:root{--navy-950:#071822;--navy-900:#0c2430;--navy-800:#123746;--ink:#172c35;--muted:#688089;--chalk:#f2f6f3;--paper:#fbfcf8;--line:#d9e5e1;--teal:#31d0c0;--teal-deep:#087d79;--amber:#edae4d;--amber-deep:#996116;--purple:#9776e8;--purple-deep:#6646b7;--shadow:0 18px 45px rgb(7 24 34 / 10%);--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--chalk)}body{min-width:320px;margin:0;color:var(--ink);font:15px/1.55 "Trebuchet MS",Bahnschrift,"Segoe UI",sans-serif;background:linear-gradient(135deg,rgb(226 240 236 / 58%),transparent 28rem),var(--chalk)}a{color:inherit}button,a{font:inherit}button{cursor:pointer}.site-header{min-height:72px;padding:0 clamp(18px,5vw,76px);display:flex;align-items:center;justify-content:space-between;gap:24px;color:#e8f6f3;background:var(--navy-950);border-bottom:1px solid rgb(255 255 255 / 12%)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 13px/1 Bahnschrift,"Segoe UI",sans-serif;letter-spacing:.13em}.brand-mark{color:var(--teal);font-size:26px;line-height:0}.brand small{padding-left:12px;color:#91acb3;border-left:1px solid #46616b;font:500 11px/1 "Trebuchet MS",sans-serif;letter-spacing:.01em}.site-header nav{display:flex;align-items:center;gap:clamp(12px,2.5vw,30px);font-size:12px}.site-header nav a{text-decoration:none;color:#bad0d1}.site-header nav a:hover,.site-header nav a:focus-visible{color:var(--teal)}.site-header .source-link{color:#edf8f5}
main{max-width:1280px;margin:auto;padding:0 clamp(18px,5vw,76px) 88px}.hero{position:relative;min-height:430px;padding:86px 0 48px;overflow:hidden}.hero-copy{position:relative;z-index:1;max-width:760px}.kicker{margin:0 0 14px;color:var(--teal-deep);font:800 10px/1.2 Bahnschrift,"Segoe UI",sans-serif;letter-spacing:.14em;text-transform:uppercase}.hero .kicker{color:#95dcd2}.signal-dot{display:inline-block;width:7px;height:7px;margin-right:7px;background:var(--teal);border-radius:50%;box-shadow:0 0 0 5px rgb(49 208 192 / 14%)}h1,h2,h3,p{margin-top:0}.hero h1{max-width:770px;margin:0 0 22px;color:#f4fbf9;font:800 clamp(36px,5.7vw,72px)/.99 Bahnschrift,"Trebuchet MS",sans-serif;letter-spacing:-.055em}.hero h1 em{color:var(--teal);font-style:normal}.hero-lede{max-width:580px;margin-bottom:28px;color:#bed1d1;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:11px 17px;border:1px solid var(--teal);border-radius:7px;color:var(--navy-950);background:var(--teal);font-weight:800;text-decoration:none;transition:transform .16s ease,background .16s ease,box-shadow .16s ease}.button:hover{transform:translateY(-2px);background:#65dfd3;box-shadow:0 9px 20px rgb(49 208 192 / 18%)}.button.secondary{color:#e0f4ef;background:transparent;border-color:#55757b}.button.secondary:hover{background:rgb(255 255 255 / 8%)}.button span{font-weight:500}.js-note{margin:15px 0 0;color:#8da8ac;font-size:11px}.river-sketch{position:absolute;right:-35px;top:42px;width:450px;height:340px;opacity:.85;pointer-events:none}.ridge{position:absolute;display:block;border:1px solid rgb(134 211 201 / 42%);border-radius:50%;transform:rotate(-18deg)}.ridge-a{inset:20px 40px 100px 80px}.ridge-b{inset:65px 5px 72px 30px}.ridge-c{inset:112px -25px 35px 0}.river-line{position:absolute;top:20px;left:215px;width:65px;height:300px;background:linear-gradient(120deg,transparent 20%,rgb(49 208 192 / 80%) 22%,rgb(49 208 192 / 20%) 29%,transparent 31%);transform:rotate(15deg);filter:blur(.2px)}.river-label{position:absolute;right:50px;bottom:63px;color:#6da9a6;font:800 10px Bahnschrift,sans-serif;letter-spacing:.15em;transform:rotate(-8deg)}.marker{position:absolute;width:30px;height:30px;padding-top:6px;text-align:center;color:var(--navy-950);background:var(--amber);border-radius:50%;font:800 10px Bahnschrift,sans-serif}.marker-a{top:82px;left:160px}.marker-b{bottom:108px;right:135px;background:var(--purple);color:#fff}.river-sketch small{position:absolute;right:0;bottom:4px;color:#6c898e;font-size:10px;text-align:right}.hero-badges{position:absolute;right:0;bottom:49px;left:0;display:flex;flex-wrap:wrap;gap:9px;color:#a9c4c3;font-size:11px}.hero-badges span{display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid rgb(130 171 172 / 22%);border-radius:99px;background:rgb(15 44 53 / 55%)}.badge-dot{width:6px;height:6px;border-radius:50%}.badge-dot.teal{background:var(--teal)}.badge-dot.amber{background:var(--amber)}.badge-dot.purple{background:var(--purple)}
.tour,.behavior,.architecture{padding-top:65px}.section-intro{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:22px}.section-intro h2{margin:0;color:var(--navy-950);font:800 clamp(26px,3vw,38px)/1.05 Bahnschrift,"Trebuchet MS",sans-serif;letter-spacing:-.04em}.section-intro>p{max-width:320px;margin:0;color:var(--muted);font-size:13px}.summary-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:22px;border:1px solid #c8d9d5;background:rgb(255 255 255 / 55%);border-radius:10px;overflow:hidden}.summary-strip article{display:flex;gap:12px;padding:17px 18px;border-right:1px solid var(--line)}.summary-strip article:last-child{border:0}.summary-number{color:var(--teal-deep);font:800 12px Bahnschrift,sans-serif;letter-spacing:.08em}.summary-strip h3{margin:0 0 3px;color:var(--navy-900);font:800 13px Bahnschrift,sans-serif}.summary-strip p{margin:0;color:var(--muted);font-size:12px;line-height:1.4}.tour-shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:490px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.step-tabs{display:flex;flex-direction:column;padding:17px 12px;background:var(--navy-900)}.step-tabs button{position:relative;padding:15px 12px;text-align:left;color:#91acb1;background:transparent;border:0;border-left:2px solid transparent;border-radius:5px;font-size:12px}.step-tabs button[aria-selected=true]{color:#f1fcf8;background:rgb(49 208 192 / 10%);border-left-color:var(--teal);font-weight:800}.step-tabs button[aria-selected=true]::after{content:"";position:absolute;right:12px;top:22px;width:5px;height:5px;background:var(--teal);border-radius:50%}.step-tabs button:hover{color:#fff;background:rgb(255 255 255 / 5%)}.step-panels{min-width:0}.step-panel{padding:35px clamp(22px,4vw,55px) 30px;min-height:490px}.panel-heading{max-width:640px;padding-bottom:20px;border-bottom:1px solid var(--line)}.step-index{display:block;margin-bottom:8px;color:var(--teal-deep);font:800 10px Bahnschrift,sans-serif;letter-spacing:.1em}.panel-heading h3{margin-bottom:8px;color:var(--navy-950);font:800 clamp(23px,3vw,34px)/1.05 Bahnschrift,"Trebuchet MS",sans-serif;letter-spacing:-.035em}.panel-heading p{margin:0;color:var(--muted);font-size:14px}.content-slot{min-height:190px;padding:23px 0}.empty-state{display:grid;gap:10px;max-width:400px}.loading-line{height:13px;background:#edf2ef;border-radius:3px}.loading-line.short{width:62%}.panel-actions{padding-top:4px}.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.fact{padding:12px 14px;border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:7px;background:#f7faf7}.fact small{display:block;color:var(--muted);font:800 10px Bahnschrift,sans-serif;letter-spacing:.08em;text-transform:uppercase}.fact strong{display:block;margin-top:4px;color:var(--navy-900);overflow-wrap:anywhere}.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.metric{padding:15px;border:1px solid var(--line);background:#f8faf7;border-radius:8px}.metric strong{display:block;color:var(--navy-950);font:800 25px/1 Bahnschrift,sans-serif}.metric small{display:block;margin-top:7px;color:var(--muted);font-size:11px}.evidence-card{padding:16px;border:1px solid #c9ddda;border-left:4px solid var(--teal);background:#f5fbf8;border-radius:8px}.evidence-card h4{margin:0 0 5px;font:800 14px Bahnschrift,sans-serif}.evidence-card p{margin:0;color:var(--muted);font-size:13px}.status-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.status-box{padding:14px;border:1px solid #e4c995;border-radius:8px;background:#fff8eb}.status-box.partial{border-color:#e4c995;background:#fff8eb}.status-box.verified{border-color:#b7dcd7;background:#effaf6}.status-box strong{display:block;margin-bottom:5px;font:800 12px Bahnschrift,sans-serif}.status-box p{margin:0;color:var(--muted);font-size:12px}.callout{padding:15px 17px;border-radius:8px;border-left:4px solid var(--amber);background:#fff7e9}.callout.purple{border-left-color:var(--purple);background:#f5f1ff}.callout p{margin:0;font-size:13px}.meta{color:var(--muted);font-size:12px}.table-scroll{overflow-x:auto;margin:10px 0}.table-scroll table{width:100%;min-width:440px;border-collapse:collapse;font-size:12px}.table-scroll th,.table-scroll td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--line)}.table-scroll th{color:var(--muted);font:800 10px Bahnschrift,sans-serif;letter-spacing:.07em;text-transform:uppercase}.chart{min-height:130px;padding:15px;border:1px solid var(--line);background:linear-gradient(180deg,#f8fbf8,#eef7f3);border-radius:8px}.tool-list{display:grid;gap:8px}.tool-step{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;background:#f5f8f5;border-radius:7px}.tool-step span{flex:none;color:var(--purple-deep);font:800 11px Bahnschrift,sans-serif}.tool-step p{margin:0;font-size:12px}.error{padding:14px;color:#8b3d2c;background:#fff1ec;border:1px solid #efc2b5;border-radius:7px}.success{padding:14px;color:#276b59;background:#ecfaf4;border:1px solid #bce0d3;border-radius:7px}.receipt{padding:16px;border:1px dashed #9ebbb5;background:#f5faf7;border-radius:8px}.receipt strong{display:block;color:var(--teal-deep);font:800 11px Bahnschrift,sans-serif;letter-spacing:.08em;text-transform:uppercase}.receipt p{margin:7px 0 0;font-size:13px}label{display:block;margin:10px 0 5px;font-weight:800;font-size:12px}input,textarea{width:100%;padding:10px 12px;color:var(--ink);background:#fff;border:1px solid #b9cdca;border-radius:6px;font:inherit}textarea{min-height:80px;resize:vertical}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}details{margin-top:0;border-top:1px solid var(--line)}summary{padding:13px 0;color:var(--purple-deep);cursor:pointer;font-weight:800;font-size:12px}details>div{padding:0 0 16px;color:var(--muted);font-size:12px}
.behavior{border-top:1px solid var(--line)}.behavior-content{min-height:110px;padding:20px;border:1px solid var(--line);background:rgb(255 255 255 / 65%);border-radius:10px}.architecture{border-top:1px solid var(--line)}.architecture-line{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;position:relative;margin:38px 0 21px}.architecture-line::before{content:"";position:absolute;top:17px;right:7%;left:7%;height:1px;background:#b5ceca}.arch-stage{position:relative;z-index:1;display:flex;min-width:0;flex-direction:column;align-items:center;gap:8px;padding:0 6px;text-align:center;text-decoration:none}.arch-stage span{display:grid;place-items:center;width:35px;height:35px;color:var(--navy-950);background:var(--teal);border:5px solid var(--chalk);border-radius:50%;font:800 10px Bahnschrift,sans-serif}.arch-stage:nth-child(4) span{background:var(--purple);color:#fff}.arch-stage:nth-child(5) span{background:var(--amber)}.arch-stage strong{color:var(--navy-900);font:800 12px/1.25 Bahnschrift,sans-serif}.arch-stage small{color:var(--muted);font-size:10px}.arch-stage:hover strong,.arch-stage:focus-visible strong{color:var(--teal-deep)}.architecture-note{margin:0 0 13px;color:var(--muted);font-size:12px}.evidence-link{color:var(--teal-deep);font-weight:800;font-size:12px;text-decoration:none}.evidence-link:hover{text-decoration:underline}.site-footer{display:flex;justify-content:space-between;gap:20px;padding:25px clamp(18px,5vw,76px);color:#a4bec0;background:var(--navy-950);font-size:11px}.site-footer p{margin:0}.site-footer p:last-child{color:#d1e4df}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}@media(max-width:850px){.site-header{align-items:flex-start;padding-top:18px;padding-bottom:18px;flex-direction:column}.site-header nav{width:100%;justify-content:space-between}.hero{padding-top:65px}.river-sketch{right:-130px;opacity:.45}.hero-badges{position:relative;bottom:auto;margin-top:42px}.tour-shell{grid-template-columns:1fr}.step-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:9px}.step-tabs button{padding:12px 8px;text-align:center;font-size:10px;border-left:0;border-bottom:2px solid transparent}.step-tabs button[aria-selected=true]{border-bottom-color:var(--teal)}.step-tabs button[aria-selected=true]::after{right:calc(50% - 2px);top:auto;bottom:5px}.architecture-line{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 4px}.architecture-line::before{display:none}.arch-stage{align-items:center}.summary-strip{grid-template-columns:1fr}.summary-strip article{border-right:0;border-bottom:1px solid var(--line)}.summary-strip article:last-child{border-bottom:0}.section-intro{align-items:flex-start;flex-direction:column;gap:10px}}
@media(max-width:520px){main{padding-right:14px;padding-left:14px}.site-header{padding-right:14px;padding-left:14px}.brand{font-size:11px}.brand small{display:none}.site-header nav{gap:9px;font-size:10px}.site-header nav a{white-space:nowrap}.hero{min-height:0;padding-top:52px;padding-bottom:30px}.hero h1{font-size:39px}.hero-lede{font-size:15px}.hero-actions .button{width:100%}.hero-badges{align-items:flex-start;flex-direction:column;gap:6px}.hero-badges span{font-size:10px}.river-sketch{top:8px;right:-180px;transform:scale(.75);transform-origin:top right}.summary-strip article{padding:14px}.step-tabs button{font-size:9px;line-height:1.25}.step-panel{padding:28px 17px 25px}.panel-heading h3{font-size:26px}.facts,.metric-grid,.status-pair{grid-template-columns:1fr}.architecture-line{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 3px}.site-footer{align-items:flex-start;flex-direction:column;gap:8px;padding-right:14px;padding-left:14px}}

/* Integrated tour layout and recorded evidence drilldowns. */
:root{--muted:#506970}
.hero{margin-top:26px;padding:54px 38px 32px;min-height:0;background:radial-gradient(ellipse at 100% 20%,#123e47,transparent 62%),var(--navy-950);border:1px solid #21434b;border-radius:18px}
.hero h1{font-size:clamp(36px,4.6vw,62px);max-width:760px;line-height:1.04}
.hero-badges{position:relative;left:auto;right:auto;bottom:auto;margin-top:28px;padding-top:20px;border-top:1px solid #29444b}
.hero-lede{max-width:610px;color:#d0e1e0}
.hero .river-sketch{right:12px;opacity:.4}.hero .river-sketch small{right:14px;color:#adc6c5}
.hero .js-note{color:#b9cece}
.step-panel .button.secondary,.behavior .button.secondary{color:#174f56;border-color:#8caaa8;background:#f3f9f6}
.step-panel .button.secondary:hover,.behavior .button.secondary:hover{background:#e1f2eb}
.button:disabled{cursor:wait;opacity:.55;transform:none;box-shadow:none}
.step-panel h4{margin:8px 0 14px;font-size:18px;line-height:1.3}
.step-panel h5{margin:12px 0 6px;font-size:13px}
.step-panel .facts,.step-panel .metric-grid,.step-panel .status-pair{margin:14px 0 22px}
.status-box{padding:24px 18px}.status-box h4{font-size:27px;margin:10px 0}
.status-box small{font-size:10px;font-weight:bold;letter-spacing:.1em}
.status-box.verified{background:#f3effd;border-color:#c7b5ed;color:#583391}
.status-box.partial{color:#80500f}.status-box p{color:inherit;font-size:14px}
.evidence-card{padding:24px}.evidence-card h4{font-size:26px;line-height:1.15;margin:12px 0 16px}
.evidence-card p{color:#3f5f61;font-size:15px;margin-bottom:16px}
.callout{margin:0 0 20px}.callout p{margin-top:8px}.chart{margin:12px 0}.chart svg{display:block;width:100%;height:auto}
blockquote.callout{margin:20px 0;font-size:21px;color:#694510}
.tool-list{padding:0;list-style:none;margin:16px 0}.tool-step{display:block;min-width:0;padding:4px 14px}
.tool-step details{min-width:0;width:100%;border:0}.tool-step summary{overflow-wrap:anywhere;font-family:Consolas,monospace;font-size:12px}
pre{max-width:100%;max-height:340px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;color:#d5ece7;background:#102630;border-radius:8px;font:12px/1.6 Consolas,monospace}
.content-slot,.facts>*,.metric-grid>*,.status-pair>*,.summary-strip article>div{min-width:0}
.content-slot p,.content-slot strong,.content-slot small,.arch-stage strong{overflow-wrap:anywhere}
.content-slot details{margin:18px 0}.behavior-content details{padding:8px 0}.behavior-content details>p{font-size:14px;max-width:850px}
.behavior-content .button{margin:5px 12px 16px 0}.behavior-content .evidence-link{display:inline-block;margin:6px 0}
.behavior,.architecture{margin-top:48px}.architecture .evidence-link{display:inline-block;margin-right:24px}
.panel-heading h3:focus{outline:none}.panel-heading h3:focus-visible{outline:3px solid var(--amber)}
.tour-shell,.summary-strip{scroll-margin-top:20px}.step-panel{scroll-margin-top:20px}
#decision-content .actions{margin:22px 0}#decision-content .success{margin:18px 0}
@media(max-width:850px){.hero{padding:36px 24px 28px}.hero h1{font-size:clamp(36px,6.5vw,56px)}.hero-badges{margin-top:26px}.hero .river-sketch{opacity:.15}}
@media(max-width:520px){.hero{padding:30px 20px 22px;margin-top:16px}.hero h1{font-size:36px;letter-spacing:-.04em}.hero-badges span{font-size:10px;padding:7px 8px}.step-panel{padding:24px 14px}.tour,.behavior,.architecture{padding-top:36px}.tool-step{padding:4px 8px}.evidence-card{padding:16px}.status-box h4{font-size:25px}.facts strong{font-size:14px}}