/**
 * Catalyst Networks Theme CSS
 * Advanced cyber security platform design system
 */

/* ===== CSS Variables ===== */
:root {
  /* Primary Colors */
  --catalyst-blue: #1E293B;
  --catalyst-blue-light: #334155;
  --catalyst-teal: #0EA5E9;
  --catalyst-teal-light: #38BDF8;
  --catalyst-purple: #8B5CF6;
  --catalyst-purple-light: #A78BFA;
  
  /* Neutral Colors */
  --catalyst-gray: #64748B;
  --catalyst-gray-light: #94A3B8;
  --catalyst-dark: #0F172A;
  --catalyst-white: #FFFFFF;
  
  /* Status Colors */
  --catalyst-success: #10B981;
  --catalyst-warning: #F59E0B;
  --catalyst-error: #EF4444;
  
  /* Gradients */
  --catalyst-gradient: linear-gradient(135deg, var(--catalyst-teal) 0%, var(--catalyst-purple) 100%);
  --catalyst-gradient-dark: linear-gradient(135deg, var(--catalyst-blue) 0%, var(--catalyst-blue-light) 100%);
  
  /* Typography */
  --catalyst-font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing */
  --catalyst-spacing-xs: 0.25rem;
  --catalyst-spacing-sm: 0.5rem;
  --catalyst-spacing-md: 1rem;
  --catalyst-spacing-lg: 1.5rem;
  --catalyst-spacing-xl: 2rem;
  --catalyst-spacing-2xl: 3rem;
  
  /* Border Radius */
  --catalyst-radius-sm: 0.25rem;
  --catalyst-radius-md: 0.5rem;
  --catalyst-radius-lg: 0.75rem;
  --catalyst-radius-xl: 1rem;
  
  /* Shadows */
  --catalyst-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --catalyst-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --catalyst-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --catalyst-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --catalyst-transition-fast: 150ms ease-in-out;
  --catalyst-transition-base: 200ms ease-in-out;
  --catalyst-transition-slow: 300ms ease-in-out;
}

/* ===== Base Styles ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--catalyst-font-family);
  color: var(--catalyst-gray);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--catalyst-blue);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.text-catalyst-blue { color: var(--catalyst-blue); }
.text-catalyst-teal { color: var(--catalyst-teal); }
.text-catalyst-purple { color: var(--catalyst-purple); }
.text-catalyst-gray { color: var(--catalyst-gray); }
.text-catalyst-white { color: var(--catalyst-white); }

/* ===== Buttons ===== */
.btn-catalyst {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--catalyst-spacing-sm) var(--catalyst-spacing-lg);
  font-weight: 500;
  border-radius: var(--catalyst-radius-md);
  transition: all var(--catalyst-transition-base);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  text-decoration: none;
}

.btn-catalyst-primary {
  background-color: var(--catalyst-teal);
  color: var(--catalyst-white);
}

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

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

.btn-catalyst-secondary:hover {
  background-color: var(--catalyst-teal);
  color: var(--catalyst-white);
}

.btn-catalyst-gradient {
  background: var(--catalyst-gradient);
  color: var(--catalyst-white);
}

.btn-catalyst-gradient:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--catalyst-shadow-lg);
}

/* ===== Cards ===== */
.catalyst-card {
  background-color: var(--catalyst-white);
  border-radius: var(--catalyst-radius-lg);
  padding: var(--catalyst-spacing-lg);
  box-shadow: var(--catalyst-shadow-md);
  transition: box-shadow var(--catalyst-transition-base);
}

.catalyst-card:hover {
  box-shadow: var(--catalyst-shadow-lg);
}

.catalyst-card .card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--catalyst-blue);
  margin-bottom: var(--catalyst-spacing-sm);
}

.catalyst-card .card-content {
  color: var(--catalyst-gray);
}

/* ===== Forms ===== */
.catalyst-input {
  width: 100%;
  padding: var(--catalyst-spacing-sm) var(--catalyst-spacing-md);
  border: 1px solid #e5e7eb;
  border-radius: var(--catalyst-radius-md);
  font-size: 1rem;
  transition: all var(--catalyst-transition-base);
}

.catalyst-input:focus {
  outline: none;
  border-color: var(--catalyst-teal);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.catalyst-label {
  display: block;
  font-weight: 500;
  color: var(--catalyst-blue);
  margin-bottom: var(--catalyst-spacing-xs);
}

/* ===== Navigation ===== */
.catalyst-nav {
  background: var(--catalyst-gradient-dark);
  padding: var(--catalyst-spacing-md) 0;
  box-shadow: var(--catalyst-shadow-md);
}

.catalyst-nav .nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--catalyst-spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.catalyst-nav .logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.catalyst-nav .nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--catalyst-spacing-lg);
}

.catalyst-nav .nav-item a {
  color: var(--catalyst-white);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--catalyst-transition-base);
}

.catalyst-nav .nav-item a:hover {
  color: var(--catalyst-teal-light);
}

/* ===== Logo Styles ===== */
.catalyst-logo {
  width: 2.5rem;
  height: 2.5rem;
}

.catalyst-logo svg {
  width: 100%;
  height: 100%;
}

/* ===== Utility Classes ===== */
.bg-catalyst-blue { background-color: var(--catalyst-blue); }
.bg-catalyst-teal { background-color: var(--catalyst-teal); }
.bg-catalyst-purple { background-color: var(--catalyst-purple); }
.bg-catalyst-gray { background-color: var(--catalyst-gray); }
.bg-catalyst-gradient { background: var(--catalyst-gradient); }

.shadow-catalyst-sm { box-shadow: var(--catalyst-shadow-sm); }
.shadow-catalyst-md { box-shadow: var(--catalyst-shadow-md); }
.shadow-catalyst-lg { box-shadow: var(--catalyst-shadow-lg); }
.shadow-catalyst-xl { box-shadow: var(--catalyst-shadow-xl); }

.rounded-catalyst-sm { border-radius: var(--catalyst-radius-sm); }
.rounded-catalyst-md { border-radius: var(--catalyst-radius-md); }
.rounded-catalyst-lg { border-radius: var(--catalyst-radius-lg); }
.rounded-catalyst-xl { border-radius: var(--catalyst-radius-xl); }

/* ===== Animations ===== */
@keyframes catalyst-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes catalyst-fade-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.catalyst-animate-pulse {
  animation: catalyst-pulse 2s ease-in-out infinite;
}

.catalyst-animate-fade-in {
  animation: catalyst-fade-in 0.5s ease-out;
}

/* ===== Responsive Utilities ===== */
@media (max-width: 768px) {
  .catalyst-nav .nav-menu {
    flex-direction: column;
    gap: var(--catalyst-spacing-sm);
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}

/* ===== Dark Mode Support ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --catalyst-white: #0F172A;
    --catalyst-dark: #FFFFFF;
  }
  
  body {
    background-color: var(--catalyst-dark);
    color: var(--catalyst-gray-light);
  }
  
  .catalyst-card {
    background-color: var(--catalyst-blue);
    color: var(--catalyst-gray-light);
  }
}