:root{
  --primary:#a16207;
  --secondary:#713f12;
  --accent:#6d28d9;
  --bg:#ffffff;
  --surface:#fefce8;
  --surface-alt:#fef08a;
  --text:#1a1204;
  --muted:#6b7280;
  --border:#fde68a;
  --row-alt:#fefce8;
  --radius:2px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
}
a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--secondary)}
img{max-width:100%;height:auto;display:block}
header.site{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(90deg,var(--primary) 0%,var(--secondary) 60%,var(--accent) 100%);
  color:#fff;
  padding:12px 16px;
  box-shadow:0 2px 10px rgba(0,0,0,.12);
}
.site-inner{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;letter-spacing:.3px}
.brand img{width:36px;height:36px;background:#fff;border-radius:var(--radius);padding:3px}
nav.primary{display:flex;flex-wrap:wrap;gap:6px 14px;margin-left:auto}
nav.primary a{color:#fff;text-decoration:none;font-size:14px;padding:6px 8px;border-radius:var(--radius)}
nav.primary a:hover{background:rgba(255,255,255,.18)}
.hero{
  background:linear-gradient(135deg,#fefce8 0%,#fef08a 55%,#fde68a 100%);
  border-bottom:3px solid var(--accent);
  padding:36px 16px 28px;
}
.hero-inner{max-width:1000px;margin:0 auto}
.hero h1{
  margin:0 0 10px;
  font-size:clamp(24px,4vw,36px);
  line-height:1.2;
  color:var(--secondary);
}
.byline{color:var(--muted);font-size:14px;margin:0 0 14px}
.intro p{margin:0 0 10px;font-size:17px}
main{max-width:900px;margin:0 auto;padding:24px 16px 40px}
section{margin:28px 0}
h2{
  font-size:clamp(20px,2.6vw,26px);
  margin:0 0 10px;
  padding:10px 14px;
  background:var(--surface);
  border-left:5px solid var(--accent);
  border-radius:var(--radius);
  color:var(--secondary);
}
h3{color:var(--secondary);margin-top:22px}
p{margin:0 0 12px}
ul,ol{padding-left:0;margin:0 0 14px}
ul li,ol li{list-style:none;position:relative;padding:4px 0 4px 30px;margin:0}
ul li::before{
  content:"\25B8";
  position:absolute;left:8px;top:4px;
  color:var(--accent);font-weight:700;
}
ol{counter-reset:step}
ol li{counter-increment:step}
ol li::before{
  content:counter(step);
  position:absolute;left:0;top:4px;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);margin:0 0 16px}
table{width:100%;border-collapse:collapse;font-size:15px}
thead th{
  background:linear-gradient(90deg,var(--primary),var(--accent));
  color:#fff;text-align:left;padding:10px 12px;
}
tbody td{padding:10px 12px;border-top:1px solid var(--border);vertical-align:top}
tbody tr:nth-child(even){background:var(--row-alt)}
nav.toc{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:14px 16px;
  margin:18px 0 26px;
}
nav.toc strong{display:block;color:var(--secondary);margin-bottom:6px}
nav.toc ul{margin:0}
nav.toc ul li{padding:2px 0 2px 22px}
nav.toc ul li::before{content:"\00A7";color:var(--primary)}
nav.toc a{color:var(--secondary)}
details{
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:0;
  margin:0 0 10px;
  background:var(--surface);
}
details summary{
  cursor:pointer;list-style:none;
  padding:12px 42px 12px 14px;
  font-weight:600;color:var(--secondary);
  position:relative;
}
details summary::-webkit-details-marker{display:none}
details summary::after{
  content:"\25BC";
  position:absolute;right:14px;top:12px;
  color:var(--accent);transition:transform .2s ease;
}
details[open] summary::after{transform:rotate(180deg)}
details > *:not(summary){padding:0 14px 12px}
.callout{
  background:#fef3c7;
  border-left:4px solid var(--primary);
  padding:12px 14px;
  border-radius:var(--radius);
  margin:0 0 14px;
}
.warning{
  background:#fee2e2;
  border-left:4px solid #b91c1c;
  padding:12px 14px;
  border-radius:var(--radius);
  margin:0 0 14px;
  color:#7f1d1d;
}
.author-box{
  margin:32px 0 0;
  padding:18px;
  background:linear-gradient(135deg,var(--surface) 0%,var(--surface-alt) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  display:flex;gap:16px;align-items:flex-start;
}
.author-box img{width:72px;height:72px;border-radius:50%;background:#fff;padding:3px;border:2px solid var(--primary)}
.author-box .abio strong{color:var(--secondary);display:block;margin-bottom:4px}
.author-box .abio span{color:var(--muted);font-size:13px;display:block;margin-bottom:6px}
.content-svg{margin:14px 0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px}
footer.site{
  background:var(--secondary);color:#fef3c7;
  padding:20px 16px;text-align:center;font-size:14px;margin-top:40px;
}
footer.site a{color:#fde68a}
.container{max-width:900px;margin:0 auto;padding:20px 16px}
.container p{font-size:16px}
@media (min-width:700px){
  body{font-size:17px}
  main{padding:32px 20px 48px}
}
@media (min-width:980px){
  .hero{padding:52px 16px 40px}
  h2{font-size:26px}
}

/* a11y additions */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:4px;z-index:1000;text-decoration:none;font-weight:700}
.skip-link:focus{left:12px;top:12px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}}