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

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

  .header {
    text-align: center;
    margin-bottom: var(--spacing-16);
  }

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

  .subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
  }

  .features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
  }

  .feature {
    background: var(--card);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform var(--animation-duration-normal) ease,
                box-shadow var(--animation-duration-normal) ease;
  }

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

  .featureIcon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--success) 10%, transparent);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
  }

  .featureContent {
    flex: 1;
  }

  .featureTitle {
    font-family: var(--font-family-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: var(--spacing-2);
  }

  .featureDescription {
    color: var(--muted-foreground);
    line-height: 1.6;
    font-size: 1rem;
  }

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

    .subtitle {
      font-size: 1.125rem;
    }

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

    .feature {
      padding: var(--spacing-4);
    }

    .featureIcon {
      width: 3rem;
      height: 3rem;
    }

    .featureTitle {
      font-size: 1.125rem;
    }

    .featureDescription {
      font-size: 0.9375rem;
    }
  }

  @media (max-width: 480px) {
    .section {
      padding: var(--spacing-12) 0;
    }

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