/* ===== RESET Y BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #ffffff;
  overflow-x: hidden;
}

/* ===== VARIABLES CSS ===== */
:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #f59e0b;
  --accent-color: #10b981;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-dark: #111827;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

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

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

.section-header h2 {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BOTONES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* ===== HEADER Y NAVEGACIÓN ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.navbar {
  padding: 1rem 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  height: 2rem;
  width: auto;
}

.brand-text {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 0.25rem;
}

.mobile-menu-toggle span {
  width: 1.5rem;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--secondary-color);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 3vw, 1.25rem);
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary-color);
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.8;
}

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

.demo-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

/* ===== FEATURES SECTION ===== */
.features {
  padding: 5rem 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 4rem;
  height: 4rem;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 1.5rem;
}

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

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

/* ===== PRICING SECTION ===== */
.pricing {
  padding: 5rem 0;
}

.pricing-toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.toggle-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.discount-badge {
  background: var(--accent-color);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

.toggle-slider-container {
  position: relative;
  width: 3rem;
  height: 1.5rem;
}

.pricing-toggle {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: 0.3s;
  border-radius: 1rem;
}

.toggle-handle {
  position: absolute;
  content: "";
  height: 1.25rem;
  width: 1.25rem;
  left: 0.125rem;
  bottom: 0.125rem;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

.pricing-toggle:checked + .toggle-slider {
  background-color: var(--primary-color);
}

.pricing-toggle:checked + .toggle-slider .toggle-handle {
  transform: translateX(1.5rem);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  border: 2px solid transparent;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.currency {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.period {
  font-size: 1rem;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

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

.pricing-features li i {
  width: 1rem;
  text-align: center;
}

.pricing-features li i.fa-check {
  color: var(--accent-color);
}

.pricing-features li i.fa-times {
  color: var(--text-light);
}

.pricing-features li.disabled {
  color: var(--text-light);
}

/* ===== DEMO SECTION ===== */
.demo {
  padding: 5rem 0;
  background: var(--bg-secondary);
}

.demo-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.demo-video {
  display: flex;
  justify-content: center;
}

.video-placeholder {
  width: 100%;
  max-width: 500px;
  height: 300px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

.video-placeholder:hover {
  transform: scale(1.05);
}

.video-placeholder i {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.demo-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
}

/* ===== DOCS SECTION ===== */
.docs {
  padding: 5rem 0;
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.doc-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.doc-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.doc-card i {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.doc-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

/* ===== CONTACT SECTION ===== */
.contact {
  padding: 5rem 0;
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-item i {
  width: 3rem;
  height: 3rem;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.contact-item p {
  color: var(--text-secondary);
}

.contact-form {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: white;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.footer-brand .logo {
  height: 2rem;
  width: auto;
}

.footer-brand .brand-text {
  font-weight: 700;
  font-size: 1.25rem;
}

.footer-section p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--text-secondary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.social-links a:hover {
  background: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--text-secondary);
  color: var(--text-light);
}

/* ===== MEDIA QUERIES ===== */

/* Tablets y dispositivos medianos */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .demo-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section-header h2 {
    font-size: clamp(1.75rem, 5vw, 2.25rem);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-toggle-container {
    flex-direction: column;
    gap: 1rem;
  }

  .toggle-label {
    font-size: 0.875rem;
  }

  .toggle-slider-container {
    width: 2.5rem;
    height: 1.25rem;
  }

  .toggle-slider {
    border-radius: 0.75rem;
  }

  .toggle-handle {
    height: 1rem;
    width: 1rem;
    left: 0.125rem;
    bottom: 0.125rem;
  }

  .pricing-toggle:checked + .toggle-slider .toggle-handle {
    transform: translateX(1.25rem);
  }

  .savings-text {
    font-size: 0.75rem;
  }

  .price {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .annual-savings {
    text-align: center;
  }
}

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

  .hero {
    padding: 6rem 0 3rem;
  }

  .hero-title {
    font-size: clamp(1.75rem, 7vw, 2.5rem);
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .btn-large {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
  }

  .btn {
    padding: 0.625rem 1rem;
    font-size: 0.85rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .pricing-card {
    padding: 1.5rem;
  }

  .feature-card {
    padding: 1.5rem;
  }

  .contact-form {
    padding: 1.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }
}

/* Móviles muy pequeños */
@media (max-width: 360px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .btn {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
  }

  .btn-large {
    padding: 0.625rem 1rem;
    font-size: 0.85rem;
  }

  .pricing-card {
    padding: 1rem;
  }

  .feature-card {
    padding: 1rem;
  }
}

/* iPhone específico - Arreglar superposición de botones */
@media (max-width: 480px) and (max-height: 700px) {
  .hero {
    padding: 8rem 0 3rem;
  }

  .hero-content {
    gap: 1.5rem;
  }

  .hero-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    line-height: 1.4;
  }

  .hero-buttons {
    gap: 0.75rem;
  }

  .btn-large {
    padding: 0.625rem 1rem;
    font-size: 0.85rem;
  }

  .btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.8rem;
  }

  .hero-stats {
    margin-top: 1rem;
  }

  .stat {
    font-size: 0.8rem;
  }

  .stat-number {
    font-size: 1.1rem;
  }
}

/* iPhone en landscape - Ajustes adicionales */
@media (max-width: 700px) and (max-height: 500px) {
  .hero {
    padding: 6rem 0 2rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero-image {
    display: none;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.85rem;
  }
}

/* ===== ANIMACIONES ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-card,
.pricing-card,
.doc-card {
  animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(2) {
  animation-delay: 0.1s;
}

.feature-card:nth-child(3) {
  animation-delay: 0.2s;
}

.feature-card:nth-child(4) {
  animation-delay: 0.3s;
}

.feature-card:nth-child(5) {
  animation-delay: 0.4s;
}

.feature-card:nth-child(6) {
  animation-delay: 0.5s;
}

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

/* ===== MEJORAS DE RENDIMIENTO ===== */
html {
  scroll-behavior: smooth;
}

/* ===== ESTADOS DE CARGA ===== */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* ===== ESTADOS DE ERROR ===== */
.error {
  border-color: #ef4444 !important;
}

.error-message {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}