/* ============================================================================
   Nux — thenux.app
   Dark by default; light is an explicit, persisted choice (see /js/theme.js).
   The accent means DEVIATION and nothing else: healthy values render in ink.
   ========================================================================= */

@font-face{font-family:"PlexC";src:url(/fonts/plexcond-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"PlexC";src:url(/fonts/plexcond-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Plex";src:url(/fonts/plexsans-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex";src:url(/fonts/plexsans-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Mono";src:url(/fonts/mono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Mono";src:url(/fonts/mono-500.woff2) format("woff2");font-weight:500;font-display:swap}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg);color-scheme:dark}
html[data-theme="light"]{color-scheme:light}
body{background:var(--bg);color:var(--ink);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block}
::selection{background:var(--accent);color:var(--bg)}
:where(a,button,input):focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.u-hide{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:clamp(1.15rem,4vw,2.75rem)}

/* theme toggle, shared shape across all three designs */
.tt{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);
  background:transparent;color:var(--soft);cursor:pointer;padding:6px 10px;
  font-family:"Mono",monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  border-radius:var(--tr,0)}
.tt:hover{color:var(--ink);border-color:var(--ink)}
.tt__d{width:9px;height:9px;border:1.5px solid currentColor;border-radius:50%;
  background:linear-gradient(90deg,currentColor 50%,transparent 50%)}

/* D4 · MIX — D1's hairline grid + D3's accent blocks and heavy outer rules + D2's generous lede */
:root{
  --bg:#0A0B0D; --panel:#101216; --panel2:#15181D;
  --ink:#EDEEF0; --soft:#9BA1AB; --faint:#7B818C;
  --line:#212429; --line-2:#2E323A;
  --accent:#FF6B2C; --good:#35C98A;
  --tr:0;
}
html[data-theme="light"]{
  --bg:#FFFFFF; --panel:#FAFAFA; --panel2:#F2F3F5;
  --ink:#0C0E11; --soft:#4E545E; --faint:#5F656D;
  --line:#E4E6EA; --line-2:#CFD3D9;
  --accent:#B83C08; --good:#0E7A55;
}
body{font-family:"Plex",system-ui,sans-serif}

.bar{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line)}
.bar__in{display:flex;align-items:stretch;height:56px}
.bar__brand{display:flex;align-items:center;gap:10px;padding-right:26px;border-right:1px solid var(--line)}
.wm{font-family:"PlexC";font-weight:700;font-size:20px;letter-spacing:-.015em}
.bar__nav{display:flex;align-items:stretch}
.bar__nav a{display:flex;align-items:center;padding:0 20px;border-right:1px solid var(--line);
  font-family:"Mono";font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--soft)}
.bar__nav a:hover{color:var(--ink);background:var(--panel)}
/* inset shadow, not a border: a border would resize the cell and shift the row */
.bar__nav a[aria-current]{color:var(--ink);background:var(--panel);
  box-shadow:inset 0 -2px 0 var(--accent)}
.bar__sp{flex:1;border-right:1px solid var(--line)}
.bar__end{display:flex;align-items:center;gap:12px;padding-left:20px}
.cta{font-family:"PlexC";font-weight:600;font-size:14.5px;letter-spacing:.005em;
  background:var(--accent);color:var(--bg);padding:8px 16px;border:1px solid var(--accent)}
.cta:hover{background:transparent;color:var(--accent)}
.cta--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.cta--ghost:hover{border-color:var(--ink);color:var(--ink);background:transparent}

/* hero on a visible grid */
.hero{border-bottom:1px solid var(--line)}
.hero__in{display:grid;grid-template-columns:1fr 1.02fr}
.hero__l{padding:56px 44px 48px 0;border-right:1px solid var(--line)}
.hero__r{padding:56px 0 48px 44px}
.kicker{font-family:"Mono";font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
h1{font-family:"PlexC";font-weight:700;font-size:clamp(2.7rem,1.5rem + 4vw,4.7rem);
  line-height:.97;letter-spacing:-.03em;margin-top:18px;text-wrap:balance}
.lede{margin-top:22px;color:var(--soft);font-size:1.12rem;line-height:1.62;max-width:42ch;text-wrap:pretty}
.acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;align-items:center}
.tlink{font-family:"Mono";font-size:12px;letter-spacing:.06em;color:var(--soft);
  border-bottom:1px solid var(--line-2);padding-bottom:2px;margin-left:6px}
.tlink:hover{color:var(--accent);border-color:var(--accent)}
.trust{margin-top:22px;font-family:"Mono";font-size:11px;color:var(--faint);letter-spacing:.03em}

/* readout panel — hairlines, never a floating card */
.readout{border:2px solid var(--ink);background:var(--panel)}
.readout__h{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:2px solid var(--ink);background:var(--panel2);
  font-family:"Mono";font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--faint)}
.dot{width:6px;height:6px;background:var(--good)}
.readout__q{padding:12px 14px;border-bottom:1px solid var(--line);font-family:"Mono";
  font-size:12.5px;color:var(--ink);background:var(--panel2)}
.readout__q::before{content:"> ";color:var(--faint)}
.rrow{display:flex;justify-content:space-between;gap:16px;padding:9px 14px;border-bottom:1px solid var(--line)}
.rrow__k{font-size:13.5px;color:var(--soft)}
.rrow__v{font-family:"Mono";font-size:13px;font-weight:500}
.up{color:var(--good)} .bad{color:var(--accent)}
.readout__f{padding:10px 14px;font-family:"Mono";font-size:11px;color:var(--faint)}

/* sections as labelled bands */
.band{border-bottom:1px solid var(--line)}
.band__in{display:grid;grid-template-columns:190px 1fr;gap:0}
.band__lab{padding:38px 24px 38px 0;border-right:1px solid var(--line)}
.tagblock{display:inline-block;background:var(--accent);color:var(--bg);
  font-family:"PlexC";font-weight:700;font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;padding:4px 9px}
.band__body{padding:38px 0 38px 44px}
h2{font-family:"PlexC";font-weight:700;font-size:clamp(1.6rem,1.2rem + 1.5vw,2.3rem);
  letter-spacing:-.02em;line-height:1.08}
.band__lede{margin-top:16px;color:var(--soft);max-width:56ch;font-size:1.06rem;line-height:1.62}
.two{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:28px;border:2px solid var(--ink)}
.two>div{padding:20px}
.two>div+div{border-left:1px solid var(--line)}
.note{border:2px solid var(--accent);background:var(--panel);padding:17px}
.note__h{display:flex;gap:8px;align-items:center;font-family:"Mono";font-size:11px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:9px}
.note__t{font-family:"PlexC";font-weight:600;font-size:1.08rem}
.note__b{font-family:"Mono";font-size:12.5px;color:var(--soft);margin-top:7px;line-height:1.55}
.spec{display:flex;justify-content:space-between;gap:16px;padding:7px 0;border-bottom:1px solid var(--line)}
.spec:last-child{border-bottom:0}
.spec dt{font-size:13.5px;color:var(--soft)}
.spec dd{font-family:"Mono";font-size:12.5px}

.cmds{display:grid;grid-template-columns:repeat(3,1fr);border:2px solid var(--ink);margin-top:26px}
.cmd{padding:16px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.cmd:nth-child(3n){border-right:0}
.cmd:nth-last-child(-n+3){border-bottom:0}
.cmd__n{font-family:"Mono";font-size:12.5px;font-weight:500;color:var(--accent)}
.cmd__d{font-size:13.2px;color:var(--soft);margin-top:6px;line-height:1.5}

.foot{padding:34px 0 46px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;
  font-family:"Mono";font-size:11.5px;color:var(--faint)}
.foot a{color:var(--soft)} .foot a:hover{color:var(--ink)}
.foot a.foot__brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.foot__sp{flex:1}
@media (max-width:900px){
  .hero__in,.band__in,.two,.cmds{grid-template-columns:1fr}
  .hero__l{border-right:0;padding:36px 0 26px}
  .hero__r{padding:0 0 40px}
  .band__lab{border-right:0;border-bottom:1px solid var(--line);padding:22px 0 12px}
  .band__body{padding:22px 0 34px}
  .two>div+div{border-left:0;border-top:1px solid var(--line)}
  .cmd{border-right:0}

  /* the nav does NOT disappear on a phone: the header becomes two rows, so the
     same four destinations are reachable at every width. */
  .bar__in{flex-wrap:wrap;height:auto}
  .bar__brand{height:52px;padding-right:16px}
  .bar__brand .wm{font-size:17px}
  .bar__sp{height:52px}
  .bar__end{height:52px;padding-left:14px}
  .bar__end .cta{font-size:13.5px;padding:7px 12px}
  .bar__nav{order:3;flex:0 0 100%;height:38px;border-top:1px solid var(--line)}
  .bar__nav a{flex:1;justify-content:center;padding:0 6px;font-size:10px;letter-spacing:.06em}
  .bar__nav a:last-child{border-right:0}
}
@media (max-width:400px){
  /* at 320px the brand + toggle + CTA overflow and the first row wraps to a
     143px header. The toggle's word is the cheapest thing to drop: the dot and
     its aria-label carry the control, and the CTA stays reachable. */
  .tt__l{display:none}
  .tt{padding:6px 8px}
}
.rsp{flex:1}
.wm--sm{font-size:16px}

/* ── F1 additions: E1's ledger rows as the data language throughout ───────── */
.ledger{border-top:1px solid var(--line)}
.lrow{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:baseline;
  padding:9px 0;border-bottom:1px solid var(--line)}
.lrow__k{font-size:13.5px;color:var(--soft)}
.lrow__v{font-family:"Mono";font-size:12.5px;font-weight:500;text-align:right;white-space:nowrap}
.lrow--cmd{grid-template-columns:190px 1fr;gap:22px}
.lrow--cmd .lrow__k{font-family:"Mono";font-size:12.5px;color:var(--accent)}
.lrow--cmd .lrow__v{font-family:var(--body,"Plex");font-weight:400;font-size:13.5px;
  color:var(--soft);text-align:left;white-space:normal;line-height:1.5}
.up{color:var(--good)} .bad{color:var(--accent)}

/* the hero readout, in the same ledger language but framed */
.rdt{border:2px solid var(--ink);background:var(--panel)}
.rdt__h{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--panel2);
  border-bottom:2px solid var(--ink);font-family:"Mono";font-size:10.5px;
  letter-spacing:.11em;text-transform:uppercase;color:var(--faint)}
.rdt__q{padding:11px 14px;font-family:"Mono";font-size:12.5px;color:var(--accent);
  border-bottom:1px solid var(--line)}
.rdt .lrow{padding:8px 14px;border-bottom:1px solid var(--line)}
.rdt .lrow:last-of-type{border-bottom:0}
.rdt__f{padding:9px 14px;border-top:1px solid var(--line);font-family:"Mono";
  font-size:10.5px;color:var(--faint)}
.dot{width:6px;height:6px;background:var(--good)}
.rsp{flex:1}

.close{padding-block:52px;border-top:1px solid var(--ink);text-align:left}
.close h2{max-width:18ch}
.close .acts{margin-top:24px}

/* ══ F2 media ══════════════════════════════════════════════════════════════ */

/* hero plot grid — a technical ground, not decoration. Costs no bytes. */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(to right,var(--line) 1px,transparent 1px),
                   linear-gradient(to bottom,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 78% 34%,#000 0%,transparent 72%);
  mask-image:radial-gradient(120% 90% at 78% 34%,#000 0%,transparent 72%);
  opacity:.85}
.hero__in{position:relative;z-index:1}

/* ── the device ─────────────────────────────────────────────────────────── */
.dev{--w:300px;width:var(--w);margin-inline:auto;position:relative}
.dev::after{content:"";position:absolute;left:8%;right:8%;bottom:-26px;height:38px;
  background:radial-gradient(60% 100% at 50% 0%,rgba(255,107,44,.20),transparent 70%);
  filter:blur(10px);pointer-events:none}
.dev__body{position:relative;border:2px solid var(--ink);border-radius:42px;
  background:var(--panel2);padding:10px;box-shadow:0 30px 60px -30px rgba(0,0,0,.9)}
.dev__island{position:absolute;top:20px;left:50%;transform:translateX(-50%);
  width:84px;height:24px;border-radius:13px;background:var(--ink);z-index:3}
.dev__screen{border-radius:32px;overflow:hidden;background:var(--tg-bg);
  height:598px;display:flex;flex-direction:column}

/* a stylised chat client, not a pixel copy of one */
:root{--tg-bg:#0E1319;--tg-bar:#161D26;--tg-in:#1B242F;--tg-out:#2A4257;--tg-ink:#E8ECF1;--tg-soft:#8D9AA8}
html[data-theme="light"]{--tg-bg:#EEF2F6;--tg-bar:#FFFFFF;--tg-in:#FFFFFF;--tg-out:#D6E7F7;--tg-ink:#12171D;--tg-soft:#5E6873}
.tg__bar{display:flex;align-items:center;gap:9px;padding:26px 13px 10px;background:var(--tg-bar);
  border-bottom:1px solid rgba(255,255,255,.06);flex:none}
.tg__av{width:26px;height:26px;border-radius:50%;background:var(--accent);display:grid;place-items:center;flex:none}
.tg__nm{font-size:13px;font-weight:600;color:var(--tg-ink);line-height:1.15}
.tg__st{font-size:10.5px;color:var(--accent);font-family:"Mono"}
.tg__thread{flex:1;overflow:hidden;padding:12px 11px;display:flex;flex-direction:column;gap:8px}
.tg{max-width:88%;padding:8px 11px;border-radius:13px;font-size:12px;line-height:1.45;color:var(--tg-ink)}
.tg--out{align-self:flex-end;background:var(--tg-out);border-bottom-right-radius:4px;
  font-family:"Mono";font-size:11.5px}
.tg--in{align-self:flex-start;background:var(--tg-in);border-bottom-left-radius:4px}
.tg__t{font-weight:600;font-size:12.5px}
.tg__sub{font-family:"Mono";font-size:10px;color:var(--tg-soft);margin-top:2px}
.tg__kv{display:grid;grid-template-columns:1fr auto;gap:2px 10px;margin-top:7px;
  font-family:"Mono";font-size:10.5px}
.tg__kv span:nth-child(odd){color:var(--tg-soft)}
.tg__kv span:nth-child(even){text-align:right}
.tg--alert{border-left:2px solid var(--accent)}
.tg__time{font-family:"Mono";font-size:9px;color:var(--tg-soft);text-align:right;margin-top:5px}
.tg__comp{flex:none;padding:9px 12px 14px;background:var(--tg-bar);display:flex;align-items:center;gap:9px}
.tg__field{flex:1;height:28px;border-radius:14px;background:var(--tg-in);display:flex;align-items:center;
  padding:0 12px;font-size:11.5px;color:var(--tg-soft)}
.tg__send{width:26px;height:26px;border-radius:50%;background:var(--accent);flex:none}

/* ── the deviation chart: real numbers, drawn ───────────────────────────── */
.chart{width:100%;height:150px;display:block;margin-top:10px}
.chart .grid{stroke:var(--line);stroke-width:1}
.chart .base{stroke:var(--soft);stroke-width:1.25;stroke-dasharray:3 3}
.chart .ser{fill:none;stroke:var(--ink);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.chart .hit{fill:var(--accent)}
.chart .lbl{fill:var(--faint);font-family:"Mono";font-size:8px;letter-spacing:.06em}
.chart .lbl--hot{fill:var(--accent)}
.chartcell{padding:18px 20px 12px}
.ledger--wide{margin-top:22px;border-top:1px solid var(--line)}
.ledger--wide .lrow{padding:9px 0}
.chartwrap__h{display:flex;justify-content:space-between;font-family:"Mono";font-size:10px;
  letter-spacing:.11em;text-transform:uppercase;color:var(--faint);margin-bottom:4px}

/* entrance: opacity and transform only, and reduced-motion keeps the meaning */
.rv{opacity:0;transform:translateY(14px);transition:opacity .6s cubic-bezier(.23,1,.32,1),
  transform .6s cubic-bezier(.23,1,.32,1)}
.rv.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}
  .dev::after{display:none}}

@media (max-width:900px){
  .dev{--w:270px}
  .dev__screen{height:490px}
  .hero::before{background-size:48px 48px}
}

/* ══ F3 ══ two devices, an animated thread, a response preview ═══════════ */

.devs{position:relative;display:flex;justify-content:flex-start;align-items:flex-start;
  min-height:670px;padding-top:8px;padding-right:98px;perspective:1400px}
.dev{position:relative}
.dev--tg{z-index:2}
.dev--ln{position:absolute;top:44px;left:57%;z-index:1;--w:238px;
  transform:rotate(5deg);transform-origin:bottom left;opacity:.96}
.dev--ln .dev__screen{height:472px;border-radius:26px}
.dev--ln .dev__body{border-radius:34px;padding:8px}
.dev--ln .dev__island{width:66px;height:19px;top:16px}
.dev--ln::after{display:none}

/* LINE-flavoured surface: light ground, green send */
.ln{--l-bg:#8FA9C4;--l-bar:#F4F6F8;--l-in:#FFFFFF;--l-out:#8DE05A;--l-ink:#1A1D21;--l-soft:#575F6C}
html[data-theme="light"] .ln{--l-bg:#A9C0D8}
.ln .dev__screen{background:var(--l-bg)}
.ln .tg__bar{background:var(--l-bar);border-bottom:1px solid rgba(0,0,0,.07)}
.ln .tg__nm{color:var(--l-ink)} .ln .tg__st{color:#0B6B2E}
.ln .tg__av{background:#06C755}
.ln .tg{color:var(--l-ink)}
.ln .tg--in{background:var(--l-in)}
.ln .tg--out{background:var(--l-out);font-family:inherit;font-size:12px}
.ln .tg__sub,.ln .tg__time{color:var(--l-soft)}
.ln .tg__kv span:nth-child(odd){color:var(--l-soft)}
.ln .tg__comp{background:var(--l-bar)}
.ln .tg__field{background:#E7EBEF;color:var(--l-soft)}
.ln .tg__send{background:#06C755}
.ln .tg--alert{border-left-color:#E5484D}

/* the thread plays in, message by message */
.tg.step{opacity:0;transform:translateY(9px) scale(.985);
  transition:opacity .34s cubic-bezier(.23,1,.32,1),transform .34s cubic-bezier(.23,1,.32,1)}
.tg.step.on{opacity:1;transform:none}
.typing{align-self:flex-start;display:inline-flex;gap:4px;padding:10px 12px;border-radius:13px;
  background:var(--tg-in);border-bottom-left-radius:4px;opacity:0;transition:opacity .2s}
.ln .typing{background:var(--l-in)}
.typing.on{opacity:1}
.typing i{width:5px;height:5px;border-radius:50%;background:var(--tg-soft);display:block;
  animation:bob 1.1s ease-in-out infinite}
.ln .typing i{background:var(--l-soft)}
.typing i:nth-child(2){animation-delay:.16s} .typing i:nth-child(3){animation-delay:.32s}
@keyframes bob{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-3px);opacity:1}}


/* response preview in the Commands section */
.prev{border:2px solid var(--ink);background:var(--panel);display:flex;flex-direction:column}
.prev__h{display:flex;align-items:center;gap:8px;padding:10px 13px;background:var(--panel2);
  border-bottom:2px solid var(--ink);font-family:"Mono";font-size:10.5px;
  letter-spacing:.11em;text-transform:uppercase;color:var(--faint)}
.prev__q{padding:11px 13px;font-family:"Mono";font-size:12.5px;border-bottom:1px solid var(--line);
  color:var(--accent);display:flex;align-items:center;gap:6px}
.prev__q b{font-weight:400;color:var(--faint)}
.caret{width:7px;height:14px;background:var(--accent);display:inline-block;
  animation:blink 1.05s steps(2,start) infinite}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}
.prev .lrow{padding:8px 13px}
.prev__f{padding:9px 13px;border-top:1px solid var(--line);font-family:"Mono";
  font-size:10.5px;color:var(--faint)}
.cmdgrid{display:grid;grid-template-columns:1fr 300px;gap:26px;align-items:start;margin-top:22px}

@media (prefers-reduced-motion:reduce){
  .tg.step{opacity:1;transform:none} .typing{display:none} .caret{animation:none}
}
@media (max-width:1100px){ .dev--ln{display:none} .devs{min-height:auto} }
@media (max-width:900px){ .cmdgrid{grid-template-columns:1fr} }


.devcap{margin-top:32px;padding-left:14px;font-family:"Mono";font-size:11px;
  letter-spacing:.11em;text-transform:uppercase;color:var(--faint)}

/* the close carries a drawn oversized mark, no photograph */
.close{position:relative;overflow:hidden;padding-block:104px 100px;border-top:1px solid var(--ink)}
.close__mark{position:absolute;right:2%;top:50%;transform:translateY(-50%);
  width:min(34vw,400px);opacity:.13;color:var(--ink);pointer-events:none;z-index:0}
.close__mark .acc{fill:var(--accent);opacity:.95}
.close .wrap{position:relative;z-index:1}
.close h2{max-width:15ch}

/* devices answer the pointer, and drift gently at rest */
.dev{will-change:transform;transition:transform .5s cubic-bezier(.23,1,.32,1)}
.devs.tilt .dev--tg{transform:rotateY(calc(var(--mx,0) * -7deg)) rotateX(calc(var(--my,0) * 5deg))}
.devs.tilt .dev--ln{transform:rotate(5deg) rotateY(calc(var(--mx,0) * -11deg)) rotateX(calc(var(--my,0) * 7deg))}
.dev--tg{animation:float1 7s ease-in-out infinite}
.dev--ln{animation:float2 9s ease-in-out infinite}
@keyframes float1{0%,100%{translate:0 0}50%{translate:0 -7px}}
@keyframes float2{0%,100%{translate:0 0}50%{translate:0 -11px}}
.devs.tilt .dev--tg,.devs.tilt .dev--ln{animation:none}
@media (hover:none){
  .devs.tilt .dev--tg{transform:none}
  .devs.tilt .dev--ln{transform:rotate(5deg)}
}

/* the chart draws itself on entry */
.chart .ser{stroke-dasharray:var(--len,700);stroke-dashoffset:var(--len,700);
  transition:stroke-dashoffset 1.5s cubic-bezier(.4,0,.2,1)}
.chart.drawn .ser{stroke-dashoffset:0}
.chart .hit{opacity:0;transition:opacity .4s ease-out .95s}
.chart.drawn .hit{opacity:1}
.chart .lbl--hot{opacity:0;transition:opacity .4s ease-out 1.15s}
.chart.drawn .lbl--hot{opacity:1}

@media (max-width:900px){
  .close{padding-block:56px 60px}
  .close__mark{right:-26%;width:80vw;opacity:.09}
}
@media (prefers-reduced-motion:reduce){
  .dev--tg,.dev--ln{animation:none}
  .devs.tilt .dev--tg{transform:none}
  .devs.tilt .dev--ln{transform:rotate(5deg)}
  .chart .ser{stroke-dashoffset:0;transition:none}
  .chart .hit,.chart .lbl--hot{opacity:1;transition:none}
}


.foot__note{width:100%;font-family:"Mono";font-size:10.5px;line-height:1.7;color:var(--faint);
  margin-top:6px;max-width:80ch}

/* ====================================================== documents ======== */
.doc{padding-block:56px 0}
/* three areas, so the rail can sit BESIDE the title on a wide screen and
   AFTER it on a phone. Ordering the whole aside would put the contents at
   the foot of the document, where a jump list is no use. */
.doc__grid{display:grid;grid-template-columns:190px 1fr;gap:0;
  grid-template-areas:"side head" "side body"}
.doc__side{grid-area:side}
.doc__head{grid-area:head;padding:0 0 0 44px;max-width:76ch}
.doc__head .doc__kicker{margin-bottom:18px}
.doc__side{padding:0 24px 0 0;border-right:1px solid var(--line);position:sticky;top:78px;align-self:start}
.doc__body{grid-area:body;padding:22px 0 0 44px;max-width:76ch}
.doc__kicker{display:inline-block;background:var(--accent);color:var(--bg);
  font-family:"PlexC";font-weight:700;font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;padding:4px 9px}
.doc h1{font-family:"PlexC";font-weight:700;font-size:clamp(2.2rem,1.5rem + 2.6vw,3.4rem);
  line-height:1.0;letter-spacing:-.03em;text-wrap:balance}
.doc__lede{margin-top:18px;color:var(--soft);font-size:1.1rem;line-height:1.62;max-width:56ch}
.doc__meta{margin-top:16px;font-family:"Mono";font-size:11px;color:var(--faint)}
.doc h2{font-family:"PlexC";font-weight:700;font-size:1.15rem;letter-spacing:-.015em;
  margin-top:var(--s7,3rem);margin-bottom:12px}
.doc h2:first-of-type{margin-top:2.4rem}
.doc p{color:var(--soft);line-height:1.65;max-width:64ch}
.doc p + p{margin-top:12px}
.doc ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:12px}
.doc li{color:var(--soft);line-height:1.6;max-width:64ch;padding-left:20px;position:relative}
.doc li::before{content:"";position:absolute;left:0;top:.66em;width:10px;height:1px;background:var(--accent)}
.doc strong{color:var(--ink);font-weight:600}
.doc code,.doc__code{font-family:"Mono";font-size:.87em;background:var(--panel2);
  border:1px solid var(--line);padding:1px 5px;color:var(--ink)}
/* prose links only. Scoped to the prose containers, not `.doc`: at `.doc a` this
   outranked `.doc__nav a` and drew an underline under every contents item. */
.doc__head a:not(.cta),.doc__body a:not(.cta){color:var(--ink);border-bottom:1px solid var(--line-2)}
.doc__head a:not(.cta):hover,.doc__body a:not(.cta):hover{border-color:var(--accent);color:var(--accent)}
.doc__rule{height:1px;background:var(--line);margin-block:2.6rem}
.doc__onthis{margin-top:5px;font-family:"Mono";font-size:10px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--faint)}
.doc__nav{display:flex;flex-direction:column;gap:1px;margin-top:10px}
.doc__nav a{padding:6px 9px;font-size:14px;color:var(--soft);border-left:2px solid transparent}
.doc__nav a:hover{background:var(--panel);color:var(--ink)}
.doc__nav a[aria-current]{color:var(--ink);border-left-color:var(--accent);background:var(--panel)}

/* pricing plate, in the ledger language */
.plate{border:2px solid var(--ink);background:var(--panel);margin-top:30px}
.plate__h{padding:20px;border-bottom:2px solid var(--ink);background:var(--panel2)}
.plate__tier{font-family:"Mono";font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--faint)}
.plate__fig{display:flex;align-items:baseline;gap:9px;margin-top:10px}
.plate__amt{font-family:"PlexC";font-weight:700;font-size:3.1rem;letter-spacing:-.04em;line-height:1}
.plate__per{font-family:"Mono";font-size:13px;color:var(--soft)}
.plate .lrow{padding:11px 20px}
.plate .lrow__v{white-space:normal;text-align:left;font-family:"Plex";font-weight:400;
  font-size:13.5px;color:var(--soft);max-width:46ch}
.plate__f{padding:14px 20px;border-top:1px solid var(--line);font-family:"Mono";
  font-size:11px;line-height:1.7;color:var(--faint)}
@media (max-width:900px){
  .doc__grid{grid-template-columns:1fr;grid-template-areas:"head" "side" "body"}
  .doc__head{padding:0}
  .doc__side{border-right:0;border-block:1px solid var(--line);padding:16px 0;margin-top:26px}
  .doc__body{padding:22px 0 0}
  .doc__side{position:static}
  .doc__onthis{margin-top:16px}
  .doc__nav{flex-direction:row;flex-wrap:wrap;margin-top:8px}
  .doc__nav a{border-left:0;border-bottom:2px solid transparent;padding:5px 8px}
  .doc__nav a[aria-current]{border-left:0;border-bottom-color:var(--accent)}
}

/* ── anchor targets clear the sticky bar ────────────────────────────────── */
/* the bar is 56px; targets need that plus air, or the heading lands under it.
   :where([id]) rather than a tag list: the doc rails point at <h2 id>, which a
   section/div selector silently misses and puts straight back under the bar. */
:where([id]){scroll-margin-top:78px}
@media (max-width:900px){:where([id]){scroll-margin-top:112px}}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ── replay control for the hero sequence ───────────────────────────────── */
.devcap{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.replay{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line-2);
  background:transparent;color:var(--soft);cursor:pointer;padding:5px 10px;
  font-family:"Mono";font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  transition:color 140ms var(--ease,cubic-bezier(.23,1,.32,1)),border-color 140ms ease}
.replay:hover{color:var(--ink);border-color:var(--ink)}
.replay:active{transform:translateY(1px)}
.replay svg{width:11px;height:11px;flex:none}
.replay[aria-disabled="true"]{color:var(--faint);border-color:var(--line);pointer-events:none}

/* ── no scripting: reveal everything ────────────────────────────────────── */
/* .rv, .tg.step and .typing all start at opacity:0 and are revealed by JS, so a
   visitor with scripting blocked saw a homepage with only a header and a footer.
   Additive and last in the file, so the reduced-motion rules above are untouched. */
html:not(.js) .rv,
html:not(.js) .tg.step{opacity:1;transform:none;transition:none}
html:not(.js) .typing{display:none}