:root{
  --ink:#183a3b;
  --muted:#66706c;
  --paper:#f7f4ee;
  --card:#fffdf9;
  --line:#ddd5c7;
  --accent:#a38b45;
  --earth:#8b684b;
  --deep:#123238;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:#253133;font-family:Arial,"Helvetica Neue",sans-serif;line-height:1.65}
a{color:var(--deep);text-decoration-color:#b8a66a;text-underline-offset:.2em}
a:hover{text-decoration-thickness:2px}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;background:white;padding:.7rem 1rem;z-index:99}
.site-header{background:#f4f0e8;border-bottom:1px solid var(--line)}
.hero-image{display:block;width:100%;height:auto;max-height:500px;object-fit:cover;object-position:center top}
.nav-wrap{background:rgba(255,253,249,.98);border-top:1px solid rgba(0,0,0,.04);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.55rem 1.25rem}
.brand-mini{display:none;font-family:Georgia,serif;color:var(--ink);font-weight:700;font-size:1.15rem;text-decoration:none}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;padding:.55rem .75rem;border-radius:.45rem;font:inherit;color:var(--ink)}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:.2rem;flex-wrap:wrap}
.main-nav a{display:block;padding:.72rem .84rem;text-decoration:none;color:var(--ink);border-bottom:3px solid transparent;font-size:.97rem}
.main-nav a:hover,.main-nav a[aria-current="page"]{border-bottom-color:var(--accent);background:#f8f5ef}
main{max-width:var(--max);margin:auto;padding:3.2rem 1.25rem 4.5rem}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;color:var(--earth);font-weight:700;margin-bottom:.35rem}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;color:var(--ink);line-height:1.2;font-weight:500}
h1{font-size:clamp(2.25rem,5vw,4.4rem);margin:.1rem 0 1rem}
h2{font-size:clamp(1.6rem,3vw,2.35rem);margin-top:0}
h3{font-size:1.35rem}
.lead{font-size:clamp(1.08rem,2vw,1.28rem);max-width:760px;color:#445052}
.intro{max-width:850px;margin-bottom:3rem}
.rule{width:86px;height:3px;background:var(--accent);border:0;margin:1.6rem 0}
.theme-grid,.invention-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;margin:2rem 0 3.2rem}
.theme-card,.invention-card{background:var(--card);border:1px solid var(--line);border-radius:.8rem;overflow:hidden;box-shadow:0 5px 18px rgba(31,48,45,.05)}
.theme-card img,.invention-card img{display:block;width:100%;height:190px;object-fit:cover;background:#eee}
.theme-card .body,.invention-card .body{padding:1.15rem 1.2rem 1.3rem}
.theme-card h3,.invention-card h2{margin:.1rem 0 .55rem}
.theme-card p,.invention-card p{margin:.4rem 0 1rem}
.more{font-weight:700;text-decoration:none;border-bottom:1px solid #b9a564}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:start;margin-top:3rem}
.panel{background:#ece9e1;border-left:4px solid var(--accent);padding:1.5rem 1.6rem;border-radius:.25rem}
.breadcrumb{font-size:.9rem;color:var(--muted);margin-bottom:1.5rem}.breadcrumb a{color:inherit}
.invention-grid{grid-template-columns:repeat(2,1fr)}
.invention-card{display:grid;grid-template-columns:190px 1fr;min-height:260px}
.invention-card img{height:100%;min-height:260px}
.badge{display:inline-block;font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--earth);font-weight:700;margin-bottom:.25rem}
.site-footer{background:var(--deep);color:#e8eee9;padding:2.3rem 1.25rem}
.footer-inner{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:end}
.site-footer h2{color:#fff;margin:0 0 .3rem;font-size:1.25rem}.site-footer p{margin:.15rem 0;color:#cfdbd6}.site-footer a{color:#fff}
.footer-nav{display:flex;gap:1rem;flex-wrap:wrap;justify-content:flex-end;font-size:.9rem}
@media(max-width:900px){
 .hero-image{max-height:none}
 .brand-mini{display:block}.menu-toggle{display:block}
 .nav-inner{flex-wrap:wrap}.main-nav{width:100%;display:none}.main-nav.open{display:block}
 .main-nav ul{display:block}.main-nav a{border-bottom:1px solid var(--line);padding:.85rem .2rem}
 .theme-grid{grid-template-columns:repeat(2,1fr)}
 .invention-grid{grid-template-columns:1fr}.split{grid-template-columns:1fr}
}
@media(max-width:620px){
 main{padding-top:2rem}.hero-image{min-height:150px;object-fit:cover;object-position:38% top}
 .theme-grid{grid-template-columns:1fr}
 .invention-card{grid-template-columns:1fr}.invention-card img{height:220px;min-height:0}
 .footer-inner{grid-template-columns:1fr}.footer-nav{justify-content:flex-start}
}

/* Astrowatch-sectie */
.subnav{margin:0 0 2.2rem;padding:.75rem 1rem;background:#efebe3;border:1px solid var(--line);border-radius:.55rem}
.subnav ul{list-style:none;margin:0;padding:0;display:flex;gap:.35rem .65rem;flex-wrap:wrap}
.subnav a{display:block;padding:.42rem .62rem;text-decoration:none;border-radius:.35rem;color:var(--ink)}
.subnav a:hover,.subnav a[aria-current="page"]{background:#fff;border-bottom:2px solid var(--accent)}
.content-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,.75fr);gap:2.6rem;align-items:start;margin:2rem 0 3rem}
.prose{max-width:780px}.prose h2{margin-top:2.25rem}.prose h2:first-child{margin-top:0}.prose h3{margin-top:1.7rem}
.figure{margin:0 0 1.35rem;background:var(--card);border:1px solid var(--line);border-radius:.65rem;overflow:hidden}
.figure img{display:block;width:100%;height:auto}.figure figcaption{padding:.72rem .9rem;color:var(--muted);font-size:.9rem}
.image-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:2rem 0}
.image-row .figure{margin:0}.image-row .figure img{height:230px;object-fit:cover}
.fact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;margin:1.4rem 0 2rem}
.fact{background:var(--card);border:1px solid var(--line);padding:1rem 1.05rem;border-radius:.55rem}
.fact strong{display:block;color:var(--ink);font-family:Georgia,"Times New Roman",serif;font-size:1.08rem;margin-bottom:.2rem}
.page-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:2rem 0 3rem}
.page-link{display:block;background:var(--card);border:1px solid var(--line);border-radius:.65rem;padding:1.15rem 1.2rem;text-decoration:none}
.page-link:hover{border-color:#b8a66a;box-shadow:0 5px 18px rgba(31,48,45,.06)}
.page-link strong{display:block;font-family:Georgia,"Times New Roman",serif;font-size:1.25rem;color:var(--ink);margin-bottom:.3rem}.page-link span{color:#4b5758}
.source-note{font-size:.92rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1rem;margin-top:2rem}
@media(max-width:850px){.content-grid{grid-template-columns:1fr}.image-row{grid-template-columns:1fr 1fr}.page-links{grid-template-columns:1fr}}
@media(max-width:560px){.fact-list,.image-row{grid-template-columns:1fr}.image-row .figure img{height:auto}.subnav ul{display:block}.subnav a{padding:.58rem .25rem;border-bottom:1px solid var(--line)}}

/* Schilderen & tekenen */
.art-strip{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(210px,1fr);gap:1rem;overflow-x:auto;padding:.35rem 0 1rem;scroll-snap-type:x proximity}
.art-strip figure{margin:0;scroll-snap-align:start}.art-strip img,.gallery-grid img{width:100%;height:220px;object-fit:cover;border-radius:10px;display:block}
.art-strip figcaption,.gallery-grid figcaption{font-size:.9rem;margin-top:.55rem;line-height:1.4}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}.gallery-grid figure{margin:0}
.gallery-grid a{display:block}.gallery-grid a:focus img,.gallery-grid a:hover img{transform:scale(1.015)}.gallery-grid img{transition:transform .18s ease}

/* Klikbare galerie / lightbox */
.gallery-lightbox-grid .gallery-item{margin:0;display:flex;flex-direction:column}
.gallery-open{border:0;background:none;padding:0;cursor:zoom-in;text-align:inherit}
.gallery-open img{width:100%;height:240px;object-fit:cover;border-radius:10px;display:block}
.gallery-item figcaption{padding:.65rem .15rem 0;line-height:1.4}
.gallery-item figcaption strong{display:block;font-size:1rem}
.gallery-item figcaption span{display:block;font-size:.88rem;opacity:.78;margin-top:.2rem}
.lightbox[hidden]{display:none}
.lightbox{position:fixed;inset:0;z-index:9999;background:rgba(14,18,18,.94);display:grid;grid-template-columns:minmax(52px,8vw) 1fr minmax(52px,8vw);align-items:center}
.lightbox-content{max-width:min(1100px,84vw);max-height:92vh;margin:auto;display:flex;flex-direction:column;align-items:center;justify-content:center}
.lightbox-image{max-width:100%;max-height:78vh;object-fit:contain;display:block}
.lightbox-caption{color:#fff;text-align:center;padding:.9rem 1rem .2rem;max-width:850px}
.lightbox-caption strong{display:block;font-size:1.08rem}
.lightbox-caption span{display:block;font-size:.94rem;opacity:.82;margin-top:.25rem}
.lightbox-close,.lightbox-prev,.lightbox-next{border:0;background:transparent;color:#fff;cursor:pointer}
.lightbox-close{position:absolute;top:12px;right:18px;font-size:2.6rem;line-height:1;z-index:2}
.lightbox-prev,.lightbox-next{height:100%;font-size:4rem;opacity:.8}
.lightbox-prev:hover,.lightbox-next:hover,.lightbox-close:hover{opacity:1}
body.lightbox-open{overflow:hidden}
@media(max-width:700px){
 .gallery-lightbox-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .gallery-open img{height:180px}
 .lightbox{grid-template-columns:44px 1fr 44px}
 .lightbox-content{max-width:calc(100vw - 88px)}
 .lightbox-prev,.lightbox-next{font-size:3rem}
}