:root,[data-theme=light]{color-scheme:light;--bg: #ffffff;--surface: #f6f9fc;--surface-2: #eef5fb;--card: #ffffff;--ink: #1d2b3a;--mut: #55657a;--line: #e2e9f1;--header-bg: #dff1ff;--hero-from: #dff1ff;--hero-mid: #eefaf9;--pill-shadow: #c9dbe9;--feature-a: #e2f2ff;--feature-b: #e0f6f5;--code-bg: #1d2b3a;--code-ink: #dbe8f5;--band-bg: #1d2b3a;--band-ink: #ffffff;--band-mut: #c7d3e0;--focus: #0176d3;--frame: #1d2b3a;--grid: #e4eef8;--t-sf: #0176d3;--t-aws: #b35f00;--t-ard: #007c82;--sf-bg: #0176d3;--sf-fg: #ffffff;--sf-shadow: #014f8e;--aws-bg: #ff9900;--aws-fg: #1d2b3a;--aws-shadow: #b36b00;--cat-salesforce: #0176d3;--cat-salesforce-fg: #ffffff;--cat-aws: #ff9900;--cat-aws-fg: #1d2b3a;--cat-esp32: #007c82;--cat-esp32-fg: #ffffff;--cat-ai: #6e46e6;--cat-ai-fg: #ffffff;--cat-factory: #5b6475;--cat-factory-fg: #ffffff}[data-theme=dark]{color-scheme:dark;--bg: #0e1621;--surface: #16212f;--surface-2: #1c2a3b;--card: #16212f;--ink: #e6edf5;--mut: #9aa9bb;--line: #253447;--header-bg: #111c29;--hero-from: #111c29;--hero-mid: #0f1d24;--pill-shadow: #05090f;--feature-a: #142436;--feature-b: #122a2c;--code-bg: #070c12;--code-ink: #dbe8f5;--band-bg: #16212f;--band-ink: #e6edf5;--band-mut: #9aa9bb;--focus: #4fb0ff;--frame: #5d7491;--grid: #142131;--t-sf: #4fb0ff;--t-aws: #ffb347;--t-ard: #2ec4c9;--sf-bg: #1b96ff;--sf-fg: #0e1621;--sf-shadow: #0b5aa0;--aws-bg: #ff9900;--aws-fg: #0e1621;--aws-shadow: #8a5200;--cat-salesforce: #1b96ff;--cat-salesforce-fg: #0e1621;--cat-aws: #ff9900;--cat-aws-fg: #0e1621;--cat-esp32: #2ec4c9;--cat-esp32-fg: #0e1621;--cat-ai: #a08bff;--cat-ai-fg: #0e1621;--cat-factory: #9aa9bb;--cat-factory-fg: #0e1621}.cat-salesforce{--c: var(--cat-salesforce);--c-fg: var(--cat-salesforce-fg)}.cat-aws{--c: var(--cat-aws);--c-fg: var(--cat-aws-fg)}.cat-esp32{--c: var(--cat-esp32);--c-fg: var(--cat-esp32-fg)}.cat-ai{--c: var(--cat-ai);--c-fg: var(--cat-ai-fg)}.cat-factory{--c: var(--cat-factory);--c-fg: var(--cat-factory-fg)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:24px}body{margin:0;font-family:Nunito,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5;transition:background-color .2s,color .2s}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}svg{display:block;width:100%;height:auto}h1,h2,h3,h4{text-wrap:balance}p{text-wrap:pretty}.pf{font-family:Pixelify Sans,ui-monospace,monospace}.wrap{max-width:1280px;margin:0 auto;padding:0 40px}.muted{color:var(--mut)}.center{text-align:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.t-sf{color:var(--t-sf)}.t-aws{color:var(--t-aws)}.t-ard{color:var(--t-ard)}.hero h1 .t-aws{color:var(--aws-bg)}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}main:focus{outline:none}.skip{position:absolute;left:16px;top:-60px;z-index:50;background:var(--sf-bg);color:var(--sf-fg);padding:10px 16px;font-weight:800}.skip:focus{top:12px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}.step{clip-path:polygon(0 8px,4px 8px,4px 4px,8px 4px,8px 0,calc(100% - 8px) 0,calc(100% - 8px) 4px,calc(100% - 4px) 4px,calc(100% - 4px) 8px,100% 8px,100% calc(100% - 8px),calc(100% - 4px) calc(100% - 8px),calc(100% - 4px) calc(100% - 4px),calc(100% - 8px) calc(100% - 4px),calc(100% - 8px) 100%,8px 100%,8px calc(100% - 4px),4px calc(100% - 4px),4px calc(100% - 8px),0 calc(100% - 8px))}.sm,.big,.topic-card{position:relative}.stretched:after{content:"";position:absolute;inset:0}.stretched:focus-visible{outline:none}.sm:has(.stretched:focus-visible),.big:has(.stretched:focus-visible),.topic-card:has(.stretched:focus-visible){outline:3px solid var(--focus);outline-offset:2px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;font:inherit;font-weight:800;border:0;cursor:pointer;transition:transform .12s,filter .12s}.btn:hover{filter:brightness(1.07);transform:translateY(-1px)}.btn:active{transform:translateY(2px)}.btn-sf{background:var(--sf-bg);color:var(--sf-fg);box-shadow:0 4px 0 var(--sf-shadow)}.btn-aws{background:var(--aws-bg);color:var(--aws-fg);box-shadow:0 4px 0 var(--aws-shadow)}.btn-ghost{background:var(--card);color:var(--ink);box-shadow:0 4px 0 var(--pill-shadow)}.tribar{height:8px;background:linear-gradient(90deg,var(--cat-salesforce) 0 33.3%,var(--cat-aws) 0 66.6%,var(--cat-esp32) 0)}.site-header{background:var(--header-bg);position:relative;z-index:10}.nav{display:flex;justify-content:space-between;align-items:center;padding-top:16px;padding-bottom:16px;gap:16px}.logo{font-size:24px;font-weight:700;display:flex;align-items:center;gap:10px}.logo-mark{width:40px}.pill{display:flex;gap:4px;background:var(--card);padding:6px;box-shadow:0 4px 0 var(--pill-shadow)}.pill a{padding:8px 16px;font-weight:700;font-size:15px;min-height:40px;display:flex;align-items:center}.pill a:hover{color:var(--t-ard)}.pill a.on{background:var(--cat-esp32);color:var(--cat-esp32-fg)}.nav-actions{display:flex;align-items:center;gap:10px}.theme-toggle,.burger{width:44px;height:44px;display:grid;place-items:center;background:var(--card);color:var(--ink);border:0;cursor:pointer;box-shadow:0 4px 0 var(--pill-shadow)}.theme-toggle svg{width:20px;height:20px}[data-theme=dark] .i-moon,[data-theme=light] .i-sun,:root:not([data-theme]) .i-sun{display:none}.burger{display:none}.burger span{display:block;width:20px;height:3px;background:currentColor;margin:2px 0}.loadbar{position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--cat-salesforce),var(--cat-aws),var(--cat-esp32));animation:load 1s linear infinite;background-size:200% 100%}@keyframes load{to{background-position:-200% 0}}.hero-bg{background:linear-gradient(180deg,var(--hero-from) 0%,var(--hero-mid) 60%,var(--bg) 100%);padding-bottom:20px}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:20px;padding-top:16px}.hero h1{font-size:clamp(38px,5vw,58px);line-height:1.05;margin:0 0 18px}.lead{font-size:19px;line-height:1.6;color:var(--mut);max-width:540px}.row{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}.stats{display:flex;gap:28px;margin:30px 0 0}.stats div{display:flex;flex-direction:column}.stats dt{font-size:13px;color:var(--mut)}.stats dd{margin:0;font-size:28px}.topics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin:30px 0 50px}.tp{padding:16px;display:flex;align-items:center;gap:12px;font-weight:800;background:var(--c);color:var(--c-fg);transition:transform .15s}.tp:hover{transform:translateY(-3px)}.tp>div{width:52px;flex:none}.tp>span{min-width:0;overflow-wrap:anywhere}.tp small{display:block;font-weight:600;opacity:.85;font-size:12px}.section-title{font-size:clamp(26px,3vw,32px);margin:0 0 20px}.mag{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;margin-bottom:48px}.big{background:linear-gradient(135deg,var(--feature-a),var(--feature-b));padding:28px;display:flex;flex-direction:column;justify-content:flex-end;min-height:440px}.big .art{position:absolute;top:20px;right:20px;width:62%}.big .card-title{font-size:30px;line-height:1.2;margin:10px 0;max-width:80%;position:relative}.big p{color:var(--mut);max-width:70%;line-height:1.6;position:relative}.side,.list{display:grid;gap:16px;align-content:start}.sm{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:center;background:var(--surface);padding:14px;transition:background .15s}.sm:hover{background:var(--surface-2)}.sm:hover .card-title,.big:hover .card-title,.topic-card:hover h2{color:var(--t-sf)}.sm .th{height:90px;display:grid;place-items:center;background:var(--card);overflow:hidden}.sm .th>div{width:90px}.sm .th svg{max-height:76px;width:auto;max-width:100%;margin:0 auto}.sm .th img{width:100%;height:100%;object-fit:cover}.sm .card-title{margin:6px 0 4px;font-size:17px;line-height:1.3}.sm .ex{display:none;margin:0 0 6px;color:var(--mut);font-size:15px;line-height:1.5}.list .sm .ex,.related .sm .ex{display:block}.m{font-size:13px;color:var(--mut)}.badge{display:inline-block;align-self:flex-start;font-family:Pixelify Sans,monospace;font-size:13px;padding:3px 10px;background:var(--c, var(--cat-factory));color:var(--c-fg, #fff)}.band{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;background:var(--band-bg);color:var(--band-ink);padding:32px 36px;margin:48px 0 56px}.band-title{font-family:Pixelify Sans,monospace;font-size:28px;margin:0}.band p{color:var(--band-mut);line-height:1.6;margin:6px 0 0}.sub{display:flex;gap:10px;flex-wrap:wrap}.sub input{padding:12px 14px;border:2px solid transparent;font:inherit;min-width:240px;min-height:44px;background:#fff;color:#1d2b3a}.sub input:focus-visible{border-color:var(--focus);outline:none}.lhero{position:relative;overflow:hidden;min-height:clamp(380px,58vh,620px);display:flex;align-items:flex-end;background:linear-gradient(160deg,var(--hero-from),var(--hero-mid) 60%,var(--bg))}.lhero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:75% center}.lhero-art{position:absolute;right:max(2vw,calc((100vw - 1280px)/2));top:50%;transform:translateY(-50%);width:min(46vw,560px);opacity:.95}.has-img .lhero-shade{position:absolute;inset:0;background:linear-gradient(180deg,#080e1626,#080e168c 55%,#080e16e0)}.lhero-inner{position:relative;width:100%;padding-top:48px;padding-bottom:48px}.no-img .lhero-inner>*{max-width:640px}.has-img .lhero-inner{color:#fff}.has-img .lhero-sub,.has-img .lhero-meta,.has-img .crumbs{color:#ffffffdb}.lhero-title{font-size:clamp(34px,5.2vw,60px);line-height:1.08;margin:12px 0 14px;font-weight:800;letter-spacing:-.01em}.lhero-sub{font-size:clamp(17px,1.6vw,21px);line-height:1.55;color:var(--mut);margin:0 0 16px}.lhero-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px;color:var(--mut)}.lhero-meta a{text-decoration:underline;text-underline-offset:3px}.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0 0 14px;font-size:14px;color:var(--mut)}.crumbs li:not(:last-child):after{content:"/";margin-left:6px;opacity:.6}.crumbs li:last-child{max-width:36ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.crumbs a:hover{text-decoration:underline}.page{padding-top:36px;padding-bottom:20px}.narrow{max-width:860px}.page-title{font-size:clamp(32px,4vw,44px);margin:0 0 20px}.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.chip{min-height:40px;display:inline-flex;align-items:center;padding:8px 14px;background:var(--surface);font-weight:700;font-size:14px;border-left:6px solid var(--c, var(--ink))}.chip:hover{background:var(--surface-2)}.chip.on{background:var(--c, var(--ink));color:var(--c-fg, var(--bg))}.topic-grid{list-style:none;padding:0;margin:0 0 40px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.topic-card{background:var(--surface);padding:22px;border-top:6px solid var(--c)}.topic-art{width:160px;margin-bottom:8px}.topic-card h2{font-size:22px;margin:0 0 6px}.topic-card p{color:var(--mut);margin:0 0 10px;line-height:1.55}.post-grid{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:56px;justify-content:start;padding-top:40px}.tldr{background:var(--surface);border-left:6px solid var(--t-ard);padding:20px 24px;margin-bottom:28px}.tldr-title{font-family:Pixelify Sans,monospace;font-size:18px;margin:0 0 6px;color:var(--t-ard)}.tldr p{margin:0;font-size:18px;line-height:1.65}.takeaways{margin-bottom:28px}.takeaways h2{font-size:20px;margin:0 0 8px}.takeaways ul{margin:0;padding-left:0;list-style:none}.takeaways li{padding-left:26px;position:relative;margin:8px 0;line-height:1.6}.takeaways li:before{content:"";position:absolute;left:4px;top:.55em;width:10px;height:10px;background:var(--cat-aws)}.toc{position:relative}.toc-inner{position:sticky;top:24px;background:var(--surface);padding:18px 20px}.toc-title{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);margin:0 0 8px}.toc ol{margin:0;padding-left:18px;font-size:15px;line-height:1.5}.toc li{margin:6px 0}.toc a:hover{color:var(--t-sf);text-decoration:underline}.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:28px 0 0}.tags li{background:var(--surface);padding:4px 10px;font-size:14px;color:var(--mut)}.related{margin-top:48px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.related-grid .sm{grid-template-columns:1fr}.related-grid .sm .th{height:120px}.prose{font-size:18px;line-height:1.75}.prose>:first-child{margin-top:0}.prose h2{font-family:Pixelify Sans,monospace;font-size:28px;line-height:1.25;margin:40px 0 12px}.prose h3{font-size:22px;margin:28px 0 8px}.prose a{color:var(--t-sf);text-decoration:underline;text-underline-offset:3px}.prose img,.prose figure{margin:24px 0}.prose figcaption{font-size:14px;color:var(--mut);margin-top:6px}.prose blockquote{margin:24px 0;padding:4px 20px;border-left:4px solid var(--t-aws);color:var(--mut)}.prose pre{background:var(--code-bg);color:var(--code-ink);padding:18px;overflow-x:auto;font-size:15px;line-height:1.6}.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}.prose :not(pre)>code{background:var(--surface-2);padding:2px 6px}.prose table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);padding:8px 12px;text-align:left}.faq{margin-top:44px}.faq h2{font-family:Pixelify Sans,monospace;font-size:26px;margin:0 0 14px}.faq details{background:var(--surface);margin-bottom:10px}.faq summary{cursor:pointer;padding:16px 20px;font-weight:800;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:12px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:Pixelify Sans,monospace;font-size:22px;line-height:1;color:var(--t-ard)}.faq details[open] summary:after{content:"−"}.faq details p{margin:0;padding:0 20px 18px;color:var(--mut);line-height:1.65}.lead-strong{font-size:21px;line-height:1.6;font-weight:600;margin:0 0 24px}.stack{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:40px 0 0}.stack-item{background:var(--surface);padding:22px;border-top:6px solid var(--c)}.stack-item h2{margin:0 0 8px;font-size:22px;color:var(--c)}[data-theme=light] .cat-aws.stack-item h2{color:var(--t-aws)}.stack-item p{margin:0;color:var(--mut);line-height:1.6}.nf-art{width:260px;margin:20px auto}.site-footer{border-top:1px solid var(--line);padding:24px 0;color:var(--mut);font-size:14px}.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;align-items:center}.foot-links{display:flex;flex-wrap:wrap;gap:4px 18px}.foot-links a:hover{color:var(--t-sf);text-decoration:underline}body{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px}.sm,.big,.topic-card,.tldr,.takeaways,.toc-inner,.band,.faq details,.stack-item,.pill,.sm .th,.tp,.chip,.tags li,.related-grid .sm{clip-path:none;border:2px solid var(--frame);border-radius:4px}.sm .th{border-width:1.5px}.tp,.pill{box-shadow:3px 3px 0 var(--frame)}.theme-toggle,.burger{border:2px solid var(--frame);clip-path:none;border-radius:4px;box-shadow:3px 3px 0 var(--frame)}.btn{border:2px solid var(--frame);clip-path:none;border-radius:4px}.btn-sf,.btn-aws,.btn-ghost{box-shadow:3px 3px 0 var(--frame)}.big{background-color:var(--card)}.sm{background:var(--card)}.sm:hover,.chip:hover{background:var(--surface)}.sm:hover,.big:hover,.topic-card:hover{box-shadow:4px 4px 0 var(--frame)}.sm .badge,.big>.badge,.tab{position:absolute;top:-13px;left:16px;z-index:1;clip-path:none;border-radius:2px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;padding:3px 10px;line-height:1.3}.sm{padding-top:22px}.side,.list,.related-grid{gap:28px;padding-top:13px}.big{padding-top:34px}.big>.badge{top:-13px}.tldr,.takeaways,.toc-inner{position:relative;padding-top:26px;background:var(--card)}.tldr{border-left-width:2px;margin-top:13px}.tldr-title,.takeaways h2,.toc-title{position:absolute;top:-13px;left:16px;margin:0;padding:3px 10px;border-radius:2px;font-family:Pixelify Sans,monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;line-height:1.3}.tldr-title{background:var(--cat-esp32);color:var(--cat-esp32-fg)}.takeaways{padding:26px 22px 14px;margin-top:40px}.takeaways h2{background:var(--cat-aws);color:var(--cat-aws-fg)}.toc-inner{margin-top:13px}.toc-title{background:var(--cat-salesforce);color:var(--cat-salesforce-fg)}.toc-inner{top:37px}.topic-card,.stack-item{border-top-width:2px;position:relative;padding-top:30px;background:var(--card)}.topic-card:before,.stack-item:before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--c)}.topic-grid,.stack{padding-top:6px}.faq details{background:var(--card)}.chip{border-left-width:6px;border-left-color:var(--c, var(--frame));background:var(--card)}.band{border-color:var(--frame)}[data-theme=light] .band{border-color:var(--band-bg)}[data-theme=dark] .hero-art svg,[data-theme=dark] .lhero-art svg,[data-theme=dark] .big .art svg,[data-theme=dark] .topic-art svg{filter:brightness(.92) saturate(1.05)}@media(max-width:1080px){.topics{grid-template-columns:repeat(3,minmax(0,1fr))}.post-grid{grid-template-columns:minmax(0,1fr);gap:0}.toc{display:none}.related-grid{grid-template-columns:1fr}.related-grid .sm{grid-template-columns:110px 1fr}.related-grid .sm .th{height:90px}}@media(max-width:760px){.wrap{padding:0 16px}.nav{padding-top:12px;padding-bottom:12px}.nav-cta{display:none}.burger{display:grid}.pill{display:none;position:absolute;top:100%;left:16px;right:16px;flex-direction:column}.pill.open{display:flex}.pill a{min-height:48px}.logo{font-size:19px}.logo-mark{width:32px}.hero{grid-template-columns:1fr}.topics{grid-template-columns:repeat(2,minmax(0,1fr))}.tp{padding:12px;gap:8px;font-size:14px}.tp>div{width:36px}.mag{grid-template-columns:1fr}.big{min-height:0}.big .art{position:static;width:100%;margin-bottom:12px}.big .card-title{font-size:24px;max-width:100%}.big p{max-width:100%}.sm,.related-grid .sm{grid-template-columns:80px 1fr}.sm .th,.related-grid .sm .th{height:70px}.sm .th>div{width:66px}.band{grid-template-columns:1fr;padding:24px}.sub input{min-width:0;flex:1}.lhero{min-height:0;flex-direction:column;align-items:stretch}.no-img .lhero-art{position:relative;right:auto;top:auto;transform:none;width:min(78%,360px);margin:20px auto 0}.has-img{min-height:460px}.lhero-inner{padding-top:20px;padding-bottom:32px}.post-grid{padding-top:28px}.prose{font-size:17px}.prose h2{font-size:24px}.stack{grid-template-columns:1fr}}