/* =====================================================
   RESPONSIVE
   NutriGuia Pro — Landing Page
   ===================================================== */

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-metrics  { justify-content: center; }
  .hero-ctas     { justify-content: center; }
  .hero-visual   { min-height: 350px; }
  .book-showcase { height: 350px; }
  .book-card     { width: 160px; }
  .book-card-2   { width: 180px; }

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

  .book-showcase-4 .book-card { width: 130px; }
  .book-showcase-4 .book-card-2 { width: 150px; }

  .product-card.featured       { transform: scale(1); }
  .product-card.featured:hover { transform: translateY(-8px); }

  .combo-grid    { grid-template-columns: 1fr; }
  .combo-visual  { padding: 40px 24px; }
  .combo-info    { padding: 40px 32px; }

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

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-content .section-label { justify-content: center; }
  .about-content .section-title { text-align: center; }
}

/* ── Mobile landscape (≤ 768px) ── */
@media (max-width: 768px) {
  .nav-links  { display: none; }
  .hamburger  { display: flex; }

  .hero {
    padding: 40px 0 30px;
    min-height: auto;
  }

  .hero-headline       { font-size: 1.9rem; }
  .hero-metrics        { gap: 20px; flex-wrap: wrap; }
  .hero-metric .number { font-size: 1.4rem; }

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

  .products-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }

  .combo-books-4 .combo-book { width: 100px; }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .transformations-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .about-image { 
    max-width: 480px; 
    margin: 0 auto; 
  }

  .trust-items     { gap: 24px; }
  .combo-book      { width: 120px; }
  .guarantee-card  { padding: 36px 24px; }

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

  .announcement-bar { font-size: 0.78rem; }
}

/* ── Mobile portrait (≤ 480px) ── */
@media (max-width: 480px) {
  .hero-grid     { gap: 32px; }
  .hero-headline { font-size: 1.6rem; }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary { justify-content: center; }

  .hero-visual   { min-height: 280px; }
  .book-showcase { height: 280px; }
  .book-card     { width: 120px; }
  .book-card-2   { width: 140px; }

  .book-showcase-4 .book-card { width: 100px; }
  .book-showcase-4 .book-card-2 { width: 115px; }

  .combo-books-4 .combo-book { width: 80px; }
  .book-tag      { font-size: 0.5rem; padding: 2px 6px; }
  .book-title    { font-size: 0.75rem; }

  .problems-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }

  .countdown      { gap: 8px; }
  .countdown-item { min-width: 65px; padding: 12px 14px; }
  .countdown-number { font-size: 1.5rem; }

  .trust-items {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .combo-book   { width: 100px; }
  .combo-info   { padding: 32px 20px; }
  .section-title { font-size: 1.5rem; }

  .final-trust {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
}