/* ================================
   VARIABLES Y CONFIGURACIÓN BASE
   ================================ */

:root {
  /* Colores principales - Paleta Blanco/Gris/Celeste */
  --primary-blue: #5B9BD5;
  --primary-blue-light: #7FB3E3;
  --primary-blue-dark: #4A7FB0;
  
  --accent-sky: #A8D5E2;
  --accent-sky-light: #C5E4ED;
  
  --neutral-white: #FFFFFF;
  --neutral-50: #F8FAFB;
  --neutral-100: #F0F4F7;
  --neutral-200: #E3E9EF;
  --neutral-300: #CBD5E0;
  --neutral-400: #A0AEC0;
  --neutral-500: #718096;
  --neutral-600: #4A5568;
  --neutral-700: #2D3748;
  --neutral-800: #1A202C;
  --neutral-900: #0F1419;
  
  /* Tipografía */
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(91, 155, 213, 0.08);
  --shadow-lg: 0 10px 30px rgba(91, 155, 213, 0.12);
  --shadow-xl: 0 20px 50px rgba(91, 155, 213, 0.15);
  
  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ================================
   RESET Y ESTILOS BASE
   ================================ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  color: var(--neutral-700);
  background: var(--neutral-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ================================
   HEADER Y NAVEGACIÓN
   ================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--neutral-200);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.logo:hover {
  opacity: 0.8;
}

.logo-placeholder {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 2rem;
  filter: grayscale(50%);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neutral-800);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--neutral-600);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-base);
  position: relative;
}

.nav-links a:not(.cta-btn):hover {
  color: var(--primary-blue);
}

.nav-links a:not(.cta-btn)::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: width var(--transition-base);
}

.nav-links a:not(.cta-btn):hover::after {
  width: 100%;
}

.cta-btn {
  background: var(--primary-blue);
  color: var(--neutral-white);
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-weight: 600;
  transition: all var(--transition-base);
}

.cta-btn:hover {
  background: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--neutral-700);
}

/* ================================
   HERO SECTION
   ================================ */

.hero {
  margin-top: 76px;
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--neutral-50) 0%, var(--accent-sky-light) 100%);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(135deg, rgba(91, 155, 213, 0.05) 0%, rgba(168, 213, 226, 0.1) 100%),
    url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(91,155,213,0.03)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(91, 155, 213, 0.08) 0%, transparent 60%);
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-3xl) 2rem;
  position: relative;
  z-index: 1;
}

.hero-text {
  max-width: 700px;
}

.hero-tag {
  display: inline-block;
  background: rgba(91, 155, 213, 0.1);
  color: var(--primary-blue);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.2s forwards;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 4.5rem;
  font-weight: 700;
  color: var(--neutral-800);
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.03em;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.4s forwards;
}

.hero p {
  font-size: 1.25rem;
  color: var(--neutral-600);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
  max-width: 600px;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.6s forwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out 0.8s forwards;
}

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

/* ================================
   BOTONES
   ================================ */

.btn-primary {
  background: var(--primary-blue);
  color: var(--neutral-white);
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-base);
  display: inline-block;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-blue-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--neutral-white);
  color: var(--primary-blue);
  padding: 1rem 2.5rem;
  border: 2px solid var(--primary-blue);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-base);
  display: inline-block;
}

.btn-secondary:hover {
  background: var(--primary-blue);
  color: var(--neutral-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* ================================
   STATS SECTION
   ================================ */

.stats {
  background: var(--neutral-white);
  padding: var(--spacing-3xl) 2rem;
  border-bottom: 1px solid var(--neutral-200);
}

.stats-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.7;
}

.stat-item h3 {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.stat-item p {
  font-size: 0.95rem;
  color: var(--neutral-600);
  font-weight: 500;
}

/* ================================
   SECTION HEADERS
   ================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  background: rgba(91, 155, 213, 0.1);
  color: var(--primary-blue);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--neutral-800);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.15rem;
  color: var(--neutral-600);
  line-height: 1.8;
}

/* ================================
   SERVICES SECTION
   ================================ */

.services {
  padding: var(--spacing-3xl) 2rem;
  background: var(--neutral-50);
}

.services-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.service-card {
  background: var(--neutral-white);
  padding: var(--spacing-xl);
  border-radius: 12px;
  border: 1px solid var(--neutral-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-sky) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-blue-light);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.service-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--neutral-800);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.01em;
}

.service-card p {
  color: var(--neutral-600);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.service-link {
  color: var(--primary-blue);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  transition: all var(--transition-base);
}

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

/* ================================
   PROCESS SECTION
   ================================ */

.process {
  padding: var(--spacing-3xl) 2rem;
  background: var(--neutral-white);
}

.process-content {
  max-width: 1400px;
  margin: 0 auto;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  align-items: center;
  margin-top: var(--spacing-3xl);
}

.process-step {
  grid-column: span 2;
  text-align: center;
  padding: var(--spacing-lg);
}

.process-connector {
  grid-column: span 1;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-sky) 100%);
  position: relative;
}

.process-connector::after {
  content: '→';
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-blue);
  font-size: 1.5rem;
}

.step-number {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
  color: var(--neutral-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.process-step:hover .step-number {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-lg);
}

.step-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--neutral-800);
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.01em;
}

.step-content p {
  color: var(--neutral-600);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ================================
   PRICING SECTION
   ================================ */

.pricing {
  padding: var(--spacing-3xl) 2rem;
  background: var(--neutral-50);
}

.pricing-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.pricing-card {
  background: var(--neutral-white);
  border-radius: 16px;
  border: 2px solid var(--neutral-200);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-blue);
}

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

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.pricing-badge {
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  background: linear-gradient(90deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
  color: var(--neutral-white);
  padding: 0.75rem;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 14px 14px 0 0;
}

.pricing-card.featured .pricing-header {
  margin-top: 2rem;
}

.pricing-header h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--neutral-800);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.pricing-header p {
  color: var(--neutral-500);
  font-size: 0.95rem;
  margin-bottom: var(--spacing-lg);
}

.price {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--neutral-200);
}

.currency {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-right: 0.25rem;
  margin-top: 0.5rem;
}

.amount {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: var(--neutral-800);
  line-height: 1;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
  flex-grow: 1;
}

.pricing-features li {
  padding: 0.75rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--neutral-700);
  font-size: 0.95rem;
}

.check {
  color: var(--primary-blue);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.btn-pricing {
  background: var(--primary-blue);
  color: var(--neutral-white);
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-base);
  display: block;
  box-shadow: var(--shadow-sm);
}

.btn-pricing:hover {
  background: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ================================
   CTA SECTION
   ================================ */

.cta-section {
  padding: var(--spacing-3xl) 2rem;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--neutral-white);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.cta-content p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

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

.btn-cta-primary {
  background: var(--neutral-white);
  color: var(--primary-blue);
  padding: 1.25rem 3rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all var(--transition-base);
  display: inline-block;
  box-shadow: var(--shadow-md);
}

.btn-cta-primary:hover {
  background: var(--neutral-100);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-cta-secondary {
  background: transparent;
  color: var(--neutral-white);
  padding: 1.25rem 3rem;
  border: 2px solid var(--neutral-white);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all var(--transition-base);
  display: inline-block;
}

.btn-cta-secondary:hover {
  background: var(--neutral-white);
  color: var(--primary-blue);
  transform: translateY(-3px);
}

/* ================================
   FOOTER
   ================================ */

.footer {
  background: var(--neutral-800);
  color: var(--neutral-300);
  padding: var(--spacing-3xl) 2rem var(--spacing-lg);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--neutral-white);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.02em;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
  color: var(--neutral-white);
}

.footer-description {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--neutral-400);
}

.footer-links,
.footer-contact,
.footer-hours {
  list-style: none;
}

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

.footer-links a {
  color: var(--neutral-300);
  text-decoration: none;
  transition: color var(--transition-base);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--primary-blue-light);
}

.footer-contact li,
.footer-hours li {
  font-size: 0.95rem;
  color: var(--neutral-400);
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--neutral-700);
  text-align: center;
  font-size: 0.9rem;
  color: var(--neutral-500);
}

.footer-credit {
  margin-top: 0.75rem;
  color: var(--neutral-400);
}

.footer-credit strong {
  color: var(--primary-blue-light);
  font-weight: 600;
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

@media (max-width: 1200px) {
  .hero h1 {
    font-size: 3.5rem;
  }
  
  .section-header h2 {
    font-size: 2.5rem;
  }
}

@media (max-width: 968px) {
  /* Navigation */
  .nav-links {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  /* Hero */
  .hero {
    min-height: 70vh;
  }
  
  .hero h1 {
    font-size: 2.75rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
  
  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Services */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Process */
  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .process-step {
    grid-column: span 1;
  }
  
  .process-connector {
    display: none;
  }
  
  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-10px);
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  /* Typography */
  .hero h1 {
    font-size: 2rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .cta-content h2 {
    font-size: 2rem;
  }
  
  /* Spacing */
  .hero-content,
  .stats,
  .services,
  .process,
  .pricing,
  .cta-section,
  .footer {
    padding: var(--spacing-2xl) 1.5rem;
  }
  
  /* Stats */
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-item h3 {
    font-size: 2.5rem;
  }
  
  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  /* CTA */
  .cta-buttons {
    flex-direction: column;
  }
  
  .btn-cta-primary,
  .btn-cta-secondary {
    width: 100%;
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}


/* ================================
   BOTÓN FLOTANTE WHATSAPP
   ================================ */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  z-index: 998;
  transition: all 0.3s ease;
}

.whatsapp-float img {
  width: 30px;
  height: 30px;
}

.whatsapp-float:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

@media (max-width: 640px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
  }
}