/* stats.css */
/* Estilos para la sección de Estadísticas/Números */

/* ===== STATS SECTION ===== */
.stats {
  padding: var(--space-2xl) 0;
  background: rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  position: relative;
  z-index: 1;
}

/* ===== STAT ITEM ===== */
.stat-item {
  background: var(--glass-bg);
  backdrop-filter: var(--blur-glass);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ===== STAT NUMBER ===== */
.stat-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: var(--space-sm);
  transition: var(--transition);
  position: relative;
}

.stat-item:hover .stat-number {
  transform: scale(1.1);
}

/* ===== STAT LABEL ===== */
.stat-label {
  color: var(--text-muted);
  font-weight: 600;
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== STAT EFFECTS ===== */
.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: var(--transition);
}

.stat-item:hover::before {
  left: 100%;
}

/* ===== SPECIFIC STAT STYLES ===== */
.stat-item:nth-child(1) .stat-number {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item:nth-child(2) .stat-number {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item:nth-child(3) .stat-number {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item:nth-child(4) .stat-number {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== STAT ANIMATIONS ===== */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.stat-number {
  animation: countUp 0.8s ease-out;
}

.stat-item:nth-child(1) .stat-number { animation-delay: 0.1s; }
.stat-item:nth-child(2) .stat-number { animation-delay: 0.2s; }
.stat-item:nth-child(3) .stat-number { animation-delay: 0.3s; }
.stat-item:nth-child(4) .stat-number { animation-delay: 0.4s; }

/* ===== PULSE EFFECT FOR NUMBERS ===== */
@keyframes pulse {
  0%, 100% { 
    transform: scale(1);
    opacity: 1;
  }
  50% { 
    transform: scale(1.05);
    opacity: 0.8;
  }
}

.stat-number.animated {
  animation: pulse 2s ease-in-out infinite;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-lg);
  }

  .stat-number {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .stats {
    padding: var(--space-xl) 0;
  }

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

  .stat-item {
    padding: var(--space-xl);
  }

  .stat-number {
    font-size: 2rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .stat-item {
    padding: var(--space-lg);
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .stat-label {
    font-size: 0.85rem;
  }
}

/* ===== UTILITY CLASSES ===== */
.stat-item.highlight {
  border-color: var(--primary-purple);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.stat-item.large .stat-number {
  font-size: 4rem;
}

.stat-item.small .stat-number {
  font-size: 2rem;
}