@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap");

:root {
  --primary-color: #dc3545;
  --primary-dark: #8c3a3a;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #354fc0;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --border-radius: 0.5rem;
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
  --font-family: "Montserrat", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  line-height: 1.5;
  color: var(--gray-800);
  background-color: var(--gray-100);
  padding-bottom: 2rem;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ==================== HEADER ==================== */
.header {
  background-color: var(--white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.back-button {
  display: flex;
  align-items: center;
  background: none;
  border: none;
  color: var(--primary-color);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.back-button i {
  margin-right: 0.5rem;
}

.back-button:hover {
  color: var(--primary-dark);
}

/* ==================== INDICADOR DE PROGRESO ==================== */
.progress-container {
  background-color: var(--gray-200);
  border-radius: 1rem;
  height: 0.6rem;
  margin: 1.5rem 0;
  overflow: hidden;
  position: relative;
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
  height: 100%;
  border-radius: 1rem;
  position: relative;
  transition: width 0.6s ease;
  width: 33.33%;
}

.progress-text {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ==================== NAVEGACIÓN DE PASOS ==================== */
.steps-navigation {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin: 1rem 0;
  gap: 2rem;
  flex-direction: column;
}

.steps-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  opacity: 0.5;
  transition: var(--transition);
}

.step.active {
  opacity: 1;
}

.step.completed {
  opacity: 0.8;
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--gray-300);
  color: var(--gray-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.25rem;
  transition: var(--transition);
}

.step.active .step-number {
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: 0 0 0 4px rgba(220, 53, 69, 0.2);
}

.step.completed .step-number {
  background-color: var(--success-color);
  color: var(--white);
}

.step.completed .step-number::before {
  content: "✓";
  font-weight: bold;
}

.step-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-600);
  display: none;
}

.step.active .step-label {
  color: var(--primary-color);
  font-weight: 600;
}

.step.completed .step-label {
  color: var(--success-color);
}

.active-step-title {
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 0.5rem;
}

@media (min-width: 768px) {
  .steps-navigation {
    flex-direction: row;
    gap: 1.5rem;
  }

  .steps-container {
    gap: 2rem;
  }

  .step-label {
    display: block;
  }

  .active-step-title {
    display: none;
  }
}

/* ==================== CONTENIDO DE PASOS ==================== */
.form-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 0.75rem;
}

@media (min-width: 768px) {
  .form-container {
    padding: 0 1rem;
  }
}

.step-content {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.step-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-title {
  color: var(--gray-800);
  font-size: 1.4rem;
  margin-bottom: 0.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.step-title i {
  color: var(--primary-color);
  font-size: 1.2rem;
}

.step-description {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

/* ==================== CARD ==================== */
.card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .card {
    padding: 1.5rem;
  }
}

/* ==================== FORMULARIO ==================== */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

@media (min-width: 576px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--gray-700);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: var(--transition);
  background-color: var(--white);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.input-icon {
  position: relative;
}

.input-icon i {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
  z-index: 1;
}

.input-icon input {
  padding-left: 2.5rem;
}

.helper-text {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
}

.error-message {
  color: var(--danger-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
  font-weight: 500;
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
  pointer-events: none;
}

/* ==================== SECCIONES DE PAGO PASO 2 ==================== */
.payment-section {
  margin-bottom: 1rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.section-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-800);
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-800);
  margin: 0;
}

.section-badge {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: auto;
}

@media (max-width: 576px) {
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .section-badge {
    margin-left: 0;
    align-self: flex-start;
  }
}

/* ==================== TARJETAS DE MÉTODO DE PAGO ==================== */
.payment-method-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.payment-card {
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius);
  padding: 1rem;
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  background-color: var(--white);
}

.payment-card:hover {
  border-color: var(--info-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.payment-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.payment-card .card-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.payment-card i {
  font-size: 1.5rem;
  color: var(--info-color);
  transition: var(--transition);
}

.payment-card .text .title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--gray-800);
  margin-bottom: 0.15rem;
  display: block;
}

.payment-card .text .desc {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.payment-card.selected {
  border-color: var(--primary-color);
  background-color: rgba(23, 162, 184, 0.05);
  box-shadow: 0 0 0 3px rgba(23, 162, 184, 0.1);
}

.transfer-card i {
  color: var(--primary-color);
}

@media (min-width: 768px) {
  .payment-method-options {
    flex-direction: row;
    gap: 1rem;
  }

  .payment-card {
    flex: 1;
  }
}

/* ==================== OPCIONES DE PAGO ==================== */
.payment-options-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.payment-option {
  border: 2px dashed var(--gray-300);
  border-radius: var(--border-radius);
  padding: 1rem;
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  background-color: var(--white);
}

.payment-option:hover {
  border-color: var(--primary-color);
  background-color: rgba(220, 53, 69, 0.05);
}

.payment-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.payment-option label {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  cursor: pointer;
  margin-bottom: 0;
}

.payment-option .radio-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  transition: var(--transition);
}

.payment-option input[type="radio"]:checked + label .radio-icon:after {
  content: "";
  width: 12px;
  height: 12px;
  background-color: var(--primary-color);
  border-radius: 50%;
  position: absolute;
  animation: radioCheck 0.3s ease-in-out;
}

@keyframes radioCheck {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}

.payment-option .option-content {
  display: flex;
  flex-direction: column;
}

.payment-option .option-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--gray-800);
  margin-bottom: 0.25rem;
}

.payment-option .option-description {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.payment-option.selected {
  border-color: var(--primary-color);
  background-color: rgba(220, 53, 69, 0.05);
  border-style: solid;
}

.payment-option.selected .option-title {
  color: var(--primary-color);
}

@media (min-width: 768px) {
  .payment-options-grid {
    flex-direction: row;
    gap: 1rem;
  }

  .payment-option {
    flex: 1;
  }
}

/* ==================== SELECTOR DE CUOTAS ==================== */
.installments-container {
  margin-top: 1.5rem;
  padding: 1rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-300);
}

.installments-container label {
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.75rem;
}

/* ==================== CUPONES ==================== */
.coupon-section {
  margin-bottom: 1rem;
  padding: 1rem;
  background-color: var(--gray-50);
  border-radius: var(--border-radius);
}

.coupon-trigger {
  margin-bottom: 1rem;
}

.link-button {
  background: none;
  border: none;
  color: var(--dark-color);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.link-button:hover {
  color: var(--primary-dark);
}

.coupon-container {
  margin-top: 1rem;
}

.coupon-input {
  display: flex;
  margin-top: 0.5rem;
  gap: 0;
}

.coupon-input input {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
  flex: 1;
}

.coupon-input button {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  padding: 0 1.5rem;
  white-space: nowrap;
}

.coupon-message {
  display: none;
  align-items: center;
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
}

.success-message {
  background-color: rgba(40, 167, 69, 0.1);
  color: var(--success-color);
  border: 1px solid rgba(40, 167, 69, 0.3);
}

.error-message {
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--danger-color);
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.coupon-message i {
  margin-right: 0.5rem;
}

/* ==================== MEDIOS DE PAGO ==================== */
.payment-methods-info {
  text-align: center;
  margin-top: 1.5rem;
  padding: 1rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
}

.payment-methods-title {
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1rem;
  color: var(--gray-800);
}

.payment-icons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.icon-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.75rem;
  color: var(--gray-700);
  width: 64px;
  transition: var(--transition);
}

.icon-box:hover {
  transform: translateY(-2px);
}

.icon-box i {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.icon-box img {
  height: 32px;
  object-fit: contain;
  margin-bottom: 0.5rem;
  filter: grayscale(0.1) contrast(1.1);
}

/* ==================== RESUMEN PASO 3 ==================== */
.summary-section {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background-color: var(--gray-50);
  border-radius: var(--border-radius);
}

.summary-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.summary-title i {
  color: var(--info-color);
}

.summary-content {
  background-color: var(--white);
  padding: 1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
}

.summary-content p {
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.summary-content p:last-child {
  margin-bottom: 0;
}

.payment-summary {
  background-color: var(--white);
  padding: 1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
  margin-bottom: 1rem;
}

/* ==================== INFORMACIÓN DEL CURSO ==================== */
.course-info {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  padding: 1rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  border: 1px solid var(--gray-200);
}

.course-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-right: 1rem;
}

.course-details {
  flex: 1;
}

.course-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--gray-800);
}

.course-duration {
  display: block;
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 0.5rem;
}

.course-duration i {
  margin-right: 0.5rem;
  color: var(--info-color);
}

/* ==================== DETALLES DE PRECIO ==================== */
.price-details {
  margin-bottom: 1.5rem;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-200);
}

.price {
  font-weight: 600;
  color: var(--gray-800);
}

.discount-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-200);
  color: var(--success-color);
  font-weight: 500;
}

.discount-row i {
  margin-right: 0.5rem;
}

.discount {
  color: var(--success-color);
  font-weight: 600;
}

.total-container {
  margin: 1rem 0;
}

.total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.total-price {
  font-weight: 700;
  font-size: 1.5rem;
}

/* ==================== INFO BOX ==================== */
.info-box {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding: 0.75rem;
  background: linear-gradient(135deg, rgba(23, 162, 184, 0.1), rgba(23, 162, 184, 0.05));
  border-radius: var(--border-radius);
}

.info-box i {
  color: var(--info-color);
  margin-right: 0.5rem;
  margin-top: 0.1rem;
  font-size: 1.1rem;
}

.info-box p {
  font-size: 0.8rem;
  color: var(--gray-700);
  font-weight: 500;
  margin: 0;
}

/* ==================== BOTONES ==================== */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  min-height: 44px;
}

.button i {
  margin-left: 0.5rem;
}

.button:first-child i {
  margin-left: 0;
  margin-right: 0.5rem;
}

.button-primary {
  background-color: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.button-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.button-secondary {
  background-color: var(--secondary-color);
  color: var(--white);
  border-color: var(--secondary-color);
}

.button-secondary:hover {
  background-color: #5a6268;
  border-color: #5a6268;
}

.button-outline {
  background-color: transparent;
  color: var(--gray-700);
  border-color: var(--gray-400);
}

.button-outline:hover {
  background-color: var(--gray-100);
  border-color: var(--gray-500);
  color: var(--gray-800);
}

.button-large {
  padding: 1.25rem 2rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ==================== ACCIONES DE PASO ==================== */
.step-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  gap: 1rem;
  padding: 1rem 0.5rem 0;
  border-top: 1px solid var(--gray-200);
  position: sticky;
  bottom: 0;
  background-color: var(--white);
  z-index: 10;
}

@media (min-width: 768px) {
  .step-actions {
    padding: 1rem 0 0;
  }
}

.step-actions .button {
  flex: 0 0 auto;
  max-width: none;
  white-space: nowrap;
  min-width: fit-content;
}

.step-actions .button:only-child {
  margin-left: auto;
}

@media (max-width: 576px) {
  .step-actions {
    flex-direction: column;
  }

  .step-actions .button {
    width: 100%;
    max-width: none;
  }
}

/* ==================== LOADER ==================== */
.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

.loader-content {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  animation: modalSlideIn 0.3s ease-out;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loader-text {
  color: var(--gray-800);
  font-weight: 600;
  font-size: 1.1rem;
}

/* ==================== BOTONES FLOTANTES ==================== */
.whatsapp-button {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 3.5rem;
  height: 3.5rem;
  background-color: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--box-shadow);
  z-index: 99;
  transition: var(--transition);
  text-decoration: none;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  color: var(--white);
}

.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  width: 3rem;
  height: 3rem;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--box-shadow);
  cursor: pointer;
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: scale(1.1);
}

/* ==================== VALIDACIÓN DE FORMULARIO ==================== */
input.error,
select.error {
  border-color: var(--danger-color);
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* ==================== MODAL ==================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-content h3 {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.modal-content h4 {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--gray-800);
}

.bank-details {
  background-color: var(--gray-100);
  padding: 1.25rem;
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--gray-200);
}

.instructions-list {
  padding-left: 1.25rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.error-message-modal {
  color: var(--danger-color);
  padding: 1rem;
  background-color: rgba(220, 53, 69, 0.1);
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.contact-info {
  margin-top: 1rem;
}

.close-button {
  margin-top: 1.5rem;
  width: 100%;
}

/* ==================== UTILIDADES ==================== */
.d-none {
  display: none !important;
}

.slide-down {
  animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .card {
    padding: 1rem;
  }

  .step-title {
    font-size: 1.25rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .payment-method-options {
    flex-direction: column;
  }

  .payment-options-grid {
    flex-direction: column;
  }

  .course-info {
    flex-direction: column;
    text-align: center;
  }

  .course-icon {
    margin-right: 0;
    margin-bottom: 1rem;
  }
}

@media (max-width: 480px) {
  .container-fluid {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .form-container {
    padding: 0 0.5rem;
  }

  .card {
    padding: 1rem;
    margin-bottom: 0.75rem;
  }

  .step-title {
    font-size: 1.1rem;
    text-align: center;
    gap: 0.5rem;
  }

  .progress-container {
    margin: 1rem 0;
  }

  .payment-method-options {
    gap: 0.75rem;
  }

  .payment-card {
    padding: 0.75rem;
  }

  .payment-option {
    padding: 0.75rem;
  }
}

/* ==================== ACCESIBILIDAD ==================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible para navegación por teclado */
.button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Mejoras de contraste para texto */
.helper-text {
  color: var(--gray-700);
}

.step-description {
  color: var(--gray-700);
}

/* Estados de hover más accesibles */
@media (hover: hover) {
  .payment-card:hover,
  .payment-option:hover {
    outline: 2px solid transparent;
  }
}