/* ============================================
   CopilotHub - Responsive Stylesheet
   ============================================ */

@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.75rem; }
  .section,
  .hero,
  .features,
  .pricing,
  .comparison,
  .how-it-works,
  .testimonials,
  .faq { padding: 72px 0; }
  .hero { padding-top: 120px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { gap: 40px; }
  .hero-content h1 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .section,
  .hero,
  .features,
  .pricing,
  .comparison,
  .how-it-works,
  .testimonials,
  .faq { padding: 56px 0; }
  .hero { padding-top: 112px; }
  .section-title,
  .section-header h2 { font-size: 1.6rem; }
  .container { padding: 0 20px; }

  /* Navbar mobile */
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 20px;
    gap: 4px;
    align-items: flex-start;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links li a {
    display: block;
    width: 100%;
    padding: 10px 0;
  }

  .nav-links li a.active::after {
    display: none;
  }

  .nav-links.active { display: flex; }

  .nav-cta,
  a.nav-cta { display: none; }

  .nav-cta.active,
  a.nav-cta.active {
    display: inline-flex;
    position: absolute;
    top: calc(100% + 0px);
    left: 0;
    right: 0;
    background: var(--primary);
    padding: 0 20px 16px;
    border-bottom: 1px solid var(--border);
    justify-content: center;
    width: auto;
    margin: 0;
  }

  .hamburger,
  .mobile-toggle { display: inline-flex; }

  /* Hero */
  .hero-content h1 { font-size: 2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-buttons { flex-direction: column; align-items: stretch; width: 100%; max-width: 320px; margin: 0 auto; }
  .hero-buttons .btn { width: 100%; }

  /* Grids */
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; }
  .steps-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .security-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .use-cases-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }

  /* Page Hero */
  .page-hero { padding: 112px 0 48px; }
  .page-hero h1 { font-size: 2rem; }

  /* Footer */
  .footer-bottom { flex-direction: column; gap: 14px; text-align: center; }

  /* Table scroll */
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .comparison-table,
  .matrix-table,
  .discount-table {
    min-width: 500px;
  }

  /* Pricing card on mobile */
  .pricing-card { padding: 32px 24px; }
  .pricing-card.featured { padding-top: 48px; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.3rem; }
  .container { padding: 0 16px; }
  .section,
  .hero,
  .features,
  .pricing,
  .comparison,
  .how-it-works,
  .testimonials,
  .faq { padding: 44px 0; }
  .hero { padding-top: 100px; }
  .card,
  .feature-card { padding: 24px 20px; }
  .pricing-card { padding: 28px 20px; }
  .pricing-card.featured { padding-top: 44px; }
  .pricing-header .price { font-size: 2rem; }
  .hero-content h1 { font-size: 1.75rem; }
  .stat-grid { grid-template-columns: 1fr; }
  .btn-lg { padding: 12px 24px; font-size: 0.9rem; }
  .section-header { margin-bottom: 40px; }
  .step-card,
  .testimonial-card { padding: 24px 20px; }
  .activation-step { padding: 20px; gap: 16px; }
  .contact-info-card { padding: 20px; }
  .faq-question { padding: 16px 20px; font-size: 0.9rem; }
  .faq-answer p { padding: 0 20px 18px; }
}

/* --- Blog responsive --- */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured .blog-card-image {
    border-right: none;
    border-bottom: 1px solid var(--border);
    min-height: 200px;
    aspect-ratio: 16 / 9;
  }
  .blog-featured .blog-card-body { padding: 28px 24px; }
  .blog-featured h3 { font-size: 1.25rem; }
  .blog-post-header h1 { font-size: 1.85rem; }
  .blog-post-header .lead { font-size: 1rem; }
  .blog-content h2 { font-size: 1.3rem; }
  .blog-content h3 { font-size: 1.1rem; }
}

@media (max-width: 480px) {
  .blog-post { padding: 0 16px; }
  .blog-post-header h1 { font-size: 1.5rem; }
  .blog-content { font-size: 0.95rem; }
}