/* VerlofSlim - gedeelde stijlen */
:root{
  --bg:#f4f7f8; --surface:#ffffff; --ink:#0f1f2e; --muted:#4f5f6e; --line:#d7e0e6;
  --brand:#0a5c8a; --brand-ink:#ffffff; --brand-soft:#e3f0f8;
  --leave:#f5b301; --leave-ink:#2b2000; --leave-soft:#fff3cc;
  --holiday:#0a5c8a; --weekend:#e3e9ed; --weekend-ink:#42525f;
  --warn:#8a3a0c; --warn-soft:#ffeadb;
  --shadow:0 1px 2px rgba(15,31,46,.06),0 8px 24px -12px rgba(15,31,46,.18);
  --r:14px; --r-sm:8px;
  --font-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-head:"Bricolage Grotesque","Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0c1520; --surface:#14212e; --ink:#e8eef3; --muted:#a2b2c0; --line:#26394a;
    --brand:#6cb8ee; --brand-ink:#04202f; --brand-soft:#16324a;
    --leave:#f5b301; --leave-ink:#2b2000; --leave-soft:#3a2f0b;
    --holiday:#2f7fb0; --weekend:#1f2f3d; --weekend-ink:#b4c2ce;
    --warn:#ffb88a; --warn-soft:#3b2414;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);
  }
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.6 var(--font-body);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
img,svg{max-width:100%}
a{color:var(--brand);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--leave);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding-inline:20px}
@media (max-width:420px){.wrap{padding-inline:16px}}

h1,h2,h3{font-family:var(--font-head);line-height:1.12;letter-spacing:-.015em;margin:0 0 .5em;font-weight:700;text-wrap:balance}
h1{font-size:clamp(2.1rem,6.4vw,3.6rem);letter-spacing:-.03em}
h2{font-size:clamp(1.5rem,3.8vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.lead{font-size:clamp(1.1rem,2.4vw,1.28rem);color:var(--muted);max-width:56ch}
.meta{color:var(--muted);font-size:.94rem;margin:0 0 .35em}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font:700 1.3rem/1 var(--font-head);letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.brand img{display:block;width:30px;height:30px}
.nav ul{list-style:none;display:flex;align-items:center;gap:4px;margin:0;padding:0}
.nav a{display:block;padding:8px 12px;border-radius:999px;color:var(--ink);text-decoration:none;font-weight:500}
.nav a:hover{background:var(--brand-soft)}
.nav a[aria-current=page]{background:var(--brand-soft);color:var(--brand);font-weight:700}
.nav .nav-cta a{background:var(--brand);color:var(--brand-ink);font-weight:700;margin-left:6px}
.nav .nav-cta a:hover{filter:brightness(1.08)}
.nav-toggle{display:none;align-items:center;gap:8px;font:600 .95rem var(--font-body);color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:9px 14px;cursor:pointer}
.nav-toggle .bars{width:18px;height:12px;position:relative}
.nav-toggle .bars::before,.nav-toggle .bars::after,.nav-toggle .bars i{content:"";position:absolute;left:0;right:0;height:2px;background:currentColor;border-radius:2px;transition:transform .2s,opacity .2s,top .2s}
.nav-toggle .bars::before{top:0}.nav-toggle .bars i{top:5px}.nav-toggle .bars::after{top:10px}
.nav-toggle[aria-expanded=true] .bars::before{top:5px;transform:rotate(45deg)}
.nav-toggle[aria-expanded=true] .bars::after{top:5px;transform:rotate(-45deg)}
.nav-toggle[aria-expanded=true] .bars i{opacity:0}
@media (max-width:820px){
  .js .nav-toggle{display:inline-flex}
  .js .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 16px 16px;box-shadow:var(--shadow)}
  .js .nav.is-open{display:block}
  .js .nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .js .nav a{padding:13px 14px;border-radius:10px}
  .js .nav .nav-cta a{margin:8px 0 0;text-align:center}
  .nav ul{flex-wrap:wrap}
  html:not(.js) .bar{flex-wrap:wrap;padding-block:8px}
}

/* sections */
.section{padding-block:clamp(40px,7vw,80px)}
.section-tight{padding-block:clamp(28px,5vw,48px)}
.section-head{max-width:62ch;margin-bottom:28px}
.surface-band{background:var(--surface);border-block:1px solid var(--line)}
.hero{padding-block:clamp(36px,7vw,84px) clamp(28px,5vw,56px)}
.hero-grid{display:grid;gap:clamp(28px,5vw,56px);align-items:center}
@media (min-width:960px){.hero-grid{grid-template-columns:1.05fr .95fr}}
.hero h1{margin-bottom:.4em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.page-hero{padding-block:clamp(32px,6vw,64px) clamp(8px,2vw,16px)}
.page-hero h1{font-size:clamp(2rem,5.4vw,3rem)}
.crumbs{font-size:.92rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:999px;font:700 1rem/1 var(--font-body);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,filter .15s}
.btn-primary{background:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{filter:brightness(1.1)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{border-color:var(--brand)}
.btn:active{transform:scale(.98)}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr))}
.teaser{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.teaser:hover{border-color:var(--brand);transform:translateY(-2px)}
.teaser h3{margin-bottom:.35em}
.teaser p{color:var(--muted);margin-bottom:1em}
.teaser .go{margin-top:auto;font-weight:700;color:var(--brand)}
.teaser .ico{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;margin-bottom:14px}
.teaser .ico svg{width:24px;height:24px}

/* tags */
.tag{display:inline-block;font-size:.82rem;font-weight:600;line-height:1.3;padding:2px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);white-space:nowrap}
.tag-leave{background:var(--leave-soft);color:var(--leave-ink)}
@media (prefers-color-scheme:dark){.tag-leave{color:#ffd966}}
.tag-warn{background:var(--warn-soft);color:var(--warn)}
.tag-muted{background:var(--weekend);color:var(--weekend-ink)}

/* kalenderstrip */
.strip{display:flex;gap:6px}
.day{flex:1 1 0;min-width:0;border-radius:10px;padding:8px 2px 7px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:1px;line-height:1.1}
.day .dow{font-size:.78rem;font-weight:600;opacity:.85}
.day .num{font:700 1.45rem/1.1 var(--font-head)}
.day .lbl{font-size:.7rem;font-weight:600;opacity:.9}
.day.is-holiday{background:var(--holiday);color:#fff}
.day.is-leave{background:var(--leave);color:var(--leave-ink)}
.day.is-weekend{background:var(--weekend);color:var(--weekend-ink)}
.strip-lg .day{padding:16px 4px 14px;border-radius:14px;gap:4px}
.strip-lg .day .num{font-size:clamp(1.8rem,6vw,2.8rem)}
.strip-lg .day .dow,.strip-lg .day .lbl{font-size:.88rem}
.strip-sm{gap:4px}
.strip-sm .day{padding:6px 0 5px;border-radius:8px}
.strip-sm .day .num{font-size:1.1rem}
.strip-sm .day .dow{font-size:.7rem}
.strip-sm .day .lbl{display:none}
.hero-visual{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:clamp(14px,3vw,24px);box-shadow:var(--shadow)}
.hero-cap{margin:16px 2px 4px;color:var(--muted);font-size:.98rem}
.hero-cap strong{color:var(--ink)}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;margin:12px 2px 0;padding:0;list-style:none;font-size:.86rem;color:var(--muted)}
.legend li{display:flex;align-items:center;gap:6px}
.legend i{width:12px;height:12px;border-radius:4px;display:inline-block}

/* calculator */
.calc{display:grid;gap:28px;padding:clamp(18px,3.5vw,32px)}
@media (min-width:900px){.calc{grid-template-columns:300px 1fr;gap:40px}}
.calc form{display:grid;gap:18px;align-content:start}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field input,.field select{font:inherit;width:100%;padding:12px 14px;border-radius:10px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);min-height:48px}
.field input:focus,.field select:focus{border-color:var(--brand)}
.field .hint{font-size:.88rem;color:var(--muted);margin:6px 0 0}
.result-sum{font-size:1.15rem;margin-bottom:18px}
.result-sum strong{font:700 clamp(1.4rem,4vw,1.9rem)/1.2 var(--font-head);display:block;letter-spacing:-.02em}
.picks{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:12px}
.pick{display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
@media (min-width:600px){.pick{grid-template-columns:minmax(160px,230px) 1fr;align-items:center}}
.pick-t{margin:0 0 2px}
.empty{color:var(--muted)}

/* tabellen */
.tabs{display:flex;gap:8px;margin-bottom:22px}
.tabs a{padding:9px 20px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-weight:600}
.tabs a[aria-current=page]{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.table-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.table thead th{font-size:.9rem;color:var(--muted);font-weight:600;background:var(--bg)}
.table tbody tr:last-child>*{border-bottom:0}
.table tbody th{font-weight:700}
.table .is-past{opacity:.62}
@media (max-width:700px){
  .table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .table,.table tbody,.table tr,.table th,.table td{display:block}
  .table tr{padding:14px 16px;border-bottom:1px solid var(--line)}
  .table tbody tr:last-child{border-bottom:0}
  .table th,.table td{padding:0;border:0}
  .table tbody th{font-size:1.1rem;margin-bottom:6px}
  .table td{position:relative;padding:2px 0 2px 6rem}
  .table td::before{content:attr(data-label);position:absolute;left:0;top:2px;width:5.6rem;color:var(--muted);font-size:.9rem}
}

/* brugdagen */
[data-vs=bridges]{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:18px}
.bridge{display:flex;flex-direction:column;gap:12px}
.bridge h3{margin:4px 0 0}
.bridge .meta{margin:0}
.bridge-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.eff{margin:0;font:700 1.2rem/1.2 var(--font-head);letter-spacing:-.01em}
.rank{font:700 .95rem var(--font-head);color:var(--muted)}
.bridge.is-past{opacity:.65}
.bridge .meta-range{margin-top:auto}

/* prose */
.prose{max-width:68ch}
.prose h2{margin-top:1.9em;font-size:clamp(1.4rem,3.4vw,1.8rem)}
.prose h3{margin-top:1.5em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}
.prose li{margin-bottom:.4em}
.callout{border-left:4px solid var(--leave);background:var(--leave-soft);color:var(--ink);padding:14px 18px;border-radius:0 var(--r-sm) var(--r-sm) 0;margin:1.5em 0}
.callout p:last-child{margin:0}
.callout.warn{border-color:var(--warn);background:var(--warn-soft)}
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;padding:14px 0;list-style-position:outside}
details[open] summary{margin-bottom:2px}
details p{color:var(--ink)}
.cta-band{background:var(--brand);color:var(--brand-ink);border-radius:20px;padding:clamp(24px,5vw,44px);display:flex;flex-wrap:wrap;gap:16px 32px;align-items:center;justify-content:space-between}
.cta-band h2{margin:0;color:inherit}
.cta-band p{margin:.4em 0 0;opacity:.92}
.cta-band .btn{background:var(--leave);color:var(--leave-ink)}

/* footer */
.site-footer{margin-top:clamp(40px,7vw,80px);background:var(--surface);border-top:1px solid var(--line);padding-block:36px 28px;font-size:.96rem}
.foot{display:grid;gap:28px}
@media (min-width:760px){.foot{grid-template-columns:1.4fr 1fr 1fr}}
.foot h2{font:700 .95rem var(--font-head);margin:0 0 10px;letter-spacing:0}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot a{color:var(--ink)}
.foot p{color:var(--muted);margin:.6em 0 0}
.badge{display:inline-block;font-weight:700;font-size:.85rem;padding:4px 12px;border-radius:999px;background:var(--leave-soft);color:var(--leave-ink);border:1px solid var(--leave)}
@media (prefers-color-scheme:dark){.badge{color:#ffd966}}
.legal{border-top:1px solid var(--line);margin-top:26px;padding-top:18px;color:var(--muted);font-size:.9rem}