---
/**
 * ProcessSteps
 * Visuele stappen-sectie: hoe werkt het, onboarding, werkwijze.
 *
 * Props:
 * - headline?: string
 * - sub?: string
 * - steps: Array<{ title: string; body: string; icon?: string }>
 * - layout?: 'horizontal' | 'vertical'
 */
interface Props {
  headline?: string;
  sub?: string;
  steps: { title: string; body: string; icon?: string }[];
  layout?: 'horizontal' | 'vertical';
}

const { headline, sub, steps, layout = 'horizontal' } = Astro.props;
---

<section class={`process process--${layout}`} data-process>
  <div class="process__inner">
    {(headline || sub) && (
      <div class="process__header">
        {headline && <h2 class="process__headline">{headline}</h2>}
        {sub && <p class="process__sub">{sub}</p>}
      </div>
    )}
    <ol class="process__steps">
      {steps.map((step, i) => (
        <li class="process__step">
          <div class="process__step-num">
            {step.icon ?? String(i + 1).padStart(2, '0')}
          </div>
          {layout === 'horizontal' && i < steps.length - 1 && (
            <div class="process__connector" aria-hidden="true"></div>
          )}
          <h3 class="process__step-title">{step.title}</h3>
          <p class="process__step-body">{step.body}</p>
        </li>
      ))}
    </ol>
  </div>
</section>

<style>
  .process {
    padding: 5rem 1.5rem;
    background: var(--color-bg);
  }
  .process__inner { max-width: 1280px; margin: 0 auto; }
  .process__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3.5rem;
  }
  .process__headline {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0 0 0.75rem;
  }
  .process__sub { font-size: 1.0625rem; color: var(--color-muted); line-height: 1.6; margin: 0; }

  /* Horizontal */
  .process--horizontal .process__steps {
    list-style: none;
    margin: 0; padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  @media (min-width: 640px) {
    .process--horizontal .process__steps {
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
  }
  .process--horizontal .process__step {
    position: relative;
    text-align: center;
  }
  .process__step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem; height: 3rem;
    background: var(--color-accent);
    color: #fff;
    font-weight: 800;
    font-size: 0.9375rem;
    border-radius: 50%;
    margin-bottom: 1rem;
  }
  .process__connector {
    display: none;
    position: absolute;
    top: 1.5rem;
    left: calc(50% + 1.75rem);
    right: calc(-50% + 1.75rem);
    height: 1px;
    background: color-mix(in srgb, var(--color-accent) 40%, transparent);
  }
  @media (min-width: 640px) {
    .process--horizontal .process__connector { display: block; }
  }
  .process__step-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.375rem;
  }
  .process__step-body {
    font-size: 0.9rem;
    color: var(--color-muted);
    line-height: 1.6;
    margin: 0;
  }

  /* Vertical */
  .process--vertical .process__steps {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 640px;
  }
  .process--vertical .process__step {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 0 1.5rem;
    padding-bottom: 2.5rem;
    position: relative;
  }
  .process--vertical .process__step::before {
    content: '';
    position: absolute;
    top: 3rem;
    left: 1.5rem;
    bottom: 0;
    width: 1px;
    background: color-mix(in srgb, var(--color-text) 12%, transparent);
  }
  .process--vertical .process__step:last-child::before { display: none; }
  .process--vertical .process__step-num {
    grid-row: 1 / 3;
    align-self: start;
  }
  .process--vertical .process__step-title { margin-top: 0.7rem; }
</style>