/* ===================================
   *COMPRA EN COMERCIO
   =================================== */

/* Variables CSS específicas */
:root {
  --comercio-gradient: linear-gradient(135deg, #437C94 0%, #357a8f 100%);
  --comercio-light-bg: #f8fafc;
  --comercio-border: #e2e8f0;
  --comercio-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --comercio-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --comercio-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --comercio-step-bg: #ffffff;
  --comercio-step-border: #e5e7eb;
  --comercio-critical-bg: #fef2f2;
}

/* ===================================
   *LAYOUT BASE
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ===================================
   *HEADER SECTION
   =================================== */
.back-header {
  background: var(--white);
  border-bottom: 1px solid var(--comercio-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--comercio-transition);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

.back-button:hover {
  background: var(--comercio-light-bg);
  color: var(--primary-dark);
}

.back-button svg {
  transition: var(--comercio-transition);
}

.back-button:hover svg {
  transform: translateX(-2px);
}

/* ===================================
   *HERO SECTION
   =================================== */
.hero-comercio {
  background: var(--comercio-gradient);
  color: var(--white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.hero-comercio::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-comercio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
  z-index: 1;
}

.hero-comercio-content h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero-comercio-content p {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.btn-primary-comercio {
  background: var(--white);
  color: var(--primary);
  padding: 1rem 2rem;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--comercio-transition);
  box-shadow: var(--comercio-shadow);
}

.btn-primary-comercio:hover {
  transform: translateY(-2px);
  box-shadow: var(--comercio-shadow-lg);
  background: #f9fafb;
}

.hero-image-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-comercio-image {
  width: 200px;
  height: 200px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* ===================================
   *PURCHASE TYPE SWITCH
   =================================== */
.purchase-type-section {
  padding: 2rem 0 1rem 0;
  background: var(--comercio-light-bg);
  border-bottom: none;
}

.purchase-type-switch {
  display: flex;
  background: var(--white);
  border-radius: 0.75rem;
  padding: 0.25rem;
  width: fit-content;
  margin: 0 auto;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.purchase-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: none;
  border-radius: 0.5rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--comercio-transition);
  position: relative;
}

.purchase-tab.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--comercio-shadow);
}

.purchase-tab:hover:not(.active) {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.5);
}

.purchase-tab svg {
  width: 16px;
  height: 16px;
}

/* ===================================
   *STEPS SECTION
   =================================== */
.steps-comercio-section {
  padding: 2rem 0 4rem 0;
  background: var(--comercio-light-bg);
}

.steps-header {
  text-align: center;
  margin-bottom: 3rem;
}

.steps-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.steps-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.steps-container {
  max-width: 800px;
  margin: 0 auto;
}

.steps-content {
  display: none;
}

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

.step-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--comercio-step-bg);
  border: 1px solid var(--comercio-step-border);
  border-radius: 1rem;
  margin-bottom: 1rem;
  transition: var(--comercio-transition);
  position: relative;
}

.step-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--comercio-shadow);
}

.step-icon-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.step-number {
  background: var(--primary);
  color: var(--white);
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}



.step-icon {
  background: var(--comercio-light-bg);
  color: var(--primary);
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--comercio-border);
}



.step-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}


/* ===================================
   *SECTION TITLES
   =================================== */
.section-title-comercio {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 3rem;
}

/* ===================================
   *MODALIDADES SECTION
   =================================== */
.modalidades-comercio-section {
  padding: 4rem 0;
  background: var(--comercio-light-bg);
}

.modalidades-comercio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.modalidad-comercio-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--comercio-shadow);
  transition: var(--comercio-transition);
}

.modalidad-comercio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--comercio-shadow-lg);
}

.modalidad-comercio-icon {
  background: var(--comercio-gradient);
  color: var(--white);
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.modalidad-comercio-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.modalidad-comercio-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===================================
   *TIPOS DE COMPRA SECTION
   =================================== */
.tipos-compra-section {
  padding: 4rem 0;
  background: var(--white);
}

.tipos-compra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.tipo-compra-card {
  background: var(--white);
  border: 1px solid var(--comercio-border);
  border-radius: 1rem;
  padding: 2rem;
  transition: var(--comercio-transition);
}

.tipo-compra-card:hover {
  border-color: var(--primary);
  box-shadow: var(--comercio-shadow);
}

.tipo-compra-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.tipo-compra-icon {
  background: var(--comercio-gradient);
  color: var(--white);
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tipo-compra-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tipo-compra-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tipo-compra-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--comercio-border);
  color: var(--text-secondary);
  line-height: 1.5;
  position: relative;
  padding-left: 1.5rem;
}

.tipo-compra-features li:last-child {
  border-bottom: none;
}

.tipo-compra-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 600;
}

/* ===================================
   *BENEFICIOS SECTION
   =================================== */
.beneficios-comercio-section {
  padding: 4rem 0;
  background: var(--comercio-light-bg);
}

.beneficios-comercio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.beneficio-comercio-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--comercio-shadow);
  transition: var(--comercio-transition);
}

.beneficio-comercio-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--comercio-shadow-lg);
}

.beneficio-comercio-icon {
  background: var(--comercio-gradient);
  color: var(--white);
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.beneficio-comercio-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.beneficio-comercio-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ===================================
   *FAQ SECTION
   =================================== */
.faq-comercio-section {
  padding: 4rem 0;
  background: var(--white);
}

.faq-comercio-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-comercio-item {
  border: 1px solid var(--comercio-border);
  border-radius: 1rem;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--comercio-transition);
}

.faq-comercio-item:hover {
  border-color: var(--primary);
}

.faq-comercio-question {
  width: 100%;
  background: var(--white);
  border: none;
  padding: 1.5rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: var(--comercio-transition);
}

.faq-comercio-question:hover {
  background: var(--comercio-light-bg);
}

.faq-comercio-question h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.faq-comercio-chevron {
  flex-shrink: 0;
  color: var(--primary);
  transition: var(--comercio-transition);
}

.faq-comercio-answer {
  max-height: 0;
  overflow: hidden;
  background: var(--comercio-light-bg);
  padding: 0 1.5rem;
  transition: all 0.3s ease;
}

.faq-comercio-answer p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===================================
   *CTA FINAL SECTION
   =================================== */
.cta-final-comercio {
  padding: 4rem 0;
  background: var(--comercio-light-bg);
}

.cta-final-comercio-card {
  background: var(--comercio-gradient);
  color: var(--white);
  padding: 3rem;
  border-radius: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 600px;
  margin: 0 auto;
}

.cta-final-comercio-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.cta-final-comercio-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1.5rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.cta-final-comercio-card h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.cta-final-comercio-card p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.btn-cta-final-comercio {
  background: var(--white);
  color: var(--primary);
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: var(--comercio-transition);
  box-shadow: var(--comercio-shadow);
  position: relative;
  z-index: 1;
}

.btn-cta-final-comercio:hover {
  transform: translateY(-2px);
  box-shadow: var(--comercio-shadow-lg);
  background: #f9fafb;
}

/* ===================================
   *FOOTER SECTION
   =================================== */
.main-footer {
  background: var(--white);
  border-top: 1px solid var(--comercio-border);
  padding: 3rem 0 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo img {
  width: 150px;
  height: auto;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-links nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--comercio-transition);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-link,
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--comercio-transition);
}

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

.contact-link svg,
.contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ===================================
   *RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
  .hero-comercio-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-comercio-content h1 {
    font-size: 2.25rem;
  }

  .hero-comercio-content p {
    font-size: 1.125rem;
  }

  .hero-comercio-image {
    width: 150px;
    height: 150px;
  }

  .purchase-type-switch {
    width: 100%;
  }

  .purchase-tab {
    flex: 1;
    justify-content: center;
  }

  .steps-header h2 {
    font-size: 2rem;
  }

  .section-title-comercio {
    font-size: 1.875rem;
  }

  .step-item {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .step-icon-wrapper {
    flex-direction: row;
    justify-content: center;
  }

  .modalidades-comercio-grid,
  .tipos-compra-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .beneficios-comercio-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
  }

  .beneficio-comercio-card {
    text-align: center;
  }

  .beneficio-comercio-icon {
    margin: 0 auto 1rem;
  }

  .beneficio-comercio-card h3 {
    text-align: center;
  }

  .beneficio-comercio-card p {
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }

  .contact-info {
    align-items: center;
  }

  .cta-final-comercio-card {
    padding: 2rem;
    margin: 0 1rem;
  }

  .cta-final-comercio-card h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }

  .hero-comercio {
    padding: 2rem 0;
  }

  .hero-comercio-content h1 {
    font-size: 1.875rem;
  }

  .btn-primary-comercio,
  .btn-cta-final-comercio {
    padding: 0.875rem 1.5rem;
    font-size: 0.875rem;
  }

  .purchase-tab {
    padding: 0.625rem 1rem;
    font-size: 0.875rem;
  }

  .step-item {
    padding: 1rem;
  }

  .modalidad-comercio-card,
  .tipo-compra-card,
  .beneficio-comercio-card {
    padding: 1.25rem;
  }

  .faq-comercio-question {
    padding: 1rem;
  }

  .faq-comercio-answer {
    padding: 0 1rem;
  }
}


.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.back-button:focus,
.btn-primary-comercio:focus,
.purchase-tab:focus,
.faq-comercio-question:focus,
.btn-cta-final-comercio:focus,
.footer-link:focus,
.contact-link:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-contrast: high) {
  .step-item,
  .modalidad-comercio-card,
  .tipo-compra-card,
  .beneficio-comercio-card,
  .faq-comercio-item {
    border-width: 2px;
  }
}