:root{--font-display: "Fraunces", "Times New Roman", serif;--font-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;--t-hero: clamp(2.5rem, 5.6vw, 4.75rem);--t-display-xl: clamp(2.75rem, 6vw, 5.25rem);--t-display-l: clamp(2.25rem, 4.6vw, 3.9375rem);--t-display-m: clamp(1.9rem, 3.4vw, 2.9375rem);--t-title: clamp(1.5rem, 2.4vw, 2.25rem);--t-subtitle: clamp(1.25rem, 1.8vw, 1.6875rem);--t-body: clamp(1.0625rem, 1.15vw, 1.25rem);--t-caption: .9375rem;--t-micro: .75rem;--bio: #5ff2c8;--bio2: #8fd8ff;--warm: #ffc97a;--text-hi: #f2fafb;--text-lo: #7c97a6;--ink-deep: #052e37;--gutter: clamp(1.5rem, 5vw, 7rem);--stack: clamp(1rem, 2vw, 1.75rem);--measure: 62ch;--radius: 3px;--ease-water: cubic-bezier(.22, .61, .18, 1);--ease-drift: cubic-bezier(.4, 0, .6, 1);--depth: 0;--depth-norm: 0;--agitation: 0;--cursor-x: 50vw;--cursor-y: 50vh;--flood: clamp(0, calc((var(--depth) - 6000) / 700), 1);--chrome-mix: calc(clamp(0, calc(var(--depth-norm) * 3.4), 1)*100%) ;--chrome-ink: color-mix(in srgb, #063843, #dff6f8 var(--chrome-mix));--chrome-faint: color-mix(in srgb, #063843, #cfeef2 var(--chrome-mix))}@property --ray-wobble{syntax: "<number>"; inherits: true; initial-value: 0;}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{font-family:var(--font-body);font-size:var(--t-body);line-height:1.65;color:var(--text-hi);background:#06192e;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{font-family:var(--font-display);font-weight:400;line-height:1.04;letter-spacing:-.015em;font-optical-sizing:auto;text-wrap:balance}em{font-style:italic}p{text-wrap:pretty}[data-mono]{font-family:var(--font-mono);font-weight:400;letter-spacing:.02em}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}a{color:inherit;text-decoration:none}:focus-visible{outline:1.5px solid var(--bio);outline-offset:3px;border-radius:2px}.skip-link{position:fixed;top:-60px;left:1rem;z-index:200;padding:.6rem 1rem;background:#041019;color:var(--text-hi);font-family:var(--font-mono);font-size:var(--t-caption);border-radius:var(--radius);transition:top .2s var(--ease-water)}.skip-link:focus{top:1rem}.rise{opacity:1}@supports (animation-timeline: view()){@media(prefers-reduced-motion:no-preference){.rise{opacity:0;animation:rise-in both;animation-timeline:view();animation-range:entry 6% cover 40%;will-change:opacity,transform}.part-manifest .rise{animation-range:entry 2% cover 30%}}}@keyframes rise-in{0%{opacity:0;transform:translate3d(0,2.2rem,0) scale(.99)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.rise{opacity:1!important;transform:none!important;animation:none!important}}.env{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}#bg-gradient,.bg-layer{position:absolute;inset:0}#rays{position:absolute;inset:-5% -10% auto;height:78vh;opacity:clamp(0,calc((1600 - var(--depth)) / 1600),1);animation:ray-shimmer 7s var(--ease-drift) infinite;mix-blend-mode:screen}#rays span{position:absolute;top:-12%;width:8vw;height:120%;background:linear-gradient(to bottom,rgba(255,255,255,.34),rgba(220,250,252,.08) 42%,transparent 78%);transform-origin:top center;transform:rotate(12deg) skew(calc(var(--ray-wobble) * var(--agitation) * 5deg));-webkit-mask-image:linear-gradient(to right,transparent,#000 34%,#000 66%,transparent);mask-image:linear-gradient(to right,transparent,#000 34%,#000 66%,transparent)}#rays span:nth-child(1){left:6%;width:5vw;opacity:.9}#rays span:nth-child(2){left:22%;width:9vw;opacity:.6}#rays span:nth-child(3){left:40%;width:4vw;opacity:.8}#rays span:nth-child(4){left:57%;width:11vw;opacity:.5}#rays span:nth-child(5){left:74%;width:6vw;opacity:.75}#rays span:nth-child(6){left:88%;width:4vw;opacity:.55}@keyframes ray-shimmer{0%,to{--ray-wobble: -1}50%{--ray-wobble: 1}}#snow{position:absolute;inset:0}.snow-layer{position:absolute;inset:0;overflow:hidden;transform:scaleY(calc(1 + var(--agitation) * 1.3));transform-origin:center;opacity:calc(.4 + var(--near) * .6)}.snow-track{position:absolute;inset:0;height:200%;animation-name:snow-rise;animation-timing-function:linear;animation-iteration-count:infinite}.snow-copy{position:absolute;left:0;right:0;height:50%}.snow-copy:nth-child(1){top:0}.snow-copy:nth-child(2){top:50%}.snow-copy i{position:absolute;display:block;border-radius:50%;background:radial-gradient(circle,#eafcff 0%,rgba(190,235,240,.6) 55%,transparent 75%)}@keyframes snow-rise{0%{transform:translateZ(0)}to{transform:translate3d(0,-50%,0)}}#creatures{position:absolute;inset:0}.creature{position:absolute;transform:translate3d(-50%,-50%,0);line-height:0}.creature .creature-svg{width:100%;height:auto;display:block}.creature .cr-body{animation:breathe 9s var(--ease-drift) infinite;transform-box:fill-box;transform-origin:center}.creature .cr-glow{opacity:var(--glow, .15);transition:opacity .08s linear}@keyframes breathe{0%,to{transform:scale(1)}50%{transform:scale(1.035)}}#trench-flood{position:absolute;inset:0;opacity:var(--flood);mix-blend-mode:screen}.flood-cone{position:absolute;inset:0;background:radial-gradient(42% 42% at 50% 52%,rgba(255,201,122,.24) 0%,rgba(255,201,122,.08) 40%,transparent 70%),radial-gradient(64% 52% at 50% -10%,rgba(255,214,150,.42) 0%,rgba(255,201,122,.12) 44%,transparent 68%),conic-gradient(from 180deg at 50% -8%,transparent 68deg,rgba(255,220,166,.12) 84deg,rgba(255,220,166,.12) 96deg,transparent 112deg)}#vignette{position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 42%,transparent 40%,rgba(2,8,16,.9) 100%);opacity:calc(.25 + var(--depth-norm) * .75)}#cursor{position:fixed;left:0;top:0;z-index:60;width:1px;height:1px;pointer-events:none;transform:translate3d(var(--cursor-x),var(--cursor-y),0)}#cursor:before{content:"";position:absolute;left:0;top:0;width:calc(300px + var(--depth-norm) * 220px);height:calc(300px + var(--depth-norm) * 220px);transform:translate(-50%,-50%);border-radius:50%;mix-blend-mode:screen;background:radial-gradient(circle,color-mix(in srgb,var(--bio2),var(--warm) var(--chrome-mix)) 0%,color-mix(in srgb,rgba(143,216,255,.28),rgba(255,201,122,.3) var(--chrome-mix)) 14%,transparent 62%);opacity:calc(.35 + var(--depth-norm) * .5)}#cursor:after{content:"";position:absolute;left:0;top:0;width:10px;height:10px;transform:translate(-50%,-50%);border-radius:50%;background:var(--text-hi);opacity:.9;mix-blend-mode:screen}html.coarse #cursor,html.reduced #cursor{display:none}#hud{position:fixed;top:clamp(1rem,2.4vw,2rem);left:clamp(1rem,2.4vw,2rem);z-index:40;color:var(--chrome-ink);font-family:var(--font-mono);pointer-events:none;user-select:none;display:flex;flex-direction:column;gap:.5rem}.hud-depth{display:flex;align-items:baseline;font-size:clamp(1.7rem,2.7vw,2.45rem);font-weight:500;letter-spacing:.01em;line-height:1;font-variant-numeric:tabular-nums}.odo-sign{margin-right:.06em;transition:opacity .3s var(--ease-water)}.odo-wheels{display:inline-flex;align-items:baseline}.odo-col{position:relative;display:inline-block;width:.6em;height:1em;overflow:hidden;vertical-align:baseline;transition:opacity .35s var(--ease-water)}.odo-col.lead{opacity:.16}.odo-strip{display:block;transition:transform .32s var(--ease-water)}.odo-cell{display:block;height:1em;line-height:1em;text-align:center}.odo-comma{display:inline-block;width:.32em;transition:opacity .35s var(--ease-water)}.odo-unit{margin-left:.4em;font-size:.5em;letter-spacing:.14em;opacity:.72;align-self:center;padding-bottom:.15em}.hud-readouts{font-size:var(--t-caption);color:var(--chrome-faint);letter-spacing:.04em;display:flex;gap:.5em;opacity:.85}.hud-sep{opacity:.4}.hud-readout.tick{animation:tick-flick .12s steps(2,end)}@keyframes tick-flick{0%{opacity:.55}to{opacity:1}}.hud-rail{position:relative;width:2px;height:clamp(120px,22vh,220px);margin-top:.4rem;background:color-mix(in srgb,var(--chrome-faint) 22%,transparent);border-radius:2px}.hud-rail-marker{position:absolute;left:50%;top:calc(var(--depth-norm) * 100%);width:7px;height:7px;border-radius:50%;background:var(--chrome-ink);transform:translate(-50%,-50%);box-shadow:0 0 0 3px color-mix(in srgb,var(--chrome-ink) 18%,transparent)}.side-nav{position:fixed;right:clamp(.9rem,2.2vw,2rem);top:50%;transform:translateY(-50%);z-index:40}.side-nav ul{list-style:none;display:flex;flex-direction:column;gap:clamp(.7rem,1.6vh,1.3rem);padding:0}.nav-item{display:grid;grid-template-columns:22px auto;align-items:center;gap:.7rem;padding:.15rem 0;color:var(--chrome-faint);opacity:.55;transition:opacity .4s var(--ease-water),color .4s var(--ease-water);text-align:right}.nav-item:before{content:"";grid-column:1;justify-self:end;width:14px;height:1.5px;background:currentColor;transition:width .4s var(--ease-water),opacity .4s;opacity:.6}.nav-depth{display:none;font-family:var(--font-mono);font-size:var(--t-micro);opacity:.7}.nav-name{grid-column:2;font-family:var(--font-mono);font-size:var(--t-caption);letter-spacing:.02em}.nav-item:hover{opacity:.9}.nav-item.active{opacity:1;color:var(--chrome-ink)}.nav-item.active:before{width:26px;opacity:1}@media(max-width:780px){.side-nav{inset:auto 0 0;transform:none;background:linear-gradient(to top,rgba(3,10,18,.72),transparent);padding:.5rem .6rem calc(.5rem + env(safe-area-inset-bottom))}.side-nav ul{flex-direction:row;justify-content:space-between;gap:.25rem;max-width:640px;margin:0 auto}.nav-item{grid-template-columns:1fr;gap:.25rem;text-align:center;justify-items:center;color:var(--text-hi)}.nav-item:before{justify-self:center;width:10px}.nav-item.active{color:var(--bio)}.nav-name{grid-column:1;font-size:.68rem}.hud-rail{display:none}}main{position:relative;z-index:10}.zone{position:relative;min-height:calc(var(--zvh) * 1vh);display:flex;flex-direction:column;padding:clamp(4rem,10vh,9rem) var(--gutter)}.zone-numeral{font-size:var(--t-caption);letter-spacing:.18em;opacity:.72;margin-bottom:1.4rem}.zone-title{font-size:var(--t-display-l);max-width:20ch}.zone-title em{color:color-mix(in srgb,currentColor 60%,var(--bio2))}.zone-lede,.zone-close{max-width:34ch;margin-top:var(--stack);color:color-mix(in srgb,currentColor 80%,transparent)}.zone--surface{color:var(--ink-deep)}.zone--sunlight{color:#06333b}.zone--twilight,.zone--midnight,.zone--trench{color:var(--text-hi)}.zone--surface .hero-title,.zone--sunlight .zone-title{text-shadow:0 2px 34px rgba(214,246,249,.45)}.zone--twilight *,.zone--midnight *,.zone--trench *{text-shadow:0 2px 34px rgba(2,10,20,.55)}.zone--surface{justify-content:center;align-items:center;text-align:center}.surface-hero{max-width:min(92vw,32rem)}.eyebrow{font-size:var(--t-caption);letter-spacing:.42em;text-indent:.42em;margin-bottom:clamp(1.5rem,4vh,2.6rem);opacity:.72}.hero-title{font-size:var(--t-hero);font-weight:360;letter-spacing:-.02em}.hero-title em{font-weight:340;color:color-mix(in srgb,var(--ink-deep) 74%,var(--bio))}.hero-sub{font-size:var(--t-subtitle);margin-top:clamp(1.4rem,4vh,2.4rem);opacity:.82}.hero-telemetry{font-size:var(--t-caption);margin-top:clamp(1.6rem,4vh,2.6rem);opacity:.6}.descend-cue{position:absolute;left:50%;bottom:clamp(2rem,6vh,4rem);transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:.9rem;color:inherit;opacity:.75;transition:opacity .3s var(--ease-water)}.descend-cue:hover{opacity:1}.descend-word{font-size:var(--t-caption);letter-spacing:.34em;text-indent:.34em}.descend-chevron{width:13px;height:13px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);animation:chev-breathe 3.6s var(--ease-drift) infinite}@keyframes chev-breathe{0%,to{transform:rotate(45deg) translate(-3px,-3px);opacity:.4}50%{transform:rotate(45deg) translate(3px,3px);opacity:1}}.zone--sunlight{justify-content:space-between;align-items:flex-start}.zone-head--left{max-width:32rem}.part-manifest{list-style:none;padding:0;max-width:24rem;display:flex;flex-direction:column;gap:.85rem;font-family:var(--font-display);font-size:var(--t-subtitle)}.part-manifest li{display:flex;align-items:baseline;gap:.8rem}.part-manifest li span{font-size:var(--t-caption);opacity:.55}.part-manifest li em{font-size:var(--t-body);opacity:.62}.zone-close{font-family:var(--font-display);font-style:italic;font-size:var(--t-subtitle);align-self:flex-start;max-width:30ch}.zone--twilight{justify-content:space-between;align-items:center;text-align:center}.zone-head--center{max-width:40rem}.zone-head--center .zone-title{margin:0 auto}.zone-hint{margin-top:1.4rem;font-size:var(--t-caption);letter-spacing:.22em;opacity:.5}.first-light{min-height:40vh;display:flex;align-items:flex-end}.first-light-line{font-family:var(--font-display);font-style:italic;font-size:var(--t-subtitle);opacity:.7}.zone--midnight{justify-content:space-between}.zone--midnight .zone-head--center{align-self:center;text-align:center}.field-note{max-width:27rem;font-family:var(--font-display);font-size:var(--t-subtitle);line-height:1.45;padding-left:1.2rem;border-left:1px solid color-mix(in srgb,var(--bio) 55%,transparent);color:color-mix(in srgb,var(--text-hi) 88%,transparent)}.field-note em{color:var(--bio);font-style:italic}.field-note--a{align-self:flex-start}.field-note--b{align-self:center;text-align:center;border-left:none;padding-left:0}.field-note--c{align-self:flex-end;text-align:right;border-left:none;border-right:1px solid color-mix(in srgb,var(--bio) 55%,transparent);padding-left:0;padding-right:1.2rem}.zone--trench{display:flex;flex-direction:column;justify-content:flex-end;padding:0 var(--gutter)}.trench-stage{flex:0 0 auto;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center}.trench-inner{max-width:40rem;display:flex;flex-direction:column;align-items:center}.cta-title{font-size:var(--t-display-m)}.cta-sub{font-size:var(--t-subtitle);opacity:.72;margin-top:.8rem}.trench-form{margin-top:clamp(2rem,5vh,3.5rem);width:min(34rem,100%);display:flex;flex-direction:column;gap:1.6rem;text-align:left}.field{display:flex;flex-direction:column;gap:.5rem}.field label{font-family:var(--font-mono);font-size:var(--t-micro);letter-spacing:.18em;color:var(--text-lo);transition:color .3s var(--ease-water)}.field input,.field textarea{font:inherit;font-size:var(--t-body);color:var(--text-hi);background:transparent;border:none;border-bottom:1px solid color-mix(in srgb,var(--text-lo) 45%,transparent);padding:.5rem .1rem;resize:vertical;transition:border-color .3s var(--ease-water),box-shadow .3s var(--ease-water)}.field input:focus,.field textarea:focus{outline:none;border-color:var(--warm);box-shadow:0 1px 0 0 var(--warm)}.field:focus-within label{color:var(--warm)}.signal-btn{align-self:flex-start;margin-top:.4rem;padding:.85rem 1.8rem;border:1px solid var(--warm);border-radius:2px;color:var(--warm);font-family:var(--font-mono);letter-spacing:.16em;font-size:var(--t-caption);position:relative;transition:background .3s var(--ease-water),color .3s var(--ease-water),transform .2s var(--ease-water);animation:beacon-pulse 3s var(--ease-drift) infinite}.signal-btn:hover{background:color-mix(in srgb,var(--warm) 16%,transparent);transform:translateY(-1px)}@keyframes beacon-pulse{0%,to{box-shadow:0 0 color-mix(in srgb,var(--warm) 42%,transparent)}50%{box-shadow:0 0 34px 3px color-mix(in srgb,var(--warm) 30%,transparent)}}.trench-form.sent .signal-btn{border-color:var(--bio);color:var(--bio);animation:none;pointer-events:none}.form-helper{font-size:var(--t-micro);letter-spacing:.14em;color:var(--text-lo);opacity:.7}.site-footer{width:100%;max-width:60rem;margin:0 auto;border-top:1px solid color-mix(in srgb,var(--text-lo) 22%,transparent);padding:1.6rem 0 clamp(1.6rem,4vh,3rem);display:flex;flex-direction:column;gap:1rem;text-align:left}.footer-telemetry{font-size:var(--t-caption);color:var(--text-lo)}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:1rem}.footer-mark{font-family:var(--font-mono);letter-spacing:.32em;font-size:var(--t-caption);color:var(--text-hi)}.motion-toggle{font-family:var(--font-mono);font-size:var(--t-caption);color:var(--text-lo);letter-spacing:.08em;border:1px solid color-mix(in srgb,var(--text-lo) 30%,transparent);padding:.4rem .9rem;border-radius:2px;transition:color .3s var(--ease-water),border-color .3s}.motion-toggle[aria-pressed=true] .toggle-state{color:var(--bio)}.motion-toggle:hover{color:var(--text-hi);border-color:var(--text-lo)}.motion-toggle:disabled{opacity:.4;cursor:not-allowed}#sub-stage{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:clamp(320px,60vw,860px);aspect-ratio:1000 / 700;z-index:20;opacity:0;pointer-events:none}#sub-stage.gone{visibility:hidden}#sub-holder{width:100%;height:100%;transform-origin:center;transition:opacity .35s var(--ease-water)}.sub-svg{width:100%;height:100%;display:block;overflow:visible}#sub-cutaway{opacity:0}#sub-solid>g{transform-box:fill-box;transform-origin:center}#sub-stage.has-active #sub-holder{opacity:.4}#sub-hotspots{position:absolute;inset:0;pointer-events:none}.hotspot{position:absolute;transform:translate(-50%,-50%)}.hotspot-ring{position:relative;display:grid;place-items:center;width:2.6rem;height:2.6rem;border-radius:50%;opacity:0;pointer-events:none;transition:opacity .4s var(--ease-water)}#sub-stage.cutaway-live .hotspot-ring{opacity:1;pointer-events:auto}#sub-stage.has-active .hotspot:not(.active) .hotspot-ring{opacity:.22}.hotspot-dot{width:8px;height:8px;border-radius:50%;background:var(--bio);box-shadow:0 0 10px 2px color-mix(in srgb,var(--bio) 60%,transparent)}.hotspot-pulse{position:absolute;inset:0;border-radius:50%;border:1px solid var(--bio);animation:hot-pulse 2.8s var(--ease-drift) infinite;animation-delay:var(--phase)}@keyframes hot-pulse{0%{transform:scale(.4);opacity:.7}to{transform:scale(1.35);opacity:0}}.hotspot-ring:hover .hotspot-dot,.hotspot.active .hotspot-dot{box-shadow:0 0 16px 4px color-mix(in srgb,var(--bio) 75%,transparent)}.hotspot-card{position:absolute;top:50%;width:17rem;padding:1rem 1.15rem;background:color-mix(in srgb,#041019 82%,transparent);backdrop-filter:blur(6px);border:1px solid color-mix(in srgb,var(--bio) 45%,transparent);border-radius:var(--radius);opacity:0;pointer-events:none;transition:opacity .32s var(--ease-water),transform .32s var(--ease-water);text-align:left}.hotspot-card.side-right{left:2.4rem;transform:translateY(-50%) translate(-8px)}.hotspot-card.side-left{right:2.4rem;transform:translateY(-50%) translate(8px)}.hotspot.active .hotspot-card,#sub-stage.reveal-all .hotspot-card{opacity:1;pointer-events:auto;transform:translateY(-50%) translate(0)}.hotspot-idx{font-family:var(--font-mono);font-size:var(--t-micro);color:var(--bio);letter-spacing:.1em}.hotspot-card h4{font-size:var(--t-title);font-weight:440;margin:.2rem 0 .4rem;color:var(--text-hi)}.hotspot-card p{font-family:var(--font-mono);font-size:var(--t-micro);line-height:1.6;color:color-mix(in srgb,var(--text-hi) 78%,transparent)}#hotspot-sheet{display:none}.sheet-idx{font-size:var(--t-micro);color:var(--bio);letter-spacing:.1em}#hotspot-sheet h4{font-family:var(--font-display);font-size:var(--t-title);font-weight:440;margin:.2rem 0 .5rem;color:var(--text-hi)}#hotspot-sheet p{font-size:var(--t-caption);line-height:1.6;color:color-mix(in srgb,var(--text-hi) 82%,transparent)}@media(max-width:780px){#sub-stage{width:min(88vw,460px);top:40%}.hotspot-card{display:none}#hotspot-sheet{display:block;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:1.4rem var(--gutter) calc(5rem + env(safe-area-inset-bottom));background:linear-gradient(to top,#030a12 68%,transparent);border-top:1px solid color-mix(in srgb,var(--bio) 40%,transparent);transform:translateY(105%);transition:transform .34s var(--ease-water)}#hotspot-sheet.open{transform:translateY(0)}.field-note--a,.field-note--b,.field-note--c{align-self:stretch;text-align:left;border-left:1px solid color-mix(in srgb,var(--bio) 55%,transparent);border-right:none;padding-left:1.2rem;padding-right:0;max-width:none}.zone-close,.part-manifest{max-width:none}}html.reduced #rays{animation:none}html.reduced #rays span{transform:rotate(12deg)}html.reduced .snow-track{animation:none}html.reduced .snow-layer{transform:none}html.reduced .creature .cr-body{animation:none}html.reduced .creature .cr-glow{transition:none}html.reduced .descend-chevron{animation:none;transform:rotate(45deg);opacity:.7}html.reduced .signal-btn{animation:none}html.reduced .hotspot-pulse{animation:none;opacity:.25}html.reduced .hud-readout.tick{animation:none}html.reduced .odo-strip{transition:none}html.reduced .rise{opacity:1!important;transform:none!important;animation:none!important}