/* backlinksdirect.nl — lijnenkaart-systeem. Versie staat in de bestandsnaam-query (build hash). */
@font-face{font-family:"Bricolage Grotesque";src:url(/assets/fonts/bricolage.woff2) format("woff2");font-weight:400 800;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(/assets/fonts/instrument.woff2) format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(/assets/fonts/instrument-italic.woff2) format("woff2");font-style:italic;font-weight:400;font-display:swap}

:root{
  --paper:#f4f0e6; --paper-2:#ebe5d6; --ink:#15201d; --ink-2:#44524d; --ink-3:#5d6964;
  --line:#d6cdb8; --route:#0e7c66; --route-soft:#cfe5dd; --signal:#c8441a; --signal-ink:#fff;
  --sun:#f2b53a; --night:#0f1d19; --night-2:#1b2c27; --night-ink:#efe9da;
  --wrap:1180px; --text:68ch; --gut:clamp(18px,4vw,40px);
  --f-display:"Bricolage Grotesque",ui-sans-serif,system-ui,sans-serif;
  --f-body:"Instrument Sans",ui-sans-serif,system-ui,sans-serif;
  --ease-out:cubic-bezier(.22,1,.36,1); --ease-in-out:cubic-bezier(.65,0,.35,1);
  --d-quick:160ms; --d-base:260ms; --d-slow:520ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html,body{overflow-x:clip}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--f-body);font-optical-sizing:auto;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.2em}
a:hover{text-decoration-color:var(--signal)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;z-index:99}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;letter-spacing:-.02em;line-height:1.05;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.5rem,6.2vw,5.4rem);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(1.75rem,3.4vw,2.75rem)}
h3{font-size:1.3rem;letter-spacing:-.01em;line-height:1.2}
p{margin:0 0 1.1em}
.eyebrow{font:600 .8rem/1 var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--route);display:flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:22px;height:10px;border-radius:5px;border:2px solid currentColor;flex:none}
.muted{color:var(--ink-2)}

/* header */
.top{position:sticky;top:0;z-index:20;background:color-mix(in oklab,var(--paper) 88%,transparent);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 1.15rem/1 var(--f-display);letter-spacing:-.02em}
.brand svg{width:34px;height:34px}
.nav{display:flex;gap:26px;align-items:center;font-size:.97rem}
.nav a{text-decoration:none;color:var(--ink-2);position:relative;padding:6px 0}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--route);transform:scaleX(0);transform-origin:left;transition:transform var(--d-base) var(--ease-out)}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.nav a:hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
.btn{display:inline-flex;align-items:center;gap:.55em;background:var(--signal);color:var(--signal-ink);text-decoration:none;font:600 1rem/1 var(--f-body);padding:15px 22px;border-radius:999px;border:0;cursor:pointer;transition:transform var(--d-quick) var(--ease-out),background var(--d-base)}
.btn:hover{background:#a9380f;transform:translateY(-1px)}
.btn svg{width:18px;height:18px;transition:transform var(--d-base) var(--ease-out)}
.btn:hover svg{transform:translateX(3px)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.nav .btn{padding:11px 18px;color:#fff}
.menu-toggle{display:none;background:none;border:0;padding:10px;margin-right:-10px;cursor:pointer;color:var(--ink)}
@media (max-width:860px){
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:flex-start;gap:4px;background:var(--paper);padding:18px var(--gut) 28px;border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity var(--d-base) var(--ease-out),transform var(--d-base) var(--ease-out),visibility 0s linear var(--d-base)}
  .nav.open{opacity:1;transform:none;visibility:visible;transition-delay:0s}
  .nav a{font-size:1.2rem;padding:10px 0}
  .nav .btn{margin-top:10px}
  .menu-toggle{display:block}
}

/* hero home */
.hero{padding:clamp(28px,6vw,72px) 0 clamp(40px,6vw,80px);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center}
.hero h1{font-size:clamp(2.6rem,5.2vw,4.7rem);max-width:12ch}
.hero h1 .hl{color:var(--route)}
.hero .lead{font-size:clamp(1.1rem,1.6vw,1.3rem);color:var(--ink-2);max-width:34ch;margin:0 0 1.6em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-note{margin-top:22px;font-size:.93rem;color:var(--ink-3);max-width:44ch}
.map{width:100%;aspect-ratio:1/1;max-width:540px;justify-self:end}
.map text{font-family:var(--f-body);font-size:13px;fill:var(--ink-2);font-weight:600}
.map .terminal-label{font:800 17px var(--f-display);fill:var(--ink)}
.map .dr{font:800 44px var(--f-display);fill:var(--ink);font-variant-numeric:tabular-nums}
.map .dr-cap{font:600 11px var(--f-body);letter-spacing:.14em;fill:var(--ink-3)}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.map{max-width:440px;justify-self:center;order:-1;margin-bottom:-8px}}

/* sections */
.section{padding:clamp(56px,8vw,112px) 0}
.section.tight{padding:clamp(40px,5vw,64px) 0}
.section.dark{background:var(--night);color:var(--night-ink)}
.section.dark .muted{color:#b9c2ba}
.section.dark .eyebrow{color:var(--sun)}
.section.sand{background:var(--paper-2)}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,80px);align-items:start}
@media (max-width:860px){.split{grid-template-columns:minmax(0,1fr)}}
.kicker-num{font:800 clamp(3.5rem,8vw,6.5rem)/.9 var(--f-display);letter-spacing:-.05em;color:var(--route);margin:0 0 .15em}

/* routes (3 manieren) as line diagram */
.routes{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,44px);margin-top:48px}
.routes::before{content:"";position:absolute;left:0;right:0;top:15px;height:6px;border-radius:3px;background:var(--route);transform-origin:left;transform:scaleX(var(--draw,1));transition:transform 1.2s var(--ease-in-out)}
.route{position:relative;padding-top:52px}
.route::before{content:"";position:absolute;top:0;left:0;width:36px;height:36px;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 6px var(--ink)}
.section.sand .route::before{background:var(--paper-2)}
.route .price{font:800 2.2rem/1 var(--f-display);letter-spacing:-.03em;margin:.2em 0 .35em}
.route .price small{font:500 .95rem var(--f-body);color:var(--ink-2);letter-spacing:0}
.route ul{margin:0 0 1.2em;padding:0;list-style:none;color:var(--ink-2)}
.route li{padding:.28em 0 .28em 1.4em;position:relative}
.route li::before{content:"";position:absolute;left:0;top:.8em;width:8px;height:8px;border-radius:50%;background:var(--route)}
.learn{font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:.4em;color:var(--ink)}
.learn .chev{width:14px;height:14px;transition:transform var(--d-base) var(--ease-out)}
.learn:hover .chev{transform:translateX(4px)}
@media (max-width:860px){
  .routes{grid-template-columns:1fr;gap:34px;padding-left:52px}
  .routes::before{left:15px;right:auto;top:0;bottom:0;width:6px;height:auto;transform-origin:top;transform:scaleY(var(--draw,1))}
  .route{padding-top:0}.route::before{left:-52px}
}

/* DR bars (live catalogusdata) */
.bars{margin:28px 0 8px;display:grid;gap:18px}
.bar{display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:center}
.bar b{font:700 1rem var(--f-display)}
.bar .track{height:18px;background:color-mix(in oklab,var(--night-ink) 12%,transparent);border-radius:9px;overflow:hidden}
.bar .fill{height:100%;width:calc(var(--v)*1%);background:var(--sun);border-radius:9px;transform-origin:left;transform:scaleX(var(--grow,1));transition:transform 1s var(--ease-out)}
.bar span{font-variant-numeric:tabular-nums;white-space:nowrap}
.section:not(.dark) .bar .track{background:var(--paper-2)}
.section:not(.dark) .bar .fill{background:var(--route)}
@media (max-width:560px){.bar{grid-template-columns:78px 1fr;}.bar span{grid-column:2;font-size:.92rem}}

/* table */
.table-wrap{overflow-x:auto;margin:1.4em 0 1.8em;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.98rem;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:.75em 1em .75em 0;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 .8rem var(--f-body);text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3)}
.dark th,.dark td{border-color:#2d403a}

/* quote from Google */
.policy{font:600 clamp(1.4rem,2.6vw,2.1rem)/1.3 var(--f-display);letter-spacing:-.015em;margin:0 0 .8em;max-width:30ch}
.policy::before{content:"";display:block;width:56px;height:6px;border-radius:3px;background:var(--sun);margin-bottom:26px}
.src{font-size:.9rem;color:#b9c2ba}
.src a{color:inherit}

/* article index as line lists */
.lines{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,56px)}
.line-list{list-style:none;margin:0;padding:0 0 0 22px;position:relative}
.line-list::before{content:"";position:absolute;left:5px;top:10px;bottom:10px;width:4px;border-radius:2px;background:var(--c,var(--route))}
.line-list li{position:relative;padding:.42em 0}
.line-list li::before{content:"";position:absolute;left:-21px;top:.95em;width:12px;height:12px;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 3px var(--c,var(--route));transition:transform var(--d-quick) var(--ease-out)}
.line-list li:hover::before{transform:scale(1.35)}
.line-list a{text-decoration:none;font-weight:500}
.line-list a:hover{text-decoration:underline}
.line-head{font:700 1.15rem var(--f-display);margin:0 0 .8em;display:flex;align-items:center;gap:.5em}
.line-head i{width:28px;height:10px;border-radius:5px;background:var(--c,var(--route));display:inline-block}
@media (max-width:860px){.lines{grid-template-columns:1fr}}

/* article */
.art-head{padding-top:clamp(28px,5vw,64px);padding-bottom:clamp(20px,3vw,36px)}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(28px,5vw,72px);align-items:start}
.art-head h1{font-size:clamp(2.2rem,5vw,4.2rem);max-width:18ch}
.art-head .lead{font-size:clamp(1.12rem,1.5vw,1.28rem);color:var(--ink-2);max-width:56ch}
.crumbs{font-size:.9rem;color:var(--ink-3);margin-bottom:22px}
.crumbs a{color:inherit}
.meta-line{font-size:.9rem;color:var(--ink-3);display:flex;gap:18px;flex-wrap:wrap;margin-top:18px}
.prose{max-width:var(--text)}
.prose h2{font-size:clamp(1.55rem,2.6vw,2.1rem);margin-top:1.9em;scroll-margin-top:90px}
.prose h3{margin-top:1.6em;scroll-margin-top:90px}
.prose ul,.prose ol{padding-left:1.25em;margin:0 0 1.2em}
.prose li{margin:.35em 0}
.prose ol{counter-reset:s;list-style:none;padding-left:0}
.prose ol>li{counter-increment:s;padding-left:2.6em;position:relative}
.prose ol>li::before{content:counter(s);position:absolute;left:0;top:.05em;width:1.8em;height:1.8em;border-radius:50%;background:var(--route);color:#fff;font:700 .85rem/1.8em var(--f-display);text-align:center}
.prose blockquote{margin:1.6em 0;padding:0 0 0 1.2em;border-left:4px solid var(--sun);font-size:1.12rem;color:var(--ink)}
.prose a{color:var(--ink);text-decoration-color:color-mix(in oklab,var(--route) 60%,transparent);text-decoration-thickness:2px}
.prose a:hover{text-decoration-color:var(--signal)}
.prose code{background:var(--paper-2);padding:.1em .35em;border-radius:4px;font-size:.92em}
.prose .table-wrap{max-width:calc(var(--text) + 120px)}
.faq{margin-top:2.4em}
.faq details{border-top:1px solid var(--line);padding:.2em 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;font:700 1.1rem/1.3 var(--f-display);padding:.9em 2em .9em 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:4px;top:50%;width:10px;height:10px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:transform var(--d-base) var(--ease-out)}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq .ans{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--d-base) var(--ease-out)}
.faq details[open] .ans{grid-template-rows:1fr}
.faq .ans>div{overflow:hidden}
.sources{margin-top:2.6em;font-size:.9rem;color:var(--ink-3)}
.sources ul{padding-left:1.1em}
.sources a{word-break:break-word}

/* routekaart (article toc) */
.routemap{position:sticky;top:92px}
.routemap h2{font:600 .8rem var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin:0 0 14px}
.routemap svg{overflow:visible}
.routemap .stop{cursor:pointer}
.routemap .stop circle{fill:var(--paper);stroke:var(--ink-3);stroke-width:3;transition:fill var(--d-base),stroke var(--d-base),r var(--d-base) var(--ease-out)}
.routemap .stop text{font:500 13.5px var(--f-body);fill:var(--ink-2);transition:fill var(--d-base)}
.routemap .stop.done circle{fill:var(--c);stroke:var(--c)}
.routemap .stop.now circle{fill:var(--paper);stroke:var(--c);stroke-width:4;r:9}
.routemap .stop.now text{fill:var(--ink);font-weight:700}
.routemap .track{stroke:var(--line);stroke-width:5;fill:none;stroke-linecap:round}
.routemap .progress{stroke:var(--c);stroke-width:5;fill:none;stroke-linecap:round;transition:stroke-dashoffset var(--d-slow) var(--ease-out)}
.routemap .cta-mini{margin-top:26px;font-size:.95rem;color:var(--ink-2)}
@media (max-width:1000px){.art-grid{grid-template-columns:minmax(0,1fr)}.routemap{display:none}}

/* article hero art */
.art-art{margin:6px 0 0;border-radius:18px;overflow:hidden;background:var(--night)}
.art-art svg{width:100%;height:clamp(210px,35vw,420px)}
.art-art svg text{font-size:16px}
@media (max-width:640px){.art-art svg text{font-size:24px!important}}

/* callout funnel */
.funnel{margin:2.4em 0;padding:28px 0;border-top:2px solid var(--ink);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.funnel .own{grid-column:1/-1;font-size:.85rem;color:var(--ink-3);margin-top:-6px}
.funnel p{margin:0;font:600 1.15rem/1.4 var(--f-display);max-width:40ch}
@media (max-width:640px){.funnel{grid-template-columns:1fr}}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:start}
.field{margin:0 0 22px}
.field label{display:block;font-weight:600;margin-bottom:6px}
.field .hint{font-size:.9rem;color:var(--ink-3);margin:6px 0 0}
.field input[type=number]{width:100%;font:600 1.4rem var(--f-display);padding:12px 14px;border:0;border-bottom:2px solid var(--ink);background:transparent;color:var(--ink);border-radius:0;-moz-appearance:textfield}
.field input[type=number]:focus{outline:none;border-color:var(--signal)}
.field input[type=range]{width:100%;accent-color:var(--route)}
.seg{display:flex;gap:4px;background:var(--paper-2);border-radius:999px;padding:4px;position:relative;width:max-content;max-width:100%;flex-wrap:wrap}
.seg button{border:0;background:transparent;font:600 .95rem var(--f-body);padding:9px 14px;border-radius:999px;cursor:pointer;color:var(--ink-2);position:relative;z-index:1;transition:color var(--d-base)}
.seg button[aria-pressed=true]{color:#fff}
.seg .pill{position:absolute;top:4px;bottom:4px;border-radius:999px;background:var(--ink);transition:left var(--d-base) var(--ease-out),width var(--d-base) var(--ease-out);z-index:0}
.out{background:var(--night);color:var(--night-ink);border-radius:22px;padding:clamp(24px,4vw,40px)}
.out .big{font:800 clamp(3rem,7vw,5rem)/1 var(--f-display);letter-spacing:-.04em;font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:.2em}
.out .big small{font:600 1rem var(--f-body);letter-spacing:0;color:#b9c2ba}
.gapviz{display:grid;gap:10px;margin:18px 0 22px}
.gapviz div{display:grid;grid-template-columns:86px 1fr auto;align-items:center;gap:12px;font-size:.9rem;color:#b9c2ba}
.gapviz i{display:block;height:12px;border-radius:6px;background:#6aa89a;width:calc(var(--w,0)*1%);transition:width var(--d-slow) var(--ease-out)}
.gapviz div+div i{background:var(--sun)}
.gapviz b{font:700 .95rem var(--f-display);color:var(--night-ink);font-variant-numeric:tabular-nums;min-width:3ch;text-align:right}
.out .row{display:grid;grid-template-columns:1fr auto;gap:14px;padding:12px 0;border-top:1px solid #2d403a;font-variant-numeric:tabular-nums}
.out .row b{font-family:var(--f-display)}
.out .row.best b{color:var(--sun)}
.out .note{font-size:.9rem;color:#b9c2ba;margin-top:16px}
.digit-pop{display:inline-block;animation:pop var(--d-base) var(--ease-out)}
@keyframes pop{from{opacity:0;transform:translateY(.35em);filter:blur(3px)}to{opacity:1;transform:none;filter:none}}
@media (max-width:860px){.calc{grid-template-columns:minmax(0,1fr)}}

/* footer */
.foot{background:var(--night);color:var(--night-ink);padding:64px 0 36px;font-size:.95rem}
.foot a{color:var(--night-ink);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot h3{font:600 .8rem var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--sun);margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot .small{margin-top:48px;color:#a9b4ad;font-size:.85rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* reveal on scroll (texts-reveal, transitions.dev 18) */
.rv{opacity:0;transform:translateY(14px);filter:blur(4px);transition:opacity var(--d-slow) var(--ease-out),transform var(--d-slow) var(--ease-out),filter var(--d-slow) var(--ease-out);transition-delay:calc(var(--i,0)*70ms)}
.rv.in{opacity:1;transform:none;filter:none}
.no-js .rv{opacity:1;transform:none;filter:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;transition-delay:0s!important}
  .rv{opacity:1;transform:none;filter:none}
}