/* Variables */
:root {
  --primary-color: #60a5fa;
  --secondary-color: #06b6d4;
  --dark-bg: #111827;
  --text-light: #e5e7eb;
  --text-dark: #1f2937;
}

/* Gradient text */
.text-gradient {
  background: white;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hover effects */
.hover-blue:hover {
  color: var(--primary-color) !important;
}

/* Hero section */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, #000000, #111827);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://bytebros.net/assets/fondo1.png') center/cover;
  opacity: 0.1;
  z-index: 1;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

/* Card hover effect */
.card {
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  border: none;
  color: white;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Scroll smooth */
html {
  scroll-behavior: smooth;
}

/* Responsive fixes */
@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 0;
  }
}