/* i² design tokens — loaded first. The marketing site is LIGHT; dark chapters are authored, never OS-flipped. */
:root{
  color-scheme:light;
  --paper:#F7F6F3;--panel:#FFFFFF;--panel-2:#EFEDE8;
  --ink:#1A1A1A;--ink-2:#4A4640;--muted:#6E6A63;--rule:#E4E1DB;
  --red:#B40101;--red-wash:#F6E6E4;--blackout:#0A0A0B;--white:#FFFFFF;
  --f:"Schibsted Grotesk","Schibsted Fallback","Helvetica Neue",Arial,sans-serif;
  --m:"IBM Plex Mono","Plex Fallback",ui-monospace,SFMono-Regular,Menlo,monospace;
  --t-display:clamp(52px,8.5vw,112px);--lh-display:.92;--ls-display:-.035em;
  --t-h1:clamp(40px,6vw,80px);--lh-h1:.95;--ls-h1:-.03em;
  --t-h2:clamp(30px,4.2vw,52px);--lh-h2:1.02;--ls-h2:-.025em;
  --t-h3:clamp(20px,2vw,26px);--lh-h3:1.15;--ls-h3:-.015em;
  --t-lede:clamp(18px,1.5vw,22px);--lh-lede:1.45;
  --t-body:17px;--lh-body:1.6;
  --t-data:clamp(13px,1vw,15px);
  --t-big:clamp(28px,3.2vw,44px);
  --t-label:11px;
  --s-1:4px;--s-2:8px;--s-3:12px;--s-4:16px;--s-5:24px;--s-6:32px;--s-7:48px;--s-8:64px;--s-9:96px;
  --s-section:clamp(72px,12vh,160px);--wrap:1500px;--gutter:70px;
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:24px;--r-pill:999px;
  --shadow-card:0 1px 2px rgba(26,26,26,.06);
  --shadow-plate:0 1px 0 rgba(26,26,26,.05),0 30px 60px -30px rgba(10,10,11,.45);
  --shadow-plate-elev:0 60px 120px -40px rgba(10,10,11,.55);
  --ease-out:cubic-bezier(.16,1,.3,1);--ease-inout:cubic-bezier(.65,0,.35,1);
  --dur-fast:250ms;--dur:600ms;--dur-slow:900ms;
  --header-h:72px;
  /* legacy aliases (pages written against v1 still resolve) */
  --black:var(--blackout);--max:var(--wrap);
}
@media (max-width:480px){:root{--gutter:20px}}
/* Authored dark chapters: force-set, never inverted by the OS */
.chapter-dark,[data-theme="dark"]{
  --paper:#0A0A0B;--panel:#141416;--panel-2:#1C1C1F;--ink:#FFFFFF;--ink-2:#D5D3CE;
  --muted:#8B8B90;--rule:#2A2A2E;--red-wash:#2A1412;
  --shadow-plate:0 1px 0 rgba(255,255,255,.04),0 30px 60px -30px rgba(0,0,0,.7);
  background:var(--paper);color:var(--ink);
}