/* ================================================================
   LEARN ARTICLE STYLES
   Shared by all guide / educational pages
   Loaded once per article via <link> in the page <head>
   ================================================================ */

.learn-breadcrumb{
  padding:18px 0 0;font-family:var(--mono);font-size:.72rem;
  color:var(--muted);letter-spacing:.12em;text-transform:uppercase;
}
.learn-breadcrumb a{color:var(--muted);text-decoration:none;}
.learn-breadcrumb a:hover{color:var(--red);}
.learn-breadcrumb .sep{margin:0 8px;color:var(--muted-2);}
.learn-breadcrumb .current{color:#fff;}

.learn-hero{
  padding:48px 0 32px;
  border-bottom:1px solid var(--line);
  margin-bottom:48px;
}
.learn-hero .category-tag{
  display:inline-block;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--red);
  padding:6px 12px;border:1px solid rgba(214,31,38,.4);
  border-radius:4px;margin-bottom:18px;
}
.learn-hero h1{
  font-family:var(--display);
  font-size:clamp(2.4rem,5vw,4rem);line-height:.98;
  letter-spacing:-.025em;text-transform:uppercase;
  margin-bottom:22px;
}
.learn-hero h1 .accent{color:var(--red);}
.learn-hero .article-lede{
  font-size:1.18rem;color:var(--text-2);
  max-width:780px;line-height:1.55;
  margin-bottom:24px;
}
.learn-hero .meta-row{
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;
  font-family:var(--mono);font-size:.74rem;
  color:var(--muted);letter-spacing:.08em;text-transform:uppercase;
  padding-top:14px;
}
.learn-hero .meta-row .dot{color:var(--muted-2);}
.learn-hero .meta-row .author{color:#fff;}

.learn-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;align-items:start;
  padding-bottom:80px;
}
@media (max-width:1020px){
  .learn-layout{grid-template-columns:1fr;gap:32px;}
}

.learn-content .tldr{
  background:rgba(214,31,38,.05);
  border:1px solid rgba(214,31,38,.3);
  border-left:4px solid var(--red);
  padding:22px 26px;border-radius:8px;
  margin-bottom:36px;
}
.learn-content .tldr-label{
  font-family:var(--mono);font-size:.7rem;
  letter-spacing:.2em;color:var(--red);
  text-transform:uppercase;font-weight:700;margin-bottom:10px;
}
.learn-content .tldr p{margin:0;color:var(--text-1);font-size:1.02rem;line-height:1.6;}
.learn-content .tldr strong{color:#fff;}

.learn-content h2{
  font-family:var(--display);
  font-size:clamp(1.6rem,3vw,2.2rem);
  text-transform:uppercase;letter-spacing:-.018em;line-height:1.05;
  margin:54px 0 18px;color:#fff;
  scroll-margin-top:80px;
}
.learn-content h2 .num{
  color:var(--red);font-family:var(--mono);
  font-size:.62em;letter-spacing:.1em;
  margin-right:14px;font-weight:700;
}
.learn-content h3{
  font-family:var(--display);
  font-size:1.25rem;text-transform:uppercase;
  margin:34px 0 12px;color:#fff;
  letter-spacing:-.005em;
}
.learn-content p{
  color:var(--text-2);font-size:1.02rem;line-height:1.72;
  margin-bottom:16px;
}
.learn-content strong{color:#fff;font-weight:600;}
.learn-content em{color:var(--text-1);}
.learn-content ul, .learn-content ol{
  margin:8px 0 22px 22px;color:var(--text-2);
}
.learn-content li{margin-bottom:10px;line-height:1.68;}
.learn-content li strong{color:#fff;}
.learn-content a{
  color:var(--red);text-decoration:none;
  border-bottom:1px solid rgba(214,31,38,.35);
  transition:border-color .15s;
}
.learn-content a:hover{border-bottom-color:var(--red);}

.learn-content blockquote{
  border-left:3px solid var(--red);
  padding:14px 22px;
  background:rgba(255,255,255,.02);
  margin:24px 0;
  color:var(--text-1);font-style:italic;
}

.learn-content table{
  width:100%;border-collapse:collapse;
  margin:22px 0;background:var(--panel);
  border:1px solid var(--line);border-radius:8px;
  overflow:hidden;font-size:.94rem;
}
.learn-content table th{
  text-align:left;padding:12px 16px;
  background:var(--panel-2);color:#fff;
  font-family:var(--display);text-transform:uppercase;
  font-size:.78rem;letter-spacing:.06em;
  border-bottom:1px solid var(--line);
}
.learn-content table td{
  padding:12px 16px;border-top:1px solid var(--line);
  vertical-align:top;color:var(--text-2);
}
.learn-content table tr:nth-child(even) td{background:rgba(255,255,255,.015);}

.learn-content code{
  font-family:var(--mono);font-size:.88em;
  background:rgba(255,255,255,.06);
  padding:2px 7px;border-radius:4px;color:#ffb6b8;
}
.learn-content pre{
  background:#0a0a0a;border:1px solid var(--line);
  border-radius:8px;padding:18px 20px;
  margin:18px 0;overflow-x:auto;
  font-size:.84rem;line-height:1.55;
}
.learn-content pre code{background:transparent;padding:0;color:var(--text-1);}

.callout-box{
  margin:28px 0;padding:22px 26px;
  background:linear-gradient(135deg, rgba(214,31,38,.08), rgba(0,0,0,0));
  border:1px solid rgba(214,31,38,.3);border-radius:12px;
}
.callout-box .ck-label{
  display:block;font-family:var(--display);text-transform:uppercase;
  color:var(--red);font-size:.82rem;letter-spacing:.05em;
  font-weight:700;margin-bottom:10px;
}
.callout-box p{margin:0;}

.article-faq{
  margin-top:64px;padding-top:42px;
  border-top:1px solid var(--line);
}
.article-faq h2{margin-top:0 !important;}
details.faq{
  border:1px solid var(--line);border-radius:10px;
  margin-bottom:10px;background:var(--panel);
}
details.faq[open]{border-color:rgba(214,31,38,.5);}
details.faq summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;font-weight:600;color:#fff;
  font-size:.98rem;display:flex;align-items:center;
  justify-content:space-between;gap:14px;
}
details.faq summary::-webkit-details-marker{display:none;}
details.faq summary::after{
  content:"+";color:var(--red);font-size:1.4rem;
  font-weight:700;line-height:1;
}
details.faq[open] summary::after{content:"\2212";}
details.faq .a{
  padding:0 22px 18px;color:var(--text-2);
  line-height:1.7;font-size:.96rem;
}

.article-cta{
  margin-top:52px;padding:34px 32px;
  background:linear-gradient(135deg, rgba(214,31,38,.12), rgba(0,0,0,0));
  border:1px solid var(--red);border-radius:14px;
  text-align:center;
}
.article-cta h3{
  font-family:var(--display);text-transform:uppercase;
  font-size:1.4rem;margin-bottom:8px;color:#fff;letter-spacing:-.005em;
}
.article-cta p{color:var(--text-2);margin-bottom:18px;}
.article-cta .btn{margin:0 6px;}

aside.learn-sidebar{position:sticky;top:24px;}
@media (max-width:1020px){aside.learn-sidebar{position:static;}}
.side-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:22px;margin-bottom:18px;
}
.side-card.accent{
  background:linear-gradient(135deg, rgba(214,31,38,.12), rgba(0,0,0,0));
  border-color:var(--red);
}
.side-card h4{
  font-family:var(--mono);font-size:.72rem;
  letter-spacing:.2em;text-transform:uppercase;
  color:#fff;margin-bottom:14px;font-weight:700;
}
.side-card.accent h4{color:var(--red);}
.side-card ul{list-style:none;padding-left:0;margin:0;}
.side-card li{margin-bottom:9px;font-size:.9rem;line-height:1.4;}
.side-card a{
  color:var(--muted);text-decoration:none;
  transition:color .15s;display:block;
}
.side-card a:hover{color:var(--red);}
.side-card a.current{color:var(--red);font-weight:600;}

.toc-list{font-size:.86rem;}
.toc-list a{padding:4px 0;}

/* Learn INDEX page styles */
.learn-index-hero{padding:60px 0 32px;}
.learn-index-hero h1{
  font-family:var(--display);font-size:clamp(2.6rem,5.6vw,4.4rem);
  line-height:.95;letter-spacing:-.025em;text-transform:uppercase;
  margin-bottom:18px;
}
.learn-index-hero h1 .accent{color:var(--red);}
.learn-index-hero .lede{
  font-size:1.16rem;color:var(--text-2);max-width:780px;line-height:1.55;
}

.learn-category{
  margin:48px 0 24px;
  display:flex;align-items:center;gap:18px;
}
.learn-category h2{
  font-family:var(--display);font-size:1.6rem;
  text-transform:uppercase;letter-spacing:-.01em;margin:0;color:#fff;
}
.learn-category .line{flex:1;height:1px;background:var(--line);}
.learn-category .count{
  font-family:var(--mono);font-size:.72rem;
  color:var(--muted);letter-spacing:.14em;
}

.learn-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));
  gap:18px;margin-bottom:24px;
}
.learn-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:26px 24px;
  text-decoration:none;display:flex;flex-direction:column;
  transition:all .2s;color:inherit;
}
.learn-card:hover{
  border-color:var(--red);background:var(--panel-2);
  transform:translateY(-2px);
}
.learn-card .lc-num{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;
  color:var(--red);text-transform:uppercase;
  font-weight:700;margin-bottom:12px;
}
.learn-card h3{
  font-family:var(--display);font-size:1.15rem;
  text-transform:uppercase;letter-spacing:-.005em;
  line-height:1.18;color:#fff;margin-bottom:12px;
}
.learn-card p{
  color:var(--text-2);font-size:.92rem;line-height:1.55;
  margin-bottom:14px;flex:1;
}
.learn-card .lc-meta{
  font-family:var(--mono);font-size:.68rem;
  color:var(--muted);letter-spacing:.1em;text-transform:uppercase;
  border-top:1px solid var(--line);padding-top:12px;
}
