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

:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --dark-color: #1f2937;
  --light-color: #f8fafc;
  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --border-radius: 8px;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-700);
  background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
}

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

/* Header */
.header {
  background: var(--white);
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--gray-200);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  background: var(--primary-color);
  padding: 8px;
  border-radius: var(--border-radius);
  color: var(--white);
  font-size: 1.5rem;
}

.logo-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}

.logo-text p {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin: 0;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--gray-700);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  background: #dbeafe;
  color: var(--primary-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero h2 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

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

.hero p {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
  line-height: 1.6;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--gray-700);
  border: 2px solid var(--gray-300);
}

.btn-outline:hover {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Stats Section */
.stats {
  background: var(--white);
  padding: 4rem 0;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--gray-600);
  font-weight: 500;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.25rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* Services Section */
.services {
  padding: 5rem 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  text-align: center;
}

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

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
}

.service-icon.blue {
  background: #dbeafe;
  color: var(--primary-color);
}

.service-icon.green {
  background: #dcfce7;
  color: var(--success-color);
}

.service-icon.purple {
  background: #f3e8ff;
  color: #8b5cf6;
}

.service-icon.orange {
  background: #fed7aa;
  color: var(--warning-color);
}

.service-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  text-align: left;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.service-features i {
  color: var(--success-color);
  font-size: 1rem;
}

/* Why Choose Section */
.why-choose {
  background: var(--white);
  padding: 5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.feature-item {
  text-align: center;
}

.feature-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
}

.feature-item h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.feature-item p {
  color: var(--gray-600);
}

/* Testimonials */
.testimonials {
  background: var(--gray-100);
  padding: 5rem 0;
}

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

.testimonial-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.stars {
  display: flex;
  gap: 4px;
  margin-bottom: 1rem;
}

.stars i {
  color: #fbbf24;
}

.testimonial-card p {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author strong {
  color: var(--gray-900);
  font-weight: 600;
}

.testimonial-author span {
  color: var(--gray-500);
  font-size: 0.875rem;
  display: block;
}

/* Contact Section */
.contact {
  padding: 5rem 0;
}

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

.form-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.form-card h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.form-card > p {
  color: var(--gray-600);
  margin-bottom: 2rem;
}

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

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

.form-group label {
  display: block;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius);
  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);
}

.contact-info h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 2rem;
}

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

.contact-item i {
  color: var(--primary-color);
  font-size: 1.25rem;
  width: 20px;
}

.contact-item strong {
  color: var(--gray-900);
  font-weight: 600;
  display: block;
}

.contact-item span {
  color: var(--gray-600);
}

.special-offer {
  background: #dbeafe;
  border: 2px solid #bfdbfe;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-top: 2rem;
}

.special-offer h5 {
  color: #1e40af;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.special-offer p {
  color: #1e40af;
  font-size: 0.875rem;
  margin: 0;
}

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: 3rem 0 1rem;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
}

.footer-logo .logo-icon {
  background: var(--primary-color);
  padding: 8px;
  border-radius: var(--border-radius);
  font-size: 1.25rem;
}

.footer-section h5,
.footer-section h6 {
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-section p {
  color: #9ca3af;
  font-size: 0.875rem;
  line-height: 1.6;
}

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

.footer-section ul li {
  color: #9ca3af;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: #9ca3af;
  font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h2 {
    font-size: 2rem;
  }

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

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .section-header h3 {
    font-size: 2rem;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero h2 {
    font-size: 1.75rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card,
.feature-item,
.testimonial-card {
  animation: fadeInUp 0.6s ease-out;
}

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

/* Form validation styles */
.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
  border-color: var(--danger-color);
}

.form-group input:valid,
.form-group select:valid,
.form-group textarea:valid {
  border-color: var(--success-color);
}