/* Estilos base y utilidades */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-gray-dark);
  line-height: 1.6;
}

/* Contenedor principal */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Espaciado */
.section-padding {
  padding: 5rem 1rem;
}

/* Tipografía */
.text-hero {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.text-section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
}

.text-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
}

.text-body {
  font-size: 1rem;
  line-height: 1.6;
}

.text-body-large {
  font-size: 1.125rem;
  line-height: 1.6;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: linear-gradient(135deg, var(--primary-blue-dark), var(--primary-blue));
}

.btn-secondary {
  background: transparent;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
  background: var(--primary-blue);
  color: var(--text-white);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  overflow: hidden;
}

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

.card-content {
  padding: 2rem;
}

/* Grid layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4,
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
  
  .section-padding {
    padding: 3rem 1rem;
  }
}

/* Utilidades */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

.hidden { display: none; }
.visible { display: block; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }

/* Animaciones */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

.animate-slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

/* Scroll suave */
html {
  scroll-behavior: smooth;
}

/* Botón flotante de WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
}

.whatsapp-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  color: white;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: all 0.3s ease;
}

.whatsapp-btn:hover {
  background: #128C7E;
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
  color: white;
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 15px;
    right: 15px;
  }
  
  .whatsapp-btn {
    width: 50px;
    height: 50px;
  }
  
  .whatsapp-btn svg {
    width: 20px;
    height: 20px;
  }
}