Bootstrap 5 FAQ Accordion with Expand All

<section class="wdw-stage"><div class="container" style="max-width:1080px">
<div class="mb-4"><span class="wdw-eyebrow">FAQ</span><h2 class="wdw-heading display-6 mb-2">Frequently asked questions</h2><p class="wdw-muted mb-0">Everything you need to know before you order.</p></div>
<div class="row g-4 align-items-start">
<div class="col-12 col-lg-8">
<div class="d-flex justify-content-end mb-2"><button type="button" class="btn btn-link btn-sm text-decoration-none" id="faqToggleAll">Expand all</button></div>
<div class="accordion faq" id="faq">
<div class="accordion-item"><h3 class="accordion-header"><button class="accordion-button gap-3" type="button" data-bs-toggle="collapse" data-bs-target="#faq0" aria-expanded="true" aria-controls="faq0"><span class="wdw-icon faq-num">1</span><span>What is your return policy?</span></button></h3><div id="faq0" class="accordion-collapse collapse show"><div class="accordion-body faq-answer">You can return any unused item within 30 days of delivery for a full refund. Start a return from your account and we will email a prepaid label.</div></div></div>
<div class="accordion-item"><h3 class="accordion-header"><button class="accordion-button collapsed gap-3" type="button" data-bs-toggle="collapse" data-bs-target="#faq1" aria-expanded="false" aria-controls="faq1"><span class="wdw-icon faq-num">2</span><span>How long does shipping take?</span></button></h3><div id="faq1" class="accordion-collapse collapse"><div class="accordion-body faq-answer">Standard shipping takes 3 to 5 business days. Express options arrive in 1 to 2 days and are shown at checkout.</div></div></div>
<div class="accordion-item"><h3 class="accordion-header"><button class="accordion-button collapsed gap-3" type="button" data-bs-toggle="collapse" data-bs-target="#faq2" aria-expanded="false" aria-controls="faq2"><span class="wdw-icon faq-num">3</span><span>Can I change or cancel my order?</span></button></h3><div id="faq2" class="accordion-collapse collapse"><div class="accordion-body faq-answer">Orders can be edited or cancelled within one hour of purchase. After that they enter packing and cannot be changed.</div></div></div>
<div class="accordion-item"><h3 class="accordion-header"><button class="accordion-button collapsed gap-3" type="button" data-bs-toggle="collapse" data-bs-target="#faq3" aria-expanded="false" aria-controls="faq3"><span class="wdw-icon faq-num">4</span><span>Do you ship internationally?</span></button></h3><div id="faq3" class="accordion-collapse collapse"><div class="accordion-body faq-answer">Yes, we deliver to more than 40 countries. Duties and taxes are calculated at checkout so there are no surprises.</div></div></div>
<div class="accordion-item"><h3 class="accordion-header"><button class="accordion-button collapsed gap-3" type="button" data-bs-toggle="collapse" data-bs-target="#faq4" aria-expanded="false" aria-controls="faq4"><span class="wdw-icon faq-num">5</span><span>How can I contact support?</span></button></h3><div id="faq4" class="accordion-collapse collapse"><div class="accordion-body faq-answer">Chat with us any day from 8am to 8pm, or email support and we will reply within one business day.</div></div></div>
</div></div>
<div class="col-12 col-lg-4"><div class="wdw-aurora rounded-4 p-4 p-lg-5 faq-help">
<span class="wdw-icon faq-help-icon mb-3"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"/></svg></span>
<h3 class="h4 fw-bold">Still need help?</h3>
<p class="opacity-75 mb-4">Our team answers every day from 8am to 8pm.</p>
<a href="#" class="btn btn-light rounded-pill px-4">Contact support</a>
</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 */
.faq {
  --bs-accordion-border-width: 0; --bs-accordion-bg: transparent; display: grid; gap: .75rem;
  --bs-accordion-btn-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
  --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%234f46e5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
}
[data-bs-theme="dark"] .faq {
  --bs-accordion-btn-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
  --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23a5b4fc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
}
.faq .accordion-item { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent) !important; border-radius: 1rem !important; box-shadow: var(--wdw-shadow-sm); overflow: hidden; border-left: 4px solid transparent !important; transition: border-color .2s; }
.faq .accordion-item:has(.accordion-button:not(.collapsed)) { border-left-color: var(--bs-primary) !important; }
.faq .accordion-button { font-weight: 700; padding: 1.15rem 1.4rem; background: transparent; box-shadow: none; border-radius: 0 !important; }
.faq .accordion-button:focus-visible { box-shadow: inset 0 0 0 .2rem var(--bs-focus-ring-color); }
.faq .accordion-button:not(.collapsed) { color: var(--bs-primary-text-emphasis); background: var(--bs-primary-bg-subtle); }
.faq-num { width: 2.25rem; height: 2.25rem; border-radius: .65rem; font-size: .9rem; font-weight: 800; }
.faq .accordion-body { padding: 1.1rem 1.4rem 1.4rem; }
.faq-answer { color: var(--bs-secondary-color); font-size: 1rem; line-height: 1.6; }
.faq-help { position: sticky; top: 2rem; box-shadow: var(--wdw-shadow); }
.faq-help-icon { background: rgba(255,255,255,.16); color: #fff; }
[data-bs-theme="dark"] .faq .accordion-button::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m2 5 6 6 6-6'/%3E%3C/svg%3E"); }
[data-bs-theme="dark"] .faq .accordion-button:not(.collapsed)::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23a5b4fc' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m2 5 6 6 6-6'/%3E%3C/svg%3E"); }

(function initFaqExpandAll() {
  var btn = document.getElementById('faqToggleAll');
  var faq = document.getElementById('faq');
  if (!btn || !faq) return;
  var panels = faq.querySelectorAll('.accordion-collapse');
  function allOpen() {
    return Array.prototype.every.call(panels, function (p) { return p.classList.contains('show'); });
  }
  function sync() { btn.textContent = allOpen() ? 'Collapse all' : 'Expand all'; }
  btn.addEventListener('click', function () {
    var open = allOpen();
    panels.forEach(function (p) {
      var inst = bootstrap.Collapse.getOrCreateInstance(p, { toggle: false });
      if (open) inst.hide(); else inst.show();
    });
  });
  faq.addEventListener('shown.bs.collapse', sync);
  faq.addEventListener('hidden.bs.collapse', sync);
  sync();
})();