIVE CSS — Innova Theme
   Menú móvil independiente (fuera del nav) + breakpoints.
   ========================================================================== */

/* ==========================================================================
   MENÚ MÓVIL — overlay fullscreen (vive fuera del <nav>)
   Siempre oculto por defecto, se muestra con JS class .is-open
   ========================================================================== */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: #050510;
  z-index: 9998;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: var(--space-2xl) var(--space-xl) var(--space-xl);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.admin-bar .mobile-menu {
  top: calc(var(--nav-height) + 46px);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
}

.mobile-menu__link {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
  opacity: 0;
  transform: translateY(20px);
}

.mobile-menu.is-open .mobile-menu__link,
.mobile-menu.is-open .mobile-menu__cta,
.mobile-menu.is-open .mobile-menu__separator,
.mobile-menu.is-open .mobile-menu__divider {
  animation: fade-up 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Stagger para todos los items */
.mobile-menu.is-open li:nth-child(1)  { animation-delay: 0.03s; }
.mobile-menu.is-open li:nth-child(2)  { animation-delay: 0.06s; }
.mobile-menu.is-open li:nth-child(3)  { animation-delay: 0.09s; }
.mobile-menu.is-open li:nth-child(4)  { animation-delay: 0.12s; }
.mobile-menu.is-open li:nth-child(5)  { animation-delay: 0.15s; }
.mobile-menu.is-open li:nth-child(6)  { animation-delay: 0.18s; }
.mobile-menu.is-open li:nth-child(7)  { animation-delay: 0.21s; }
.mobile-menu.is-open li:nth-child(8)  { animation-delay: 0.24s; }
.mobile-menu.is-open li:nth-child(9)  { animation-delay: 0.27s; }
.mobile-menu.is-open li:nth-child(10) { animation-delay: 0.30s; }
.mobile-menu.is-open li:nth-child(11) { animation-delay: 0.33s; }
.mobile-menu.is-open li:nth-child(12) { animation-delay: 0.36s; }

.mobile-menu__link:hover {
  color: var(--color-accent);
}

/* Separador de sección en menú móvil */
.mobile-menu__separator {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  padding-bottom: var(--space-xs);
  opacity: 0;
  transform: translateY(20px);
}

/* Línea divisoria en menú móvil */
.mobile-menu__divider {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  margin: var(--space-sm) 0;
  opacity: 0;
  transform: translateY(20px);
}

.mobile-menu__cta {
  margin-top: var(--space-lg);
  opacity: 0;
  transform: translateY(20px);
}

.mobile-menu__cta .btn {
  font-size: var(--text-base);
  padding: 16px 48px;
}

/* --- Desktop pequeño (≤ 1024px) --- */
@media (max-width: 1024px) {
  .methodology { grid-template-columns: repeat(2, 1fr); }
  .hero__credentials { gap: var(--space-xl); }

  .footer-main__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* --- Tablet y menor (≤ 768px) --- */
@media (max-width: 768px) {

  /* Ocultar menú desktop, mostrar hamburguesa y habilitar overlay */
  .site-nav__menu-desktop {
    display: none;
  }

  .site-nav__toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  /* Layout */
  .divisions { grid-template-columns: 1fr; gap: var(--space-xl); }
  .service-row { padding: var(--space-xl) 0; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .hero__credentials {
    flex-wrap: wrap;
    gap: var(--space-lg);
    justify-content: center;
  }

  .hero__credential { min-width: 120px; }
  .case-row__metrics { flex-wrap: wrap; gap: var(--space-lg); }
  .sector-row__desc { display: none; }

  /* Footer responsive */
  .footer-cta__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-cta__text { text-align: center; }

  .footer-main__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }

  .footer-brand__desc {
    max-width: none;
    margin: 0 auto var(--space-lg);
  }

  .footer-col__list a:hover { padding-left: 0; }

  .footer-stats__inner {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }

  .footer-stats__divider { display: none; }

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

  .footer-bottom__legal { justify-content: center; }
  .cta-banner { padding: var(--space-2xl) var(--space-lg); }
}

/* --- Móvil (≤ 480px) --- */
@media (max-width: 480px) {

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

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }

  .hero { padding-top: calc(var(--nav-height) + var(--space-3xl)); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__credentials { gap: var(--space-md); }
  .hero__credential-value { font-size: var(--text-2xl); }

  .methodology { grid-template-columns: 1fr; }
  .btn { padding: 12px 20px; font-size: var(--text-xs); }
  .btn--lg { padding: 14px 28px; font-size: var(--text-sm); }
  .service-row__number { font-size: var(--text-2xl); }

  .mobile-menu__link { font-size: var(--text-xl); }
}