@layer base {
  .section {
    padding: var(--spacing-16) 0;
    background-color: var(--background);
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
  }

  .header {
    text-align: center;
    margin-bottom: var(--spacing-12);
  }

  .icon {
    color: var(--accent);
    margin-bottom: var(--spacing-4);
  }

  .title {
    font-family: var(--font-family-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    color: var(--foreground);
  }

  .subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
  }

  .howItWorks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-16);
  }

  .step {
    text-align: center;
    padding: var(--spacing-6);
  }

  .stepIcon {
    font-size: 3rem;
    margin-bottom: var(--spacing-4);
  }

  .stepTitle {
    font-family: var(--font-family-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    color: var(--foreground);
  }

  .stepDescription {
    color: var(--muted-foreground);
    line-height: 1.5;
  }

  .tiers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
  }

  .tier {
    background-color: var(--card);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    position: relative;
    transition: all var(--animation-duration-normal) ease;
  }

  .tier:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }

  .tierHeader {
    text-align: center;
    margin-bottom: var(--spacing-6);
  }

  .tierIcon {
    font-size: 3rem;
    margin-bottom: var(--spacing-3);
  }

  .tierName {
    font-family: var(--font-family-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-2);
    color: var(--foreground);
  }

  .tierPoints {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    font-weight: 500;
  }

  .tierBenefits {
    margin-bottom: var(--spacing-6);
  }

  .benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    font-size: 0.9375rem;
  }

  .benefitIcon {
    color: var(--primary);
    flex-shrink: 0;
  }

  .tierProgress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
  }

  .progressBar {
    width: 100%;
    height: 100%;
    background-color: var(--muted);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    overflow: hidden;
  }

  .progressFill {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, currentColor 100%);
  }

  .pointsInfo {
    display: flex;
    justify-content: center;
  }

  .pointsCard {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-6);
    padding: var(--spacing-8);
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg);
    color: white;
    max-width: 600px;
  }

  .pointsIcon {
    flex-shrink: 0;
    opacity: 0.9;
  }

  .pointsContent {
    flex: 1;
  }

  .pointsTitle {
    font-family: var(--font-family-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-4);
  }

  .pointsList {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .pointsList li {
    margin-bottom: var(--spacing-2);
    padding-left: var(--spacing-4);
    position: relative;
  }

  .pointsList li::before {
    content: '✨';
    position: absolute;
    left: 0;
    top: 0;
  }

  /* Responsive design */
  @media (max-width: 768px) {
    .title {
      font-size: 2rem;
    }

    .howItWorks {
      grid-template-columns: 1fr;
      gap: var(--spacing-6);
    }

    .tiers {
      grid-template-columns: 1fr;
    }

    .pointsCard {
      flex-direction: column;
      text-align: center;
      padding: var(--spacing-6);
    }
  }
}