:root{--bg:#f5f5f1;--surface:#fff;--ink:#0f1c21;--ink-2:#2f3f46;--muted:#5f6f75;--faint:#8a979b;--line:#e3e5df;--line-2:#d2d7cf;--soft:#eef0eb;--accent:#14524a;--accent-2:#0e3f39;--good:#1b7a4c;--good-bg:#e6f3eb;--bad:#b3361e;--bad-bg:#fbebe6;--warn-bg:#f7f0da;--dark:#0e1f26;--dark-2:#16303a;--dark-line:#2a4651;--mint:#b6eed8;--gold:#e3ca7a;--red:#b3361e;--green:#14524a;--paper:var(--bg);--white:var(--surface);--sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;--radius:12px;font-family:var(--sans);color:var(--ink);background:var(--bg);font-synthesis:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);font-size:15px;line-height:1.5}
button,input,select,textarea{font:inherit;color:inherit}
button,a,select,input{-webkit-tap-highlight-color:transparent}
button,a{touch-action:manipulation}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.45}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
a{color:inherit;text-underline-offset:3px}
code{font-family:var(--mono);font-size:.88em}

/* Header */
header{position:sticky;top:0;z-index:20;height:68px;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:0 max(24px,calc((100% - 1320px)/2));background:rgba(245,245,241,.86);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:19px;font-weight:650;letter-spacing:-.02em}
.brand-light{font-weight:400;color:var(--muted)}
.brand img{border-radius:8px;width:28px;height:28px}
nav{display:flex;gap:2px;padding:3px;background:var(--soft);border:1px solid var(--line);border-radius:10px}
.nav{background:none;border:0;border-radius:7px;font-size:13.5px;font-weight:500;padding:7px 13px;color:var(--muted);white-space:nowrap}
.nav:hover{color:var(--ink)}
.nav.active{color:var(--ink);background:var(--surface);box-shadow:0 1px 2px rgba(15,28,33,.08),0 0 0 1px var(--line)}
.nav span{margin-left:6px}
.local-tag{font-size:12.5px;font-weight:500;color:var(--ink-2);display:flex;gap:8px;align-items:center;white-space:nowrap}
.local-tag i{height:7px;width:7px;border-radius:50%;background:var(--good);box-shadow:0 0 0 3px var(--good-bg)}

main{max-width:1320px;margin:auto;padding:0 24px}

/* Hero */
.hero{padding:40px 0 32px;max-width:900px}
.eyebrow{font-size:13px;font-weight:550;letter-spacing:0;margin:0 0 14px;color:var(--accent)}
.hero h1{font-size:clamp(34px,3.6vw,48px);line-height:1.04;letter-spacing:-.035em;font-weight:620;margin:0;text-wrap:balance}
.intro{font-size:18px;line-height:1.5;color:var(--ink-2);margin:14px 0 0;max-width:640px;text-wrap:pretty}
.hero-note{font-size:13.5px;color:var(--muted);margin:18px 0 0;line-height:1.6}
.hero-note .text-button{font-size:13.5px}
.tiny,.panel-number{font-size:12px;font-weight:550;letter-spacing:0;color:var(--muted)}
.text-button{border:0;background:none;padding:0;font-size:14px;font-weight:550;color:var(--accent);text-align:left;text-decoration:underline;text-decoration-color:rgba(20,82,74,.3);text-underline-offset:4px}
.text-button:hover{text-decoration-color:var(--accent)}
.text-button span{margin-left:8px}
.disclosure{margin-top:24px;color:var(--muted);font-size:12.5px;line-height:1.6}

/* Section headings */
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin:0 0 28px;gap:40px}
.section-heading h2{font-size:clamp(26px,2.6vw,34px);line-height:1.12;letter-spacing:-.025em;font-weight:620;margin:0;max-width:640px;text-wrap:balance}
.section-heading p:not(.eyebrow){font-size:14.5px;line-height:1.6;color:var(--muted);max-width:420px;margin:0}
.section-heading .eyebrow{margin-bottom:10px}

/* Controls */
.toolbar{background:var(--surface);display:flex;gap:28px;align-items:center;padding:16px 20px;border:1px solid var(--line);margin-bottom:20px;border-radius:var(--radius)}
.field{min-width:150px}
.field label{display:block;font-size:12.5px;font-weight:500;color:var(--muted);margin-bottom:6px}
.field select{background:transparent;border:0;font-size:14.5px;font-weight:600;color:var(--ink);padding:0 20px 0 0;max-width:100%}
.shock-field{flex:1;max-width:300px}
.shock-field label{display:flex;justify-content:space-between}
.shock-field input{width:100%;accent-color:var(--accent);height:6px}
.button{border:1px solid transparent;padding:11px 16px;border-radius:9px;font-size:14px;font-weight:600;display:inline-flex;gap:10px;justify-content:center;align-items:center;text-decoration:none;line-height:1.2}
.primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(14,63,57,.25),inset 0 1px 0 rgba(255,255,255,.08)}
.primary:hover:not(:disabled){background:var(--accent-2)}
.secondary{background:var(--surface);border-color:var(--line-2);color:var(--ink);margin-left:auto}
.secondary:hover:not(:disabled){background:var(--soft)}

/* Model replay workspace */
.workspace{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:20px}
.stage{background:var(--dark);color:#dfeae7;padding:26px 28px 18px;border-radius:var(--radius);overflow:hidden}
.stage-head{display:flex;justify-content:space-between;align-items:center;gap:15px}
.mint{color:var(--mint)}
.stage .tiny{color:#9fb7b9}
.stage-head .tiny.mint{color:var(--mint)}
.stage-head h2{font-size:19px;font-weight:550;letter-spacing:-.01em;margin:6px 0 0}
.switch{padding:3px;border:1px solid var(--dark-line);border-radius:9px;display:flex;background:var(--dark-2)}
.switch button{background:transparent;border:0;color:#b4c7cc;font-size:12.5px;font-weight:550;padding:7px 12px;border-radius:6px;white-space:nowrap}
.switch .selected{background:#e6f2ec;color:#173b35}
.stage-metrics{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:28px 0 18px}
.stage-metrics .tiny{font-size:12px;color:#9fb7b9}
.stage-metrics p{margin:8px 0 6px;font-size:14px;color:#a3baba}
.stage-metrics p strong{font-size:40px;font-weight:550;letter-spacing:-.03em;color:var(--mint);font-variant-numeric:tabular-nums}
.stage-metrics>div>span:last-child{font-size:12.5px;color:#a3b9bc}
.stage-metrics .tank-wrap{width:135px;align-self:stretch}
.tank-wrap svg{width:100%;height:100%;max-height:110px}
.chart-label{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:13px;font-weight:550;margin:10px 0}
.chart-label small{color:#9bb1b6;font-size:12px;margin-left:5px;font-weight:400}
.chart-legend{display:flex;align-items:center;gap:8px;color:#aac0c1;font-size:12px;font-weight:400}
.line{width:18px;height:2px;display:inline-block;vertical-align:middle}
.mint-line{background:var(--mint)}
.dotted{background:repeating-linear-gradient(90deg,#dfb97c 0 4px,transparent 4px 7px)}
.gold{background:var(--gold)}
.teal{background:#26745f}
.grey{background:#a6adb1}
.square{width:8px;height:8px;background:#567e7f;display:inline-block}
.chart{display:block;width:100%;overflow:visible}
.stage-footer{border-top:1px solid var(--dark-line);display:flex;justify-content:space-between;gap:12px;padding-top:14px;margin-top:10px;font-size:12px;color:#91aaae;line-height:1.6}
.receipt-panel{padding:26px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.receipt-panel h2{font-size:26px;font-weight:620;letter-spacing:-.025em;line-height:1.12;margin:14px 0 12px}
.panel-copy{font-size:14px;line-height:1.6;color:var(--muted)}
.checks{list-style:none;padding:0;margin:22px 0}
.checks li{font-size:13.5px;border-bottom:1px solid var(--line);padding:11px 0;display:flex;gap:12px;align-items:flex-start;line-height:1.4}
.checks b{color:var(--good);font-size:13px}
.checks .fail b{color:var(--bad)}
.checks small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.impact-pair{display:flex;gap:15px;font-size:12px;color:var(--muted);padding:8px 0 22px;line-height:1.5}
.impact-pair>span{flex:1}
.impact-pair strong{display:block;color:var(--ink);font-size:19px;font-weight:600;margin-top:4px;font-variant-numeric:tabular-nums}
.receipt-panel .button{width:100%}
.micro{font-size:12.5px;line-height:1.6;color:var(--muted)}
.receipt-panel>.micro{text-align:center;margin-top:12px}
.below-grid{display:grid;grid-template-columns:320px minmax(0,1fr);gap:40px;margin:40px 0 56px}
.explainer{padding:8px 0}
.explainer h3{font-size:26px;font-weight:620;letter-spacing:-.025em;line-height:1.15;margin:12px 0 14px}
.explainer p{font-size:14.5px;line-height:1.65;color:var(--muted);max-width:290px}
.explainer .text-button{margin-top:8px}
.forecast-card{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.forecast-card h3{font-size:17px;font-weight:600;margin:0}
.badge{font-size:12px;font-weight:550;color:var(--ink-2);background:var(--soft);border:1px solid var(--line);padding:4px 9px;border-radius:999px;white-space:nowrap}
.forecast-card svg{width:100%;margin-top:18px}
.forecast-foot{display:flex;justify-content:space-between;gap:15px;font-size:12.5px;color:var(--muted)}
.forecast-foot .line{margin-right:5px}
.forecast-card .micro{margin-bottom:0}

/* Shared cards */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--surface);margin-bottom:24px;border-radius:var(--radius);overflow:hidden}
.stat{padding:22px 24px;border-right:1px solid var(--line)}
.stat:last-child{border:0}
.stat>span{font-size:12.5px;font-weight:500;color:var(--muted)}
.stat strong{display:block;font-size:32px;font-weight:600;letter-spacing:-.03em;margin:10px 0 6px;font-variant-numeric:tabular-nums}
.stat p{font-size:12.5px;margin:0;line-height:1.5;color:var(--muted)}
.evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.paper{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.paper h3{font-size:22px;font-weight:620;letter-spacing:-.02em;line-height:1.2;margin:10px 0 12px}
.paper p{font-size:14px;line-height:1.65;color:var(--muted)}
.boundary{display:grid;grid-template-columns:120px 1fr;font-size:14px;line-height:1.6;margin:22px 0 0;gap:14px 18px}
.boundary dt{font-weight:600}
.boundary dd{margin:0;color:var(--muted)}
.data-row{display:flex;justify-content:space-between;padding:10px 0;font-size:13.5px;border-bottom:1px solid var(--line);gap:20px}
.table-paper{margin:24px 0}
.table-paper .chart-label h3{margin:0;font-size:20px}
.table-scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;text-align:left;font-size:13.5px;margin-top:18px;white-space:nowrap}
th{font-size:12px;font-weight:600;color:var(--muted);padding:11px 12px;background:var(--soft);border-bottom:1px solid var(--line)}
th:first-child{border-radius:8px 0 0 0}th:last-child{border-radius:0 8px 0 0}
td{padding:12px;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
td:last-child{font-size:12.5px}
tbody tr:hover td{background:#fafbf8}
.positive{color:var(--good)}
.negative{color:var(--bad)}
.source-strip{padding:28px 0 44px;border-top:1px solid var(--line);margin-top:36px}
.source-strip h3{font-size:18px;font-weight:600;margin:0 0 10px}
.source-strip a{font-size:14px;font-weight:500;margin-right:24px;line-height:2.4;color:var(--accent)}
.source-strip p{font-size:14px;line-height:1.65;color:var(--muted);max-width:860px}

/* Attack lab */
.attack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.attack-card{padding:22px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-align:left;border-radius:var(--radius);display:flex;flex-direction:column}
.attack-card:hover{border-color:var(--line-2);box-shadow:0 6px 20px rgba(15,28,33,.06);transform:translateY(-1px)}
.attack-card>span{font-size:12.5px;font-weight:600;color:var(--accent)}
.attack-card h3{font-size:21px;font-weight:620;letter-spacing:-.02em;margin:14px 0 12px;line-height:1.2}
.attack-card p{font-size:13.5px;line-height:1.6;color:var(--muted);flex:1;margin:0 0 18px}
.attack-card strong{font-size:13.5px;font-weight:600;color:var(--accent)}
.proof-box{background:var(--soft);padding:14px;margin-top:16px;border:1px solid var(--line);border-radius:10px}
.proof-box p{margin:4px 0;font-size:13px;line-height:1.6}
.proof-box a{display:block;font-size:13px;font-weight:600;margin-top:10px;color:var(--accent)}
.hash{font-family:var(--mono);font-size:12px;word-break:break-all;color:var(--faint);line-height:1.6}
.trace{list-style:none;margin:20px 0 0;padding:0}
.trace li{display:grid;grid-template-columns:30px 200px minmax(0,1fr);gap:14px;padding:13px 0;border-top:1px solid var(--line);font-size:14px;align-items:center}
.trace b{width:24px;height:24px;background:var(--soft);border:1px solid var(--line);display:grid;place-items:center;border-radius:50%;font-size:12px;font-weight:600}
.trace small{color:var(--muted);font-size:12.5px}
.trace code{font-size:12px;color:var(--faint);overflow-wrap:anywhere}
.rejection{font-family:var(--mono);color:var(--bad);font-size:16px}
#notice{background:var(--warn-bg);padding:13px 16px;font-size:14px;margin-bottom:20px;border:1px solid #e6d7a6;border-radius:10px;line-height:1.6}
.busy{opacity:.7;pointer-events:none}

/* Footer and dialog */
footer{max-width:1320px;margin:0 auto;border-top:1px solid var(--line);padding:28px 24px 40px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);gap:20px}
.brand-text{font-weight:650;font-size:17px;letter-spacing:-.02em;color:var(--ink)}
.brand-text span{font-weight:400;color:var(--muted)}
dialog{border:1px solid var(--line);border-radius:16px;padding:34px;max-width:470px;background:var(--surface);color:var(--ink);box-shadow:0 24px 80px rgba(8,30,38,.25)}
dialog::backdrop{background:rgba(8,30,38,.45);backdrop-filter:blur(3px)}
dialog h2{font-size:28px;line-height:1.15;font-weight:620;letter-spacing:-.025em}
dialog>p:not(.eyebrow){font-size:15px;line-height:1.65;color:var(--muted)}
dialog .button{width:100%;margin-top:22px}
.close{position:absolute;right:16px;top:12px;background:none;border:0;font-size:24px;color:var(--muted)}
[hidden]{display:none!important}

/* Check a plan */
#external{padding-bottom:24px}
.flow{display:grid;grid-template-columns:380px minmax(0,1fr);gap:20px;align-items:start}
.flow-left,.flow-right{display:grid;gap:20px;min-width:0}
.flow-left{position:sticky;top:88px}
.panel{display:grid;gap:10px;min-width:0}
.step{padding:24px}
.step-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:620;letter-spacing:-.01em;margin:0 0 16px;color:var(--ink)}
.panel>.step-title{margin:0 0 0 2px}
.num{width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:12.5px;font-weight:650;flex:none}
.step-copy{font-size:14px!important;line-height:1.55;color:var(--muted);margin:-6px 0 16px}
.plan-cards{display:grid;gap:10px}
.plan-card{display:grid;gap:3px;text-align:left;padding:14px 16px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface)}
.plan-card strong{font-size:15px;font-weight:620}
.plan-card span{font-size:13.5px;color:var(--muted)}
.plan-card:hover{border-color:var(--ink-2)}
.plan-card.active{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:#f3f8f5}
.raw{margin:14px 0 16px}
.raw summary,.tech summary{cursor:pointer;font-size:13.5px;font-weight:550;color:var(--muted)}
.raw[open] summary,.tech[open] summary{color:var(--ink-2)}
#external label{display:block;margin:14px 0 6px;font-size:13px;font-weight:550;color:var(--ink-2)}
#external select,#external input[type=file]{width:100%;max-width:100%;padding:9px 11px;border:1px solid var(--line-2);border-radius:9px;background:var(--surface);font-size:14px}
#external input[type=file]{padding:7px 9px;color:var(--muted)}
#external input[type=file]::file-selector-button{font:inherit;font-size:13px;font-weight:550;border:1px solid var(--line-2);background:var(--soft);border-radius:6px;padding:5px 10px;margin-right:10px;cursor:pointer}
#external textarea{display:block;width:100%;max-width:100%;font:12.5px/1.55 var(--mono);padding:12px;border:1px solid var(--line-2);border-radius:9px;background:#fbfbf9;resize:vertical;color:var(--ink-2)}
.step .button{width:100%;margin:0}
.step .primary{padding:14px 18px;font-size:15px}
#external-preview{font-size:14.5px;color:var(--muted);padding:24px}
#external-result{font-size:14.5px;color:var(--muted)}
#external-result:not(:empty){margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.contract-card{padding:22px 24px}
.contract-ask{display:flex;align-items:center;justify-content:space-between;gap:24px}
.contract-ask .step-copy{margin:0!important;max-width:460px}
.contract-ask .button{flex:none;padding:13px 22px;font-size:15px}
#external-preview:empty::before{content:"Choose a plan to see what happens to the tank over the day.";color:var(--faint)}
#external-result:empty{display:none}
.verdict{border-radius:10px;padding:16px 18px;margin-bottom:16px}
.verdict.bad{background:var(--bad-bg)}
.verdict.good{background:var(--good-bg)}
.verdict-tag{font-size:12.5px;font-weight:650}
.verdict.bad .verdict-tag{color:var(--bad)}
.verdict.good .verdict-tag{color:var(--good)}
.verdict-line{margin:4px 0 0!important;font-size:22px!important;line-height:1.3!important;font-weight:620;letter-spacing:-.02em;color:var(--ink)!important;text-wrap:balance}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);margin:0 0 6px;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.kpi{padding:14px 16px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:3px;min-width:0}
.kpi:last-child{border:0}
.kpi strong{font-size:28px;font-weight:620;letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.15}
.kpi small{font-size:12.5px;color:var(--muted)}
.kpi.bad strong,.kpi.bad .label{color:var(--bad)}
.kpi.good strong,.kpi.good .label{color:var(--good)}
.label{font-size:12.5px;font-weight:550;color:var(--muted)}
.level-chart{display:block;width:100%;height:auto;margin:12px 0 2px}
.lc-grid{stroke:var(--line);stroke-width:1}
.lc-start{stroke:var(--ink-2);stroke-width:1;stroke-dasharray:4 4;opacity:.6}
.lc-reserve{stroke:#c98a3c;stroke-width:1.2;stroke-dasharray:2 3}
.lc-area{fill:var(--accent);fill-opacity:.08}
.lc-line{fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linejoin:round}
.lc-end{fill:var(--accent);stroke:var(--surface);stroke-width:2}
.lc-end.bad{fill:var(--bad)}
.lc-debt{stroke:var(--bad);stroke-width:2}
.lc-debt-label{fill:var(--bad);font-size:13px;font-weight:650;font-family:var(--sans)}
.lc-axis{fill:var(--faint);font-size:11.5px;font-family:var(--sans);font-variant-numeric:tabular-nums}
.chart-key{display:flex;flex-wrap:wrap;gap:16px;margin:0 0 4px!important;font-size:12.5px!important}
.chart-key i{display:inline-block;width:16px;height:0;vertical-align:middle;margin-right:5px}
.k-line{border-top:2px solid var(--accent)}
.k-start{border-top:1px dashed var(--ink-2)}
.k-reserve{border-top:1.5px dotted #c98a3c}
.gates{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.gates li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;line-height:1.4;color:var(--ink-2);padding:10px 12px;border:1px solid var(--line);border-radius:9px}
.gates b,.steps-plain b{flex:none;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-size:11px;color:#fff;background:var(--good)}
.gates .no{background:var(--bad-bg);border-color:#f1d0c6}
.gates .no b,.steps-plain .no b{background:var(--bad)}
.tech{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}
.tech p{font-size:13px!important}
#external pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;background:var(--soft);padding:12px;border-radius:8px;color:var(--ink-2)}
.decision{display:flex;gap:16px;align-items:flex-start;border-radius:10px;padding:18px}
.decision.bad{background:var(--bad-bg)}
.decision.good{background:var(--good-bg)}
.decision-icon{flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:20px;font-weight:700}
.decision.bad .decision-icon{background:var(--bad)}
.decision.good .decision-icon{background:var(--good)}
.decision h3{margin:0!important;font-size:24px!important;color:var(--ink)}
.decision p{margin:4px 0 0!important;font-size:15px!important;color:var(--ink-2)!important}
.revert{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--bad);background:#fff;border:1px solid #f1d0c6;border-radius:6px;padding:3px 8px}
.steps-plain{list-style:none;margin:16px 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.steps-plain li{display:grid;grid-template-columns:18px 1fr;gap:4px 9px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:13.5px;color:var(--ink-2)}
.steps-plain small{grid-column:2;color:var(--faint);font-size:12px}
.steps-plain .no{background:var(--bad-bg);border-color:#f1d0c6}
.download{width:auto!important;margin:0!important}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap}
.chip.pass{color:var(--good);background:var(--good-bg)}
.chip.fail{color:var(--bad);background:var(--bad-bg)}
.hashes{display:grid;grid-template-columns:150px 1fr;gap:6px 14px;margin:12px 0;font-size:12.5px}
.hashes dt{color:var(--muted);font-weight:550}
.hashes dd{margin:0;font-family:var(--mono);font-size:12px;color:var(--ink-2);word-break:break-all}
.boundary-note{max-width:900px;margin:18px 0 0}

/* Hydraulic lab */
#hydraulics .evidence-grid>article{min-width:0}
.hydro-boundary{border-left:3px solid var(--accent);padding:13px 18px;margin-bottom:20px;background:var(--surface);border-radius:0 10px 10px 0;font-size:14px;line-height:1.65;color:var(--muted)}
.hydro-picker{flex:1}
.hydro-result{margin:28px 0}
.hydro-result h3{font-size:26px;font-weight:620;letter-spacing:-.025em;margin:12px 0 8px}
.hydro-result p{font-size:14.5px;line-height:1.65;color:var(--muted)}
.hydro-verdict{font-size:12.5px;font-weight:600;padding:5px 11px;display:inline-block;border-radius:999px;background:var(--soft)}
.hydro-verdict.pass{background:var(--good-bg);color:var(--good)}
.hydro-verdict.withheld{background:var(--bad-bg);color:var(--bad)}
.hydro-network svg{width:100%;margin:15px 0}
.hydro-network p{font-size:13.5px;line-height:1.65;color:#bdd0cd}
.hydro-network .micro{font-size:12.5px;color:#9fbab8}
.hydro-legend{display:flex;gap:18px;flex-wrap:wrap;font-size:12.5px;color:#b6eed8}
.hydro-legend span:nth-child(2){color:#ff9e7c}
.hydro-legend span:nth-child(3){color:#e3ca7a}
.hydro-method{margin-top:20px}
#hydro-pressure{width:100%;display:block}
#hydro-case-table td:last-child{white-space:normal;min-width:220px;max-width:400px}
#hydraulics .stat strong{font-size:28px}
#hydraulics code{overflow-wrap:anywhere;font-size:12.5px}
#hydraulics .table-scroll table{font-size:13px}

@media(prefers-reduced-motion:no-preference){button,.attack-card{transition:background .15s,border-color .15s,box-shadow .15s,transform .15s}.chart polyline,.chart path{transition:all .25s}}

@media(max-width:1180px){header{gap:16px}.local-tag{display:none}.flow{grid-template-columns:340px minmax(0,1fr)}}
@media(max-width:1050px){.workspace{grid-template-columns:minmax(0,1fr) 290px;gap:16px}.stage{padding:22px 20px}.stage-metrics p strong{font-size:32px}.tank-wrap{display:none}.receipt-panel{padding:22px 20px}.toolbar{gap:20px}.attack-grid{grid-template-columns:repeat(2,1fr)}.below-grid{grid-template-columns:260px 1fr;gap:26px}.stat{padding:20px}.stat strong{font-size:28px}.flow{grid-template-columns:1fr}.flow-left{position:static}}
@media(max-width:860px){header{height:auto;flex-wrap:wrap;padding:14px 18px;gap:12px}nav{order:3;width:100%;overflow-x:auto}.nav{font-size:13px;padding:7px 10px}}
@media(max-width:760px){main{padding:0 16px}.hero{padding:36px 0 28px}.hero h1{font-size:34px}.intro{font-size:16px}.gates,.steps-plain{grid-template-columns:1fr}.contract-ask{flex-direction:column;align-items:stretch}.toolbar{flex-wrap:wrap;gap:16px;padding:16px}.field{min-width:calc(50% - 10px);flex:1}.shock-field{max-width:100%;order:3}.toolbar .secondary{order:4}.workspace{grid-template-columns:1fr}.stage{padding:20px 16px}.stage-head{gap:8px;flex-wrap:wrap}.stage-metrics{padding:20px 0 16px}.tank-wrap{display:block;max-width:95px}.stage-metrics p strong{font-size:28px}.receipt-panel h2 br{display:none}.below-grid{grid-template-columns:1fr;gap:20px;margin-top:28px}.explainer h3 br{display:none}.explainer p{max-width:100%}.section-heading{align-items:flex-start;flex-direction:column;gap:10px}.stat-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.evidence-grid{grid-template-columns:1fr}.paper{padding:20px}.boundary{grid-template-columns:100px 1fr;gap:12px}.attack-grid{grid-template-columns:1fr;gap:12px}.trace li{grid-template-columns:26px 1fr;gap:10px}.trace code{grid-column:2}.source-strip a{display:block}.kpis{grid-template-columns:1fr}.kpi{border-right:0;border-bottom:1px solid var(--line)}.kpi:last-child{border-bottom:0}footer{padding:22px 16px 32px;flex-wrap:wrap}.table-paper .chart-label{align-items:flex-start;flex-direction:column}#hydraulics .toolbar .secondary{margin:0;flex:1}#hydraulics .stat strong{font-size:23px}}
@media(max-width:520px){.chart text{font-size:19px}#forecast-chart text{font-size:14px}.stage-metrics .tank-wrap{max-width:75px}.hero h1{font-size:34px}}

/* Polish layer: editorial type, framed product window and motion */
:root{--radius:10px;--serif:"Iowan Old Style","Charter","Georgia",serif;--ease:cubic-bezier(.2,.7,.2,1)}
.brand{font-weight:600}
.hero{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:48px;max-width:none;padding:64px 0 44px}
.hero h1{font-size:clamp(40px,4.8vw,66px);font-weight:450;letter-spacing:-.045em;line-height:1.02;max-width:760px}
.intro{font-size:19px;color:var(--muted);max-width:560px;margin-top:20px}
.hero-note{margin-top:22px}
.hero-stats{display:grid;grid-template-columns:repeat(3,auto);margin:0 0 4px;border-left:1px solid var(--line-2)}
.hero-stats div{padding:2px 28px;border-right:1px solid var(--line-2)}
.hero-stats dt{font:12px/1.4 var(--mono);color:var(--muted);white-space:nowrap}
.hero-stats dd{margin:10px 0 0;font-size:46px;font-weight:400;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.hero-stats small{font-size:22px;color:var(--faint);letter-spacing:-.02em;margin-left:2px}
.app-frame{border:1px solid var(--line-2);border-radius:14px;background:#fafaf7;box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 40px 80px -40px rgba(15,28,33,.22),0 2px 6px rgba(15,28,33,.04);overflow:clip}
.app-bar{height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line);background:var(--surface);font-size:13.5px;font-weight:550}
.mono{font:12px var(--mono);color:var(--muted);font-weight:400}
.app-frame .flow{padding:22px}
.app-frame .paper{border-color:var(--line)}
.step-title{font-weight:560}
.num{width:22px;height:22px;font:600 11.5px var(--mono);background:var(--accent)}
.plan-card{transition:border-color .2s,box-shadow .2s,background .2s,transform .2s var(--ease)}
.plan-card:hover{transform:translateY(-1px)}
.plan-card.active{background:#f2f7f4}
.button{transition:background .2s,transform .12s,box-shadow .2s}
.button:active:not(:disabled){transform:scale(.98)}
.verdict-line{font-family:var(--serif);font-weight:500;font-size:27px!important;letter-spacing:-.01em;line-height:1.25!important}
.decision h3{font-weight:600}
.kpi strong{font-weight:500;letter-spacing:-.035em}
.boundary-note{margin-top:16px}
#external-preview:not(:empty):not(:has(*)),#external-result:not(:empty):not(:has(*)){color:var(--muted);background:linear-gradient(90deg,var(--muted) 0%,var(--faint) 40%,var(--muted) 80%) 0 0/200% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{0%{opacity:0;transform:scale(.4)}70%{transform:scale(1.08)}100%{opacity:1;transform:scale(1)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.7)}}
@keyframes shimmer{to{background-position:-200% 0}}
@media(prefers-reduced-motion:no-preference){
.reveal{animation:rise .8s var(--ease) both}
.hero-copy .reveal:nth-child(2){animation-delay:.08s}
.hero-copy .reveal:nth-child(3){animation-delay:.16s}
.hero-stats.reveal{animation-delay:.24s}
.app-frame.reveal{animation-delay:.34s}
.view:not([hidden]){animation:rise .5s var(--ease) both}
#external.view:not([hidden]){animation:none}
#external-preview:not(:empty):not(:has(*)),#external-result:not(:empty):not(:has(*)){animation:shimmer 1.4s linear infinite}
.animate .verdict{animation:rise .5s var(--ease) both}
.animate .kpis{animation:rise .5s .08s var(--ease) both}
.animate .lc-line{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.2s .2s cubic-bezier(.45,0,.2,1) forwards}
.animate .lc-area{animation:fade .7s .8s both}
.animate .lc-debt{stroke-dasharray:1;stroke-dashoffset:1;animation:draw .45s 1.35s ease-out forwards}
.animate .lc-debt-label{animation:fade .4s 1.6s both}
.animate .lc-end{transform-box:fill-box;transform-origin:center;animation:pop .45s 1.3s both}
.animate .lc-end.bad{animation:pop .45s 1.3s both,pulse 1.2s 1.9s 2 ease-in-out}
.animate .chart-key{animation:fade .5s 1.2s both}
.animate .gates li{animation:rise .45s var(--ease) both}
.animate .gates li:nth-child(1){animation-delay:1.45s}
.animate .gates li:nth-child(2){animation-delay:1.6s}
.animate .gates li:nth-child(3){animation-delay:1.75s}
.animate .tech{animation:fade .4s 1.9s both}
.animate .steps-plain li{animation:rise .4s var(--ease) both}
.animate .steps-plain li:nth-child(1){animation-delay:.05s}
.animate .steps-plain li:nth-child(2){animation-delay:.45s}
.animate .steps-plain li:nth-child(3){animation-delay:.85s}
.animate .decision{animation:rise .5s 1.2s var(--ease) both}
.animate .decision-icon{animation:pop .5s 1.35s both}
.animate .download,.animate>.tech{animation:fade .4s 1.6s both}
}
@media(max-width:1050px){.hero{grid-template-columns:1fr;gap:32px}.hero-stats{justify-self:start}}
@media(max-width:760px){.hero-stats div{padding:2px 16px}.hero-stats dd{font-size:34px}.app-frame .flow{padding:12px}.verdict-line{font-size:22px!important}}

/* Stage layer: dark water hero, overlapping product window */
header{background:rgba(6,24,28,.82);border-bottom-color:rgba(255,255,255,.08);color:#fff}
.brand{color:#fff}.brand-light{color:rgba(255,255,255,.55)}
nav{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.09)}
.nav{color:rgba(255,255,255,.62)}.nav:hover{color:#fff}
.nav.active{background:rgba(255,255,255,.12);color:#fff;box-shadow:none}
.hero{position:relative;isolation:isolate;display:flex;flex-direction:column;align-items:center;text-align:center;width:100vw;max-width:none;margin:0 0 0 calc(50% - 50vw);padding:104px 24px 196px;background:#06181c;color:#fff;overflow:hidden}
.hero-glow{position:absolute;inset:0;z-index:-1;background:radial-gradient(55% 70% at 50% -10%,rgba(56,178,152,.38),transparent 70%),radial-gradient(35% 45% at 88% 35%,rgba(70,130,200,.22),transparent 70%),radial-gradient(30% 40% at 10% 60%,rgba(40,120,110,.18),transparent 70%)}
.hero-copy{display:flex;flex-direction:column;align-items:center}
.hero h1{max-width:900px;font-size:clamp(44px,5.4vw,76px);font-weight:450;letter-spacing:-.045em;line-height:1.0;background:linear-gradient(180deg,#fff 35%,rgba(255,255,255,.72));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .intro{color:rgba(255,255,255,.66);font-size:19px;max-width:580px;margin:22px auto 0}
.hero-actions{display:flex;gap:12px;justify-content:center;margin-top:34px}
.cta{background:#e9f7f1;color:#06181c;padding:13px 22px;font-size:15px;border-radius:999px;box-shadow:0 0 0 1px rgba(255,255,255,.2),0 10px 30px -10px rgba(120,230,200,.45)}
.cta:hover{background:#fff}
.ghost{background:transparent;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.18);padding:13px 22px;font-size:15px;border-radius:999px}
.ghost:hover{background:rgba(255,255,255,.06)}
.hero-stats{margin:64px 0 0;border-left:1px solid rgba(255,255,255,.12)}
.hero-stats div{border-right:1px solid rgba(255,255,255,.12);padding:2px 36px}
.hero-stats dt{color:rgba(255,255,255,.5)}
.hero-stats dd{color:#fff}
.hero-stats small{color:rgba(255,255,255,.4)}
.hero-note{color:rgba(255,255,255,.42);font-size:13px;margin:28px 0 0}
.waves{position:absolute;left:0;bottom:-2px;width:100%;height:120px;z-index:-1;overflow:visible}
.waves path{transform-box:view-box}
.w1{fill:rgba(56,178,152,.10)}
.w2{fill:rgba(120,190,230,.07);transform:translateX(-360px)}
#external{position:relative;z-index:2;margin-top:-140px}
.app-frame{background:#fbfbf8;box-shadow:0 0 0 1px rgba(255,255,255,.06),0 50px 100px -40px rgba(4,20,24,.55),0 2px 8px rgba(15,28,33,.06)}
.hero+#notice:not([hidden]){margin-top:24px}
.hero~.view:not(#external)>:first-child{margin-top:48px}
@keyframes drift{to{transform:translateX(-1440px)}}
@keyframes drift2{from{transform:translateX(-360px)}to{transform:translateX(-1800px)}}
@media(prefers-reduced-motion:no-preference){.w1{animation:drift 26s linear infinite}.w2{animation:drift2 38s linear infinite}.app-frame.reveal{animation-delay:.4s}}
@media(max-width:760px){.hero{padding:64px 18px 150px}.hero-stats{margin-top:40px}.hero-stats div{padding:2px 14px}#external{margin-top:-110px}}
body{overflow-x:clip}
header{background:#06181c}
.hero{padding-top:84px;padding-bottom:184px}
.hero-stats{margin-top:52px}
.hero-note{margin-top:24px}
#external{scroll-margin-top:84px}

/* Contradiction hero */
.hero{display:grid;grid-template-columns:minmax(0,1fr) 440px;column-gap:64px;align-items:center;text-align:left;padding:88px max(24px,calc((100vw - 1272px)/2)) 188px}
.hero-copy{align-items:flex-start}
.hero h1{font-size:clamp(40px,4.6vw,68px);line-height:1.02;max-width:none;background:none;-webkit-text-fill-color:#fff;color:#fff}
.hero h1 span{display:block;color:rgba(255,255,255,.42);-webkit-text-fill-color:rgba(255,255,255,.42)}
.hero .intro{margin:22px 0 0;max-width:560px}
.hero-actions{justify-content:flex-start}
.hero-stats{margin:48px 0 0}
.hero-stats div:first-child{padding-left:0}
.hero-stats{border-left:0}
.hero-note{grid-column:1/-1;margin-top:32px}
.compare{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:26px 26px 22px;backdrop-filter:blur(8px);box-shadow:0 30px 80px -30px rgba(0,0,0,.6)}
.compare-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:22px}
.compare-head strong{font-size:16px;font-weight:550}
.compare-head span{font:12px var(--mono);color:rgba(255,255,255,.45)}
.compare-row{padding:16px 0;border-top:1px solid rgba(255,255,255,.08)}
.compare-label{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:14px;color:rgba(255,255,255,.7)}
.compare-label b{font-size:21px;font-weight:550;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.compare-label .good{color:#7fe3c4}
.compare-label .bad{color:#ff8f74}
.compare .bar{height:10px;border-radius:99px;background:rgba(255,255,255,.08);margin:12px 0 8px;overflow:hidden;position:relative}
.compare .bar.tank{background:repeating-linear-gradient(135deg,rgba(255,143,116,.35) 0 4px,rgba(255,143,116,.08) 4px 8px)}
.compare .fill{display:block;height:100%;border-radius:99px}
.compare .fill.carbon{width:100%;background:linear-gradient(90deg,#3fc79f,#7fe3c4)}
.compare .fill.water{width:41.7%;background:linear-gradient(90deg,#4aa8d8,#8fd0f0)}
.compare-row p{margin:0;font-size:13px;color:rgba(255,255,255,.5)}
.compare-foot{display:flex;align-items:center;gap:10px;margin-top:8px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);font-size:14.5px;font-weight:550;color:#fff}
.compare-foot .x{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#c8452b;font-size:12px}
@keyframes grow{from{width:0}}
@keyframes drain{from{width:100%}}
@media(prefers-reduced-motion:no-preference){.compare.reveal{animation-delay:.3s}.compare .fill.carbon{animation:grow 1.1s .7s cubic-bezier(.3,.7,.2,1) both}.compare .fill.water{animation:drain 1.6s 1.1s cubic-bezier(.5,0,.2,1) both}.compare-foot{animation:fade .5s 2.6s both}.compare-foot .x{animation:pop .5s 2.7s both}}
@media(max-width:1100px){.hero{grid-template-columns:1fr;row-gap:40px}.compare{max-width:520px}}
.hero[hidden]~.view:not([hidden]){padding-top:44px}
.hero[hidden]~.view:not([hidden])>:first-child{margin-top:0}

/* Results */
.results-card{padding:36px}
.results-title{font-size:clamp(26px,2.8vw,38px);font-weight:500;letter-spacing:-.03em;line-height:1.12;margin:6px 0 12px;max-width:820px}
.results-lead{font-size:16px!important;max-width:760px;color:var(--ink-2)!important}
.policy-bars{display:grid;gap:14px;margin:28px 0 18px}
.pbar{display:grid;grid-template-columns:260px minmax(0,1fr) 110px;gap:18px;align-items:center}
.pbar-label{display:flex;flex-direction:column;gap:2px}
.pbar-label strong{font-size:15px;font-weight:600}
.pbar-label span{font-size:12.5px;color:var(--muted)}
.pbar-track{height:14px;border-radius:99px;background:var(--soft);overflow:hidden}
.pbar-track i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#2e8f73,#4fb896)}
.pbar.bad .pbar-track{background:repeating-linear-gradient(135deg,var(--bad-bg) 0 5px,#fff 5px 10px)}
.pbar.bad .pbar-track i{background:linear-gradient(90deg,#d0705a,#b3361e)}
.pbar>b{font-size:22px;font-weight:550;letter-spacing:-.02em;font-variant-numeric:tabular-nums;text-align:right}
.pbar.bad>b{color:var(--bad)}
.pbar>b small{font-size:12px;font-weight:500;display:block;color:var(--bad)}
.results-sub{font-size:17px!important;margin:26px 0 0!important}
@media(prefers-reduced-motion:no-preference){.view:not([hidden]) .pbar-track i{animation:grow 1s .2s cubic-bezier(.3,.7,.2,1) both}}
@media(max-width:760px){.pbar{grid-template-columns:1fr auto}.pbar-track{grid-column:1/-1;order:3}.results-card{padding:22px}}
.hero-stats{grid-template-columns:repeat(4,auto)}
.hero-stats dt{white-space:normal;max-width:150px}
.hero-stats dt{max-width:190px}
.testnet{margin:0 0 16px!important;padding:12px 14px;border:1px solid var(--line);border-radius:9px;background:#f4f8fb;font-size:13.5px!important;color:var(--ink-2)!important}
.testnet a{color:var(--accent);font-weight:550}
#attacks .section-heading h2{font-size:clamp(28px,3vw,40px);font-weight:500}
#attack-output{padding:26px}
#attack-output>h3{font-size:18px;color:var(--muted);font-weight:500}
.attack-card{position:relative;overflow:hidden}
.attack-card::after{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:var(--bad);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.attack-card:hover::after{transform:scaleX(1)}
.limits-link{margin-top:18px;color:rgba(255,255,255,.62);text-decoration-color:rgba(255,255,255,.25);font-weight:500}
.limits-link:hover{color:#fff}
.limits{margin:18px 0 10px;padding-left:18px;display:grid;gap:10px;font-size:15px;line-height:1.55;color:var(--ink-2)}
#limits{max-width:560px}
.result-actions{display:flex;gap:10px;flex-wrap:wrap}
.result-actions .button{width:auto}
@media(prefers-reduced-motion:no-preference){.animate .result-actions{animation:fade .4s 1.6s both}}
.lead-line{font-size:15px!important;color:var(--ink-2)!important;margin:6px 0 10px!important}
details.more{margin:6px 0 12px}
details.more summary{cursor:pointer;font-size:13px;font-weight:550;color:var(--muted)}
details.more[open] summary{margin-bottom:6px}
.stage details.more summary{color:#9fb7b9}
.plan-card.ai strong{display:flex;align-items:center;gap:8px}
.tag{font:600 10.5px var(--mono);letter-spacing:.04em;color:#0b5c78;background:#e3f2f8;border:1px solid #c7e3ee;border-radius:5px;padding:1px 6px}
.plan-card.ai.active{background:#f1f8fb;border-color:#2a7fa0;box-shadow:0 0 0 1px #2a7fa0}
.plan-card:disabled{opacity:.5;cursor:wait}
.csv-template{display:block;margin-top:8px;font-size:13px}
.table-more summary{font-size:14px;color:var(--accent)}

/* Fewer scrolls: compact hero, contract beside the chart, results at a glance */
.hero{padding-top:56px;padding-bottom:150px}
.hero h1{font-size:clamp(38px,4vw,58px)}
.hero .intro{font-size:17.5px;margin-top:16px}
.hero-actions{margin-top:24px}
.hero-stats{margin-top:32px}
.hero-stats dd{font-size:38px;margin-top:6px}
.hero-note{margin-top:18px}
.limits-link{margin-top:12px}
.compare{padding:22px 22px 18px}
.compare-head{margin-bottom:14px}
.compare-row{padding:12px 0}
#external{margin-top:-118px}
.flow-left{position:static}
.contract-card .step-copy{margin:-6px 0 14px!important}
.contract-card .button{width:100%}
.contract-card #external-result:not(:empty){margin-top:16px;padding-top:16px}
.contract-card .decision{padding:14px;gap:12px}
.contract-card .decision-icon{width:34px;height:34px;font-size:17px}
.contract-card .decision h3{font-size:20px!important}
.contract-card .decision p{font-size:14px!important}
.contract-card .steps-plain{grid-template-columns:1fr;gap:6px;margin:12px 0}
.contract-card .steps-plain li{padding:8px 10px}
.contract-card .result-actions .button{flex:1;width:auto}
.contract-card .testnet{font-size:12.5px!important}
.glance{margin:22px 0 0;padding:26px 28px;background:var(--surface);border:1px solid var(--line);border-radius:14px}
.glance-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}
.glance h2{font-size:clamp(22px,2.2vw,30px);font-weight:500;letter-spacing:-.025em;line-height:1.15;margin:4px 0 0;max-width:780px}
.glance .eyebrow{margin:0}
.glance .policy-bars{margin:20px 0 0}
@media(max-width:760px){.glance-head{flex-direction:column;align-items:flex-start}.glance{padding:20px}}
.flow{grid-template-columns:270px minmax(0,1fr) 320px}
.flow-contract{min-width:0;position:sticky;top:84px}
.flow-left .step{padding:20px}
.plan-card{padding:12px 14px}
.plan-card span{font-size:13px}
#external-preview{padding:22px}
.verdict-line{font-size:24px!important}
.hero{padding-bottom:128px}
#external{margin-top:-100px}
@media(max-width:1250px){.flow{grid-template-columns:300px minmax(0,1fr)}.flow-contract{grid-column:1/-1;position:static}}
@media(max-width:1050px){.flow{grid-template-columns:1fr}}
/* While a replay recalculates, keep the old chart in place but dimmed and inert (no flash). */
.workspace[hidden].stale{display:grid!important;opacity:.35;pointer-events:none;filter:saturate(.6)}
.below-grid[hidden].stale{display:grid!important;opacity:.35;pointer-events:none}
.workspace,.below-grid{transition:opacity .25s,filter .25s}
.recorded-note{margin:0 0 10px!important;font-size:12.5px!important;color:#0b5c78!important;background:#e3f2f8;border:1px solid #c7e3ee;border-radius:7px;padding:6px 10px}
.rule-line{margin:0;padding:12px 22px;border-bottom:1px solid var(--line);background:#f4f7f5;font-size:14px;color:var(--ink-2)}
.rule-line b{color:var(--ink)}
.rule-line span{color:var(--muted);margin-left:4px}
.nav-sep{align-self:center;font:11.5px var(--mono);color:rgba(255,255,255,.38);padding:0 6px 0 12px;border-left:1px solid rgba(255,255,255,.12);margin-left:4px}
.nav-sep~.nav{font-size:12.5px;color:rgba(255,255,255,.5)}
.nav-sep~.nav.active{color:#fff}
.next-step{display:block;width:100%;margin:2px 0 12px;padding:10px 12px;border:1px dashed var(--accent);border-radius:9px;background:#f2f7f4;color:var(--accent);font-weight:600;font-size:14px;text-align:left}
.next-step:hover{background:#e7f1ec}
.next-done{margin:2px 0 12px!important;font-size:13px!important;color:var(--muted)!important}
@media(max-width:860px){.nav-sep{display:none}}
.plan-card strong{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tag.start{color:var(--bad);background:var(--bad-bg);border-color:#f1d0c6}

/* Explore more: one collapsed menu instead of a row of tabs */
.nav-sep{display:none}
.explore{position:relative}
.explore-toggle{background:none;border:0;border-radius:7px;font-size:13.5px;font-weight:500;padding:7px 13px;color:rgba(255,255,255,.62);display:flex;align-items:center;gap:8px}
.explore-toggle:hover,.explore-toggle[aria-expanded="true"]{color:#fff}
.explore-toggle.active{background:rgba(255,255,255,.12);color:#fff}
.caret{width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .2s}
.explore-toggle[aria-expanded="true"] .caret{transform:translateY(1px) rotate(-135deg)}
.explore-menu{position:absolute;right:0;top:calc(100% + 10px);width:300px;padding:6px;background:#0d2329;border:1px solid rgba(255,255,255,.12);border-radius:12px;box-shadow:0 24px 60px -20px rgba(0,0,0,.6);display:grid;gap:2px;z-index:30}
.explore-menu .nav{display:grid;gap:2px;text-align:left;padding:10px 12px;border-radius:8px;white-space:normal;color:#fff;font-size:14px}
.explore-menu .nav b{font-weight:600}
.explore-menu .nav small{color:rgba(255,255,255,.55);font-size:12.5px}
.explore-menu .nav:hover,.explore-menu .nav:focus-visible{background:rgba(255,255,255,.08);outline:none}
.explore-menu .nav.active{background:rgba(255,255,255,.12)}
.back-link{display:inline-flex;margin:0 0 18px;background:none;border:0;padding:0;font-size:14px;font-weight:600;color:var(--accent)}
.back-link:hover{text-decoration:underline;text-underline-offset:4px}
.ctx-link{display:block;margin:8px 2px 0;font-size:13px}
@media(prefers-reduced-motion:no-preference){.explore-menu:not([hidden]){animation:fade .15s both}}
@media(max-width:860px){.explore-menu{right:auto;left:0;width:min(300px,calc(100vw - 32px))}}
@media(max-width:860px){nav{overflow:visible;width:auto}}
@media(max-width:860px){.explore{position:static}.explore-menu{top:100%;left:16px;right:16px;width:auto;margin-top:6px}}
@media(max-width:760px){.hero-stats{grid-template-columns:1fr 1fr;row-gap:18px;margin-top:28px}.hero-stats div{border-right:0;padding:0 12px 0 0}.hero-stats dt{max-width:none}}

/* Guided walkthrough */
dialog#tour{position:fixed;inset:auto 24px 24px auto;margin:0;width:min(370px,calc(100vw - 32px));padding:20px 22px 18px;background:#0d2329;color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:16px;box-shadow:0 30px 80px -20px rgba(4,20,24,.7);z-index:50}
.tour-top{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.tour-count{font:12px var(--mono);color:rgba(255,255,255,.55)}
.tour-dots{display:flex;gap:5px;flex:1}
.tour-dots i{width:18px;height:3px;border-radius:2px;background:rgba(255,255,255,.18)}
.tour-dots i.done{background:rgba(127,227,196,.5)}
.tour-dots i.on{background:#7fe3c4}
.tour-close{background:none;border:0;color:rgba(255,255,255,.6);font-size:22px;line-height:1;padding:0 2px}
.tour-close:hover{color:#fff}
dialog#tour h2{font-size:21px;font-weight:600;letter-spacing:-.02em;margin:0 0 6px;color:#fff}
dialog#tour p{font-size:14.5px!important;line-height:1.55;color:rgba(255,255,255,.75)!important;margin:0 0 16px}
.tour-actions{display:flex;justify-content:flex-end;gap:8px}
.tour-actions .button{width:auto;margin:0;padding:10px 18px}
dialog#tour .primary{background:#e9f7f1;color:#06181c}
dialog#tour .primary:disabled{opacity:.55}
.tour-back{background:transparent;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.2)}
.tour-focus{outline:3px solid #2fbf95!important;outline-offset:6px;border-radius:12px;transition:outline-offset .25s}
@media(prefers-reduced-motion:no-preference){dialog#tour[open]{animation:rise .35s var(--ease) both}.tour-focus{animation:tourpulse 1.6s ease-in-out 2}}
@keyframes tourpulse{50%{outline-offset:10px}}
@media(max-width:760px){dialog#tour{inset:auto 16px 16px 16px;width:auto}}
dialog#tour{inset:auto auto 24px 24px}
.tour-focus{scroll-margin-top:96px}
@media(max-width:760px){dialog#tour{inset:auto 16px 16px 16px}}

/* Calmer hero and a clean edge into the page */
.hero{padding:72px max(24px,calc((100vw - 1272px)/2)) 128px;column-gap:72px}
.hero h1{font-size:clamp(40px,4.4vw,64px)}
.hero .intro{font-size:18px;max-width:520px;margin-top:20px}
.hero-actions{margin-top:30px}
.hero-glow{background:radial-gradient(60% 80% at 30% -10%,rgba(56,178,152,.30),transparent 70%),radial-gradient(40% 60% at 90% 20%,rgba(70,130,200,.16),transparent 70%)}
.waves{display:none}
#external{margin-top:-72px}
.app-frame{box-shadow:0 1px 2px rgba(15,28,33,.06),0 24px 48px -28px rgba(4,20,24,.35)}
footer{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
footer .brand-text{margin-right:auto}
.footer-note{font-size:13px;color:var(--muted)}
.footer-link{font-size:13px}
@media(max-width:1100px){.hero{grid-template-columns:minmax(0,1fr) 360px;column-gap:40px}.compare{max-width:none}}
@media(max-width:900px){.hero{grid-template-columns:1fr;row-gap:36px;padding-bottom:110px}.compare{max-width:520px}}
.cta{box-shadow:none}
footer .footer-note{margin-right:auto}
/* No overlap: the hero ends, then the app window starts on the page */
.hero{padding-bottom:88px}
#external{margin-top:40px}
@media(max-width:900px){.hero{padding-bottom:64px}#external{margin-top:28px}}

/* Friendlier secondary views */
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px}
#external .policy{grid-template-columns:repeat(2,1fr);margin-top:14px}
#attack-output:empty{display:none}
details.hydro-boundary{border-left:3px solid var(--accent);padding:10px 16px;background:var(--surface);border-radius:0 10px 10px 0;margin-bottom:20px;font-size:13.5px;color:var(--muted)}
details.hydro-boundary summary{margin-bottom:0}
details.hydro-boundary[open] summary{margin-bottom:6px}
#operation .section-heading{margin-bottom:22px}
#external .policy{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin:14px 0 0;background:var(--line);border:1px solid var(--line);border-radius:9px;overflow:hidden}
#external .policy div{padding:8px 10px;background:var(--surface)}
#external .policy dt{font-size:11.5px;color:var(--muted)}
#external .policy dd{margin:2px 0 0;font-size:13px;font-weight:600;font-variant-numeric:tabular-nums}
.glance-note{margin:16px 0 0!important}
.usecase{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.usecase p{margin:0;font-size:14px;line-height:1.55;color:var(--ink-2)}
.verify-line{margin:10px 0 0!important;font-size:12.5px!important;color:var(--muted)!important}
.verify-line code{font-size:12px;background:var(--soft);padding:2px 6px;border-radius:5px;color:var(--ink-2)}
@media(max-width:760px){.usecase{grid-template-columns:1fr}}
/* The hero fills the first screen, so nothing below peeks in half-cut. */
.hero{min-height:calc(100svh - 68px);align-content:center;padding-top:48px;padding-bottom:48px}
#external{margin-top:0;padding-top:24px}
@media(max-width:900px){.hero{min-height:auto;padding-bottom:56px}#external{padding-top:20px}}
#external{scroll-margin-top:68px}
/* Report and evidence downloads: stacked, one line each, quieter than the main action */
.contract-card .result-actions{flex-direction:column;gap:8px}
.contract-card .result-actions .button{width:100%;flex:none;padding:10px 14px;font-size:14px;white-space:nowrap;justify-content:center}
.contract-card .result-actions .button::before{content:"";width:14px;height:14px;margin-right:2px;background:currentColor;opacity:.75;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 1v9M4 6l4 4 4-4M2 14h12' stroke='black' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 1v9M4 6l4 4 4-4M2 14h12' stroke='black' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
/* Technical details and the verify command inside the narrow contract column */
.contract-card .hashes{grid-template-columns:1fr;gap:0}
.contract-card .hashes dt{margin-top:10px;font-size:12px}
.contract-card .hashes dd{font-size:11.5px;line-height:1.5;color:var(--ink-2);overflow-wrap:anywhere;word-break:normal}
.contract-card .tech p{font-size:13px!important;line-height:1.55}
.verify-line code{display:block;margin-top:6px;padding:8px 10px;white-space:nowrap;overflow-x:auto}
/* Calmer checker: two numbers, one "Upload or edit" option, and the cheating link only once there is a result. */
.kpis{grid-template-columns:repeat(2,1fr)}
.flow-left .raw{margin-top:14px}
.flow-left .raw>summary{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(20,82,74,.35)}
.flow-left .raw #external-preview-button{width:100%;margin-top:12px}
.contract-card .ctx-link{display:none}
.contract-card:has(#external-result:not(:empty)) .ctx-link{display:block}
/* Compact contract result: a plain step list, link-style downloads and a wrapped verify command. */
.contract-card .decision{padding:12px 14px}
.contract-card .decision h3{font-size:18px!important}
.contract-card .decision p{font-size:13.5px!important;line-height:1.45}
.contract-card .revert{margin-top:6px;font-size:11.5px;padding:2px 6px}
.contract-card .steps-plain{gap:0;margin:10px 0 12px}
.contract-card .steps-plain li{grid-template-columns:18px 1fr;gap:0 9px;padding:6px 2px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:none;font-size:13px;line-height:1.35}
.contract-card .steps-plain li:last-child{border-bottom:0}
.contract-card .steps-plain small{grid-column:2;font-size:11.5px}
.contract-card .steps-plain b{grid-row:span 2}
.contract-card .steps-plain .no{background:none;color:var(--bad)}
.contract-card .next-step{padding:8px 10px;font-size:13.5px;margin-bottom:10px}
.contract-card .result-actions{flex-direction:row;flex-wrap:wrap;gap:6px 18px}
.contract-card .result-actions .button{width:auto;flex:none;padding:0;border:0;background:none;box-shadow:none;color:var(--accent);font-size:13.5px;font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(20,82,74,.35)}
.contract-card .result-actions .button:hover{background:none;color:var(--accent-2)}
.verify-line{margin-top:8px!important}
.verify-line code{white-space:normal;overflow-wrap:normal;overflow-x:visible;padding:6px 8px}
/* Forecast replay: stress-test controls folded away; the side panel drops the duplicated kg pair. */
.toolbar .stress{flex:1;align-self:center}
.toolbar .stress>summary{cursor:pointer;font-size:13.5px;font-weight:600;color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(20,82,74,.35)}
.toolbar .stress-fields{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;margin-top:12px}
.toolbar .stress-fields .shock-field{min-width:240px}
.receipt-panel .impact-pair{display:none}
/* "How it's used": three roles in order, and the Method page. */
.workflow{margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.workflow .eyebrow{margin:0 0 10px}
.workflow-steps{list-style:none;counter-reset:wf;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.workflow-steps li{counter-increment:wf;display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:14px;color:var(--ink-2);line-height:1.5}
.workflow-steps b{color:var(--ink);font-size:15px}
.workflow-steps b::before{content:counter(wf);display:inline-grid;place-items:center;width:20px;height:20px;margin-right:8px;border-radius:50%;background:var(--accent);color:#fff;font-size:11.5px}
.workflow-foot{margin:12px 0 0;font-size:13.5px;color:var(--muted)}
.workflow-foot .text-button{margin-left:6px}
.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.method-card{padding:22px 24px}
.method-card h3{margin:0 0 8px;font-size:19px}
.method-card p,.method-card li{font-size:14.5px;line-height:1.55;color:var(--ink-2)}
.method-card ul,.method-card ol{margin:8px 0 0;padding-left:20px}
.method-card li{margin:4px 0}
.method-card code{font-size:12.5px;background:var(--soft);padding:1px 5px;border-radius:4px}
.method-limits{background:var(--soft)}
@media(max-width:760px){.workflow-steps,.method-grid{grid-template-columns:1fr}}
/* Contract result, one more step simpler: one chain line, one line of links, one verify line. */
.chain-line{margin:10px 0 12px;font-size:13px;line-height:1.6;color:var(--ink-2)}
.chain-line .chain-label{color:var(--muted)}
.chain-line .ok{color:var(--good);font-weight:600}
.chain-line .no{color:var(--bad);font-weight:600}
.chain-line small{color:var(--faint);font-size:11.5px;white-space:nowrap}
@media(prefers-reduced-motion:no-preference){.animate .chain-line{animation:fade .5s .3s both}}
.contract-card .result-actions{flex-direction:row;flex-wrap:wrap;gap:4px 16px}
.contract-card .result-actions .button::before{display:none}
.contract-card .verify-line code{display:block;margin-top:4px;padding:5px 8px;font-size:11.5px;white-space:normal}
/* Shown only while the AI plan is selected: jump to the Forecast replay (opens on 4 February). */
.flow-left .ai-link{display:none;margin:12px 2px 0;font-size:13.5px}
.flow-left:has(.plan-card.ai.active) .ai-link{display:block}