:root {
  /* Tła */
  --bg-main: #070A10;
  --bg-section: #0C111B;
  --bg-surface: #111827;
  --bg-surface-hover: #162033;
  --bg-elevated: #1A2436;

  /* Tekst */
  --text-primary: #F8FAFC;
  --text-secondary: #A7B0C0;
  --text-muted: #687386;

  /* Marka */
  --brand-primary: #6366F1;
  --brand-hover: #4F46E5;
  --brand-secondary: #22D3EE;

  /* Stany */
  --success: #34D399;
  --warning: #F59E0B;
  --danger: #FB7185;

  /* Fonts */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
}

/* Glassmorphism */
.glass {
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  border: none;
}
.btn-primary {
  background-color: var(--brand-primary);
  color: var(--text-primary);
}
.btn-primary:hover {
  background-color: var(--brand-hover);
  transform: translateY(-1px);
}
.btn-secondary {
  background-color: transparent;
  color: var(--brand-secondary);
  border: 1px solid var(--brand-secondary);
}
.btn-secondary:hover {
  background-color: rgba(34, 211, 238, 0.1);
  transform: translateY(-1px);
}
.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

/* Cards */
.card {
  background-color: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.2s ease;
}
.card:hover {
  background-color: var(--bg-surface-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
}

.card-product, .card-resource, .card-tool {
  /* Specific styles for different card types */
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-primary {
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--brand-primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
}
.badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}
.badge-success {
  background-color: rgba(52, 211, 153, 0.1);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.2);
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  background-color: var(--bg-elevated);
  color: var(--text-secondary);
  border-radius: 4px;
  font-size: 0.875rem;
  font-family: var(--font-mono);
}

/* Typography Utilities */
.section-header {
  margin-bottom: 2rem;
}
.section-header h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.section-header p {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* Grid Utilities */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }

@media (max-width: 1024px) {
  .grid-cols-3, .grid-cols-4, .grid-cols-5 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-cols-2, .grid-cols-3, .grid-cols-4, .grid-cols-5 { grid-template-columns: 1fr; }
}