/* Variables de color */
:root {
  --color-primario: #1e293b;
  --color-secundario: #f8fafc;
  --color-texto: #334155;
  --color-acento: #3b82f6;
  --color-verde: #10b981;
  --color-blanco: #ffffff;
  --color-gris-claro: #e2e8f0;
  --color-gris: #64748b;
  --color-footer: #0f172a;
  --color-borde: #cbd5e1;
}

/* Reset y configuración base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--color-blanco);
  color: var(--color-texto);
  line-height: 1.6;
  font-size: 1rem;
  font-weight: 400;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navegación */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gris-claro);
  z-index: 1000;
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo h2 {
  color: var(--color-primario);
  font-weight: 700;
  font-size: 1.5rem;
}

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

.nav-menu a {
  color: var(--color-texto);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  font-size: 0.95rem;
}

.nav-menu a:hover {
  color: var(--color-acento);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primario) 0%, var(--color-acento) 100%);
  color: var(--color-blanco);
  padding: 140px 20px 100px 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::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="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.95;
  font-weight: 400;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  display: inline-block;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-verde);
  color: var(--color-blanco);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

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

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

/* Sección de credenciales */
.credenciales {
  background: var(--color-blanco);
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-gris-claro);
}

.credenciales-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.credencial h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-acento);
  margin-bottom: 0.5rem;
}

.credencial p {
  color: var(--color-gris);
  font-weight: 500;
}

/* Secciones generales */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primario);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-gris);
  max-width: 600px;
  margin: 0 auto;
}

/* Servicios */
.servicios {
  padding: 5rem 0;
  background: var(--color-secundario);
}

.servicios-lista {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.servicio {
  background: var(--color-blanco);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gris-claro);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.servicio::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-acento), var(--color-verde));
}

.servicio:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.servicio-icon {
  margin-bottom: 1.5rem;
}

.servicio-icon .icono {
  font-size: 3rem;
  display: block;
}

.servicio h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primario);
  margin-bottom: 1rem;
}

.servicio p {
  color: var(--color-gris);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

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

.servicio-features li {
  padding: 0.5rem 0;
  color: var(--color-texto);
  position: relative;
  padding-left: 1.5rem;
}

.servicio-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-verde);
  font-weight: bold;
}

/* Casos de éxito */
.casos {
  padding: 5rem 0;
  background: var(--color-blanco);
}

.casos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.caso {
  background: var(--color-secundario);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--color-gris-claro);
  transition: all 0.3s ease;
}

.caso:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.caso-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.caso-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primario);
}

.caso-categoria {
  background: var(--color-acento);
  color: var(--color-blanco);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.caso p {
  color: var(--color-gris);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.caso-metricas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.metrica {
  text-align: center;
  padding: 1rem;
  background: var(--color-blanco);
  border-radius: 8px;
  border: 1px solid var(--color-gris-claro);
}

.metrica strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-acento);
  margin-bottom: 0.25rem;
}

.metrica span {
  font-size: 0.875rem;
  color: var(--color-gris);
}

/* Testimonios */
.testimonios {
  padding: 5rem 0;
  background: var(--color-secundario);
}

.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 2rem;
}

.testimonio {
  background: var(--color-blanco);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-gris-claro);
}

.testimonio-rating {
  color: #fbbf24;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.testimonio p {
  color: var(--color-texto);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.testimonio-autor {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonio-avatar {
  width: 50px;
  height: 50px;
  background: var(--color-acento);
  color: var(--color-blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.125rem;
}

.testimonio-info h4 {
  font-weight: 600;
  color: var(--color-primario);
  margin-bottom: 0.25rem;
}

.testimonio-info span {
  font-size: 0.875rem;
  color: var(--color-gris);
}

/* Contacto */
.contacto {
  padding: 5rem 0;
  background: var(--color-blanco);
}

.contacto-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.contacto-info-card {
  background: var(--color-secundario);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--color-gris-claro);
}

.contacto-info-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primario);
  margin-bottom: 1.5rem;
}

.contacto-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contacto-icon {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  background: var(--color-acento);
  color: var(--color-blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contacto-item strong {
  display: block;
  font-weight: 600;
  color: var(--color-primario);
  margin-bottom: 0.25rem;
}

.contacto-item p {
  color: var(--color-gris);
  font-size: 0.95rem;
}

.contacto-form {
  background: var(--color-secundario);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--color-gris-claro);
}

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

.contacto-form input,
.contacto-form textarea,
.contacto-form select {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--color-borde);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-blanco);
  transition: border-color 0.2s;
}

.contacto-form input:focus,
.contacto-form textarea:focus,
.contacto-form select:focus {
  outline: none;
  border-color: var(--color-acento);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contacto-form textarea {
  min-height: 120px;
  resize: vertical;
  margin-bottom: 1rem;
}

.contacto-form button {
  width: 100%;
  background: var(--color-acento);
  color: var(--color-blanco);
  border: none;
  padding: 1rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.contacto-form button:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Footer */
footer {
  background: var(--color-footer);
  color: var(--color-blanco);
  padding: 3rem 0 1rem 0;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-blanco);
}

.footer-brand p {
  color: #94a3b8;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.footer-redes {
  display: flex;
  gap: 1rem;
}

.footer-redes a {
  color: #94a3b8;
  transition: color 0.2s;
}

.footer-redes a:hover {
  color: var(--color-acento);
}

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

.footer-section h4 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-blanco);
}

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

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

.footer-section a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-section a:hover {
  color: var(--color-acento);
}

.footer-copy {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #334155;
  color: #94a3b8;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .credenciales-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .servicios-lista {
    grid-template-columns: 1fr;
  }
  
  .casos-grid,
  .testimonios-grid {
    grid-template-columns: 1fr;
  }
  
  .contacto-content {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .credenciales-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
}