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(function () { |
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var _typoKeys = { |
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family:'font-family', weight:'font-weight', style:'font-style', |
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transform:'text-transform', decoration:'text-decoration', |
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sizeDesktop:'font-size-d', sizeTablet:'font-size-t', sizeMobile:'font-size-m', |
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lineHeightDesktop:'line-height-d', lineHeightTablet:'line-height-t', lineHeightMobile:'line-height-m', |
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letterSpacingDesktop:'letter-spacing-d', letterSpacingTablet:'letter-spacing-t', letterSpacingMobile:'letter-spacing-m', |
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wordSpacingDesktop:'word-spacing-d', wordSpacingTablet:'word-spacing-t', wordSpacingMobile:'word-spacing-m' |
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}; |
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var _typoUnits = { size:'sizeUnit', lineHeight:'lineHeightUnit', letterSpacing:'letterSpacingUnit', wordSpacing:'wordSpacingUnit' }; |
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var _typoUnitDefaults = { size:'px', lineHeight:'', letterSpacing:'px', wordSpacing:'px' }; |
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function typoCssVarsForEl(el, obj, prefix) { |
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if (!obj || typeof obj !== 'object') return; |
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Object.keys(_typoKeys).forEach(function (k) { |
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var v = obj[k]; if (v === undefined || v === '') return; |
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var prop = _typoKeys[k]; |
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var base = k.replace(/Desktop|Tablet|Mobile/, ''); |
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var uKey = _typoUnits[base]; |
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if (uKey && typeof v === 'number') v = v + (obj[uKey] || _typoUnitDefaults[base] || ''); |
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el.style.setProperty(prefix + prop, v); |
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}); |
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} |
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function init() { |
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document.querySelectorAll('.bkbg-nls-app').forEach(function (el) { |
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if (el.dataset.rendered) return; |
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el.dataset.rendered = '1'; |
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|
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var opts; |
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try { opts = JSON.parse(el.dataset.opts || '{}'); } catch (e) { opts = {}; } |
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|
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var o = Object.assign({ |
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eyebrow: 'Weekly Newsletter', heading: 'Join 12,000+ Marketers Getting Smarter Every Week', |
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subtext: 'No fluff. Just actionable strategies, tools, and case studies every Tuesday.', |
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subscriberCount: '12,000+ subscribers', showSubscriberBadge: true, |
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formPlaceholder: 'Your email address', formSubmitLabel: 'Subscribe Free', |
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formAction: '#', successMessage: '🎉 You\'re in! Check your inbox for a confirmation.', |
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privacyNote: 'No spam. Unsubscribe anytime.', |
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benefits: ['Proven marketing strategies that actually work', 'Tool reviews and comparisons (unbiased)', 'Real-world case studies with numbers', 'Exclusive subscriber-only resources'], |
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showBenefits: true, sampleIssues: [], showSamples: true, |
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maxWidth: 1100, paddingTop: 100, paddingBottom: 100, |
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bgColor: '#0f172a', eyebrowColor: '#818cf8', headingColor: '#f8fafc', |
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subColor: '#94a3b8', benefitColor: '#cbd5e1', checkColor: '#22d3ee', |
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inputBg: '#1e293b', inputBorder: '#334155', inputColor: '#f1f5f9', |
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submitBg: '#6366f1', submitColor: '#ffffff', privacyColor: '#64748b', |
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issueBg: '#1e293b', issueBorder: '#334155', issueTitleColor: '#f1f5f9', |
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issueDateColor: '#818cf8', issueExcerptColor: '#94a3b8', |
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subscriberBadgeBg: '#1e293b', subscriberBadgeColor: '#94a3b8', accentColor: '#6366f1' |
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}, opts); |
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|
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el.parentElement && (el.parentElement.style.background = o.bgColor); |
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|
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var inner = document.createElement('div'); |
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inner.className = 'bkbg-nls-inner'; |
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inner.style.cssText = 'max-width:' + o.maxWidth + 'px;margin:0 auto;padding:' + o.paddingTop + 'px 24px ' + o.paddingBottom + 'px;'; |
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|
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/* Header */ |
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var header = document.createElement('div'); |
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header.className = 'bkbg-nls-header'; |
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|
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var ey = document.createElement('span'); ey.className = 'bkbg-nls-eyebrow'; ey.style.color = o.eyebrowColor; ey.textContent = o.eyebrow; |
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header.appendChild(ey); |
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|
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if (o.showSubscriberBadge) { |
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var badge = document.createElement('div'); badge.className = 'bkbg-nls-subscriber-badge'; |
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badge.style.cssText = 'background:' + o.subscriberBadgeBg + ';color:' + o.subscriberBadgeColor; |
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badge.innerHTML = '👥 ' + o.subscriberCount; |
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header.appendChild(badge); |
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} |
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|
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var h2 = document.createElement('h2'); h2.className = 'bkbg-nls-heading'; h2.style.color = o.headingColor; h2.innerHTML = o.heading; |
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var sub = document.createElement('p'); sub.className = 'bkbg-nls-sub'; sub.style.color = o.subColor; sub.innerHTML = o.subtext; |
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header.appendChild(h2); header.appendChild(sub); |
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inner.appendChild(header); |
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|
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/* Grid */ |
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var grid = document.createElement('div'); grid.className = 'bkbg-nls-grid'; |
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|
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/* Left column */ |
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var left = document.createElement('div'); |
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|
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if (o.showBenefits && o.benefits && o.benefits.length) { |
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var ul = document.createElement('ul'); ul.className = 'bkbg-nls-benefits'; |
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o.benefits.forEach(function (b) { |
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var li = document.createElement('li'); li.className = 'bkbg-nls-benefit'; li.style.color = o.benefitColor; |
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var check = document.createElement('span'); check.className = 'bkbg-nls-check'; check.style.color = o.checkColor; check.textContent = '✓'; |
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li.appendChild(check); li.appendChild(document.createTextNode(b)); |
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ul.appendChild(li); |
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}); |
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left.appendChild(ul); |
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} |
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|
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var form = document.createElement('form'); |
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form.className = 'bkbg-nls-form'; form.action = o.formAction; form.method = 'post'; |
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|
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var input = document.createElement('input'); |
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input.type = 'email'; input.name = 'email'; input.required = true; |
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input.className = 'bkbg-nls-input'; input.placeholder = o.formPlaceholder; |
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input.style.cssText = 'background:' + o.inputBg + ';border-color:' + o.inputBorder + ';color:' + o.inputColor; |
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|
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var submit = document.createElement('button'); |
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submit.type = 'submit'; submit.className = 'bkbg-nls-submit'; |
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submit.style.cssText = 'background:' + o.submitBg + ';color:' + o.submitColor; |
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submit.textContent = o.formSubmitLabel; |
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|
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form.appendChild(input); form.appendChild(submit); |
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left.appendChild(form); |
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|
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var privacy = document.createElement('p'); privacy.className = 'bkbg-nls-privacy'; privacy.style.color = o.privacyColor; privacy.textContent = o.privacyNote; |
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left.appendChild(privacy); |
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|
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var success = document.createElement('p'); success.className = 'bkbg-nls-success'; |
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success.style.cssText = 'background:' + o.accentColor + '22;color:' + o.headingColor; |
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success.textContent = o.successMessage; |
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left.appendChild(success); |
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|
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form.addEventListener('submit', function (e) { |
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if (o.formAction === '#' || o.formAction === '') { |
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e.preventDefault(); form.style.display = 'none'; success.classList.add('visible'); |
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} |
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}); |
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|
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grid.appendChild(left); |
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|
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/* Right column — issues */ |
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if (o.showSamples && o.sampleIssues && o.sampleIssues.length) { |
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var right = document.createElement('div'); |
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var issuesLabel = document.createElement('span'); issuesLabel.className = 'bkbg-nls-issues-label'; issuesLabel.style.color = o.eyebrowColor; issuesLabel.textContent = 'Recent Issues'; |
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right.appendChild(issuesLabel); |
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|
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o.sampleIssues.forEach(function (issue) { |
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var card = document.createElement('div'); card.className = 'bkbg-nls-issue'; |
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card.style.cssText = 'background:' + o.issueBg + ';border-color:' + o.issueBorder; |
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var date = document.createElement('p'); date.className = 'bkbg-nls-issue-date'; date.style.color = o.issueDateColor; date.textContent = issue.date; |
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var title = document.createElement('p'); title.className = 'bkbg-nls-issue-title'; title.style.color = o.issueTitleColor; title.textContent = issue.title; |
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var excerpt = document.createElement('p'); excerpt.className = 'bkbg-nls-issue-excerpt'; excerpt.style.color = o.issueExcerptColor; excerpt.textContent = issue.excerpt; |
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card.appendChild(date); card.appendChild(title); card.appendChild(excerpt); |
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right.appendChild(card); |
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}); |
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|
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grid.appendChild(right); |
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} |
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|
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inner.appendChild(grid); |
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el.appendChild(inner); |
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|
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if (el.parentElement) { |
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typoCssVarsForEl(el.parentElement, o.headingTypo, '--bkbg-nls-ht-'); |
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typoCssVarsForEl(el.parentElement, o.subtextTypo, '--bkbg-nls-st-'); |
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} |
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}); |
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} |
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|
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if (document.readyState !== 'loading') { init(); } |
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else { document.addEventListener('DOMContentLoaded', init); } |
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})(); |
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