:root{
  --bg:#efe9dc;
  --bg-2:#e4dccb;
  --paper:#f8f4eb;
  --ink:#2d2f33;
  --muted:#6f736f;
  --line:#b8aa94;
  --accent:#7b5f3d;
  --accent-2:#3e5366;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:linear-gradient(180deg,var(--bg),#ece5d8 30%,var(--bg) 100%);
  color:var(--ink);
  font-family: Georgia,"Times New Roman",serif;
  line-height:1.7;
}
img{max-width:100%;display:block}
a{color:var(--accent-2)}
.container{width:min(100% - 2rem,var(--max));margin:0 auto}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:1rem;top:1rem;background:#fff;padding:.6rem .9rem}
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(8px);
  background:rgba(239,233,220,.88);
  border-bottom:1px solid rgba(123,95,61,.22);
}
.header-inner{
  display:grid;grid-template-columns:260px 1fr;align-items:center;
  min-height:78px;gap:1rem;
}
.brand{display:flex;flex-direction:column;text-decoration:none;color:inherit}
.brand small{font:600 .78rem/1.2 ui-sans-serif,system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.brand strong{font-size:1.15rem;letter-spacing:.01em}
.site-nav{display:flex;gap:1.1rem;justify-content:flex-end;flex-wrap:wrap}
.site-nav a{
  text-decoration:none;color:var(--muted);font:600 .95rem/1.1 ui-sans-serif,system-ui,sans-serif;
  letter-spacing:.03em;padding:.35rem 0;border-bottom:2px solid transparent
}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--ink);border-color:var(--accent)}
.menu-toggle{display:none}

.layout{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:2rem;
  padding:2rem 0 4rem;
}
.rail{
  position:sticky; top:92px; align-self:start;
  border:1px solid rgba(123,95,61,.25);
  background:rgba(248,244,235,.72);
  padding:1rem 1rem 1.1rem; border-radius:18px;
}
.rail .eyebrow{margin-top:0}
.rail ul{list-style:none;margin:.8rem 0 0;padding:0}
.rail li{margin:0}
.rail a{display:block;padding:.55rem 0;color:var(--ink);text-decoration:none;border-top:1px solid rgba(123,95,61,.15)}
.rail li:first-child a{border-top:0;padding-top:0}
.rail-note{margin-top:1rem;padding-top:1rem;border-top:1px solid rgba(123,95,61,.15);color:var(--muted);font-size:.92rem}

.page{
  background:var(--paper);
  border:1px solid rgba(123,95,61,.22);
  border-radius:22px;
  padding:1.6rem 1.6rem 2rem;
  box-shadow:0 16px 40px rgba(67,54,36,.06);
}
.hero{padding:.3rem 0 1rem;border-bottom:1px solid rgba(123,95,61,.15);margin-bottom:1.5rem}
.kicker{font:700 .78rem/1.2 ui-sans-serif,system-ui,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 .8rem}
.hero h1{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1.03;margin:0 0 .9rem;font-weight:700}
.hero p.lead{font-size:1.1rem;color:#4a4c50;max-width:48rem;margin:0}
.hero-meta{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1rem;font:600 .82rem/1.2 ui-sans-serif,system-ui,sans-serif;color:var(--muted)}
.section{padding:1.6rem 0;border-top:1px solid rgba(123,95,61,.12)}
.section:first-of-type{border-top:0;padding-top:0}
.section-title{display:grid;grid-template-columns:220px 1fr;gap:1rem;align-items:start;margin-bottom:1rem}
.section-title h2{margin:0;font-size:1.55rem}
.section-title p{margin:0;color:var(--muted)}
.notes-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.note{
  border:1px solid rgba(123,95,61,.18);
  background:linear-gradient(180deg,rgba(255,255,255,.35),rgba(255,255,255,.15));
  border-radius:16px;padding:1rem
}
.note .tag{font:700 .72rem/1 ui-sans-serif,system-ui,sans-serif;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:.6rem}
.note h3{margin:.15rem 0 .5rem;font-size:1.18rem}
.note p{margin:0;color:var(--muted)}
.framework-table{
  border:1px solid rgba(123,95,61,.2);border-radius:16px;overflow:hidden;background:#fbf8f2
}
.row{display:grid;grid-template-columns:210px 1fr 1fr}
.row>*{padding:.95rem 1rem;border-top:1px solid rgba(123,95,61,.15)}
.row:first-child>*{border-top:0}
.row .head{font:700 .76rem/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);background:#f1e9db}
.row strong{display:block;font-size:1rem}
.featured-list{display:grid;gap:.8rem}
.feature{
  display:grid;grid-template-columns:150px 1fr auto;gap:1rem;align-items:start;
  border-top:1px solid rgba(123,95,61,.12);padding-top:.9rem
}
.feature:first-child{border-top:0;padding-top:0}
.feature .meta{font:700 .73rem/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.feature h3{margin:.1rem 0 .35rem;font-size:1.15rem}
.feature p{margin:0;color:var(--muted)}
.feature a{text-decoration:none;font:700 .9rem/1.1 ui-sans-serif,system-ui,sans-serif}
.quote-box{
  border-left:4px solid var(--accent);
  padding:0 0 0 1rem;margin:1rem 0;color:#44474b;font-style:italic
}
.callout{
  display:grid;grid-template-columns:1.1fr .9fr;gap:1rem;align-items:start;
  background:#f3ecdf;border:1px solid rgba(123,95,61,.15);border-radius:18px;padding:1rem 1.1rem
}
.callout h3{margin:.1rem 0 .5rem;font-size:1.18rem}
.callout p,.callout li{margin:0;color:var(--muted)}
.list-clean{list-style:none;padding:0;margin:0;display:grid;gap:.45rem}
.doc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.doc{
  border:1px solid rgba(123,95,61,.18);
  background:#fcfaf5;border-radius:16px;padding:1rem
}
.doc h3{margin:.1rem 0 .4rem;font-size:1.15rem}
.doc p{margin:0;color:var(--muted)}
.footer{
  padding:2rem 0 3rem;color:var(--muted);font-size:.95rem
}
.footer-inner{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  border-top:1px solid rgba(123,95,61,.18);padding-top:1rem
}
.article-body{max-width:50rem}
.article-body h2{font-size:1.8rem;margin:1.6rem 0 .7rem}
.article-body h3{font-size:1.2rem;margin:1rem 0 .5rem}
.article-body p, .article-body li{color:#494d52}
.article-body blockquote{
  margin:1rem 0;padding:1rem 1rem 1rem 1.2rem;background:#f3ecdf;border-left:4px solid var(--accent)
}
.article-date{
  margin: .4rem 0 1rem;
  font-size: .95rem;
  opacity: .75;
}
.mono{
  font-family: ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:#efe8da;padding:.1rem .35rem;border-radius:6px;font-size:.92em
}
@media (max-width: 980px){
  .layout{grid-template-columns:1fr}
  .rail{position:static}
  .section-title,.callout,.row,.feature,.notes-grid,.doc-list{grid-template-columns:1fr}
  .feature{gap:.45rem}
  .header-inner{grid-template-columns:1fr}
  .site-nav{justify-content:flex-start}
}