/* Offertje blog styles */
:root{--font-sans:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--indigo:#6366f1;--indigo-600:#4f46e5;--indigo-700:#4338ca;--indigo-glow:rgba(99,102,241,.45);--ink:#0f172a;--ink-700:#1e293b;--slate-600:#475569;--slate-500:#64748b;--slate-400:#94a3b8;--line:#e2e8f0;--line-soft:#f1f5f9;--bg:#fff;--bg-soft:#f8fafc;--bg-indigo:#eef2ff;--radius:16px;--radius-lg:24px;--shadow-sm:0 1px 2px rgba(15,23,42,.06);--shadow-md:0 10px 30px -12px rgba(15,23,42,.18);--shadow-lg:0 30px 60px -20px rgba(15,23,42,.28);--shadow-glow:0 18px 40px -12px var(--indigo-glow);--maxw:1140px;--ease:cubic-bezier(.16,1,.3,1)}
*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{font-family:var(--font-sans);color:var(--ink-700);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--indigo-600);background:var(--bg-indigo);border:1px solid #e0e7ff;padding:6px 14px;border-radius:999px}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.02em;line-height:1.2;font-weight:800}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:inherit;font-weight:700;font-size:1rem;padding:14px 26px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease);white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:linear-gradient(135deg,var(--indigo),var(--indigo-700));color:#fff;box-shadow:var(--shadow-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 50px -14px var(--indigo-glow)}
.btn-lg{padding:17px 32px;font-size:1.05rem}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--indigo),var(--indigo-700));display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-glow)}
.brand-mark svg{width:19px;height:19px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.95rem;font-weight:600;color:var(--slate-600)}
.nav-links a:hover{color:var(--ink)}
/* breadcrumb */
.post-wrap{padding-bottom:40px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--slate-500);padding:28px 0 0}
.breadcrumb a:hover{color:var(--indigo-600)}
.breadcrumb span{color:var(--slate-400)}
/* hero */
.post-hero{max-width:760px;padding:24px 0 36px;border-bottom:1px solid var(--line);margin-bottom:40px}
.post-tag{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--indigo-600)}
.post-hero h1{font-size:clamp(2rem,4.6vw,3rem);margin:14px 0 18px;line-height:1.12}
.post-lead{font-size:1.2rem;color:var(--slate-600)}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:22px;color:var(--slate-500);font-size:.9rem;font-weight:600}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--slate-400)}
/* layout */
.post-layout{display:grid;grid-template-columns:240px 1fr;gap:56px;align-items:start}
.post-toc .toc-sticky{position:sticky;top:96px}
.toc-title{display:block;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--slate-400);margin-bottom:14px}
.post-toc nav{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line)}
.post-toc nav a{font-size:.9rem;color:var(--slate-600);padding:7px 0 7px 16px;margin-left:-2px;border-left:2px solid transparent;transition:color .2s,border-color .2s}
.post-toc nav a:hover{color:var(--indigo-600);border-left-color:var(--indigo)}
.toc-cta{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-weight:700;font-size:.9rem;color:var(--indigo-600)}
/* content */
.post-content{max-width:760px;font-size:1.07rem;color:var(--ink-700)}
.post-content h2{font-size:1.7rem;margin:44px 0 16px;scroll-margin-top:96px}
.post-content h3{font-size:1.3rem;margin:32px 0 12px}
.post-content p{margin-bottom:18px}
.post-content ul,.post-content ol{margin:0 0 20px 0;padding-left:24px}
.post-content li{margin-bottom:10px}
.post-content a{color:var(--indigo-600);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.post-content strong{color:var(--ink);font-weight:700}
.post-content blockquote{border-left:4px solid var(--indigo);background:var(--bg-soft);padding:18px 24px;border-radius:0 12px 12px 0;margin:0 0 22px;color:var(--ink-700);font-weight:500}
.post-content table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:.97rem}
.post-content th{text-align:left;background:var(--bg-soft);padding:12px 14px;border-bottom:2px solid var(--line);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--slate-600)}
.post-content td{padding:12px 14px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.post-content tr:last-child td{border-bottom:none}
/* callout & takeaways */
.callout{display:flex;gap:14px;background:var(--bg-indigo);border:1px solid #e0e7ff;border-radius:14px;padding:18px 20px;margin:0 0 24px}
.callout svg{width:22px;height:22px;color:var(--indigo-600);flex-shrink:0;margin-top:2px}
.callout p{margin:0;font-size:1rem}
.key-takeaways{background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;padding:24px 26px;margin:0 0 32px}
.key-takeaways strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--indigo-600);margin-bottom:12px}
.key-takeaways ul{margin:0;padding-left:20px}
/* cta box */
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:linear-gradient(135deg,#eef2ff,#f8fafc);border:1px solid #e0e7ff;border-radius:18px;padding:26px 28px;margin:32px 0}
.cta-box strong{display:block;font-size:1.2rem;color:var(--ink);margin-bottom:6px}
.cta-box p{margin:0;color:var(--slate-600);font-size:.98rem;max-width:460px}
.cta-box-btn{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--indigo),var(--indigo-700));color:#fff;font-weight:700;padding:14px 24px;border-radius:12px;box-shadow:var(--shadow-glow);white-space:nowrap;transition:transform .3s var(--ease)}
.cta-box-btn:hover{transform:translateY(-2px)}
.cta-box-btn svg{width:18px;height:18px}
/* faq */
.post-faq{max-width:760px;margin-top:48px}
.post-faq h2{font-size:1.7rem;margin-bottom:18px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;background:none;border:none;text-align:left;font-family:inherit;font-size:1.08rem;font-weight:700;color:var(--ink);padding:20px 40px 20px 0;cursor:pointer;position:relative;display:flex;justify-content:space-between;gap:16px}
.faq-q::after{content:"+";position:absolute;right:4px;font-size:1.5rem;font-weight:400;color:var(--indigo);transition:transform .3s var(--ease)}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a-inner{padding:0 0 20px;color:var(--slate-600)}
.faq-a-inner a{color:var(--indigo-600);font-weight:600}
/* related */
.related{max-width:1140px;margin-top:56px}
.related h2{font-size:1.5rem;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.related-card h3{font-size:1.05rem;margin:10px 0 8px;line-height:1.3}
.related-card p{color:var(--slate-600);font-size:.92rem}
/* hub */
.hub-hero{padding:56px 0 40px;background:radial-gradient(600px 280px at 80% 0%,rgba(99,102,241,.12),transparent 70%)}
.hub-hero h1{font-size:clamp(2.2rem,5vw,3.3rem);margin:16px 0 14px}
.hub-hero p{font-size:1.15rem;color:var(--slate-600);max-width:620px}
.hub-featured{display:grid;grid-template-columns:1fr 1.2fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:56px;box-shadow:var(--shadow-sm);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.hub-featured:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.hub-featured-cover{background:linear-gradient(135deg,var(--indigo),var(--indigo-700));min-height:240px}
.hub-featured-body{padding:clamp(28px,4vw,44px)}
.hub-featured-body h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:14px 0 14px}
.hub-featured-body p{color:var(--slate-600);font-size:1.05rem;margin-bottom:18px}
.hub-cat{margin-bottom:48px}
.hub-cat-head{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.hub-cat-head h2{font-size:1.5rem}
.hub-cat-head::after{content:"";flex:1;height:1px;background:var(--line)}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.post-cover{height:8px;background:linear-gradient(90deg,var(--indigo),var(--indigo-700))}
.post-card .post-body{padding:24px;display:flex;flex-direction:column;flex:1}
.post-card h3{font-size:1.12rem;margin:10px 0 8px;line-height:1.3}
.post-card p{color:var(--slate-600);font-size:.93rem;flex:1}
.post-more{margin-top:16px;font-weight:700;color:var(--indigo-600);font-size:.92rem;display:inline-flex;align-items:center;gap:6px}
/* cta band */
.cta-band{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:linear-gradient(135deg,var(--indigo-700),var(--indigo));color:#fff;text-align:center;padding:clamp(48px,7vw,76px) 24px;margin:24px 0 64px}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,4vw,2.5rem);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.85);font-size:1.08rem;max-width:520px;margin:0 auto 28px}
.cta-band .btn-primary{background:#fff;color:var(--indigo-700);box-shadow:0 18px 40px -12px rgba(0,0,0,.4)}
/* footer */
.site-footer{background:var(--ink);color:#cbd5e1;padding:64px 0 32px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand p{color:var(--slate-400);font-size:.95rem;max-width:320px}
.footer-col h4{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.footer-col a{display:block;color:var(--slate-400);font-size:.93rem;padding:6px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:28px;color:var(--slate-500);font-size:.88rem}
/* responsive */
@media(max-width:960px){.post-layout{grid-template-columns:1fr}.post-toc{display:none}.related-grid{grid-template-columns:1fr}.hub-featured{grid-template-columns:1fr}.post-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.nav-links{display:none}.post-grid{grid-template-columns:1fr}.cta-box{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr;gap:28px}.post-content{font-size:1.02rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}