/* Responsive styles */

/* Enhanced mobile-first approach */

/* Base styles for all devices */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-2);
}

/* Extra small devices (portrait phones, less than 375px) */
@media (max-width: 374px) {
  .container {
    padding: 0 var(--spacing-1);
  }
  
  nav {
    padding: var(--spacing-1) 0;
    gap: var(--spacing-1);
  }
  
  nav a {
    padding: var(--spacing-1);
    font-size: var(--font-xs);
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .page-title {
    font-size: var(--font-lg);
    line-height: 1.2;
    margin-bottom: var(--spacing-2);
  }
  
  .selection-container {
    gap: var(--spacing-1);
    margin: var(--spacing-2) 0;
  }
  
  .selection-option {
    padding: var(--spacing-1);
    min-height: 80px;
  }
  
  .btn {
    padding: 0.5rem;
    font-size: var(--font-xs);
    min-height: 40px;
  }
  
  .card {
    padding: var(--spacing-1);
    margin-bottom: var(--spacing-1);
  }
  
  .modal-content {
    width: 95%;
    margin: 10% auto;
    padding: var(--spacing-1);
  }
}

/* Small devices (landscape phones, 576px and up) */
@media (max-width: 575.98px) {
  .container {
    padding: 0 var(--spacing-1);
  }
  
  nav {
    flex-direction: column;
    padding: 0;
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--primary-color);
    box-shadow: var(--shadow);
  }
  
  nav a {
    width: 100%;
    text-align: center;
    padding: var(--spacing-2);
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .page-title {
    font-size: var(--font-2xl);
    line-height: 1.2;
    margin-bottom: var(--spacing-2);
    padding: 0 var(--spacing-1);
  }
  
  .selection-option {
    flex: 1 1 100%;
    max-width: 100%;
    margin-bottom: var(--spacing-2);
  }
  
  .btn {
    width: 100%;
    margin-bottom: var(--spacing-2);
    min-height: 48px;
    font-size: var(--font-md);
  }
  
  .expiry-cvv-container {
    flex-direction: column;
    gap: var(--spacing-2);
  }
  
  .expiry-container, .cvv-container {
    flex: none;
  }
  
  .modal-content {
    width: 95%;
    margin: 10% auto;
    padding: var(--spacing-2);
    max-height: 80vh;
    overflow-y: auto;
  }
  
  .form-group {
    margin-bottom: var(--spacing-2);
  }
  
  input, select, textarea {
    font-size: 16px; /* Prevents zoom on iOS */
    padding: 0.75rem 0.5rem;
  }
  
  .card-title {
    font-size: var(--font-lg);
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2);
  }
  
  .info-section {
    margin-top: var(--spacing-3);
    padding: var(--spacing-2);
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
  .container {
    padding: 0 var(--spacing-2);
  }
  
  nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  nav a {
    flex: 0 1 auto;
    min-width: 120px;
    text-align: center;
    padding: var(--spacing-1) var(--spacing-2);
  }
  
  .selection-option {
    flex: 1 1 calc(50% - var(--spacing-2));
    max-width: calc(50% - var(--spacing-2));
  }
  
  .modal-content {
    width: 85%;
    margin: 15% auto;
    max-height: 70vh;
    overflow-y: auto;
  }
  
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .page-title {
    font-size: var(--font-2xl);
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 768px) and (max-width: 991.98px) {
  .container {
    padding: 0 var(--spacing-3);
  }
  
  nav a {
    padding: var(--spacing-1) var(--spacing-2);
    min-width: 140px;
  }
  
  .selection-option {
    flex: 1 1 calc(50% - var(--spacing-2));
    max-width: calc(50% - var(--spacing-2));
  }
  
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .modal-content {
    width: 70%;
    margin: 10% auto;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 992px) {
  .container {
    padding: 0 var(--spacing-4);
  }
  
  .header-content {
    flex-direction: row;
    justify-content: space-between;
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }
  
  .header-logo {
    margin-bottom: 0;
    max-width: 280px;
  }
  
  nav {
    justify-content: center;
    gap: var(--spacing-3);
  }
  
  nav a {
    min-width: 160px;
    padding: var(--spacing-2) var(--spacing-3);
  }
  
  .selection-container {
    justify-content: center;
    gap: var(--spacing-4);
  }
  
  .selection-option {
    flex: 0 1 400px;
    max-width: 400px;
  }
  
  .modal-content {
    width: 60%;
    max-width: 600px;
    margin: 8% auto;
  }
}

/* Print styles */
@media print {
  nav, 
  footer,
  .btn,
  form input[type="submit"],
  .no-print {
    display: none !important;
  }
  
  body {
    background-color: white;
    color: black;
    font-size: 12pt;
  }
  
  .container {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
  }
  
  header {
    position: static;
    box-shadow: none;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  h1 {
    font-size: 18pt;
  }
  
  h2 {
    font-size: 16pt;
  }
  
  a:after {
    content: " (" attr(href) ")";
  }
}

@media (max-width: 767.98px) {
  .menu-toggle {
    display: block;
    position: relative;
    z-index: 1001;
  }

  .nav {
    display: none;
    flex-direction: column;
    width: 100%;
    background-color: var(--primary-color);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    max-height: calc(100vh - 85px);
    overflow-y: auto;
  }

  .nav.show {
    display: flex;
  }

  .nav a {
    text-align: center;
    padding: var(--spacing-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
  }
  
  .nav a:hover {
    background-color: var(--primary-light);
  }

  .header-logo {
    max-width: min(180px, 50vw);
    max-height: 50px;
  }
}

/* Escritorio: nav visible siempre y en línea */
@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
  
  .nav {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-3);
    position: static;
    background: none;
    box-shadow: none;
  }
}

/* Landscape orientation adjustments */
@media (max-height: 500px) and (orientation: landscape) {
  .header-content {
    padding: var(--spacing-1);
  }
  
  .header-logo {
    max-height: 40px;
  }
  
  .nav {
    max-height: calc(100vh - 60px);
  }
  
  .modal-content {
    margin: 5% auto;
    max-height: 90vh;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .selection-option {
    border: 2px solid var(--text-dark);
  }
  
  .btn {
    border: 2px solid currentColor;
  }
  
  input, select, textarea {
    border: 2px solid var(--text-dark);
  }
}

/* Focus improvements for keyboard navigation */
@media (prefers-reduced-motion: no-preference) {
  .nav a:focus,
  .btn:focus,
  input:focus,
  select:focus,
  textarea:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
  }
}