:root {
  --bg: #0d1117;
  --bg-alt: #161b22;
  --bg-card: #1c2128;
  --border: #30363d;
  --text: #c9d1d9;
  --text-muted: #8b949e;
  --heading: #f0f6fc;
  --accent: #3fb950;
  --accent-dim: #238636;
  --accent-bg: rgba(63, 185, 80, 0.1);
  --link: #58a6ff;
  --warn: #f85149;
  --font: -apple-system, 'Segoe UI', 'Arial Hebrew', 'Noto Sans Hebrew', Arial, sans-serif;
  --mono: 'Cascadia Code', 'Fira Code', 'Courier New', monospace;
  --max: 1100px;
  --r: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.3);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{color:var(--heading);line-height:1.3;font-weight:700}
h1{font-size:1.9rem}
h2{font-size:1.45rem;margin-top:2.2rem;margin-bottom:0.7rem}
h3{font-size:1.15rem;margin-top:1.6rem;margin-bottom:0.5rem}
p{margin-bottom:1rem}
ul,ol{padding-right:1.5rem;margin-bottom:1rem}
li{margin-bottom:0.3rem}
table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:0.95rem}
th,td{padding:0.7rem 1rem;border:1px solid var(--border);text-align:right}
th{background:var(--bg-alt);color:var(--heading);font-weight:600}
tr:nth-child(even){background:var(--bg-alt)}
blockquote{border-right:3px solid var(--accent);padding:0.7rem 1.2rem;margin:1.5rem 0;background:var(--accent-bg);border-radius:0 var(--r) var(--r) 0;color:var(--text-muted);font-style:italic}
code{font-family:var(--mono);background:var(--bg-alt);padding:0.15rem 0.4rem;border-radius:3px;font-size:0.88em;color:var(--accent)}
pre{background:var(--bg-alt);padding:1.2rem;border-radius:var(--r);overflow-x:auto;margin:1.5rem 0;border:1px solid var(--border)}
pre code{background:none;padding:0;color:var(--text)}

.site-header{position:sticky;top:0;z-index:100;background:var(--bg-alt);border-bottom:1px solid var(--border)}
.header-inner{max-width:var(--max);margin:0 auto;padding:0.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:0.6rem;color:var(--heading);font-weight:700;font-size:1.1rem;text-decoration:none}
.logo:hover{text-decoration:none}
.logo svg{width:30px;height:30px}
.nav-links{display:flex;gap:1.5rem;list-style:none;align-items:center}
.nav-links a{color:var(--text);font-size:0.92rem;font-weight:500}
.nav-links a:hover{color:var(--accent);text-decoration:none}
.menu-toggle{display:none;background:none;border:1px solid var(--border);color:var(--heading);padding:0.4rem 0.7rem;border-radius:var(--r);cursor:pointer;font-size:1.2rem}
@media(max-width:768px){
  .menu-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;right:0;left:0;background:var(--bg-alt);border-bottom:1px solid var(--border);flex-direction:column;padding:1rem 1.5rem;gap:0.7rem}
  .nav-links.open{display:flex}
}

.hero{padding:3.5rem 1.5rem 2rem;max-width:780px;margin:0 auto}
.hero h1{margin-bottom:0.7rem}
.hero-sub{color:var(--text-muted);font-size:1.05rem;margin-bottom:1.2rem;line-height:1.75}
.entity-line{font-size:0.82rem;color:var(--text-muted);margin-top:1.2rem;padding-top:0.7rem;border-top:1px solid var(--border)}
.entity-line a{font-size:0.82rem}

.btn{display:inline-block;padding:0.65rem 1.4rem;border-radius:var(--r);font-weight:600;font-size:0.92rem;text-decoration:none;transition:background 0.2s;cursor:pointer;border:none;font-family:var(--font)}
.btn-primary{background:var(--accent-dim);color:#fff}
.btn-primary:hover{background:var(--accent);text-decoration:none}
.btn-outline{border:1px solid var(--border);background:transparent;color:var(--text)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}

.section{padding:2.2rem 1.5rem;max-width:var(--max);margin:0 auto}
.section-narrow{max-width:680px}
.section-mid{max-width:780px}
.section-wide{max-width:880px}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-alt .section-inner{max-width:var(--max);margin:0 auto;padding:2.2rem 1.5rem}

.obs-text{font-size:1rem;line-height:1.85}
.obs-text p{margin-bottom:1.1rem}

.method-block{margin-bottom:1.3rem}
.method-block p{color:var(--text);line-height:1.8}

.svc-flow{counter-reset:svc}
.svc-item{counter-increment:svc;padding:1.3rem 1.5rem;border:1px solid var(--border);border-radius:var(--r);margin-bottom:1rem;background:var(--bg-card);position:relative}
.svc-item::before{content:counter(svc);position:absolute;top:-0.7rem;right:1rem;background:var(--accent-dim);color:#fff;width:1.8rem;height:1.8rem;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.85rem}
.svc-item h3{margin-top:0.3rem;margin-bottom:0.5rem}
.svc-item p{margin-bottom:0.7rem;font-size:0.95rem}
.svc-scope{font-size:0.88rem;color:var(--text-muted);padding:0.6rem 0.8rem;background:var(--bg);border-radius:var(--r);margin-top:0.7rem}
.svc-scope strong{color:var(--warn)}

.not-doing{margin-top:1.5rem;padding:1rem 1.2rem;border:1px solid var(--warn);border-radius:var(--r);background:rgba(248,81,73,0.05)}
.not-doing h4{color:var(--warn);margin-bottom:0.5rem;font-size:0.95rem}
.not-doing li{font-size:0.9rem;color:var(--text-muted)}

.signal-box{padding:1.2rem 1.5rem;border-right:3px solid var(--accent);background:var(--bg-alt);margin-bottom:1rem;border-radius:0 var(--r) var(--r) 0}
.signal-box p{margin-bottom:0.4rem;font-size:0.95rem}

.articles-grid{display:grid;gap:1.2rem}
.articles-grid.featured{grid-template-columns:1fr 1fr}
.articles-grid.featured .article-card:first-child{grid-column:1/-1}
.article-card{padding:1.3rem;border:1px solid var(--border);border-radius:var(--r);background:var(--bg-card);transition:border-color 0.2s}
.article-card:hover{border-color:var(--accent)}
.article-card h3{margin-top:0;margin-bottom:0.4rem;font-size:1.1rem}
.article-card h3 a{color:var(--heading)}
.article-card h3 a:hover{color:var(--accent);text-decoration:none}
.card-meta{font-size:0.8rem;color:var(--text-muted);margin-bottom:0.4rem}
.card-excerpt{font-size:0.92rem;color:var(--text);margin-bottom:0}

.faq-item{border-bottom:1px solid var(--border);padding:1.1rem 0}
.faq-item:last-child{border-bottom:none}
.faq-q{font-weight:600;color:var(--heading);margin-bottom:0.4rem;font-size:1.02rem}
.faq-a{color:var(--text);font-size:0.95rem;line-height:1.75}

.about-hero{max-width:680px;margin:0 auto;padding:2.5rem 1.5rem}
.about-hero h1{margin-bottom:0.7rem}
.about-section{max-width:720px;margin:0 auto;padding:0 1.5rem 2rem}
.about-method{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:2rem 1.5rem;max-width:720px;margin:1.5rem auto}

.svc-page-intro{max-width:780px;margin:0 auto;padding:2.5rem 1.5rem 1.5rem}
.svc-page-detail{max-width:780px;margin:0 auto;padding:0 1.5rem 2rem}
.svc-page-detail h2{border-top:1px solid var(--border);padding-top:1.5rem}

.contact-wrap{max-width:620px;margin:0 auto;padding:2.5rem 1.5rem}
.form-group{margin-bottom:1.2rem}
.form-group label{display:block;margin-bottom:0.35rem;font-weight:500;font-size:0.92rem;color:var(--heading)}
.form-group input,.form-group textarea{width:100%;padding:0.65rem 0.8rem;border:1px solid var(--border);border-radius:var(--r);background:var(--bg-alt);color:var(--text);font-family:var(--font);font-size:0.95rem}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-group textarea{min-height:120px;resize:vertical}
.contact-info{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}
.contact-info h3{margin-bottom:0.7rem}
.contact-info p{font-size:0.92rem;margin-bottom:0.4rem}

.legal-wrap{max-width:780px;margin:0 auto;padding:2.5rem 1.5rem}
.legal-wrap h1{margin-bottom:0.4rem}
.legal-date{color:var(--text-muted);font-size:0.88rem;margin-bottom:1.5rem}
.legal-wrap h2{font-size:1.2rem;margin-top:1.8rem}

.article-wrap{max-width:720px;margin:0 auto;padding:2rem 1.5rem}
.article-meta{display:flex;flex-wrap:wrap;gap:1rem;font-size:0.82rem;color:var(--text-muted);margin-bottom:1.3rem;padding-bottom:0.8rem;border-bottom:1px solid var(--border)}
.article-summary{background:var(--bg-alt);padding:1.2rem;border-radius:var(--r);margin-bottom:1.5rem;border-right:3px solid var(--accent);font-size:0.95rem;line-height:1.8}
.article-summary strong{color:var(--heading)}
.article-body{line-height:1.85}
.article-body h2{margin-top:2.5rem}
.author-box{margin-top:2.5rem;padding:1.3rem;background:var(--bg-alt);border-radius:var(--r);border:1px solid var(--border)}
.author-box h4{margin-bottom:0.4rem;color:var(--heading)}
.author-box p{font-size:0.92rem;color:var(--text-muted);margin-bottom:0.3rem}
.refs-section{margin-top:2rem;padding-top:1.3rem;border-top:1px solid var(--border)}
.refs-section h3{margin-bottom:0.7rem}
.refs-section ol{padding-right:1.5rem}
.refs-section li{font-size:0.88rem;color:var(--text-muted);margin-bottom:0.4rem;line-height:1.6}
.refs-section a{font-size:0.88rem}
.related-links{margin-top:1.3rem;padding:1.2rem;background:var(--bg-alt);border-radius:var(--r);border:1px solid var(--border)}
.related-links h3{margin-top:0;margin-bottom:0.6rem}
.related-links ul{list-style:none;padding:0}
.related-links li{margin-bottom:0.4rem}
.related-links a{font-size:0.92rem}
.sensitive-note{background:rgba(248,81,73,0.08);border:1px solid var(--warn);padding:0.8rem 1.2rem;border-radius:var(--r);margin-bottom:1.5rem;font-size:0.88rem;color:var(--text-muted)}

.toc{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--r);padding:1.2rem;margin-bottom:1.5rem}
.toc h4{margin-bottom:0.6rem;font-size:0.92rem}
.toc ul{list-style:none;padding:0;margin:0}
.toc li{margin-bottom:0.25rem}
.toc a{font-size:0.88rem;color:var(--text-muted)}
.toc .toc-h3{padding-right:1rem}

.archive-wrap{max-width:820px;margin:0 auto;padding:2.5rem 1.5rem}
.archive-wrap h1{margin-bottom:1.5rem}
.archive-item{padding:1.3rem 0;border-bottom:1px solid var(--border)}
.archive-item h2{margin-top:0;margin-bottom:0.3rem;font-size:1.2rem}
.archive-item h2 a{color:var(--heading)}
.archive-item h2 a:hover{color:var(--accent);text-decoration:none}

.error-wrap{text-align:center;padding:5rem 1.5rem}
.error-wrap h1{font-size:3.5rem;color:var(--accent);margin-bottom:0.5rem}
.error-wrap p{color:var(--text-muted);margin-bottom:1.5rem;font-size:1.05rem}

.site-footer{border-top:1px solid var(--border);background:var(--bg-alt);padding:2rem 1.5rem;margin-top:3rem}
.footer-inner{max-width:var(--max);margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.5rem}
.footer-col{min-width:140px}
.footer-col h4{font-size:0.88rem;margin-bottom:0.6rem;color:var(--heading)}
.footer-col ul{list-style:none;padding:0}
.footer-col li{margin-bottom:0.3rem}
.footer-col a{font-size:0.85rem;color:var(--text-muted)}
.footer-bottom{max-width:var(--max);margin:1.2rem auto 0;padding-top:1rem;border-top:1px solid var(--border);font-size:0.82rem;color:var(--text-muted);text-align:center}

.banner-warning{background:#f8514922;border-bottom:2px solid var(--warn);padding:0.6rem 1rem;text-align:center;font-size:0.85rem;color:var(--warn)}
@media print{
  .site-header,.site-footer,.menu-toggle,.banner-warning,.toc{display:none}
  body{background:#fff;color:#000;font-size:12pt}
  a{color:#000;text-decoration:underline}
  h1,h2,h3,h4{color:#000}
  .article-wrap,.legal-wrap,.about-section,.svc-page-detail{max-width:100%}
}
@media(max-width:480px){
  .hero{padding:2.5rem 1rem 1.5rem}
  h1{font-size:1.5rem}
  .section{padding:1.5rem 1rem}
  .articles-grid.featured{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:1rem}
  pre{padding:0.8rem;font-size:0.82rem}
  table{font-size:0.85rem}
  th,td{padding:0.5rem 0.6rem}
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

.hero-banner{max-width:var(--max);margin:0 auto 0;padding:0 1.5rem}
.hero-banner img{width:100%;height:auto;border-radius:var(--r);border:1px solid var(--border)}
.article-img{margin:2rem 0}
.article-img img{width:100%;height:auto;border-radius:var(--r);border:1px solid var(--border)}
.article-img figcaption{font-size:0.82rem;color:var(--text-muted);margin-top:0.5rem;text-align:center}
.feature-img{margin:1rem 0}
.feature-img img{width:100%;height:auto;border-radius:var(--r);border:1px solid var(--border);opacity:0.85}