/* ==========================================================================
   Responsive overrides
   ========================================================================== */

/* ---------- Animaciones reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.08s; }
.reveal--delay-2 { transition-delay: 0.16s; }
.reveal--delay-3 { transition-delay: 0.24s; }
.reveal--delay-4 { transition-delay: 0.32s; }
.reveal--delay-5 { transition-delay: 0.40s; }

/* ---------- Tablet (≤ 1024px) ---------- */
@media (max-width: 1024px) {
  :root {
    --space-24: 5rem;
    --space-20: 4rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }

  .hero-text {
    max-width: 720px;
    margin-inline: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-trust {
    justify-content: center;
  }

  .hero-mockup {
    max-width: 720px;
    margin-inline: auto;
    transform: perspective(1500px) rotateY(0) rotateX(0);
  }

  .hero-mockup:hover {
    transform: perspective(1500px) rotateY(0) rotateX(0) translateY(-4px);
  }

  .differentiators-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-10);
  }

  .module-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-8);
  }

  .module-visual {
    aspect-ratio: 16/9;
    order: -1;
  }

  .ai-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .platform-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .platform-visual {
    order: -1;
  }

  .platform-mockup {
    max-width: min(300px, 78vw);
  }

  .phone-frame {
    border-radius: 36px;
    padding: 8px 8px 10px;
  }

  .phone-frame-screen {
    border-radius: 28px;
  }

  .phone-frame-island {
    width: 56px;
    height: 16px;
    top: 14px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 460px;
    margin-inline: auto;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: none;
  }
}

/* ---------- Mobile (≤ 768px) ---------- */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  /* Header / nav mobile */
  .nav-links,
  .nav-actions .btn:not(.nav-cta-mobile) {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    gap: var(--space-3);
  }

  .nav-actions {
    gap: var(--space-2);
    flex-shrink: 0;
  }

  .nav-actions .nav-cta-mobile.btn--sm {
    padding-inline: var(--space-3);
    white-space: nowrap;
  }

  .nav-mobile {
    display: block;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6) var(--container-padding);
    transform: translateY(-110%);
    transition: transform var(--duration-base) var(--ease-out);
    visibility: hidden;
    pointer-events: none;
  }

  .nav-mobile.is-open {
    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;
  }

  .nav-mobile-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: 0;
  }

  .nav-mobile-links a {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-weight: var(--weight-medium);
    color: var(--color-text-strong);
    font-size: var(--text-base);
  }

  .nav-mobile-links a:hover {
    background: var(--color-bg-muted);
  }

  /* Sections */
  .section {
    padding-block: var(--space-16);
  }

  .section-header {
    margin-bottom: var(--space-10);
  }

  .differentiators {
    padding-block: var(--space-12);
  }

  .differentiators-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }

  .platform-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .platform-cta .btn {
    width: 100%;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .modules-tabs {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    border-radius: var(--radius-lg);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .modules-tabs::-webkit-scrollbar {
    display: none;
  }

  .module-tab {
    flex-shrink: 0;
  }

  .ai-stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    text-align: center;
  }

  .form-inline {
    flex-direction: column;
  }

  .footer {
    padding-block: var(--space-16) var(--space-6);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .footer-legal-links {
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  /* Hero */
  .hero {
    padding-top: calc(var(--nav-height) + var(--space-12));
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  /* Comparison table */
  .comparison-table th,
  .comparison-table td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
  }
}

/* ---------- Small mobile (≤ 480px) ---------- */
@media (max-width: 480px) {
  .differentiators-grid {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin-inline: auto;
  }

}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-mockup,
  .hero-mockup:hover {
    transform: none;
  }
}