@font-face{font-family:"Fraunces";font-style:normal;font-weight:100 900;font-display:swap;src:url(fonts/fraunces-normal-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,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:100 900;font-display:swap;src:url(fonts/fraunces-normal-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,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:100 900;font-display:swap;src:url(fonts/fraunces-italic-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,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:100 900;font-display:swap;src:url(fonts/fraunces-italic-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,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:"Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/IBMPlexMono-400-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/IBMPlexMono-400-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,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:"Plex Mono";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/IBMPlexMono-600-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Plex Mono";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/IBMPlexMono-600-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
:root{
  --bg:#f6f3ee;--bg2:#ece7dc;--card:#fbf9f5;--ink:#1b1a17;--ink2:#3a372f;--muted:#4a463f;
  --line:#6d675b;--rule:#d8d1c3;--count:#2b4a63;--est:#8a1f1a;--estimate:#8a1f1a;--wide:#594720;--accent:#2b4a63;--accent-ink:#f6f3ee;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;--mono:"Plex Mono",ui-monospace,Menlo,monospace;
  --bar:3rem;color-scheme:light
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#15140f;--bg2:#1c1b15;--card:#201f19;--ink:#ece7dc;--ink2:#d4cdbd;--muted:#b8b1a2;
  --line:#8d8677;--rule:#3a372e;--count:#8fb4d3;--est:#ec9c96;--estimate:#ec9c96;--wide:#d0b57d;--accent:#8fb4d3;--accent-ink:#15140f;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#15140f;--bg2:#1c1b15;--card:#201f19;--ink:#ece7dc;--ink2:#d4cdbd;--muted:#b8b1a2;
  --line:#8d8677;--rule:#3a372e;--count:#8fb4d3;--est:#ec9c96;--estimate:#ec9c96;--wide:#d0b57d;--accent:#8fb4d3;--accent-ink:#15140f;color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.125rem/1.62 var(--serif);font-optical-sizing:auto;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:var(--accent);text-underline-offset:.16em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--card);color:var(--ink);padding:.5rem 1rem;z-index:80}
.skip:focus{left:8px;top:8px}
.defs{position:absolute;width:0;height:0;overflow:hidden}
section{scroll-margin-top:calc(var(--bar) + 8px)}
h1,h2,h3{font-family:var(--serif);line-height:1.15;margin:0;text-wrap:balance;font-optical-sizing:auto}
button,select,input{font:inherit}
p{margin:0 0 1em}
.wrap{max-width:calc(66ch + 32px);margin:0 auto;padding:0 max(16px,env(safe-area-inset-left))}
.wrap.wide{max-width:calc(1100px + 32px)}
.prose{max-width:66ch}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;height:var(--bar);display:flex;align-items:center;gap:.7rem;padding:0 max(16px,env(safe-area-inset-left));
  background:var(--bg);border-bottom:1px solid var(--rule);font:500 .84rem/1 var(--mono)}
.home{color:var(--ink);text-decoration:none;white-space:nowrap;font-weight:600}
.topnav{display:flex;gap:1rem;overflow-x:auto;scrollbar-width:none;min-width:0;flex:0 1 auto;margin-left:.6rem}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--ink2);text-decoration:none;white-space:nowrap;padding:.95rem .1rem}
.topnav a:hover{color:var(--accent);text-decoration:underline}
.spacer{flex:1}
.chip{display:inline-flex;align-items:center;min-height:32px;padding:0 .7rem;border:1px solid var(--line);border-radius:999px;color:var(--ink);text-decoration:none;font-weight:600}
.icon-btn{width:34px;height:34px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);cursor:pointer}
.icon-btn svg{display:block}.icon-btn svg[hidden]{display:none}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none}
.progress span{display:block;height:100%;width:100%;transform-origin:left;transform:scaleX(0);background:var(--accent)}
@media (max-width:900px){.topnav{display:none}}
@media (pointer:coarse){.chip,.icon-btn{min-height:44px;min-width:44px}.icon-btn{width:44px;height:44px}}

/* reading rail */
.rail{position:fixed;right:1.4rem;top:50%;transform:translateY(-50%);z-index:40;display:none;flex-direction:column;gap:.15rem}
@media (min-width:76rem){.rail{display:flex}}
.rail a{display:flex;align-items:center;justify-content:flex-end;gap:.55rem;height:22px;text-decoration:none;color:var(--ink)}
.rail a span{position:absolute;right:1.5rem;white-space:nowrap;font:500 .74rem/1 var(--mono);background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:.3rem .5rem;visibility:hidden}
.rail a:hover span,.rail a:focus-visible span{visibility:visible}
.rail a i{width:7px;height:7px;border-radius:50%;background:var(--line);flex:none;transition:transform .15s}
.rail a[aria-current="true"] i{background:var(--accent);transform:scale(1.5)}
@media print{.rail{display:none!important}}

/* hero */
.hero{padding:clamp(2.2rem,7vh,4.5rem) 0 clamp(1.6rem,4vh,2.6rem)}
.kicker{font:600 .78rem/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--est);margin:0 0 1rem}
h1{font-weight:350;font-size:clamp(2rem,4.6vw,3.3rem);letter-spacing:-.018em;line-height:1.08;max-width:24ch;font-variation-settings:"opsz" 144}
.deck{font-size:clamp(1.12rem,2vw,1.32rem);line-height:1.5;max-width:60ch;margin:1.2rem 0 0;color:var(--ink2)}
.updated{font:500 .8rem/1.4 var(--mono);color:var(--muted);margin:1.1rem 0 .9rem}

/* share */
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}
.share-label{font:500 .78rem/1 var(--mono);color:var(--muted);margin-right:.3rem}
.sh{width:40px;height:40px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);cursor:pointer;text-decoration:none}
.sh:hover{border-color:var(--accent);color:var(--accent)}
@media (pointer:coarse){.sh{width:44px;height:44px}}
.copied{margin:0;font:500 .8rem/1 var(--mono);min-height:1em;flex-basis:100%;color:var(--ink2)}
.share-end{margin-top:2.4rem}

/* sections */
.sec{padding:clamp(2.4rem,6vh,4rem) 0;border-top:1px solid var(--rule)}
.sec.alt{background:var(--bg2)}
.sec h2{font-weight:400;font-size:clamp(1.55rem,3.4vw,2.35rem);letter-spacing:-.012em;margin-bottom:1.1rem;max-width:30ch}
.sec h3{font-weight:500;font-size:1.28rem;margin:2rem 0 .7rem;max-width:44ch}
.sec p,.sec li{max-width:66ch}
.note{font:500 .84rem/1.5 var(--mono);color:var(--muted);max-width:76ch}
.card{background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:1.1rem 1.25rem}
em{font-style:italic}

/* wide sections: headings and prose keep the reading column of the narrow sections (centred), the data blocks break out to the wide column */
.wrap.wide>:is(p,ul.items,ol.items,.note,.plain){max-width:66ch;margin-left:auto;margin-right:auto;width:100%}
.wrap.wide>h2{max-width:48rem;margin-left:auto;margin-right:auto;width:100%}
.wrap.wide .tbl-deaths{max-width:66ch;margin-left:auto;margin-right:auto}
.wrap.wide .tree>.note{max-width:66ch}

/* ladder */
.legend{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;margin:1.2rem 0 1rem;padding:0;list-style:none;font:500 .82rem/1.3 var(--mono)}
.legend li{display:flex;align-items:center;gap:.5rem;max-width:none}
.legend svg{flex:none}
.ladder{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.ladder>li{max-width:none;border-bottom:1px solid var(--rule)}
.rung>summary{display:grid;grid-template-columns:minmax(9rem,14rem) minmax(0,1fr) 1.4rem;gap:.2rem 1.2rem;align-items:baseline;padding:.9rem 0 .8rem;cursor:pointer;list-style:none}
.rung>summary::-webkit-details-marker{display:none}
.rung>summary::after{content:"+";grid-column:3;grid-row:1;font:600 1.3rem/1 var(--mono);color:var(--accent);text-align:center}
.rung[open]>summary::after{content:"−"}
.rung>summary:hover .lab{text-decoration:underline;text-decoration-thickness:1px}
.val{grid-column:1;grid-row:1;font:600 1.55rem/1.1 var(--mono);letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.rung.k-estimate .val{color:var(--est)}.rung.k-count .val{color:var(--count)}.rung.k-wide .val{color:var(--wide)}
.lab-wrap{grid-column:2;grid-row:1;min-width:0}
.lab{display:block;font-size:1.12rem;line-height:1.3;color:var(--ink)}
.sub{display:block;font:500 .82rem/1.4 var(--mono);color:var(--muted);margin-top:.15rem}
.kind{display:block;font:600 .7rem/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:.25rem}
.bar{grid-column:1 / span 3;grid-row:2;display:block;width:100%;height:20px;overflow:visible;margin-top:.45rem}
.bar.tall{height:36px}
.bar .tr{fill:none;stroke:var(--rule);stroke-width:1}
.bar .f-count{fill:var(--count)}
.bar .f-light{fill:var(--count);fill-opacity:.4;stroke:var(--count);stroke-width:1}
.bar .f-est{fill:url(#hatch);stroke:var(--est);stroke-width:1.2}
.bar .f-wide{fill:none;stroke:var(--wide);stroke-width:2.4;stroke-dasharray:1 5;stroke-linecap:round}
.bar .tick{stroke:var(--est);stroke-width:1.5}
.bar text{fill:var(--est);font:600 12px var(--mono)}
.hatch-ln{stroke:var(--est);stroke-width:2.2}
.panel{padding:.2rem 1.6rem 1.4rem 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem 2rem;max-width:1000px}
.panel h4{margin:0 0 .25rem;font:600 .72rem/1.3 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.panel p{margin:0;font-size:1rem;line-height:1.5;max-width:none}
.panel .extra{grid-column:1 / -1;border-left:3px solid var(--est);padding-left:.9rem}
@media (max-width:640px){
  .rung>summary{grid-template-columns:minmax(0,1fr) 1.4rem}
  .val{grid-column:1;grid-row:1}.lab-wrap{grid-column:1;grid-row:2}
  .rung>summary::after{grid-column:2;grid-row:1}.bar{grid-column:1 / span 2;grid-row:3}
  .panel{padding-right:0}
}
.tree{margin-top:2.6rem}
.tree svg{display:block;width:100%;max-width:760px;height:auto;margin:.8rem 0 1rem}
.tree .bx{fill:var(--card);stroke:var(--line);stroke-width:1.4}
.tree .bx.est{stroke:var(--est);stroke-width:2}
.tree .ar{stroke:var(--ink2);stroke-width:1.6;fill:none}
.tree .ah{fill:var(--ink2)}
.tree text{fill:var(--ink);font:600 15px var(--mono)}
.tree text.sm{font:500 12px var(--mono);fill:var(--muted)}
.tree .tree-m{display:none}
@media (max-width:640px){.tree .tree-d{display:none}.tree .tree-m{display:block;max-width:360px;margin-left:0}}
.tree-lines{padding-left:1.2rem}.tree-lines li{margin:.35em 0}

/* quotes */
.qcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,24rem),1fr));gap:1.2rem;margin-top:1.6rem}
.qcards .card{display:flex;flex-direction:column}
.qcards h3{margin:0 0 .6rem;font-size:1.22rem}
blockquote.q{margin:.5rem 0;padding:.1rem 0 .1rem 1rem;border-left:4px solid var(--line);font-size:1.08rem;line-height:1.5}
blockquote.q p{margin:0 0 .4em;max-width:none}
.q-meta{font:500 .76rem/1.4 var(--mono);color:var(--muted);margin:.2rem 0 .6rem}
.orig{font-size:.95rem;margin:.1rem 0 .7rem}
.orig summary{cursor:pointer;font:600 .76rem/1.4 var(--mono);color:var(--accent);padding:.25rem 0}
.orig blockquote{margin:.3rem 0 0}
cite{font-style:normal;font:500 .78rem/1.4 var(--mono);color:var(--muted);display:block;margin-top:auto;padding-top:.5rem}
.gloss{font-size:1rem;color:var(--ink2);margin:.7rem 0 0;max-width:none}

/* tables */
table{border-collapse:collapse;width:100%}
caption{text-align:left;font:600 .95rem/1.4 var(--mono);padding:0 0 .6rem}
th,td{padding:.55rem .8rem .55rem 0;border-bottom:1px solid var(--rule);text-align:left;vertical-align:baseline}
th{font:600 .74rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line)}
td.n,th.n{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
tr.total td{font-weight:700;border-top:2px solid var(--line)}
.tbl-deaths{max-width:36rem}
.tbl-sighet{margin:.4rem 0 1.2rem}
.tbl-sighet th,.tbl-sighet td{font-size:.95rem}
.tbl-sighet td.n{font-size:.9rem}
.gaps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,20rem),1fr));gap:1.1rem;margin-top:1rem}
.gap .h{font-size:1.12rem;font-weight:500;margin:0 0 .6rem}
.gap .pair{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.gap .pair.one{grid-template-columns:1fr}
.gap .pair div{border-top:3px solid var(--line);padding-top:.4rem;font-size:1rem;line-height:1.4}
.gap .pair .st{border-top-color:var(--count)}.gap .pair .rp{border-top-color:var(--wide)}
.gap p{margin:.7rem 0 0;font-size:.95rem;color:var(--ink2)}
@media (max-width:520px){.gap .pair{grid-template-columns:1fr}}

/* who decided */
.tbl-who{margin-top:1.4rem}
.tbl-who td:first-child{font-weight:500;width:24%}
.tbl-who td:nth-child(3){width:20%}
.chip-k{display:inline-flex;align-items:center;gap:.45rem;border:1.5px solid var(--line);border-radius:999px;padding:.2rem .7rem .2rem .5rem;font:600 .78rem/1.25 var(--mono)}
.chip-k svg{flex:none}
.chip-k.soviet svg{fill:var(--est)}.chip-k.built svg{fill:var(--count)}.chip-k.open svg{fill:none;stroke:var(--wide);stroke-width:2}
@media (max-width:760px){
  .tbl-who,.tbl-who tbody,.tbl-who tr,.tbl-who td{display:block;width:100%!important}
  .tbl-who thead{display:none}
  .tbl-who tr{background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:.8rem 1rem;margin-bottom:.9rem}
  .tbl-who td{border:0;padding:.25rem 0}
  .tbl-who td::before{content:attr(data-label);display:block;font:600 .7rem/1.3 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
}
.contrast{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr));gap:1.2rem}
.contrast h4{margin:0 0 .5rem;font-size:1.1rem;font-weight:500}
.contrast p{margin:0;font-size:1rem;max-width:none}
.plain{margin:2rem 0 1.2rem;padding:1.1rem 1.3rem;border:2px solid var(--line);border-radius:6px;font-size:1.12rem;max-width:66ch}
.closing{font-size:1.12rem}
ul.items,ol.src{padding-left:1.3rem}
ul.items li,ol.src li{margin:.5em 0}
ol.src li{font-size:1rem}
.foot{padding:2rem max(16px,env(safe-area-inset-left)) 3rem;border-top:1px solid var(--rule);font:500 .84rem/1.6 var(--mono);color:var(--ink2);text-align:center}
.foot a{color:var(--ink)}
.foot p{margin:0 0 .3rem}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.topbar,.share-row{display:none}}
.nf{padding-top:4rem}
.after{margin-top:1.6rem}
@media (max-width:760px){
  .tbl-sighet,.tbl-sighet tbody,.tbl-sighet tr,.tbl-sighet th,.tbl-sighet td{display:block;width:100%}
  .tbl-sighet thead{display:none}
  .tbl-sighet tr{background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:.7rem 1rem;margin-bottom:.8rem}
  .tbl-sighet th[scope=row]{border:0;padding:0 0 .3rem;font:600 .95rem/1.3 var(--serif);letter-spacing:0;text-transform:none;color:var(--ink)}
  .tbl-sighet td{border:0;padding:.2rem 0;text-align:left;white-space:normal;display:flex;justify-content:space-between;gap:1rem}
  .tbl-sighet td::before{content:attr(data-label);font:600 .7rem/1.4 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);flex:1 1 55%}
  .tbl-sighet td.n{text-align:right}
  .tbl-sighet td::before{text-align:left}
  .tbl-sighet caption{display:block;width:100%}
}