/* the-longest-night: polar night. Ice ink, deep water, one amber egg-glow. */
@font-face{font-family:Fraunces;font-style:normal;font-weight:400 900;font-display:swap;
src:url(fonts/fraunces-normal-latin.woff2) format("woff2");unicode-range:U+0-FF,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Fraunces;font-style:normal;font-weight:400 900;font-display:swap;
src:url(fonts/fraunces-normal-latin-ext.woff2) format("woff2");unicode-range:U+100-2AF,U+304,U+308,U+329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Fraunces;font-style:italic;font-weight:400 900;font-display:swap;
src:url(fonts/fraunces-italic-latin.woff2) format("woff2");unicode-range:U+0-FF,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Fraunces;font-style:italic;font-weight:400 900;font-display:swap;
src:url(fonts/fraunces-italic-latin-ext.woff2) format("woff2");unicode-range:U+100-2AF,U+304,U+308,U+329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:400 700;font-display:swap;
src:url(fonts/source-serif-4-normal-latin.woff2) format("woff2");unicode-range:U+0-FF,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:400 700;font-display:swap;
src:url(fonts/source-serif-4-normal-latin-ext.woff2) format("woff2");unicode-range:U+100-2AF,U+304,U+308,U+329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:400 700;font-display:swap;
src:url(fonts/source-serif-4-italic-latin.woff2) format("woff2");unicode-range:U+0-FF,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:400 700;font-display:swap;
src:url(fonts/source-serif-4-italic-latin-ext.woff2) format("woff2");unicode-range:U+100-2AF,U+304,U+308,U+329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Atkinson;font-style:normal;font-weight:400 700;font-display:swap;
src:url(fonts/AtkinsonHyperlegibleNext.woff2) format("woff2")}
:root{
--paper:#060b16;--paper-2:#0a1222;--panel:#0b1322;--panel-solid:#0d1526;
--ink:#edf2fa;--ink-dim:#b9c4d6;--ink-faint:#7f8ba1;
--line:#22304a;--line-soft:#1a2438;
--accent:#f2b544;--accent-deep:#c78a1d;--accent-ink:#1a1206;
--hud:#0a111ee6;--chip:#141d33;
--sky-0:#04070f;--sky-1:#0a1526;--sky-2:#12233d;--snow:#e8eef7;
--ok:#8fd0a4;
--serif:"Source Serif 4",Georgia,serif;--display:Fraunces,Georgia,serif;
--sans:Atkinson,system-ui,-apple-system,"Segoe UI",sans-serif;
--bar-h:2.9rem;color-scheme:dark}
[data-theme="light"]{
--paper:#f3eee2;--paper-2:#ece5d4;--panel:#faf6ec;--panel-solid:#fffdf6;
--ink:#191712;--ink-dim:#4a463c;--ink-faint:#655f52;
--line:#d3c9b2;--line-soft:#e2d9c4;
--accent:#9a6206;--accent-deep:#7c4d04;--accent-ink:#fffdf6;
--hud:#faf6ecf2;--chip:#e9e1cd;
--sky-0:#dfe4ea;--sky-1:#eef1f4;--sky-2:#f7f4ea;--snow:#5a6b84;
--ok:#1e6b3a;color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html:focus-within{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);
font-size:1.075rem;line-height:1.72;-webkit-text-size-adjust:100%}
::selection{background:var(--accent);color:var(--accent-ink)}
a{color:inherit;text-decoration-color:var(--accent);text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
html:not(.js) .needs-js{display:none!important}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* top bar: one line */
.skip{position:absolute;left:.6rem;top:-3rem;z-index:60;background:var(--accent);color:var(--accent-ink);
font-family:var(--sans);font-size:.85rem;padding:.5rem .9rem;border-radius:3px;text-decoration:none;transition:top .15s}
.skip:focus{top:.4rem}
.topbar{position:sticky;top:0;z-index:50;height:var(--bar-h);display:flex;align-items:center;gap:.9rem;
padding:0 .9rem;background:var(--panel-solid);border-bottom:1px solid var(--line);
font-family:var(--sans);font-size:.86rem}
.topbar .home{font-weight:700;text-decoration:none;white-space:nowrap;letter-spacing:-.01em}
.topnav{display:flex;gap:.15rem;overflow-x:auto;scrollbar-width:none;white-space:nowrap}
.topnav::-webkit-scrollbar{display:none}
.topnav a{text-decoration:none;color:var(--ink-dim);padding:.45rem .55rem;border-radius:3px}
.topnav a[aria-current]{color:var(--ink)}
.topnav a:hover{color:var(--accent)}
.spacer{flex:1 1 auto}
.chip{text-decoration:none;border:1px solid var(--line);border-radius:99px;padding:.28rem .8rem;
color:var(--ink-dim);white-space:nowrap}
.chip:hover{color:var(--accent);border-color:var(--accent)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:2.1rem;height:2.1rem;
border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);cursor:pointer;flex:none}
.icon-btn:hover{color:var(--accent);border-color:var(--accent)}
.icon-btn svg{display:block}
.icon-btn svg[hidden]{display:none}
/* reading rail */
.rail{position:fixed;right:.7rem;top:50%;transform:translateY(-50%);z-index:40;display:none;
flex-direction:column;gap:.35rem;align-items:flex-end}
@media(min-width:1100px){.rail{display:flex}}
.rail a{position:relative;display:flex;align-items:center;gap:.5rem;text-decoration:none;color:var(--ink-faint);
font-family:var(--sans);font-size:.72rem}
.rail a span{position:absolute;right:calc(100% + .5rem);top:50%;transform:translateY(-50%);white-space:nowrap;opacity:0;transition:opacity .15s;pointer-events:none}
.rail a:hover span,.rail a:focus-visible span,.rail a[aria-current] span{opacity:1}
.rail a i{width:.5rem;height:.5rem;border-radius:50%;background:var(--line);flex:none}
.rail a[aria-current] i{background:var(--accent)}
/* stage: the night itself */
.stage{position:fixed;inset:0;z-index:0;background:linear-gradient(var(--sky-0),var(--sky-1) 55%,var(--sky-2))}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
html.no-gl .stage canvas{display:none}
/* HUD: the winter, always in sight */
.hud{position:fixed;left:0;right:0;bottom:0;z-index:45;display:flex;align-items:center;gap:.55rem .9rem;
flex-wrap:wrap;padding:.5rem .9rem calc(.5rem + env(safe-area-inset-bottom));background:var(--panel-solid);
border-top:1px solid var(--line);
font-family:var(--sans);font-size:.8rem;font-variant-numeric:tabular-nums;color:var(--ink-dim)}
.hud-day{color:var(--ink);font-weight:700;white-space:nowrap}
.hud-mass{display:inline-flex;align-items:center;gap:.5rem;white-space:nowrap}
.massbar{display:inline-block;width:5.5rem;height:.45rem;background:var(--line-soft);border-radius:99px;overflow:hidden}
.massfill{display:block;height:100%;width:100%;background:var(--accent);border-radius:99px}
.hud-temp,.hud-huddle{white-space:nowrap}
.hud-huddle{color:var(--accent)}
.snd{margin-left:auto;display:inline-flex;align-items:center;gap:.45rem;background:transparent;
border:1px solid var(--line);border-radius:99px;color:var(--ink-dim);padding:.4rem .8rem;
font:inherit;cursor:pointer;min-height:2.4rem}
.snd:hover{color:var(--accent);border-color:var(--accent)}
.snd[aria-pressed="true"]{color:var(--accent);border-color:var(--accent)}
.snd[aria-pressed="true"] .w{display:none}
/* article */
main{position:relative;z-index:1}
article{max-width:44rem;margin:0 auto;padding:0 1.1rem 4rem}
.hero{min-height:calc(100svh - var(--bar-h));display:flex;flex-direction:column;justify-content:flex-end;
padding:22vh 0 4.5rem}
.place{font-family:var(--sans);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
color:var(--accent);margin:0 0 1rem}
.hero h1{font-family:var(--display);font-weight:750;font-size:clamp(2.4rem,7vw,4.2rem);
line-height:1.04;letter-spacing:-.02em;max-width:20ch;margin:0 0 1.2rem;
font-variation-settings:"SOFT" 40,"WONK" 1}
.deck{font-size:1.25rem;line-height:1.55;color:var(--ink);max-width:34ch;margin:0 0 1.4rem}
.byline{font-family:var(--sans);font-size:.85rem;color:var(--ink-dim);margin:0}
.share-line{margin:.5rem 0 0}
.share-btn{background:none;border:none;padding:.3rem 0;color:var(--ink-faint);font-family:var(--sans);
font-size:.85rem;cursor:pointer;text-decoration:underline;text-underline-offset:.2em;text-decoration-color:var(--line)}
.share-btn:hover{color:var(--accent)}
.share-state{font-family:var(--sans);font-size:.85rem;color:var(--ok);margin-left:.6rem}
.share-state:empty{display:none}
.hero-sound{font-family:var(--sans);font-size:.85rem;color:var(--ink-faint);margin:.9rem 0 0;max-width:44ch}
.begin-row{margin:1.6rem 0 0}
.begin{display:inline-block;font-family:var(--sans);font-weight:700;font-size:1rem;text-decoration:none;
background:var(--accent);color:var(--accent-ink);padding:.85rem 1.7rem;border-radius:99px}
.begin:hover{color:var(--accent-ink);filter:brightness(1.07)}
.scroll-cue{font-family:var(--sans);font-size:.8rem;color:var(--ink-faint);margin:1.2rem 0 0}
@media(prefers-reduced-motion:no-preference){
.scroll-cue{animation:cue 2.6s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.55}50%{opacity:1}}}
section{scroll-margin-top:calc(var(--bar-h) + .8rem)}
.chapter,.block{background:var(--panel);border:1px solid var(--line);border-radius:6px;
padding:clamp(1.4rem,4vw,2.6rem);margin:0 0 clamp(2.5rem,8vh,5rem)}
.chapter:first-of-type{margin-top:0}
.kick{display:flex;align-items:baseline;gap:.7rem;font-family:var(--sans);font-size:.82rem;
letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 .7rem}
.kick .num{display:inline-flex;align-items:center;justify-content:center;min-width:1.7rem;height:1.7rem;
border:1px solid var(--accent);color:var(--accent);border-radius:50%;font-size:.8rem;letter-spacing:0}
.chapter h2,.block h2{font-family:var(--display);font-weight:700;font-size:clamp(1.7rem,4.6vw,2.5rem);
line-height:1.1;letter-spacing:-.015em;margin:0 0 1rem}
.chapter h2 .anchor,.block h2 .anchor{color:inherit;text-decoration:none}
.chapter h2 .anchor:hover,.block h2 .anchor:hover{color:var(--accent)}
.chapter p,.block p{margin:0 0 1.05rem;max-width:62ch}
.chapter p:last-child{margin-bottom:0}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:0 0 1.3rem}
.chips li{font-family:var(--sans);font-size:.8rem;background:var(--chip);border:1px solid var(--line);
border-radius:99px;padding:.35rem .85rem;font-variant-numeric:tabular-nums;white-space:nowrap}
figure{margin:1.4rem 0 0}
figure img{display:block;width:100%;height:auto;border-radius:4px;background:var(--line-soft)}
figcaption{font-family:var(--sans);font-size:.82rem;line-height:1.55;color:var(--ink-dim);margin:.7rem 0 0}
.credit{color:var(--ink-faint)}
/* the hold */
.hold{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
padding:1.2rem 0;margin:1.3rem 0}
.hold-line{font-family:var(--display);font-size:1.4rem;font-style:italic;margin:0 0 1rem}
.hold-btn{position:relative;display:block;width:100%;min-height:4rem;overflow:hidden;cursor:pointer;
background:var(--chip);color:var(--ink);border:1px solid var(--accent);border-radius:6px;
font-family:var(--sans);font-weight:700;font-size:1.02rem;touch-action:none;user-select:none;
-webkit-user-select:none;-webkit-touch-callout:none}
.hold-fill{position:absolute;inset:0;width:0;background:var(--accent);opacity:.85}
.hold-label{position:relative;z-index:1;padding:0 1rem}
.hold.held .hold-btn{border-color:var(--ok)}
.hold.held .hold-fill{background:var(--ok)}
.hold-note{font-family:var(--sans);font-size:.84rem;color:var(--ink-faint);margin:.7rem 0 0}
.held-note{border-left:3px solid var(--ok);padding:.4rem 0 .4rem 1rem;font-style:italic}
/* her line + calls */
.her-line{font-family:var(--sans);font-size:.95rem;border-top:1px solid var(--line-soft);
padding-top:1rem;margin-top:1.2rem;font-variant-numeric:tabular-nums}
.calls{border-top:1px solid var(--line-soft);margin-top:1.3rem;padding-top:1.2rem}
.call{display:block;width:100%;text-align:left;background:var(--chip);color:var(--ink);
border:1px solid var(--line);border-radius:6px;font-family:var(--sans);font-size:.98rem;
padding:1rem 1.1rem;margin:0 0 .6rem;cursor:pointer;min-height:3.2rem}
.call:hover{border-color:var(--accent)}
.call[aria-pressed="true"]{border-color:var(--accent);color:var(--accent)}
.call-note{font-family:var(--sans);font-size:.84rem;color:var(--ink-dim);line-height:1.6}
/* relay ending */
.stat-card{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;font-family:var(--display);
font-weight:700;font-size:clamp(1.3rem,3.6vw,1.8rem);margin:1.6rem 0 .4rem}
.stat-card span{white-space:nowrap}
.stat-card span+span{border-left:1px solid var(--line);padding-left:1.4rem}
.closing{font-family:var(--display);font-style:italic;font-size:clamp(1.5rem,4.4vw,2.1rem);
line-height:1.25;margin:1.6rem 0 0}
/* method + sources */
.studies{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:.84rem;margin:1.2rem 0 0}
.studies caption{text-align:left;color:var(--ink-faint);padding-bottom:.6rem;font-size:.8rem}
.studies th,.studies td{text-align:left;padding:.55rem .6rem;border-top:1px solid var(--line-soft);
vertical-align:top}
.studies thead th{border-top:none;border-bottom:1px solid var(--line);color:var(--ink-dim);
font-weight:700;font-size:.76rem;letter-spacing:.06em;text-transform:uppercase}
.srcs{list-style:none;padding:0;margin:0}
.srcs li{padding:.6rem 0;border-top:1px solid var(--line-soft);font-size:.95rem;line-height:1.6}
.srcs li a{font-family:var(--sans);font-size:.82rem;color:var(--ink-faint);word-break:break-all}
.srcs li a:hover{color:var(--accent)}
.foot{position:relative;z-index:1;border-top:1px solid var(--line);padding:1.4rem 1.1rem 6rem;
font-family:var(--sans);font-size:.84rem;color:var(--ink-faint);text-align:center}
.foot p{margin:.3rem 0}
/* 404 */
body.nf{display:flex;min-height:100svh;align-items:center;justify-content:center;text-align:center}
body.nf h1{font-family:var(--display);font-size:clamp(2rem,6vw,3rem)}
/* small screens */
@media(max-width:430px){
body{font-size:1rem}
.hero{padding-top:9vh;padding-bottom:7.5rem}
.hero h1{font-size:2.05rem}
.deck{font-size:1.06rem;line-height:1.5;margin-bottom:1rem}
.hero-sound{margin-top:.6rem}
.begin-row{margin-top:1.1rem}
.scroll-cue{margin-top:.7rem}
.topbar{gap:.6rem;padding:0 .6rem}
.topbar .home{font-size:.8rem}
.hud{font-size:.74rem;gap:.4rem .7rem;padding:.45rem .6rem calc(.45rem + env(safe-area-inset-bottom))}
.massbar{width:3.6rem}
.snd{min-height:2.2rem;padding:.3rem .65rem}
article{padding:0 .85rem 4rem}
.studies{display:block;overflow-x:auto}
.stat-card span+span{border-left:none;padding-left:0}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{animation:none!important;transition:none!important}
}