/* Experiencia Athens en pantallas táctiles. */
@media (max-width: 850px) {
  html { -webkit-text-size-adjust: 100%; }
  body { overflow-x: hidden; }

  input, select, textarea { font-size: 16px; min-height: 46px; }
  button, .primary-button, .outline-button { min-height: 44px; touch-action: manipulation; }

  .topbar { gap: 10px; }
  .mobile-menu-button { display: inline-grid; place-items: center; width: 44px; padding: 0; border: 1px solid var(--olive); border-radius: 50%; background: #fff; color: var(--olive); font-size: 22px; cursor: pointer; }
  .topbar nav { display: none; }
  .topbar.menu-open { height: auto; min-height: 71px; flex-wrap: wrap; align-items: center; }
  .topbar.menu-open nav { order: 4; display: grid; grid-template-columns: 1fr 1fr; width: 100%; gap: 7px; padding: 8px 0 6px; }
  .topbar.menu-open nav a { padding: 11px 9px; border: 1px solid var(--line); border-radius: 8px; text-align: center; font-size: 12px; background: #fff; }
  .topbar .outline-button { margin-left: auto; white-space: nowrap; }

  .hero { padding: 40px 22px 76px; gap: 25px; }
  .hero h1 { font-size: clamp(36px, 11vw, 48px); }
  .lead { font-size: 16px; margin: 18px 0 24px; }
  .actions { gap: 13px; flex-wrap: wrap; }
  .actions .primary-button { flex: 1 1 220px; text-align: center; }
  .trust { line-height: 1.9; }
  .section { padding: 50px 18px; }
  .section-heading { margin-bottom: 24px; }
  .section h2 { font-size: 32px; }
  .service-card { padding: 20px; }
  .booking { padding-inline: 0; }
  .booking > .section-heading, .booking-layout { margin-left: 18px; margin-right: 18px; }
  .booking-layout { gap: 18px; }
  .booking-access-gate, form { padding: 21px 16px; border-radius: 12px; }
  .step { gap: 10px; padding-bottom: 18px; margin-bottom: 18px; }
  .step > b { flex-basis: 26px; height: 26px; }
  .summary { padding: 21px; }
  .summary .estimate { font-size: 33px; }
  .calendar-card { overflow: hidden; }
  .calendar-head { gap: 8px; }
  .calendar-head h3 { font-size: 19px; text-align: center; }
  .calendar-days { gap: 4px; }
  .calendar-days button { min-height: 52px; padding: 4px 2px; font-size: 12px; }
  .coordination-note { align-items: flex-start; flex-wrap: wrap; padding: 17px; }
  .coordination-note a { width: 100%; text-align: center; margin-top: 5px; }
  .account { gap: 24px; }
  .reservation-preview { padding: 22px; }
  .legal { gap: 30px; }
  .legal details { padding-top: 6px; }
  .floating-whatsapp { bottom: max(15px, env(safe-area-inset-bottom)); right: 15px; z-index: 25; }
  footer { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
}

@media (max-width: 520px) {
  .topbar { padding: 6px 13px; }
  .brand img { width: 83px; height: 53px; }
  .topbar .outline-button { padding: 8px 9px; font-size: 11px; }
  .mobile-menu-button { width: 40px; height: 40px; font-size: 20px; }
  .topbar.menu-open nav { grid-template-columns: 1fr; }
  .hero { padding-inline: 18px; }
  .hero-visual { margin-top: 7px; }
  .section { padding-inline: 14px; }
  .booking > .section-heading, .booking-layout { margin-left: 14px; margin-right: 14px; }
  .service-grid { gap: 12px; }
  .service-card h3 { font-size: 20px; }
  .weekdays, .calendar-days { gap: 2px; }
  .weekdays span { font-size: 10px; }
  .calendar-days button { min-height: 46px; font-size: 11px; }
  .calendar-key { font-size: 11px; }
}

/* Cuenta privada del cliente. */
@media (max-width: 820px) {
  .account-page { padding: 36px 16px calc(90px + env(safe-area-inset-bottom)); }
  .account-welcome { padding-bottom: 25px; }
  .account-welcome h1 { font-size: 38px; }
  .account-welcome .primary-button { width: 100%; text-align: center; }
  .account-stats { gap: 10px; margin: 24px 0 34px; }
  .account-stats article { padding: 16px; }
  .account-content, .profile-section, .pet-form-section { gap: 22px; }
  .account-side { padding: 18px; }
  .booking-row { align-items: flex-start; flex-wrap: wrap; }
  .booking-price { display: block; width: 100%; text-align: left; padding-left: 53px; }
  .profile-section, .pet-form-section { margin-top: 38px; padding-top: 36px; }
  .profile-section h2, .pet-form-section h2, .section-title h2 { font-size: 27px; }
  .pet-choice { padding: 12px; }
  .legal-mini details { padding: 10px 0; }
}