@font-face{font-family:Satoshi;src:url('./satoshi-light.woff2') format('woff2');font-weight:300 449;font-display:swap}
@font-face{font-family:Satoshi;src:url('./satoshi-medium.woff2') format('woff2');font-weight:450 900;font-display:swap}

:root{
  --bg:#0d0e10;
  --bg-deep:#070809;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.11);
  --line-strong:rgba(255,255,255,.19);
  --ink:#ececed;
  --ink-2:#b9bbc0;
  --muted:#7d8087;
  --gold:#c9a23f;
  --gold-2:#e0b958;
  --hot:#d4694a;
  --cool:#5aa88f;
  --radius:12px;
  color-scheme:dark;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);overflow-x:hidden;font:400 16px/1.55 Satoshi,ui-sans-serif,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.drawer-lock{overflow:hidden}
img{max-width:100%}
button,input,select{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
a{color:var(--gold-2)}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.08;letter-spacing:-.018em}
h1{font-size:clamp(20px,2.2vw,30px);font-weight:600;margin-bottom:3px}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;margin-bottom:14px}
h3{font-size:17px;font-weight:600;margin-bottom:8px}
p{color:var(--ink-2);margin-bottom:13px}
.mono{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.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}

:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px}

.viewer{position:relative;width:100%;min-height:100svh;background:radial-gradient(85% 55% at 50% 34%,rgba(255,255,255,.035),transparent 70%),var(--bg);display:flex;flex-direction:column;padding:0 18px 14px}
.top-bar{position:relative;z-index:20;display:flex;align-items:center;gap:18px;width:100%;max-width:1440px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 2px 14px}
.logo{width:auto;height:20px;opacity:.93}
.heading{min-width:0;border-left:1px solid var(--line);padding-left:18px}
.eyebrow{margin:0 0 3px;color:var(--gold-2);font-size:9.5px;font-weight:600;letter-spacing:.19em;text-transform:uppercase}
.heading h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.heading .sub{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase}
.spacer{flex:1}
.top-actions{display:flex;align-items:center;gap:8px}
.nav-btn,.contact-btn,.ghost-btn,.primary-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border:1px solid var(--line);border-radius:9px;padding:8px 12px;background:rgba(255,255,255,.035);color:var(--ink-2);text-decoration:none;font-size:11px;font-weight:500;letter-spacing:.055em;cursor:pointer;transition:color .18s,border-color .18s,background .18s,transform .18s}
.nav-btn:hover,.contact-btn:hover,.ghost-btn:hover{color:var(--gold-2);border-color:rgba(201,162,63,.55);background:rgba(201,162,63,.06)}
.nav-btn:active,.ghost-btn:active,.primary-btn:active{transform:translateY(1px)}
.primary-btn{background:var(--gold);border-color:transparent;color:#15130d;font-weight:700}
.primary-btn:hover{background:var(--gold-2);color:#15130d}
.page-count{min-width:55px;text-align:center;color:var(--muted);font-size:10.5px;letter-spacing:.09em}

.stage,.overview-frame{position:relative;width:100%;max-width:1440px;margin:0 auto;aspect-ratio:1920/1198;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#000;box-shadow:0 24px 80px rgba(0,0,0,.52)}
.stage{touch-action:pan-y;cursor:col-resize}
.stage picture,.stage picture img,.overview-frame>picture,.overview-frame>picture>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block;user-select:none;-webkit-user-drag:none;pointer-events:none}
.compare-layer{position:absolute;inset:0;clip-path:inset(0 50% 0 0);will-change:clip-path}
.stage.anim .compare-layer,.stage.anim .compare-handle{transition:clip-path .62s cubic-bezier(.22,1,.36,1),left .62s cubic-bezier(.22,1,.36,1)}
.stage-scrim{position:absolute;inset:0;z-index:2;pointer-events:none;background:radial-gradient(120% 94% at 50% 44%,transparent 59%,rgba(0,0,0,.36) 100%),linear-gradient(180deg,rgba(0,0,0,.34),transparent 18%,transparent 72%,rgba(0,0,0,.58))}
.compare-handle{position:absolute;z-index:6;top:0;bottom:0;left:50%;width:1px;transform:translateX(-.5px);background:linear-gradient(180deg,transparent,rgba(224,185,88,.88) 12%,rgba(224,185,88,.88) 88%,transparent);cursor:ew-resize;will-change:left}
.compare-handle::after{content:"";position:absolute;top:50%;left:50%;width:58px;height:58px;transform:translate(-50%,-50%);border-radius:50%;background:rgba(8,9,11,.56);border:1px solid rgba(224,185,88,.92);backdrop-filter:blur(12px);box-shadow:0 10px 30px rgba(0,0,0,.34);transition:transform .2s,background .2s}
.compare-handle::before{content:"";position:absolute;z-index:2;top:50%;left:50%;width:23px;height:10px;transform:translate(-50%,-50%);background:linear-gradient(90deg,var(--gold-2) 0 6px,transparent 6px 17px,var(--gold-2) 17px 23px);clip-path:polygon(0 50%,6px 0,6px 100%,17px 0,23px 50%,17px 100%)}
.compare-handle:hover::after{transform:translate(-50%,-50%) scale(1.08);background:rgba(201,162,63,.14)}
.compare-handle:focus-visible{outline:none}
.compare-handle:focus-visible::after{box-shadow:0 0 0 5px rgba(201,162,63,.28),0 10px 30px rgba(0,0,0,.34)}
.compare-label{position:absolute;z-index:7;top:50%;transform:translateY(-50%);max-width:230px;padding:9px 13px;border:1px solid var(--line-strong);border-radius:9px;background:rgba(8,9,11,.65);backdrop-filter:blur(12px);pointer-events:none;color:#fff;font-size:10.5px;font-weight:600;letter-spacing:.17em;text-transform:uppercase}
.compare-label.left{left:18px}
.compare-label.right{right:18px;text-align:right}
.compare-label span{display:block;margin-top:4px;color:rgba(255,255,255,.66);font-size:10px;font-weight:400;letter-spacing:.04em;text-transform:none}
.drag-hint{position:absolute;z-index:7;top:calc(50% + 45px);left:50%;transform:translateX(-50%);padding:6px 10px;border-radius:8px;background:rgba(8,9,11,.65);backdrop-filter:blur(10px);color:rgba(255,255,255,.88);font-size:10px;letter-spacing:.13em;text-transform:uppercase;pointer-events:none;transition:opacity .3s}
.stage.touched .drag-hint{opacity:0}
.hero-caption{position:absolute;z-index:7;bottom:14px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);padding:8px 14px;border:1px solid var(--line);border-radius:9px;background:rgba(8,9,11,.68);backdrop-filter:blur(12px);color:rgba(255,255,255,.75);font-size:11px;letter-spacing:.035em;text-align:center;white-space:nowrap;pointer-events:none}
.hero-caption b{color:#fff;font-weight:600}

.viewer-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:1440px;margin:14px auto 0}
.temperature-strip{display:flex;align-items:center;gap:6px;min-width:0;overflow-x:auto;scrollbar-width:none}
.temperature-strip::-webkit-scrollbar{display:none}
.temperature-strip .cap{flex:none;margin-right:3px;color:var(--muted);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase}
.temperature-strip button{flex:none;min-height:38px;padding:7px 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--ink-2);cursor:pointer;font-size:11px;font-weight:500;letter-spacing:.04em}
.temperature-strip button:hover{border-color:rgba(201,162,63,.48);color:#fff}
.temperature-strip button[aria-pressed="true"]{border-color:transparent;background:var(--gold);color:#15130d;font-weight:700;box-shadow:0 3px 14px rgba(201,162,63,.25)}
.details-cue{flex:none;display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);text-decoration:none;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase}
.details-cue::after{content:"";width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.details-cue:hover{color:var(--gold-2)}

.sheets{background:#050606;border-top:1px solid var(--line);padding:14px 0 0}
.viz-tabs{position:sticky;z-index:30;top:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:min(calc(100% - 24px),760px);margin:0 auto;padding:6px;gap:3px;border:1px solid var(--line-strong);border-radius:11px;background:rgba(18,19,21,.96);backdrop-filter:blur(16px);box-shadow:0 12px 35px rgba(0,0,0,.24)}
.viz-tabs button{min-width:0;min-height:46px;padding:10px 13px;border:0;border-radius:7px;background:transparent;color:#c8c9cc;cursor:pointer;font-size:13.5px;font-weight:600}
.viz-tabs button:hover{background:rgba(255,255,255,.07);color:#fff}
.viz-tabs button[aria-selected="true"]{background:var(--gold-2);color:#15130d;box-shadow:0 3px 13px rgba(201,162,63,.24)}
.pane{display:none;max-width:1160px;margin:0 auto;padding:38px 24px 66px}
.pane[data-on]{display:block}
.g2{display:grid;grid-template-columns:minmax(0,1fr);gap:26px}
.g2>*{min-width:0}
@media(min-width:860px){.g2{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:42px}}
.card{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.card+.card{margin-top:12px}
.cap2{margin-bottom:12px;color:var(--muted);font-size:10px;font-weight:600;letter-spacing:.15em;text-transform:uppercase}
.big{color:var(--gold-2);font-size:clamp(32px,4.8vw,46px);font-weight:600;letter-spacing:-.035em;line-height:1}
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:14px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--line)}
.metric{padding:14px;background:#111214}
.metric span{display:block;color:var(--muted);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase}
.metric b{display:block;margin-top:4px;color:var(--ink);font-size:19px;font-weight:600;font-variant-numeric:tabular-nums}
.metric.primary b{color:var(--gold-2)}
.metric.warn b{color:#e79a7e}
.note{margin-top:16px;padding-left:13px;border-left:1px solid var(--gold);color:var(--muted);font-size:13px}
.note.warn{border-left-color:var(--hot)}
.model-select{width:100%;min-height:48px;margin:4px 0 12px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#151619;color:var(--ink);font-size:15px}
.model-select option{background:#151619;color:var(--ink)}
.range-field{margin:17px 0;padding:14px;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.025)}
.range-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}
.range-head label{color:var(--ink-2);font-size:12.5px;font-weight:500}
.project-badge{padding:4px 7px;border:1px solid rgba(201,162,63,.28);border-radius:999px;color:var(--gold-2);font-size:9px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;white-space:nowrap}
.range-control{display:grid;grid-template-columns:minmax(0,1fr) 118px;align-items:center;gap:15px}
.range-control input[type="range"]{width:100%;height:30px;margin:0;appearance:none;background:transparent;cursor:pointer}
.range-control input[type="range"]::-webkit-slider-runnable-track{height:4px;border-radius:999px;background:linear-gradient(90deg,rgba(201,162,63,.85),rgba(255,255,255,.16))}
.range-control input[type="range"]::-webkit-slider-thumb{width:23px;height:23px;margin-top:-9.5px;appearance:none;border:3px solid #151619;border-radius:50%;background:var(--gold-2);box-shadow:0 0 0 1px rgba(224,185,88,.7),0 4px 12px rgba(0,0,0,.35)}
.range-control input[type="range"]::-moz-range-track{height:4px;border:0;border-radius:999px;background:rgba(255,255,255,.16)}
.range-control input[type="range"]::-moz-range-progress{height:4px;border-radius:999px;background:var(--gold)}
.range-control input[type="range"]::-moz-range-thumb{width:18px;height:18px;border:3px solid #151619;border-radius:50%;background:var(--gold-2);box-shadow:0 0 0 1px rgba(224,185,88,.7)}
.number-unit{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;min-height:44px;border:1px solid var(--line);border-radius:9px;background:#151619;overflow:hidden}
.number-unit input{min-width:0;width:100%;height:42px;padding:8px 4px 8px 10px;border:0;background:transparent;color:var(--ink);font-size:16px;font-variant-numeric:tabular-nums}
.number-unit span{padding:0 10px 0 5px;color:var(--muted);font-size:11px}
.reset-link{min-height:40px;padding:7px 0;border:0;background:transparent;color:var(--gold-2);cursor:pointer;font-size:11px;font-weight:600;letter-spacing:.06em}
.reset-link:hover{text-decoration:underline}
.compact-list{margin-top:10px}
.compact-list .scope-row{padding:9px 0}
.calculation-line{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:14px;padding:12px 0 0;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.calculation-line b{color:var(--gold-2);font-size:14px}
.rationale{margin-top:12px}
.answer-section,.method-section{margin-top:44px;padding-top:34px;border-top:1px solid var(--line)}
.answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.answer-grid details{border:1px solid var(--line);border-radius:10px;background:var(--panel);overflow:hidden}
.answer-grid summary{position:relative;min-height:52px;padding:15px 42px 15px 16px;color:var(--ink);cursor:pointer;font-size:13.5px;font-weight:600;list-style:none}
.answer-grid summary::-webkit-details-marker{display:none}
.answer-grid summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--gold-2);font-size:19px;font-weight:300}
.answer-grid details[open] summary::after{content:"−"}
.answer-grid details p{margin:0;padding:0 16px 16px;font-size:13px}
.benefit-stack{display:grid;gap:10px;margin:24px 0}
.benefit-stack>div{padding:15px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.benefit-stack b,.benefit-stack span{display:block}
.benefit-stack b{margin-bottom:4px;color:var(--ink);font-size:13px}
.benefit-stack span{color:var(--ink-2);font-size:13px}
.asset-card{margin-top:12px}
.impact-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:24px}
.impact-grid article{padding:16px;border:1px solid var(--line);border-radius:11px;background:linear-gradient(145deg,rgba(201,162,63,.06),rgba(255,255,255,.025))}
.impact-grid span{display:block;color:var(--gold-2);font-size:9px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.impact-grid b{display:block;margin-top:8px;color:var(--ink);font-size:22px;font-weight:600;font-variant-numeric:tabular-nums}
.impact-grid p{margin:4px 0 0;color:var(--muted);font-size:11px;line-height:1.35}
.business-grid{align-items:start}
.scenario{display:grid;gap:8px;margin:0 0 18px;padding:0;border:0}
.scenario legend{margin-bottom:8px;color:var(--ink-2);font-size:12.5px}
.scenario label{display:grid;grid-template-columns:18px minmax(0,1fr);align-items:start;gap:10px;min-height:60px;padding:12px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.025);cursor:pointer}
.scenario label:has(input:checked){border-color:rgba(201,162,63,.65);background:rgba(201,162,63,.08)}
.scenario input{margin-top:3px;accent-color:var(--gold)}
.scenario b,.scenario small{display:block}
.scenario b{color:var(--ink);font-size:13px}
.scenario small{margin-top:2px;color:var(--muted);font-size:11px}
.microcopy,.result-sub,.source-line{color:var(--muted);font-size:11.5px}
.result-sub{margin:8px 0 14px}
.method-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.method-grid>div{padding:17px;border:1px solid var(--line);border-radius:11px;background:var(--panel)}
.method-grid h3{font-size:15px}
.method-grid p{margin:0;font-size:13px}
.source-line{margin-top:16px}
.evidence-disclosure{margin-top:14px;border-top:1px solid var(--line)}
.evidence-disclosure summary{display:inline-flex;align-items:center;min-height:42px;color:var(--muted);cursor:pointer;font-size:11px;font-weight:600;letter-spacing:.06em}
.evidence-disclosure summary:hover{color:var(--gold-2)}
.evidence-links{display:flex;flex-wrap:wrap;gap:8px;padding:2px 0 8px}
.evidence-links a{padding:7px 9px;border:1px solid var(--line);border-radius:8px;color:var(--ink-2);font-size:11px;text-decoration:none}
.evidence-links a:hover{border-color:rgba(201,162,63,.5);color:var(--gold-2)}
.engineering-handoff{max-width:980px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:22px 24px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
.engineering-handoff b{display:block;margin-top:6px;font-size:20px}.engineering-handoff p{margin:5px 0 0;color:var(--muted)}
.engineering-handoff .primary-btn{flex:0 0 auto;min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;text-decoration:none}
.compact-calculator{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:54px 0 66px}
.compact-calc-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:22px}
.compact-calc-head>div{max-width:760px}.compact-calc-head h2{margin-bottom:9px}.compact-calc-head p{margin:0;font-size:15px}
.assumption-badge,.scenario-chip{display:inline-flex;align-items:center;min-height:30px;padding:5px 9px;border:1px solid rgba(201,162,63,.32);border-radius:999px;color:var(--gold-2);font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.compact-calc-grid{display:grid;grid-template-columns:minmax(310px,.78fr) minmax(0,1.22fr);gap:14px;align-items:start}
.compact-controls,.compact-results{height:100%;margin:0!important;background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.025))}
.compact-controls .range-field:first-child{margin-top:0}.compact-controls .model-select{margin-bottom:0}
.result-top{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.result-top .cap2{margin-bottom:8px}
.compact-impact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px}
.compact-impact-grid article{padding:13px;border:1px solid var(--line);border-radius:9px;background:rgba(255,255,255,.025)}
.compact-impact-grid span{display:block;color:var(--muted);font-size:9px;letter-spacing:.09em;text-transform:uppercase}
.compact-impact-grid b{display:block;margin-top:5px;color:var(--ink);font-size:18px;font-weight:600;font-variant-numeric:tabular-nums}
.compact-impact-grid p{margin:4px 0 0;color:var(--muted);font-size:10.5px;line-height:1.35}
.full-calc-link{width:100%;margin-top:14px;min-height:46px}
.benefit-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:14px}
.benefit-grid article{padding:17px;border:1px solid var(--line);border-radius:11px;background:var(--panel)}
.benefit-grid span{display:block;color:var(--gold-2);font-size:9px;font-weight:600;letter-spacing:.11em;text-transform:uppercase}
.benefit-grid b{display:block;margin-top:8px;color:var(--ink);font-size:15px;font-weight:600}
.benefit-grid p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.4}
.drawer-card.featured{border-color:rgba(201,162,63,.58);background:linear-gradient(135deg,rgba(201,162,63,.12),rgba(255,255,255,.035))}
.fatal{position:fixed;z-index:999;inset:10px auto auto 10px;padding:10px 12px;border:1px solid var(--hot);border-radius:8px;background:#161011;color:#fff}
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 8px;border-bottom:1px solid var(--line);text-align:left}
th{color:var(--muted);font-size:10px;font-weight:500;letter-spacing:.1em;text-transform:uppercase}
td.n,th.n{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.scope-list{display:grid;gap:10px;margin-top:20px}
.scope-row{display:grid;grid-template-columns:minmax(120px,.7fr) minmax(0,1.3fr);gap:18px;padding:13px 0;border-bottom:1px solid var(--line)}
.scope-row span{color:var(--muted);font-size:12px}
.scope-row b{font-weight:500;color:var(--ink-2)}
.sequence-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin-top:20px}
.sequence-card{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:72px;padding:14px 15px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:inherit;text-decoration:none;transition:border-color .18s,transform .18s,background .18s}
.sequence-card:hover{border-color:rgba(201,162,63,.52);transform:translateY(-2px);background:rgba(201,162,63,.055)}
.sequence-card.current{border-color:rgba(201,162,63,.55);background:rgba(201,162,63,.08)}
.sequence-card small{display:block;margin-bottom:3px;color:var(--gold-2);font-size:9px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}
.sequence-card b{display:block;color:var(--ink);font-size:13px;font-weight:600;line-height:1.3}
.sequence-card::after{content:"→";color:var(--gold-2)}
.field{margin-bottom:14px}
.field label{display:flex;justify-content:space-between;gap:10px;margin-bottom:6px;color:var(--ink-2);font-size:12.5px}
.field label i{color:var(--muted);font-style:normal}
.field input,.field select{width:100%;min-height:46px;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#151619;color:var(--ink);font-size:16px}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
.orow{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.orow span{color:var(--muted)}
.orow b{font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.calc-result{position:sticky;top:76px;align-self:start}
.result-actions{display:grid;gap:8px;margin-top:18px}
.result-actions button,.result-actions a{width:100%}

/* Overview */
.overview-viewer{padding-bottom:18px}
.overview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;max-width:1440px;margin:0 auto 12px}
.view-switch{display:flex;gap:4px;overflow-x:auto;padding:3px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.035);scrollbar-width:none}
.view-switch::-webkit-scrollbar{display:none}
.view-switch button{min-height:38px;padding:7px 14px;border:0;border-radius:7px;background:transparent;color:var(--ink-2);cursor:pointer;font-size:11px;font-weight:600;letter-spacing:.04em;white-space:nowrap}
.view-switch button:hover{background:rgba(255,255,255,.07);color:#fff}
.view-switch button[aria-pressed="true"]{background:var(--gold);color:#15130d;box-shadow:0 3px 12px rgba(201,162,63,.22)}
.overview-note{color:var(--muted);font-size:10.5px;letter-spacing:.055em;text-align:right}
.overview-frame{overflow:hidden}
.zone-marker{position:absolute;z-index:8;display:flex;align-items:center;gap:8px;transform:translate(-12px,-50%);min-height:38px;padding:7px 11px 7px 8px;border:1px solid rgba(224,185,88,.66);border-radius:999px;background:rgba(8,9,11,.72);backdrop-filter:blur(12px);box-shadow:0 10px 25px rgba(0,0,0,.28);color:#fff;cursor:pointer;font-size:10px;font-weight:600;letter-spacing:.085em;text-transform:uppercase;transition:background .18s,transform .18s,border-color .18s}
.zone-marker::before{content:"";width:9px;height:9px;flex:none;border-radius:50%;background:var(--gold-2);box-shadow:0 0 0 5px rgba(201,162,63,.15)}
.zone-marker::after{content:"→";color:var(--gold-2);font-size:13px}
.zone-marker:hover,.zone-marker[aria-expanded="true"]{transform:translate(-12px,-50%) translateY(-2px);background:rgba(201,162,63,.15);border-color:var(--gold-2)}
.overview-legend{position:absolute;z-index:6;left:16px;bottom:14px;max-width:min(600px,calc(100% - 32px));padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:rgba(8,9,11,.66);backdrop-filter:blur(10px);color:rgba(255,255,255,.69);font-size:10.5px;letter-spacing:.04em;pointer-events:none}
.scope-drawer{position:absolute;z-index:60;top:0;right:0;bottom:0;width:min(430px,90vw);padding:22px;border-left:1px solid var(--line-strong);background:rgba(10,11,13,.96);backdrop-filter:blur(18px);overflow-y:auto;visibility:hidden;pointer-events:none;transform:translateX(102%);transition:transform .28s cubic-bezier(.22,1,.36,1),visibility 0s linear .28s;box-shadow:-22px 0 60px rgba(0,0,0,.38)}
.scope-drawer.open{visibility:visible;pointer-events:auto;transform:none;transition-delay:0s}
.drawer-close{position:absolute;top:14px;right:14px;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:rgba(255,255,255,.035);color:var(--ink-2);cursor:pointer;font-size:20px;line-height:1}
.scope-drawer .drawer-kicker{margin:3px 48px 5px 0;color:var(--gold-2);font-size:9.5px;font-weight:600;letter-spacing:.15em;text-transform:uppercase}
.scope-drawer h2{margin-right:42px;font-size:24px}
.drawer-sub{margin-bottom:18px;color:var(--muted);font-size:13px}
.drawer-cards{display:grid;gap:10px}
.drawer-card{display:grid;grid-template-columns:112px minmax(0,1fr);gap:13px;overflow:hidden;padding:8px;border:1px solid var(--line);border-radius:11px;background:var(--panel);color:inherit;text-decoration:none;transition:border-color .18s,background .18s,transform .18s}
.drawer-card:hover{border-color:rgba(201,162,63,.55);background:rgba(201,162,63,.06);transform:translateY(-1px)}
.drawer-card img{width:112px;aspect-ratio:16/10;object-fit:cover;border-radius:7px;background:#000}
.drawer-card .body{min-width:0;padding:4px 5px 4px 0}
.drawer-card small{display:block;color:var(--gold-2);font-size:8.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase}
.drawer-card b{display:block;margin-top:4px;color:var(--ink);font-size:13px;font-weight:600;line-height:1.25}
.drawer-card span{display:block;margin-top:4px;color:var(--muted);font-size:11px;line-height:1.35}
.drawer-card em{display:block;margin-top:7px;color:var(--gold-2);font-size:9.5px;font-style:normal;font-weight:600;letter-spacing:.08em;text-transform:uppercase}

.overview-zones{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
.zone-summary{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.zone-summary .tag{display:inline-flex;margin-bottom:15px;padding:5px 8px;border:1px solid rgba(201,162,63,.4);border-radius:999px;color:var(--gold-2);font-size:9px;font-weight:600;letter-spacing:.13em;text-transform:uppercase}
.zone-summary ul{margin:14px 0 0;padding-left:18px;color:var(--ink-2)}
.zone-summary li{margin:7px 0}

.footer{padding:28px 20px 38px;border-top:1px solid var(--line);background:#050606;text-align:center}
.footer a{font-size:13px;text-decoration:none}
.footer div{margin-top:7px;color:var(--muted);font-size:10.5px;letter-spacing:.04em}

@media(max-width:880px){
  .contact-btn{display:none}
  .heading .sub{max-width:48vw}
  .overview-note{display:none}
  .compact-calc-grid{grid-template-columns:1fr}
  .benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:680px){
  .compact-calculator{width:calc(100% - 24px);padding:38px 0 48px}
  .compact-calc-head{align-items:flex-start;flex-direction:column;gap:12px}
  .compact-calc-head p{font-size:13px}
  .compact-controls,.compact-results{padding:16px}
  .result-top{flex-direction:column}
  .compact-impact-grid,.benefit-grid{grid-template-columns:1fr 1fr}
  .engineering-handoff{align-items:stretch;flex-direction:column;padding:18px 16px}
  .engineering-handoff .primary-btn{width:100%}
  .viewer{min-height:auto;padding:0 10px 12px}
  .top-bar{gap:11px;padding:13px 2px 11px}
  .logo{height:18px}
  .heading{padding-left:11px}
  .heading{flex:1}
  .heading h1{display:-webkit-box;overflow:hidden;font-size:16px;white-space:normal;-webkit-box-orient:vertical;-webkit-line-clamp:2}
  .heading h1[data-mobile-title]{display:block;font-size:0;white-space:nowrap}
  .heading h1[data-mobile-title]::after{content:attr(data-mobile-title);font-size:16px}
  .heading .sub{display:none}
  .eyebrow{font-size:8px;letter-spacing:.13em}
  .page-count{display:none}
  .nav-btn{width:40px;padding:0;font-size:0}
  .nav-btn::before{font-size:16px}
  .nav-btn[data-dir="prev"]::before{content:"←"}
  .nav-btn[data-dir="next"]::before{content:"→"}
  .nav-btn[data-dir="overview"]::before{content:"⌂"}
  .nav-btn[data-dir="scope"]::before{content:"MAP";font-size:9px;font-weight:700;letter-spacing:.08em}
  .nav-btn[data-dir="model"]::before{content:"↓"}
  .stage,.overview-frame{border-radius:10px}
  .compare-label{top:13px;transform:none;padding:7px 9px;font-size:8px;letter-spacing:.1em}
  .compare-label.left{left:9px}
  .compare-label.right{right:9px}
  .compare-label span{display:none}
  .compare-handle::after{width:48px;height:48px}
  .drag-hint{top:calc(50% + 37px);font-size:8.5px;padding:5px 8px}
  .hero-caption{bottom:6px;max-width:calc(100% - 14px);padding:6px 8px;font-size:8.5px;line-height:1.35;white-space:normal}
  .hero-caption .hide-mobile{display:none}
  .viewer-tools{display:block;margin-top:10px}
  .temperature-strip{padding-bottom:5px}
  .temperature-strip .cap{display:none}
  .temperature-strip button{min-height:40px}
  .details-cue{justify-content:center;width:100%;margin-top:8px;padding:7px}
  .viz-tabs{width:calc(100% - 16px);padding:5px}
  .viz-tabs button{min-height:44px;padding:8px 3px;font-size:10.5px;line-height:1.2}
  .pane{padding:28px 16px 48px}
  .row{grid-template-columns:1fr}
  .range-control{grid-template-columns:minmax(0,1fr) 104px;gap:10px}
  .metric-grid{grid-template-columns:1fr 1fr}
  .answer-grid,.method-grid{grid-template-columns:1fr}
  .impact-grid{grid-template-columns:1fr 1fr}
  .scope-row{grid-template-columns:1fr;gap:4px}
  .calc-result{position:static}
  .overview-toolbar{margin-bottom:9px}
  .view-switch{width:100%}
  .view-switch button{flex:1 0 auto;min-height:42px}
  .zone-marker{min-height:34px;max-width:104px;padding:6px 8px 6px 7px;font-size:0;line-height:1.15;letter-spacing:.05em}
  .zone-marker::before{width:8px;height:8px;box-shadow:0 0 0 4px rgba(201,162,63,.15)}
  .zone-marker::after{display:block;content:attr(data-short);font-size:8px;color:#fff;white-space:nowrap}
  .zone-marker[data-zone="upper_ip"]{margin-top:-8px}
  .zone-marker[data-zone="upper_hp"]{margin-top:8px}
  .zone-marker[data-zone="lower_ip"]{margin-top:-14px}
  .zone-marker[data-zone="lower_hp"]{margin-top:-5px}
  .overview-legend{display:none}
  .scope-drawer{position:fixed;top:auto;left:0;right:0;bottom:0;width:100%;height:min(78svh,680px);border-top:1px solid var(--line-strong);border-left:0;border-radius:18px 18px 0 0;transform:translateY(102%);padding:21px 16px max(24px,env(safe-area-inset-bottom));box-shadow:0 -22px 60px rgba(0,0,0,.5)}
  .scope-drawer.open{transform:none}
  .drawer-card{grid-template-columns:96px minmax(0,1fr)}
  .drawer-card img{width:96px}
  .overview-zones{grid-template-columns:1fr}
}

@media(max-width:420px){
  .impact-grid{grid-template-columns:1fr}
  .compact-impact-grid,.benefit-grid{grid-template-columns:1fr}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

@media print{
  :root{color-scheme:light}
  body{background:#fff;color:#111}
  .viewer{min-height:0;background:#fff;padding-bottom:18px}
  .top-bar,.viewer-tools{color:#111}
  .heading h1{color:#111}
  .top-actions,.drag-hint,.compare-handle,.details-cue,.viz-tabs,.result-actions,.footer{display:none!important}
  .stage{box-shadow:none}
  .sheets{background:#fff;border-top:1px solid #ccc}
  .pane{display:block!important;color:#111;page-break-inside:avoid}
  .pane p,.note,.scope-row span{color:#444}
  .card,.zone-summary{background:#fafafa;border-color:#ccc}
  .metric,.field input,.field select{background:#fff;color:#111}
  .metric b,.scope-row b,.orow b{color:#111}
}