/* SILProof White Papers — editorial light theme */
:root{
  --paper-ink:#14213d;
  --paper-muted:#5c6675;
  --paper-faint:#7a8494;
  --paper-line:#e5e5e5;
  --paper-soft:#f7f6f3;
  --paper-gold:#fca311;
  --paper-navy:#050816;
  --paper-max:760px;
  --paper-wide:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.sp-paper{
  margin:0;
  font-family:Manrope,ui-sans-serif,system-ui,sans-serif;
  color:var(--paper-ink);
  background:#ffffff;
  line-height:1.7;
}
body.sp-paper a{color:#0b4f8a;text-decoration:underline;text-underline-offset:2px}
body.sp-paper a:hover{color:var(--paper-navy)}
.sp-paper-wrap{width:min(var(--paper-wide),calc(100% - 40px));margin:0 auto}
.sp-paper-crumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--paper-faint);
}
.sp-paper-crumb a{color:var(--paper-muted);text-decoration:none;font-weight:500}
.sp-paper-crumb a:hover{color:var(--paper-navy);text-decoration:underline}
.sp-paper-hero{padding:28px 0 36px;border-bottom:1px solid var(--paper-line)}
.sp-paper-kicker{
  display:inline-block;
  font:650 11px/1 "IBM Plex Mono",ui-monospace,monospace;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--paper-gold);
  margin:0 0 14px;
}
.sp-paper-hero h1{
  margin:0 0 14px;
  max-width:18ch;
  font-size:clamp(32px,4.4vw,48px);
  line-height:1.12;
  letter-spacing:-.035em;
  color:var(--paper-navy);
  font-weight:700;
}
.sp-paper-dek{
  margin:0;
  max-width:42rem;
  font-size:19px;
  line-height:1.55;
  color:var(--paper-muted);
  font-weight:400;
}
.sp-paper-meta{
  margin-top:18px;
  font-size:13px;
  color:var(--paper-faint);
}
.sp-paper-heroimg{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  aspect-ratio:16/9;
  object-fit:cover;
  object-position:center;
  margin-top:28px;
  border:1px solid var(--paper-line);
  border-radius:4px;
  background:var(--paper-soft);
}
.sp-paper-layout{
  display:grid;
  grid-template-columns:minmax(0,var(--paper-max)) 240px;
  gap:56px;
  padding:44px 0 80px;
  align-items:start;
}
.sp-paper-article{min-width:0}
.sp-paper-article > p:first-of-type,
.sp-paper-article .lead{
  font-size:20px !important;
  line-height:1.65 !important;
  color:var(--paper-ink);
}
.sp-paper-article h2{
  margin:42px 0 14px;
  font-size:26px;
  line-height:1.25;
  letter-spacing:-.025em;
  color:var(--paper-navy);
  font-weight:700;
}
.sp-paper-article h3{
  margin:28px 0 10px;
  font-size:18px;
  line-height:1.35;
  color:var(--paper-navy);
  font-weight:650;
}
.sp-paper-article p,
.sp-paper-article li{
  font-size:17px;
  line-height:1.75;
  color:#243044;
  margin:0 0 16px;
}
.sp-paper-article ul,
.sp-paper-article ol{padding-left:1.35em;margin:0 0 18px}
.sp-paper-article li{margin:0 0 8px}
.sp-paper-note{
  margin:24px 0;
  padding:16px 18px;
  border-left:3px solid var(--paper-gold);
  background:var(--paper-soft);
  color:var(--paper-ink);
  font-size:16px;
  line-height:1.6;
}
.sp-paper-equation{
  margin:26px 0;
  padding:20px;
  text-align:center;
  background:#fff;
  border:1px solid var(--paper-line);
  font:600 17px/1.6 "IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--paper-navy);
}
.sp-paper-tablewrap{
  overflow:auto;
  margin:22px 0;
  border:1px solid var(--paper-line);
}
.sp-paper-tablewrap table{width:100%;border-collapse:collapse;min-width:560px}
.sp-paper-tablewrap th,
.sp-paper-tablewrap td{
  text-align:left;
  padding:12px 14px;
  border-bottom:1px solid var(--paper-line);
  font-size:14px;
  vertical-align:top;
}
.sp-paper-tablewrap th{
  background:var(--paper-soft);
  font-size:11px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--paper-faint);
  font-weight:700;
}
.sp-paper-tablewrap tr:last-child td{border-bottom:0}
.sp-paper-figure{margin:28px 0}
.sp-paper-figure img,
.sp-paper-figure svg{
  display:block;
  width:100%;
  height:auto;
  border:1px solid var(--paper-line);
  background:#fff;
}
.sp-paper-caption{
  margin-top:10px;
  font-size:13px;
  line-height:1.45;
  color:var(--paper-faint);
}
.sp-paper-side{position:sticky;top:88px}
.sp-paper-sidebox{
  border:1px solid var(--paper-line);
  padding:16px;
  background:#fff;
}
.sp-paper-sidebox strong{
  display:block;
  margin-bottom:10px;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--paper-faint);
}
.sp-paper-sidebox a{
  display:block;
  padding:7px 0;
  font-size:14px;
  color:var(--paper-ink);
  text-decoration:none;
  font-weight:500;
  border-bottom:1px solid var(--paper-line);
}
.sp-paper-sidebox a:last-child{border-bottom:0}
.sp-paper-sidebox a:hover{color:var(--paper-navy);text-decoration:underline}
.sp-paper-cta{
  margin-top:16px;
  padding:16px;
  background:var(--paper-navy);
  color:#fff;
}
.sp-paper-cta p{margin:8px 0 12px;font-size:14px;line-height:1.5;color:rgba(255,255,255,.78)}
.sp-paper-cta a{color:#fff;font-weight:600}
.sp-paper-sources{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--paper-line);
  font-size:14px;
  color:var(--paper-muted);
}
.sp-paper-sources ol{padding-left:1.2em}
.sp-paper-author{
  margin-top:24px;
  padding:16px;
  border:1px solid var(--paper-line);
  background:var(--paper-soft);
  font-size:14px;
  color:var(--paper-muted);
  line-height:1.55;
}
.sp-paper-related{
  width:min(var(--paper-wide),calc(100% - 40px));
  margin:0 auto 48px;
  padding-top:28px;
  border-top:1px solid var(--paper-line);
}
.sp-paper-related h2{
  margin:0 0 14px;
  font-size:16px;
  letter-spacing:-.02em;
  color:var(--paper-navy);
}
.sp-paper-related-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sp-paper-related a{
  display:block;
  padding:16px;
  border:1px solid var(--paper-line);
  text-decoration:none;
  color:var(--paper-ink);
  background:#fff;
}
.sp-paper-related a strong{display:block;margin-bottom:6px;color:var(--paper-navy)}
.sp-paper-related a span{font-size:13px;color:var(--paper-muted);line-height:1.45}
.sp-paper-related a:hover{border-color:#cfcfcf}
@media(max-width:900px){
  .sp-paper-layout{grid-template-columns:1fr;gap:28px}
  .sp-paper-side{position:static}
  .sp-paper-hero h1{max-width:none}
  .sp-paper-related-grid{grid-template-columns:1fr}
  .sp-paper-wrap,.sp-paper-related{width:min(var(--paper-wide),calc(100% - 28px))}
}

/* Index listing */
body.sp-paper-index{background:#ffffff;color:var(--paper-ink)}
.sp-paper-index-hero{padding:40px 0 28px}
.sp-paper-index-hero .eyebrow{
  font:650 11px/1 "IBM Plex Mono",ui-monospace,monospace;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--paper-gold);
}
.sp-paper-index-hero h1{
  margin:12px 0 10px;
  font-size:clamp(30px,4vw,44px);
  letter-spacing:-.035em;
  line-height:1.12;
  color:var(--paper-navy);
}
.sp-paper-index-hero p{
  margin:0;
  max-width:40rem;
  font-size:18px;
  line-height:1.55;
  color:var(--paper-muted);
}
.sp-paper-intro{
  padding:0 0 28px;
  max-width:42rem;
  font-size:16px;
  line-height:1.65;
  color:var(--paper-muted);
}
.sp-paper-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  padding:0 0 64px;
}
.sp-paper-card{
  display:flex;
  flex-direction:column;
  border:1px solid var(--paper-line);
  background:#fff;
  overflow:hidden;
  text-decoration:none;
  color:inherit;
}
.sp-paper-card:hover{border-color:#cfcfcf}
.sp-paper-card-media{
  aspect-ratio:16/9;
  background:var(--paper-soft);
  overflow:hidden;
}
.sp-paper-card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  display:block;
}
.sp-paper-card-body{padding:18px 18px 20px}
.sp-paper-card .tag{
  display:inline-block;
  font:700 10px/1 Manrope,ui-sans-serif,system-ui,sans-serif;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--paper-faint);
  border:1px solid var(--paper-line);
  padding:5px 8px;
}
.sp-paper-card h2{
  margin:12px 0 8px;
  font-size:22px;
  line-height:1.25;
  letter-spacing:-.02em;
  color:var(--paper-navy);
}
.sp-paper-card p{
  margin:0;
  font-size:15px;
  line-height:1.55;
  color:var(--paper-muted);
}
.sp-paper-card .read{
  margin-top:14px;
  font-size:13px;
  font-weight:650;
  color:var(--paper-navy);
  text-decoration:none;
}
@media(max-width:760px){
  .sp-paper-grid{grid-template-columns:1fr}
}

/* Reader rating and discussion (blog/engage.js) */
.sp-engage{margin:36px 0 8px}
.sp-engage h2{margin:0!important;font-size:20px!important;letter-spacing:-.02em}
.sp-engage-rate{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 22px;border:1px solid #f1d9a6;border-radius:14px;background:linear-gradient(135deg,#fffaf0,#fff 65%)}
.sp-engage-avg{margin:4px 0 0!important;font-size:14px!important;color:var(--paper-muted)!important}
.sp-engage-stars{display:flex;gap:2px}
.sp-engage-stars button{width:40px;height:40px;border:0;background:none;color:#d3d9e0;font-size:32px;line-height:1;cursor:pointer;transition:transform .12s,color .12s}
.sp-engage-stars button:hover{transform:scale(1.15)}
.sp-engage-stars button.is-on{color:#f5a300}
.sp-engage-talk{margin-top:28px}
.sp-engage-n{color:var(--paper-faint);font-weight:600}
.sp-engage-form{margin-top:12px}
.sp-engage-form textarea,.sp-engage-more input{width:100%;border:1px solid #d9dee6;border-radius:10px;padding:11px 13px;font:500 15px/1.5 Manrope,sans-serif;color:var(--paper-ink);background:#fff}
.sp-engage-form textarea{resize:vertical;min-height:64px}
.sp-engage-form textarea:focus,.sp-engage-more input:focus{outline:2px solid #fca31166;border-color:#fca311}
.sp-engage-more{display:none;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.sp-engage-form.is-open .sp-engage-more{display:grid}
.sp-engage-more input[name=email]{grid-column:1/-1}
.sp-engage-more button{grid-column:1/-1;justify-self:end;border:0;border-radius:10px;background:var(--paper-navy);color:#fff;padding:11px 20px;font:700 14px Manrope,sans-serif;cursor:pointer}
.sp-engage-more button:disabled{opacity:.6}
.sp-engage-hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.sp-engage-note{margin:8px 0 0!important;font-size:13px!important;color:var(--paper-faint)!important}
.sp-engage-status{margin:6px 0 0!important;font-size:14px!important;font-weight:600}
.sp-engage-status.is-ok{color:#0f6b3a!important}.sp-engage-status.is-err{color:#b4232c!important}
.sp-engage-list{list-style:none;margin:18px 0 0!important;padding:0!important}
.sp-engage-list li{padding:16px 0;border-top:1px solid var(--paper-line);margin:0!important}
.sp-engage-list li p{margin:8px 0 0 46px!important;font-size:16px!important;white-space:pre-line}
.sp-engage-list .sp-engage-empty{color:var(--paper-faint);font-size:15px}
.sp-engage-who{display:flex;align-items:center;gap:10px}
.sp-engage-who strong{display:block;font-size:15px;color:var(--paper-navy)}
.sp-engage-who span{font-size:13px;color:var(--paper-faint)}
.sp-engage-avatar{display:inline-grid!important;place-items:center;width:36px;height:36px;border-radius:50%;background:#14213d;color:#fff!important;font:700 15px Sora,sans-serif!important}
.sp-engage-summary{margin-left:8px;color:#b77900!important;font-weight:700;text-decoration:none!important}
@media(max-width:600px){.sp-engage-more{grid-template-columns:1fr}}

/* A question the reader should stop on. */
.sp-paper-article .sp-paper-question{margin:22px 0!important;padding-left:18px;border-left:3px solid var(--paper-gold);font:600 21px/1.45 Sora,Manrope,sans-serif!important;color:var(--paper-navy)!important;letter-spacing:-.01em}