/* Pathana datasheet system. Shared by every page on pathana.co. */
@font-face{font-family:"Archivo";src:url(/assets/fonts/archivo-var-latin.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(/assets/fonts/jetbrains-mono-var-latin.woff2) format("woff2");font-weight:400 800;font-display:swap}

:root{
  --paper:#ffffff; --paper-2:#f4f4f1; --band:#e6e6e1;
  --ink:#121212; --ink-2:#3d3d3a; --ink-3:#6a6a64;
  --rule:#121212; --hair:#c9c9c2;
  --signal:#d97b2f;         /* surfaces only: header band, highlight fills; always ink text */
  --signal-display:#cf6e22; /* display text only, >=30px */
  --signal-ink:#a3531b;     /* any size text on white or paper-2 */
  --signal-wash:#fbefe5;
  --ok:#1d7a46;
  --sans:"Archivo","Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --wrap:1240px; --gut:clamp(20px,3.2vw,40px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:72px;scrollbar-color:#9a9a93 var(--paper-2)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--signal);color:var(--ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
::-webkit-scrollbar{width:12px;height:10px}
::-webkit-scrollbar-track{background:var(--paper-2)}
::-webkit-scrollbar-thumb{background:#a3a39c;border:3px solid var(--paper-2);border-radius:0}
a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--signal-ink)}
h1,h2,h3,h4{text-wrap:balance}
p{text-wrap:pretty}
code,kbd,pre,.mono{font-family:var(--mono);font-size:.875em}
table{font-variant-numeric:tabular-nums}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.wrap-narrow{max-width:860px;margin:0 auto;padding:0 var(--gut)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:#fff;color:var(--ink);padding:10px 14px;z-index:50;border:1.5px solid var(--ink);font-weight:600;text-decoration:none}
.skip:focus{top:10px}
.hidden{display:none!important}

/* ---------- header band ---------- */
.band{background:var(--signal);color:var(--ink);position:sticky;top:0;z-index:20;border-bottom:1.5px solid var(--rule)}
.band .wrap{display:flex;align-items:center;gap:28px;min-height:56px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo b{font-weight:800;font-size:19px;letter-spacing:.08em;font-stretch:118%}
.band nav{display:flex;gap:22px;font-size:14.5px;font-weight:600}
.band nav a{text-decoration:none;padding:16px 0;border-bottom:2px solid transparent}
.band nav a:hover,.band nav a[aria-current]{color:var(--ink);border-bottom-color:var(--ink)}
.band .right{margin-left:auto;display:flex;align-items:center;gap:16px}
@media (max-width:760px){.band .wrap{flex-wrap:wrap;gap:0 12px;min-height:0;padding-top:8px}.band .right{margin-left:auto}.band nav{order:3;width:100%;justify-content:space-between;gap:0;border-top:1px solid rgba(18,18,18,.35);margin-top:8px}.band nav a{padding:10px 0;font-size:14px;min-height:40px;display:flex;align-items:center}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 15px/1 var(--sans);min-height:46px;padding:13px 18px;border:1.5px solid var(--ink);background:var(--ink);color:#fff;text-decoration:none;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:var(--signal);border-color:var(--ink);color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.on-band{min-height:40px;padding:9px 14px;font-size:14px}
.btn.on-band:hover{background:#fff;color:var(--ink)}
.btn svg{flex:none}
.ctas{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.textlink{font-weight:600;color:var(--ink);text-decoration:underline;text-decoration-color:var(--signal);text-decoration-thickness:2px}
.textlink:hover{color:var(--signal-ink)}

/* ---------- document head + action strip ---------- */
.dochead{border-bottom:1.5px solid var(--rule)}
.dochead .wrap,.dochead .wrap-narrow{display:grid;grid-template-columns:1fr auto;align-items:end;gap:20px;padding-top:22px;padding-bottom:12px}
.docmeta{font-size:12.5px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center}
.docmeta .mono{font-size:12px}
.stamp{font:700 11px/1 var(--sans);letter-spacing:.14em;color:var(--signal-ink);border:1.5px solid var(--signal-ink);padding:5px 7px 4px;text-transform:uppercase}
.partno{font-weight:800;font-size:clamp(34px,4.4vw,54px);line-height:.9;letter-spacing:-.01em;font-stretch:72%;text-align:right;margin:0}
.partno small{display:block;font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--ink-3);font-stretch:100%;margin-top:6px}
.actions{border-bottom:1px solid var(--hair);background:var(--paper-2)}
.actions ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
.actions li{border-right:1px solid var(--hair)}
.actions li:first-child{border-left:1px solid var(--hair)}
.actions a{display:flex;align-items:center;gap:9px;min-height:44px;padding:11px 18px;font-size:13.5px;font-weight:600;text-decoration:none}
.actions a:hover{background:#fff;color:var(--ink)}
.actions svg{color:var(--signal-ink)}
@media (max-width:640px){.dochead .wrap{grid-template-columns:1fr}.partno{text-align:left}.actions ul{flex-wrap:nowrap;overflow-x:auto}.actions li{flex:none}}

/* ---------- breadcrumb ---------- */
.breadcrumb{font-size:13px;color:var(--ink-2);padding-top:14px;padding-bottom:14px;border-bottom:1px solid var(--hair);font-family:var(--mono)}
.breadcrumb a{text-decoration:none}
.breadcrumb a:hover{text-decoration:underline;color:var(--ink)}
.breadcrumb .sep{margin:0 8px;color:var(--ink-3)}
.breadcrumb .current{color:var(--ink);font-weight:600}

/* ---------- headings, sections ---------- */
h1{font-weight:800;font-size:clamp(38px,4.6vw,66px);line-height:.95;letter-spacing:-.025em;margin:0 0 26px;font-stretch:80%}
h1 em,.page-h em{font-style:normal;color:var(--signal-display)}
section.page{padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(40px,5vw,64px)}
.page-h{font-weight:800;font-size:clamp(30px,3.6vw,46px);line-height:1;letter-spacing:-.02em;margin:0 0 14px;font-stretch:84%;display:flex;gap:.45em;align-items:baseline}
.page-h .n{color:var(--signal-display);font-stretch:90%}
.sec-h .n,.sub-h .n{color:var(--signal-ink);font-stretch:90%}
.sec-h{display:flex;gap:.5em;align-items:baseline;font-weight:700;font-size:19px;margin:0 0 12px;line-height:1.2}
.sub-h{font-weight:700;font-size:19px;margin:0 0 10px;display:flex;gap:.5em;line-height:1.25}
.lede{font-size:18px;line-height:1.5;color:var(--ink-2);max-width:62ch;margin:0 0 40px}
.lede b{color:var(--ink);font-weight:650}
.square{list-style:none;margin:0 0 30px;padding:0}
.square li{position:relative;padding:5px 0 5px 22px;font-size:15.5px;line-height:1.45;color:var(--ink-2)}
.square li::before{content:"";position:absolute;left:3px;top:13px;width:7px;height:7px;background:var(--ink)}
.square li b{color:var(--ink);font-weight:650}

/* ---------- page footers (section dividers) ---------- */
.pagefoot{border-top:1.5px solid var(--rule)}
.pagefoot .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:9px;padding-bottom:9px;font-size:12.5px;color:var(--ink-3)}
.pagefoot b{color:var(--ink);font-weight:700}
.pagefoot .pg{font-family:var(--mono);color:var(--ink)}

/* ---------- figures + tables ---------- */
.fig{margin:0}
.fig-frame{border:1.5px solid var(--ink);background:#fff;position:relative}
.fig-cap{font-size:13px;color:var(--ink-2);margin-top:10px}
.fig-cap b{color:var(--ink)}
.tbl-wrap{overflow-x:auto;border-top:1.5px solid var(--rule);border-bottom:1.5px solid var(--rule)}
table.ds{width:100%;border-collapse:collapse;font-size:14.5px}
table.ds caption{caption-side:top;text-align:left;font-weight:700;font-size:14px;padding:0 0 8px}
table.ds caption span,.cap-above span{color:var(--signal-ink)}
table.ds th{background:var(--band);font-weight:700;text-align:left;padding:9px 12px;border-bottom:1px solid var(--rule);font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;font-stretch:88%;white-space:nowrap;color:var(--ink)}
table.ds td{padding:10px 12px;border-bottom:1px solid var(--hair);vertical-align:top;color:var(--ink-2)}
table.ds tr:last-child td{border-bottom:0}
table.ds td b{color:var(--ink);font-weight:650}
table.ds td.num{white-space:nowrap;font-family:var(--mono);font-size:13px;color:var(--ink)}
table.ds tbody tr{transition:background .12s}
table.ds tbody tr.hl{background:var(--signal-wash)}
.cap-above{font-weight:700;font-size:14px;margin:0 0 8px}

/* ---------- notes / callouts ---------- */
.note-box{border:1.5px solid var(--ink);padding:16px 18px;background:#fff}
.note-box .lbl,.note-box .lbl{display:block;font:700 11px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--signal-ink);margin-bottom:10px}
.direct-answer .label{display:inline;font:inherit;font-weight:700;color:var(--ink)}
.direct-answer .label::after{content:". "}
.callout{border:1.5px solid var(--ink);background:var(--paper-2);padding:18px 22px;margin:28px 0;max-width:72ch}
.callout .tag{display:inline;font-weight:700;color:var(--ink)}
.callout .tag::after{content:". "}
.callout .tag + p{display:inline}
.callout p{margin:0;color:var(--ink)}

/* ---------- articles (Playbooks, Writing, reports) ---------- */
.article-head{padding-top:clamp(32px,5vw,56px);padding-bottom:20px}
.article-head h1{font-size:clamp(32px,4vw,52px);line-height:1;max-width:22ch}
.direct-answer{border:1.5px solid var(--ink);border-top-width:6px;background:#fff;padding:18px 22px;font-size:19px;line-height:1.5;color:var(--ink);font-weight:500;max-width:72ch;margin:0 0 8px}
.article-meta{margin-top:18px;display:flex;gap:8px 20px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--ink-3)}
.article-meta b{color:var(--ink);font-weight:600}
.article-body{padding:16px 0 56px}
.article-body p,.article-body li{font-size:17px;line-height:1.7;color:var(--ink-2);max-width:68ch}
.article-body p{margin:0 0 20px}
.article-body p b,.article-body li b,.article-body strong{color:var(--ink)}
.article-body h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;font-stretch:88%;line-height:1.15;margin:48px 0 14px;padding-top:14px;border-top:1.5px solid var(--rule);max-width:68ch;color:var(--ink)}
.article-body h3{font-size:19px;font-weight:700;margin:32px 0 10px;color:var(--ink)}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px}
.article-body ul{list-style:none;padding-left:0}
.article-body ul li{position:relative;padding-left:22px}
.article-body ul li::before{content:"";position:absolute;left:3px;top:.72em;width:7px;height:7px;background:var(--ink)}
.article-body a{color:var(--ink);text-decoration-color:var(--signal);text-decoration-thickness:2px}
.article-body a:hover{color:var(--signal-ink)}
.article-body table{width:100%;border-collapse:collapse;margin:8px 0 28px;font-size:14.5px;border-top:1.5px solid var(--rule);border-bottom:1.5px solid var(--rule)}
.article-body th{background:var(--band);text-align:left;padding:9px 12px;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;border-bottom:1px solid var(--rule)}
.article-body td{padding:10px 12px;border-bottom:1px solid var(--hair);vertical-align:top;color:var(--ink-2)}
.signoff{font-family:var(--mono);font-size:13px;color:var(--ink-2);margin-top:36px;padding-top:12px;border-top:1px solid var(--hair);max-width:68ch}

/* ---------- FAQ ---------- */
.faq{max-width:860px;border-top:1.5px solid var(--rule);margin:8px 0 0}
.faq > h2{font-size:clamp(22px,2.4vw,28px);font-weight:800;font-stretch:88%;margin:0;padding:14px 0 6px}
.faq details{border-bottom:1px solid var(--hair)}
.faq summary{cursor:pointer;list-style:none;display:flex;gap:14px;align-items:baseline;min-height:48px;padding:13px 0;font-weight:650;font-size:17px;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";width:12px;height:12px;flex:none;align-self:center;background:linear-gradient(var(--signal-ink),var(--signal-ink)) center/12px 1.5px no-repeat,linear-gradient(var(--signal-ink),var(--signal-ink)) center/1.5px 12px no-repeat}
.faq details[open] summary::before{background:linear-gradient(var(--signal-ink),var(--signal-ink)) center/12px 1.5px no-repeat}
.faq details p{margin:0 0 16px 26px;color:var(--ink-2);font-size:16px;max-width:66ch}

/* ---------- CTA rows / subscribe / related ---------- */
.cta-row,.anchor-cta{border:1.5px solid var(--ink);background:var(--ink);color:#fff;padding:22px 24px;margin:36px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;max-width:860px}
.cta-row p,.anchor-cta p{margin:0;color:#e6e6e1;font-size:16px;max-width:52ch}
.cta-row p b,.anchor-cta p b{color:#fff}
.cta-row .btn,.anchor-cta .btn{background:var(--signal);color:var(--ink);border-color:var(--signal)}
.cta-row .btn:hover,.anchor-cta .btn:hover{background:#fff;border-color:#fff}
.subscribe{border-top:1.5px solid var(--rule);border-bottom:1.5px solid var(--rule);background:var(--paper-2)}
.subscribe-in{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-top:22px;padding-bottom:22px}
.subscribe-in p{margin:0;color:var(--ink-2);max-width:60ch}
.related{border-top:1.5px solid var(--rule);margin-top:40px;padding-top:12px}
.related h2{font-size:19px;font-weight:700;margin:0 0 8px}
.related a{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--hair);text-decoration:none;font-weight:600;color:var(--ink)}
.related a:hover{color:var(--signal-ink)}

/* ---------- index lists (Playbooks, Writing) ---------- */
.qcards{border-top:1.5px solid var(--rule)}
.qcard{display:grid;grid-template-columns:72px 1fr auto;gap:16px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--hair);text-decoration:none;color:var(--ink)}
.qcard:hover{background:var(--paper-2);color:var(--ink)}
.qcard .num{font-family:var(--mono);font-size:12px;color:var(--ink-3)}
.qcard h3{margin:0;font-size:17px;font-weight:650;line-height:1.35}
.qcard p{margin:4px 0 0;font-size:14.5px;color:var(--ink-2)}
.qcard .arrow{font-family:var(--mono);color:var(--signal-ink)}
@media (max-width:640px){.qcard{grid-template-columns:1fr;gap:4px}}
.subscribe:has(+ .site-foot){border-bottom:0}

/* ---------- field reports (quote list) ---------- */
.reports{list-style:none;margin:0;padding:0;border-top:1.5px solid var(--rule)}
.reports li{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:12px 40px;padding:18px 0;border-bottom:1px solid var(--hair)}
.reports blockquote{margin:0;color:var(--ink-2);font-size:15.5px;max-width:70ch}
.reports .who{font-size:14px;color:var(--ink-2)}
.reports .who b{display:block;color:var(--ink);font-size:15px}
.reports .who .mono{font-size:12.5px;color:var(--ink-3)}
@media (max-width:720px){.reports li{grid-template-columns:minmax(0,1fr)}}

/* ---------- forms ---------- */
input[type=email],input[type=text]{font:500 15px var(--sans);color:var(--ink);background:#fff;border:1.5px solid var(--ink);border-radius:0;padding:12px 14px;min-height:46px}
input::placeholder{color:var(--ink-3)}
input:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
label{font-weight:600;font-size:14px}

/* ---------- site footer ---------- */
.site-foot{border-top:1.5px solid var(--rule);background:var(--paper-2);margin-top:0}
.site-foot .wrap{display:grid;grid-template-columns:1fr auto;gap:16px 32px;padding-top:22px;padding-bottom:22px;align-items:center}
.site-foot .id{font-size:13px;color:var(--ink-2)}
.site-foot .id b{color:var(--ink);letter-spacing:.08em;font-stretch:118%}
.site-foot .id .mono{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px}
.site-foot nav{display:flex;flex-wrap:wrap;gap:4px 20px;font-size:14px}
.site-foot nav a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center}
.site-foot nav a:hover{text-decoration:underline;color:var(--ink)}
@media (max-width:640px){.site-foot .wrap{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.01s!important}}

/* ---------- control states ---------- */
.btn:disabled,.btn[aria-disabled="true"]{background:var(--band);border-color:var(--hair);color:var(--ink-2);cursor:not-allowed}
input[aria-invalid="true"]{border-color:var(--signal-ink);border-width:2px}
.field .err{display:block;margin-top:6px;font-size:13.5px;color:var(--signal-ink);font-weight:600}

.arr{display:inline-block;vertical-align:-2px;margin-left:6px;flex:none}
.btn .arr{margin-left:0}
.related a.more{gap:0;justify-content:flex-start}

/* Section numbers drawn by CSS so headings read cleanly to screen readers and AI agents ("Sound familiar?", not "2Sound familiar?"). */
.n[data-n]::before{content:attr(data-n)}