:root{--bg:#faf8f3;--surface:#ffffff;--ink:#1b1a22;--muted:#4d4b55;--accent:#6a2763;--accent-ink:#ffffff;--accent2:#0f7f86;--line:#e3ded3;--hero-ink:#1b1a22;--r:14px;--maxw:1680px;--measure:47.5rem;--hf:'Unbounded', 'Arial Black', sans-serif;--bf:'Instrument Sans', system-ui, sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--bf)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em}
h1,h2,h3,h4{font-family:var(--hf);line-height:1.18;margin:1.6em 0 .5em;font-weight:600;letter-spacing:-.015em}
h1{font-size:clamp(2rem,4.6vw,3.3rem);margin-top:0}
h2{font-size:clamp(1.4rem,2.6vw,2.1rem)}h3{font-size:1.2rem}
p,ul,ol,table,details{margin:0 0 1.1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,3vw,48px)}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:var(--surface);padding:8px;z-index:9}
header.site{border-bottom:1px solid var(--line);background:var(--surface)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{font-family:var(--hf);font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.brand svg{flex:none}
nav.main ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 20px;margin:0;padding:0}
nav.main a{color:var(--ink);text-decoration:none;font-size:.95rem;padding:4px 0;border-bottom:2px solid transparent}
nav.main a[aria-current]{border-color:var(--accent)}
.menu-btn{display:none}
@media(max-width:860px){.menu-btn{display:inline-block;background:none;border:1px solid var(--line);color:var(--ink);border-radius:var(--r);padding:6px 12px;font:inherit}
nav.main{width:100%;display:none}nav.main.open{display:block}nav.main ul{flex-direction:column;gap:6px}}
.hero{position:relative;overflow:hidden}
.hero .wrap{padding-top:clamp(36px,5vw,84px);padding-bottom:clamp(36px,5vw,84px)}
.hero .lead{font-size:1.18rem;color:var(--muted);max-width:62ch}
.hero.split .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,4vw,72px);align-items:center}
.hero.plain{background:var(--surface);border-bottom:1px solid var(--line)}
.hero.full{color:var(--hero-ink);min-height:clamp(380px,46vw,640px);display:flex;align-items:flex-end}
.hero.full .wrap{position:relative;z-index:1;width:100%}.hero.full .lead{color:inherit;opacity:.92}
@media(max-width:860px){.hero.split .wrap{grid-template-columns:1fr}}
.page{display:grid;gap:48px;padding-top:44px;padding-bottom:72px}
.page.toc-layout{grid-template-columns:240px minmax(0,1fr)}
.page.toc-layout .toc{position:sticky;top:20px;align-self:start;font-size:.92rem;border-left:3px solid var(--accent);padding-left:14px}
.page.toc-layout .toc ul{list-style:none;padding:0;margin:0}.page.toc-layout .toc li{margin:.35em 0}
.page.toc-layout .toc a{color:var(--muted);text-decoration:none}
@media(max-width:900px){.page.toc-layout{grid-template-columns:1fr}.page.toc-layout .toc{position:static}}
/* Cards, grids and tables use the full container width; running text keeps a readable measure, centred. */
article.prose{max-width:none;min-width:0}
article.prose>:is(p,ul,ol,h2,h3,h4,blockquote,dl,details,.callout,.table-wrap,form.lead){max-width:var(--measure);margin-left:auto;margin-right:auto}
.page.toc-layout article.prose>*{margin-left:0;margin-right:0}
.page.wide article.prose>*{max-width:none}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:0 0 1.6em}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card h3{margin-top:0}.card p:last-child{margin-bottom:0}
a.card{display:block;color:var(--ink);text-decoration:none}a.card:hover{border-color:var(--accent)}
.callout{border-left:4px solid var(--accent2);background:var(--surface);padding:14px 18px;border-radius:0 var(--r) var(--r) 0;margin:0 auto 1.2em}
.table-wrap{overflow-x:auto;margin:0 0 1.2em}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
th{font-family:var(--hf);background:var(--surface)}
details{border:1px solid var(--line);border-radius:var(--r);padding:10px 16px;background:var(--surface)}
details+details{margin-top:-.5em}
summary{cursor:pointer;font-weight:600}
.steps{counter-reset:s;list-style:none;padding:0}.steps li{counter-increment:s;position:relative;padding-left:44px;margin-bottom:1em}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-weight:700;font-size:.9rem}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:11px 20px;border-radius:var(--r);text-decoration:none;font-weight:600;border:0;font:inherit;font-weight:600;cursor:pointer}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.meta{font-size:.88rem;color:var(--muted)}
.label-concept{display:inline-block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;background:var(--ink);color:var(--bg);padding:2px 8px;border-radius:3px}
.ai-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:0 0 1.8em}.ai-grid figure{margin:0}.ai-grid img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r)}.ai-grid figcaption{display:grid;gap:4px;font-size:.9rem;color:var(--muted);padding-top:8px}.ai-grid .label-concept{justify-self:start}@media(max-width:900px){.ai-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.ai-grid{grid-template-columns:1fr}}
footer.site{border-top:1px solid var(--line);background:var(--surface);font-size:.92rem;color:var(--muted)}
footer.site .wrap{padding-top:32px;padding-bottom:32px;display:grid;gap:18px}
footer.site ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 18px}
footer.site a{color:var(--muted)}
form.lead{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;margin:0 auto 1.4em;display:grid;gap:12px;grid-template-columns:1fr 1fr}
form.lead .full{grid-column:1/-1}form.lead label{display:grid;gap:4px;font-size:.92rem;font-weight:600}
form.lead input,form.lead textarea,form.lead select{font:inherit;padding:9px 11px;border:1px solid var(--line);border-radius:calc(var(--r) / 2);background:var(--bg);color:var(--ink)}
form.lead .consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:.82rem;color:var(--muted)}form.lead .consent input{margin-top:3px}
form.lead .hp{position:absolute;left:-9999px}
@media(max-width:600px){form.lead{grid-template-columns:1fr}}
/* Directory parts */
.sponsored{border:1px dashed var(--accent);border-radius:var(--r);padding:16px 18px;background:var(--surface);display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:0 0 1.6em}
.sponsored .tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin:0 0 1.6em;padding:0;list-style:none}
.tool{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.tool h3{margin:0;font-size:1.08rem}.tool h3 a{color:var(--ink);text-decoration:none}.tool h3 a:hover{color:var(--accent)}
.tool p{margin:0;font-size:.94rem;color:var(--muted)}
.tool .cat{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);text-decoration:none;font-weight:700}
.filter{display:flex;gap:10px;align-items:center;margin:0 0 1.2em;flex-wrap:wrap}
.filter input{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink);min-width:min(420px,100%)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:0 0 1.6em}
.facts div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.facts dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0}.facts dd{margin:.2em 0 0;font-weight:600}
.co{--teal:#0f7f86;--saff:#f2a516;--plum:#7b2f73;--k:#1b1a22}
.co header.site{background:var(--bg);border-bottom:0;box-shadow:inset 0 -5px 0 0 transparent;position:relative}
.co header.site::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--teal) 0 33.3%,var(--saff) 33.3% 66.6%,var(--plum) 66.6%)}
.co .brand{font-weight:700;letter-spacing:-.01em}
.co nav.main a{font-weight:500}
.co nav.main a[aria-current],.co nav.main a:hover{border-color:var(--saff)}
.co .hero.split{background:radial-gradient(circle at 92% 12%,#f6e7c4 0,transparent 32%),radial-gradient(circle at 70% 96%,#e3d0e0 0,transparent 30%),var(--bg)}
.co .hero.plain{background:var(--surface);border-bottom:1px solid var(--line)}
.co .hero .kicker{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--k);text-transform:uppercase;letter-spacing:.12em;font-size:.82rem}
.co .hero .kicker::before{content:"";width:42px;height:12px;border-radius:6px;background:linear-gradient(90deg,var(--teal) 0 33%,var(--saff) 33% 66%,var(--plum) 66%)}
.co .hero h1{max-width:20ch}
.co .hero-chips{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 18px 20px;box-shadow:0 18px 40px -24px rgba(27,26,34,.35)}
.co .ladder{width:100%;height:auto;display:block}
.co .ladder .hx{font:600 12px/1 'Instrument Sans',system-ui,sans-serif;letter-spacing:.02em}
.co .ladder .nm{font:600 14px/1 'Unbounded',sans-serif;fill:var(--k)}
.co .usage{display:flex;height:40px;border-radius:10px;overflow:hidden;margin-top:12px;border:1px solid var(--line)}
.co .usage span{display:flex;align-items:center;padding:0 10px;font-size:.8rem;font-weight:600;white-space:nowrap;overflow:hidden}
.co .hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.co .btn{background:var(--k);color:#fff;border-radius:999px;padding:13px 24px;font-weight:600}
.co .btn:hover{background:var(--plum)}
.co .btn.ghost{background:transparent;color:var(--k);border:2px solid var(--k)}
.co .btn.ghost:hover{background:var(--k);color:#fff}
.co h2{font-size:clamp(1.45rem,2.6vw,2.2rem)}
.co article.prose>h2::before{content:"";display:block;width:54px;height:8px;border-radius:4px;margin-bottom:.7em;background:linear-gradient(90deg,var(--teal) 0 33%,var(--saff) 33% 66%,var(--plum) 66%)}
.co .cards{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.co .card{border:1px solid var(--line);border-radius:18px;background:#fff;border-top:10px solid var(--saff)}
.co .card.c-teal{border-top-color:var(--teal)}.co .card.c-saffron{border-top-color:var(--saff)}.co .card.c-plum{border-top-color:var(--plum)}
.co a.card:hover{box-shadow:0 14px 30px -18px rgba(27,26,34,.45);border-color:#cfc8ba}
.co .chips3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0;border-radius:18px;overflow:hidden;margin:0 0 1.8em;border:1px solid var(--line)}
.co .chips3 div{padding:22px 24px;background:#fff;border-left:12px solid var(--teal)}
.co .chips3 div:nth-child(2){border-left-color:var(--saff)}.co .chips3 div:nth-child(3){border-left-color:var(--plum)}
.co .chips3 b{display:block;font-family:var(--hf);font-weight:600;margin-bottom:6px}
.co .chips3 span{color:var(--muted);font-size:.95rem}
.co .sys-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px;margin:0 0 1.8em}
.co .sys{margin:0;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px 14px 4px}
.co .sys figcaption{padding:12px 4px;display:grid;gap:4px}.co .sys figcaption span:last-child{color:var(--muted);font-size:.9rem}
.co .label-concept{background:var(--k);color:#fff;justify-self:start;font-weight:600;border-radius:999px;padding:2px 10px;font-size:.78rem}
.co .cta-band{background:var(--k);color:#fff;padding:26px 30px;border-radius:22px;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:2em 0;position:relative;overflow:hidden}
.co .cta-band::after{content:"";position:absolute;right:-30px;top:-30px;width:150px;height:150px;border-radius:50%;background:var(--plum);box-shadow:-70px 60px 0 -10px var(--teal),-20px 110px 0 -30px var(--saff);opacity:.9;pointer-events:none}
.co .cta-band p{margin:0;max-width:60ch;position:relative;z-index:1}.co .cta-band .btn{background:var(--saff);color:var(--k);position:relative;z-index:1;margin-right:120px}
@media(max-width:700px){.co .cta-band::after{display:none}.co .cta-band .btn{margin-right:0}}
.co .checks{list-style:none;padding:0}.co .checks li{padding-left:32px;position:relative;margin-bottom:.6em}
.co .checks li::before{content:"";position:absolute;left:0;top:.3em;width:18px;height:18px;border-radius:50%;background:var(--teal)}
.co .checks li:nth-child(3n+2)::before{background:var(--saff)}.co .checks li:nth-child(3n)::before{background:var(--plum)}
.co footer.site{background:#f1ede4;border-top:0;position:relative}
.co footer.site::before{content:"";display:block;height:5px;background:linear-gradient(90deg,var(--teal) 0 33.3%,var(--saff) 33.3% 66.6%,var(--plum) 66.6%)}
.co form.lead{border-radius:20px;border:1px solid var(--line)}