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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #2c3e50;
  background-color: #f8f9fa;
}

/* Variables CSS para colores profesionales */
:root {
  --color-primary: #34495e;
  --color-secondary: #7f8c8d;
  --color-accent: #3498db;
  --color-light: #ecf0f1;
  --color-white: #ffffff;
  --color-text: #2c3e50;
  --color-text-light: #7f8c8d;
  --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
  --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
  --shadow-heavy: 0 8px 30px rgba(0,0,0,0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Header mejorado */
header {
  background: var(--color-white);
  border-bottom: 1px solid #e9ecef;
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-weight: 600;
  color: var(--color-primary) !important;
  font-size: 1.25rem;
}

.navbar-brand img {
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.navbar-nav .nav-link {
  color: var(--color-text) !important;
  font-weight: 500;
  padding: 0.75rem 1rem !important;
  transition: var(--transition);
  position: relative;
}

.navbar-nav .nav-link:hover {
  color: var(--color-accent) !important;
  background-color: rgba(52, 152, 219, 0.05);
  border-radius: 6px;
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background-color: var(--color-accent);
  transition: var(--transition);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
  width: 80%;
}

/* Hero Section */
.hero-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.hero-gradient::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="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-content .lead {
  font-size: 1.3rem;
  font-weight: 300;
  opacity: 0.9;
  margin-bottom: 2rem;
}

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

.fade-in {
  animation: fadeInUp 0.8s ease-out;
}

.fade-in-delay {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.fade-in-delay-2 {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Botones mejorados */
.btn {
  border-radius: 8px;
  font-weight: 500;
  text-transform: none;
  transition: var(--transition);
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::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;
}

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

.btn-primary {
  background: var(--color-accent);
  box-shadow: var(--shadow-light);
}

.btn-primary:hover {
  background: #2980b9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

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

.btn-outline-light {
  border: 2px solid var(--color-white);
  color: var(--color-white);
}

.btn-outline-light:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Cards mejoradas */
.card {
  border: none;
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
  background: var(--color-white);
  box-shadow: var(--shadow-light);
  position: relative;
}

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

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

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

.card-img-top {
  transition: var(--transition);
  height: 200px;
  object-fit: cover;
}

.card:hover .card-img-top {
  transform: scale(1.05);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.card-text {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Product cards especiales */
.product-card {
  text-decoration: none !important;
  color: inherit !important;
}

.product-card:hover {
  color: inherit !important;
  text-decoration: none !important;
}

/* Features section */
.features {
  background: var(--color-white);
  border-radius: 16px;
  box-shadow: var(--shadow-light);
}

.feature-item {
  padding: 2rem 1rem;
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-5px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-medium);
}

.feature-icon i {
  font-size: 2rem;
  color: var(--color-white);
}

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

.feature-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* Stats section */
.stats-section {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-white) 100%);
}

.stat-item h2 {
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 1rem;
}

/* Gallery */
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

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

.gallery-item img {
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(52, 73, 94, 0.8), rgba(52, 152, 219, 0.8));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  color: var(--color-white);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h5 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Process section */
.process {
  background: var(--color-white);
}

.process-step {
  text-align: center;
  padding: 2rem 1rem;
  position: relative;
}

.process-number {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-medium);
}

.process-step h5 {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1rem;
}

.process-step p {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

/* Testimonials */
.testimonial-card {
  background: var(--color-white);
  box-shadow: var(--shadow-light);
  border-radius: 12px;
  transition: var(--transition);
  border-left: 4px solid var(--color-accent);
}

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

.testimonial-card p {
  color: var(--color-text);
  font-style: italic;
  font-size: 0.95rem;
}

.testimonial-card footer {
  color: var(--color-text-light);
  font-weight: 500;
  font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-section::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="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

/* Contact section */
.contact-info {
  background: var(--color-white);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-light);
  height: fit-content;
}

.contact-info h5 {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.contact-info .d-flex {
  padding: 0.75rem 0;
  border-bottom: 1px solid #f1f3f4;
  transition: var(--transition);
}

.contact-info .d-flex:hover {
  background-color: rgba(52, 152, 219, 0.05);
  border-radius: 8px;
  padding-left: 0.5rem;
}

.contact-info .d-flex:last-child {
  border-bottom: none;
}

.contact-info i {
  color: var(--color-accent);
}

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

.contact-form .form-control {
  border: 2px solid #e9ecef;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  transition: var(--transition);
  font-size: 0.95rem;
}

.contact-form .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.1);
}

/* Footer */
footer {
  background: var(--color-primary);
  color: var(--color-white);
}

footer a {
  color: var(--color-white);
  transition: var(--transition);
}

footer a:hover {
  color: var(--color-accent);
  transform: translateY(-3px);
}

/* Responsive improvements */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content .lead {
    font-size: 1.1rem;
  }
  
  .feature-item {
    margin-bottom: 2rem;
  }
  
  .process-step {
    margin-bottom: 2rem;
  }
  
  .btn-lg {
    padding: 0.75rem 2rem;
    margin-bottom: 1rem;
  }
}

/* Loading animation para las imágenes */
.card-img-top {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

.card-img-top[src] {
  background: none;
  animation: none;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Mejoras adicionales para profesionalismo */
.text-muted {
  color: var(--color-text-light) !important;
}

.bg-light {
  background-color: var(--color-light) !important;
}

/* Scrollbar customizada */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-light);
}

::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}