/* Broderie Lab, mobile-first */
:root{
  --bg:#f7f3ec;--paper:#fffdf9;--ink:#1f1d1a;--ink2:#4a4540;--muted:#6b6560;
  --line:#e4dccd;--accent:#b4322b;--accent-d:#8e241f;--teal:#1f6f6a;--teal-l:#e3f0ee;
  --gold:#b98a52;--warn:#fff3e0;--warn-b:#e0a24a;--tip:#eaf4f2;--lab:#f6ece9;
  --r:14px;--shadow:0 1px 2px rgba(31,29,26,.06),0 6px 20px rgba(31,29,26,.06);
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --w:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--sans);text-rendering:optimizeLegibility}
img,svg{max-width:100%}
a{color:var(--teal);text-underline-offset:2px;text-decoration-thickness:1px}
a:hover{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 18px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
h1,h2,h3{font-family:var(--serif);line-height:1.2;color:var(--ink);font-weight:700}
h1{font-size:clamp(1.9rem,5.5vw,2.9rem);margin:.2em 0 .3em;letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,3.6vw,1.9rem);margin:1.8em 0 .5em}
h3{font-size:1.18rem;margin:1.4em 0 .4em}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,243,236,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:14px;height:62px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-family:var(--serif);font-size:1.3rem;font-weight:600}
.brand b{color:var(--accent);font-weight:700}
.logo{width:34px;height:34px;color:var(--ink)}
.main-nav{display:none;margin-left:auto}
.main-nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.main-nav a{display:block;padding:8px 11px;border-radius:9px;color:var(--ink2);text-decoration:none;font-weight:500;font-size:.95rem}
.main-nav a:hover,.main-nav a[aria-current]{background:var(--paper);color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:6px;margin-left:auto}
.icon-btn,.menu summary{display:flex;align-items:center;gap:6px;height:42px;min-width:42px;justify-content:center;border-radius:10px;color:var(--ink);cursor:pointer;padding:0 9px}
.icon-btn:hover,.menu summary:hover{background:var(--paper)}
.icon-btn svg,.menu summary svg{width:22px;height:22px}
.menu summary{list-style:none;font-weight:600;font-size:.95rem}
.menu summary::-webkit-details-marker{display:none}
.menu-label{display:none}
.menu{position:relative}
.menu-panel{position:fixed;left:0;right:0;top:62px;max-height:calc(100vh - 62px);overflow:auto;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:16px 18px 20px}
.menu-title{font-weight:700;margin:0 0 10px;font-family:var(--serif);font-size:1.15rem}
.menu-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:2px}
.menu-grid a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;text-decoration:none;color:var(--ink)}
.menu-grid a:hover{background:var(--bg);color:var(--accent)}
.ico{width:22px;height:22px;flex:none;color:var(--teal)}
.menu-extra{margin:12px 0 0;font-size:.95rem}
@media(min-width:620px){.menu-grid{grid-template-columns:1fr 1fr}}
@media(min-width:980px){
  .main-nav{display:block}.header-actions{margin-left:0}.menu-label{display:inline}
  .menu-panel{position:absolute;left:auto;right:0;top:52px;width:760px;border:1px solid var(--line);border-radius:var(--r)}
  .menu-grid{grid-template-columns:1fr 1fr 1fr}
}

/* breadcrumbs */
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;margin:16px 0 0;padding:0;font-size:.88rem;color:var(--muted)}
.crumbs li+li::before{content:"›";margin-right:6px;color:#b0a89c}
.crumbs a{color:var(--muted)}

/* article */
.article-head{padding-top:10px;padding-bottom:6px}
.kicker{display:inline-flex;align-items:center;gap:7px;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--teal);text-decoration:none}
.kicker .ico{width:18px;height:18px}
.lead{font-size:1.16rem;color:var(--ink2);max-width:46em;margin:0 0 .8em}
.meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.88rem;color:var(--muted);margin:0;padding:10px 0 4px;border-top:1px solid var(--line)}
.pill{display:inline-block;background:var(--teal-l);color:var(--teal);border-radius:99px;padding:1px 10px;font-size:.8rem;font-weight:600}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
.side{order:0}
.prose{max-width:46rem;min-width:0}
.prose p,.prose li{color:#2a2723}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.25em 0}
.prose li::marker{color:var(--accent)}
.prose blockquote{margin:1.2em 0;padding:.2em 1.1em;border-left:4px solid var(--gold);color:var(--ink2);font-style:italic}
.prose dl dt{font-weight:700;font-family:var(--serif);font-size:1.08rem;margin-top:1em}
.prose dl dd{margin:.2em 0 .8em 0;padding-left:1em;border-left:2px solid var(--line)}
.prose dt:target{color:var(--accent)}
@media(min-width:1040px){
  .article-grid.wrap{grid-template-columns:250px minmax(0,1fr);gap:48px}
  .side{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 100px);overflow:auto}
}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:12px 16px;font-size:.93rem}
.toc summary{font-weight:700;cursor:pointer;font-family:var(--serif);font-size:1.05rem}
.toc ol{margin:.5em 0 0;padding-left:1.2em}
.toc li{margin:.3em 0}
.toc a{color:var(--ink2);text-decoration:none}
.toc a:hover,.toc a.active{color:var(--accent)}

/* tables */
.table-wrap{overflow-x:auto;margin:1.2em 0;border:1px solid var(--line);border-radius:var(--r);background:var(--paper);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.93rem;min-width:520px}
th,td{padding:10px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{background:#f1ebe0;font-weight:700;color:var(--ink)}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#fcf9f4}

/* asides */
aside.tip,aside.warn,aside.lab{margin:1.4em 0;padding:14px 18px;border-radius:var(--r);border-left:5px solid}
aside.tip{background:var(--tip);border-color:var(--teal)}
aside.warn{background:var(--warn);border-color:var(--warn-b)}
aside.lab{background:var(--lab);border-color:var(--accent)}
aside.tip strong:first-child,aside.warn strong:first-child,aside.lab strong:first-child{display:block;font-family:var(--serif);margin-bottom:2px}
aside.lab strong:first-child::before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:1px}
aside.trust{margin:2.4em 0 0;padding:16px 18px;background:var(--paper);border:1px dashed #cfc4b2;border-radius:var(--r);font-size:.92rem;color:var(--ink2)}
aside.trust p{margin:0}

/* diagrams */
figure.diagram{margin:1.6em 0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:14px}
figure.diagram svg{display:block;width:100%;height:auto;max-height:340px}
figure.diagram figcaption{font-size:.88rem;color:var(--muted);margin-top:8px;text-align:center}
.diagram .fab{fill:#f4eee3}
.diagram .grid{stroke:#e2d8c6;stroke-width:1;fill:none}
.diagram .h{fill:#8b8378}
.diagram .t{stroke:var(--accent);stroke-width:4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.diagram .t2{stroke:var(--teal);stroke-width:4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.diagram .tb{stroke:#9a8f80;stroke-width:2;fill:none;stroke-dasharray:5 4}
.diagram .nd{stroke:#55504a;stroke-width:3;fill:none;stroke-linecap:round}
.diagram .n,.diagram .lbl{font:12px var(--sans);fill:var(--ink2)}
.diagram .lbl{font-size:11px;fill:var(--muted)}
.diagram rect:not([class]),.diagram circle:not([class]),.diagram path:not([class]),.diagram line:not([class]),.diagram polyline:not([class]),.diagram polygon:not([class]),.diagram ellipse:not([class]){stroke:#55504a;fill:none;stroke-width:1.5}
.diagram text:not([class]){font:12px var(--sans);fill:var(--ink2)}

/* steps */
.steps{margin:2em 0}
.steps ol{list-style:none;counter-reset:s;padding:0;margin:0}
.steps li{counter-increment:s;position:relative;padding:4px 0 14px 54px;margin:0;border-left:2px solid var(--line);margin-left:18px;padding-left:36px}
.steps li:last-child{border-color:transparent}
.steps li::before{content:counter(s);position:absolute;left:-19px;top:0;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;display:grid;place-items:center;font-family:var(--serif)}
.steps li h3{margin:.25em 0 .2em;font-size:1.08rem}
.steps li p{margin:0}

/* faq */
.faq{margin-top:2.4em}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin:8px 0;padding:0 16px}
.faq-item summary{cursor:pointer;font-weight:650;padding:13px 26px 13px 0;position:relative;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:0;top:9px;font-size:1.4rem;color:var(--accent)}
.faq-item[open] summary::after{content:"−"}
.faq-item p{margin:0 0 14px}

/* cards */
.cards{list-style:none;padding:0;margin:1em 0;display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:640px){.cards{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.wrap>.cards,.block .cards,.related .cards{grid-template-columns:repeat(3,1fr)}}
.card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-2px);border-color:#d3c5ad}
.card h3{margin:.1em 0 .35em;font-size:1.1rem}
.card a{text-decoration:none;color:var(--ink)}
.card a::after{content:"";position:absolute;inset:0}
.card a:hover h3{color:var(--accent)}
.card p{margin:0 0 .4em;font-size:.94rem;color:var(--ink2)}
.card-kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--teal);font-weight:700}
.hub-list h2{margin-top:1.6em}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:2.2em 0 0}
.prevnext a{display:block;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem}
.prevnext a span{display:block;font-size:.78rem;color:var(--muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em}
.prevnext .next{text-align:right}
.related{margin:2.2em 0 3em}

/* buttons, forms */
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:650;padding:11px 18px;border-radius:11px;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--accent-d);color:#fff}
.btn.ghost{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.search-form{display:flex;gap:8px;max-width:560px;margin:1.2em 0}
.search-form input{flex:1;min-width:0;height:50px;border-radius:12px;border:1.5px solid #d3c5ad;background:#fff;padding:0 14px;font-size:1rem;color:var(--ink)}
.search-form input:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px var(--teal-l)}
.search-form button{height:50px;border:0;border-radius:12px;background:var(--ink);color:#fff;padding:0 18px;font-weight:650;font-size:1rem;cursor:pointer}
.search-form button:hover{background:var(--accent)}

/* home */
.hero{background:linear-gradient(180deg,var(--bg),#efe7da);border-bottom:1px solid var(--line)}
.hero-inner{display:grid;gap:10px;padding-top:30px;padding-bottom:30px;align-items:center}
.eyebrow{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--accent);margin:0}
.hero h1{font-size:clamp(2rem,6.4vw,3.4rem);margin:.15em 0 .3em}
.hero-lead{font-size:1.15rem;color:var(--ink2);max-width:36em}
.hero-art{display:none}
@media(min-width:900px){.hero-inner{grid-template-columns:1.25fr .75fr;padding-top:50px;padding-bottom:50px}.hero-art{display:block}}
.block{padding-top:12px;padding-bottom:20px}
.section-lead{color:var(--ink2);max-width:44em;margin-top:-.2em}
.sos{margin-top:28px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:20px 18px;box-shadow:var(--shadow)}
.sos h2{margin:.1em 0 .3em}
.sos-head p{color:var(--ink2);margin:0 0 12px}
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:block;padding:9px 14px;border-radius:99px;background:var(--bg);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:550;font-size:.95rem}
.chips a:hover{border-color:var(--accent);color:var(--accent)}
.sos-tool{margin:16px 0 0}
.clusters{list-style:none;padding:0;margin:1em 0;display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:600px){.clusters{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.clusters{grid-template-columns:repeat(3,1fr)}}
.cluster a{display:grid;grid-template-columns:40px 1fr;gap:2px 12px;height:100%;padding:14px 16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
.cluster a:hover{border-color:var(--teal)}
.cluster .ico{grid-row:span 2;width:40px;height:40px;padding:8px;background:var(--teal-l);border-radius:10px}
.cluster h3{margin:0;font-size:1.06rem}
.cluster p{margin:0;font-size:.9rem;color:var(--ink2);line-height:1.45}
.band{background:#1f2a28;color:#eef3f1;margin:28px 0}
.band h2{color:#fff}
.band .section-lead{color:#c7d6d2}
.tools-grid{list-style:none;padding:0;margin:1em 0 10px;display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:640px){.tools-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.tools-grid{grid-template-columns:repeat(4,1fr)}}
.tool-card a{display:block;height:100%;padding:16px;border-radius:var(--r);background:#28403c;color:#eef3f1;text-decoration:none;border:1px solid #35524d}
.tool-card a:hover{background:#2f4b46;border-color:#5fa79d}
.tool-card h3{color:#fff;margin:0 0 .3em;font-size:1.06rem}
.tool-card p{margin:0;font-size:.9rem;color:#c7d6d2}
.method{display:grid;gap:20px;margin-bottom:30px}
@media(min-width:900px){.method{grid-template-columns:1.1fr .9fr;align-items:start}}
.pillars{list-style:none;padding:0;margin:1.6em 0 0;display:grid;gap:10px}
.pillars li{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.pillars strong{display:block;font-family:var(--serif);font-size:1.08rem}
.pillars span{color:var(--ink2);font-size:.94rem}
.notfound{padding:40px 18px 60px}

/* tools */
.tool-box{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:18px;margin:1.4em 0;box-shadow:var(--shadow)}
.tool-box h2:first-child{margin-top:0}
.fields{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:620px){.fields{grid-template-columns:1fr 1fr}}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:4px}
.field .hint{display:block;font-size:.8rem;color:var(--muted);margin-top:3px}
.field input,.field select{width:100%;height:46px;border:1.5px solid #d3c5ad;border-radius:10px;padding:0 10px;font-size:1rem;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px var(--teal-l)}
fieldset.field{border:0;padding:0;margin:0}
.result{margin-top:16px;background:var(--teal-l);border-radius:14px;padding:14px 16px}
.result h3{margin:0 0 6px}
.result .big{font-family:var(--serif);font-size:1.8rem;font-weight:700;color:var(--teal);line-height:1.2}
.result dl{display:grid;grid-template-columns:1fr auto;gap:4px 12px;margin:8px 0 0}
.result dt{color:var(--ink2)}.result dd{margin:0;font-weight:650;text-align:right}
.result ol{margin:.4em 0 0}
.result ol li{margin:.5em 0}

/* search */
.search-results{list-style:none;padding:0}
.search-results li{padding:12px 0;border-bottom:1px solid var(--line)}
.search-results a{font-weight:650;font-size:1.06rem}
.search-results small{display:block;color:var(--teal);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
.search-results p{margin:.2em 0 0;color:var(--ink2);font-size:.94rem}
.sitemap-list{columns:1;padding-left:1.2em}
@media(min-width:700px){.sitemap-list{columns:2;column-gap:40px}}

/* footer */
.site-footer{background:#1f1d1a;color:#d8d1c6;margin-top:40px;padding:36px 0 22px;font-size:.93rem}
.site-footer a{color:#e9e2d7;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer .brand{color:#fff}.site-footer .logo{color:#fff}
.footer-top{display:grid;gap:24px}
@media(min-width:900px){.footer-top{grid-template-columns:1fr 2fr}}
.footer-brand p{max-width:28em;color:#b9b1a5}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
@media(min-width:700px){.footer-cols{grid-template-columns:repeat(3,1fr)}}
.footer-cols ul{list-style:none;padding:0;margin:0}
.footer-cols li{margin:5px 0}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 18px;border-top:1px solid #3a3631;margin-top:24px;padding-top:16px}
.copy{color:#958c80;font-size:.84rem;margin:14px 0 0}
@media print{.site-header,.site-footer,.side,.related,.prevnext{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.diagram rect.t,.diagram circle.t,.diagram polygon.t,.diagram ellipse.t{fill:var(--accent);fill-opacity:.85;stroke:none}
.diagram rect.t2,.diagram circle.t2,.diagram polygon.t2,.diagram ellipse.t2{fill:var(--teal);fill-opacity:.85;stroke:none}
.diagram rect.tb,.diagram circle.tb{fill:none}
.prose dl.glossary dt{scroll-margin-top:80px}
.prose .result dt{font-family:var(--sans);font-size:.95rem;font-weight:400;margin:0;color:var(--ink2)}
.prose .result dd{border:0;padding:0;margin:0;font-weight:650;text-align:right}
.result .big small{font-size:.9rem;color:var(--ink2);font-weight:500}