/* Panthalassa application page — prototype 1. All selectors scoped under #pt so it can live in a Squarespace code block / injection. */
@font-face{font-family:"PT Inter";src:url("../assets/fonts/inter.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"PT Mono";src:url("../assets/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"PT Mono";src:url("../assets/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"AdamHand";src:url("../assets/fonts/AdamHand.woff2") format("woff2"),url("../assets/fonts/AdamHand.ttf") format("truetype");font-display:swap}
@font-face{font-family:"PT Hand";src:url("../assets/fonts/caveat-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"PT Hand";src:url("../assets/fonts/caveat-latin-600-normal.woff2") format("woff2");font-weight:500;font-display:swap}

html.pt-on,html.pt-on body{margin:0;background:#FCFBF9}
#pt{--paper:#FCFBF9;--ink:#373A44;--mute:#6E7077;--faint:#B7B8BA;--accent:#373A44;--pen:#373A44;--water:#1f3fbf;--bg:#FCFBF9;--grid:1;
 --sans:"PT Inter",-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",system-ui,sans-serif;
 --mono:"PT Mono",ui-monospace,"SF Mono",Menlo,monospace;--hand:"AdamHand","PT Hand",cursive; /* handwriting font: change this one variable to swap */
 position:fixed;inset:0;overflow:hidden;color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;letter-spacing:-.01em;z-index:1}
#pt.night{--ink:#F1F1F1;--accent:#F1F1F1;--mute:#9a9a9a;--faint:#444}
#pt *{box-sizing:border-box}
#pt-spacer{width:1px;pointer-events:none}
#pt #bg{position:absolute;inset:0;background-color:var(--bg);
 background-image:radial-gradient(circle at 0 0,rgba(55,58,68,.22) 1px,transparent 1.4px),linear-gradient(rgba(55,58,68,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(55,58,68,.035) 1px,transparent 1px);
 background-size:24px 24px,120px 120px,120px 120px;opacity:1}
#pt #bgg{position:absolute;inset:0;pointer-events:none;opacity:var(--grid);
 background-image:radial-gradient(circle at 0 0,rgba(55,58,68,.2) 1px,transparent 1.4px),linear-gradient(rgba(55,58,68,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(55,58,68,.04) 1px,transparent 1px);
 background-size:24px 24px,120px 120px,120px 120px;
 -webkit-mask-image:radial-gradient(ellipse 85% 85% at 60% 50%,#000 30%,transparent 100%);mask-image:radial-gradient(ellipse 85% 85% at 60% 50%,#000 30%,transparent 100%)}
#pt #bg{background-image:none}
#pt #halo{position:absolute;left:0;top:0;width:260px;height:520px;border-radius:50%;background:radial-gradient(closest-side,rgba(252,251,249,.95),rgba(252,251,249,0));opacity:0;filter:blur(18px);pointer-events:none;will-change:transform,opacity}
#pt canvas#gl{position:absolute;inset:0;width:100%;height:100%;display:block}
#pt svg.layer{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
#pt #ov{position:absolute;inset:0;pointer-events:none}
#pt .mono{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:400}
#pt .lbl{position:absolute;white-space:nowrap;font-family:var(--mono);font-size:10px;letter-spacing:.09em;text-transform:uppercase;line-height:1.5;color:var(--ink);opacity:0;will-change:opacity,transform}
#pt .lbl small{display:block;color:var(--mute);font-size:9.5px;letter-spacing:.08em}
#pt .hand{position:absolute;font-family:var(--hand);font-feature-settings:"calt" 1;color:var(--pen);line-height:1;white-space:nowrap;will-change:clip-path,opacity;opacity:0}
#pt .hand.acc{color:var(--pen)}

/* header / footer chrome */
#pt .chrome{position:absolute;z-index:6;pointer-events:none}
#pt #hd-l{left:28px;top:24px;display:flex;gap:14px;align-items:center}
#pt #hd-l b{font-weight:500;letter-spacing:.14em;color:var(--ink)}
#pt #hd-r{right:28px;top:24px;text-align:right;color:var(--mute)}
#pt #ft-r{right:28px;bottom:22px;text-align:right;color:var(--mute);display:flex;gap:18px;align-items:flex-end}
#pt #fig b{color:var(--ink);font-weight:500}
#pt #scalebar{display:flex;flex-direction:column;align-items:flex-end;gap:5px}
#pt #sb-line{height:6px;border:1px solid var(--ink);border-top:none;width:80px;opacity:.7}
#pt #hint{left:50%;bottom:22px;transform:translateX(-50%);color:var(--mute);transition:opacity .6s}
#pt #hint i{display:block;width:1px;height:26px;background:var(--mute);margin:8px auto 0;transform-origin:top;animation:pthint 1.8s ease-in-out infinite}
@keyframes pthint{0%{transform:scaleY(0)}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* sidebar */
#pt #side{position:absolute;left:28px;top:50%;transform:translateY(-52%);width:190px;z-index:6;pointer-events:none}
#pt #s-track{position:absolute;left:3px;top:6px;bottom:auto;width:1px;background:var(--faint);opacity:.9}
#pt #s-fill{position:absolute;left:3px;top:6px;width:1px;background:var(--ink)}
#pt #s-ghost{position:absolute;left:3px;width:0;border-left:1px dotted var(--accent);opacity:0}
#pt #s-mark{position:absolute;left:-1px;top:2px;width:9px;height:9px;border-radius:50%;background:var(--ink);transition:background .3s,box-shadow .3s;will-change:transform}
#pt #s-mark.loop{background:var(--accent);box-shadow:0 0 0 5px rgba(55,58,68,.14)}
#pt .s-item{position:relative;height:34px;padding-left:24px;display:flex;align-items:flex-start;gap:8px;color:var(--faint);transition:color .35s}
#pt .s-item:before{content:"";position:absolute;left:0;top:9px;width:7px;height:1px;background:currentColor}
#pt .s-item .n{opacity:.8;margin-top:3px}
#pt .s-item span.t{margin-top:3px}
#pt .s-item.on{color:var(--ink)}
#pt .s-item.past{color:var(--mute)}
#pt #s-info{position:absolute;left:24px;top:calc(var(--n,7)*34px + 14px);width:190px}
#pt #s-info .k{color:var(--mute);margin-bottom:6px}
#pt #s-conv{font-size:13.5px;line-height:1.4;letter-spacing:-.005em;color:var(--ink);min-height:38px;transition:opacity .3s}
#pt #s-loop{font-family:var(--hand);font-feature-settings:"calt" 1;color:var(--pen);font-size:11px;line-height:1.15;margin-top:12px;opacity:0;transition:opacity .35s;min-height:50px}
#pt #s-loop em{font-family:var(--mono);font-style:normal;font-size:9.5px;letter-spacing:.1em;display:block;margin-bottom:3px;text-transform:uppercase}
#pt #s-thru{margin-top:14px;color:var(--mute);font-size:11px;line-height:1.45;letter-spacing:0;max-width:170px;border-top:1px solid var(--faint);padding-top:10px}

/* scene copy */
#pt #copy{position:absolute;inset:0;pointer-events:none;z-index:4}
#pt .copy{position:absolute;left:max(250px,14vw);top:50%;width:min(44vw,640px);opacity:0;will-change:opacity,transform;transform:translateY(-50%)}
#pt .copy .eyebrow{color:var(--mute);margin-bottom:22px;display:flex;gap:12px;align-items:center}
#pt .copy .eyebrow:after{content:"";width:46px;height:1px;background:var(--faint)}
#pt .copy h2{margin:0;font-weight:500;font-size:clamp(46px,7.1vw,118px);line-height:.96;letter-spacing:-.045em;color:var(--ink)}
#pt .copy h2 .soft{color:inherit}
#pt .copy p.sub{margin:26px 0 0;font-size:clamp(17px,1.5vw,23px);line-height:1.38;letter-spacing:-.012em;color:var(--ink);max-width:26em;font-weight:400}
#pt .copy .quote{margin-top:30px;color:var(--mute);max-width:44ch;line-height:1.7;text-transform:none;letter-spacing:.02em;font-size:11px;border-left:1px solid var(--faint);padding-left:12px}
#pt .copy .quote b{font-weight:500;color:var(--ink);text-transform:uppercase;letter-spacing:.1em;font-size:9.5px;display:block;margin-bottom:2px}
#pt .specs{display:flex;gap:0;margin-top:34px}
#pt .spec{padding:0 28px 0 0;margin-right:28px;border-right:1px solid var(--faint);min-width:0}
#pt .spec:last-child{border:none;margin:0}
#pt .spec .v{font-size:clamp(34px,4.1vw,64px);font-weight:500;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
#pt .spec .v u{text-decoration:none;font-size:.46em;letter-spacing:-.01em;margin-left:.12em;color:var(--mute);font-weight:500}
#pt .spec .d{margin-top:9px;color:var(--mute);font-size:10px}
#pt .steps{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:30px;max-width:30em}
#pt .steps span{color:var(--faint);transition:color .35s}
#pt .steps span.on{color:var(--ink)}
#pt .steps span.on:before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);margin-right:7px;vertical-align:middle;position:relative;top:-1px}
#pt .strip{display:flex;gap:0;margin-top:30px;border:1px solid var(--ink);width:fit-content;border-radius:3px;overflow:hidden}
#pt .strip span{padding:7px 12px;color:var(--mute);border-right:1px solid var(--faint);transition:background .3s,color .3s}
#pt .strip span:last-child{border:none}
#pt .strip span.on{background:var(--ink);color:var(--paper)}
#pt .strip-note{margin-top:14px;color:var(--mute);font-size:14px;letter-spacing:-.005em;min-height:42px;max-width:26em;text-transform:none;font-family:var(--sans)}
#pt.night .strip span.on{color:#050505}
#pt .copy.center{left:50%;width:min(90vw,980px);transform:translate(-50%,-50%);text-align:center}
#pt .copy.center .eyebrow{justify-content:center}
#pt .copy.center .eyebrow:after{display:none}
#pt .copy.center p.sub{margin-left:auto;margin-right:auto}
#pt .copy.center .specs{justify-content:center}
#pt .end h2{font-size:clamp(54px,9vw,150px)}
#pt .end .contact{margin-top:34px;display:flex;gap:30px;justify-content:center;color:var(--mute)}
#pt .end .contact b{color:var(--ink);font-weight:500}

/* callouts in explainers */
#pt .callout{position:absolute;width:220px;opacity:0;will-change:transform,opacity}
#pt .callout .r{display:flex;align-items:baseline;gap:12px}
#pt .callout .n{font-size:40px;line-height:1;font-weight:500;letter-spacing:-.045em;color:var(--ink);font-variant-numeric:tabular-nums}
#pt .callout .t{font-size:15px;line-height:1.15;font-weight:500;letter-spacing:-.015em;color:var(--ink)}
#pt .callout .b{margin-top:10px;font-size:11.5px;line-height:1.5;color:var(--mute);letter-spacing:0}
#pt svg .cl{stroke:var(--ink);stroke-opacity:.75;fill:none}

#pt #grain{position:absolute;inset:0;pointer-events:none;z-index:9;opacity:.28;mix-blend-mode:multiply;
 background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .1  0 0 0 0 .1  0 0 0 0 .09  0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.34'/></svg>")}
#pt.night #grain{opacity:.25;mix-blend-mode:screen}
#pt #vig{position:absolute;inset:0;pointer-events:none;z-index:8;background:radial-gradient(ellipse at 55% 50%,transparent 55%,rgba(55,58,68,.04) 100%)}
#pt.night #vig{background:radial-gradient(ellipse at 50% 50%,transparent 50%,rgba(0,0,0,.45) 100%)}
#pt #loading{position:absolute;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;background:var(--paper);color:var(--mute);transition:opacity .8s;pointer-events:none}

@media (max-width:820px){
 #pt #side{left:0;top:0;transform:none;width:100%;height:46px;padding:0 20px}
 #pt .s-item,#pt #s-info,#pt #s-track,#pt #s-fill,#pt #s-ghost,#pt #s-mark{display:none}
 #pt #hd-r,#pt #ft-r #fig{display:none}
 #pt #hd-l{top:16px;left:20px}
 #pt .copy{left:20px;right:20px;width:auto;top:13vh;transform:none}
 #pt .copy h2{font-size:clamp(40px,12.5vw,70px)}
 #pt .copy p.sub{font-size:16px;margin-top:14px}
 #pt .copy .quote,#pt .specs{display:none}
 #pt .copy.center{left:20px;width:auto;transform:none;top:30vh;text-align:left}
 #pt .callout{width:min(260px,70vw)}
}
#pt svg .ln{fill:none;stroke:var(--ink);stroke-linecap:round;stroke-linejoin:round}
#pt svg .pc{fill:none;stroke:#2F323B;stroke-linecap:round;stroke-linejoin:round}
#pt svg .ac,#pt svg .pb{fill:none;stroke:var(--pen);stroke-linecap:round;stroke-linejoin:round}
#pt svg text{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;fill:var(--mute);text-transform:uppercase}
#pt .copy *,#pt .lbl,#pt .callout *,#pt #side *{transition-property:color,background-color,border-color,opacity;transition-duration:.7s}
#pt .copy .steps span,#pt .copy .strip span{transition-duration:.35s}
#pt .lbl.acc{color:var(--accent)}
#pt .copy.long h2{font-size:clamp(40px,5.4vw,88px);line-height:1}
#pt .callout{width:260px}
#pt .callout .h{font-size:16px;font-weight:500;letter-spacing:-.015em;line-height:1.25}
#pt .callout .k{margin-bottom:5px}
#pt .copy .steps{max-width:34em;gap:6px 14px}

/* revision: thesis + credit */
#pt .copy.thesis{top:42%}
#pt .copy.thesis h2{font-size:clamp(52px,8.4vw,136px)}
#pt .copy.thesis p.sub{max-width:30em}
#pt .end .credit{margin:30px auto 0;max-width:46em;color:var(--mute);line-height:1.9;text-transform:none;letter-spacing:.03em;font-size:11px}
#pt .end .credit a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--mute);pointer-events:auto;cursor:pointer;padding-bottom:1px}
#pt .end .credit a:hover{border-bottom-color:var(--ink)}
#pt .copy.end{pointer-events:none}

/* prologue: the planet */
#pt canvas#earth{position:absolute;inset:0;pointer-events:none}
#pt .copy.earthB h2{font-size:clamp(34px,4.2vw,70px);letter-spacing:-.04em;line-height:1.02}
#pt .credit0{position:absolute;left:178px;top:62px;max-width:34em;font-size:12px;line-height:1.5;color:var(--mute);letter-spacing:0;opacity:0;z-index:5;pointer-events:none}
#pt .glab{position:absolute;opacity:0;pointer-events:none}
#pt .glab .n{font-size:40px;line-height:1;font-weight:500;letter-spacing:-.045em;color:var(--ink)}
#pt .glab .t{margin-top:8px;font-size:11.5px;line-height:1.35;color:var(--mute);max-width:15em}
#pt .callout.sliverco{width:200px}
@media (max-width:820px){#pt .credit0{left:20px;top:56px;font-size:11px}#pt .glab .n{font-size:26px}#pt .glab .t{font-size:10px}}
#pt .copy.earthA h2{font-size:clamp(40px,5.6vw,92px)}
#pt .copy.earthB h2{font-size:clamp(30px,3.5vw,58px)}
#pt .copy.earthB p.sub{max-width:22em}
#pt svg .fl{fill:var(--ink);stroke:none}

/* the standard vs Ocean-2 */
#pt .cmp{position:absolute;left:19vw;top:7.5vh;width:74vw;z-index:4;pointer-events:none}
#pt .cmp .eyebrow{margin-bottom:1.4vh}
#pt .cg{display:grid;grid-template-columns:44.6% 48.6%;column-gap:6.8%}
#pt .cmp h3{margin:0;font-size:clamp(22px,3.4vh,40px);font-weight:500;letter-spacing:-.035em;line-height:1.05}
#pt .cmp .dia>div{height:34vh}
#pt .cmp .row{margin-top:1.5vh;padding-top:1.1vh;border-top:1px solid var(--faint)}
#pt .cmp .row>div{font-size:clamp(10.5px,1.55vh,14px);line-height:1.38;color:var(--ink);letter-spacing:-.005em;max-width:30em}
#pt .cmp .row .k{display:block;color:var(--mute);margin-bottom:.4vh;font-size:9px}
#pt .cmp .src{margin-top:1.8vh;color:var(--mute);font-size:8.5px;line-height:1.6;text-transform:none;letter-spacing:.03em;max-width:70em}
#pt svg text{font-size:9px}

/* ---- typography: ballpoint-blue handwriting (the only colour) + IBM Plex Mono small caps ---- */
#pt .scr{font-family:var(--hand);font-feature-settings:"calt" 1;color:var(--pen);font-size:10.5px;line-height:1.1;margin-top:8px;transform:none;font-weight:400;letter-spacing:0;text-transform:none;font-variant-caps:normal}
#pt .mono,#pt .lbl,#pt svg text,#pt #s-loop em,#pt .copy .quote b,#pt .cmp .src,#pt .end .credit,#pt .cmp .k{text-transform:none;font-variant-caps:all-small-caps;letter-spacing:.07em}
#pt .mono{font-size:12.5px}
#pt .lbl{font-size:12px}
#pt .lbl small,#pt .copy .quote b,#pt #s-loop em{font-size:11.5px}
#pt svg text{font-size:11.5px}
#pt .cmp .src{font-size:10.5px}
#pt .end .credit{font-size:13px}
#pt .copy .quote,#pt .end .quote{font-variant-caps:normal}
#pt #s-loop em{color:var(--mute)}

#pt .harrow{position:absolute;background:var(--pen);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:100% 100%;mask-size:100% 100%;pointer-events:none}

#pt .copy.bpback{background:none;box-shadow:none}
#pt .copy .ipcc{margin:18px 0 0;max-width:34em;color:var(--mute);line-height:1.55;font-size:12px}
#pt .copy.bridge{width:min(26vw,360px)}
#pt .copy.bridge h2{font-size:clamp(34px,4vw,64px);letter-spacing:-.04em;line-height:1.02}
#pt .brh{position:absolute;white-space:nowrap;font-weight:500;font-size:16px;letter-spacing:-.015em;line-height:1.1;color:var(--ink);opacity:0;transform:translateX(-50%)}
#pt .brh span{display:block;font-weight:400;color:var(--mute);margin-top:4px;font-size:12px}
#pt .brh.brin{transform:translate(-50%,-50%);text-align:center;font-weight:500;font-size:clamp(15px,1.55vw,22px);letter-spacing:-.03em;line-height:1}
#pt .copy.earthB{width:min(34vw,520px)}

/* revision 8 */
#pt .copy p.sub b{color:var(--ink);font-weight:600}
#pt .sliverlbl{white-space:nowrap;opacity:0}
#pt .sunhit{position:absolute;left:0;top:0;pointer-events:auto;cursor:grab;touch-action:pan-y;display:none;z-index:7}
#pt .sunhit.drag{cursor:grabbing}
#pt .end h2{font-size:clamp(44px,6.6vw,104px)}
#pt .copy h2 .ow{display:inline-block;white-space:nowrap;font-size:.56em;color:var(--ink);letter-spacing:-.025em;line-height:1.1;margin-top:.12em}
#pt .callout .t{font-size:16px}
#pt .lbl.brcap{text-align:center;line-height:1.55;font-size:11.5px;color:var(--mute);white-space:normal;width:15em}
#pt .lbl.brcap b{display:block;font-weight:400;color:var(--ink);margin:1px 0}
@media(max-width:820px){#pt .lbl.brcap{font-size:10px}#pt .lbl.brcap{width:12em}}
#pt .strip span{pointer-events:auto;cursor:pointer;user-select:none}
#pt .strip span:not(.on):hover{color:var(--ink);background:rgba(55,58,68,.06)}
#pt .copy:has(.strip){z-index:12}
#pt .exh{position:absolute;font-weight:500;font-size:17px;letter-spacing:-.015em;line-height:1.2;color:var(--ink);opacity:0}
#pt .exh span{display:block;font-weight:400;color:var(--mute);font-size:12.5px;line-height:1.5;margin-top:6px;letter-spacing:0}
#pt .cmp{left:max(250px,14vw);top:50%;width:min(76vw,1140px);transform:translateY(-50%)}
#pt .cmp .cmph{margin:0 0 3.2vh;font-weight:500;font-size:clamp(38px,5.2vw,84px);line-height:.98;letter-spacing:-.045em}
#pt .cmp .cmph .soft{color:inherit}
#pt .cmp .cards{display:grid;grid-template-columns:1fr 1fr;gap:2vw}
#pt .cmp .card{border:1px solid var(--faint);border-radius:3px;padding:2.2vh 1.6vw 1.2vh;background:rgba(255,255,255,.22);opacity:0}
#pt .cmp .crow,#pt .cmp .src{opacity:0}
#pt .cmp .card.on{border-color:var(--ink)}
#pt .cmp .card h3{margin:0 0 1.2vh;font-size:clamp(17px,2.4vh,26px);font-weight:500;letter-spacing:-.03em}
#pt .cmp .crow{padding:1vh 0;border-top:1px solid var(--faint);font-size:clamp(11px,1.5vh,14px);line-height:1.38;color:var(--ink)}
#pt .cmp .crow .k{display:block;color:var(--mute);font-size:9.5px;margin-bottom:.3vh}
#pt .cmp .src{margin-top:1.8vh}
#pt .copy .steps{display:none}
#pt .copy ul.trial{list-style:none;margin:6px 0 0;padding:0;max-width:30em}
#pt .copy ul.trial li{position:relative;padding:0 0 0 22px;margin:0 0 12px;font-size:clamp(13px,1.3vw,17px);line-height:1.38;letter-spacing:-.008em;color:var(--ink)}
#pt .copy ul.trial li:before{content:"";position:absolute;left:2px;top:.62em;width:9px;height:1px;background:var(--ink)}
#pt .copy ul.trial li b{color:var(--ink);font-weight:500}
#pt .copy ul.trial li i{font-style:normal;color:var(--ink)}
#pt #cover{position:absolute;inset:0;background:#FCFBF9;opacity:0;pointer-events:none;z-index:5}
#pt #stickies{position:absolute;inset:0;pointer-events:none;z-index:4}
#pt .sticky{position:absolute;width:clamp(126px,12.45vw,192px);aspect-ratio:1;background:#FDFCF8 center/cover no-repeat;box-shadow:0 1px 1px rgba(55,58,68,.10),0 7px 16px rgba(55,58,68,.10);border-radius:1px;opacity:0;will-change:opacity,transform}
#pt .sticky .ph{position:absolute;inset:0;width:100%;height:100%;opacity:.16}
#pt .sticky.has .ph{display:none}
#pt .prov{position:absolute;left:max(250px,14vw);top:50%;width:min(74vw,1180px);opacity:0;z-index:5;pointer-events:none}
#pt .prov .eyebrow{color:var(--mute);margin-bottom:26px;display:flex;gap:12px;align-items:center}
#pt .prov .eyebrow:after{content:"";width:46px;height:1px;background:var(--faint)}
#pt .prov blockquote{margin:0;font-weight:500;font-size:clamp(44px,8.2vw,150px);line-height:.96;letter-spacing:-.05em;color:var(--ink)}
#pt .prov .cont{margin:32px 0 0;max-width:30em;font-size:clamp(16px,1.6vw,24px);line-height:1.38;color:var(--ink);letter-spacing:-.012em}
#pt .prov .att{margin-top:22px;color:var(--ink)}
#pt .copy.how{width:min(30vw,420px)}
#pt .copy.how h2{font-size:clamp(46px,6vw,100px)}
#pt .hw-win{position:relative;height:36vh;margin-top:3.5vh;overflow:hidden;-webkit-mask-image:linear-gradient(transparent,#000 14%,#000 82%,transparent);mask-image:linear-gradient(transparent,#000 14%,#000 82%,transparent)}
#pt .hw-in{will-change:transform}
#pt .hw-step{padding:0 0 4.2vh}
#pt .hw-n{color:var(--mute);font-size:10px}
#pt .hw-t{font-weight:500;font-size:clamp(18px,1.7vw,26px);letter-spacing:-.025em;margin:3px 0 6px;color:var(--ink)}
#pt .hw-step p{margin:0;font-size:clamp(13px,1.15vw,16.5px);line-height:1.42;color:var(--ink);letter-spacing:-.006em}
#pt .hw-s{margin-top:6px;color:var(--mute);font-size:10px}
@media(max-width:760px){#pt #stickies{display:none}}
#pt .cmp .cdia{display:block;width:100%;height:clamp(84px,17vh,150px);margin:0 0 .6vh}
#pt .cmp .cdia text{font-family:var(--mono);font-size:6.6px;fill:var(--mute);letter-spacing:.05em;text-transform:none}
#pt h2 .soft,#pt .cmp .cmph .soft,#pt .copy h2 .soft,#pt .copy h2 span{color:inherit !important}
#pt .copy.thesis h2{font-size:clamp(40px,5.8vw,96px);line-height:.98}
#pt .hand.himg{white-space:normal;line-height:0}
#pt .hand.himg img{width:100%;height:100%;display:block;pointer-events:none;user-select:none}
#pt .vision{position:absolute;inset:0;z-index:5;opacity:0;pointer-events:none}
#pt .vision .vleft{position:absolute;left:max(250px,14vw);top:50%;transform:translateY(-50%);width:min(30vw,440px)}
#pt .vision .eyebrow{color:var(--mute);margin-bottom:22px;display:flex;gap:12px;align-items:center}
#pt .vision .eyebrow:after{content:"";width:46px;height:1px;background:var(--faint)}
#pt .vision h2{margin:0 0 24px;font-weight:500;font-size:clamp(44px,5.4vw,92px);line-height:.96;letter-spacing:-.05em;color:var(--ink)}
#pt .vision blockquote{margin:0;font-size:clamp(15px,1.3vw,21px);line-height:1.38;letter-spacing:-.012em;color:var(--ink)}
#pt .vision .att{margin-top:18px;color:var(--mute)}
#pt .vision .vsvg{position:absolute;left:70vw;top:58%;width:27vw;max-width:480px;transform:translateY(-50%);overflow:visible}
#pt .vision .vsvg text{font-family:var(--mono);font-size:9.5px;letter-spacing:.07em;fill:var(--ink);text-transform:none}
#pt .vision .vsvg text.big{font-family:var(--sans);font-size:23px;font-weight:500;letter-spacing:-.03em}
#pt .vision .vsvg text.mute{fill:var(--mute)}
@media(max-width:760px){#pt .vision .vleft{width:88vw;top:36%}#pt .vision .vsvg{left:6vw;width:88vw;top:78%}}

/* a parting note: warm paper, one boat sticky, his wording */
#pt .parting{position:absolute;inset:0;z-index:4;opacity:0;pointer-events:none;background:var(--paper)}
#pt .parting .p-inner{position:absolute;left:max(250px,14vw);top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:clamp(28px,3.2vw,48px);width:min(72vw,920px)}
#pt .parting .p-sticky{width:clamp(168px,16.8vw,248px);aspect-ratio:1;flex:0 0 auto;background:#FDFCF8 center/cover no-repeat;box-shadow:0 2px 4px rgba(55,58,68,.10),0 16px 32px rgba(55,58,68,.14);border-radius:1px;transform:rotate(-4.5deg)}
#pt .parting .eyebrow{color:var(--mute);margin-bottom:22px;display:flex;gap:12px;align-items:center}
#pt .parting .eyebrow:after{content:"";width:46px;height:1px;background:var(--faint)}
#pt .parting p{margin:0;font-family:var(--sans);font-size:clamp(16px,1.45vw,22px);line-height:1.45;letter-spacing:-.012em;color:var(--ink);max-width:28em;font-weight:400}
#pt .parting p+p{margin-top:1.15em}
@media(max-width:760px){#pt .parting .p-inner{left:20px;right:20px;width:auto;flex-direction:column;align-items:flex-start;gap:22px}#pt .parting .p-sticky{width:clamp(126px,42vw,192px)}}

/* round 4: the sidebar labels are real buttons */
#pt .s-item{appearance:none;-webkit-appearance:none;background:none;border:0;margin:0;text-align:left;line-height:1.2;width:100%;pointer-events:auto;cursor:pointer;color:var(--faint)}
#pt .s-item.on{color:var(--ink)}#pt .s-item.past{color:var(--mute)}
#pt .s-item:hover{color:var(--ink)}
#pt .s-item:focus-visible{outline:1px solid var(--ink);outline-offset:2px}

/* brand pass: Panthalassa.com palette (bg #FCFBF9, text #373A44), Antarctica-like medium headlines (Inter 500 as free stand-in) */
#pt .copy h2,#pt .cmp .cmph,#pt .prov blockquote,#pt .vision h2{letter-spacing:-.05em}