:root{
  --deep:#0a2543;
  --panel:#0f335c;
  --panel-2:#123c6c;
  --line:#dceaf7;
  --line-dim:#8fb0d1;
  --line-faint:#5b7fa4;
  --brass:#d19a4c;
  --brass-bright:#f0bc76;
  --danger:#e0663a;
  --danger-dim:#a84f34;
  --ok:#6fb98f;
  --grid:rgba(220,234,247,.14);
  --grid-strong:rgba(220,234,247,.28);
  --shadow:0 18px 40px rgba(3,12,26,.45);
  --radius:2px;
  --focus:#f0bc76;
}

*{box-sizing:border-box}
html{background:var(--deep)}
html.no-js .js-only{display:none}
body{
  margin:0;background:var(--deep);color:var(--line);
  font-family:"Source Serif 4",Georgia,"Times New Roman",serif;
  font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:var(--brass);color:var(--deep)}

a{color:var(--brass-bright)}
a:hover{color:var(--brass)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

.mono{font-family:"Space Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}
.display,h1,h2,h3{font-family:"Space Grotesk","Arial Narrow",Arial,sans-serif;letter-spacing:-.01em}

.wrap{max-width:920px;margin:0 auto;padding:0 1.5rem}

/* ---------- topbar ---------- */
.topbar{
  position:relative;z-index:5;
  border-bottom:1px solid var(--grid);
  background:linear-gradient(180deg,var(--deep),rgba(10,37,67,.92));
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:.9rem;padding-bottom:.9rem;gap:1rem}
.brandmark{
  font-family:"Space Mono",monospace;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--line-dim);
}
.langlinks{display:flex;gap:.6rem;font-family:"Space Mono",monospace;font-size:.76rem;letter-spacing:.06em}
.langlinks a{padding:.3rem .55rem;border:1px solid var(--grid-strong);border-radius:var(--radius);color:var(--line-dim);text-decoration:none}
.langlinks a[aria-current="page"]{color:var(--deep);background:var(--brass-bright);border-color:var(--brass-bright)}
.langlinks a:hover{color:var(--line)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 600px at 82% -10%, rgba(209,154,76,.16), transparent 60%),
    linear-gradient(180deg, var(--deep) 0%, #0b2a4d 60%, var(--panel) 100%);
  padding:3.6rem 0 3rem;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg, var(--grid) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(90deg, var(--grid) 0 1px, transparent 1px 88px);
  opacity:.55;
  mask-image:linear-gradient(180deg,black,transparent 92%);
}
.eyebrow{
  position:relative;font-family:"Space Mono",monospace;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brass-bright);margin:0 0 1.1rem;display:flex;align-items:center;gap:.6rem
}
.eyebrow::before{content:"";width:1.6rem;height:1px;background:var(--brass-bright)}
h1{
  position:relative;margin:0 0 1.1rem;font-weight:600;
  font-size:clamp(2.1rem, 5.6vw, 3.6rem);line-height:1.08;color:#fff;
  max-width:15ch;
}
h1 .accent{color:var(--brass-bright)}
.standfirst{
  position:relative;font-size:1.18rem;line-height:1.56;max-width:56ch;color:var(--line);
  margin:0 0 2rem;
}
.standfirst b{color:#fff;font-weight:600}

.statrow{position:relative;display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--grid-strong);margin-top:1.6rem}
.stat{flex:1 1 150px;padding:1rem 1.2rem 0 0;border-right:1px solid var(--grid);min-width:150px}
.stat:last-child{border-right:none}
.stat .k{font-family:"Space Mono",monospace;font-size:1.7rem;color:var(--brass-bright);line-height:1.1}
.stat .l{font-size:.82rem;color:var(--line-dim);margin-top:.35rem;max-width:22ch;font-family:"Source Serif 4",serif}

/* ---------- sections ---------- */
section{padding:3.2rem 0}
.section-alt{background:var(--panel)}
.section-deep{background:#082040}
.kicker{
  font-family:"Space Mono",monospace;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brass-bright);margin:0 0 .7rem;
}
h2{font-size:clamp(1.55rem,3.2vw,2.05rem);line-height:1.2;margin:0 0 1rem;color:#fff;max-width:22ch}
.lede{font-size:1.08rem;max-width:62ch;color:var(--line);margin:0 0 1.6rem}
p{margin:0 0 1.15rem;max-width:62ch}
.section-alt p, .section-deep p{color:var(--line)}

/* ---------- instrument ---------- */
.instrument{
  border:1px solid var(--grid-strong);border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.08)), var(--panel-2);
  padding:1.6rem 1.6rem 1.4rem;box-shadow:var(--shadow);
}
.instrument-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap;margin-bottom:.6rem}
.instrument-label{font-family:"Space Mono",monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--line-dim)}
.readout{font-family:"Space Mono",monospace;text-align:right}
.readout .val{font-size:1.5rem;color:var(--brass-bright)}
.readout .unit{font-size:.75rem;color:var(--line-dim);margin-left:.3rem}

.gauge-row{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:1.6rem;align-items:center}
@media (max-width:640px){.gauge-row{grid-template-columns:1fr}}

.gauge-wrap{position:relative}
.gauge-wrap svg{display:block;width:100%;height:auto}
.gauge-caption{font-family:"Space Mono",monospace;font-size:.7rem;color:var(--line-dim);text-align:center;margin-top:.4rem}

#gauge-needle{transform-origin:130px 128px;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
@media (prefers-reduced-motion:reduce){#gauge-needle{transition:none}}

.chart-box{position:relative}
.chart-box svg{display:block;width:100%;height:auto}
#chart-cursor{transition:transform .12s linear}
@media (prefers-reduced-motion:reduce){#chart-cursor{transition:none}}

.scrubber{margin-top:1.1rem}
.scrubber input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:2px;background:var(--grid-strong);
  border-radius:2px;outline-offset:6px;
}
.scrubber input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;
  background:var(--brass-bright);border:2px solid var(--deep);cursor:pointer;margin-top:-7px;
}
.scrubber input[type=range]::-moz-range-thumb{
  width:16px;height:16px;border-radius:50%;background:var(--brass-bright);border:2px solid var(--deep);cursor:pointer;
}
.scrubber-labels{display:flex;justify-content:space-between;font-family:"Space Mono",monospace;font-size:.72rem;color:var(--line-dim);margin-top:.3rem}

.leap-note{
  margin-top:1rem;padding:.7rem .9rem;border:1px solid var(--grid-strong);border-left:3px solid var(--brass);
  font-family:"Space Mono",monospace;font-size:.82rem;color:var(--line);min-height:2.6em;display:flex;align-items:center;
}
.leap-note.is-reset{border-left-color:var(--danger)}
.leap-note b{color:var(--brass-bright);font-weight:700}
.leap-note.is-reset b{color:var(--danger)}

.legend{display:flex;flex-wrap:wrap;gap:1.1rem;margin-top:1rem;font-family:"Space Mono",monospace;font-size:.74rem;color:var(--line-dim)}
.legend span{display:inline-flex;align-items:center;gap:.4rem}
.legend i{width:10px;height:10px;display:inline-block;border-radius:1px}

/* ---------- decade bars ---------- */
.decades{display:grid;grid-template-columns:repeat(7,1fr);gap:.5rem;margin:1.6rem 0 .4rem;align-items:end}
.decade-col{display:flex;flex-direction:column;align-items:center;gap:.4rem}
.decade-bar-track{width:100%;height:120px;position:relative;border-bottom:1px solid var(--grid-strong)}
.decade-bar{position:absolute;left:10%;right:10%;bottom:50%;background:var(--brass);border-radius:1px}
.decade-bar.negative{background:var(--danger)}
.decade-zero{position:absolute;left:0;right:0;bottom:50%;height:1px;background:var(--grid-strong)}
.decade-label{font-family:"Space Mono",monospace;font-size:.72rem;color:var(--line-dim)}
.decade-val{font-family:"Space Mono",monospace;font-size:.7rem;color:var(--line-dim)}
@media (max-width:640px){.decades{grid-template-columns:repeat(4,1fr);row-gap:1.4rem}}

/* ---------- pull quote ---------- */
.pull{
  border-left:3px solid var(--brass);padding:.2rem 0 .2rem 1.3rem;margin:1.8rem 0;
  font-family:"Space Grotesk",sans-serif;font-size:1.2rem;line-height:1.44;color:#fff;max-width:44ch;
}
.pull cite{display:block;margin-top:.6rem;font-family:"Space Mono",monospace;font-size:.76rem;font-style:normal;color:var(--line-dim)}

/* ---------- timeline dispatch ---------- */
.dispatch{
  border:1px solid var(--grid-strong);background:var(--panel);padding:1.1rem 1.3rem;margin:1.6rem 0;
  font-family:"Space Mono",monospace;font-size:.86rem;line-height:1.7;color:var(--line);
}
.dispatch .tag{color:var(--brass-bright);letter-spacing:.08em}

/* ---------- sources ---------- */
.sources h2{color:#fff}
.src-group{margin-bottom:1.6rem}
.src-group h3{font-size:1rem;color:var(--brass-bright);margin:0 0 .6rem;font-family:"Space Mono",monospace;letter-spacing:.04em;text-transform:uppercase;font-weight:400}
.src-list{list-style:none;margin:0;padding:0}
.src-list li{padding:.55rem 0;border-top:1px solid var(--grid)}
.src-list li:first-child{border-top:none}
.src-list a{color:var(--line);text-decoration:underline;text-decoration-color:var(--line-faint);text-underline-offset:3px}
.src-list a:hover{color:var(--brass-bright)}
.src-meta{display:block;font-family:"Space Mono",monospace;font-size:.76rem;color:var(--line-dim);margin-top:.2rem}
.status-note{font-size:.92rem;color:var(--line-dim);margin-top:1.2rem;max-width:60ch}

/* ---------- footer ---------- */
footer{
  padding:2.2rem 0 3rem;border-top:1px solid var(--grid);background:#071c37;
  font-family:"Space Mono",monospace;font-size:.82rem;color:var(--line-dim);
}
footer .wrap{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;justify-content:space-between;align-items:center}
footer a{color:var(--line-dim);text-decoration:underline;text-decoration-color:var(--line-faint)}
footer a:hover{color:var(--brass-bright)}
footer .fline{display:flex;gap:1.2rem;flex-wrap:wrap}

/* ---------- back to top ---------- */
.totop-static{display:block;text-align:center;padding:1rem 0;font-family:"Space Mono",monospace;font-size:.78rem}
.totop-static a{color:var(--line-dim)}
footer a.totop{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:20;
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:var(--brass-bright);color:var(--deep);border-radius:50%;text-decoration:none;
  box-shadow:0 6px 18px rgba(3,12,26,.5);
  padding-bottom:env(safe-area-inset-bottom,0);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
footer a.totop.is-visible{opacity:1;pointer-events:auto}
@media (prefers-reduced-motion:reduce){footer a.totop{transition:none}}

/* ---------- utility ---------- */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brass-bright);color:var(--deep);padding:.6rem 1rem;z-index:50}
.skip-link:focus{left:1rem;top:1rem}

@media (max-width:480px){
  body{font-size:16px}
  .stat{flex-basis:100%;border-right:none;border-bottom:1px solid var(--grid);padding-bottom:.8rem;margin-bottom:.4rem}
}