:root{color-scheme:dark;--bg:#030918;--panel:#0b1830;--line:#253956;--muted:#b1c1d8;--cyan:#78ecff;--white:#f7faff;--green:#98ecc3;--amber:#ffd58c;--red:#ffb0b8}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(ellipse at 100% 0,#0b2e664d,transparent 45rem),var(--bg);color:var(--white);font:16px/1.65 Inter,"Avenir Next",Avenir,"Segoe UI",Arial,sans-serif}a{color:var(--cyan);text-underline-offset:4px}a:hover{color:#c8faff}a,button,input,textarea{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:5px}::selection{background:var(--cyan);color:#041322}[hidden]{display:none!important}.wrap{width:min(1180px,calc(100% - 72px));margin-inline:auto}.skip{position:absolute;left:16px;top:-90px;background:var(--cyan);color:var(--bg);padding:12px;z-index:20}.skip:focus{top:12px}.site-header{border-bottom:1px solid var(--line);background:#040b19e8}.header-inner{min-height:86px;display:flex;align-items:center;gap:28px}.brand{color:var(--white);text-decoration:none;font-size:28px;font-weight:650;letter-spacing:-1.4px;white-space:nowrap}.brand span{color:var(--cyan)}.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.2px;margin-left:14px;font-weight:450}.nav{display:flex;gap:25px;margin-left:auto;align-items:center;flex-wrap:wrap}.nav a{font-size:14px;color:var(--muted);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.nav a:hover,.nav a[aria-current=page]{color:var(--cyan)}h1,h2,h3,p{margin-top:0}h1,h2,h3{overflow-wrap:anywhere}h1{font-size:clamp(42px,5.4vw,76px);line-height:1.07;letter-spacing:-3px;font-weight:550;margin-bottom:25px}h1 span{color:var(--cyan)}h2{font-size:clamp(28px,3.2vw,43px);line-height:1.17;font-weight:500;letter-spacing:-1.2px;margin-bottom:20px}h3{font-size:23px;line-height:1.3;font-weight:550;letter-spacing:-.45px;margin-bottom:12px}p{color:var(--muted);margin-bottom:20px}.lead{font-size:19px;line-height:1.65;max-width:720px}.eyebrow{color:var(--cyan);font-size:12px;letter-spacing:1.8px;text-transform:uppercase;font-weight:650;margin:0 0 20px}.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);align-items:center;gap:60px;padding-block:78px 68px}.hero-single{display:block;max-width:920px;padding-block:64px 38px}.hero .lead{max-width:610px}.badge{display:inline-block;border:1px solid #3c6386;background:#10284775;color:#c2effb;border-radius:30px;font-size:12px;padding:5px 11px;line-height:1.5}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:28px}.button,button{font:inherit;line-height:1.5;cursor:pointer}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:14px 20px;border:1px solid #8ce8ff;border-radius:7px;background:linear-gradient(110deg,#96f5ff,#56c8ff);color:#051323;text-decoration:none;font-size:14px;font-weight:700;min-height:48px}.button:hover{background:#b0f5ff;color:#051323}.button.secondary{color:var(--white);background:#1022407a;border-color:#476894}.button.secondary:hover{background:#183c64;color:var(--cyan)}.button:disabled,button:disabled{opacity:.48;cursor:not-allowed}.text-link{font-size:14px}.small,.fineprint{font-size:13px;line-height:1.65}.fineprint{max-width:770px;margin-top:20px}.muted{color:var(--muted)}.section{padding-block:45px 50px}.section-heading{display:flex;justify-content:space-between;gap:48px;align-items:end;margin-bottom:28px}.section-heading p{max-width:430px;margin-bottom:0}.section-heading h2{margin-bottom:0}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{padding:29px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(135deg,#0c1e39,#081226);min-width:0}.card p:last-child{margin-bottom:0}.card .number{color:#73afd7;font:13px/1.6 monospace;display:block;margin-bottom:22px}.card h3{font-size:24px}.card .badge{margin-top:9px}.notice{padding:22px 25px;border:1px solid #294866;border-left:3px solid var(--cyan);border-radius:0 10px 10px 0;background:#0b1a2c;margin-block:25px}.notice strong{font-weight:600}.notice p{font-size:14px;margin:8px 0 0}.notice.warning{border-left-color:var(--amber)}.stat-strip{border-block:1px solid var(--line);background:#08172c}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-block:28px;gap:26px}.stat strong{font-size:29px;font-weight:500;color:var(--cyan);display:block;line-height:1.3}.stat span{font-size:13px;color:var(--muted);display:block;margin-top:6px}.flow{padding:26px;border:1px solid #386a9b;border-radius:18px;background:radial-gradient(ellipse at 0 0,#2154ce66,transparent 80%),#0c1a34;box-shadow:0 18px 60px #004cff18}.flow-label{font:11px/1.5 monospace;letter-spacing:1.4px;color:#a2c9e9;margin-bottom:24px}.flow-node{border:1px solid #3b6793;background:#112a50;padding:18px 20px;border-radius:9px}.flow-node strong{font-size:20px;font-weight:550;display:block}.flow-node small{font-size:12px;color:#b8d0e9}.flow-node.core{border-color:#78ecffa6;background:linear-gradient(110deg,#133968,#133a74)}.flow-arrow{text-align:center;color:var(--cyan);height:32px;line-height:32px}.flow p{font-size:12px;margin:19px 0 0}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:45px}.clean-list{padding-left:20px;color:var(--muted)}.clean-list li{margin-bottom:13px}.cta{padding-block:50px 65px;border-top:1px solid var(--line)}.site-footer{border-top:1px solid var(--line);padding-block:32px 36px;margin-top:35px}.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:25px;flex-wrap:wrap}.footer-links{display:flex;gap:22px;flex-wrap:wrap;font-size:13px}.site-footer p{font-size:12px;margin:15px 0 0;max-width:800px}.lab-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}.lab-grid .card{padding:26px}.scenario-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:22px 0 16px}.scenario{display:flex;flex-direction:column;text-align:left;gap:8px;min-height:112px;border:1px solid #365376;background:#0b1c35;border-radius:9px;color:var(--white);padding:14px 15px}.scenario:hover{border-color:var(--cyan)}.scenario[aria-pressed=true]{border-color:var(--cyan);background:#13325a;box-shadow:inset 0 0 0 1px #78ecff33}.scenario span{font-size:14px;font-weight:600}.scenario small{color:var(--muted);font-size:12px}.scenario-index{color:var(--cyan);font:11px/1.3 monospace}.pill{display:inline-block;border-radius:30px;border:1px solid #466582;padding:5px 11px;font-size:12px;line-height:1.5;color:var(--muted);white-space:nowrap}.pill.pass{color:var(--green);border-color:#3f7c69;background:#11382e66}.pill.fail{color:var(--red);border-color:#91535c;background:#4e1d2866}.pill.inconclusive{color:var(--amber);border-color:#8b7248;background:#47341b66}.result-heading{display:flex;align-items:start;justify-content:space-between;gap:15px}.result-heading h2{font-size:27px}.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0 28px}.metrics div{padding:13px;border:1px solid var(--line);border-radius:7px;min-width:0}.metrics dt{color:var(--muted);font-size:12px}.metrics dd{margin:4px 0 0;font-size:21px;color:var(--white)}label{display:block;font-size:14px;color:var(--white);margin:14px 0 7px}input,textarea{font:inherit;display:block;width:100%;background:#061023;border:1px solid #405b7e;border-radius:6px;color:var(--white);padding:11px;min-width:0}input[type=file]{font-size:13px}input::file-selector-button{font:inherit;border:1px solid #557494;background:#173658;color:#fff;padding:8px 10px;border-radius:4px;cursor:pointer;margin-right:12px}textarea{resize:vertical;font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;min-height:290px;max-height:700px}form{margin:0}.help{font-size:12px;margin:10px 0 16px;overflow-wrap:anywhere}details{border-top:1px solid var(--line);margin-top:22px;padding-top:15px}summary{color:#cae7ff;font-size:14px;cursor:pointer;padding:5px 0}pre{font:12px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre;overflow-x:auto;max-width:100%;background:#040d1d;padding:17px;border:1px solid var(--line);border-radius:7px;color:#c4daef}code{font: .9em/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere;color:#bdeeff}pre code{overflow-wrap:normal}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:12px 14px;color:var(--muted)}th{color:var(--white);font-weight:600}.table-wrap{overflow-x:auto;max-width:100%}.findings{padding:0;list-style:none}.finding{padding:15px 0;border-bottom:1px solid var(--line)}.finding-head{display:flex;gap:10px;align-items:center;margin-bottom:6px}.finding p{font-size:14px;margin:0}.finding code{font-size:11px;color:#a9c6e0}.severity{font-size:11px;text-transform:uppercase;color:var(--amber)}.severity.error{color:var(--red)}.clean-result{color:var(--green);font-size:15px;padding-block:10px}.no-script{margin:20px 0;padding:20px;border:1px solid var(--amber);color:var(--amber)}.scope-note{border-top:1px solid var(--line);padding-top:20px;margin-top:24px}.scope-note p{font-size:13px}.section h2{scroll-margin-top:24px}.inline-links{display:flex;gap:24px;flex-wrap:wrap;font-size:14px}.guide-content{max-width:920px}.guide-content .card{margin-bottom:22px}
@media(max-width:1000px){.hero{gap:30px}.wrap{width:calc(100% - 48px)}.scenario-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.nav{gap:18px}.brand-sub{display:none}}@media(max-width:760px){.hero,.two-col,.lab-grid{grid-template-columns:1fr}.hero{padding-top:48px;gap:35px}.flow{max-width:540px;width:100%}.section-heading{display:block}.section-heading p{margin-top:18px}.header-inner{min-height:76px;flex-wrap:wrap;padding-block:13px;gap:8px 20px}.nav{width:100%;margin:0;justify-content:flex-start;gap:25px}.nav a{min-height:36px}.cards{grid-template-columns:1fr}.stats{gap:20px}.stat strong{font-size:24px}.scenario-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.scenario:last-child{grid-column:span 2;min-height:90px}.hero-single{padding-bottom:25px}.section{padding-block:30px}.result-heading{flex-wrap:wrap}}@media(max-width:440px){.wrap{width:calc(100% - 32px)}h1{font-size:43px;letter-spacing:-1.8px}.lead{font-size:17px}.stats{grid-template-columns:1fr;gap:18px}.stat{display:flex;align-items:center;gap:17px}.stat strong{min-width:70px}.stat span{margin:0}.card,.lab-grid .card{padding:21px}.button{width:100%}.scenario{padding:13px;min-height:116px}.flow{padding:20px}.hero{padding-block:42px}.result-heading h2{font-size:25px}.brand{font-size:27px}.nav{gap:19px}.nav a{font-size:13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* Read-only recorded examples; no live input is accepted. */
.trace-code{max-height:620px;overflow:auto;tab-size:2}