/* theartbook.nl — maatvoering 1-op-1 naar franktaal.art (gemeten 16 sep 2026 op 1280px) */
:root{
  --ink:#1d1d1b; --text:#707070; --muted:#999; --line:#c5c5c5; --dots:#d6d6d6;
  --footer:#3d3d3d; --gold:#c2a476;
  --serif:'Merriweather',Georgia,serif; --sans:'Lato',Helvetica,Arial,sans-serif;
  --side:64px;
}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--text);font:16px/1.7 var(--serif);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--text)}
p{margin:0}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ===== header ===== */
.site-header{height:164px;padding-inline:var(--side);display:flex;align-items:center;justify-content:space-between;background:#fff;position:relative;z-index:40}
.logo{display:block;width:100px;height:100px;display:flex;align-items:center;color:var(--ink)}
.logo-mark{font-family:var(--sans);font-weight:900;font-size:21px;line-height:.86;letter-spacing:-1.2px;color:var(--ink)}
.logo-mark small{display:block;font-size:21px}
.logo:hover .logo-mark{color:var(--ink)}
.nav{display:flex;align-items:center}
.nav a{font:600 12px/21px var(--sans);letter-spacing:1px;text-transform:uppercase;color:var(--ink);padding:5px 12px}
.nav a span{padding-bottom:3px;border-bottom:1px solid transparent;transition:border-color .2s}
.nav a:hover span,.nav a.active span{border-bottom-color:var(--ink)}
.menu-toggle{display:none;width:40px;height:40px;background:none;border:0;padding:8px;cursor:pointer;margin-right:-8px}
.menu-toggle i{display:block;height:3px;background:var(--ink);margin:5px 0;transition:transform .25s,opacity .25s}
.menu-open .menu-toggle i:first-child{transform:translateY(4px) rotate(45deg)}
.menu-open .menu-toggle i:last-child{transform:translateY(-4px) rotate(-45deg)}

/* ===== hero (slider-look) ===== */
.hero{position:relative;height:600px;overflow:hidden;background:#eee}
.hero img{width:100%;height:100%;object-fit:cover;object-position:center 58%}
.hero-caption{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 var(--side)}
.hero-caption .panel{background:rgba(255,255,255,.9);padding:28px 64px 32px}
.hero-caption h1{margin:0 0 16px;font:700 32px/1.2 var(--sans);color:var(--ink)}
.hero-caption .kicker{font:600 12px/1 var(--sans);letter-spacing:3px;text-transform:uppercase;color:var(--text);margin:0 0 12px}

/* ===== knoppen ===== */
.btn{display:inline-block;height:55px;line-height:53px;padding:0 40px;border:1px solid var(--line);background:transparent;color:var(--text);font:700 16px/53px var(--sans);letter-spacing:3px;text-transform:uppercase;transition:background .2s,color .2s,border-color .2s;cursor:pointer}
.btn:hover{background:var(--text);border-color:var(--text);color:#fff}
.btn-solid{background:var(--text);border-color:var(--text);color:#fff}
.btn-solid:hover{background:var(--ink);border-color:var(--ink)}
.btn-small{height:auto;line-height:1.4;padding:4px 18px;font-size:18px;letter-spacing:0;text-transform:none}

/* ===== secties ===== */
.spacer{height:96px}
.spacer-dots{height:96px;position:relative}
.spacer-dots::after{content:"";position:absolute;left:var(--side);right:var(--side);top:50%;border-top:1px dotted var(--dots)}
.col-wide{max-width:784px;margin:0 auto;padding-inline:0}
.col{max-width:656px;margin:0 auto}
h1.page-title{margin:16px auto;font:700 32px/1.2 var(--sans);color:var(--ink);max-width:784px}
h2.section-title{margin:16px auto;font:700 24px/1.3 var(--sans);color:var(--ink);max-width:784px;text-align:center}
.center{text-align:center}
.prose{hyphens:auto;-webkit-hyphens:auto}
.prose p{margin:0 0 27px}
.prose p.gap{margin-bottom:64px}
.prose .btn{white-space:nowrap}
.prose h2{margin:48px 0 16px;font:700 20px/1.3 var(--sans);color:var(--ink)}
.prose a{color:var(--ink);border-bottom:1px solid var(--line);hyphens:manual;-webkit-hyphens:manual;white-space:nowrap}
.prose a:hover{border-bottom-color:var(--ink)}
.float-img{float:right;width:410px;aspect-ratio:410/299;object-fit:cover;object-position:center 60%;margin:0 -40px 24px 32px}
.clear::after{content:"";display:block;clear:both}
.intro-text{margin:16px auto 32px;max-width:784px;text-align:center}

/* weldoeners als lijst zoals "De code" */
.donors{list-style:none;margin:0;padding:0}
.donors li{margin:0 0 27px;padding-left:24px;position:relative}
.donors li::before{content:"-";position:absolute;left:0;color:var(--gold)}
.donors strong{color:var(--ink);font-weight:700}

/* tentoonstellingen: kaart zoals exposities-overzicht */
.list-head{max-width:784px;margin:0 auto 24px;font:700 24px/1.3 var(--sans);color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding-inline:var(--side)}
.cards.single{grid-template-columns:minmax(0,784px);justify-content:center}
.card{display:block;color:var(--ink)}
.card:hover img{opacity:.92}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center 62%;transition:opacity .2s}
.card .meta{margin:10px 0 0;font:400 11px/1.5 var(--serif);color:var(--muted)}
.card h3{margin:2px 0 0;font:700 13px/1.4 var(--sans);color:var(--ink)}
.empty{max-width:784px;margin:0 auto;font-size:14px}

/* ===== formulier (312 + 32 + 312) ===== */
.intro-contact{max-width:784px;margin:16px auto 64px;text-align:center}
.form{display:grid;grid-template-columns:312px 312px;gap:0 32px;justify-content:center}
.form .field{margin:0 0 16px}
.form label{display:block;margin:0 0 4px;font:400 16px/27.2px var(--serif);color:var(--text)}
.form input,.form textarea{width:100%;height:48px;padding:13px 24px;border:1px solid var(--line);border-radius:0;background:#fff;color:#000;font:16px var(--serif);-webkit-appearance:none}
.form textarea{height:168px;resize:vertical;line-height:1.5}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--text)}
.form .actions{margin-top:0}
.form .req{margin:16px 0 0;font-size:16px}
.hp{position:absolute;left:-9999px}

/* ===== footer ===== */
.site-footer{background:var(--footer);color:var(--muted);font:13.44px/24px var(--serif)}
.footer-band{height:48px}
.footer-grid{display:grid;grid-template-columns:repeat(4,240px);column-gap:64px;padding:35px var(--side) 30px}
.footer-grid h4{margin:0;font:800 13.44px/17px var(--sans);color:#fff}
.footer-grid .dash{display:block;color:var(--gold);margin:7px 0 2px;line-height:17px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid a{color:var(--muted)}
.footer-grid a:hover{color:#fff}
.social li{margin:0 0 11px;line-height:12px}
.social span,.social a{display:inline-flex;align-items:center;gap:8px;font:700 12px/12px var(--sans);letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}
.social svg{width:12px;height:12px;fill:currentColor}
.social .soon{opacity:.6}

/* ===== responsive ===== */
@media (max-width:1180px){
  .footer-grid{grid-template-columns:repeat(4,1fr);column-gap:32px}
}
@media (max-width:1024px){
  :root{--side:40px}
  .site-header{height:62px;position:sticky;top:0;box-shadow:0 1px 0 rgba(0,0,0,.04)}
  .logo{width:auto;height:auto}
  .logo-mark,.logo-mark small{font-size:15px;letter-spacing:-.8px}
  .menu-toggle{display:block}
  .nav{position:fixed;inset:62px 0 0 0;background:#fff;flex-direction:column;justify-content:center;gap:10px;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s}
  .menu-open .nav{opacity:1;visibility:visible}
  .nav a{font-size:15px;letter-spacing:2px;padding:10px 12px}
  .hero{height:450px}
  .float-img{width:45%;margin:0 0 24px 32px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px}
  .spacer,.spacer-dots{height:72px}
}
@media (max-width:820px){
  .col-wide,.col,h1.page-title,.list-head,.empty,.intro-text,.intro-contact,h2.section-title{padding-inline:var(--side)}
  .form{grid-template-columns:1fr;padding-inline:var(--side)}
}
@media (max-width:600px){
  :root{--side:20px}
  .hero{height:360px}
  .hero-caption .panel{padding:20px 24px 24px}
  .hero-caption h1{font-size:24px}
  .btn{height:48px;line-height:46px;padding:0 26px;font-size:14px;letter-spacing:2px}
  h1.page-title{font-size:26px}
  .float-img{float:none;width:100%;margin:0 0 24px}
  .cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .spacer,.spacer-dots{height:56px}
}