/* ============================================================
   REVALU — ontwerpsysteem "de gedocumenteerde route"
   Inkt + koper · Inter · grootboek-esthetiek · doorlopende routelijn
   ============================================================ */

:root{
  color-scheme: only light;
  --ink:#10141d;
  --ink-2:#161b27;
  --text:#161a22;
  --text-soft:#3f4654;
  --text-faint:#80766a;
  --paper:#ffffff;
  --paper-2:#f7f5f1;
  --line:#e7e4de;
  --line-strong:#d9d5cd;
  --line-dark:#2a3040;
  --copper:#c06218;
  --copper-deep:#9e4f11;
  --copper-light:#e0913f;
  --on-dark:#f4f3f0;
  --on-dark-soft:#a9b0bd;
  --rail-x:56px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--paper);
  color:var(--text);
  line-height:1.65;
  font-size:17px;
  font-feature-settings:'tnum';
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(192,98,24,.18)}

.wrap{max-width:1160px;margin:0 auto;padding:0 36px 0 120px;position:relative}

/* ---------- de routelijn ---------- */
.sec{position:relative}
.sec > .wrap::before{
  content:'';position:absolute;left:var(--rail-x);top:0;bottom:0;width:1.5px;
  background:var(--railc,var(--line-strong));
  transform:scaleY(0);transform-origin:top;transition:transform 1.1s cubic-bezier(.4,0,.2,1);
}
.sec.inview > .wrap::before{transform:scaleY(1)}
.sec{--railc:var(--line-strong)}
.sec.post{--railc:var(--copper)}
.sec.dark{--railc:var(--line-dark)}
.sec.dark.post{--railc:var(--copper)}
.sec.knik > .wrap::before{
  background:linear-gradient(to bottom,var(--line-dark) 0%,var(--line-dark) 34%,var(--copper) 52%,var(--copper) 100%);
}

/* hoofdstuklabel op de lijn */
.chap{
  position:relative;display:inline-flex;align-items:center;
  font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--text-faint);margin-bottom:22px;
}
.sec.dark .chap{color:var(--copper-light)}
.chap::before{
  content:'';position:absolute;left:-69px;top:50%;margin-top:-5px;
  width:10px;height:10px;border-radius:50%;
  background:var(--paper);border:1.5px solid var(--railc,var(--line-strong));
  transition:background .5s ease .5s,border-color .5s ease .5s;
}
.sec.dark .chap::before{background:var(--ink)}
.sec.inview .chap::before{border-color:var(--copper);background:var(--copper)}
.sec:not(.post):not(.knik).inview .chap::before{border-color:var(--text-faint);background:var(--line-strong)}
.chap .n{color:var(--copper);margin-right:10px;font-feature-settings:'tnum'}
.sec.dark .chap .n{color:var(--copper-light)}

/* ---------- reveals ---------- */
/* beweging is gereserveerd voor de routelijn, de nodes en het splitsingsdiagram */
.splitwrap path.draw{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .9s cubic-bezier(.33,0,.2,1) .15s}
.sec.inview .splitwrap path.draw{stroke-dashoffset:0}
.splitwrap .dest{opacity:0;transition:opacity .45s ease .95s}
.sec.inview .splitwrap .dest{opacity:1}
.hero svg.split path.draw{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .8s cubic-bezier(.33,0,.2,1) .25s}
.hero.inview svg.split path.draw{stroke-dashoffset:0}
.hero svg.split .dest{opacity:0;transition:opacity .4s ease .9s}
.hero.inview svg.split .dest{opacity:1}

@media (prefers-reduced-motion:reduce){
  .sec > .wrap::before{transform:none;transition:none}
  .splitwrap path.draw,.hero svg.split path.draw{stroke-dasharray:none;stroke-dashoffset:0;transition:none}
  .splitwrap .dest,.hero svg.split .dest{opacity:1;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- typografie ---------- */
h1{font-size:clamp(38px,5.2vw,62px);line-height:1.06;font-weight:800;letter-spacing:-.03em;max-width:17ch}
h2{font-size:clamp(28px,3.6vw,44px);line-height:1.1;font-weight:800;letter-spacing:-.025em;max-width:22ch}
h3{font-size:19px;font-weight:700;letter-spacing:-.01em;line-height:1.35}
.lede{margin-top:22px;font-size:17px;color:var(--text-soft);max-width:60ch}
.sec.dark .lede{color:var(--on-dark-soft)}
.prose{margin-top:24px;max-width:62ch;display:grid;gap:18px;color:var(--text-soft)}
.prose strong{color:var(--text);font-weight:600}
.sec.dark .prose{color:var(--on-dark-soft)}
.sec.dark .prose strong{color:var(--on-dark)}
.sec.dark{background:var(--ink);color:var(--on-dark)}

section.sec{padding:104px 0}
.sec.tint{background:var(--paper-2)}

/* ---------- knoppen ---------- */
.btn{
  display:inline-block;background:var(--copper);color:#fff;text-decoration:none;
  font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  padding:14px 24px;border-radius:2px;transition:background .15s ease;
}
.btn:hover{background:var(--copper-deep)}
.btn.ghost{background:transparent;border:1px solid var(--line-dark);color:var(--on-dark)}
.btn.ghost:hover{border-color:var(--on-dark-soft);background:transparent}
.tlink{
  color:var(--copper);text-decoration:none;font-weight:600;font-size:15px;
  border-bottom:1px solid transparent;
}
.tlink:hover{border-bottom-color:var(--copper)}
.sec.dark .tlink{color:var(--copper-light)}

/* ---------- topbar ---------- */
header.top{
  position:sticky;top:0;z-index:50;
  background:rgba(16,20,29,.93);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-dark);
}
.bar{display:flex;align-items:center;gap:26px;height:64px;max-width:1160px;margin:0 auto;padding:0 36px}
.mark{font-weight:800;font-size:20px;letter-spacing:-.02em;color:var(--on-dark);text-decoration:none}
.mark span{color:var(--copper-light)}
.bar nav{display:flex;gap:20px}
.bar nav a{
  color:var(--on-dark-soft);text-decoration:none;
  font-size:11px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
}
.bar nav a:hover{color:var(--on-dark)}
.bar .cta{margin-left:auto}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--on-dark);overflow:hidden;--railc:var(--line-dark)}
.hero .wrap{padding-top:108px;padding-bottom:124px;position:relative}
.hero .wrap::before{
  content:'';position:absolute;left:var(--rail-x);top:62%;bottom:0;width:1.5px;
  background:var(--line-dark);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.hero p.sub{margin-top:26px;font-size:17.5px;color:var(--on-dark-soft);max-width:52ch}
.hero .actions{margin-top:38px;display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.stamp{
  justify-self:end;border:1.5px solid var(--line-dark);
  padding:10px 16px;font-size:10.5px;font-weight:700;letter-spacing:.22em;
  color:var(--on-dark-soft);text-transform:uppercase;white-space:nowrap;
}
.hero svg.split{width:100%;max-width:420px;height:auto;margin-top:64px;justify-self:end}

/* ---------- grootboekregels ---------- */
.ledger{margin-top:48px;list-style:none;border-top:1px solid var(--line)}
.ledger li{
  display:grid;grid-template-columns:96px 1fr;align-items:baseline;gap:18px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.ledger .n{
  font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--line-strong);
  transition:color .4s ease;font-feature-settings:'tnum';
}
.ledger li:hover .n,.inview .ledger li .n{color:var(--copper)}
.ledger .q{font-size:clamp(19px,2.4vw,27px);font-weight:700;letter-spacing:-.015em;line-height:1.3}
.ledger .d{grid-column:2;font-size:15.5px;color:var(--text-soft);max-width:58ch;margin-top:6px}

/* ---------- groot leeg bedrag ---------- */
.bigfig{margin-top:56px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end}
.bigfig .fig{
  font-size:clamp(64px,9vw,118px);font-weight:800;letter-spacing:-.045em;line-height:1;
  color:var(--text);white-space:nowrap;
}
.bigfig .fig small{font-size:.32em;font-weight:700;color:var(--text-faint);letter-spacing:-.01em}
.bigfig .cap{font-size:14.5px;color:var(--text-faint);max-width:38ch;padding-bottom:10px}

/* ---------- splitsingsdiagram ---------- */
.splitwrap{margin-top:56px}
.splitwrap svg{width:100%;max-width:760px;height:auto}

/* ---------- clausules (ankers) ---------- */
.claus{margin-top:44px;display:grid;gap:0;max-width:720px}
.claus .c{
  display:grid;grid-template-columns:72px 1fr;gap:18px;
  padding:28px 0;border-top:1px solid var(--line-dark);
}
.sec:not(.dark) .claus .c{border-top-color:var(--line)}
.claus .cn{font-size:15px;font-weight:700;color:var(--copper-light);font-feature-settings:'tnum'}
.sec:not(.dark) .claus .cn{color:var(--copper)}
.claus h3{margin-bottom:8px}
.claus p{font-size:15.5px;color:var(--on-dark-soft);max-width:56ch}
.sec:not(.dark) .claus p{color:var(--text-soft)}

/* ---------- stations ---------- */
.stations{margin-top:56px;list-style:none;display:grid;gap:0}
.station{
  position:relative;display:grid;grid-template-columns:72px 1fr 240px;gap:24px;
  padding:34px 0;border-bottom:1px solid var(--line);
}
.station::before{
  content:'';position:absolute;left:calc(var(--rail-x) - 125px);top:46px;
  width:11px;height:11px;border-radius:50%;
  background:var(--paper);border:1.5px solid var(--line-strong);
  transition:background .4s ease,border-color .4s ease;
}
.station.inview::before{background:var(--copper);border-color:var(--copper)}
.station.stay::before{background:var(--line-strong) !important;border-color:var(--line-strong) !important}
.station .sn{
  font-size:52px;font-weight:600;line-height:1;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1.1px var(--line-strong);
  font-feature-settings:'tnum';transition:all .4s ease;
}
.station.inview .sn{-webkit-text-stroke-color:var(--copper)}
@supports not (-webkit-text-stroke: 1px #000){
  .station .sn{color:var(--line-strong)}
  .station.inview .sn{color:var(--copper)}
}
#bezwaren .qa summary{border-left:2px solid var(--copper);padding-left:16px}
.station h3{margin-bottom:8px}
.station p{font-size:15.5px;color:var(--text-soft);max-width:54ch}
.station .doc{
  align-self:start;border:1px solid var(--line);padding:14px 16px;
  background:var(--paper-2);
}
.station .doc .dl{font-size:10px;font-weight:700;letter-spacing:.18em;color:var(--text-faint);text-transform:uppercase}
.station .doc .dv{font-size:14px;font-weight:600;margin-top:4px}
.station .marge{
  position:absolute;left:calc(var(--rail-x) - 120px + 26px);top:50px;
  font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-faint);writing-mode:vertical-rl;transform:rotate(180deg);
}

/* ---------- batchrecord ---------- */
.proof{display:grid;grid-template-columns:5fr 7fr;gap:64px;margin-top:48px;align-items:start}
.batch{
  position:relative;background:var(--ink);color:var(--on-dark);
  padding:34px 34px 26px;overflow:hidden;border:1px solid var(--line-dark);
}
.batch .bt{
  font-size:10.5px;font-weight:700;letter-spacing:.22em;color:var(--copper-light);
  text-transform:uppercase;margin-bottom:22px;display:block;
}
.batch dl{display:grid;gap:0}
.batch .row{
  display:grid;grid-template-columns:1fr auto;gap:18px;
  padding:10px 0;border-bottom:1px solid var(--line-dark);
}
.batch .row:last-child{border-bottom:none}
.batch dt{font-size:10.5px;font-weight:700;letter-spacing:.14em;color:var(--on-dark-soft);text-transform:uppercase;align-self:center}
.batch dd{font-size:14px;font-weight:600;color:var(--on-dark);font-feature-settings:'tnum';text-align:right}
.batch dd.muted{color:var(--on-dark-soft);font-weight:400}
.batch .wm{
  position:absolute;top:46%;left:50%;transform:translate(-50%,-50%) rotate(-17deg);
  font-size:30px;font-weight:800;letter-spacing:.42em;color:var(--copper-light);
  opacity:.16;pointer-events:none;white-space:nowrap;
}
.batch-cap{margin-top:14px;font-size:13.5px;color:var(--text-faint);max-width:44ch}

/* ---------- claimmatrix ---------- */
.matrix{margin-top:36px;border-top:1px solid var(--line)}
.matrix .mrow{
  display:grid;grid-template-columns:1fr auto;gap:18px;align-items:baseline;
  padding:15px 0;border-bottom:1px solid var(--line);font-size:15px;
}
.matrix .mv{color:var(--text-soft)}
.matrix .mo{font-weight:600;font-size:13.5px;white-space:nowrap;color:var(--copper)}

/* ---------- contract (belofte) ---------- */
.contract{display:grid;grid-template-columns:7fr 5fr;gap:72px;margin-top:48px}
.contract .niet .c{font-size:14px}
.contract h3{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;margin-bottom:8px}
.contract .wel h3{color:var(--copper)}
.contract .niet h3{color:var(--text-faint)}
.contract .c{
  display:grid;grid-template-columns:48px 1fr;gap:14px;
  padding:20px 0;border-top:1px solid var(--line);font-size:15.5px;color:var(--text-soft);
}
.contract .c b{color:var(--text);font-weight:600}
.contract .cn{font-size:13px;font-weight:700;color:var(--text-faint);font-feature-settings:'tnum'}
.slotregel{
  margin-top:44px;padding-top:24px;border-top:1.5px solid var(--text);
  font-size:17px;font-weight:600;max-width:60ch;
}

/* ---------- vragen/accordeons ---------- */
.qa{border-bottom:1px solid var(--line)}
.qa:first-of-type{border-top:1px solid var(--line)}
.qa summary{
  cursor:pointer;list-style:none;display:grid;grid-template-columns:1fr 28px;gap:16px;
  align-items:center;padding:22px 0;font-size:17px;font-weight:600;letter-spacing:-.01em;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{
  content:'+';font-size:22px;font-weight:400;color:var(--copper);text-align:center;
  transition:transform .2s ease;line-height:1;
}
.qa[open] summary::after{transform:rotate(45deg)}
.qa .a{padding:0 0 24px;font-size:15.5px;color:var(--text-soft);max-width:62ch}
.qas{margin-top:40px}

/* ---------- routescan ---------- */
.scan{
  margin-top:52px;border:1.5px solid var(--copper);
  display:grid;grid-template-columns:7fr 5fr;gap:0;overflow:hidden;background:var(--paper);
}
.scan .sl{padding:40px 44px}
.scan .sr{background:var(--paper-2);padding:40px 44px;border-left:1px solid var(--line)}
.scan h3{font-size:24px;font-weight:800;letter-spacing:-.02em}
.scan p{margin-top:14px;font-size:15.5px;color:var(--text-soft);max-width:52ch}
.scan .sr .dl{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);margin-bottom:14px}
.scan ul{list-style:none;display:grid;gap:10px;font-size:15px}
.scan ul li{padding-left:22px;position:relative;color:var(--text-soft)}
.scan ul li::before{content:'';position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:50%;background:var(--copper)}
.scan .btn{margin-top:26px}
.micro{margin-top:14px;font-size:13px;color:var(--text-faint)}

/* ---------- kennisbank ---------- */
.kb{margin-top:48px;list-style:none;border-top:1px solid var(--line)}
.kb li{border-bottom:1px solid var(--line)}
.kb a{
  display:grid;grid-template-columns:56px 1fr auto auto;gap:20px;align-items:baseline;
  padding:20px 0;text-decoration:none;color:var(--text);
}
.kb .n{font-size:14px;font-weight:700;color:var(--text-faint);font-feature-settings:'tnum'}
.kb .t{font-size:17px;font-weight:600;letter-spacing:-.01em;transition:color .15s ease}
.kb a:hover .t{color:var(--copper)}
.kb .tag{
  font-size:10.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--text-faint);
}
.kb .lt{font-size:13px;color:var(--text-faint);font-feature-settings:'tnum';white-space:nowrap}

/* ---------- founder / naam ---------- */
.duo{display:grid;grid-template-columns:7fr 5fr;gap:72px;margin-top:72px;align-items:start}
.duo h2{font-size:clamp(24px,3vw,32px)}
#vragen .ledger li{grid-template-columns:96px 1fr auto}
#vragen .ledger .amt{justify-self:end;font-size:19px;font-weight:700;color:var(--text-faint);font-feature-settings:'tnum';letter-spacing:.04em}
#vragen .ledger li.tot{border-top:1.5px solid var(--text);border-bottom:4px double var(--text)}
.paraaf{margin-top:40px;max-width:320px}
.paraaf .pl{display:block;font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--text-faint);margin-bottom:26px}
.paraaf .pline{height:1px;background:var(--text);margin-bottom:8px}
.paraaf .pn{font-size:13px;color:var(--text-soft)}
.xref{display:inline-block;margin-top:10px;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.xref a{color:var(--text-faint);text-decoration:none}
.xref a:hover{color:var(--copper)}
.naam-mark{
  font-size:clamp(40px,5vw,64px);font-weight:800;letter-spacing:-.045em;line-height:1;
  color:var(--text);
}
.naam-mark i{font-style:normal;color:var(--copper)}
.naam-sub{margin-top:14px;font-size:13.5px;color:var(--text-faint)}

/* ---------- contact ---------- */
.contact .actions{margin-top:38px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.partner{
  margin-top:72px;padding-top:24px;border-top:1px solid var(--line-dark);
  font-size:13.5px;color:var(--on-dark-soft);max-width:62ch;
}
.partner a{color:var(--copper-light);text-decoration:none}
.partner a:hover{text-decoration:underline}
.contact .wrap::after{
  content:'';position:absolute;left:calc(var(--rail-x) - 5px);bottom:88px;
  width:12px;height:12px;border-radius:50%;background:var(--copper);
}

/* ---------- footer ---------- */
footer{background:var(--ink);color:var(--on-dark-soft);border-top:1px solid var(--line-dark)}
footer .wrap{
  padding:36px;display:flex;gap:12px 30px;align-items:center;flex-wrap:wrap;font-size:13px;
}
footer .wrap::before{display:none}
footer .mark{font-size:16px}
footer a{color:var(--on-dark-soft);text-decoration:none}
footer a:hover{color:var(--on-dark)}
footer .pay{color:var(--on-dark)}
footer .fine{width:100%;font-size:11.5px;opacity:.7;margin-top:6px}

/* ---------- artikelpagina ---------- */
.article-head{background:var(--ink);color:var(--on-dark);padding:88px 0 72px}
.article-head .meta{
  display:flex;gap:18px;font-size:12px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--copper-light);margin-bottom:24px;
}
.article-head .meta .sep{color:var(--line-dark)}
.article-head h1{font-size:clamp(30px,4.4vw,50px);max-width:22ch}
.article-head .lede{color:var(--on-dark-soft)}
.article-body{padding:72px 0 96px}
.article-body .wrap::before{display:none}
.article-body .inner{max-width:680px}
.article-body p{margin:0 0 20px;color:var(--text-soft);font-size:17px}
.article-body p strong{color:var(--text);font-weight:600}
.article-body h2{font-size:26px;margin:44px 0 16px;max-width:none}
.article-body ul,.article-body ol{margin:0 0 20px 22px;color:var(--text-soft);display:grid;gap:8px}
.article-body .bridge{
  margin-top:52px;border:1.5px solid var(--copper);padding:30px 34px;
}
.article-body .bridge p{margin:0 0 18px;font-size:15.5px}
.backlink{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-soft);text-decoration:none}
.backlink:hover{color:var(--on-dark)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  :root{--rail-x:18px}
  .wrap{padding:0 24px 0 56px}
  .bar{padding:0 20px;gap:14px}
  .bar nav{display:none}
  .bar .cta .btn{padding:10px 14px;font-size:10px;letter-spacing:.1em;white-space:nowrap}
  .hero svg.split{display:none}
  .chap::before{left:-45px}
  .station{grid-template-columns:52px 1fr}
  .station .sn{font-size:36px}
  .station .doc{grid-column:2}
  .station::before{left:calc(var(--rail-x) - 61px)}
  .splitwrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .splitwrap svg{min-width:560px}
  .station .marge{display:none}
  .hero-grid{grid-template-columns:1fr}
  .stamp{display:none}
  .hero svg.split{margin-top:40px;justify-self:start;max-width:340px}
  .bigfig{grid-template-columns:1fr;gap:16px}
  .proof{grid-template-columns:1fr;gap:40px}
  .contract{grid-template-columns:1fr;gap:40px}
  .scan{grid-template-columns:1fr}
  .scan .sr{border-left:none;border-top:1px solid var(--line)}
  .duo{grid-template-columns:1fr;gap:40px}
  .ledger li{grid-template-columns:56px 1fr}
  .ledger .n{font-size:22px}
  .kb a{grid-template-columns:40px 1fr;gap:8px 16px}
  .kb .tag,.kb .lt{grid-column:2}
  section.sec{padding:76px 0}
  .station::before{top:40px}
}