:root{
      --purple:#2563eb;--purple-dark:#1e3a5f;--purple-mid:#1d4ed8;
      --purple-pale:#dbeafe;--purple-bg:#eff6ff;
      --navy:#1e1b4b;--text:#1e293b;--text-muted:#64748b;--text-light:#94a3b8;
      --bg:#ffffff;--bg-soft:#f8fafc;--border:#e2e8f0;
      --green:#22c55e;--green-bg:#dcfce7;--green-text:#15803d;
      --radius:16px;--radius-sm:10px;
      --shadow-sm:0 1px 3px rgba(0,0,0,.07),0 2px 8px rgba(0,0,0,.05);
      --shadow:0 4px 20px rgba(0,0,0,.09);
    }
body{font-family:"Inter",system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:1.05rem}
a{color:#2563eb;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 32px}
/* NAV */
    header{background:#1e3a5f;border-bottom:none;position:sticky;top:0;z-index:100}
nav{display:flex;align-items:center;justify-content:space-between;padding:0 32px;max-width:1100px;margin:0 auto;height:64px;gap:16px}
.nav-brand{font-weight:700;font-size:.95rem;color:#fff}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{color:rgba(255,255,255,.85);font-size:.875rem;padding:7px 14px;border-radius:8px;transition:color .15s,background .15s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.18);text-decoration:none}
.nav-links a.active{color:#fff;font-weight:700}
/* PAGE HEADER */
    .page-header{
      background:linear-gradient(135deg, #1e3a5f 0%, #3730a3 100%);
      padding:72px 0 64px;
    }
.page-header .eyebrow{color:rgba(255,255,255,.7);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;margin-bottom:12px}
h1{font-family:"Playfair Display",Georgia,serif;font-size:clamp(2.2rem,4vw,3rem);font-weight:800;color:#fff;line-height:1.15;letter-spacing:-.01em;margin-bottom:16px}
.page-header-lead{color:rgba(255,255,255,.82);font-size:1.05rem;max-width:560px;line-height:1.7}
/* FILTER TAGS */
    .filter-bar{display:flex;gap:8px;flex-wrap:wrap;padding:32px 0 0}
.filter-tag{
      padding:6px 16px;border-radius:20px;font-size:.8rem;font-weight:600;
      cursor:pointer;border:1.5px solid var(--border);background:#fff;color:var(--text-muted);
      transition:all .15s;
    }
.filter-tag:hover{border-color:#2563eb;color:#2563eb}
.filter-tag.active{background:#2563eb;color:#fff;border-color:#2563eb}
/* SECTIONS */
    .section{padding:72px 0}
.section-grey{background:var(--bg-soft)}
.eyebrow{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#2563eb;margin-bottom:10px}
h2{font-family:"Playfair Display",Georgia,serif;font-size:clamp(1.7rem,3vw,2.2rem);font-weight:700;color:var(--navy);line-height:1.2;margin-bottom:8px}
.section-lead{color:var(--text-muted);margin-bottom:40px}
/* FEATURED ARTICLE */
    .featured-card{
      display:grid;grid-template-columns:1fr 1fr;
      background:#fff;border:1px solid var(--border);border-radius:20px;
      overflow:hidden;box-shadow:var(--shadow);margin-bottom:56px;
    }
.featured-img-wrap{background:#eff6ff;min-height:340px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.featured-img-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-light)}
.featured-img-placeholder svg{width:64px;height:64px;opacity:.4}
.featured-img-placeholder span{font-size:.85rem}
.featured-content{padding:40px}
.featured-meta{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.cat-tag{font-size:.7rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;padding:3px 10px;border-radius:20px;background:#dbeafe;color:#2563eb}
.art-date{font-size:.78rem;color:var(--text-light)}
.art-read{font-size:.78rem;color:var(--text-light)}
.featured-content h3{font-family:"Playfair Display",serif;font-size:1.6rem;font-weight:700;color:var(--navy);line-height:1.25;margin-bottom:12px}
.featured-content p{font-size:.9rem;color:var(--text-muted);line-height:1.7;margin-bottom:24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:var(--radius-sm);font-weight:600;font-size:.875rem;cursor:pointer;border:none;transition:all .15s;line-height:1;text-decoration:none}
.btn-primary{background:#2563eb;color:#fff}
.btn-primary:hover{background:#1d4ed8;text-decoration:none}
.btn-outline{background:#fff;color:var(--text);border:1.5px solid var(--border)}
.btn-outline:hover{border-color:#2563eb;color:#2563eb;text-decoration:none}
/* BLOG GRID */
    .blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-card{
      background:#fff;border:1px solid var(--border);border-radius:var(--radius);
      overflow:hidden;box-shadow:var(--shadow-sm);
      transition:box-shadow .2s,border-color .2s;display:flex;flex-direction:column;
    }
.blog-card:hover{box-shadow:var(--shadow);border-color:#93c5fd}
.blog-img{height:180px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.blog-img-inner{width:100%;height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;color:var(--text-light)}
.blog-img-inner svg{width:40px;height:40px;opacity:.35}
.blog-img-inner span{font-size:.75rem}
/* Category color accents */
    .bg-cat-hulpmiddelen{background:linear-gradient(135deg,#dbeafe 0%,#bfdbfe 100%)}
.bg-cat-glaucoom{background:#f1f5f9}
.bg-cat-ogen{background:#f1f5f9}
.bg-cat-staar{background:#f1f5f9}
.bg-cat-nieuws{background:#f1f5f9}
.bg-cat-tips{background:#f1f5f9}
.cat-hulpmiddelen{background:#dbeafe;color:#2563eb}
.cat-glaucoom{background:#e0f2fe;color:#0369a1}
.cat-ogen{background:#f1f5f9;color:#475569}
.cat-staar{background:#f1f5f9;color:#475569}
.cat-nieuws{background:#f1f5f9;color:#475569}
.cat-tips{background:#f1f5f9;color:#475569}
.blog-body{padding:20px;flex:1;display:flex;flex-direction:column}
.blog-meta{display:flex;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.blog-title{font-family:"Playfair Display",serif;font-size:1.05rem;font-weight:700;color:var(--navy);line-height:1.3;margin-bottom:8px;flex:1}
.blog-excerpt{font-size:.84rem;color:var(--text-muted);line-height:1.6;margin-bottom:16px;flex:1}
.blog-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.blog-read-link{font-size:.8rem;font-weight:600;color:#2563eb;display:flex;align-items:center;gap:4px}
.blog-read-link:hover{text-decoration:none;color:#1d4ed8}
/* NEWSLETTER */
    .newsletter-box{
      background:#eff6ff;border:1px solid #bfdbfe;
      border-radius:var(--radius);padding:40px;
      display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
    }
.newsletter-box h3{font-family:"Playfair Display",serif;font-size:1.3rem;font-weight:700;color:var(--navy);margin-bottom:6px}
.newsletter-box p{font-size:.875rem;color:var(--text-muted)}
.newsletter-form{display:flex;gap:10px}
.newsletter-input{
      padding:10px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
      font-family:"Inter",sans-serif;font-size:.875rem;color:var(--text);
      background:#fff;min-width:220px;outline:none;
    }
.newsletter-input:focus{border-color:#2563eb}
/* TOPICS */
    .topics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.topic-card{
      background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
      padding:16px 18px;display:flex;align-items:center;gap:12px;
      box-shadow:var(--shadow-sm);transition:border-color .15s,box-shadow .15s;cursor:pointer;
    }
.topic-card:hover{border-color:#2563eb;box-shadow:var(--shadow)}
.topic-icon{width:36px;height:36px;border-radius:9px;background:#dbeafe;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.topic-icon svg{width:16px;height:16px;color:#2563eb}
.topic-label{font-size:.875rem;font-weight:600;color:var(--navy)}
.topic-count{font-size:.75rem;color:var(--text-light);margin-top:1px}
/* FOOTER */
    footer{background:#1e3a5f;border-top:none;padding:56px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand{font-weight:700;color:#fff;font-size:.95rem;margin-bottom:14px}
.footer-desc{font-size:.85rem;color:rgba(255,255,255,.75);max-width:280px;line-height:1.65}
.footer-col h4{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.8);font-size:.875rem}
@media(max-width:900px){
      .featured-card{grid-template-columns:1fr}
      .featured-img-wrap{min-height:220px}
      .blog-grid{grid-template-columns:repeat(2,1fr)}
      .newsletter-box{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
@media(max-width:640px){
      .container{padding:0 16px}
      nav{padding:0 16px}
      .blog-grid{grid-template-columns:1fr}
      .newsletter-form{flex-direction:column}
      .newsletter-input{min-width:0;width:100%}
    }
:root{
  --navy:#13395e;--navy-2:#0f2e4d;
  --blue:#1f6fd4;--blue-dark:#1858b0;--blue-pale:#e8f1fc;--blue-bg:#f1f7fe;
  --green:#15a34a;--green-bg:#e3f6e9;--green-text:#11713a;
  --amber:#b6791f;--amber-bg:#fff7e6;--amber-text:#8a5a12;
  --text:#23303d;--muted:#46586a;
  --bg:#ffffff;--bg-soft:#f4f8fc;--line:#dde5ee;
  --radius:18px;--radius-sm:12px;
  --shadow-sm:0 1px 3px rgba(16,42,67,.08),0 3px 12px rgba(16,42,67,.06);
  --shadow:0 10px 34px rgba(16,42,67,.13);
}
body{font-family:"Inter",system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:1rem}
a{color:var(--blue);text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 32px}
.narrow{max-width:760px;margin:0 auto;padding:0 32px}
header{background:var(--navy);position:sticky;top:0;z-index:100;box-shadow:0 2px 14px rgba(16,42,67,.18)}
nav{display:flex;align-items:center;justify-content:space-between;padding:0 32px;max-width:1120px;margin:0 auto;min-height:74px;gap:16px;flex-wrap:wrap}
.nav-brand{font-weight:700;font-size:1.15rem;color:#fff}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-links a{color:rgba(255,255,255,.9);font-size:1rem;font-weight:500;padding:10px 16px;border-radius:10px;transition:.15s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.16);text-decoration:none}
.nav-links a.active{color:#fff;font-weight:700;background:rgba(255,255,255,.14)}
.art-hero{background:linear-gradient(135deg,#13395e 0%,#1d4f86 100%);padding:48px 0 56px}
.crumb{font-size:.95rem;color:rgba(255,255,255,.75);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.9)}
.cat-tag{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:rgba(255,255,255,.16);color:#fff;padding:5px 14px;border-radius:30px;margin-bottom:18px}
.art-hero h1{font-family:"Playfair Display",Georgia,serif;font-size:clamp(2.1rem,4vw,3rem);font-weight:800;color:#fff;line-height:1.15;margin-bottom:18px;max-width:820px}
.art-meta{font-size:.98rem;color:rgba(255,255,255,.8)}
.art-body{padding:60px 0 40px}
.art-body p{color:var(--text);font-size:1.13rem;line-height:1.8;margin-bottom:22px}
.art-body .lead{font-size:1.25rem;color:var(--muted);line-height:1.65;margin-bottom:30px}
.art-body h2{font-family:"Playfair Display",Georgia,serif;font-size:clamp(1.5rem,2.5vw,2rem);font-weight:700;color:var(--navy);line-height:1.25;margin:42px 0 14px}
.art-body h3{font-size:1.25rem;font-weight:700;color:var(--navy);margin:28px 0 10px}
.art-body ul{list-style:none;margin:8px 0 24px}
.art-body ul li{position:relative;padding-left:30px;margin-bottom:12px;font-size:1.13rem;line-height:1.7;color:var(--text)}
.art-body ul li::before{content:"";position:absolute;left:4px;top:11px;width:9px;height:9px;border-radius:50%;background:var(--blue)}
.art-body a{font-weight:600}
.note{background:var(--amber-bg);border:1px solid #f0d399;border-radius:var(--radius-sm);padding:20px 24px;margin:28px 0}
.note p{color:var(--amber-text);font-size:1.05rem;margin:0}
.cta-box{background:var(--navy);border-radius:var(--radius);padding:40px;margin:48px 0 8px;color:#fff}
.cta-box h2{font-family:"Playfair Display",serif;color:#fff;font-size:1.6rem;margin:0 0 12px}
.cta-box p{color:rgba(255,255,255,.85);font-size:1.1rem;margin:0 0 24px}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--blue);color:#fff;font-weight:700;font-size:1.08rem;padding:16px 32px;border-radius:12px;text-decoration:none}
.btn:hover{background:var(--blue-dark);text-decoration:none}
.related{background:var(--bg-soft);padding:56px 0}
.related h2{font-family:"Playfair Display",serif;color:var(--navy);font-size:1.7rem;margin-bottom:24px}
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px 26px;box-shadow:var(--shadow-sm);display:block}
.rel-card:hover{box-shadow:var(--shadow);text-decoration:none;border-color:#b9d4f2}
.rel-card .rc-tag{font-size:.78rem;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.05em}
.rel-card h3{font-family:"Playfair Display",serif;color:var(--navy);font-size:1.2rem;margin:8px 0 0;line-height:1.3}
footer{background:var(--navy);padding:60px 0 34px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:40px}
.footer-brand{font-weight:700;color:#fff;font-size:1.1rem;margin-bottom:14px}
.footer-desc{font-size:1rem;color:rgba(255,255,255,.8);max-width:320px;line-height:1.7}
.footer-col h4{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.65);margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{color:rgba(255,255,255,.85);font-size:1rem}
@media(max-width:760px){.rel-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}}