/* Critical CSS - Above the fold only */
:root {
  --primary-blue: #2563eb;
  --dark-blue: #1e40af;
  --light-blue: #dbeafe;
  --success-green: #10b981;
  --light-green: #d1fae5;
  --dark-green: #059669;
  --black: #1f2937;
  --light-gray: #f8fafc;
  --border-gray: #e5e7eb;
}

/* Base styles */
* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--light-gray);
  color: var(--black);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

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

.section {
  min-height: 200px; /* Prevent layout shifts */
  margin-bottom: 2rem;
}

/* Grid system - minimal */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -0.75rem;
}

.col {
  flex: 1;
  padding: 0 0.75rem;
}

.col-12 { flex: 0 0 100%; }
.col-6 { flex: 0 0 50%; }
.col-4 { flex: 0 0 33.333%; }
.col-3 { flex: 0 0 25%; }

@media (max-width: 768px) {
  .col-6, .col-4, .col-3 {
    flex: 0 0 100%;
  }
}

/* Utility classes */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.p-4 { padding: 1.5rem; }

.d-none { display: none; }
.d-block { display: block; }

@media (min-width: 768px) {
  .d-md-block { display: block; }
  .d-md-none { display: none; }
}

@media (min-width: 992px) {
  .d-lg-block { display: block; }
  .d-lg-none { display: none; }
}