/* =====================================================
   RESPONSIVE DARK MODE (max-width: 768px)
   — Layout vertical, legible y fluido para móviles
===================================================== */
@media (max-width: 768px) {

  /* ===== GENERAL ===== */
  body {
    background: radial-gradient(circle at top, #120c22, #1c1434);
    color: #f1f1f1;
    font-size: 0.9rem;
    line-height: 1.5;
    overflow-x: hidden;
  }

  /* ===== HEADER ===== */
  .header {
    background: rgba(25, 10, 40, 0.95);
    backdrop-filter: blur(10px);
    padding: 8px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
  }

  .nav-links {
    flex-direction: row;
    justify-content: center;
    gap: 18px;
  }

  .nav-links a {
    font-size: 0.85rem;
    color: #d4af37;
    font-weight: 600;
  }

  /* ===== HERO ===== */
  .hero {
    height: 100vh;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
    padding-top: 30px;
  }

  .hero-content {
    width: 90%;
    margin: auto;
    background: rgba(20, 10, 35, 0.55);
    border-radius: 20px;
    padding: 18px;
  }

  .hero h1 {
    font-size: 2rem;
    margin-bottom: 10px;
  }

  .hero p {
    font-size: 0.95rem;
    margin-bottom: 15px;
  }

  .btn-primary {
    font-size: 0.9rem;
    padding: 10px 22px;
  }

  /* ===== SECCIONES ===== */
  .tours-section,
  .experiencias-section {
    padding: 60px 20px;
  }

  h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }

  .search-bar {
    width: 90%;
    padding: 10px 20px;
    font-size: 0.85rem;
    margin-bottom: 30px;
  }

  /* ===== GRID ===== */
  .tours-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
  }

  .tour-card {
    width: 92%;
    border-radius: 18px;
    font-size: 0.85rem;
  }

  .tour-card img {
    height: 200px;
  }

  .tour-card h3 {
    font-size: 0.95rem;
    margin: 12px 10px 5px;
  }

  .tour-card p {
    font-size: 0.85rem;
    padding: 0 12px 10px;
  }

  .btn-secondary {
    font-size: 0.85rem;
    padding: 8px 20px;
  }

  /* ===== BOTONES DE SECCIÓN ===== */
  .section-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 20px 0 35px;
  }

  .section-buttons .btn-secondary {
    background: #d4af37;
    color: #1b1230;
    padding: 9px 20px;
    border-radius: 25px;
    font-weight: 600;
  }

  .section-buttons .btn-secondary:hover {
    background: #fff;
    color: #2e144e;
    transform: scale(1.05);
  }

  /* ===== MODAL ===== */
  .modal-content {
    width: 90%;
    padding: 15px;
    font-size: 0.85rem;
  }

  .modal-body {
    display: flex;
    flex-direction: column;
    gap: 15px;
  }

  .modal-right {
    align-items: center;
    gap: 6px;
  }

  .modal-right .btn-secondary,
  .modal-right .volver-btn {
    width: 90%;
    max-width: 260px;
    margin: 0;
  }

  /* ===== FOOTER ===== */
  .footer {
    background: #0f071b;
    color: #ccc;
    padding: 40px 20px;
    font-size: 0.8rem;
    text-align: center;
  }

  /* ===== WHATSAPP ===== */
  .whatsapp-btn {
    bottom: 20px;
    right: 20px;
    font-size: 1.3rem;
    padding: 12px;
  }
}