/* Accrena — Ledger Grid
   Layout: one dark world. Ruled rows like a ledger book run the full width; content sits on a 12-col grid inside them. */
/* Self-hosted fonts (SIL Open Font License, see fonts/OFL-*.txt). Latin subset only;
   anything outside it (Σ, →) falls back to the system face, as it did with Google Fonts. */
@font-face{font-family:"Schibsted Grotesk";src:url("/assets/fonts/schibsted-grotesk-latin.e3b56e90.woff2") format("woff2");font-weight:400 900;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Mono";src:url("/assets/fonts/ibm-plex-mono-400-latin.c36f509c.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#0b0c0d;
  --ink-2:#121416;
  --rule:rgba(233,235,236,.09);
  --rule-strong:rgba(233,235,236,.18);
  --dim:#5d6369;   /* large type only: 3.2:1 on --ink */
  --label:#7b8288; /* small labels: 5.0:1 on --ink */
  --mute:#8c9298;
  --paper:#e9ebec;
  --f-display:"Schibsted Grotesk",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --gutter:clamp(20px,4vw,56px);
  --max:1320px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--paper);font:400 17px/1.6 var(--f-display);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit;text-decoration:none}
::selection{background:var(--paper);color:var(--ink)}
:focus-visible{outline:1px solid var(--paper);outline-offset:4px}
img,svg{display:block;max-width:100%}

.shell{width:100%;max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase}

/* ---------- skip link, anchors ---------- */
.skip{position:absolute;left:var(--gutter);top:-100px;z-index:30;background:var(--paper);color:var(--ink);padding:12px 16px;font:400 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase}
.skip:focus{top:12px}
[id]{scroll-margin-top:96px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:10;background:linear-gradient(var(--ink) 60%,rgba(11,12,13,0));}
.nav .shell{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:22px}
.brand{display:flex;align-items:center;gap:12px}
.brand svg{width:22px;height:22px}
.brand .wm{height:11px;width:auto}
.nav ul{display:flex;gap:clamp(16px,3vw,40px);list-style:none;margin:0;padding:0}
.nav a.link{font:400 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mute);transition:color .2s}
.nav a.link:hover,.nav a.link[aria-current="page"]{color:var(--paper)}
.nav a.link[aria-current="page"]::before{content:"› ";color:var(--dim)}

.nav a.link{white-space:nowrap}
.menu-btn{display:none;font:400 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--paper);border:1px solid var(--rule-strong);padding:10px 12px}
@media (max-width:640px){
  .menu-btn{display:inline-block}
  .nav ul{display:none}
  .nav[data-open]{background:var(--ink)}
  .nav[data-open] ul{display:flex;flex-direction:column;position:fixed;inset:var(--nav-h,78px) 0 0 0;padding:8px var(--gutter) 40px;background:var(--ink);overflow-y:auto;border-top:1px solid var(--rule)}
  .nav[data-open] li{border-bottom:1px solid var(--rule)}
  .nav[data-open] a.link{display:block;padding-block:22px;font:400 32px/1.1 var(--f-display);letter-spacing:-.03em;text-transform:none;color:var(--paper)}
  .nav[data-open] a.link[aria-current="page"]{color:var(--mute)}
  .nav[data-open] a.link[aria-current="page"]::before{content:none}
}
html.menu-open{overflow:hidden}

/* ---------- hero ---------- */
.hero{position:relative;isolation:isolate;border-bottom:1px solid var(--rule)}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero .shell{display:grid;gap:28px;padding-block:clamp(120px,22vh,220px) clamp(56px,10vh,96px)}
.hero.short .shell{padding-block:clamp(88px,16vh,160px) clamp(48px,8vh,80px)}
.eyebrow{font:400 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--label)}
h1{font:400 clamp(44px,8.4vw,128px)/.96 var(--f-display);letter-spacing:-.05em;margin:0;max-width:13ch;text-wrap:balance}
h1 em{font-style:normal;color:var(--dim)}
.hero.short h1{font-size:clamp(40px,6.4vw,96px);max-width:15ch}
.lede{font-size:clamp(17px,1.5vw,20px);line-height:1.55;color:var(--mute);max-width:46ch;margin:0}
.hero-foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 32px;margin-top:clamp(24px,6vh,64px);padding-top:20px;border-top:1px solid var(--rule)}
.hero-foot .eq{color:var(--paper)}
.hero-foot > span{color:var(--label)}

/* load sequence: starts visible-enough, settles quickly */
@keyframes settle{from{opacity:.001;transform:translateY(14px)}to{opacity:1;transform:none}}
.rise{animation:settle .9s cubic-bezier(.2,.7,.1,1) both}
.rise.d1{animation-delay:.08s}.rise.d2{animation-delay:.18s}.rise.d3{animation-delay:.3s}

/* ---------- ledger rows (principles, steps, trust) ---------- */
.section{padding-block:clamp(72px,12vh,140px) 0}
.section.flush{padding-top:0}
.section-head{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:end;margin-bottom:40px}
.section-head .eyebrow{grid-column:1 / span 3}
.section-head h2{grid-column:4 / span 9;font:400 clamp(28px,3.4vw,48px)/1.05 var(--f-display);letter-spacing:-.035em;margin:0;text-wrap:balance;max-width:22ch}
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule-strong)}
.row{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;padding-block:28px 32px;border-bottom:1px solid var(--rule);position:relative;transition:background .3s}
.row::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;background:var(--paper);transition:width .6s cubic-bezier(.2,.7,.1,1)}
.row:hover::after{width:100%}
.row .ref{grid-column:1 / span 3;font:400 12px/1.9 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--label)}
.row h3{grid-column:4 / span 4;font:400 clamp(22px,2.2vw,30px)/1.15 var(--f-display);letter-spacing:-.025em;margin:0}
.row p{grid-column:8 / span 5;margin:0;color:var(--mute);max-width:44ch}
.row .amt{font-variant-numeric:tabular-nums}
@media (max-width:820px){
  .section-head,.row{grid-template-columns:minmax(0,1fr);gap:10px}
  .section-head .eyebrow,.section-head h2,.row .ref,.row h3,.row p{grid-column:1}
}

/* ---------- statement band ---------- */
.statement{padding-block:clamp(96px,16vh,180px);border-bottom:1px solid var(--rule)}
.statement p{font:400 clamp(32px,5vw,72px)/1.04 var(--f-display);letter-spacing:-.045em;margin:0;max-width:18ch;text-wrap:balance}
.statement p span{color:var(--dim)}

/* ---------- prose (approach) ---------- */
.prose{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;padding-block:clamp(64px,10vh,120px)}
.prose .eyebrow{grid-column:1 / span 3;padding-top:8px}
.prose .body{grid-column:4 / span 7;display:grid;gap:22px}
.prose .body p{margin:0;font-size:clamp(19px,1.7vw,24px);line-height:1.5;letter-spacing:-.01em;color:var(--mute)}
.prose .body p:first-child{color:var(--paper)}
@media (max-width:820px){.prose{grid-template-columns:minmax(0,1fr)}.prose .eyebrow,.prose .body{grid-column:1}}

/* ---------- contact ---------- */
.contact{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;padding-block:clamp(56px,10vh,120px);border-bottom:1px solid var(--rule)}
.contact .eyebrow{grid-column:1 / span 3;padding-top:14px}
.contact .addr{grid-column:4 / span 9;display:grid;gap:20px;justify-items:start}
.contact .email{font:400 clamp(30px,5vw,68px)/1 var(--f-display);letter-spacing:-.04em;border-bottom:1px solid var(--rule-strong);padding-bottom:10px;transition:border-color .3s;word-break:break-word}
.contact .email:hover{border-color:var(--paper)}
.copy{font:400 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mute);background:none;border:1px solid var(--rule-strong);padding:10px 14px;cursor:pointer;transition:color .2s,border-color .2s}
.copy:hover{color:var(--paper);border-color:var(--paper)}
.contact .note{color:var(--mute);max-width:46ch;margin:0}
@media (max-width:820px){.contact{grid-template-columns:minmax(0,1fr)}.contact .eyebrow,.contact .addr{grid-column:1}}

/* ---------- audience cells ---------- */
.cells{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--rule-strong)}
.cell{display:grid;gap:12px;align-content:start;padding-block:32px 40px;border-bottom:1px solid var(--rule)}
.cell:nth-child(odd){padding-right:clamp(20px,4vw,56px);border-right:1px solid var(--rule)}
.cell:nth-child(even){padding-left:clamp(20px,4vw,56px)}
.cell .ref{font:400 12px/1.9 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--label)}
.cell h3{font:400 clamp(22px,2.2vw,30px)/1.15 var(--f-display);letter-spacing:-.025em;margin:0;max-width:20ch;text-wrap:balance}
.cell p{margin:0;color:var(--mute);max-width:44ch}
@media (max-width:820px){.cells{grid-template-columns:minmax(0,1fr)}.cell:nth-child(n){padding-inline:0;border-right:0}}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--rule-strong)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding-block:24px;font:400 clamp(19px,1.8vw,24px)/1.3 var(--f-display);letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 18px/1 var(--f-mono);color:var(--label);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--paper)}
.faq summary:hover::after{color:var(--paper)}
.faq details p{margin:0;padding-bottom:26px;color:var(--mute);max-width:56ch}
.faq details p a{color:var(--paper);border-bottom:1px solid var(--rule-strong)}

/* ---------- call to action ---------- */
.cta{border-bottom:1px solid var(--rule)}
.cta .shell{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;padding-block:clamp(56px,9vh,96px)}
.cta h2{font:400 clamp(26px,3vw,40px)/1.1 var(--f-display);letter-spacing:-.03em;margin:0;max-width:20ch;text-wrap:balance}
.btn{display:inline-flex;gap:12px;align-items:center;border:1px solid var(--paper);padding:16px 22px;color:var(--paper);transition:background .25s,color .25s}
.btn:hover{background:var(--paper);color:var(--ink)}

/* ---------- Step7Labs credit ---------- */
.s7{color:var(--mute);transition:color .2s}
.s7:hover{color:var(--paper)}

/* ---------- footer ---------- */
.foot{margin-top:auto;border-top:1px solid var(--rule)}
.foot .shell{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;padding-block:40px 48px}
.foot .brand{grid-column:1 / span 3}
.foot .eq{grid-column:4 / span 3;color:var(--paper)}
.foot nav{grid-column:7 / span 3;display:flex;gap:12px 20px;flex-wrap:wrap}
.foot nav a{color:var(--mute)}.foot nav a:hover{color:var(--paper)}
.foot small{grid-column:10 / span 3;display:grid;gap:10px;justify-items:end;text-align:right;color:var(--label)}
@media (max-width:820px){.foot .shell{grid-template-columns:minmax(0,1fr)}.foot .brand,.foot .eq,.foot nav,.foot small{grid-column:1;text-align:left;justify-items:start}}

/* ---------- page transitions (Chrome, Edge, Safari; others change pages normally) ---------- */
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  .nav{view-transition-name:site-nav}
  ::view-transition-old(root),::view-transition-new(root){animation-duration:.32s}
}
.eq{font-variant-numeric:tabular-nums}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}