/* Feasibility page. Every selector is prefixed fe- or scoped to [data-page="prog-a-feasibility"]. */
:root{--fe-night:#072d2b;--fe-forest:#0e4d4a;--fe-paper:#f6f4ef;--fe-sage:#6bb68f;--fe-mist:#e2ebe6;--fe-ochre:#c98a2b;--fe-ochre-l:#e0a64a;--fe-indigo-l:#9db4f2;--fe-ink:#25302e;--fe-mute:#46554f;--fe-ease:cubic-bezier(.3,1.35,.4,1)}

/* ---------- splash ---------- */
[data-page="prog-a-feasibility"] .gft-splash{min-height:min(740px,calc(100svh - 76px))}
[data-page="prog-a-feasibility"] .gft-splash__content{padding-top:16px;padding-bottom:12px}
[data-page="prog-a-feasibility"] .gft-splash h1{font-size:clamp(3rem,4.6vw,4.9rem);max-width:7.4em;line-height:1.01;margin-block:10px 12px}
[data-page="prog-a-feasibility"] .gft-splash h1 .gft-serif{letter-spacing:-.055em}
[data-page="prog-a-feasibility"] .gft-splash__lede{max-width:27em;font-size:clamp(1.02rem,1.22vw,1.15rem);margin-bottom:14px}
[data-page="prog-a-feasibility"] .gft-splash__structure{inset:0 0 44px 36%;align-items:stretch}
[data-page="prog-a-feasibility"] .gft-splash__structure::after{background:linear-gradient(90deg,#072d2b 0%,#072d2b00 14%)}
.fe-hero{width:100%;height:100%;min-height:0;overflow:visible}
.fe-hero__word{font:850 52px var(--gft-font-display);letter-spacing:-.045em;fill:#f6f4ef}
.fe-hero__label{font:600 13.5px var(--gft-font-mono);letter-spacing:.13em;fill:#cfe3d6}
.fe-hero__label--dim{fill:#e0a64a}
.fe-hero__seg{stroke:#6bb68f;stroke-width:10;stroke-opacity:.32;transition:stroke .6s,stroke-opacity .6s}
.fe-hero__dot{fill:#c98a2b}.fe-hero__halo{stroke:#c98a2b;stroke-opacity:.0;stroke-width:2;transition:stroke-opacity .6s}
.fe-hero__needle{fill:#f6f4ef;transform-origin:880px 376px;rotate:calc(var(--na,150) * -1deg);transition:rotate 1s var(--fe-ease)}
.fe-hero[data-sel="0"]{--na:150}.fe-hero[data-sel="1"]{--na:90}.fe-hero[data-sel="2"]{--na:30}
.fe-hero[data-sel="0"] .fe-hero__seg--0,.fe-hero[data-sel="1"] .fe-hero__seg--1,.fe-hero[data-sel="2"] .fe-hero__seg--2{stroke:#c98a2b;stroke-opacity:1}
.fe-hero[data-sel="0"] .fe-hero__gate--0 .fe-hero__halo,.fe-hero[data-sel="1"] .fe-hero__gate--1 .fe-hero__halo,.fe-hero[data-sel="2"] .fe-hero__gate--2 .fe-hero__halo{stroke-opacity:.9}
.fe-hero__ring,.fe-hero__quiver{transform-origin:880px 376px;overflow-anchor:none}
.fe-hero__actions{display:grid;gap:12px;max-width:540px}
.fe-hero__cta-row{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.fe-hero__actions .gft-button{font-size:15px;min-height:48px;padding-inline:20px}
.fe-status{font:12.5px/1.5 var(--gft-font-mono);color:#cfe0d5;border-left:1px solid #6bb68f66;padding-left:16px}
.fe-hero__bar{display:grid;gap:6px;padding:9px 12px;background:#093835d9;border:1px solid #6bb68f66;border-left:4px solid var(--fe-ochre-l)}
.fe-hero__pills{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.fe-hero__pill{display:flex;align-items:center;gap:8px;min-height:44px;padding:6px 12px;border:1px solid #6bb68f66;background:#072d2b;color:#e8f2eb;font-weight:700;font-size:.9375rem;text-align:left;cursor:pointer;transition:background-color .35s,color .35s,border-color .35s}
.fe-hero__pill b{font:600 12px var(--gft-font-mono);letter-spacing:.1em;color:#b9d1c3}
.fe-hero__pill:hover{border-color:var(--fe-ochre-l)}
.fe-hero__pill[aria-pressed=true]{background:#f6f4ef;color:#072d2b;border-color:#f6f4ef}
.fe-hero__pill[aria-pressed=true] b{color:#7a4f10}
.fe-hero__pill:focus-visible{outline:3px solid var(--fe-ochre-l);outline-offset:2px}
.fe-hero__readout{margin:0;font:600 12px/1.5 var(--gft-font-mono);color:#dbe9e0;display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center}
.fe-hero__readout span{text-transform:uppercase;letter-spacing:.1em;color:#9fcbb3}
.fe-hero__readout b{color:#fff;font-weight:700}
.fe-hero__readout em{font-style:normal;color:var(--fe-ochre-l);margin-left:auto}
.fe-hero__key{display:none}
:root[data-m-go] .fe-hero__needle{animation-name:fe-settle;animation-duration:1500ms;animation-timing-function:cubic-bezier(.22,1,.36,1);animation-fill-mode:backwards;animation-iteration-count:1;animation-direction:normal}
@keyframes fe-settle{from{rotate:calc(var(--na,150) * -1deg + 80deg)}65%{rotate:calc(var(--na,150) * -1deg - 7deg)}to{rotate:calc(var(--na,150) * -1deg)}}
/* loops: on screen only (kit sets data-m-on), never in Calm or reduced motion (no data-m-go) */
:root[data-m-go] [data-m-live~=fe-quiver][data-m-on]{animation-name:fe-quiver;animation-duration:6s;animation-timing-function:ease-in-out;animation-iteration-count:infinite;animation-direction:alternate;animation-play-state:var(--m-play)}
:root[data-m-go] [data-m-live~=fe-ring][data-m-on]{animation-name:fe-ring;animation-duration:140s;animation-timing-function:linear;animation-iteration-count:infinite;animation-direction:normal;animation-play-state:var(--m-play)}
:root[data-m-go] [data-m-live~=fe-grid][data-m-on]{animation-name:fe-grid;animation-duration:30s;animation-timing-function:linear;animation-iteration-count:infinite;animation-direction:normal;animation-play-state:var(--m-play)}
@keyframes fe-sweep{from{rotate:0deg}to{rotate:-180deg}}
:root[data-m-go] [data-m-live~=fe-sweep][data-m-on]{animation-name:fe-sweep;animation-duration:9s;animation-timing-function:ease-in-out;animation-iteration-count:infinite;animation-direction:alternate;animation-play-state:var(--m-play)}
:root[data-fe-hidden] [data-m-live~=fe-sweep]{animation-play-state:paused!important}
.fe-dial__sweep{transform-origin:320px 340px;overflow-anchor:none}
.fe-dial__sweep path{stroke:#8fd1ac;stroke-opacity:.55;stroke-width:2;stroke-dasharray:2 7}
@keyframes fe-quiver{from{rotate:-1.1deg}to{rotate:1.1deg}}
@keyframes fe-ring{to{rotate:360deg}}
@keyframes fe-grid{to{transform:translate(64px,64px)}}
:root[data-fe-hidden] [data-m-live~=fe-quiver],:root[data-fe-hidden] [data-m-live~=fe-ring],:root[data-fe-hidden] [data-m-live~=fe-grid]{animation-play-state:paused!important}
.fe-dial__quiver{transform-origin:320px 340px;overflow-anchor:none}

/* ---------- section frame: every seam is a dial rim, the previous section sags into the next as an arc ---------- */
.fe-s{position:relative;isolation:isolate;overflow-x:clip;--fe-arc:clamp(34px,4.4vw,68px);padding-top:calc(var(--fe-arc) + clamp(36px,4.4vw,72px));padding-bottom:clamp(48px,5.6vw,92px)}
.fe-s::before{content:'';position:absolute;z-index:-1;top:0;left:0;width:100%;height:var(--fe-arc);background:var(--fe-prev,transparent);border-radius:0 0 50% 50%/0 0 100% 100%;border-bottom:2px solid var(--fe-ochre);pointer-events:none}
.fe-s::after{content:'';position:absolute;z-index:-1;top:calc(var(--fe-arc) - 9px);left:50%;width:16px;height:16px;margin-left:-8px;border-radius:50%;background:var(--fe-ochre);box-shadow:0 0 0 7px #c98a2b40;pointer-events:none}
.fe-wrap{width:min(1560px,calc(100% - 64px));margin-inline:auto}
.fe-s .gft-eyebrow{font-size:12px;color:var(--fe-mute)}
.fe-s.gft-section--dark .gft-eyebrow{color:#b9d1c3}
.fe-s .gft-cite{font-size:12px;min-width:44px;justify-content:center}
.fe-s h2{font-size:clamp(2.5rem,4.7vw,5.1rem);max-width:15ch;line-height:1.02}
.fe-s h3{font-size:clamp(1.35rem,1.9vw,1.9rem)}
.fe-s p{max-width:62ch}
.fe-lede{font-size:clamp(1.125rem,1.38vw,1.3rem);line-height:1.62;color:#22302c}
.gft-section--dark .fe-lede{color:#dbe9e0}
.fe-signal{font:600 12px/1.6 var(--gft-font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--fe-mute)}
.gft-section--dark .fe-signal{color:#b9d1c3}
.fe-caption,.fe-note{font:14px/1.7 var(--gft-font-mono);color:var(--fe-mute);max-width:62ch}
.gft-section--dark .fe-caption,.gft-section--dark .fe-note{color:#b9d1c3}
.fe-head{display:grid;grid-template-columns:1.05fr 1fr;gap:6vw;align-items:end;margin-bottom:clamp(28px,3.6vw,48px)}
.fe-head .gft-eyebrow{margin-bottom:20px}
.fe-s.fe-s--inst{--fe-prev:#072d2b;background:radial-gradient(ellipse at 22% 55%,#10605b 0,#0b4340 52%,#093a37 100%)}
.fe-s.fe-s--oblig{--fe-prev:#093a37;background:linear-gradient(180deg,#093a37 0,#072d2b 40%)}
.fe-s.fe-s--bound{--fe-prev:#072d2b;background:var(--fe-mist)}
.fe-s.fe-s--define{--fe-prev:#e2ebe6;background:radial-gradient(ellipse at 70% 45%,#0e4d4a 0,#072d2b 64%)}
.fe-s.fe-s--seq{--fe-prev:#072d2b;background:var(--fe-mist);padding-bottom:clamp(36px,4vw,64px)}
.fe-s.fe-s--inter{--fe-prev:#e2ebe6;background:radial-gradient(ellipse at 80% 40%,#0e4d4a 0,#072d2b 62%)}
.fe-s.fe-s--evid{--fe-prev:#072d2b;background:var(--fe-paper);padding-bottom:0}
.fe-s.fe-s--stress{--fe-prev:#072d2b;background:radial-gradient(ellipse at 72% 30%,#0e4d4a 0,#072d2b 66%)}
.fe-s.fe-s--matrix{--fe-prev:#072d2b;background:var(--fe-paper)}
.fe-s.fe-s--close{--fe-prev:#f6f4ef;background:radial-gradient(ellipse at 25% 40%,#0e4d4a 0,#072d2b 60%);padding-bottom:clamp(40px,5vw,72px)}

/* ---------- entrance masks stay on inner visuals, never on section surfaces, words or controls ---------- */
.fe-s--inst{--fe-from:inset(0 100% 0 0)}.fe-s--oblig{--fe-from:inset(0 0 0 100%)}.fe-s--bound{--fe-from:inset(0 0 56% 0)}
.fe-s--define{--fe-from:inset(42% 0 42% 0)}.fe-s--seq{--fe-from:inset(0 0 100% 0)}.fe-s--inter{--fe-from:inset(0 50% 0 50%)}
.fe-s--evid{--fe-from:inset(0 58% 0 0)}.fe-s--stress{--fe-from:inset(0 0 0 60%)}.fe-s--matrix{--fe-from:inset(12% 12% 0 12% round 48px)}
.fe-s--close{--fe-from:inset(0 0 55% 0)}
:root[data-m-go] .fe-s[data-m]:not([data-m-in]),:root[data-m-go] .fe-s[data-m][data-m-in]{opacity:1;transform:none;clip-path:none;animation-name:none}
:root[data-m-go] .fe-s[data-m]:not([data-m-in]) :is(.fe-dial__ticks,.fe-oblig__threads,.fe-loom__warp-bg,.fe-curve>g:first-child,.fe-evid-top__bg){clip-path:var(--fe-from)}
:root[data-m-go] .fe-s[data-m][data-m-in] :is(.fe-dial__ticks,.fe-oblig__threads,.fe-loom__warp-bg,.fe-curve>g:first-child,.fe-evid-top__bg){animation-name:fe-open;animation-duration:900ms;animation-timing-function:cubic-bezier(.2,.75,.2,1);animation-delay:0ms;animation-fill-mode:backwards;animation-iteration-count:1;animation-direction:normal}
@keyframes fe-open{from{clip-path:var(--fe-from)}to{clip-path:inset(0 0 0 0 round 0)}}
/* children: staggered inside 250 ms, each section picks its own kinds */
:root[data-m-go] .fe-s:not([data-m-in]) [data-fe-k]{opacity:0}
:root[data-m-go] .fe-s[data-m-in] [data-fe-k]{animation-duration:880ms;animation-timing-function:cubic-bezier(.2,.75,.2,1);animation-delay:calc(var(--k,0) * 50ms);animation-fill-mode:backwards;animation-iteration-count:1;animation-direction:normal}
:root[data-m-go] .fe-s[data-m-in] [data-fe-k=rise]{animation-name:fe-k-rise}
:root[data-m-go] .fe-s[data-m-in] [data-fe-k=wipe]{animation-name:fe-k-wipe}
:root[data-m-go] .fe-s[data-m-in] [data-fe-k=scale]{animation-name:fe-k-scale}
:root[data-m-go] .fe-s[data-m-in] [data-fe-k=drop]{animation-name:fe-k-drop}
:root[data-m-go] .fe-s[data-m-in] [data-fe-k=slide]{animation-name:fe-k-slide}
:root[data-m-go] .fe-s[data-m-in] [data-fe-k=blur]{animation-name:fe-k-blur}
:root[data-m-go] .fe-s[data-m-in] [data-fe-k=flip]{animation-name:fe-k-flip}
@keyframes fe-k-rise{from{opacity:0;transform:translateY(54px)}}
@keyframes fe-k-wipe{from{opacity:0;clip-path:inset(-8% 100% -12% 0);transform:translateX(-40px)}}
@keyframes fe-k-scale{from{opacity:0;transform:scale(.9)}}
@keyframes fe-k-drop{from{opacity:0;transform:translateY(-54px)}}
@keyframes fe-k-slide{from{opacity:0;transform:translateX(-90px)}}
@keyframes fe-k-blur{from{opacity:0;filter:blur(14px);transform:translateY(24px)}}
@keyframes fe-k-flip{from{opacity:0;transform:perspective(900px) rotateX(-40deg) translateY(30px);transform-origin:50% 100%}}
/* bars arrive with their section */
:root[data-m-go] .fe-s--evid:not([data-m-in]) .fe-gauge__bar{transform:scaleY(0)}
:root[data-m-go] .fe-s--evid[data-m-in] .fe-gauge__bar{animation-name:fe-bar;animation-duration:880ms;animation-timing-function:cubic-bezier(.2,.75,.2,1);animation-delay:300ms;animation-fill-mode:backwards;animation-iteration-count:1;animation-direction:normal}
@keyframes fe-bar{from{transform:scaleY(0)}}
:root[data-motion=calm] .fe-s *,:root[data-motion=calm] .fe-s *::before{transition-duration:.01ms!important}

/* ---------- cross-fades never show two texts at once: the outgoing one leaves first, the incoming one follows ---------- */
.fe-reading,.fe-strip__read,.fe-define__panel,.fe-seq__r,.fe-evid__r,.fe-mpanel,.fe-oblig__gate p{grid-area:1/1;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .16s linear,transform .16s linear,visibility 0s .16s}
.fe-strip__read{grid-area:2/1}
.fe-define__panel,.fe-define__panel[hidden],.fe-mpanel,.fe-mpanel[hidden]{display:grid}
.fe-readout[data-sel="0"] .fe-reading--0,.fe-readout[data-sel="1"] .fe-reading--1,.fe-readout[data-sel="2"] .fe-reading--2,
.fe-strip__read.is-on,.fe-define__panel.is-on,.fe-seq__r.is-on,.fe-evid__r.is-on,.fe-mpanel.is-on,
.fe-oblig[data-sel="0"] .fe-oblig__gate--0,.fe-oblig[data-sel="1"] .fe-oblig__gate--1,.fe-oblig[data-sel="2"] .fe-oblig__gate--2{opacity:1;visibility:visible;transform:none;transition:opacity .4s .2s,transform .5s .2s,visibility 0s .2s}

/* ---------- dial ---------- */
.fe-dialbox{display:block;width:100%}
.fe-dial{display:block;width:100%;height:auto;overflow:visible;color:#f6f4ef;--na:150}
.fe-dial__base{stroke:currentColor;stroke-opacity:.34;stroke-width:2}
.fe-dial__inner{stroke:currentColor;stroke-opacity:.26;stroke-dasharray:3 8}
.fe-dial__inner--2{stroke-dasharray:none;stroke-opacity:.12}
.fe-dial__ticks path{stroke:currentColor;stroke-opacity:.5}
.fe-seg{stroke:#6bb68f;stroke-width:12;stroke-opacity:.3;transition:stroke .6s,stroke-opacity .6s}
.fe-gate__dot{fill:var(--fe-ochre)}.fe-gate__halo{stroke:var(--fe-ochre);stroke-width:2;stroke-opacity:0;transition:stroke-opacity .6s}
.fe-dial__label{font:600 15px var(--gft-font-mono);letter-spacing:.12em;fill:currentColor;fill-opacity:.9}
.fe-dial__word{font:850 40px var(--gft-font-display);letter-spacing:-.035em;fill:currentColor}
.fe-needle{fill:currentColor;transform-origin:320px 340px;rotate:calc(var(--na) * -1deg);transition:rotate 1s var(--fe-ease)}
.fe-dial__hub{fill:currentColor}.fe-dial__hub2{stroke:var(--fe-sage);stroke-opacity:.8}
.fe-dial--s[data-sel="-1"]{--na:168}
.fe-dial--s[data-sel="-1"] .fe-seg--0{stroke:var(--fe-ochre-l);stroke-opacity:.88}
.fe-dial--s[data-sel="-1"] .fe-seg--1{stroke:#8fd1ac;stroke-opacity:.88}
.fe-dial--s[data-sel="-1"] .fe-seg--2{stroke:var(--fe-indigo-l);stroke-opacity:.88}
.fe-dial--g[data-sel="0"],.fe-dial--s[data-sel="0"]{--na:150}.fe-dial--g[data-sel="1"],.fe-dial--s[data-sel="1"]{--na:90}.fe-dial--g[data-sel="2"],.fe-dial--s[data-sel="2"]{--na:30}
:is(.fe-dial--g,.fe-dial--s)[data-sel="0"] .fe-seg--0,:is(.fe-dial--g,.fe-dial--s)[data-sel="1"] .fe-seg--1,:is(.fe-dial--g,.fe-dial--s)[data-sel="2"] .fe-seg--2{stroke:var(--fe-ochre);stroke-opacity:1}
:is(.fe-dial--g,.fe-dial--s)[data-sel="0"] .fe-gate--0 .fe-gate__halo,:is(.fe-dial--g,.fe-dial--s)[data-sel="1"] .fe-gate--1 .fe-gate__halo,:is(.fe-dial--g,.fe-dial--s)[data-sel="2"] .fe-gate--2 .fe-gate__halo{stroke-opacity:.95}
.fe-dial--v{--na:150}
.fe-dial--v[data-n="1"]{--na:112}.fe-dial--v[data-n="2"]{--na:70}.fe-dial--v[data-n="3"]{--na:30}
.fe-dial--v[data-c0="1"] .fe-seg--0,.fe-dial--v[data-c1="1"] .fe-seg--1,.fe-dial--v[data-c2="1"] .fe-seg--2{stroke:#8fd1ac;stroke-opacity:1}
.fe-dial--v[data-c0="1"] .fe-gate--0 .fe-gate__dot,.fe-dial--v[data-c1="1"] .fe-gate--1 .fe-gate__dot,.fe-dial--v[data-c2="1"] .fe-gate--2 .fe-gate__dot{fill:#8fd1ac}
.fe-dial--v[data-n="3"] .fe-dial__word{fill:#8fd1ac}
.fe-dial--u .fe-gate,.fe-dial--u .fe-seg{opacity:.5}
/* verdict dial: green, ochre and red zones, the needle follows the verdict */
.fe-dial--k .fe-gate,.fe-dial--k .fe-dial__label{display:none}
.fe-dial--k .fe-seg--0{stroke:#8fd1ac}.fe-dial--k .fe-seg--1{stroke:var(--fe-ochre-l)}.fe-dial--k .fe-seg--2{stroke:#ff9b85}
.fe-dial--k .fe-seg{stroke-opacity:.28}
.fe-dial--k[data-v="0"]{--na:150}.fe-dial--k[data-v="1"]{--na:90}.fe-dial--k[data-v="2"]{--na:30}
.fe-dial--k[data-v="0"] .fe-seg--0,.fe-dial--k[data-v="1"] .fe-seg--1,.fe-dial--k[data-v="2"] .fe-seg--2{stroke-opacity:1}
.fe-dial__key{display:none}

/* ---------- 1. instrument ---------- */
.fe-inst{display:grid;grid-template-columns:minmax(0,7.5fr) minmax(0,5.5fr);gap:clamp(28px,3.8vw,64px);align-items:center}
.fe-inst__dial{background:#072d2bd9;border:1px solid #6bb68f66;border-top:4px solid var(--fe-ochre-l);padding:clamp(18px,2.2vw,30px)}
.fe-inst__chrome{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:14px;margin-bottom:8px;border-bottom:1px solid #6bb68f44}
.fe-inst__badge{font:600 12px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;color:#072d2b;background:var(--fe-ochre-l);padding:4px 10px}
.fe-inst__dial .fe-caption{margin-top:14px;text-align:center;margin-inline:auto}
.fe-gstat{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.fe-gstat li{display:grid;gap:2px;padding:12px 16px;border:1px solid #6bb68f77;color:#dbe9e0;cursor:pointer;transition:background-color .4s,color .4s,border-color .4s}
.fe-gstat li:hover{border-color:var(--fe-ochre-l)}
.fe-gstat li:focus-visible{outline:3px solid var(--fe-ochre-l);outline-offset:2px}
.fe-gstat b{font:600 12px var(--gft-font-mono);letter-spacing:.14em;color:#b9d1c3}
.fe-gstat span{font-weight:750;font-size:1.125rem;letter-spacing:-.02em}
.fe-gstat em{font:600 12px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;font-style:normal;color:var(--fe-ochre-l)}
.fe-gstat[data-sel="0"] li[data-i="0"],.fe-gstat[data-sel="1"] li[data-i="1"],.fe-gstat[data-sel="2"] li[data-i="2"]{background:#f6f4ef;color:#072d2b;border-color:#f6f4ef}
.fe-gstat[data-sel="0"] li[data-i="0"] b,.fe-gstat[data-sel="1"] li[data-i="1"] b,.fe-gstat[data-sel="2"] li[data-i="2"] b{color:#46554f}
.fe-gstat[data-sel="0"] li[data-i="0"] em,.fe-gstat[data-sel="1"] li[data-i="1"] em,.fe-gstat[data-sel="2"] li[data-i="2"] em{color:#7a4f10}
.fe-inst__panel h2{margin:18px 0 18px}
.fe-inst__panel .fe-lede{margin-bottom:24px;max-width:52ch}
.fe-tabs{border:0;padding:0;margin:0 0 22px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.fe-tabs legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.fe-tab{position:relative;display:block}
.fe-tab input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.fe-tab span{display:flex;flex-direction:column;justify-content:center;gap:4px;min-height:64px;padding:10px 16px;border:1px solid #6bb68f77;color:#e8f2eb;font-weight:700;font-size:1.1rem;letter-spacing:-.01em;transition:background-color .4s,color .4s,border-color .4s}
.fe-tab b{font:600 12px var(--gft-font-mono);letter-spacing:.14em;color:#b9d1c3;font-weight:600}
.fe-tab:hover span{border-color:#c98a2b}
.fe-tab input:checked+span{background:#f6f4ef;color:#072d2b;border-color:#f6f4ef}.fe-tab input:checked+span b{color:#7a4f10}
.fe-tab input:focus-visible+span{outline:3px solid var(--fe-ochre);outline-offset:3px}
.fe-readout{display:grid}
.fe-reading h3{margin:8px 0 12px;font-size:clamp(1.5rem,2.2vw,2.2rem);color:#fff}
.fe-reading>p:not(.fe-signal){font-size:1.0625rem;line-height:1.65;color:#dbe9e0}
.fe-meta{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;margin:16px 0 0;border-top:1px solid #6bb68f55}
.fe-meta div{padding:10px 0;border-bottom:1px solid #6bb68f33}.fe-meta div:last-child{grid-column:1/-1}
.fe-meta dt{font:600 12px var(--gft-font-mono);letter-spacing:.12em;text-transform:uppercase;color:#b9d1c3}.fe-meta dd{margin:4px 0 0;font-size:1rem;color:#f2f7f3;line-height:1.5}

/* ---------- 2. obligations: dark full-bleed stage, three coloured threads ---------- */
.fe-s--oblig .fe-head{margin-bottom:clamp(28px,3.4vw,48px)}
.fe-s h2{scroll-margin-top:110px}
.fe-oblig{position:relative;overflow:clip;background:transparent;color:#f6f4ef;padding-block:clamp(20px,2.4vw,32px);--fe-t:var(--fe-ochre-l)}
.fe-oblig[data-sel="1"]{--fe-t:#8fd1ac}.fe-oblig[data-sel="2"]{--fe-t:var(--fe-indigo-l)}
.fe-oblig::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 82% 50%,color-mix(in srgb,var(--fe-t) 20%,transparent),transparent 60%);pointer-events:none}
.fe-oblig__grid,.fe-flow__grid,.fe-evid__grid,.fe-seq__grid{position:absolute;inset:-64px;background-image:linear-gradient(#6bb68f24 1px,transparent 1px),linear-gradient(90deg,#6bb68f24 1px,transparent 1px);background-size:64px 64px;overflow-anchor:none;pointer-events:none}
.fe-oblig__in{--w:min(560px,38vw);position:relative;width:min(1560px,calc(100% - 64px));margin-inline:auto;display:grid;grid-template-columns:minmax(320px,410px) minmax(0,1fr) var(--w);align-items:start}
.fe-oblig__list{display:grid;grid-template-rows:repeat(3,168px);position:relative;z-index:2}
.fe-oblig__btn{--c:var(--fe-ochre-l);display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto 1fr;column-gap:14px;align-content:center;text-align:left;border:0;border-left:4px solid color-mix(in srgb,var(--c) 45%,transparent);background:transparent;padding:6px 14px 6px 20px;color:#dbe9e0;transition:border-color .4s,background-color .4s;min-height:44px}
.fe-oblig__btn--1{--c:#8fd1ac}.fe-oblig__btn--2{--c:var(--fe-indigo-l)}
.fe-oblig__n{grid-row:1;font:600 12px var(--gft-font-mono);letter-spacing:.12em;color:var(--c);align-self:center}
.fe-oblig__btn strong{grid-row:1;grid-column:2;font-size:1.5rem;letter-spacing:-.03em;line-height:1.1;color:#fff}
.fe-oblig__line{grid-column:1/-1;font-weight:650;font-size:1.0625rem;line-height:1.3;margin-top:6px;color:#f2f7f3}
.fe-oblig__text{grid-column:1/-1;font-size:.9375rem;line-height:1.45;color:#b9d1c3;margin-top:4px;max-width:40ch}
.fe-oblig__btn[aria-pressed=true]{border-left-color:var(--c);background:linear-gradient(90deg,color-mix(in srgb,var(--c) 18%,transparent),transparent)}
.fe-oblig__btn[aria-pressed=true] .fe-oblig__text{color:#dbe9e0}
.fe-oblig__btn:hover{border-left-color:var(--c)}
.fe-oblig__threads{max-width:none;width:calc(100% + var(--w) * .5);height:504px;margin-right:calc(var(--w) * -.5);z-index:0;position:relative;overflow:visible}
.fe-thread{--c:var(--fe-ochre-l);stroke:var(--c);stroke-opacity:.5;stroke-width:2;vector-effect:non-scaling-stroke;transition:stroke-opacity .5s,stroke-width .5s}
.fe-thread--1{--c:#8fd1ac}.fe-thread--2{--c:var(--fe-indigo-l)}
.fe-oblig__threads[data-sel="0"] .fe-thread--0,.fe-oblig__threads[data-sel="1"] .fe-thread--1,.fe-oblig__threads[data-sel="2"] .fe-thread--2{stroke-opacity:1;stroke-width:5}
.fe-oblig__dial{grid-column:3;grid-row:1;position:relative;z-index:1;width:var(--w);margin-top:calc(252px - var(--w) * .381)}
.fe-oblig__gate{display:grid;margin-top:16px;text-align:center}
.fe-oblig__gate p{font-size:1.0625rem;color:#dbe9e0;margin-inline:auto;max-width:none}
.fe-oblig__gate b{color:var(--fe-t);margin-right:8px}

/* ---------- 3. boundary: warp-thread diagram, scrubber, full-width dark detail panel ---------- */
.fe-bound__top{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,4vw,56px);align-items:end;margin-bottom:clamp(24px,3vw,38px)}
.fe-bound__top::before{content:'';position:absolute;left:0;right:0;top:-18px;height:2px;background:var(--fe-ochre);transform-origin:0 50%;pointer-events:none}
:root[data-m-go] .fe-s--bound:not([data-m-in]) .fe-bound__top::before{transform:scaleX(0)}
:root[data-m-go] .fe-s--bound[data-m-in] .fe-bound__top::before{animation-name:fe-thread-run;animation-duration:1100ms;animation-timing-function:cubic-bezier(.3,.8,.3,1);animation-fill-mode:backwards;animation-iteration-count:1;animation-direction:normal}
@keyframes fe-thread-run{from{transform:scaleX(0)}}
.fe-bound__head{display:grid;gap:14px}
.fe-bound__top h2{max-width:18ch;font-size:clamp(2.5rem,4.6vw,4.8rem);margin:0}
.fe-bound__top .fe-lede{max-width:58ch;font-size:clamp(1.15rem,1.4vw,1.32rem);line-height:1.6;color:#1e2a27;margin:0}
.fe-strip__bar{display:grid;grid-template-columns:minmax(0,7fr) minmax(300px,5fr);gap:18px;align-items:stretch;margin-bottom:14px}
.fe-strip__tog{border:0;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.fe-strip__tog legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.fe-pos{position:relative;display:block}
.fe-pos input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.fe-pos span{display:flex;flex-direction:column;justify-content:center;gap:4px;min-height:74px;height:100%;padding:12px 18px;border:1px solid #0e4d4a88;background:#f6f4ef;color:var(--fe-ink);font-weight:750;font-size:1.0625rem;letter-spacing:-.015em;line-height:1.22;transition:background-color .4s,color .4s,border-color .4s}
.fe-pos b{font:600 12px var(--gft-font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--fe-mute)}
.fe-pos:hover span{border-color:var(--fe-ochre)}
.fe-pos input:checked+span{background:var(--fe-forest);color:#f6f4ef;border-color:var(--fe-forest)}.fe-pos input:checked+span b{color:#c9ded2}
.fe-pos input:focus-visible+span{outline:3px solid var(--fe-ochre);outline-offset:3px}
.fe-strip__scrub{background:var(--fe-night);color:#f6f4ef;padding:12px 20px;border:1px solid #0e4d4a88;display:grid;align-content:center;gap:6px}
.fe-strip__scrub-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.fe-strip__scrub label{font:600 12px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;color:#b9d1c3}
.fe-strip__scrub output{font:700 14px var(--gft-font-mono);color:var(--fe-ochre-l)}
.fe-range--bound{height:34px;--p:50%}

/* full-width warp-thread loom diagram */
.fe-loom{background:var(--fe-night);border:1px solid #0e4d4a88;border-bottom:0;padding:10px 0 4px;position:relative;overflow:hidden}
.fe-loom__svg{display:block;width:100%;height:118px;overflow:visible}
.fe-loom__zone-out{fill:#ffffff08;transform-origin:0 50%;transition:transform .7s var(--fe-ease)}
.fe-loom__zone-part{fill:#c98a2b24;stroke:#e0a64a66;stroke-dasharray:4 4;transform-origin:600px 50%;transform:scaleX(0);opacity:0;transition:transform .7s var(--fe-ease),opacity .5s}
.fe-loom__zone-in{fill:#0e4d4a88;stroke:#6bb68f66}
.fe-strip[data-p="1"] .fe-loom__zone-out{transform:scaleX(.6667)}
.fe-strip[data-p="2"] .fe-loom__zone-out{transform:scaleX(.3333)}
.fe-strip[data-p="1"] .fe-loom__zone-part{transform:scaleX(.5);opacity:1}
.fe-strip[data-p="2"] .fe-loom__zone-part{transform:scaleX(1);opacity:1}
.fe-loom__warp-bg{stroke:#6bb68f38;stroke-width:1.5}
.fe-loom__warp{stroke:#8fd1ac;stroke-width:2.2;stroke-dasharray:10 14;stroke-opacity:.75}
.fe-loom__warp--1,.fe-loom__warp--2{stroke:var(--fe-ochre-l);stroke-opacity:.85}
.fe-loom__cursor{transform:translateX(calc(var(--sel,3) * 200px));transition:transform .6s var(--fe-ease)}
.fe-loom__cursor-box{fill:#c98a2b29;stroke:var(--fe-ochre-l);stroke-width:2}
.fe-loom__cursor-line{stroke:var(--fe-ochre-l);stroke-width:2.5;stroke-dasharray:3 4}
.fe-loom__reed{stroke:#6bb68f44;stroke-width:1.5}
.fe-loom__halo{stroke:var(--fe-ochre-l);stroke-width:2;stroke-opacity:0;fill:#c98a2b00;transition:stroke-opacity .4s,fill .4s}
.fe-loom__dot{fill:#6bb68f;stroke:#072d2b;stroke-width:2.5;transition:fill .4s,transform .4s}
.fe-loom__num{font:600 12px var(--gft-font-mono);letter-spacing:.1em;fill:#b9d1c3}
.fe-loom__node[data-state="inside"] .fe-loom__dot{fill:#8fd1ac}
.fe-loom__node[data-state="partner"] .fe-loom__dot{fill:var(--fe-ochre-l)}
.fe-loom__node[data-state="outside"] .fe-loom__dot{fill:#7d948b}
.fe-loom__node[data-sel="1"] .fe-loom__halo{stroke-opacity:1;fill:#c98a2b33}
.fe-loom__node[data-sel="1"] .fe-loom__dot{fill:#fff}
.fe-loom__node[data-sel="1"] .fe-loom__num{fill:#fff}

.fe-strip__row{position:relative;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid #0e4d4a66;background:var(--fe-paper)}
.fe-stage{display:flex;flex-direction:column;gap:8px;padding:20px 16px 18px;min-height:184px;border:0;border-right:1px solid #0e4d4a2e;background:transparent;text-align:left;color:var(--fe-ink);cursor:pointer;transition:background-color .6s,color .6s,opacity .6s;position:relative}
.fe-stage:last-of-type{border-right:0}
.fe-stage::after{content:'';position:absolute;right:-1px;top:50%;width:12px;height:12px;border-top:2px solid #0e4d4a88;border-right:2px solid #0e4d4a88;transform:translate(50%,-50%) rotate(45deg);z-index:1;background:inherit}
.fe-stage:last-of-type::after{display:none}
.fe-stage__n{font:600 12px var(--gft-font-mono);letter-spacing:.12em;color:var(--fe-mute)}
.fe-stage strong{font-size:clamp(1.2rem,1.65vw,1.65rem);letter-spacing:-.03em;line-height:1.1;margin-top:4px}
.fe-stage em{font:600 12px var(--gft-font-mono);letter-spacing:.12em;text-transform:uppercase;font-style:normal;margin-top:auto}
.fe-stage small{font-size:1rem;line-height:1.42;color:var(--fe-mute)}
.fe-stage[data-state=inside]{background:var(--fe-forest);color:#f6f4ef}.fe-stage[data-state=inside] .fe-stage__n,.fe-stage[data-state=inside] small{color:#d4e6dc}
.fe-stage[data-state=partner]{background:repeating-linear-gradient(135deg,#ecd9b4 0 9px,#f6f4ef 9px 18px)}
.fe-stage[data-state=outside]{color:#374640}
.fe-stage[aria-pressed=true]{box-shadow:inset 0 0 0 4px var(--fe-ochre);z-index:2}
.fe-stage:hover{box-shadow:inset 0 0 0 3px #c98a2b99}.fe-stage[aria-pressed=true]:hover{box-shadow:inset 0 0 0 4px var(--fe-ochre)}
.fe-stage:focus-visible{outline:3px solid var(--fe-ochre);outline-offset:-3px}
.fe-strip__marker{position:absolute;inset:-14px auto -14px 0;width:calc(100% / 7);pointer-events:none;transform:translateX(300%);transition:transform .9s var(--fe-ease);z-index:3}
.fe-strip__marker i{position:absolute;inset:0 auto 0 -2px;width:4px;background:var(--fe-ochre);display:block}
.fe-strip__marker i::before{content:'';position:absolute;left:50%;top:-8px;width:20px;height:20px;border-radius:50%;background:var(--fe-ochre);transform:translateX(-50%);box-shadow:0 0 0 5px #e2ebe6}
.fe-strip[data-p="1"] .fe-strip__marker{transform:translateX(200%)}.fe-strip[data-p="2"] .fe-strip__marker{transform:translateX(100%)}

/* full-width dark detail panel under the warp-thread chain */
.fe-strip__out{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,56px);margin-top:18px;background:var(--fe-night);color:#f6f4ef;padding:clamp(26px,3vw,42px);border:1px solid #0e4d4a88;border-top:6px solid var(--fe-ochre);align-items:stretch}
.fe-sr{display:grid;align-content:start;gap:14px;padding-right:clamp(16px,2.6vw,36px);border-right:1px solid #6bb68f44}
.fe-sr__head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.fe-sr .fe-signal{color:#b9d1c3;margin:0}
.fe-sr h3{font-size:clamp(2.3rem,3.5vw,3.6rem);color:#fff;line-height:1;margin:0}
.fe-sr__state{font:600 13px var(--gft-font-mono);letter-spacing:.12em;text-transform:uppercase;color:#072d2b;background:#8fd1ac;padding:4px 10px;margin:0}
.fe-sr[data-state=partner] .fe-sr__state{background:var(--fe-ochre-l);color:#072d2b}
.fe-sr[data-state=outside] .fe-sr__state{background:#b9d1c3;color:#072d2b}
.fe-sr__body{font-size:1.125rem;line-height:1.65;color:#e4f0e8;margin:0}
.fe-sr__note{font:600 13px var(--gft-font-mono);letter-spacing:.06em;color:#b9d1c3;border-top:1px solid #6bb68f44;padding-top:12px;margin:2px 0 0}.fe-sr__note span{text-transform:uppercase;margin-right:8px;color:#8fd1ac}.fe-sr__note b{font-weight:600;color:#f2f7f3}
.fe-sr__chain{margin-top:auto;padding-top:14px;border-top:1px solid #6bb68f44;display:grid;gap:10px}
.fe-sr__nodes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
.fe-sr__nodes li{display:grid;gap:2px;padding:8px 6px;background:#0d4542;border:1px solid #6bb68f44;border-top:3px solid #6bb68f66;font-size:12px;color:#b9d1c3}
.fe-sr__nodes li b{font:600 12px var(--gft-font-mono);color:#8fd1ac}
.fe-sr__nodes li span{font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#e8f2eb}
.fe-sr__nodes li[data-state="inside"]{border-top-color:#8fd1ac;background:#11534f}
.fe-sr__nodes li[data-state="partner"]{border-top-color:var(--fe-ochre-l);background:#2b4738}
.fe-sr__nodes li.is-sel{border-color:var(--fe-ochre-l);box-shadow:inset 0 0 0 1px var(--fe-ochre-l);background:#1b635e}

.fe-strip__reads{display:grid;align-content:space-between;gap:20px}
.fe-strip__reads-top{display:grid;gap:10px}
.fe-strip__reads .fe-signal{color:#b9d1c3;margin:0}
.fe-strip__read{font-size:1.15rem;line-height:1.62;color:#e8f2eb;margin:0;max-width:66ch}
.fe-strip__read strong{color:#fff}
.fe-deps-box{display:grid;gap:12px;border-top:1px solid #6bb68f44;padding-top:16px}
.fe-deps{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;padding:0;margin:0}
.fe-deps li{display:grid;gap:6px;padding:10px 14px;background:#0b3b38;border:1px solid #6bb68f44}
.fe-deps li:last-child{grid-column:1/-1}
.fe-deps__meta{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.fe-deps__meta strong{font:700 13px var(--gft-font-mono);letter-spacing:.08em;text-transform:uppercase;color:#fff}
.fe-deps__meta span{font-size:.9375rem;color:#c9ded2}
.fe-deps__bar{display:block;height:6px;background:#072d2b;overflow:hidden}
.fe-deps__bar b{display:block;height:100%;background:var(--fe-ochre-l);transform-origin:0 50%;transform:scaleX(.62);transition:transform .6s var(--fe-ease),background-color .4s}
.fe-deps li[data-di="0"] .fe-deps__bar b{transform:scaleX(.88)}
.fe-deps li[data-di="1"] .fe-deps__bar b{transform:scaleX(.54);background:#8fd1ac}
.fe-deps li[data-di="2"] .fe-deps__bar b{transform:scaleX(.58);background:#8fd1ac}
.fe-deps li[data-di="3"] .fe-deps__bar b{transform:scaleX(.84)}
.fe-deps li[data-di="4"] .fe-deps__bar b{transform:scaleX(.72)}
.fe-strip[data-p="1"] .fe-deps li[data-di="0"] .fe-deps__bar b{transform:scaleX(.94)}
.fe-strip[data-p="1"] .fe-deps li[data-di="1"] .fe-deps__bar b{transform:scaleX(.68)}
.fe-strip[data-p="2"] .fe-deps li[data-di="0"] .fe-deps__bar b{transform:scaleX(1)}
.fe-strip[data-p="2"] .fe-deps li[data-di="1"] .fe-deps__bar b{transform:scaleX(.82)}
.fe-strip[data-p="2"] .fe-deps li[data-di="4"] .fe-deps__bar b{transform:scaleX(.9)}

.fe-chips li{font:600 12px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;border:1px solid #0e4d4a88;padding:10px 14px;min-height:40px;display:flex;align-items:center}

/* ---------- 4. definitions: one dark panel bleeds to the right edge, tabs inside it ---------- */
@media(min-width:901px){.fe-wrap--bleed{width:auto;margin-left:max(32px,calc((100vw - 1560px) / 2));margin-right:0}}
.fe-define{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(28px,4.4vw,72px);align-items:start}
.fe-define__text{display:grid;gap:20px;align-content:start;padding-top:8px;position:sticky;top:116px}
.fe-define__text h2{margin:10px 0 6px;font-size:clamp(2.4rem,4.2vw,4.6rem)}
.fe-flow{position:sticky;top:104px;overflow:clip;background:#072d2bcc;color:#f6f4ef;padding:clamp(22px,2.6vw,40px);border:1px solid #6bb68f66;border-right:0;display:grid;gap:26px;align-content:start;min-height:min(640px,calc(100svh - 150px))}
.fe-flow>*{position:relative}
.fe-flow__grid{inset:-64px}
.fe-flow .fe-signal{color:#b9d1c3}
.fe-define__tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.fe-define__tabs button{display:flex;align-items:center;gap:12px;min-height:60px;text-align:left;padding:10px 16px;border:1px solid #6bb68f88;background:transparent;font-weight:700;font-size:1.0625rem;letter-spacing:-.01em;color:#e8f2eb;transition:background-color .4s,color .4s,border-color .4s}
.fe-define__tabs button b{font:600 12px var(--gft-font-mono);letter-spacing:.12em;color:#b9d1c3}
.fe-define__tabs button:hover{border-color:var(--fe-ochre-l)}
.fe-define__tabs button[aria-selected=true]{background:#f6f4ef;color:#072d2b;border-color:#f6f4ef}.fe-define__tabs button[aria-selected=true] b{color:#46554f}
.fe-define__tabs button:focus-visible{outline:3px solid var(--fe-ochre-l);outline-offset:3px}
.fe-define__panels{display:grid;min-height:200px;align-content:start;border-top:1px solid #6bb68f55;padding-top:20px}
.fe-define__panel{align-content:start}
.fe-define__panel h3{margin-bottom:10px;color:#fff}.fe-define__panel p{font-size:1.0625rem;line-height:1.65;color:#dbe9e0;max-width:70ch}
.fe-chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:16px 0 0}
.fe-chips li{border-color:#6bb68f99!important;color:#e8f2eb}
.fe-flow__row{display:grid;grid-template-columns:minmax(0,1fr) 40px minmax(0,1.15fr) 40px minmax(0,1fr);align-items:stretch}
.fe-flow__stage{display:grid;gap:22px}
.fe-flow__node{display:grid;align-content:center;gap:8px;padding:20px 18px;min-height:170px;border:2px solid #6bb68f77;background:#0d4542;transition:background-color .5s,border-color .5s}
.fe-flow__node small,.fe-flow__node em{font:600 12px/1.5 var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;font-style:normal;color:#b9d1c3}
.fe-flow__node strong{font-size:clamp(1.1rem,1.55vw,1.55rem);letter-spacing:-.03em;line-height:1.12;color:#dbe9e0}
.fe-flow__node--base{background:var(--fe-forest);border-color:#8fd1ac}.fe-flow__node--base strong{color:#fff}
.fe-flow__arrow{position:relative;align-self:center;height:2px;background:#8fd1ac}
.fe-flow__arrow::after{content:'';position:absolute;right:0;top:-5px;width:10px;height:10px;border-top:2px solid #8fd1ac;border-right:2px solid #8fd1ac;transform:rotate(45deg)}
.fe-define[data-sel="0"] .fe-flow__node--0,.fe-define[data-sel="1"] .fe-flow__node--1{background:#17655f;border-color:var(--fe-ochre-l)}
.fe-define[data-sel="0"] .fe-flow__node--0 strong,.fe-define[data-sel="1"] .fe-flow__node--1 strong{color:#fff}
.fe-flow__limits{display:grid;gap:12px;padding:20px 18px;border:2px solid #6bb68f55;background:#0d4542;transition:border-color .5s,background-color .5s}
.fe-define[data-sel="2"] .fe-flow__limits{border-color:var(--fe-ochre-l);background:#17655f}
.fe-flow__lim{display:grid;grid-template-columns:130px 1fr;gap:16px;align-items:center}
.fe-flow__lim span{font:600 13px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;color:#dbe9e0}
.fe-flow__lim i{display:block;height:16px;background:#6bb68f55;transform-origin:0 50%;transition:background-color .5s}
.fe-flow__lim:nth-of-type(1) i{transform:scaleX(.9)}.fe-flow__lim:nth-of-type(2) i{transform:scaleX(.62)}.fe-flow__lim:nth-of-type(3) i{transform:scaleX(.78)}.fe-flow__lim:nth-of-type(4) i{transform:scaleX(.5)}
.fe-define[data-sel="2"] .fe-flow__lim i{background:var(--fe-ochre-l)}
/* the chain redraws on every tab: the connectors draw left to right, the constraint bars grow from nothing */
:root[data-m-go] .fe-define[data-sel] .fe-flow__arrow{animation-duration:760ms;animation-timing-function:cubic-bezier(.3,.8,.3,1);animation-fill-mode:backwards;animation-iteration-count:1;animation-direction:normal}
:root[data-m-go] .fe-define[data-sel="0"] .fe-flow__arrow{animation-name:fe-draw-a}
:root[data-m-go] .fe-define[data-sel="1"] .fe-flow__arrow{animation-name:fe-draw-b}
:root[data-m-go] .fe-define[data-sel="2"] .fe-flow__arrow{animation-name:fe-draw-c}
:root[data-m-go] .fe-define[data-sel="2"] .fe-flow__lim i{animation-name:fe-grow;animation-duration:900ms;animation-timing-function:cubic-bezier(.2,.75,.2,1);animation-fill-mode:backwards;animation-iteration-count:1;animation-direction:normal}
:root[data-m-go] .fe-define[data-sel="2"] .fe-flow__lim:nth-of-type(2) i{animation-delay:90ms}
:root[data-m-go] .fe-define[data-sel="2"] .fe-flow__lim:nth-of-type(3) i{animation-delay:180ms}
:root[data-m-go] .fe-define[data-sel="2"] .fe-flow__lim:nth-of-type(4) i{animation-delay:270ms}
@keyframes fe-draw-a{from{clip-path:inset(-8px 100% -8px 0)}to{clip-path:inset(-8px -8px -8px 0)}}
@keyframes fe-draw-b{from{clip-path:inset(-8px 100% -8px 0)}to{clip-path:inset(-8px -8px -8px 0)}}
@keyframes fe-draw-c{from{clip-path:inset(-8px 100% -8px 0)}to{clip-path:inset(-8px -8px -8px 0)}}
@keyframes fe-grow{from{transform:scaleX(0)}}

/* ---------- 5. sticky sequence: full-height left-bleeding 58vw dial stage + overlapping cards ---------- */
@media(min-width:901px){
 .fe-wrap--seq{width:100%;max-width:none;margin:0;padding-right:max(32px,calc((100vw - 1560px) / 2))}
}
.fe-seq{display:grid;grid-template-columns:minmax(0,58vw) minmax(0,1fr);gap:0;align-items:start}
.fe-seq__pin{position:sticky;top:78px;align-self:start;z-index:1}
.fe-seq__card{position:relative;overflow:clip;background:radial-gradient(ellipse at 50% 42%,#0e4d4a 0%,#072d2b 74%);color:#f6f4ef;padding:clamp(24px,3vw,42px) clamp(48px,6vw,96px) clamp(24px,3vw,36px) max(32px,calc((100vw - 1560px) / 2));border:1px solid #6bb68f66;border-left:0;border-right:4px solid var(--fe-ochre-l);min-height:calc(100svh - 96px);display:grid;align-content:space-between;gap:18px}
.fe-seq__card>*:not(.fe-seq__grid){position:relative;z-index:1}
.fe-seq__top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:12px;border-bottom:1px solid #6bb68f44}
.fe-seq__card .fe-signal{color:#b9d1c3;margin:0}
.fe-seq__pill{font:600 12px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;background:var(--fe-ochre-l);color:#072d2b;padding:4px 10px}
.fe-seq__card .fe-dial{max-height:calc(100svh - 360px);min-height:250px}
.fe-seq__tabs{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
.fe-seq__rail{position:absolute;left:0;right:0;top:-10px;height:3px;background:#6bb68f44}
.fe-seq__rail::after{content:'';position:absolute;inset:0;background:var(--fe-ochre-l);transform-origin:0 50%;transform:scaleX(.12);transition:transform .8s var(--fe-ease)}
.fe-seq[data-state="0"] .fe-seq__rail::after{transform:scaleX(.34)}.fe-seq[data-state="1"] .fe-seq__rail::after{transform:scaleX(.67)}.fe-seq[data-state="2"] .fe-seq__rail::after{transform:scaleX(1)}
.fe-seq__tabs button{display:flex;flex-direction:column;align-items:flex-start;gap:2px;justify-content:center;min-height:58px;padding:8px 16px;border:1px solid #6bb68f77;background:#072d2bcc;color:#e8f2eb;font-weight:700;font-size:1.0625rem;text-align:left;cursor:pointer;transition:background-color .4s,color .4s}
.fe-seq__tabs b{font:600 12px var(--gft-font-mono);letter-spacing:.12em;color:#b9d1c3}
.fe-seq__tabs button[aria-pressed=true]{background:#f6f4ef;color:#072d2b;border-color:#f6f4ef}.fe-seq__tabs button[aria-pressed=true] b{color:#46554f}
.fe-seq__read{display:grid;min-height:76px;align-content:start;background:#072d2bb3;padding:12px 16px;border-left:3px solid var(--fe-ochre-l)}
.fe-seq__r p{font-size:1.0625rem;line-height:1.5;color:#dbe9e0;margin:0}
.fe-seq__status{font:600 13px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--fe-ochre-l)!important;margin-bottom:4px!important}
.fe-seq__status span{color:#b9d1c3;margin-right:8px}

/* layered step cards overlapping the right edge of the sticky dial */
.fe-seq__track{position:relative;z-index:2;margin-left:-5.5vw;display:grid;gap:clamp(32px,4.5vh,52px);padding-block:12px}
.fe-seq__intro,.fe-step{position:relative;background:#f6f4ef;color:var(--fe-ink);padding:clamp(26px,2.8vw,38px);border:1px solid #0e4d4a66;border-left:6px solid var(--fe-forest);box-shadow:0 22px 48px #072d2b24;display:grid;align-content:start;gap:18px}
.fe-step__head{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
.fe-step__num{font:800 clamp(2.2rem,3.2vw,3.2rem)/.95 var(--gft-font-mono);letter-spacing:-.04em;color:var(--fe-forest);background:#e2ebe6;border:1px solid #0e4d4a44;padding:10px 14px;min-width:68px;text-align:center}
.fe-seq__intro h2{font-size:clamp(2.1rem,3.4vw,3.5rem);margin:6px 0 0;max-width:16ch}
.fe-seq__intro .fe-lede{font-size:1.1875rem;line-height:1.62;color:#1e2a27;margin:0}
.fe-step__node{position:absolute;left:-11px;top:38px;width:16px;height:16px;border-radius:50%;background:var(--fe-ochre);box-shadow:0 0 0 5px #f6f4ef}
.fe-step h3{margin:6px 0 0;font-size:clamp(1.75rem,2.5vw,2.45rem);line-height:1.08;color:#072d2b}
.fe-step>p:not(.fe-signal){font-size:1.1875rem;line-height:1.64;color:#1e2a27;max-width:54ch;margin:0}
.fe-seq[data-state="0"] [data-fe-step="0"],.fe-seq[data-state="1"] [data-fe-step="1"],.fe-seq[data-state="2"] [data-fe-step="2"]{border-left-color:var(--fe-ochre)}
.fe-seq[data-state="0"] [data-fe-step="0"] .fe-step__num,.fe-seq[data-state="1"] [data-fe-step="1"] .fe-step__num,.fe-seq[data-state="2"] [data-fe-step="2"] .fe-step__num{background:var(--fe-night);color:var(--fe-ochre-l);border-color:var(--fe-night)}

/* per-step schematic mini-visuals inside each layered card */
.fe-step__viz{background:var(--fe-night);color:#f6f4ef;padding:18px 20px;border-top:3px solid var(--fe-ochre-l);display:grid;gap:12px}
.fe-step__viz .fe-signal{color:#b9d1c3;margin:0}
.fe-seq-chain{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:8px;align-items:stretch}
.fe-seq-chain__node{background:#0d4542;border:1px solid #6bb68f66;padding:10px 12px;display:grid;gap:3px}
.fe-seq-chain__node b{font:700 12px var(--gft-font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fe-ochre-l)}
.fe-seq-chain__node span{font-weight:700;font-size:.95rem;color:#fff;line-height:1.2}
.fe-seq-chain__node em{font:600 12px var(--gft-font-mono);font-style:normal;color:#b9d1c3}
.fe-seq-chain__arr{align-self:center;font:700 18px var(--gft-font-mono);color:var(--fe-ochre-l)}

.fe-viz-ticks{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.fe-viz-ticks li{display:grid;grid-template-columns:36px 1fr auto;gap:12px;align-items:center;padding:10px 12px;background:#0d4542;border:1px solid #6bb68f55}
.fe-viz-ticks__box{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;background:#072d2b;border:1px solid var(--fe-ochre-l);font:700 12px var(--gft-font-mono);color:var(--fe-ochre-l)}
.fe-viz-ticks div{display:grid;gap:2px}
.fe-viz-ticks strong{font-size:.98rem;color:#fff;line-height:1.2}
.fe-viz-ticks span{font-size:.875rem;color:#c9ded2;line-height:1.35}
.fe-viz-ticks em{font:600 12px var(--gft-font-mono);letter-spacing:.08em;text-transform:uppercase;font-style:normal;color:#072d2b;background:#8fd1ac;padding:3px 8px}

.fe-viz-shift{display:grid;gap:12px}
.fe-viz-shift__bar{display:grid;grid-template-columns:5.2fr 1.6fr 3.2fr;gap:4px;min-height:42px}
.fe-viz-shift__seg{display:flex;align-items:center;padding:6px 10px;font:600 12px/1.2 var(--gft-font-mono);letter-spacing:.04em}
.fe-viz-shift__seg--good{background:#6bb68f;color:#072d2b;font-weight:700}
.fe-viz-shift__seg--rework{background:var(--fe-ochre-l);color:#072d2b;font-weight:700}
.fe-viz-shift__seg--loss{background:#17524e;border:1px dashed #8fd1ac;color:#e8f2eb}
.fe-viz-shift__meta{margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.fe-viz-shift__meta div{background:#0d4542;border:1px solid #6bb68f44;padding:8px 10px}
.fe-viz-shift__meta dt{font:600 12px var(--gft-font-mono);color:var(--fe-ochre-l);text-transform:uppercase;letter-spacing:.06em}
.fe-viz-shift__meta dd{margin:3px 0 0;font-size:.875rem;color:#e8f2eb;line-height:1.3}

.fe-viz-stack{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.fe-viz-stack li{display:grid;gap:3px;padding:10px 14px;background:#0d4542;border-left:4px solid #8fd1ac;border-top:1px solid #6bb68f44;border-right:1px solid #6bb68f44;border-bottom:1px solid #6bb68f44}
.fe-viz-stack li:nth-child(1){border-left-color:var(--fe-ochre-l)}
.fe-viz-stack li:nth-child(2){border-left-color:#9db4f2}
.fe-viz-stack b{font:700 12px var(--gft-font-mono);letter-spacing:.08em;text-transform:uppercase;color:#fff}
.fe-viz-stack span{font-size:.92rem;color:#d4e6dc;line-height:1.35}

/* ---------- 6. utilisation interlude ---------- */
.fe-s--inter{min-height:max(100svh,780px);display:flex;align-items:center}
.fe-inter{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(32px,5vw,88px);align-items:center}
.fe-inter__copy h2{margin:22px 0 24px;font-size:clamp(2.6rem,4.8vw,5.2rem)}
.fe-inter__copy .fe-caption{margin-top:22px;font-size:14px}
.fe-formula{margin:24px 0 0;max-width:none;font:600 clamp(1.05rem,1.4vw,1.35rem)/1.5 var(--gft-font-mono);color:#f2f7f3;border-left:4px solid var(--fe-ochre-l);padding:8px 0 8px 18px;font-variant-numeric:tabular-nums}
.fe-formula span{display:block;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#c9ded2;font-weight:600}
.fe-formula b{color:var(--fe-ochre-l);font-weight:800}
.fe-inter__panel{border:1px solid #6bb68f66;background:#072d2bd9;padding:clamp(18px,2.4vw,36px)}
.fe-inter__chart{position:relative}
.fe-curve{width:100%;height:auto;overflow:visible}
.fe-curve__line{stroke:#c98a2b;stroke-width:3.5}
.fe-curve__pt{transition:transform .35s var(--fe-ease)}
.fe-curve__dot{fill:#f6f4ef}.fe-curve__halo{stroke:#c98a2b;stroke-width:2}
.fe-svgl{font:600 13px var(--gft-font-mono);letter-spacing:.12em;fill:#c9ded2}
.fe-inter__dial{position:absolute;right:2%;top:-2%;width:min(240px,40%)}
.fe-inter__ctl{display:grid;gap:12px;margin-top:20px}
.fe-inter__ctl label{font:600 13px var(--gft-font-mono);letter-spacing:.12em;text-transform:uppercase;color:#c9ded2}
.fe-range{-webkit-appearance:none;appearance:none;width:100%;height:44px;margin:0;background:transparent;cursor:pointer;--c:var(--fe-ochre-l);--p:50%}
.fe-range::-webkit-slider-runnable-track{height:12px;border-radius:6px;background:linear-gradient(90deg,var(--c) var(--p),#ffffff40 var(--p))}
.fe-range::-moz-range-track{height:12px;border-radius:6px;background:linear-gradient(90deg,var(--c) var(--p),#ffffff40 var(--p))}
.fe-range::-webkit-slider-thumb{-webkit-appearance:none;width:32px;height:32px;margin-top:-10px;border-radius:50%;background:#f6f4ef;border:5px solid var(--c);box-shadow:0 0 0 6px color-mix(in srgb,var(--c) 32%,transparent),0 0 24px var(--c)}
.fe-range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#f6f4ef;border:5px solid var(--c);box-shadow:0 0 0 6px color-mix(in srgb,var(--c) 32%,transparent),0 0 24px var(--c)}
.fe-range:focus-visible{outline:3px solid var(--fe-ochre-l);outline-offset:4px;border-radius:6px}
.fe-inter__chips{display:flex;flex-wrap:wrap;gap:8px}
.fe-inter__chips button{min-height:48px;padding:8px 16px;border:1px solid #6bb68f99;background:transparent;color:#e8f2eb;font-weight:600;font-size:1rem;transition:background-color .4s,color .4s}
.fe-inter__chips button b{font-family:var(--gft-font-mono);margin-left:6px}
.fe-inter__chips button[aria-pressed=true]{background:#f6f4ef;color:#072d2b;border-color:#f6f4ef}
.fe-inter__read{display:grid;grid-template-columns:1fr auto;align-items:baseline;gap:0 18px;border-top:1px solid #6bb68f55;padding-top:14px;max-width:none}
.fe-inter__read span{font:600 13px var(--gft-font-mono);letter-spacing:.12em;text-transform:uppercase;color:#c9ded2;grid-column:1/-1}
.fe-inter__read b{font-size:clamp(3.2rem,6vw,5.8rem);line-height:1;letter-spacing:-.05em;color:#fff;font-variant-numeric:tabular-nums;display:inline-block;min-width:3.6ch}
.fe-inter__read em{font:600 15px var(--gft-font-mono);color:#dbe9e0;font-style:normal}

/* ---------- 7. evidence plot + header pull-out strip ---------- */
.fe-evid-top{position:relative;padding-bottom:26px}
.fe-evid-top__bg{position:absolute;inset:-24px -4vw 0;width:calc(100% + 8vw);height:calc(100% + 24px);pointer-events:none;z-index:0}
.fe-head--evid{position:relative;z-index:1;margin-bottom:22px}
.fe-evid-strip{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.fe-evid-card{display:grid;gap:10px;padding:18px 20px;background:#fff;border:1px solid #0e4d4a55;border-top:4px solid var(--fe-forest);text-align:left;color:var(--fe-ink);cursor:pointer;transition:background-color .4s,color .4s,border-color .4s,box-shadow .4s}
.fe-evid-card__top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.fe-evid-card__top .fe-signal{margin:0}
.fe-evid-card__gap{font:600 12px var(--gft-font-mono);color:#7a4f10;background:#f7ebd6;padding:3px 8px;border:1px solid #c98a2b66}
.fe-evid-card__main{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.fe-evid-card__main strong{font:850 clamp(2rem,3vw,3rem)/1 var(--gft-font-display);letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--fe-night)}
.fe-evid-card__main span{font-weight:700;font-size:1.05rem;color:var(--fe-ink)}
.fe-evid-card__bar{display:block;height:8px;background:#e2ebe6;overflow:hidden}
.fe-evid-card__bar i{display:block;height:100%;background:var(--fe-forest);transform-origin:0 50%;transform:scaleX(var(--v,.337));transition:background-color .4s}
.fe-evid-card:hover{border-color:var(--fe-ochre)}
.fe-evid-card[aria-pressed=true]{background:var(--fe-night);color:#f6f4ef;border-color:var(--fe-night);border-top-color:var(--fe-ochre-l);box-shadow:0 14px 32px #072d2b22}
.fe-evid-card[aria-pressed=true] .fe-signal{color:#b9d1c3}
.fe-evid-card[aria-pressed=true] .fe-evid-card__main strong,.fe-evid-card[aria-pressed=true] .fe-evid-card__main span{color:#fff}
.fe-evid-card[aria-pressed=true] .fe-evid-card__gap{background:#0d4542;color:var(--fe-ochre-l);border-color:var(--fe-ochre-l)}
.fe-evid-card[aria-pressed=true] .fe-evid-card__bar{background:#0d4542}
.fe-evid-card[aria-pressed=true] .fe-evid-card__bar i{background:var(--fe-ochre-l)}
.fe-evid-card:focus-visible{outline:3px solid var(--fe-ochre);outline-offset:3px}

.fe-evid{position:relative;overflow:clip;background:var(--fe-night);color:#f6f4ef;padding-block:clamp(28px,3.4vw,48px);border-top:4px solid var(--fe-ochre)}
.fe-evid::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 24% 40%,#0e4d4a99,transparent 62%);pointer-events:none}
.fe-evid__in{position:relative;width:min(1560px,calc(100% - 64px));margin-inline:auto;display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:clamp(28px,5vw,88px);align-items:start}
.fe-evid__plot{--ph:clamp(260px,36vh,350px)}
.fe-evid__toolbar{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;margin-top:20px;padding-top:14px;border-top:1px solid #6bb68f44}
.fe-evid__toolbar .fe-evid__foot{margin:0;border-top:0;padding-top:0;flex:1;min-width:260px}
.fe-mode{border:1px solid #6bb68f99;padding:0;margin:0;display:inline-grid;grid-template-columns:auto auto}
.fe-mode legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.fe-mode label{position:relative;display:block}
.fe-mode input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.fe-mode span{display:flex;align-items:center;min-height:48px;padding:6px 20px;font-weight:750;font-size:1rem;color:#e8f2eb;transition:background-color .4s,color .4s}
.fe-mode input:checked+span{background:#f6f4ef;color:#072d2b}
.fe-mode input:focus-visible+span{outline:3px solid var(--fe-ochre-l);outline-offset:3px}
.fe-plot{display:grid;grid-template-columns:52px minmax(0,1fr);gap:12px}
.fe-plot__axis{list-style:none;margin:0;padding:0;position:relative;height:var(--ph)}
.fe-plot__axis li{position:absolute;right:0;top:calc((100 - var(--t)) * 1%);transform:translateY(-50%);font:600 12px var(--gft-font-mono);color:#b9d1c3}
.fe-plot__area{position:relative}
.fe-plot__area::before{content:'';position:absolute;left:0;right:0;top:0;height:var(--ph);background:repeating-linear-gradient(#6bb68f33 0 1px,transparent 1px calc(var(--ph) / 4));border-bottom:2px solid #8fd1ac;pointer-events:none}
.fe-plot__ref{position:absolute;left:0;right:0;top:0;z-index:2;border-top:2px dashed var(--fe-ochre-l);padding-top:5px;font:600 12px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;color:#f0cf8d;opacity:0;transition:opacity .4s;pointer-events:none;text-align:right}
.fe-evid[data-ref="1"] .fe-plot__ref{opacity:1}
.fe-plot__cols{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(12px,3vw,40px)}
.fe-gauge{display:grid;grid-template-rows:var(--ph) auto auto;gap:10px;border:0;background:transparent;padding:0;text-align:left;min-height:44px;align-content:start;color:#f6f4ef;cursor:pointer}
.fe-gauge__track{position:relative;background:#0d4542;overflow:hidden;transition:background .4s,box-shadow .4s}
.fe-evid[data-ref="1"] .fe-gauge__track{background:repeating-linear-gradient(135deg,#c98a2b66 0 6px,#0d4542 6px 12px)}
.fe-gauge__gap{position:absolute;left:50%;top:34px;transform:translateX(-50%);z-index:1;padding:4px 8px;background:#072d2b;border:1px solid var(--fe-ochre-l);font:600 12px var(--gft-font-mono);letter-spacing:.06em;color:#f0cf8d;white-space:nowrap;opacity:0;transition:opacity .4s}
.fe-evid[data-ref="1"] .fe-gauge__gap{opacity:1}
.fe-gauge__bar{position:absolute;inset:0;background:#6bb68f;transform-origin:50% 100%;transform:scaleY(var(--v));transition:background-color .5s}
.fe-gauge[aria-pressed=true] .fe-gauge__bar{background:#a6e0bf}
.fe-gauge[aria-pressed=true] .fe-gauge__track{box-shadow:0 0 0 4px var(--fe-ochre-l)}
.fe-gauge__val{font-size:clamp(1.8rem,2.8vw,2.8rem);font-weight:850;letter-spacing:-.05em;line-height:1;font-variant-numeric:tabular-nums;margin-top:6px;color:#fff}
.fe-gauge__name{font:600 12px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;color:#c9ded2}
.fe-gauge:focus-visible{outline:3px solid var(--fe-ochre-l);outline-offset:4px}
.fe-evid__foot{margin:20px 0 0;max-width:none;font:13px/1.6 var(--gft-font-mono);color:#c9ded2;border-top:1px solid #6bb68f44;padding-top:12px}
.fe-evid__read{display:grid;align-content:start;border-left:1px solid #6bb68f55;padding-left:clamp(20px,3vw,44px);min-height:min(480px,56vh)}
.fe-evid__read>.fe-signal{margin-bottom:14px;color:#b9d1c3}
.fe-evid__r{border-top:3px solid var(--fe-ochre-l);padding-top:14px;align-content:start;grid-row:2}
.fe-evid__r h3{margin:0 0 10px;font-size:clamp(1.5rem,2vw,2rem);color:#fff}.fe-evid__r p{font-size:1.0625rem;line-height:1.6;margin-bottom:10px;color:#dbe9e0}
.fe-evid .gft-cite{color:#e8f2eb}

/* ---------- 8. stress: dark band, large sliders, verdict dial ---------- */
.fe-stress__top{display:grid;gap:18px;margin-bottom:clamp(30px,4vw,56px)}
.fe-stress__top h2{max-width:none;font-size:clamp(2.8rem,6.2vw,6.4rem);margin-bottom:6px}
.fe-stress__top .fe-lede{max-width:70ch}
.fe-stress{display:grid;grid-template-columns:minmax(0,8fr) minmax(320px,4fr);gap:clamp(24px,4vw,64px);align-items:start}
.fe-srow{--sc:#8fd1ac;--lc:#8fd1ac;--p:0%;display:grid;grid-template-columns:minmax(260px,1fr) minmax(0,1.3fr);gap:20px 40px;align-items:center;padding:30px 0;border-top:1px solid #6bb68f55}
.fe-srow:last-child{border-bottom:1px solid #6bb68f55}
.fe-srow[data-lv="1"]{--sc:var(--fe-ochre-l);--lc:var(--fe-ochre-l);--p:33.3%}
.fe-srow[data-lv="2"]{--sc:#f0a06a;--lc:#f0a06a;--p:66.7%}
.fe-srow[data-lv="3"]{--sc:#ff9b85;--lc:#ff9b85;--p:100%}
.fe-srow__ctl{display:grid;gap:4px}
.fe-srow__ctl label{font-weight:800;font-size:1.4rem;letter-spacing:-.03em;color:#fff}
.fe-srow__ctl output{font:850 clamp(1.8rem,2.6vw,2.6rem)/1.12 var(--gft-font-display);letter-spacing:-.04em;color:var(--lc);min-height:1.2em;transition:color .4s}
.fe-srow__ctl .fe-range{--c:var(--sc);margin-top:6px}
.fe-srow__txt{font-size:1.0625rem;line-height:1.6;color:#dbe9e0}.fe-srow__txt b{display:block;font-size:1.0625rem;margin-bottom:4px;color:#fff}
.fe-verdict{--vc:#8fd1ac;position:sticky;top:96px;background:#0b3f3c;color:#f6f4ef;padding:28px;display:grid;gap:14px;border:1px solid #6bb68f66;border-top:6px solid var(--vc);transition:border-color .5s}
.fe-verdict[data-v="1"]{--vc:var(--fe-ochre-l)}.fe-verdict[data-v="2"]{--vc:#ff9b85}
.fe-verdict .fe-signal,.fe-verdict .fe-note{color:#b9d1c3}
.fe-verdict .fe-dial{max-width:380px;margin-inline:auto}
.fe-verdict__chip{font-size:clamp(1.7rem,2.4vw,2.4rem);font-weight:850;letter-spacing:-.04em;line-height:1.08;min-height:2.2em;color:var(--vc);transition:color .4s}
.fe-verdict__why{font-size:1.0625rem;line-height:1.6;color:#dbe9e0;min-height:5em}

/* ---------- 9. evidence matrix: three tabs, one large panel ---------- */
.fe-matrix{display:grid;grid-template-columns:minmax(0,4.2fr) minmax(0,7.8fr);gap:clamp(28px,4.5vw,72px);align-items:stretch}
.fe-matrix__lead{display:flex;flex-direction:column}
.fe-matrix__lead h2{margin:18px 0 18px;font-size:clamp(2.4rem,4.2vw,4.6rem)}
.fe-matrix__gauge{margin-top:auto;padding-top:20px;max-width:520px}
.fe-matrix__gauge .fe-dial{color:var(--fe-night)}
.fe-matrix__gauge .fe-dial__base,.fe-matrix__gauge .fe-dial__ticks path{stroke-opacity:.5}
.fe-matrix__gauge .fe-seg{stroke:#3f8f6b;stroke-opacity:.35}
.fe-matrix__gauge .fe-dial__label{fill:var(--fe-night);fill-opacity:1;font-size:17px}
.fe-matrix__gauge .fe-dial__key{color:var(--fe-mute)}
.fe-matrix__gauge .fe-dial__word{font-size:46px}
.fe-matrix__gauge .fe-dial--v[data-n="3"] .fe-dial__word{fill:var(--fe-forest)}
.fe-matrix__gauge .fe-dial--v[data-c0="1"] .fe-seg--0,.fe-matrix__gauge .fe-dial--v[data-c1="1"] .fe-seg--1,.fe-matrix__gauge .fe-dial--v[data-c2="1"] .fe-seg--2{stroke:#0e4d4a;stroke-opacity:1}
.fe-matrix__gauge .fe-dial--v[data-c0="1"] .fe-gate--0 .fe-gate__dot,.fe-matrix__gauge .fe-dial--v[data-c1="1"] .fe-gate--1 .fe-gate__dot,.fe-matrix__gauge .fe-dial--v[data-c2="1"] .fe-gate--2 .fe-gate__dot{fill:#0e4d4a}
.fe-matrix .fe-note{margin-top:12px}
.fe-mstage{display:flex;flex-direction:column}
.fe-mtabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.fe-mtab{display:grid;gap:6px;align-content:start;text-align:left;min-height:132px;padding:18px 20px;border:1px solid #0e4d4a88;border-bottom:0;background:#fff;color:var(--fe-ink);transition:background-color .4s,color .4s}
.fe-mtab strong{font-size:clamp(1.2rem,1.7vw,1.6rem);letter-spacing:-.035em;line-height:1.1}
.fe-mtab__row{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-top:auto;font:600 12px var(--gft-font-mono);letter-spacing:.06em;color:var(--fe-mute)}
.fe-mtab em{font-style:normal;text-transform:uppercase;letter-spacing:.1em;border:1px solid var(--fe-ochre);color:#7a4f10;padding:5px 9px;transition:background-color .4s,color .4s,border-color .4s}
.fe-mtab:hover{background:#f1f4f0}
.fe-mtab[aria-selected=true]{background:var(--fe-night);color:#f6f4ef;border-color:var(--fe-night)}
.fe-mtab[aria-selected=true] .fe-signal,.fe-mtab[aria-selected=true] .fe-mtab__row{color:#b9d1c3}
.fe-mtab[aria-selected=true] em{border-color:var(--fe-ochre-l);color:#f0cf8d}
.fe-mtab[data-cleared="1"] em{background:#8fd1ac;border-color:#8fd1ac;color:#072d2b}
.fe-mtab:focus-visible{outline:3px solid var(--fe-ochre);outline-offset:-3px}
.fe-mpanels{flex:1;display:flex;flex-direction:column;justify-content:space-between;gap:28px;background:var(--fe-night);color:#f6f4ef;padding:clamp(24px,3vw,42px);min-height:420px}
.fe-mpanels__stack{display:grid}
.fe-mpanel{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,52px);align-content:start}
.fe-mpanel h3{margin-bottom:14px;font-size:clamp(1.7rem,2.4vw,2.4rem);color:#fff}
.fe-mpanel__lead p{font-size:1.0625rem;line-height:1.65;color:#dbe9e0}
.fe-mpanel__list{border-left:1px solid #6bb68f55;padding-left:clamp(20px,3vw,40px)}
.fe-mpanel__list .fe-signal{color:#b9d1c3}
.fe-mpanel__list ul{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:4px}
.fe-mpanel__list label{display:flex;align-items:flex-start;gap:14px;min-height:56px;padding:10px 0;font-size:1.0625rem;line-height:1.45;cursor:pointer;color:#f2f7f3;border-bottom:1px solid #6bb68f33}
.fe-mpanel__list input{flex:none;width:26px;height:26px;margin-top:0;accent-color:#8fd1ac}
.fe-mpanels__foot{border-top:1px solid #6bb68f55;padding-top:20px;display:grid;gap:12px}
.fe-mpanels__foot .fe-signal{color:#b9d1c3;margin:0}
.fe-mpanels__gates{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.fe-mpanels__gates li{display:grid;gap:4px;padding:12px 14px;background:#0d4542;border:1px solid #6bb68f55;border-left:4px solid var(--fe-ochre-l)}
.fe-mpanels__gates li[data-cleared="1"]{border-left-color:#8fd1ac;background:#13554e}
.fe-mpanels__gates b{font:600 12px var(--gft-font-mono);letter-spacing:.1em;text-transform:uppercase;color:#b9d1c3}
.fe-mpanels__gates span{font-weight:750;font-size:1rem;color:#fff}
.fe-mpanels__gates em{font:600 12px var(--gft-font-mono);font-style:normal;color:var(--fe-ochre-l)}
.fe-mpanels__gates li[data-cleared="1"] em{color:#8fd1ac}
.fe-mpanels__rule{font:13px/1.55 var(--gft-font-mono);color:#c9ded2;margin:0;max-width:none}

/* ---------- 10. closing: the dial is the navigation ---------- */
.fe-close{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,88px);align-items:start}
.fe-close__dial{display:grid;gap:18px;position:sticky;top:96px;align-self:start}
.fe-close__line{font-size:1.25rem;line-height:1.5;color:#fff;font-weight:650;min-height:3em;text-align:center;margin-inline:auto}
.fe-close__sw{display:grid;grid-template-columns:1fr 1fr 1.35fr;gap:8px}
.fe-close__sw button{position:relative;display:flex;align-items:center;gap:9px;min-height:60px;padding:10px 12px;border:1px solid #6bb68f99;background:transparent;color:#e8f2eb;font-weight:700;font-size:1rem;text-align:left;transition:background-color .4s,color .4s,border-color .4s}
.fe-close__knob{flex:none;width:34px;height:22px;border:2px solid currentColor;position:relative}
.fe-close__knob::after{content:'';position:absolute;left:2px;top:2px;width:14px;height:14px;background:currentColor;transition:transform .4s var(--fe-ease)}
.fe-close__sw button[aria-checked=true]{background:#8fd1ac;color:#072d2b;border-color:#8fd1ac}.fe-close__sw button[aria-checked=true] .fe-close__knob::after{transform:translateX(12px)}
.fe-close__cards{display:grid;gap:30px}
.fe-close__cards .fe-signal{margin-bottom:12px}
.fe-close__threads{display:grid;gap:12px}
.fe-cd{--g:var(--fe-ochre-l);position:relative;display:grid;gap:4px;align-content:center;padding:18px 56px 18px 22px;border:1px solid #6bb68f66;border-left:5px solid var(--g);background:#ffffff0d;color:#f6f4ef;text-decoration:none;min-height:88px;transition:background-color .4s,border-color .4s}
.fe-cd[data-out="1"]{--g:#8fd1ac}.fe-cd[data-out="2"]{--g:var(--fe-indigo-l)}
.fe-cd .fe-signal{margin:0}
.fe-cd strong{font-size:1.1875rem;letter-spacing:-.02em;line-height:1.2;color:#fff}
.fe-cd--big{min-height:128px}
.fe-cd--big strong{font-size:clamp(1.8rem,2.8vw,2.8rem);letter-spacing:-.04em;line-height:1.08}
.fe-cd__arrow{position:absolute;right:20px;top:14px;font-size:1.6rem;transition:transform .4s var(--fe-ease)}
.fe-cd__gate{font:600 12px var(--gft-font-mono);letter-spacing:.06em;color:#b9d1c3}
a.fe-cd:hover,a.fe-cd:focus-visible{background:#6bb68f2e;border-color:var(--g)}
a.fe-cd:hover .fe-cd__arrow,a.fe-cd:focus-visible .fe-cd__arrow{transform:translate(5px,-5px)}
.fe-cd[data-lit="1"]{background:#8fd1ac26;border-color:#8fd1ac;border-left-color:#8fd1ac}
.fe-cd[data-lit="1"]::before{content:'Gate cleared, demonstration';position:absolute;right:58px;top:16px;font:600 12px var(--gft-font-mono);letter-spacing:.06em;color:#a6e0bf}
.fe-cd--off{border-style:dashed;border-left-style:dashed;--g:#6bb68f66}
.fe-close__rel{border-top:1px solid #6bb68f55}
.fe-close__rel summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;cursor:pointer;list-style:none}
.fe-close__rel summary::-webkit-details-marker{display:none}
.fe-close__rel summary .fe-signal{margin:0;font-size:13px}
.fe-close__count{font:600 14px var(--gft-font-mono);min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #6bb68f99;color:#e8f2eb}
.fe-close__rel[open] .fe-close__count{background:#f6f4ef;color:#072d2b}
.fe-close__rel summary:focus-visible{outline:3px solid var(--fe-ochre-l);outline-offset:3px}
.fe-close__grid{margin:12px 0 0;list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.fe-close__grid li{display:grid}
/* hover or focus on a card sends the needle to that card's gate */
.fe-close[data-h="0"] .fe-dial--v{--na:150}.fe-close[data-h="1"] .fe-dial--v{--na:90}.fe-close[data-h="2"] .fe-dial--v{--na:30}
.fe-close[data-h="0"] .fe-dial--v .fe-seg--0{stroke:var(--fe-ochre-l);stroke-opacity:1}
.fe-close[data-h="1"] .fe-dial--v .fe-seg--1{stroke:#8fd1ac;stroke-opacity:1}
.fe-close[data-h="2"] .fe-dial--v .fe-seg--2{stroke:var(--fe-indigo-l);stroke-opacity:1}

/* ---------- tablet ---------- */
@media(max-width:1100px){
 .fe-head,.fe-bound__top,.fe-strip__bar{grid-template-columns:1fr;gap:20px;align-items:start}
 .fe-inst,.fe-inter,.fe-evid__in,.fe-close,.fe-matrix{grid-template-columns:1fr}
 .fe-evid__read{border-left:0;padding-left:0;min-height:0}.fe-close__dial{position:static}
 .fe-inst__dial{margin-left:0;max-width:700px;margin-inline:auto;width:100%}
 .fe-gstat{margin-left:0}
 .fe-oblig__in{--w:min(400px,40vw);grid-template-columns:minmax(260px,330px) minmax(0,1fr) var(--w)}
 .fe-stress{grid-template-columns:1fr}.fe-verdict{position:static}
 .fe-srow{grid-template-columns:1fr;gap:14px}
 .fe-stage{padding:18px 10px}
 .fe-strip__out{grid-template-columns:1fr}
 .fe-sr{padding-right:0;border-right:0;border-bottom:1px solid #6bb68f44;padding-bottom:24px}
 .fe-define{grid-template-columns:1fr}.fe-flow,.fe-define__text{position:static}
 .fe-seq{grid-template-columns:minmax(0,54vw) minmax(0,1fr)}
 .fe-seq__card{padding-right:48px}
 .fe-seq__track{margin-left:-3vw}
 .fe-seq-chain{grid-template-columns:1fr}
 .fe-seq-chain__arr{display:none}
 .fe-mpanel{grid-template-columns:1fr}.fe-mpanel__list{border-left:0;padding-left:0;border-top:1px solid #6bb68f55;padding-top:20px}
}
@media(max-width:850px){
 [data-page="prog-a-feasibility"] .gft-splash{display:grid;grid-template-rows:auto 310px auto;min-height:0}
 [data-page="prog-a-feasibility"] .gft-splash__content{grid-row:1;padding-top:68px;padding-bottom:20px}
 [data-page="prog-a-feasibility"] .gft-splash h1{font-size:clamp(3.1rem,7.4vw,5rem);max-width:9.25em}
 [data-page="prog-a-feasibility"] .gft-splash__lede{max-width:32em}
 [data-page="prog-a-feasibility"] .gft-splash__structure{grid-row:2;position:relative;inset:auto;height:310px;min-width:0;display:grid;grid-template-rows:minmax(0,1fr) auto}
 [data-page="prog-a-feasibility"] .gft-splash__structure::after{display:none}
 [data-page="prog-a-feasibility"] .gft-splash__bottom{grid-row:3;margin-top:0}
 .fe-hero{min-height:0}.fe-hero__label{visibility:hidden}
 .fe-hero__key{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px 12px;margin:0 20px;padding:8px 0;font:600 12px/1.5 var(--gft-font-mono);color:#dce8de;text-align:center;letter-spacing:.08em;text-transform:uppercase;align-self:end}
 .fe-hero__key small{grid-column:1/-1;font-size:12px;color:#c9ded2;text-transform:none;letter-spacing:.02em}
}
/* ---------- phone ---------- */
@media(max-width:900px){
 .fe-wrap{width:calc(100% - 40px)}
 .fe-s{--fe-arc:30px}
 .fe-dial__label{display:none}
 .fe-dial__key{display:flex;justify-content:space-between;gap:6px;margin:6px 0 0;font:600 12px var(--gft-font-mono);letter-spacing:.06em;text-transform:uppercase;color:#cfe3d6}
 .fe-gstat{display:none}
 .fe-hero__pills{grid-template-columns:1fr}
 .fe-hero__readout em{margin-left:0}
 .fe-oblig__in{grid-template-columns:1fr;--w:min(420px,100%);width:calc(100% - 40px)}
 .fe-oblig__list{grid-template-rows:none;gap:8px}.fe-oblig__btn{padding-block:14px}
 .fe-oblig__threads{display:none}
 .fe-oblig__dial{grid-column:1;grid-row:auto;margin:22px auto 0;width:min(420px,100%)}
 .fe-strip__tog{grid-template-columns:1fr}
 .fe-loom{display:none}
 .fe-strip__row{grid-template-columns:1fr}
 .fe-stage{min-height:0;border-right:0;border-bottom:1px solid #0e4d4a2e;display:grid;grid-template-columns:auto 1fr auto;gap:2px 14px;align-items:center;padding:16px}
 .fe-stage__n{grid-row:1/3}.fe-stage strong{margin-top:0;grid-column:2}.fe-stage em{margin-top:0;grid-column:3;grid-row:1}.fe-stage small{grid-column:2/-1}
 .fe-stage::after{display:none}
 .fe-strip__marker{inset:0 auto auto 0;width:100%;height:calc(100% / 7);transform:translateY(300%)}
 .fe-strip[data-p="1"] .fe-strip__marker{transform:translateY(200%)}.fe-strip[data-p="2"] .fe-strip__marker{transform:translateY(100%)}
 .fe-strip__marker i{inset:-2px 0 auto 0;width:auto;height:4px}.fe-strip__marker i::before{left:-8px;top:50%;transform:translateY(-50%)}
 .fe-strip__out{padding:22px 18px}
 .fe-sr{min-height:0}
 .fe-sr__nodes{grid-template-columns:repeat(4,minmax(0,1fr))}
 .fe-deps{grid-template-columns:1fr}
 .fe-flow{min-height:0}
 .fe-flow__row{grid-template-columns:1fr}
 .fe-flow__arrow{width:2px;height:30px;justify-self:center}
 .fe-flow__arrow::after{right:-5px;top:auto;bottom:0;transform:rotate(135deg)}
 :root[data-m-go] .fe-define[data-sel] .fe-flow__arrow{animation-name:none}
 .fe-define__tabs{grid-template-columns:1fr}
 .fe-flow{border-right:1px solid #6bb68f66;position:static}
 .fe-flow__node{min-height:0}
 .fe-flow__lim{grid-template-columns:100px 1fr}
 .fe-seq{display:block}
 .fe-seq__pin{position:sticky;top:68px;z-index:5;margin-inline:-20px}
 .fe-seq__card{min-height:0;padding:10px 20px 12px;gap:6px;border-inline:0}
 .fe-seq__top{display:none}
 .fe-seq__card .fe-dial{max-height:140px;min-height:0}.fe-seq__card .fe-signal{display:none}.fe-seq__read{min-height:64px;padding:8px 12px}.fe-seq__r p{font-size:.9375rem;line-height:1.4}
 .fe-seq__tabs button{min-height:48px;font-size:.9375rem;padding:6px 10px}
 .fe-seq__track{margin-left:0;gap:24px;padding-top:20px}
 .fe-seq__intro,.fe-step{min-height:0;padding:20px 18px}
 .fe-step__head{grid-template-columns:1fr;gap:10px}
 .fe-step__num{justify-self:start;font-size:1.75rem;padding:6px 12px;min-width:0}
 .fe-step>p:not(.fe-signal){font-size:1.0625rem}
 .fe-viz-ticks li{grid-template-columns:32px 1fr}
 .fe-viz-ticks em{grid-column:2;justify-self:start}
 .fe-viz-shift__bar{grid-template-columns:1fr}
 .fe-viz-shift__meta{grid-template-columns:1fr}
 .fe-s--inter{min-height:0}.fe-inter__dial{position:static;width:min(260px,70%);margin:0 auto}
 .fe-evid-strip{grid-template-columns:1fr}
 .fe-evid__toolbar{flex-direction:column;align-items:stretch}
 .fe-mode{display:grid;grid-template-columns:1fr}
 .fe-plot{grid-template-columns:44px minmax(0,1fr)}
 .fe-evid__plot{--ph:240px}
 .fe-gauge__gap{top:10px;font-size:12px;white-space:normal;text-align:center;width:max-content;max-width:90%}
 .fe-mtabs{grid-template-columns:1fr;gap:6px}
 .fe-mtab{min-height:0;border-bottom:1px solid #0e4d4a88}
 .fe-mpanels{min-height:0}
 .fe-mpanels__gates{grid-template-columns:1fr}
 .fe-close__sw{grid-template-columns:1fr}
 .fe-close__grid{grid-template-columns:1fr}
 .fe-meta{grid-template-columns:1fr}
 .fe-tabs{grid-template-columns:1fr}
 .fe-s h2{font-size:clamp(2.3rem,10vw,3.2rem);max-width:14ch}
 .fe-bound__top h2,.fe-stress__top h2{max-width:14ch}
}
@media(max-width:540px){
 [data-page="prog-a-feasibility"] .gft-splash{grid-template-rows:auto 280px auto}
 [data-page="prog-a-feasibility"] .gft-splash__structure{height:280px}
 [data-page="prog-a-feasibility"] .gft-splash__content{padding-top:54px;padding-bottom:20px}
 [data-page="prog-a-feasibility"] .gft-splash h1,[data-page="prog-a-feasibility"] .gft-splash__lede{max-width:100%}
 [data-page="prog-a-feasibility"] .gft-splash h1{font-size:clamp(2.7rem,11.5vw,3.8rem);margin-top:20px}
 .fe-status{font-size:12px;padding-left:12px}.fe-hero__cta-row{gap:14px}
 .fe-hero__actions .gft-button{font-size:14px;padding:10px 14px;gap:18px}
 .fe-evid__plot{--ph:220px}
 .fe-plot__cols{gap:8px}
 .fe-mpanels{padding:22px 18px}
}
@media(prefers-reduced-motion:reduce){.fe-s *,.fe-s *::before{transition-duration:.01ms!important}}