:root {
  --primary: #0099ff;          /* Blue Heading */
  --success-green: #00c853;    /* Green Text */
  --whatsapp-green: #24d563;   /* Button Green */
  --danger: #e11d48;           /* Timer Red */

  --dark-bg: #102218;          /* Dark Background */
  --card-bg: #ffffff;          /* Modal/Card White */
  --text-dark: #111814;
}

/* CUSTOM TAILWIND-LIKE CLASSES */
.text-accent-blue {
  color: var(--primary) !important;
}

.bg-accent-blue {
  background-color: var(--primary) !important;
}

.text-success-green {
  color: var(--success-green) !important;
}

.bg-success-green {
  background-color: var(--success-green) !important;
}

.bg-whatsapp-green {
  background-color: var(--whatsapp-green) !important;
}

.text-danger {
  color: var(--danger) !important;
}

.bg-danger {
  background-color: var(--danger) !important;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--dark-bg);
  font-family: "Inter", sans-serif;
}

/* HERO SECTION */
.hero-section {
  min-height: 50vh;
  background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

@media (min-width: 1024px) {
  .hero-section {
    min-height: 85vh;
  }
}

/* COURSE CARD */
.course-card {
  background: var(--card-bg);
  border: 1px solid rgba(0, 153, 255, 0.3);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s ease;
}

.course-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.course-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.course-desc {
  color: #64748b;
}

/* BLUR BACKGROUND */
.blur-bg {
  filter: blur(10px);
  opacity: 0.3;
  pointer-events: none;
  user-select: none;
  transition: 0.3s ease;
}