:root {
  --bg-main: #090a10;
  --bg-surface: #12131e;
  --bg-card: #181a2b;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --accent-indigo: #6366f1;
  --accent-fuchsia: #d946ef;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --border-color: #262942;
  --font-family: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Ocultar enlace de accesibilidad */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--accent-indigo);
  color: white;
  padding: 10px 20px;
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* Efecto gráfico ambiental */
.ambient-glow {
  position: fixed;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -10%;
  right: -10%;
  z-index: -1;
  pointer-events: none;
}

.ambient-glow-bottom {
  position: fixed;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(217, 70, 239, 0.08) 0%, transparent 70%);
  bottom: -15%;
  left: -15%;
  z-index: -1;
  pointer-events: none;
}

/* Header & Navegación */
header {
  background: rgba(18, 19, 30, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand img {
  width: 32px;
  height: 32px;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-indigo);
}

.nav-btn {
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-fuchsia));
  color: white;
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* Menú hamburguesa móvil */
.burger-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Secciones generales */
section {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  text-align: center;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

/* Hero Section */
.hero-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 6rem 2rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-content h1 span {
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-fuchsia));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

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

.hero-actions .btn-sec {
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  transition: var(--transition);
}

.hero-actions .btn-sec:hover {
  background: var(--bg-surface);
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-wrapper img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  background: var(--bg-surface);
  padding: 3rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.stat-num {
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-indigo);
  margin-bottom: 0.5rem;
}

/* Social Proof */
.social-proof-brands {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  opacity: 0.6;
  margin-bottom: 3rem;
}

.brand-icon {
  font-size: 1.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.testimonial-text {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.testimonial-author {
  font-weight: 600;
}

/* Features (Asymmetric) */
.features-asym {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.features-asym img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.features-list {
  list-style: none;
}

.features-list li {
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1rem;
}

.features-list i {
  color: var(--accent-fuchsia);
  margin-top: 0.25rem;
}

/* Services Page & Block */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 2rem;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-indigo);
}

.service-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 1.5rem;
}

.service-card i {
  font-size: 2rem;
  color: var(--accent-indigo);
  margin-bottom: 1rem;
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border-color: var(--accent-indigo);
  transform: scale(1.05);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-fuchsia));
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 1.5rem 0;
}

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

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  text-align: left;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.pricing-features i {
  color: var(--accent-indigo);
  margin-right: 0.5rem;
}

.pricing-card button {
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.pricing-card.popular button {
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-fuchsia));
  color: white;
}

.pricing-card button:hover {
  transform: translateY(-2px);
}

/* Form Section */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-surface);
  padding: 3rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-family);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-indigo);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.checkbox-group input {
  margin-top: 0.25rem;
}

.checkbox-group label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.checkbox-group a {
  color: var(--accent-indigo);
  text-decoration: none;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent-indigo), var(--accent-fuchsia));
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.submit-btn:hover {
  transform: translateY(-2px);
}

/* FAQ Accordion */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  padding: 0 1.5rem;
  color: var(--text-secondary);
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* Contact Page Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

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

.info-item {
  display: flex;
  gap: 1.5rem;
}

.info-item i {
  font-size: 1.5rem;
  color: var(--accent-indigo);
  margin-top: 0.25rem;
}

/* Trust Layer (Sello de Transparencia) */
.trust-layer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 2rem;
}

.trust-layer-content {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.trust-layer h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.trust-layer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

/* Footer */
footer {
  background: var(--bg-main);
  padding: 4rem 2rem 2rem 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 1rem;
  font-size: 0.9rem;
}

.footer-links h5 {
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-indigo);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 2rem;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cookie-content {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.cookie-content a {
  color: var(--accent-indigo);
  text-decoration: none;
}

.cookie-actions {
  display: flex;
  gap: 1rem;
}

.cookie-actions button {
  padding: 0.5rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
}

.btn-accept {
  background: var(--accent-indigo);
  color: white;
}

.btn-reject {
  background: transparent;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary);
}

/* Responsividad móvil */
@media (max-width: 1024px) {
  .hero-wrapper, .features-asym, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .services-grid, .pricing-grid, .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .pricing-card.popular {
    transform: none;
  }
}

@media (max-width: 768px) {
  .burger-btn {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 73px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 73px);
    background: var(--bg-surface);
    flex-direction: column;
    padding: 3rem;
    transition: var(--transition);
  }
  .nav-menu.active {
    left: 0;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .trust-layer-grid {
    grid-template-columns: 1fr;
  }
}