/* Stifters.nl — Kinetic tech. Space Grotesk (display) + Inter (body). */
:root{
  --bg:#060a14;--bg2:#0b1120;--kaart:rgba(255,255,255,.026);
  --ink:#e8eefc;--mut:#94a3bd;--acc:#38e1ff;--acc2:#7c5cff;
  --line:#1b2438;--waar:#ffb020;--r:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:'';position:fixed;inset:0;z-index:-2;background:
  radial-gradient(900px 520px at 78% -8%,rgba(56,225,255,.13),transparent 62%),
  radial-gradient(760px 480px at 8% 8%,rgba(124,92,255,.12),transparent 60%),var(--bg)}
body::after{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:72px 72px;mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 72%)}
h1,h2,h3{font-family:'Space Grotesk',Inter,system-ui,sans-serif;line-height:1.13;font-weight:700;letter-spacing:-.018em}
h1{font-size:clamp(2rem,5vw,3.6rem)}
h1 em{font-style:normal;background:linear-gradient(96deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-size:clamp(1.42rem,3vw,2.15rem);margin-bottom:.7em}
h3{font-size:1.1rem;margin-bottom:.4em}
p{margin-bottom:1em}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
strong{color:#fff;font-weight:600}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:.1em .4em}
.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(18px,4vw,40px)}
main>section,main>article{padding:clamp(44px,7vw,96px) 0}
.sectie-intro{color:var(--mut);max-width:52em;margin-top:-.4em}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(6,10,20,.78);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:13px;padding-bottom:13px}
.logo{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.28rem;letter-spacing:-.03em;color:var(--ink)}
.logo span{background:linear-gradient(96deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.site-header ul{display:flex;gap:1.1rem;list-style:none;align-items:center;flex-wrap:wrap}
.site-header nav a{color:var(--mut);font-size:.87rem;white-space:nowrap;font-weight:500;transition:color .2s}
.site-header nav a:hover{color:var(--ink);text-decoration:none}
.cta-nav{border:1px solid rgba(56,225,255,.45);color:var(--acc)!important;padding:.42em 1em;border-radius:999px;transition:.25s}
.cta-nav:hover{background:rgba(56,225,255,.12);box-shadow:0 0 24px -6px rgba(56,225,255,.6)}
.menu-btn{display:none;cursor:pointer;background:none;border:0;padding:.4em;width:42px;height:38px;flex-direction:column;justify-content:center;gap:5px;border-radius:8px}
.menu-btn span{display:block;height:2px;width:22px;background:var(--ink);transition:transform .25s,opacity .2s}
.menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.open span:nth-child(2){opacity:0}
.menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:980px){
  .menu-btn{display:flex}
  .site-header ul{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg2);flex-direction:column;align-items:flex-start;padding:1.2rem clamp(18px,4vw,40px);gap:1rem;border-bottom:1px solid var(--line)}
  .site-header ul.open{display:flex}
}
/* toegankelijkheid */
.skiplink{position:absolute;left:-9999px;top:0;z-index:100;background:var(--acc);color:#03121a;padding:.7em 1.2em;font-weight:700;border-radius:0 0 10px 0}
.skiplink:focus{left:0;text-decoration:none}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}
/* hero */
.hero{position:relative;padding:clamp(58px,9vw,124px) 0 clamp(42px,6vw,80px);overflow:hidden}
.hero.small{padding:clamp(46px,6vw,82px) 0 clamp(24px,3vw,40px)}
.hero .raster{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(520px 300px at 50% 0%,rgba(56,225,255,.12),transparent 70%)}
.hero h1{animation:opkomst .55s cubic-bezier(.22,.8,.3,1) both}
.hero .lead{animation:opkomst .55s .08s cubic-bezier(.22,.8,.3,1) both}
.hero .hero-cta{animation:opkomst .55s .16s cubic-bezier(.22,.8,.3,1) both}
@keyframes opkomst{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.kicker{text-transform:uppercase;letter-spacing:.18em;font-size:.75rem;color:var(--acc);margin-bottom:1em;font-weight:600}
.lead{font-size:clamp(1.03rem,1.5vw,1.2rem);color:var(--mut);max-width:48em;margin-top:1em}
.lead strong{color:var(--ink)}
.hero-cta{display:flex;gap:.9rem;margin-top:2em;flex-wrap:wrap}
.onder-cta{margin-top:1.5em;color:var(--mut);font-size:.94rem;max-width:46em}
.hero-melding{margin-top:2.4rem;border-left:3px solid var(--waar);background:rgba(255,176,32,.06);padding:1rem 1.2rem;border-radius:0 10px 10px 0;max-width:56em}
.hero-melding p{margin:0;color:var(--mut);font-size:.9rem}
.meta{color:var(--mut);font-size:.86rem;margin-top:1.4em}
.kruimels{font-size:.82rem;color:var(--mut);margin-bottom:1.4em}
.kruimels a{color:var(--mut)}.kruimels span{opacity:.5;margin:0 .35em}
/* knoppen */
.btn{display:inline-block;background:linear-gradient(96deg,var(--acc),#59a8ff);color:#03121a;font-weight:700;padding:.85em 1.8em;border-radius:999px;border:0;transition:transform .25s,box-shadow .25s;cursor:pointer;font-size:.98rem;font-family:inherit}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 40px -14px rgba(56,225,255,.75);text-decoration:none}
.btn.groot{font-size:1.05rem;padding:1em 2.2em}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--acc);color:var(--acc);box-shadow:none}
.arrow{font-weight:600}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:1.2rem;margin-top:1.6rem}
.cards.three{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.card{position:relative;background:var(--kaart);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;transition:transform .3s,border-color .3s,background .3s;display:block;color:var(--ink);overflow:hidden}
a.card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.5);background:rgba(56,225,255,.045);text-decoration:none}
.card p{color:var(--mut);font-size:.93rem;margin:0}
.card .more{display:block;margin-top:1em;color:var(--acc);font-size:.88rem;font-weight:600}
.card .tag{display:inline-block;font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--acc);border:1px solid rgba(56,225,255,.3);border-radius:999px;padding:.2em .8em;margin-bottom:.9em;font-weight:600}
.card.cat h3{font-size:1.22rem}
/* split & steps */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,5vw,4rem);align-items:start}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.steps ol,ol.stappen{list-style:none;counter-reset:s}
.steps li,ol.stappen li{counter-increment:s;position:relative;padding:.95rem 0 .95rem 3.2rem;border-bottom:1px solid var(--line);color:var(--mut)}
.steps li strong,ol.stappen li strong{color:var(--ink)}
.steps li::before,ol.stappen li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:.95rem;font-family:'Space Grotesk',sans-serif;color:var(--acc);font-size:1.05rem;font-weight:700}
ul.lijst{list-style:none;margin:0 0 1.2em}
ul.lijst li{position:relative;padding:.4rem 0 .4rem 1.5rem;color:var(--mut)}
ul.lijst li::before{content:'';position:absolute;left:0;top:1.1rem;width:7px;height:7px;border-radius:2px;background:linear-gradient(96deg,var(--acc),var(--acc2))}
ul.lijst li strong{color:var(--ink)}
/* artikel */
.voortgang{position:fixed;top:0;left:0;right:0;height:2px;background:linear-gradient(96deg,var(--acc),var(--acc2));transform:scaleX(0);transform-origin:0 50%;z-index:60}
.artikel-hero h1{font-size:clamp(1.75rem,3.9vw,2.9rem);max-width:20em}
.artikel-body{max-width:790px;margin:0 auto;padding-top:0!important}
.artikel-body section{padding:0;margin-bottom:2.6rem}
.artikel-body h2{margin-top:.2em;font-size:clamp(1.25rem,2.4vw,1.65rem)}
.artikel-body p,.artikel-body li{color:var(--mut)}
.artikel-body p strong{color:var(--ink)}
.inhoudsopgave{border:1px solid var(--line);border-radius:var(--r);padding:1.3rem 1.6rem;margin-bottom:2.6rem;background:var(--kaart)}
.io-kop{font-size:.72rem;text-transform:uppercase;letter-spacing:.15em;color:var(--acc);font-weight:600;margin-bottom:.7em}
.inhoudsopgave ol{list-style:none;counter-reset:io}
.inhoudsopgave li{counter-increment:io;padding:.28rem 0 .28rem 1.9rem;position:relative}
.inhoudsopgave li::before{content:counter(io,decimal-leading-zero);position:absolute;left:0;color:var(--mut);font-size:.8rem;top:.42rem}
.inhoudsopgave a{color:var(--ink);font-size:.94rem}
.formule{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--bg2);border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:0 10px 10px 0;padding:1rem 1.2rem;font-size:.92rem;color:var(--ink);overflow-x:auto}
.tabelwrap{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--line);border-radius:var(--r)}
table{border-collapse:collapse;width:100%;min-width:440px;font-size:.93rem}
th,td{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--line);color:var(--mut)}
th{color:var(--ink);font-weight:600;background:rgba(255,255,255,.03);font-size:.85rem;text-transform:uppercase;letter-spacing:.06em}
tbody tr:last-child td{border-bottom:0}
.waarschuwing{border-left:3px solid var(--waar);background:rgba(255,176,32,.07);padding:1rem 1.2rem;border-radius:0 10px 10px 0;margin:1.4em 0}
.waarschuwing p{margin:0;color:var(--mut);font-size:.94rem}
.waarschuwing strong{color:var(--waar)}
.waarschuwing.groot{max-width:820px;margin:0 auto}
.klein-grijs{color:var(--mut);font-size:.87rem}
/* bronnen */
.bronnenlijst{list-style:none;counter-reset:b;max-width:52em}
.bronnenlijst li{counter-increment:b;position:relative;padding:.55rem 0 .55rem 2.4rem;color:var(--mut);border-bottom:1px solid var(--line);font-size:.94rem}
.bronnenlijst li::before{content:'[' counter(b) ']';position:absolute;left:0;top:.55rem;color:var(--acc);font-size:.85rem;font-weight:600}
/* begrippen */
.begrippen{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1rem}
.begrippen>div{border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.4rem;background:var(--kaart)}
.begrippen dt{font-family:'Space Grotesk',sans-serif;font-weight:700;color:var(--ink);margin-bottom:.3em}
.begrippen dd{color:var(--mut);font-size:.92rem}
/* affiliate */
.affiliate-kaart{border:1px solid rgba(56,225,255,.28);border-radius:18px;padding:clamp(1.6rem,4vw,2.6rem);background:linear-gradient(140deg,rgba(56,225,255,.07),rgba(124,92,255,.05));position:relative;overflow:hidden}
.affiliate-kaart::after{content:'';position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(56,225,255,.16),transparent 68%)}
.affiliate-kaart p{color:var(--mut);max-width:56em}
.affiliate-kaart .knoppen{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.6rem 0 1.2rem}
/* faq */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:1.05rem 0;font-weight:600;font-size:1.02rem;list-style:none;position:relative;padding-right:2.4rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';position:absolute;right:.4rem;top:1.5rem;width:9px;height:9px;border-right:2px solid var(--acc);border-bottom:2px solid var(--acc);transform:rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(-135deg);top:1.7rem}
.faq details p{color:var(--mut);padding-bottom:1.2rem;max-width:62em;margin:0}
/* cta band */
.cta-band{background:linear-gradient(120deg,rgba(56,225,255,.07),rgba(124,92,255,.05));border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.cta-band p{color:var(--mut);max-width:40em;margin:0 auto 1.6em}
/* form */
.form label{display:block;margin-bottom:1.05rem;font-weight:600;font-size:.9rem}
.form input,.form textarea{display:block;width:100%;margin-top:.4em;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:.78em 1em;color:var(--ink);font:inherit;transition:border-color .25s}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--acc)}
.form label.checkbox{display:flex;gap:.6rem;align-items:flex-start;font-weight:400;color:var(--mut);font-size:.88rem}
.form label.checkbox input{width:auto;margin-top:.35em}
/* prose */
.prose{max-width:790px}
.prose h2{margin-top:1.8em;font-size:1.3rem}
.prose p,.prose li{color:var(--mut)}
/* footer */
.site-footer{border-top:1px solid var(--line);padding:3.4rem 0 1.4rem;background:#04070e}
.grid-4{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.2rem}
@media(max-width:860px){.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.grid-4{grid-template-columns:1fr}}
.site-footer h3{font-size:.78rem;text-transform:uppercase;letter-spacing:.13em;color:var(--mut);margin-bottom:.9em}
.site-footer ul{list-style:none}
.site-footer li{margin:.42em 0}
.site-footer a{color:var(--mut);font-size:.9rem}
.site-footer a:hover{color:var(--acc)}
.site-footer p{color:var(--mut);font-size:.9rem}
.site-footer .klein{font-size:.83rem;opacity:.85}
.risicobalk{margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.risicobalk p{font-size:.82rem;line-height:1.65;max-width:none;opacity:.85}
.risicobalk strong{color:var(--waar)}
.copy{margin-top:1.2rem;padding-top:1.1rem;border-top:1px solid var(--line)}
.copy p{font-size:.8rem}
/* cookiebanner */
.cookielaag{position:fixed;inset:0;z-index:79;background:rgba(3,6,12,.72);backdrop-filter:blur(3px);animation:opkomst .3s ease both}
.cookiebalk{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;z-index:80;width:min(760px,calc(100% - 32px));background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.3rem;display:flex;gap:1.1rem;align-items:center;justify-content:space-between;flex-wrap:wrap;box-shadow:0 24px 70px -20px rgba(0,0,0,.85)}
.cookiebalk p{margin:0;color:var(--mut);font-size:.9rem;flex:1 1 320px}
.cookie-knoppen{display:flex;gap:.6rem;flex-wrap:wrap}
.cookiebalk .btn{padding:.58em 1.25em;font-size:.9rem}
/* blokkerende variant: midden op het scherm, keuze niet te negeren.
   Let op: de entree-animatie moet de centrerende translate meenemen, anders
   zet transform:none aan het eind van de animatie de dialoog uit het midden. */
.cookiebalk.midden{top:50%;bottom:auto;left:50%;transform:translate(-50%,-50%);width:min(540px,calc(100% - 28px));display:block;padding:clamp(1.4rem,4vw,2.2rem);border-color:rgba(56,225,255,.3);max-height:calc(100dvh - 28px);overflow-y:auto;overscroll-behavior:contain;animation:opkomst-midden .35s cubic-bezier(.22,.8,.3,1) both}
@keyframes opkomst-midden{from{opacity:0;transform:translate(-50%,calc(-50% + 14px))}to{opacity:1;transform:translate(-50%,-50%)}}
.cookiebalk.midden h2{font-size:clamp(1.15rem,4.6vw,1.3rem);margin-bottom:.6em}
.cookiebalk.midden p{margin-bottom:1.3em;font-size:.92rem;flex:none}
.cookiebalk.midden .cookie-knoppen{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.cookiebalk.midden .btn{width:100%;text-align:center;padding:.8em 1em;font-size:.95rem}
/* Op smalle schermen passen twee knoppen niet netjes naast elkaar. Accepteren
   blijft bovenaan, maar beide knoppen houden dezelfde maat en nadruk. */
@media(max-width:400px){
  .cookiebalk.midden .cookie-knoppen{grid-template-columns:1fr}
  .cookiebalk.midden{padding:1.3rem 1.2rem}
  .cookiebalk.midden p{font-size:.9rem;line-height:1.55}
}
.cookiebalk .ck-klein{font-size:.82rem;margin:1.1em 0 0;opacity:.8}
/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero h1,.hero .lead,.hero .hero-cta{animation:none}
  html{scroll-behavior:auto}
}