:root {
  /* Primary blue shades */
  --primary-dark: #1e40af;
  --primary-medium: #2563eb;
  --primary-light: #3b82f6;
  --primary-darker: #1d4ed8;

  /* Background gradients */
  --bg-gradient-1: rgba(59, 130, 246, 0.15);
  --bg-gradient-2: rgba(147, 197, 253, 0.2);
  --bg-gradient-3: rgba(191, 219, 254, 0.25);
  --bg-overlay: rgba(219, 234, 254, 0.3);

  /* Text colors with opacity */
  --text-primary-90: rgba(30, 64, 175, 0.9);
  --text-primary-80: rgba(30, 64, 175, 0.8);
  --text-primary-75: rgba(30, 64, 175, 0.75);

  /* Accent colors */
  --accent-glow: rgba(29, 78, 216, 0.3);
  --accent-border: rgba(59, 130, 246, 0.4);
  --accent-shadow: rgba(59, 130, 246, 0.15);
  --accent-bg-light: rgba(59, 130, 246, 0.1);
  --accent-bg-medium: rgba(59, 130, 246, 0.2);
  --accent-bg-heavy: rgba(59, 130, 246, 0.08);

  /* Icon colors */
  --icon-primary: #2563eb;
  --icon-hover: #1d4ed8;
  --icon-glow: rgba(29, 78, 216, 0.4);

  /* Card backgrounds */
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-bg-hover: rgba(255, 255, 255, 0.85);
  --card-border: rgba(59, 130, 246, 0.2);
  --card-border-hover: rgba(59, 130, 246, 0.4);
  --card-shadow: rgba(59, 130, 246, 0.08);
  --card-shadow-hover: rgba(59, 130, 246, 0.15);
  --card-glow: rgba(59, 130, 246, 0.1);
}

.bg-light {
  background: #f5fbff;
}
.section-title {
  border-bottom: 3px solid #4287ce;
  padding-bottom: 5px;
  color: #185a9d;
}

.section-subtitle {
  max-width: 700px;
  margin: 0 auto 3rem;
}

/* Card Styles */
.card {
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-slate-200);
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
}

.card:hover {
  transform: translateY(-7px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15) !important;
}

.card-header-accent {
  background: var(--color-gradient-header);
  height: 4px;
}

.card-content {
  flex-grow: 1;
  padding: 2rem;
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: var(--color-white);
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

@media screen and (max-width: 768px) {
  .section-subtitle {
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    line-height: 1.4;
  }

  .card-content {
    padding: 1rem;
  }

  .feature-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    margin-right: 0.75rem;
  }
}