Bootstrap 5 Numbered Accordion with Ordered Steps

<section class="wdw-stage">
  <div class="container" style="max-width:860px">
    <div class="text-center mb-4">
      <span class="wdw-eyebrow">Getting started</span>
      <h1 class="h2 wdw-heading mt-1 mb-2">Set up your workspace in four steps</h1>
      <p class="wdw-muted mb-3">Work through each step in order. Expand one to see the details.</p>
      <div class="mx-auto" style="max-width:420px">
        <div class="d-flex justify-content-between small fw-semibold mb-1"><span id="ordStepLabel">Step 1 of 4</span><span class="wdw-muted" id="ordPct">0% complete</span></div>
        <div class="progress" role="progressbar" aria-label="Setup progress" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" id="ordProg" style="height:8px"><div class="progress-bar" id="ordBar" style="width:0%"></div></div>
      </div>
    </div>
    <div class="accordion ord-acc" id="ordAcc">
      <div class="accordion-item">
        <h2 class="accordion-header"><button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#ord1" aria-expanded="true" aria-controls="ord1"><span class="ord-num"><span class="ord-n">1</span><svg class="ord-check" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5L20 7"/></svg></span><span class="d-flex flex-column"><span class="ord-title">Create your account</span><span class="ord-desc fw-normal">Start with a work email so teammates can find you.</span></span></button></h2>
        <div id="ord1" class="accordion-collapse collapse show" data-bs-parent="#ordAcc"><div class="accordion-body">
          <ol class="ord-sub mb-0"><li>Sign up with your work email</li><li>Confirm the verification link</li><li>Choose a workspace name</li></ol>
        </div></div>
      </div>
      <div class="accordion-item">
        <h2 class="accordion-header"><button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#ord2" aria-expanded="false" aria-controls="ord2"><span class="ord-num"><span class="ord-n">2</span><svg class="ord-check" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5L20 7"/></svg></span><span class="d-flex flex-column"><span class="ord-title">Invite your team</span><span class="ord-desc fw-normal">Bring in the people who will work alongside you.</span></span></button></h2>
        <div id="ord2" class="accordion-collapse collapse" data-bs-parent="#ordAcc"><div class="accordion-body">
          <ol class="ord-sub mb-0"><li>Import contacts from a CSV file</li><li>Assign roles: admin, editor or viewer</li><li>Send the invitations</li></ol>
        </div></div>
      </div>
      <div class="accordion-item">
        <h2 class="accordion-header"><button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#ord3" aria-expanded="false" aria-controls="ord3"><span class="ord-num"><span class="ord-n">3</span><svg class="ord-check" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5L20 7"/></svg></span><span class="d-flex flex-column"><span class="ord-title">Connect your tools</span><span class="ord-desc fw-normal">Link the apps your team already uses every day.</span></span></button></h2>
        <div id="ord3" class="accordion-collapse collapse" data-bs-parent="#ordAcc"><div class="accordion-body">
          <ol class="ord-sub mb-0"><li>Link your calendar and email</li><li>Add the Slack integration</li><li>Enable webhooks for automation</li></ol>
        </div></div>
      </div>
      <div class="accordion-item">
        <h2 class="accordion-header"><button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#ord4" aria-expanded="false" aria-controls="ord4"><span class="ord-num"><span class="ord-n">4</span><svg class="ord-check" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5L20 7"/></svg></span><span class="d-flex flex-column"><span class="ord-title">Launch your first project</span><span class="ord-desc fw-normal">Put everything together and share your first result.</span></span></button></h2>
        <div id="ord4" class="accordion-collapse collapse" data-bs-parent="#ordAcc"><div class="accordion-body">
          <ol class="ord-sub mb-0"><li>Pick a template to start from</li><li>Set a due date and owners</li><li>Publish and share the link</li></ol>
        </div></div>
      </div>
    </div>
  </div>
</section>

/* Web Designer Wall library style — shared base for every Bootstrap 5 snippet.
   Indigo accent, Plus Jakarta Sans, soft cards, pill buttons. Works in light and dark. */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root,
[data-bs-theme="light"] {
  --wdw-font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-family: var(--wdw-font);
  --bs-primary: #4f46e5;
  --bs-primary-rgb: 79, 70, 229;
  --bs-primary-text-emphasis: #3730a3;
  --bs-primary-bg-subtle: #eef2ff;
  --bs-primary-border-subtle: #c7d2fe;
  --bs-link-color: #4f46e5;
  --bs-link-color-rgb: 79, 70, 229;
  --bs-link-hover-color: #4338ca;
  --bs-link-hover-color-rgb: 67, 56, 202;
  --bs-focus-ring-color: rgba(79, 70, 229, 0.25);
  --bs-border-radius: 0.75rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-radius-xl: 1.25rem;
  --wdw-radius-card: 1.25rem;
  --wdw-shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 16px 40px -16px rgba(16, 24, 40, 0.22);
  --wdw-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 12px -4px rgba(16, 24, 40, 0.12);
  --wdw-stage: #f5f6fb;
}

[data-bs-theme="dark"] {
  --bs-primary: #818cf8;
  --bs-primary-rgb: 129, 140, 248;
  --bs-primary-text-emphasis: #c7d2fe;
  --bs-primary-bg-subtle: rgba(129, 140, 248, 0.14);
  --bs-primary-border-subtle: rgba(129, 140, 248, 0.35);
  --bs-link-color: #a5b4fc;
  --bs-link-color-rgb: 165, 180, 252;
  --bs-link-hover-color: #c7d2fe;
  --bs-link-hover-color-rgb: 199, 210, 254;
  --bs-focus-ring-color: rgba(129, 140, 248, 0.35);
  --wdw-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.7);
  --wdw-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 12px -4px rgba(0, 0, 0, 0.5);
  --wdw-stage: #0f1117;
}

body { font-family: var(--wdw-font); -webkit-font-smoothing: antialiased; }

/* Bootstrap compiles its blue into these components; point them at the accent. */
.btn-primary {
  --bs-btn-bg: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: #4338ca; --bs-btn-hover-border-color: #4338ca;
  --bs-btn-active-bg: #3730a3; --bs-btn-active-border-color: #3730a3;
  --bs-btn-disabled-bg: var(--bs-primary); --bs-btn-disabled-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
[data-bs-theme="dark"] .btn-primary { --bs-btn-color: #0f1117; --bs-btn-hover-bg: #a5b4fc; --bs-btn-hover-border-color: #a5b4fc; --bs-btn-hover-color: #0f1117; --bs-btn-active-color: #0f1117; }
.btn-outline-primary {
  --bs-btn-color: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-primary); --bs-btn-hover-border-color: var(--bs-primary);
  --bs-btn-active-bg: var(--bs-primary); --bs-btn-active-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
.btn { --bs-btn-font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; }
.btn-sm { min-height: 36px; }
.form-control, .form-select { min-height: 44px; border-radius: .75rem; }
.form-control:focus, .form-select:focus, .form-check-input:focus { border-color: rgba(var(--bs-primary-rgb), .6); box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.form-check-input:checked { background-color: var(--bs-primary); border-color: var(--bs-primary); }
.nav-pills { --bs-nav-pills-link-active-bg: var(--bs-primary); }
.nav { --bs-nav-link-color: var(--bs-secondary-color); --bs-nav-link-hover-color: var(--bs-emphasis-color); }
.pagination { --bs-pagination-active-bg: var(--bs-primary); --bs-pagination-active-border-color: var(--bs-primary); --bs-pagination-color: var(--bs-body-color); --bs-pagination-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.progress, .progress-stacked { --bs-progress-bar-bg: var(--bs-primary); }
.list-group { --bs-list-group-active-bg: var(--bs-primary); --bs-list-group-active-border-color: var(--bs-primary); }
.dropdown-menu { --bs-dropdown-link-active-bg: var(--bs-primary); border-radius: .875rem; box-shadow: var(--wdw-shadow-sm); }
.accordion { --bs-accordion-active-bg: var(--bs-primary-bg-subtle); --bs-accordion-active-color: var(--bs-primary-text-emphasis); --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.badge { font-weight: 600; }

/* Library building blocks — use these instead of re-inventing them per snippet. */
.wdw-stage { min-height: 100vh; display: flex; align-items: center; background: var(--wdw-stage); padding-block: 3rem; }
.wdw-card { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: var(--wdw-radius-card); box-shadow: var(--wdw-shadow); }
.wdw-card-sm { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: 1rem; box-shadow: var(--wdw-shadow-sm); }
.wdw-aurora { position: relative; color: #fff; background: radial-gradient(60% 55% at 100% 0, #818cf8 0, transparent 70%), radial-gradient(65% 60% at 0 100%, #ec4899 0, transparent 65%), #1e1b4b; }
.wdw-eyebrow { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--bs-primary); }
.wdw-heading { font-weight: 800; letter-spacing: -.02em; color: var(--bs-emphasis-color); }
.wdw-muted { color: var(--bs-secondary-color); }
.wdw-icon { width: 2.75rem; height: 2.75rem; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: .875rem; background: var(--bs-primary-bg-subtle); color: var(--bs-primary); }

/* Component */
.ord-acc{--bs-accordion-border-radius:1.25rem;--bs-accordion-inner-border-radius:calc(1.25rem - 1px);box-shadow:var(--wdw-shadow);border-radius:1.25rem;position:relative}
.ord-acc .accordion-button{gap:1rem;font-weight:700;padding:1.15rem 1.35rem;min-height:72px;align-items:center}
.ord-desc{font-size:.85rem;color:var(--bs-secondary-color);margin-top:.1rem}
.ord-num{position:relative;z-index:1;width:2.25rem;height:2.25rem;flex:none;display:inline-grid;place-items:center;border-radius:50%;background:var(--bs-secondary-bg);color:var(--bs-secondary-color);font-size:.9rem;font-weight:800;transition:background .2s,color .2s;box-shadow:0 0 0 4px var(--bs-body-bg)}
.ord-check{display:none}
.ord-acc .accordion-button:not(.collapsed) .ord-num{background:var(--bs-primary);color:#fff;box-shadow:0 0 0 4px var(--bs-primary-bg-subtle)}
[data-bs-theme="dark"] .ord-acc .accordion-button:not(.collapsed) .ord-num{color:#0f1117}
.ord-acc .accordion-item.is-done .ord-num{background:var(--bs-success);color:#fff}
[data-bs-theme="dark"] .ord-acc .accordion-item.is-done .ord-num{color:#0f1117}
.ord-acc .accordion-item.is-done .ord-n{display:none}
.ord-acc .accordion-item.is-done .ord-check{display:block}
/* connector line between number circles */
.ord-acc .accordion-item{position:relative}
.ord-acc .accordion-item::before{content:"";position:absolute;left:calc(1.35rem + 1.125rem - 1px);top:0;bottom:0;width:2px;background:var(--bs-border-color);z-index:1;pointer-events:none}
.ord-acc .accordion-item:first-child::before{top:50%}
.ord-acc .accordion-item:last-child::before{bottom:auto;height:36px;top:0}
.ord-acc .accordion-item:first-child:last-child::before{display:none}
.ord-acc .accordion-item.is-done::before{background:var(--bs-success)}
.ord-acc .accordion-item:first-child.is-done::before{background:var(--bs-success)}
.ord-acc .accordion-item:last-child::before{top:0}
.ord-acc .accordion-body{padding:.25rem 1.35rem 1.35rem calc(1.35rem + 2.25rem + 1rem)}
.ord-sub{margin:0;padding:0;display:grid;gap:.6rem;color:var(--bs-body-color);padding-left:1.75rem}
.ord-sub li{padding-left:.35rem;line-height:1.5}
.ord-sub li::marker{color:var(--bs-primary);font-weight:800;font-size:.95em}
@media (prefers-reduced-motion:reduce){.ord-num{transition:none}}

(function initOrderedSteps() {
  var acc = document.getElementById('ordAcc');
  if (!acc) return;
  var items = acc.querySelectorAll('.accordion-item');
  var label = document.getElementById('ordStepLabel');
  var pct = document.getElementById('ordPct');
  var bar = document.getElementById('ordBar');
  var prog = document.getElementById('ordProg');
  function update(current) {
    var done = 0;
    items.forEach(function (it, i) {
      var isDone = i < current;
      it.classList.toggle('is-done', isDone);
      if (isDone) done++;
    });
    var p = Math.round(done / items.length * 100);
    label.textContent = 'Step ' + (current + 1) + ' of ' + items.length;
    pct.textContent = p + '% complete';
    bar.style.width = p + '%';
    prog.setAttribute('aria-valuenow', p);
  }
  acc.addEventListener('show.bs.collapse', function (e) {
    var idx = Array.prototype.indexOf.call(items, e.target.closest('.accordion-item'));
    if (idx > -1) update(idx);
  });
})();