/* LeadFlow CRM Blog — Shared Stylesheet */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --gradient: linear-gradient(135deg, #2563eb 0%, #6366f1 100%);
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg: #ffffff;
  --bg-secondary: #f8fafc;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow: 0 4px 16px rgba(0,0,0,.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
  --radius: 12px;
  --radius-lg: 20px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --bg: #0f172a;
    --bg-secondary: #1e293b;
    --border: #334155;
    --border-light: #1e293b;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
    --shadow: 0 4px 16px rgba(0,0,0,.4);
  }
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* Progress Bar */
#progress-bar{position:fixed;top:0;left:0;height:3px;background:var(--gradient);width:0%;z-index:1000;transition:width .1s linear}

/* Navigation */
.blog-nav{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);z-index:500;padding:0 1.5rem}
@media(prefers-color-scheme:dark){.blog-nav{background:rgba(15,23,42,.95)}}
.blog-nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.blog-logo{display:flex;align-items:center;gap:.625rem;font-weight:800;font-size:1.125rem;color:var(--text);text-decoration:none}
.blog-logo-icon{width:36px;height:36px;background:var(--gradient);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:1rem;flex-shrink:0}
.blog-logo-img{height:36px;width:36px;border-radius:10px;flex-shrink:0;object-fit:cover}
.blog-nav-links{display:flex;align-items:center;gap:1.5rem}
.blog-nav-links a{font-size:.875rem;font-weight:600;color:var(--text-muted);text-decoration:none;transition:color .2s}
.blog-nav-links a:hover{color:var(--blue);text-decoration:none}
.blog-nav-cta{background:var(--gradient);color:#fff!important;padding:.5rem 1.25rem;border-radius:50px;font-size:.875rem!important;font-weight:700!important;transition:opacity .2s,transform .2s!important;white-space:nowrap}
.blog-nav-cta:hover{opacity:.9;transform:translateY(-1px);text-decoration:none!important}
.back-to-blog{display:inline-flex;align-items:center;gap:.375rem;font-size:.875rem;color:var(--text-muted);font-weight:500}
.back-to-blog:hover{color:var(--blue);text-decoration:none}

/* Hero / Page Header */
.page-hero{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:3.5rem 1.5rem 2.5rem}
.page-hero-inner{max-width:1200px;margin:0 auto}
.page-hero h1{font-size:clamp(1.75rem,4vw,3rem);font-weight:800;line-height:1.2;margin-bottom:.75rem;letter-spacing:-.03em}
.page-hero p{font-size:1.125rem;color:var(--text-muted);max-width:640px}
.tag{display:inline-block;padding:.25rem .75rem;border-radius:50px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem}
.tag-blog{background:#ede9fe;color:#7c3aed}
.tag-category{background:#dbeafe;color:#1d4ed8}
.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.8125rem;color:var(--text-light);margin-bottom:1rem;flex-wrap:wrap}
.breadcrumb a{color:var(--text-muted);font-weight:500}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb span{color:var(--text-light)}

/* Blog Grid */
.blog-grid-section{padding:4rem 1.5rem}
.blog-grid-section-inner{max-width:1200px;margin:0 auto}
.section-label{font-size:.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--primary);margin-bottom:2.5rem}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem}
.blog-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);text-decoration:none}
.blog-card-thumb{height:180px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:3rem;position:relative;overflow:hidden}
.blog-card-thumb-overlay{position:absolute;inset:0;background:rgba(0,0,0,.15)}
.blog-card-body{padding:1.5rem;flex:1;display:flex;flex-direction:column}
.blog-card-tag{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--primary);margin-bottom:.625rem}
.blog-card h2{font-size:1.125rem;font-weight:700;line-height:1.35;margin-bottom:.625rem;color:var(--text)}
.blog-card h2 a{color:inherit;text-decoration:none}
.blog-card h2 a:hover{color:var(--blue);text-decoration:none}
.blog-card p{font-size:.875rem;color:var(--text-muted);line-height:1.6;flex:1;margin-bottom:1rem}
.blog-card-meta{display:flex;align-items:center;gap:.75rem;font-size:.75rem;color:var(--text-light)}
.blog-card-meta span{display:flex;align-items:center;gap:.25rem}
.read-more{display:inline-flex;align-items:center;gap:.375rem;font-size:.8125rem;font-weight:700;color:var(--blue);margin-top:.875rem}
.read-more:hover{text-decoration:none;gap:.625rem}

/* Article Layout */
.article-layout{max-width:1200px;margin:0 auto;padding:2.5rem 1.5rem;display:grid;grid-template-columns:1fr 280px;gap:3rem;align-items:start}
@media(max-width:900px){.article-layout{grid-template-columns:1fr}.article-toc{display:none}}
.article-main{min-width:0}

/* Article Header */
.article-header{margin-bottom:2rem}
.article-header h1{font-size:clamp(1.75rem,3.5vw,2.625rem);font-weight:800;line-height:1.2;letter-spacing:-.035em;margin-bottom:1rem}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;padding:1rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:1.5rem}
.article-author{display:flex;align-items:center;gap:.75rem}
.article-author-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.875rem;flex-shrink:0}
.article-author-info{font-size:.8125rem}
.article-author-info strong{display:block;color:var(--text);font-weight:700}
.article-author-info span{color:var(--text-muted)}
.article-stats{display:flex;gap:1rem;font-size:.8125rem;color:var(--text-muted)}

/* Article Body Typography */
.article-body{font-size:1.0625rem;line-height:1.85;color:var(--text)}
.article-body h2{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;margin:2.5rem 0 1rem;line-height:1.3;color:var(--text)}
.article-body h3{font-size:1.1875rem;font-weight:700;margin:1.75rem 0 .75rem;color:var(--text)}
.article-body p{margin-bottom:1.25rem}
.article-body ul,.article-body ol{margin:1rem 0 1.25rem 1.5rem}
.article-body li{margin-bottom:.5rem}
.article-body strong{font-weight:700;color:var(--text)}
.article-body blockquote{border-left:4px solid var(--primary);padding:.75rem 1.25rem;background:var(--bg-secondary);border-radius:0 var(--radius) var(--radius) 0;margin:1.5rem 0;font-style:italic;color:var(--text-muted)}
.article-body hr{border:none;border-top:1px solid var(--border);margin:2rem 0}
.highlight-box{background:linear-gradient(135deg,#ede9fe,#dbeafe);border:1px solid #c4b5fd;border-radius:var(--radius);padding:1.25rem 1.5rem;margin:1.75rem 0}
.highlight-box p{margin:0;color:#3730a3;font-weight:500}

/* TOC */
.article-toc{position:sticky;top:80px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem}
.toc-title{font-size:.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:1rem}
.toc-list{list-style:none;padding:0;margin:0}
.toc-list li{margin-bottom:.375rem}
.toc-list a{font-size:.875rem;color:var(--text-muted);line-height:1.5;display:block;padding:.1875rem 0;transition:color .15s}
.toc-list a:hover,.toc-list a.active{color:var(--blue);text-decoration:none;font-weight:600}
.toc-list a.active{border-left:2px solid var(--blue);padding-left:.5rem;margin-left:-.5rem}

/* CTA Banner */
.cta-banner{background:var(--gradient);color:#fff;border-radius:var(--radius-lg);padding:2rem 2.5rem;margin:3rem 0;display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap}
.cta-banner h3{font-size:1.375rem;font-weight:800;margin-bottom:.375rem}
.cta-banner p{font-size:.9375rem;opacity:.9}
.cta-banner-btn{background:#fff;color:var(--blue);padding:.875rem 2rem;border-radius:50px;font-weight:800;font-size:.9375rem;white-space:nowrap;flex-shrink:0;transition:transform .2s,opacity .2s;display:inline-block}
.cta-banner-btn:hover{transform:translateY(-2px);opacity:.95;text-decoration:none}

/* Author Bio */
.author-bio{display:flex;gap:1.25rem;padding:2rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);margin:2.5rem 0;align-items:flex-start}
.author-bio-avatar{width:64px;height:64px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.375rem;flex-shrink:0}
.author-bio-content{}
.author-bio-name{font-size:1rem;font-weight:700;margin-bottom:.25rem}
.author-bio-role{font-size:.8125rem;color:var(--primary);font-weight:600;margin-bottom:.5rem}
.author-bio-text{font-size:.875rem;color:var(--text-muted);line-height:1.6}

/* Related Articles */
.related-section{padding:2.5rem 0 0;border-top:1px solid var(--border)}
.related-section h3{font-size:1.125rem;font-weight:700;margin-bottom:1.5rem}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.25rem}
.related-card{border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;transition:border-color .2s,box-shadow .2s;display:block;color:inherit;text-decoration:none}
.related-card:hover{border-color:var(--blue);box-shadow:var(--shadow-sm);text-decoration:none;color:inherit}
.related-card-tag{font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);margin-bottom:.5rem}
.related-card h4{font-size:.9375rem;font-weight:700;line-height:1.4;color:var(--text);margin-bottom:.375rem}
.related-card p{font-size:.8125rem;color:var(--text-muted);line-height:1.5}

/* Share Buttons */
.share-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;padding:1.5rem 0;border-top:1px solid var(--border);margin-top:2.5rem}
.share-label{font-size:.875rem;font-weight:700;color:var(--text-muted)}
.share-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:50px;font-size:.8125rem;font-weight:600;border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;transition:all .2s;text-decoration:none}
.share-btn:hover{background:var(--bg-secondary);border-color:var(--primary);color:var(--primary);text-decoration:none}
.share-btn.whatsapp{border-color:#25D366;color:#25D366}
.share-btn.whatsapp:hover{background:#25D366;color:#fff}

/* FAQ Section */
.faq-section{margin:2.5rem 0}
.faq-section h2{font-size:1.375rem;font-weight:700;margin-bottom:1.5rem}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem;overflow:hidden}
.faq-question{width:100%;text-align:left;padding:1rem 1.25rem;font-size:.9375rem;font-weight:600;color:var(--text);background:var(--bg);border:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;line-height:1.4}
.faq-answer{padding:0 1.25rem;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;font-size:.9375rem;color:var(--text-muted);line-height:1.6}
.faq-item.open .faq-answer{padding:.75rem 1.25rem 1.25rem;max-height:400px}
.faq-chevron{flex-shrink:0;transition:transform .3s;font-size:.75rem}
.faq-item.open .faq-chevron{transform:rotate(180deg)}

/* Footer */
.blog-footer{background:#0f172a;color:#94a3b8;padding:3.5rem 1.5rem 2rem}
.blog-footer-inner{max-width:1200px;margin:0 auto}
.blog-footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:2rem;margin-bottom:2.5rem}
.blog-footer h4{color:#f1f5f9;font-size:.875rem;font-weight:700;margin-bottom:1rem}
.blog-footer ul{list-style:none;padding:0}
.blog-footer ul li{margin-bottom:.5rem}
.blog-footer ul li a{color:#94a3b8;font-size:.875rem;transition:color .15s}
.blog-footer ul li a:hover{color:#f1f5f9;text-decoration:none}
.blog-footer-bottom{padding-top:2rem;border-top:1px solid #1e293b;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;font-size:.8125rem}
.blog-footer-logo{display:flex;align-items:center;gap:.5rem;color:#f1f5f9;font-weight:800;font-size:1rem;text-decoration:none;margin-bottom:1rem}
.blog-footer-logo-icon{width:30px;height:30px;background:var(--gradient);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:.875rem}
.blog-footer-logo-img{height:28px;width:28px;border-radius:8px;object-fit:cover}

/* Utilities */
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}

/* Table mobile fix — all blog comparison tables scroll horizontally */
.blog-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.5rem 0}
.blog-table-wrap table{min-width:600px;width:100%;border-collapse:collapse}
.blog-table-wrap th,.blog-table-wrap td{padding:.75rem 1rem;border:1px solid var(--border);font-size:.875rem;color:var(--text)}
.blog-table-wrap th{background:var(--bg-secondary);font-weight:700;color:var(--text-muted);text-align:left;white-space:nowrap}

/* Light mode safety — ensure article body text is never white on white */
@media (prefers-color-scheme: light){
  .article-body,.article-body h2,.article-body h3,.article-body p,.article-body li{color:var(--text)}
  .page-hero h1,.page-hero p{color:var(--text)}
  .faq-question{color:var(--text)}
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
@media(max-width:640px){
  .page-hero{padding:2rem 1rem 1.5rem}
  .blog-grid-section{padding:2.5rem 1rem}
  .article-layout{padding:1.5rem 1rem}
  .cta-banner{padding:1.5rem}
  .cta-banner-btn{width:100%}
  .blog-card-thumb{height:140px}
  .blog-nav-links{gap:.75rem}
}