/* ==========================================================================
   RESPONSIVE.CSS
   Media queries: adaptación para tablet y móvil (mobile-first inverso,
   ya que el resto de archivos define primero el layout de escritorio).
   ========================================================================== */

/* --- Hero (definido aquí porque depende del layout general) --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(196, 30, 30, 0.1);
  border: 1px solid rgba(196, 30, 30, 0.3);
  color: var(--color-primary-light);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-sm);
}

.hero__eyebrow svg {
  width: 14px;
  height: 14px;
}

.hero h1 {
  margin-bottom: var(--space-sm);
}

.hero h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: var(--fs-md);
  max-width: 540px;
  margin-bottom: var(--space-md);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.hero__trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary-light);
}

.hero__scroll-cue {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  animation: scroll-cue-bounce 2s ease-in-out infinite;
}

@keyframes scroll-cue-bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ==========================================================================
   BREAKPOINTS
   ========================================================================== */

/* --- Tablets grandes / laptops pequeños --- */
@media (max-width: 1080px) {
  .clients-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .card-grid,
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* --- Tablets --- */
@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero p {
    margin-inline: auto;
  }

  .hero__actions,
  .hero__trust {
    justify-content: center;
  }

  .radar {
    max-width: 320px;
  }

  .split,
  .split--reverse .split__visual {
    grid-template-columns: 1fr;
    order: 0;
  }

  .split__visual {
    order: -1;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* --- Navegación móvil --- */
@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    inset-block: 0;
    inset-inline-end: 0;
    width: min(320px, 82vw);
    height: 100vh;
    background: var(--color-bg-alt);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: calc(var(--header-height) + var(--space-md)) var(--space-md) var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  .nav-menu.is-open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu__list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0;
  }

  .nav-menu__list > li {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 0.9rem 0.25rem;
  }

  .nav-item--dropdown .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    display: none;
    box-shadow: none;
    border: none;
    background: transparent;
    width: 100%;
    padding: 0 0 0.5rem 0.5rem;
  }

  .nav-item--dropdown.is-open .dropdown-menu {
    display: block;
  }

  .nav-item--dropdown.is-open .icon-chevron {
    transform: rotate(180deg);
  }

  .nav-menu__cta {
    margin-top: var(--space-md);
    width: 100%;
  }

  .nav-overlay.is-visible {
    opacity: 1;
    visibility: visible;
  }
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: calc(var(--z-mobile-menu) - 1);
}

/* --- Móvil --- */
@media (max-width: 640px) {
  .clients-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
  }

  .client-card__logo {
    height: 132px;
    padding: 12px;
  }

  .client-card__info {
    padding: 16px 12px;
  }

  :root {
    --header-height: 68px;
  }

  .card-grid,
  .stats-grid,
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

  .section {
    padding-block: var(--space-xl);
  }

  .whatsapp-float {
    width: 54px;
    height: 54px;
    right: var(--space-sm);
    bottom: var(--space-sm);
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }

  .back-to-top {
    right: var(--space-sm);
    bottom: 84px;
  }
}