:root {
  --primary-color: #2563eb;
  --secondary-color: #f1f5f9;
  --text-dark: #1e293b;
  --text-muted: #64748b;
  --background-color: #ffffff;
  --font-family: "Inter", "Roboto", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: 1rem;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--text-muted);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}

.col-lg-6,
.col-lg-4,
.col-lg-3 {
  padding: 0 15px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

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

.btn-primary:hover {
  background-color: #1d4ed8; /* darker shade */
}

/* base hidden state for elements that will fade up when in view */
.fade-up {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible,
.fade-up.active {
  /* active class added by JS */
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Ensure proper character display */
.stat-value,
[data-counter],
.stats,
.instructor .stats .stat-box {
  font-feature-settings: "kern" 1, "liga" 1;
  unicode-bidi: normal;
  direction: ltr;
}