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

  .passenger {
    background: linear-gradient(135deg, 
      color-mix(in srgb, var(--primary) 5%, transparent), 
      color-mix(in srgb, var(--accent) 3%, transparent)
    );
  }

  .driver {
    background: linear-gradient(135deg, 
      color-mix(in srgb, var(--secondary) 5%, transparent), 
      color-mix(in srgb, var(--primary) 3%, transparent)
    );
  }

  .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;
  }

  .steps {
    display: grid;
    gap: var(--spacing-8);
    position: relative;
  }

  .step {
    display: grid;
    grid-template-columns: auto auto 1fr;
    gap: var(--spacing-4);
    align-items: center;
    background: var(--card);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    position: relative;
    transition: transform var(--animation-duration-normal) ease,
                box-shadow var(--animation-duration-normal) ease;
  }

  .step:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }

  .stepNumber {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    background: var(--primary);
    color: var(--primary-foreground);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
  }

  .stepIcon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    background: color-mix(in srgb, var(--primary) 10%, transparent);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .stepContent {
    min-width: 0;
  }

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

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

  .stepConnector {
    position: absolute;
    left: 1.5rem;
    top: 100%;
    width: 2px;
    height: var(--spacing-8);
    background: linear-gradient(to bottom, var(--primary), transparent);
    z-index: 1;
  }

  .step:last-child .stepConnector {
    display: none;
  }

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

    .subtitle {
      font-size: 1.125rem;
    }

    .step {
      grid-template-columns: auto 1fr;
      gap: var(--spacing-3);
    }

    .stepIcon {
      grid-column: 1;
      grid-row: 2;
      width: 2.5rem;
      height: 2.5rem;
    }

    .stepNumber {
      grid-column: 1;
      grid-row: 1;
      width: 2.5rem;
      height: 2.5rem;
      font-size: 1rem;
    }

    .stepContent {
      grid-column: 2;
      grid-row: 1 / 3;
    }

    .stepTitle {
      font-size: 1.25rem;
    }

    .stepDescription {
      font-size: 0.9375rem;
    }

    .stepConnector {
      left: 1.25rem;
    }
  }

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

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

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

    .steps {
      gap: var(--spacing-6);
    }
  }
}