:root{
  --primary:#92400e;
  --secondary:#78350f;
  --accent:#14532d;
  --bg:#ffffff;
  --surface:#fef3c7;
  --surface-alt:#fde68a;
  --text:#78350f;
  --muted:#5d6a76;
  --border:#fcd34d;
  --row-alt:#fef3c7;
  --radius:6px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--primary)}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* Sticky gradient header */
header.site{position:sticky;top:0;z-index:50;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.12)}
header.site .container{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;flex-wrap:wrap;gap:10px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:.2px}
.brand img{width:36px;height:36px;background:#fff;border-radius:6px;padding:3px}
nav.primary{display:flex;flex-wrap:wrap;gap:6px}
nav.primary a{color:#fff;text-decoration:none;padding:8px 12px;border-radius:6px;font-weight:600;font-size:.95rem;transition:background .15s}
nav.primary a:hover{background:rgba(255,255,255,.18)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:56px 0 44px;border-bottom:4px solid var(--accent)}
.hero h1{margin:0 0 12px;font-size:2.15rem;line-height:1.2;font-weight:800;letter-spacing:-.4px}
.hero .byline{margin:0 0 16px;color:#fef3c7;font-size:.95rem}
.hero .lede{max-width:780px;margin:0 0 22px;font-size:1.08rem;color:#fef9e0}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;transition:transform .1s,box-shadow .15s;font-size:.98rem}
.btn.primary{background:#fff;color:var(--primary)}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(0,0,0,.18)}
.btn.ghost{background:transparent;color:#fff;border:2px solid #fff}
.btn.ghost:hover{background:rgba(255,255,255,.12)}

main{padding:36px 0 48px}

/* Byline */
.byline{color:var(--muted);font-size:.94rem;margin:4px 0 24px}

/* Table of contents */
nav.toc{background:var(--surface);border:1px solid var(--border);border-left:6px solid var(--accent);padding:18px 22px;border-radius:var(--radius);margin:26px 0 34px}
nav.toc h2{margin:0 0 10px;font-size:1.1rem;color:var(--secondary);border:none;padding:0;background:none}
nav.toc ol{margin:0;padding-left:22px;columns:2;column-gap:26px}
nav.toc ol li{margin:4px 0;break-inside:avoid}
nav.toc a{color:var(--accent);text-decoration:none}
nav.toc a:hover{text-decoration:underline}

/* Section headings */
h2{font-size:1.55rem;line-height:1.28;color:var(--secondary);margin:36px 0 12px;padding:10px 14px 10px 16px;border-left:5px solid var(--accent);background:var(--surface);border-radius:0 var(--radius) var(--radius) 0;font-weight:800}
h3{color:var(--primary);font-size:1.18rem;margin:22px 0 8px;font-weight:700}
p{margin:10px 0}

/* Lists */
ul{list-style:none;padding-left:4px;margin:12px 0}
ul li{position:relative;padding:4px 0 4px 28px;margin:2px 0}
ul li::before{content:"\27A4";position:absolute;left:4px;color:var(--accent);font-weight:700}
ol{counter-reset:list;list-style:none;padding-left:4px;margin:14px 0}
ol li{counter-increment:list;position:relative;padding:6px 0 6px 42px;margin:6px 0}
ol li::before{content:counter(list);position:absolute;left:0;top:6px;width:28px;height:28px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}

/* Table */
.table-wrap{overflow-x:auto;margin:18px 0;border-radius:var(--radius);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;font-size:.96rem;background:#fff}
thead th{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;text-align:left;padding:12px 14px;font-weight:700}
tbody td{padding:10px 14px;border-bottom:1px solid var(--border)}
tbody tr:nth-child(even){background:var(--row-alt)}
tbody tr:last-child td{border-bottom:none}

/* Callouts */
.callout{background:var(--surface-alt);border:1px solid var(--border);border-left:5px solid var(--primary);padding:14px 18px;border-radius:var(--radius);margin:18px 0}
.callout strong{color:var(--secondary)}

/* Figure / SVG in-content */
figure{margin:22px 0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}
figure svg{max-width:100%;height:auto}
figcaption{color:var(--muted);font-size:.9rem;margin-top:8px}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin:8px 0;padding:0;transition:box-shadow .15s;overflow:hidden}
.faq details[open]{box-shadow:0 4px 14px rgba(146,64,14,.12);border-color:var(--primary)}
.faq summary{cursor:pointer;padding:14px 44px 14px 16px;font-weight:700;color:var(--secondary);position:relative;list-style:none;background:var(--surface)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\25BC";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--accent);transition:transform .2s;font-size:.85rem}
.faq details[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq details p{padding:14px 16px 16px;margin:0;color:var(--text)}

/* Author box */
aside.author-box{display:flex;gap:16px;align-items:flex-start;background:linear-gradient(135deg,var(--surface),var(--surface-alt));border:1px solid var(--border);border-left:5px solid var(--accent);border-radius:var(--radius);padding:18px 20px;margin:28px 0}
aside.author-box img{width:80px;height:80px;border-radius:50%;flex-shrink:0;background:#fff;border:2px solid var(--border)}
aside.author-box .author-name{font-weight:800;font-size:1.05rem;color:var(--secondary);margin:0 0 2px}
aside.author-box .author-role{color:var(--primary);font-weight:600;margin:0 0 6px;font-size:.92rem}
aside.author-box .author-bio{margin:0;color:var(--text);font-size:.96rem}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:26px 22px;border-radius:var(--radius);text-align:center;margin:32px 0}
.cta-banner h3{margin:0 0 8px;color:#fff}
.cta-banner p{margin:0 0 14px;color:#fef9e0}
.cta-banner .btn.primary{background:#fff;color:var(--primary)}

/* Footer */
footer.site{background:var(--secondary);color:#fef3c7;padding:32px 0 24px;margin-top:32px}
footer.site .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
footer.site a{color:#fef3c7}
footer.site .col{max-width:340px}
footer.site .col h3{margin:0 0 8px;color:#fff;font-size:1rem}
footer.site .col p{margin:6px 0;font-size:.92rem;line-height:1.55}
footer.site .col ul{margin:0;padding:0}
footer.site .col ul li{padding:2px 0 2px 22px}
footer.site .col ul li::before{color:#fcd34d}
.copyright{border-top:1px solid #92400e;margin-top:22px;padding-top:14px;font-size:.86rem;color:#fde68a;text-align:center;width:100%}

/* Responsive */
@media (max-width:980px){
  nav.toc ol{columns:1}
  .hero h1{font-size:1.85rem}
}
@media (max-width:700px){
  .hero{padding:36px 0 28px}
  .hero h1{font-size:1.55rem}
  h2{font-size:1.28rem}
  header.site .container{flex-direction:column;align-items:flex-start}
  nav.primary{width:100%;justify-content:flex-start}
  body{font-size:16px}
}

/* 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}}