/* Approved paper-grid treatment, selected 15 October 2026. */
:root { --paper-grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23787878' filter='url(%23n)' opacity='.035' d='M0 0h180v180H0z'/%3E%3C/svg%3E"); }
.btn,.site-nav a,.menu-toggle {border-radius:var(--paper-control-radius);}
:focus-visible {border-radius:var(--paper-control-radius);}
.btn-link {border-radius:3px;}
/* Progress circles, logo geometry and source-document shapes retain their roles. */

:root {--paper-control-radius:10px;}
html[data-texture="paper"] body::before {
  opacity:1;
  background-image:linear-gradient(rgba(113,113,122,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(113,113,122,.035) 1px,transparent 1px),var(--paper-grain);
  background-size:48px 32px,48px 32px,180px 180px;
  background-position:0 0;
}
.btn-primary,.site-header.has-primary-cta .header-cta {
  border-color:rgba(49,46,129,.22);
  box-shadow:0 2px 0 rgba(49,46,129,.16),0 3px 6px rgba(24,24,27,.04);
}
.btn-ghost {background:rgba(255,255,255,.5);}