/* Reset y variables CSS */
:root {
  /* Colores principales del logo */
  --primary-red: #ff4757; /* Rojo vibrante */
  --primary-cyan: #00d2d3; /* Azul turquesa/cian */
  --primary-purple: #6c5ce7; /* Morado/púrpura */
  --primary-orange: #ff7675; /* Naranja vibrante */
  --primary-yellow: #fdcb6e; /* Amarillo/dorado */
  
  /* Gradientes del logo */
  --gradient-main: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-purple) 35%, var(--primary-red) 70%, var(--primary-orange) 85%, var(--primary-yellow) 100%);
  --gradient-cool: linear-gradient(135deg, var(--primary-cyan) 0%, var(--primary-purple) 100%);
  --gradient-warm: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-red) 50%, var(--primary-yellow) 100%);
  --gradient-tech: linear-gradient(45deg, var(--primary-cyan) 0%, var(--primary-purple) 50%, var(--primary-red) 100%);
  
  /* Variables del sistema */
  --primary-color: var(--primary-purple);
  --primary-dark: #5f3dc4;
  --secondary-color: var(--primary-cyan);
  --accent-color: var(--primary-orange);
  --background-color: #ffffff;
  --section-bg: #f8fafc;
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --text-light: #718096;
  --border-color: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-colored: 0 10px 25px -5px rgba(108, 92, 231, 0.2), 0 4px 6px -2px rgba(108, 92, 231, 0.1);
  --border-radius: 12px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-color);
}

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

/* Hero Section */
.hero {
  background: var(--gradient-main);
  color: white;
  padding: 100px 0;
  min-height: 90vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="8" height="8" patternUnits="userSpaceOnUse"><path d="M 8 0 L 0 0 0 8" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.6;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.logo-container {
  margin-bottom: 30px;
}

.hero-logo {
  height: 60px;
  width: auto;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.hero-logo-large {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-logo-main {
  width: 100%;
  max-width: 400px;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
  animation: float 6s ease-in-out infinite;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 20px;
}


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

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border: none;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--gradient-warm);
  color: white;
  border: none;
  box-shadow: var(--shadow-colored);
}

.btn-primary:hover {
  background: var(--gradient-tech);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px -5px rgba(108, 92, 231, 0.4), 0 8px 15px -5px rgba(108, 92, 231, 0.2);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Section Styles */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: var(--text-primary);
}

/* Services Section */
.services {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 10% 20%, rgba(0, 210, 211, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 90% 80%, rgba(108, 92, 231, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  position: relative;
  z-index: 1;
}

.service-card {
  background: white;
  padding: 40px 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-cool);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
  position: relative;
  transition: var(--transition);
}

.service-icon::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: var(--gradient-main);
  border-radius: 50%;
  z-index: -1;
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover .service-icon::before {
  opacity: 1;
}

.service-icon i {
  font-size: 2rem;
  color: white;
}

.service-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-primary);
}

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

/* Portfolio Section */
.portfolio {
  padding: 100px 0;
  background-color: white;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}

.portfolio-item {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.portfolio-image {
  height: 200px;
  background: var(--gradient-tech);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.portfolio-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-image::before {
  opacity: 0.8;
}

.portfolio-image i {
  font-size: 4rem;
  color: rgba(255, 255, 255, 0.8);
}

.portfolio-content {
  padding: 30px;
}

.portfolio-content h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.portfolio-content p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tag {
  background: linear-gradient(45deg, var(--primary-cyan), var(--primary-purple));
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.tag:hover::before {
  left: 100%;
}

.portfolio-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.portfolio-link:hover {
  color: var(--primary-dark);
  transform: translateX(5px);
}

/* Why Us Section */
.why-us {
  padding: 100px 0;
  background: linear-gradient(45deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
  position: relative;
}

.why-us::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(255, 71, 87, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(253, 203, 110, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  position: relative;
  z-index: 1;
}

.feature {
  text-align: center;
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: var(--gradient-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  transition: var(--transition);
}

.feature-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

.feature:hover .feature-icon::after {
  opacity: 1;
}

.feature-icon i {
  position: relative;
  z-index: 1;
}

.feature-icon i {
  font-size: 1.8rem;
  color: white;
}

.feature h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-primary);
}

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

/* FAQ Section */
.faq {
  padding: 100px 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
  position: relative;
}

.faq::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 20%, rgba(255, 118, 117, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(108, 92, 231, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  position: relative;
  z-index: 1;
}

.faq-item {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.faq-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.faq-question {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-primary);
  background: var(--gradient-cool);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.faq-answer {
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer strong {
  color: var(--primary-purple);
  font-weight: 600;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background-color: white;
}

.contact-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 60px;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-item i {
  width: 50px;
  height: 50px;
  background: var(--gradient-cool);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.contact-item:hover i {
  background: var(--gradient-main);
  transform: scale(1.1);
}

.contact-item h4 {
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text-primary);
}

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

/* Contact Form */
.contact-form {
  background: var(--section-bg);
  padding: 40px;
  border-radius: var(--border-radius-lg);
}

.form-group {
  margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
  background-color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-purple);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

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

/* Footer */
.footer {
  background-color: var(--text-primary);
  color: white;
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

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

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-logo {
    height: 50px;
  }
  
  .hero-logo-main {
    max-width: 280px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-buttons {
    justify-content: center;
    flex-direction: column;
    align-items: stretch;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .services-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .hero {
    padding: 80px 0;
  }
  
  .hero-logo {
    height: 40px;
  }
  
  .hero-logo-main {
    max-width: 220px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .services,
  .portfolio,
  .why-us,
  .contact {
    padding: 60px 0;
  }
  
  .contact-form {
    padding: 25px;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Core Web Vitals Optimizations */
.hero-logo-main,
.hero-logo {
  will-change: transform;
  contain: layout style paint;
}

/* Optimize animations for performance */
@media (prefers-reduced-motion: no-preference) {
  .service-card,
  .portfolio-item,
  .feature,
  .faq-item {
    will-change: transform;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .hero-logo-main {
    animation: none !important;
  }
}

/* Critical CSS for above the fold */
.hero {
  contain: layout style;
  transform: translateZ(0);
}

/* Lazy loading preparation */
.portfolio-image,
.service-icon,
.feature-icon {
  contain: layout style paint;
}

/* Font loading optimization */
@font-face {
  font-family: 'Inter';
  font-display: swap;
}

/* Prevent layout shift */
.hero-logo-main {
  aspect-ratio: 1/1;
  max-width: 400px;
  width: 100%;
  height: auto;
}

.hero-logo {
  aspect-ratio: auto;
  height: 60px;
  width: auto;
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Animación de gradiente para elementos hover */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Efecto de brillo en logos */
@keyframes logoGlow {
  0%, 100% { filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2)) brightness(1); }
  50% { filter: drop-shadow(0 8px 16px rgba(108, 92, 231, 0.3)) brightness(1.1); }
}

.hero-logo:hover,
.hero-logo-main:hover {
  animation: logoGlow 2s ease-in-out infinite;
}

/* Efecto de partículas de colores */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, var(--primary-cyan), transparent),
    radial-gradient(2px 2px at 40px 70px, var(--primary-purple), transparent),
    radial-gradient(1px 1px at 90px 40px, var(--primary-orange), transparent),
    radial-gradient(1px 1px at 130px 80px, var(--primary-yellow), transparent),
    radial-gradient(2px 2px at 160px 30px, var(--primary-red), transparent);
  background-repeat: repeat;
  background-size: 200px 100px;
  animation: float 20s linear infinite;
  opacity: 0.1;
  pointer-events: none;
}

/* Efectos de transición mejorados */
.service-card,
.portfolio-item,
.feature {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Gradiente animado en el título principal */
.section-title {
  background: var(--gradient-main);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
}