@font-face{font-family:Inter;src:url('../fonts/inter-latin-wght-normal.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:Inter;src:url('../fonts/inter-latin-ext-wght-normal.woff2') format('woff2');font-weight:100 900;unicode-range:U+0100-024F;font-display:swap}
@font-face{font-family:Barlow;src:url('../fonts/barlow-condensed-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:Barlow;src:url('../fonts/barlow-condensed-latin-ext-600-normal.woff2') format('woff2');font-weight:600;unicode-range:U+0100-024F;font-display:swap}
@font-face{font-family:Barlow;src:url('../fonts/barlow-condensed-latin-700-normal.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:Barlow;src:url('../fonts/barlow-condensed-latin-ext-700-normal.woff2') format('woff2');font-weight:700;unicode-range:U+0100-024F;font-display:swap}
@font-face{font-family:Serif;src:url('../fonts/instrument-serif-latin-400-italic.woff2') format('woff2');font-style:italic;font-display:swap}
@font-face{font-family:Serif;src:url('../fonts/instrument-serif-latin-ext-400-italic.woff2') format('woff2');font-style:italic;unicode-range:U+0100-024F;font-display:swap}
@font-face{font-family:Serif;src:url('../fonts/instrument-serif-latin-400-normal.woff2') format('woff2');font-style:normal;font-display:swap}
@font-face{font-family:Plex;src:url('../fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2');font-display:swap}

:root{
  --bg:#07090b; --bg2:#0c0f12; --panel:rgba(10,12,15,.94); --solid:#0a0c0f; --solid2:#0d1013;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --ink:#ece9e3; --muted:#8f979e; --dim:#5d666e;
  --ember:#ff5a1f; --ember2:#ffb04a; --ember-ink:#1a0a03; --cyan:#6fd6e8;
  --low:#59d38c; --elevated:#e8c547; --high:#f08a3c; --critical:#ff4d4d;
  --mono:Plex,ui-monospace,SFMono-Regular,Menlo,monospace; --display:Barlow,'Arial Narrow',sans-serif; --serif:Serif,Georgia,serif;
  --ease:cubic-bezier(.2,.7,.1,1); --r:6px; --nav:64px; --left:300px; --right:340px;
  color-scheme:dark; font:14px/1.5 Inter,system-ui,sans-serif; color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav)}
body{margin:0;background:var(--bg)}
button,select,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;padding:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--ember);outline-offset:2px}
[hidden]{display:none!important}
svg{display:block}
sup{font-size:.7em;line-height:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:12px;top:-60px;z-index:60;background:var(--ember);color:var(--ember-ink);padding:8px 12px;border-radius:4px;text-decoration:none}
.skip:focus{top:12px}
.serif{font-style:normal;color:var(--ember)}
.eyebrow,.kicker{font:11px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0}

/* ---------- fixed 3D stage ---------- */
.stage-fixed{position:fixed;inset:0;z-index:0}
/* landing backdrop: one still per chapter, cross-faded by the compositor (opacity only) */
.backdrop{position:absolute;inset:0;background:#05070a;overflow:hidden}
.backdrop .bg{position:absolute;inset:0;opacity:0;transition:opacity .9s var(--ease)}
.backdrop .bg img{width:100%;height:100%;object-fit:cover;object-position:50% 50%;display:block}
body[data-section=hero] .bg[data-bg=hero],body[data-section=ch1] .bg[data-bg=ch1],body[data-section=ch2] .bg[data-bg=ch2],
body[data-section=ch3] .bg[data-bg=ch3],body[data-section=ch4] .bg[data-bg=ch4],body[data-section=investigations] .bg[data-bg=ch4],
body[data-section=sources] .bg[data-bg=ch4],body[data-section=boot] .bg[data-bg=hero]{opacity:1}
.viewport{position:absolute;inset:0;overflow:hidden;background:#000}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.vignette{position:absolute;inset:0;pointer-events:none;transition:opacity .8s var(--ease);
  background:linear-gradient(90deg,rgba(7,9,11,.92) 0%,rgba(7,9,11,.55) 34%,rgba(7,9,11,0) 62%),linear-gradient(0deg,rgba(7,9,11,.85),rgba(7,9,11,0) 38%)}
body[data-section=lab] .vignette{opacity:0}
.poster{position:absolute;inset:0;transition:opacity 1.2s var(--ease)}
.poster img{width:100%;height:100%;object-fit:cover;object-position:62% 50%;filter:saturate(.9) brightness(.7)}
.poster .bar{position:absolute;left:50%;bottom:28px;width:160px;height:1px;background:rgba(255,255,255,.15);transform:translateX(-50%)}
.poster .bar i{display:block;height:100%;width:0;background:var(--ember);transition:width .3s}
.poster.done{opacity:0;pointer-events:none}
.labels{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .4s}
body[data-section=lab] .labels{opacity:1}
body:not([data-section=lab]) .labels .marker{pointer-events:none}
.marker{position:absolute;left:0;top:0;width:11px;height:11px;pointer-events:auto;will-change:transform}
.marker .dot{display:block}
.marker .txt{position:absolute;left:17px;top:50%;margin-top:-10px;white-space:nowrap;pointer-events:none}
.marker .dot{width:11px;height:11px;border-radius:50%;border:2px solid #fff;background:rgba(10,13,16,.6);box-shadow:0 0 0 3px rgba(0,0,0,.35);transition:transform .2s var(--ease)}
.marker:hover .dot{transform:scale(1.3)}
.marker .txt{line-height:16px;font:11px/16px Inter,sans-serif;font-weight:550;background:rgba(9,12,15,.82);border:1px solid var(--line2);padding:2px 8px;border-radius:3px;opacity:0;transform:translateX(-4px);transition:.2s var(--ease)}
.marker:hover .txt,.marker.is-active .txt{opacity:1;transform:none}
.marker.is-active .dot{background:var(--ember);border-color:#ffd2bd;box-shadow:0 0 0 4px rgba(255,90,31,.22)}

/* ---------- navigation ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;height:var(--nav);display:flex;align-items:center;gap:32px;padding:0 clamp(16px,3vw,40px);transition:background .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(7,9,11,.72);border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font:700 17px/1 var(--display);letter-spacing:.2em;color:var(--ink)}
.links{display:flex;gap:26px;margin-left:12px}
.links a{position:relative;text-decoration:none;font-size:13px;color:var(--muted);transition:color .2s}
.links a:hover,.links a.is-on{color:var(--ink)}
.links a.is-on:after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--ember)}
.nav-end{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid var(--line2);border-radius:999px;overflow:hidden}
.lang button{padding:5px 10px;font:11px var(--mono);color:var(--muted)}
.lang button.is-on{background:rgba(255,255,255,.08);color:var(--ink)}

.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;padding:9px 16px;font-size:13px;font-weight:600;text-decoration:none;transition:transform .25s var(--ease),background .2s,border-color .2s,color .2s;white-space:nowrap}
.btn svg{width:15px;height:15px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-solid{background:var(--ink);color:#0a0a0a}
.btn-solid:hover{background:#fff}
.btn-line{border:1px solid var(--line2);color:var(--ink)}
.btn-line:hover{border-color:rgba(255,255,255,.4)}
.btn-lg{padding:14px 22px;font-size:14px}
.icon-btn{width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--line2);border-radius:50%;color:var(--ink);flex:none}
.icon-btn svg{width:15px;height:15px}
.icon-btn:hover{border-color:rgba(255,255,255,.4)}
.link{font-size:11px;color:var(--cyan);text-decoration:underline;text-underline-offset:2px;text-transform:none;letter-spacing:0;font-family:Inter,sans-serif;font-weight:500}

main{position:relative;z-index:1}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:calc(var(--nav) + 40px) clamp(16px,4vw,64px) 48px}
.kicker{display:flex;align-items:center;gap:10px;margin-bottom:22px;color:#b9b4ab}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--ember)}
.display{margin:0;font:700 clamp(58px,10.5vw,184px)/.84 var(--display);letter-spacing:-.01em;text-transform:uppercase}
.display .line{display:block;overflow:hidden;padding-bottom:.04em}
.display .line>*{display:inline-block}
.display .serif{font-size:.86em;letter-spacing:-.02em;color:var(--ember2);background:linear-gradient(90deg,var(--ember2),var(--ember));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;padding-right:.08em}
.lead{max-width:600px;margin:28px 0 0;font-size:clamp(15px,1.25vw,18px);line-height:1.6;color:#c9c5bd}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:56px 0 0;border-top:1px solid var(--line2)}
.stats div{padding:18px 22px 0 0;border-right:1px solid var(--line);margin-right:22px}
.stats div:last-child{border-right:0}
.stats dt{display:flex;align-items:baseline;gap:6px}
.stats b{font:700 46px/1 var(--display);letter-spacing:-.01em}
.stats small{font:11px var(--mono);color:var(--muted)}
.stats dd{margin:8px 0 0;font-size:12.5px;line-height:1.5;color:var(--muted);max-width:270px}
.scroll-cue{position:absolute;right:clamp(16px,4vw,64px);bottom:52px;width:22px;height:36px;border:1px solid var(--line2);border-radius:12px}
.scroll-cue span{position:absolute;left:50%;top:7px;width:2px;height:7px;margin-left:-1px;border-radius:1px;background:var(--ink);animation:cue 2s var(--ease) infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}

/* ---------- story chapters ---------- */
.story{position:relative}
.chapter{min-height:110vh;display:flex;align-items:center;padding:var(--nav) clamp(16px,4vw,64px)}
.card{max-width:470px;padding:30px 30px 26px;background:rgba(8,10,12,.9);border:1px solid var(--line);border-radius:10px}
.card .num{margin:0 0 18px;font:11px var(--mono);letter-spacing:.16em;color:var(--ember)}
.card h2{margin:0 0 16px;font:700 clamp(34px,3.6vw,52px)/.95 var(--display);text-transform:uppercase}
.card h2 .serif{display:block;color:var(--ember)}
.card p{margin:0;color:#c3bfb7;font-size:15px;line-height:1.65}
.card .src{margin-top:18px;font:10.5px var(--mono);color:var(--dim);letter-spacing:.04em}

/* ---------- reveal motion ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.display .line.reveal{opacity:1;transform:none}
.display .line.reveal>*{transform:translateY(105%);transition:transform 1.15s var(--ease)}
.display .line.reveal.in>*{transform:none}
.display .line:nth-child(2)>*{transition-delay:.12s}
.cta-row.reveal{transition-delay:.25s}.stats.reveal{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal,.display .line.reveal>*{opacity:1!important;transform:none!important;transition:none!important}.scroll-cue span{animation:none}*{transition-duration:.01ms!important}}

/* ---------- lab ---------- */
.lab{position:relative;height:100vh;height:100svh;min-height:660px;display:grid;grid-template-columns:var(--left) minmax(0,1fr) var(--right);padding-top:var(--nav);pointer-events:none}
.lab>*{min-height:0}
.panel{pointer-events:auto;overflow-y:auto;overflow-x:hidden;background:var(--panel);scrollbar-width:thin;scrollbar-color:#2b343d transparent}
.panel.left{border-right:1px solid var(--line)}
.panel.right{border-left:1px solid var(--line)}
.panel-head{padding:18px 16px 10px}
.panel-head h2{margin:2px 0 0;font:700 26px/1 var(--display);text-transform:uppercase;letter-spacing:.02em}
.block{padding:14px 16px;border-bottom:1px solid var(--line)}
.h{display:flex;align-items:center;gap:8px;margin:0 0 11px;font:600 12.5px var(--display);letter-spacing:.12em;text-transform:uppercase;color:#d8d4cd}
.h .idx{font:10px var(--mono);color:var(--ember);letter-spacing:0}
.h .link,.h3 .link{margin-left:auto}
.h3{display:flex;align-items:baseline;gap:8px;margin:0 0 8px;font:600 12px var(--display);letter-spacing:.1em;text-transform:uppercase;color:#d8d4cd}
.h3 small{font:10px var(--mono);letter-spacing:.02em;text-transform:none;color:var(--dim)}

.env-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.env{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:8px 9px 8px 34px;border:1px solid var(--line);border-radius:var(--r);background:rgba(255,255,255,.02);text-align:left;min-height:46px;transition:border-color .2s,background .2s}
.env:hover{border-color:var(--line2)}
.env[aria-checked=true]{border-color:var(--ember);background:rgba(255,90,31,.07)}
.env .orb{position:absolute;left:9px;top:10px;width:17px;height:17px;border-radius:50%}
.env b{font-size:11.5px;font-weight:600;line-height:1.2}
.env small{font:10px var(--mono);color:var(--muted)}
.env:last-child{grid-column:1/-1}
.env-facts{display:grid;grid-template-columns:1fr auto;gap:3px 10px;margin:10px 0 0;font-size:11px}
.env-facts dt{color:var(--muted)}
.env-facts dd{margin:0;font-family:var(--mono);text-align:right}
.chips{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px}
.chip{border:1px solid var(--line2);border-radius:20px;padding:3px 9px;font:10.5px var(--mono);color:var(--muted)}
.chip:hover{color:var(--ink)}
.chip.is-on{border-color:var(--ember);color:var(--ember2)}
.field{margin:0 0 11px}
.field>label,.field>.label{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px;font-size:11.5px;color:#cbc7c0;font-weight:500}
.field output{font:12px var(--mono);color:var(--ink)}
.field output small{color:var(--dim);margin-left:4px}
.hint{margin:5px 0 0;font-size:10.5px;color:var(--dim);line-height:1.35}
.derived{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);padding-top:2px}
.derived b{font:12px var(--mono);color:var(--ink);font-weight:400}
select{width:100%;appearance:none;background:rgba(0,0,0,.35) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238f979e' fill='none' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 10px center/10px 6px;border:1px solid var(--line2);border-radius:5px;padding:7px 28px 7px 9px;font-size:12px}
select option{background:#111}
input[type=range]{width:100%;height:18px;margin:0;background:transparent;appearance:none;cursor:pointer;--fill:50%}
input[type=range]::-webkit-slider-runnable-track{height:2px;border-radius:2px;background:linear-gradient(90deg,var(--ember) var(--fill),rgba(255,255,255,.14) var(--fill))}
input[type=range]::-moz-range-track{height:2px;border-radius:2px;background:linear-gradient(90deg,var(--ember) var(--fill),rgba(255,255,255,.14) var(--fill))}
input[type=range]::-webkit-slider-thumb{appearance:none;width:13px;height:13px;margin-top:-5.5px;border-radius:50%;background:#f4f1ec;border:2px solid var(--bg);box-shadow:0 0 0 1px rgba(255,255,255,.3)}
input[type=range]::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:#f4f1ec;border:2px solid var(--bg)}
.band{position:relative;height:3px;margin-top:3px}
.band span{position:absolute;top:0;height:3px;background:repeating-linear-gradient(90deg,var(--cyan) 0 3px,transparent 3px 5px);opacity:.75}
.switch{position:relative;display:flex;align-items:center;gap:9px;margin:2px 0 12px;cursor:pointer;font-size:11.5px;color:#cbc7c0}
.switch input{position:absolute;left:0;top:50%;margin:0;opacity:0;width:1px;height:1px}
.switch span{position:relative;flex:none;width:28px;height:16px;border-radius:9px;background:rgba(255,255,255,.14);transition:.15s}
.switch span:after{content:'';position:absolute;left:2px;top:2px;width:12px;height:12px;border-radius:50%;background:#d8d4cd;transition:.15s}
.switch input:checked+span{background:var(--ember)}
.switch input:checked+span:after{left:14px;background:#fff}
.switch input:focus-visible+span{outline:2px solid var(--ember);outline-offset:2px}
.switch b{font-weight:500}
.seg{display:flex;border:1px solid var(--line2);border-radius:5px;overflow:hidden;background:rgba(0,0,0,.25)}
.seg button{flex:1;padding:6px;font-size:11.5px;font-weight:550;color:var(--muted);border-right:1px solid var(--line);white-space:nowrap}
.seg button:last-child{border-right:0}
.seg button:hover{color:var(--ink)}
.seg button[aria-checked=true]{background:rgba(255,255,255,.08);color:var(--ink);box-shadow:inset 0 -2px var(--ember)}
.seg.small{background:rgba(8,10,12,.7);}
.seg.small button{padding:6px 11px;font-size:11px}

.lab-center{position:relative}
.lab-center>*{pointer-events:auto}
.hud-tl{position:absolute;left:18px;top:16px;pointer-events:none;text-shadow:0 1px 10px #000}
.hud-tag{display:flex;align-items:center;gap:7px;font:10.5px var(--mono);letter-spacing:.12em;color:#d2cdc4;text-transform:uppercase}
.hud-tag i{width:6px;height:6px;border-radius:50%;background:var(--ember)}
.hud-sub{font:11px var(--mono);color:#aaa59c;margin-top:4px}
.hud-tr{position:absolute;right:14px;top:14px;display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.zoom-hint{margin:0;font:10px var(--mono);color:var(--dim);text-shadow:0 1px 6px #000}
.hud-readout{position:absolute;left:18px;bottom:74px;display:flex;gap:6px;pointer-events:none}
.hud-readout div{background:rgba(8,10,12,.72);border:1px solid var(--line);border-radius:5px;padding:6px 10px;min-width:88px}
.hud-readout span{display:block;font:9.5px var(--mono);color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.hud-readout b{font:500 15px var(--mono)}
.legend{position:absolute;right:14px;bottom:74px;background:rgba(8,10,12,.8);border:1px solid var(--line);border-radius:5px;padding:7px 10px;font:10px var(--mono);color:var(--muted);width:220px}
.legend .ramp{height:6px;border-radius:3px;margin:5px 0 3px}
.legend .ends{display:flex;justify-content:space-between}
.transport{position:absolute;left:12px;right:12px;bottom:12px;display:flex;align-items:center;gap:12px;height:52px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:rgba(8,10,12,.78);}
.play{width:32px;height:32px;border-radius:50%;background:var(--ink);color:#0a0a0a;display:grid;place-items:center;flex:none}
.play svg{width:13px;height:13px;fill:currentColor}
.track{position:relative;flex:1;min-width:0}
.events{position:absolute;left:0;right:0;top:-9px;height:8px}
.events i{position:absolute;top:0;width:2px;height:8px;border-radius:1px;transform:translateX(-1px)}
.events i:after{content:attr(data-l);position:absolute;bottom:10px;left:50%;transform:translateX(-50%);font:9px var(--mono);color:var(--muted);white-space:nowrap;opacity:0;transition:.15s}
.track:hover .events i:after{opacity:1}
.clock{font:12px var(--mono);color:var(--muted);display:flex;gap:4px}
.clock b{color:var(--ink);font-weight:400}
.speed{font:11px var(--mono);border:1px solid var(--line2);border-radius:999px;padding:4px 9px;color:var(--muted)}
.speed:hover{color:var(--ink)}

.verdict{padding:16px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--vbg,rgba(255,255,255,.03)),transparent);border-left:2px solid var(--vc,var(--line2))}
.v-level{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}
.v-level span{font:700 24px/1 var(--display);letter-spacing:.06em;text-transform:uppercase;color:var(--vc,var(--ink))}
.v-level small{font:10.5px var(--mono);color:var(--muted)}
.verdict p{margin:8px 0 0;font-size:12px;color:#cbc7c0;line-height:1.55}
.metrics{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.metric{background:rgba(12,15,18,.95);padding:7px 8px;min-width:0}
.metric span{display:block;font-size:9.5px;color:var(--muted);line-height:1.25;min-height:2.5em}
.metric b{display:block;font:500 15px/1.2 var(--mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.metric b small{font-size:10px;color:var(--muted);margin-left:2px}
.metric.warn b{color:var(--high)}.metric.bad b{color:var(--critical)}.metric.good b{color:var(--low)}
.chart{width:100%;height:auto;overflow:visible}
.chart text{font:9px Plex,monospace;fill:#7f8a93}
.chart .grid{stroke:rgba(255,255,255,.06)}
.chart-legend{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:6px;font:10px var(--mono);color:var(--muted)}
.chart-legend i{display:inline-block;width:12px;height:2px;margin-right:5px;vertical-align:middle}
.log{list-style:none;margin:0;padding:0;font-size:11.5px}
.log li{display:grid;grid-template-columns:44px 10px 1fr;gap:6px;align-items:baseline;padding:3px 0;border-bottom:1px dashed rgba(255,255,255,.06);color:#cbc7c0}
.log li:last-child{border-bottom:0}
.log time{font:11px var(--mono);color:var(--muted)}
.log i{width:7px;height:7px;border-radius:50%;align-self:center}
.log li.future{opacity:.42}

/* ---------- solid sections ---------- */
.solid{position:relative;background:var(--solid);border-top:1px solid var(--line);padding:clamp(72px,10vw,140px) 0}
.solid.alt{background:var(--solid2)}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(16px,4vw,48px)}
.wrap.two{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,6vw,96px);align-items:start}
.section-head{max-width:720px;margin-bottom:40px}
.display-sm{margin:14px 0 18px;font:700 clamp(40px,5.4vw,80px)/.92 var(--display);text-transform:uppercase}
.display-sm .serif{color:var(--ember)}
.lead-sm{margin:0;color:#b8b3aa;font-size:16px;line-height:1.65;max-width:620px}
.method{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid var(--line)}
.method li{display:grid;grid-template-columns:170px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13.5px;color:#b8b3aa}
.method b{font:600 12px var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);padding-top:2px}
.refs{list-style:none;margin:0 0 24px;padding:0}
.refs li{padding:16px 0;border-bottom:1px solid var(--line)}
.refs li:first-child{border-top:1px solid var(--line)}
.refs a{display:block;color:var(--ink);text-decoration:none;font-size:15px;line-height:1.4;transition:color .2s}
.refs a:hover{color:var(--ember2)}
.refs small{display:block;font:10.5px var(--mono);color:var(--dim);margin-top:6px}

.dash-form{display:grid;grid-template-columns:1fr 1fr 1.3fr auto;align-items:end;gap:12px;padding:16px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.02);margin-bottom:12px}
.dash-form label{display:flex;flex-direction:column;gap:6px;font-size:11.5px;color:#cbc7c0;font-weight:500}
.dash-form input{background:rgba(0,0,0,.35);border:1px solid var(--line2);border-radius:5px;padding:7px 9px;font-size:12px}
.dash-status{margin:8px 0;font:11px var(--mono);color:var(--muted)}
.evidence{border-left:2px solid var(--ember);padding:8px 14px;margin:0 0 18px;background:rgba(255,255,255,.02);font-size:12.5px;color:#aeb8bf}
.evidence summary{cursor:pointer;color:var(--ink)}
.evidence h3{font-size:12.5px;margin:8px 0 4px}
.evidence p{margin:4px 0}
.dash-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:22px}
.dash-card{border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;flex-direction:column;gap:8px;background:rgba(255,255,255,.015);transition:border-color .25s,transform .35s var(--ease)}
.dash-card:hover{border-color:var(--line2);transform:translateY(-2px)}
.dash-card h3{margin:0;font:700 22px/1 var(--display);text-transform:uppercase;letter-spacing:.02em}
.dash-card p{margin:0;font-size:12.5px;color:#aeb4b8;line-height:1.5}
.dash-card .score{font:10.5px var(--mono);color:var(--ember2)}
.dash-card label{display:flex;gap:7px;align-items:center;font-size:12px;color:#cbc7c0;margin-top:4px}
.dash-card input{accent-color:var(--ember)}
.dash-card a{margin-top:auto;font-size:11px;color:var(--cyan)}
.dash-compare{overflow-x:auto;margin-top:18px}
.dash-compare table{border-collapse:collapse;width:100%;font-size:12px}
.dash-compare caption{text-align:left;padding:6px 0;color:var(--muted);font-size:11px}
.dash-compare td,.dash-compare th{text-align:left;vertical-align:top;padding:8px;border:1px solid var(--line);min-width:90px}
.dash-compare th{color:var(--ember2);font-weight:600}

.foot{position:relative;background:#050607;border-top:1px solid var(--line);padding:36px 0}
.foot-in{display:flex;align-items:center;gap:24px;font-size:12px;color:var(--muted)}
.foot-in p{margin:0;flex:1}
.foot-in a{color:var(--ink)}

/* ---------- drawers ---------- */
.drawer{position:fixed;inset:0 0 0 auto;margin:0;height:100%;max-height:none;width:min(560px,100%);border:0;border-left:1px solid var(--line2);padding:0;background:#0b0e11;color:var(--ink);display:none;flex-direction:column}
.drawer[open]{display:flex;animation:slide .3s var(--ease)}
.drawer::backdrop{background:rgba(0,0,0,.55);}
@keyframes slide{from{transform:translateX(40px);opacity:0}}
.drawer header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.drawer h2{margin:0;font:700 20px var(--display);letter-spacing:.06em;text-transform:uppercase}
.drawer-intro{margin:0;padding:12px 18px;font-size:12.5px;color:var(--muted);border-bottom:1px solid var(--line)}
.research-list{overflow-y:auto;padding:6px 18px 18px;flex:1}
.rcard{display:block;width:100%;text-align:left;padding:12px 0;border-bottom:1px solid var(--line)}
.rcard:hover h4{color:var(--ember2)}
.rcard h4{margin:0 0 4px;font-size:13px;font-weight:600;line-height:1.35}
.rcard p{margin:0;font-size:12px;color:#aeb4b8;line-height:1.45;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rcard .meta{display:flex;gap:8px;margin-top:5px;font:10px var(--mono);color:var(--dim)}
.badge{font:9.5px var(--mono);padding:1px 6px;border-radius:3px;border:1px solid currentColor}
.badge.curated{color:var(--ember2)}.badge.collected{color:var(--muted)}
.record{overflow-y:auto;padding:16px 18px;flex:1}
.record h3{margin:8px 0 6px;font-size:16px;line-height:1.3}
.record p{font-size:12.5px;color:#cbc7c0;line-height:1.6}
.record table{width:100%;border-collapse:collapse;font-size:11.5px;margin-top:8px}
.record td{padding:4px 6px;border-bottom:1px solid var(--line)}
.record td:nth-child(2){font-family:var(--mono);text-align:right;white-space:nowrap}
.record a{color:var(--cyan)}
.chat{flex:1;overflow-y:auto;padding:14px 18px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:92%;padding:9px 12px;border-radius:8px;font-size:12.5px;line-height:1.55}
.msg.user{align-self:flex-end;background:rgba(255,90,31,.1);border:1px solid rgba(255,90,31,.25);white-space:pre-wrap}
.msg.assistant{align-self:flex-start;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.msg.assistant p{margin:0 0 .5em}
.msg pre{white-space:pre-wrap;font:11px var(--mono);color:var(--muted);margin:6px 0 0}
.msg.pending{color:var(--muted);font-style:italic}
.chat-form{display:flex;flex-direction:column;gap:8px;padding:12px 18px;border-top:1px solid var(--line)}
.chat-opts{display:flex;align-items:center;gap:10px;font-size:11.5px;color:var(--muted)}
.chat-opts select{width:auto;padding:5px 26px 5px 8px}
.chat-row{display:flex;gap:8px;align-items:stretch}
.chat-row textarea{flex:1;resize:none;background:rgba(0,0,0,.35);border:1px solid var(--line2);border-radius:8px;padding:9px 11px;font-size:12.5px}

/* ---------- responsive ---------- */
@media (max-width:1280px){:root{--left:280px;--right:310px}.metric b{font-size:13.5px}}
@media (max-width:1100px){.stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:18px}.stats div:nth-child(2){border-right:0}.dash-grid{grid-template-columns:1fr 1fr}.wrap.two{grid-template-columns:1fr}}
@media (max-width:900px){
  :root{--nav:56px}
  .links{display:none}
  .vignette{background:linear-gradient(180deg,rgba(7,9,11,.35),rgba(7,9,11,.72) 45%,rgba(7,9,11,.94))}
  .chapter{min-height:100vh;align-items:flex-end;padding-bottom:12vh}
  .lab{display:flex;flex-direction:column;height:auto;min-height:0;padding-top:var(--nav)}
  .lab-center{height:64vh;min-height:420px;order:-1}
  .panel{overflow:visible;background:var(--solid);border:0}
  .panel.right{border-top:1px solid var(--line)}
  .hud-readout{display:none}
  .dash-form{grid-template-columns:1fr 1fr}
  .method li{grid-template-columns:1fr;gap:4px}
  .foot-in{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .nav .btn-solid span{display:none}
  .stats{grid-template-columns:1fr 1fr}.stats b{font-size:36px}.stats div{margin-right:12px;padding-right:12px}
  .scroll-cue{display:none}
  .hud-tr{left:8px;right:8px;align-items:stretch}.seg.small button{padding:6px 4px}
  .zoom-hint{display:none}
  .transport{gap:8px}.speed{display:none}
  .metrics,.dash-grid,.dash-form{grid-template-columns:1fr 1fr}
  .dash-grid{grid-template-columns:1fr}
}

/* ---------- hero wordmark ---------- */
.wordmark{margin:0;font:700 clamp(96px,17vw,300px)/.8 var(--display);letter-spacing:.01em;text-transform:uppercase}
.wordmark .line{display:block;overflow:hidden;padding-bottom:.03em}
.wordmark .line>*{display:inline-block}
.wordmark .line:nth-child(2)>*{color:transparent;-webkit-text-stroke:1.5px rgba(236,233,227,.9)}
.wordmark .line.reveal{opacity:1;transform:none}
.wordmark .line.reveal>*{transform:translateY(105%);transition:transform 1.3s var(--ease)}
.wordmark .line.reveal.in>*{transform:none}
.wordmark .line:nth-child(2)>*{transition-delay:.14s}
.hero-meta{display:flex;align-items:center;gap:14px;margin-top:26px;font:12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#bdb8af}
.hero-meta i{width:36px;height:1px;background:var(--ember)}
.hero-meta.reveal{transition-delay:.3s}
.stats.reveal{transition-delay:.5s}
.stats b{font-variant-numeric:tabular-nums}
@media (prefers-reduced-motion:reduce){.wordmark .line.reveal>*{transform:none!important;transition:none!important}}
@media (max-width:560px){.hero-meta{flex-wrap:wrap;gap:8px;font-size:10.5px}.hero-meta i{display:none}}

/* ---------- landing: drag the module through the empty parts of the story ---------- */
.hero,.story,.chapter{pointer-events:none}
.hero>*,.chapter>*{pointer-events:auto}
.hero .wordmark{pointer-events:none}
.chapter.right{justify-content:flex-end}
.card .btn{margin-top:22px}
body:not(.app) #gl{cursor:grab}
body:not(.app) #gl:active{cursor:grabbing}

/* ---------- the lab page: a full-screen app ---------- */
body.app{overflow:hidden}
@media (min-width:901px){html:has(body.app){overflow:hidden;height:100%}}
.topbar{position:relative;z-index:5;height:56px;display:flex;align-items:center;gap:24px;padding:0 18px;border-bottom:1px solid var(--line);background:#090b0d}
.topbar .links{margin-left:6px}
.product{display:flex;flex-direction:column;line-height:1.1;padding-left:18px;border-left:1px solid var(--line)}
.product b{font:600 14px var(--display);letter-spacing:.08em;text-transform:uppercase}
.product span{font:10px var(--mono);color:var(--muted);letter-spacing:.12em}
body.app .lab{height:calc(100vh - 56px);height:calc(100dvh - 56px);min-height:560px;padding-top:0;pointer-events:auto}
body.app .panel{background:#0b0e11;}
body.app .panel-head h1{margin:2px 0 0;font:700 26px/1 var(--display);text-transform:uppercase;letter-spacing:.02em}
body.app .lab-center{background:#000;overflow:hidden}
body.app .labels{opacity:1}
body.app .refs li{padding:8px 0}
body.app .refs a{font-size:12.5px}
.loader{position:absolute;inset:0;display:grid;place-content:center;gap:10px;justify-items:center;background:linear-gradient(rgba(5,6,7,.55),rgba(5,6,7,.85)),url('../assets/img/poster_mars.webp') center/cover,#050607;font:11px var(--mono);color:var(--muted);transition:opacity .6s;z-index:3}
.loader.done{opacity:0;pointer-events:none}
.loader .bar{width:200px;height:2px;background:rgba(255,255,255,.12)}
.loader .bar i{display:block;height:100%;width:0;background:var(--ember);transition:width .2s}
@media (max-width:1100px){.topbar .links{display:none}}
@media (max-width:900px){
  body.app{overflow:auto}
  body.app .lab{display:flex;flex-direction:column;height:auto}
  body.app .lab-center{height:62vh;min-height:400px;order:-1}
  .product{display:none}
}

body[data-section=ch4] .vignette{transform:scaleX(-1)}

.scroll-cue{display:none}
.dash-card:hover{transform:none}

.coverage{font-size:11.5px}
.cov-status{margin:0 0 8px;padding:7px 9px;border-radius:5px;line-height:1.45}
.cov-status.ok{background:rgba(111,214,232,.08);border-left:2px solid var(--cyan);color:#cfe9ee}
.cov-status.gap{background:rgba(255,90,31,.08);border-left:2px solid var(--ember);color:#ecd6cc}
.cov-row{display:flex;flex-direction:column;gap:1px;padding:5px 0;border-bottom:1px dashed rgba(255,255,255,.06)}
.cov-row b{font:500 11.5px var(--mono);color:var(--ink)}
.cov-row span{color:var(--muted);font-size:11px;overflow-wrap:anywhere}
.cov-row i{font:normal 10px var(--mono);letter-spacing:.04em;margin-top:2px}
.cov-row i.cov-ok{color:var(--low,#59d38c)}
.cov-row i.cov-ok:before{content:'✓ '}
.cov-row i.cov-open{color:var(--ember)}
.insights-title{margin:12px 0 4px;color:var(--ink);font-size:12px;font-weight:600}
.insights-habitat{margin:7px 0 3px;color:var(--ink);font-size:11px}
.insight{margin:4px 0 8px;color:var(--muted);font-size:11px;line-height:1.45;overflow-wrap:anywhere}
.insight-citations{display:block;margin-top:2px}
.insight-citations a{color:var(--cyan)}
.cov-note{margin:8px 0 0;color:var(--muted);font-size:11px}
.cov-row a.psi-link{color:inherit;text-decoration:none}
.cov-row a.psi-link:hover,.cov-row a.psi-link:focus-visible{text-decoration:underline;color:var(--cyan)}
.cov-earth{margin-top:3px;font-size:11px}
.cov-earth summary{cursor:pointer;color:var(--cyan);font:normal 10px var(--mono);letter-spacing:.04em}
.cov-earth blockquote{margin:5px 0 3px;padding-left:8px;border-left:2px solid rgba(111,214,232,.35);color:var(--muted);line-height:1.45}
.cov-earth a{color:var(--cyan);font-size:10px}

/* ---------- centred hero ---------- */
.hero{justify-content:flex-start;align-items:center;text-align:center;padding-top:calc(var(--nav) + 9vh)}
.hero .kicker{justify-content:center}
.hero .wordmark{font-size:clamp(64px,13.5vw,236px);line-height:.86;letter-spacing:.005em}
.hero .wordmark .line>span{color:var(--ink)}
.hero .wordmark b{font-weight:700;margin-left:.22em;color:transparent;-webkit-text-stroke:1.5px rgba(236,233,227,.92)}
.hero .wordmark .line:nth-child(2)>*{color:inherit;-webkit-text-stroke:0}
.hero-meta{justify-content:center}
.hero .cta-row{justify-content:center}
body[data-section=hero] .vignette{background:radial-gradient(120% 70% at 50% 18%,rgba(7,9,11,.82),rgba(7,9,11,.35) 55%,rgba(7,9,11,.15)),linear-gradient(0deg,rgba(7,9,11,.7),rgba(7,9,11,0) 30%)}
.numbers{position:relative;padding:0 clamp(16px,4vw,64px) 14vh;pointer-events:none}
.numbers .stats{margin:0 auto;max-width:1240px;pointer-events:auto;background:rgba(7,9,11,.82);border:1px solid var(--line);border-radius:10px;padding:6px 22px 18px}
.numbers .stats div:last-child{margin-right:0}
@media (max-width:560px){.hero .wordmark b{display:block;margin-left:0}.hero{padding-top:calc(var(--nav) + 6vh)}}