/* ═══════════════════════════════════════════════════════════════════
   SynapticOS — synapticos.io design system
   Dark-only. Tokens in :root are the single source of truth; do not
   change them without an explicit request. See the internal design notes.
   ═══════════════════════════════════════════════════════════════════ */

/* ── fonts (self-hosted, zero external requests) ── */
@font-face{font-family:"Plex Sans";font-style:normal;font-weight:300;font-display:swap;src:url("/assets/fonts/plex-sans-300.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 Sans";font-style:normal;font-weight:400;font-display:swap;src:url("/assets/fonts/plex-sans-400.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 Sans";font-style:normal;font-weight:600;font-display:swap;src:url("/assets/fonts/plex-sans-600.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("/assets/fonts/plex-mono-400.woff2") format("woff2")}
@font-face{font-family:"Plex Mono";font-style:normal;font-weight:500;font-display:swap;src:url("/assets/fonts/plex-mono-500.woff2") format("woff2")}

/* ── design tokens ── */
:root{
  --bg:#14181b;            /* page ground */
  --surface:#1e2327;       /* brand slate — panels, bands */
  --raised:#232930;        /* hover / raised panels */
  --terminal:#101418;      /* terminal + code block ground */
  --text:#f5f7fa;          /* brand near-white */
  --dim:#97a3ab;           /* slate-tinted secondary text */
  --code-fg:#c8d2d9;       /* terminal / code output */
  --blue:#2f6bff;          /* brand electric blue */
  --cyan:#17c9c0;          /* brand cyan */
  --spark:#9ffbee;         /* synapse glow — scarce accent only */
  --core:#e9fffb;          /* firing core */
  --line:rgba(245,247,250,.09);
  --line-soft:rgba(245,247,250,.05);
  --grad:linear-gradient(100deg,var(--blue),var(--cyan));
  --sans:"Plex Sans",system-ui,-apple-system,sans-serif;
  --mono:"Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
  color-scheme:dark;
}

/* ── base ── */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
::selection{background:rgba(23,201,192,.30)}
a{color:inherit}
:focus-visible{outline:2px solid var(--spark);outline-offset:3px;border-radius:2px}
h1,h2,h3{margin:0;text-wrap:balance;font-weight:300;letter-spacing:-.015em}
p{margin:0}
img{max-width:100%}
.wrap{width:min(1180px,92vw);margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0;background:var(--surface);color:var(--text);padding:10px 16px;z-index:99}
.skip:focus{left:12px;top:12px}

/* ── scroll reveal (JS adds .js to <html>; no-JS shows everything) ── */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* ── header ── */
header.site{position:sticky;top:0;z-index:50;background:rgba(20,24,27,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:32px;padding:14px 0}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo img{height:30px;width:auto;display:block}
nav.main{display:flex;gap:26px;margin-left:auto;font:400 14.5px/1 var(--sans)}
nav.main a{color:var(--dim);text-decoration:none;transition:color .18s}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--text)}
.btn{display:inline-flex;align-items:center;gap:9px;font:600 14.5px/1 var(--sans);text-decoration:none;padding:12px 22px;border-radius:4px;border:1px solid transparent;transition:filter .18s,border-color .18s,background .18s;cursor:pointer}
.btn-grad{background:var(--grad);color:#0b1020}
.btn-grad:hover{filter:brightness(1.12)}
.btn-ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:rgba(245,247,250,.28);background:var(--line-soft)}
.bar .btn{padding:9px 16px;font-size:13.5px}
/* mobile nav (checkbox disclosure — works without JS) */
.nav-toggle{display:none}
label.burger{display:none;margin-left:auto;cursor:pointer;padding:8px;border:1px solid var(--line);border-radius:4px}
label.burger svg{display:block}
@media(max-width:860px){
  nav.main{display:none}
  label.burger{display:block}
  .bar .btn-ghost{display:none}
  .nav-toggle:checked ~ nav.main{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 4vw 18px}
  .nav-toggle:checked ~ nav.main a{padding:12px 0;border-bottom:1px solid var(--line-soft);font-size:16px}
}

/* ── shared section anatomy ── */
section.block{padding:96px 0}
.eyebrow{font:500 12px/1 var(--mono);letter-spacing:.18em;color:var(--cyan);text-transform:uppercase;display:block;margin-bottom:18px}
.sec-head h2{font-size:clamp(30px,4.2vw,44px);line-height:1.12;max-width:21ch}
.sec-head p.lede{color:var(--dim);max-width:62ch;margin-top:18px;font-size:18px}

/* ── hero ── */
.hero{padding:110px 0 90px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(38px,5.4vw,62px);line-height:1.08}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:400}
.hero .lede{color:var(--dim);font-size:19px;max-width:54ch;margin-top:26px}
.cta-row{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:46px;font:400 12.5px/1.5 var(--mono);letter-spacing:.08em;color:var(--dim)}
.hero-meta span{display:flex;align-items:center;gap:8px}
.hero-meta i{width:7px;height:7px;border-radius:50%;background:var(--cyan);display:inline-block;flex-shrink:0}
.circuit{width:100%;max-width:520px;justify-self:end;display:block}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}.circuit{max-width:420px;justify-self:center;order:-1;opacity:.85}}
/* circuit animation */
.trace{stroke:rgba(245,247,250,.13);stroke-width:2;fill:none}
.pad{fill:rgba(245,247,250,.16)}
.pad-hot{fill:var(--cyan);opacity:.75}
.pulse{stroke:url(#pulseGrad);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-dasharray:.10 .90;stroke-dashoffset:1;animation:travel 4.2s linear infinite}
.pulse.p2{animation-delay:2.1s}
.syn-core{animation:fire 2.1s ease-in-out infinite}
.syn-halo{animation:halo 2.1s ease-in-out infinite;transform-origin:260px 260px}
@keyframes travel{to{stroke-dashoffset:-1}}
@keyframes fire{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes halo{0%,100%{opacity:.12;transform:scale(1)}50%{opacity:.30;transform:scale(1.25)}}
@media(prefers-reduced-motion:reduce){.pulse{animation:none;stroke-dasharray:none;opacity:.35}.syn-core,.syn-halo{animation:none}}

/* ── stats band ── */
.stats{border-block:1px solid var(--line);background:var(--surface)}
.stats-grid{display:grid;grid-template-columns:repeat(6,1fr)}
.stat{padding:34px 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font:500 26px/1.1 var(--mono);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat b em{font-style:normal;font-size:15px;color:var(--dim)}
.stat span{display:block;font:400 11.5px/1.5 var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--dim);margin-top:10px}
.stat.hot b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
@media(max-width:960px){.stats-grid{grid-template-columns:repeat(3,1fr)}.stat:nth-child(4){border-left:0}.stat:nth-child(-n+3){border-bottom:1px solid var(--line)}}
@media(max-width:560px){.stats-grid{grid-template-columns:repeat(2,1fr)}.stat{border-left:0;border-bottom:1px solid var(--line)}.stat:nth-child(2n){border-left:1px solid var(--line)}.stat:nth-last-child(-n+2){border-bottom:0}}

/* ── why (problem/answer) ── */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-top:56px}
.why-col h3{font:600 13px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;margin-bottom:22px}
.why-col.problem h3{color:var(--dim)}
.why-col.answer h3{color:var(--cyan)}
.why-col p{color:var(--dim);max-width:52ch}
.why-col p+p{margin-top:16px}
.answer ul{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.answer li{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:baseline}
.answer li .tick{font:500 14px var(--mono);color:var(--spark)}
.answer li strong{font-weight:600;display:block;font-size:16.5px}
.answer li span{color:var(--dim);font-size:15px;line-height:1.55;display:block;margin-top:3px}
@media(max-width:860px){.why-grid{grid-template-columns:1fr;gap:44px}}

/* ── architecture grid + pipeline strip ── */
.arch{background:var(--surface);border-block:1px solid var(--line)}
.sys-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
.sys{background:var(--surface);padding:28px 24px;position:relative;transition:background .2s;text-decoration:none;display:block}
.sys:hover{background:var(--raised)}
.sys::before{content:"";position:absolute;top:-1px;left:-1px;width:9px;height:9px;border-top:1px solid var(--cyan);border-left:1px solid var(--cyan);opacity:0;transition:opacity .2s}
.sys:hover::before{opacity:1}
.sys code{font:500 12px/1 var(--mono);color:var(--cyan);letter-spacing:.04em}
.sys h3{font:600 16.5px/1.3 var(--sans);letter-spacing:0;margin-top:12px}
.sys p{color:var(--dim);font-size:14.5px;line-height:1.55;margin-top:8px}
@media(max-width:1020px){.sys-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.sys-grid{grid-template-columns:1fr}}
.pipe{display:flex;align-items:stretch;margin-top:26px;border:1px solid var(--line);overflow-x:auto}
.pipe-step{flex:1;min-width:150px;padding:20px 22px;border-left:1px solid var(--line);position:relative}
.pipe-step:first-child{border-left:0}
.pipe-step b{display:block;font:500 12.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase}
.pipe-step span{display:block;font:400 12px/1 var(--mono);color:var(--dim);margin-top:9px}
.pipe-step::after{content:"→";position:absolute;right:-7px;top:50%;transform:translateY(-50%);color:var(--cyan);font:500 13px var(--mono);z-index:2;background:var(--surface);padding:2px 0}
.pipe-step:last-child::after{content:""}
.pipe-note{font:400 12px/1.6 var(--mono);color:var(--dim);margin-top:14px;letter-spacing:.04em}

/* ── terminal ── */
.term{border:1px solid var(--line);border-radius:6px;background:var(--terminal);overflow:hidden;box-shadow:0 24px 60px -30px rgba(0,0,0,.6);margin-top:52px}
.term-bar{display:flex;align-items:center;gap:8px;padding:11px 16px;background:var(--surface);border-bottom:1px solid var(--line)}
.term-bar i{width:11px;height:11px;border-radius:50%;background:var(--line);display:block}
.term-bar span{font:400 12px/1 var(--mono);color:var(--dim);margin-left:10px;letter-spacing:.05em}
.term-body{padding:22px 24px;font:400 13.5px/1.75 var(--mono);overflow-x:auto;cursor:text}
.term-body .ln{display:block;white-space:pre}
.js .term-body .ln{opacity:0;transform:translateY(4px);transition:opacity .35s ease,transform .35s ease}
.js .term.on .ln{opacity:1;transform:none}
.t-dim{color:#5d6a72}
.t-inf{color:var(--dim)}
.t-p{color:var(--cyan);font-weight:500}
.t-hot{color:var(--spark)}
.t-out{color:var(--code-fg)}
.term-in{outline:none;min-width:3px;display:inline-block;white-space:pre;color:var(--core);caret-color:transparent}
.cursor{display:inline-block;width:8px;height:15px;background:var(--spark);vertical-align:-2px;animation:blink 1.05s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media(prefers-reduced-motion:reduce){.js .term-body .ln{transition:none;opacity:1;transform:none}.cursor{animation:none}}
.term-cap{font:400 12.5px/1.6 var(--mono);color:var(--dim);margin-top:16px;letter-spacing:.03em}
.term-cap b{color:var(--cyan);font-weight:500}

/* ── hardware ── */
.hw{background:var(--surface);border-block:1px solid var(--line)}
.hw-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;margin-top:56px;align-items:start}
@media(max-width:960px){.hw-grid{grid-template-columns:1fr}}
table.spec{width:100%;border-collapse:collapse;font:400 14px/1.5 var(--mono)}
.spec td{padding:13px 4px;border-bottom:1px solid var(--line);vertical-align:top}
.spec td:first-child{color:var(--dim);text-transform:uppercase;font-size:11.5px;letter-spacing:.13em;width:38%;padding-top:16px}
.spec td b{font-weight:500;color:var(--text)}
.spec .price b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:16px}
.cores{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:stretch}
.core-box{border:1px solid var(--line);background:var(--bg);padding:20px;border-radius:4px}
.core-box b{font:500 13px/1 var(--mono);letter-spacing:.1em;display:block}
.core-box.c0 b{color:var(--blue)}
.core-box.c1 b{color:var(--cyan)}
.core-box span{display:block;font-size:13.5px;color:var(--dim);margin-top:10px;line-height:1.55}
.ipc{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;font:400 11px/1.4 var(--mono);color:var(--dim);letter-spacing:.08em;text-align:center}
.ipc .arrows{color:var(--spark);font-size:15px;letter-spacing:0}
.mmap{margin-top:22px}
.mmap-bar{display:flex;height:44px;border-radius:4px;overflow:hidden;border:1px solid var(--line)}
.mmap-bar div{display:flex;align-items:center;justify-content:center;font:500 11px/1 var(--mono);letter-spacing:.1em;color:#0b1020}
.mm-c0{width:61.5%;background:var(--blue);color:#eef3ff !important}
.mm-sh{width:23.1%;background:var(--grad)}
.mm-c1{width:15.4%;background:var(--cyan)}
.mmap-lbl{display:flex;font:400 10.5px/1.6 var(--mono);color:var(--dim);margin-top:8px;letter-spacing:.05em}
.mmap-lbl span{flex-shrink:0}
.mmap-lbl .s1{width:61.5%}
.mmap-lbl .s2{width:23.1%}
@media(max-width:640px){.cores{grid-template-columns:1fr}.ipc{flex-direction:row}}

/* ── roadmap rail ── */
.rail-scroll{overflow-x:auto;margin-top:64px;padding-bottom:8px}
.rail{display:grid;grid-template-columns:repeat(6,minmax(160px,1fr));min-width:960px;position:relative}
.rail::before{content:"";position:absolute;top:11px;left:calc(100%/12);right:calc(100%/12);height:1px;background:var(--line)}
.ph{position:relative;padding:0 18px;text-align:center}
.ph i{display:block;width:23px;height:23px;border-radius:50%;border:1px solid var(--line);background:var(--bg);margin:0 auto;position:relative;z-index:1}
.ph.done i{background:var(--grad);border-color:transparent;box-shadow:0 0 18px rgba(23,201,192,.45)}
.ph b{display:block;font:600 14.5px/1.3 var(--sans);margin-top:16px}
.ph span{display:block;font:400 11.5px/1 var(--mono);color:var(--dim);margin-top:8px;letter-spacing:.1em}
.ph.done span{color:var(--cyan)}
.ph small{display:block;font-size:12.5px;color:var(--dim);margin-top:8px;line-height:1.5}

/* ── research teaser (home) + publications index ── */
.research{background:var(--surface);border-block:1px solid var(--line)}
.paper{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;margin-top:52px;align-items:start}
.paper h3{font-size:clamp(22px,2.6vw,29px);line-height:1.3;font-weight:300}
.paper h3 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.paper .venue{font:400 12.5px/1.6 var(--mono);color:var(--dim);margin-top:18px;letter-spacing:.05em}
.paper .abs{color:var(--dim);margin-top:22px;max-width:58ch}
.contrib{list-style:none;margin:0;padding:0;border:1px solid var(--line);background:var(--bg);border-radius:4px}
.contrib li{display:grid;grid-template-columns:44px 1fr;gap:10px;padding:15px 18px;border-top:1px solid var(--line);font-size:14.5px;color:var(--dim);align-items:baseline}
.contrib li:first-child{border-top:0}
.contrib li code{font:500 11.5px/1 var(--mono);color:var(--cyan)}
.contrib li strong{color:var(--text);font-weight:600}
@media(max-width:960px){.paper{grid-template-columns:1fr;gap:40px}}
.pcards{display:grid;gap:20px;margin-top:52px}
.pcard{border:1px solid var(--line);border-radius:6px;background:var(--surface);padding:30px 32px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;align-items:center;transition:border-color .2s}
.pcard:hover{border-color:rgba(23,201,192,.35)}
.pcard .ptag{font:500 11.5px/1 var(--mono);letter-spacing:.16em;color:var(--cyan);text-transform:uppercase}
.pcard h3{font-size:clamp(19px,2.2vw,24px);font-weight:400;line-height:1.35;margin-top:12px;letter-spacing:-.01em;max-width:34ch}
.pcard .pmeta{font:400 12px/1.8 var(--mono);color:var(--dim);margin-top:12px;letter-spacing:.05em}
.pcard .pabs{color:var(--dim);font-size:15px;margin-top:12px;max-width:66ch}
.pcard .pbtns{display:flex;flex-direction:column;gap:10px;min-width:190px}
.pcard.ghost{border-style:dashed;background:transparent}
.pcard.ghost .ptag,.pcard.ghost h3{color:var(--dim)}
@media(max-width:820px){.pcard{grid-template-columns:1fr}.pcard .pbtns{flex-direction:row;flex-wrap:wrap;min-width:0}}

/* ── article (executive summary / long-form) ── */
.art{width:min(780px,92vw);margin-inline:auto;padding:64px 0 96px}
.art .back{font:400 13px/1 var(--mono);color:var(--dim);text-decoration:none;letter-spacing:.06em}
.art .back:hover{color:var(--cyan)}
.art h1{font-size:clamp(28px,3.6vw,40px);margin-top:24px}
.art h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:400}
.art .ameta{font:400 12.5px/2 var(--mono);color:var(--dim);margin-top:20px;letter-spacing:.05em;padding-bottom:26px;border-bottom:1px solid var(--line)}
.art h2{font-size:21px;font-weight:600;letter-spacing:0;margin-top:48px}
.art p{color:var(--dim);margin-top:16px}
.art .lede2{font-size:18.5px;color:#c4cdd4;margin-top:28px}
.art .contrib{margin-top:20px}
.art-eyebrow{margin-top:32px}
.adm-gap{margin-top:32px}
.keynums{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:4px;margin-top:28px;background:var(--surface)}
.keynums div{padding:20px 16px;border-left:1px solid var(--line);text-align:center}
.keynums div:first-child{border-left:0}
.keynums b{font:500 22px/1 var(--mono);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;font-variant-numeric:tabular-nums}
.keynums span{font:400 10.5px/1.5 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--dim);display:block;margin-top:9px}
.figbox{border:1px solid var(--line);border-radius:6px;background:var(--surface);padding:26px;margin-top:22px}
.figbox .fcap{font:400 12px/1.7 var(--mono);color:var(--dim);margin-top:18px;letter-spacing:.04em}
.arena-row{display:grid;grid-template-columns:1fr 110px;gap:10px}
.arena-bar{display:flex;height:54px;border-radius:4px;overflow:hidden;border:1px solid var(--line)}
.arena-bar div{display:flex;align-items:center;justify-content:center;font:500 10.5px/1.4 var(--mono);letter-spacing:.08em;text-align:center;padding:0 6px}
.ar-p{width:40%;background:rgba(47,107,255,.28);color:#bcd0ff}
.ar-f{width:24%;color:#5d6a72;background:repeating-linear-gradient(45deg,transparent,transparent 6px,rgba(245,247,250,.04) 6px,rgba(245,247,250,.04) 12px)}
.ar-e{width:36%;background:rgba(23,201,192,.22);color:#a9ece7}
.ar-scratch{border:1px solid rgba(159,251,238,.3);border-radius:4px;display:flex;align-items:center;justify-content:center;font:500 10.5px/1.4 var(--mono);letter-spacing:.08em;color:var(--spark);text-align:center;padding:0 6px}

/* ── docs (MkDocs-style shell) ── */
.docs-shell{display:grid;grid-template-columns:246px minmax(0,1fr) 196px;gap:52px;padding:56px 0 96px;align-items:start}
.docs-nav,.docs-toc{position:sticky;top:96px;max-height:calc(100vh - 120px);overflow-y:auto}
.docs-search input{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:4px;color:var(--text);font:400 13px var(--mono);padding:10px 12px}
.docs-search input::placeholder{color:var(--dim)}
.dnav-t{font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin:28px 0 10px}
.docs-nav a{display:block;font:400 14px/1.45 var(--sans);color:var(--dim);text-decoration:none;padding:6px 12px;border-left:1px solid var(--line);transition:color .15s,border-color .15s}
.docs-nav a:hover{color:var(--text)}
.docs-nav a.on{color:var(--cyan);border-left-color:var(--cyan)}
.crumb{font:400 12px/1.6 var(--mono);color:var(--dim);letter-spacing:.06em}
.crumb b{color:var(--cyan);font-weight:500}
.vpill{display:inline-block;font:500 11px/1 var(--mono);letter-spacing:.1em;color:var(--cyan);border:1px solid rgba(23,201,192,.4);border-radius:20px;padding:5px 11px;margin-left:14px;vertical-align:4px}
.docs-main h1{font-size:clamp(28px,3.4vw,38px);margin-top:16px}
.docs-main h2{font-size:22px;font-weight:600;letter-spacing:0;margin:46px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.docs-main h3{font-size:17px;font-weight:600;letter-spacing:0;margin-top:30px}
.docs-main p{color:var(--dim);margin-top:14px;max-width:68ch}
.docs-main ul.plain,.docs-main ol.plain{color:var(--dim);margin:14px 0 0;padding-left:22px}
.docs-main ul.plain li,.docs-main ol.plain li{margin-top:6px}
.docs-main code.ic,.art code.ic{font:500 13px var(--mono);color:var(--spark);background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:1px 6px}
table.api{width:100%;border-collapse:collapse;font:400 14px/1.6 var(--sans);margin-top:18px}
table.api th{font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
table.api td{padding:12px;border-bottom:1px solid var(--line-soft);color:var(--dim);vertical-align:top}
table.api td code{font:500 12.5px var(--mono);color:var(--spark);white-space:nowrap}
.tbl-scroll{overflow-x:auto;margin-top:6px}

/* code blocks */
.cb{border:1px solid var(--line);border-radius:6px;background:var(--terminal);margin-top:18px;overflow:hidden}
.cb-bar{display:flex;justify-content:space-between;align-items:center;background:var(--surface);border-bottom:1px solid var(--line);padding:7px 8px 7px 14px;font:400 11px/1 var(--mono);letter-spacing:.12em;color:var(--dim);text-transform:uppercase}
.cb-bar button{font:500 11px var(--mono);letter-spacing:.08em;color:var(--dim);background:none;border:1px solid var(--line);border-radius:3px;padding:5px 11px;cursor:pointer;text-transform:uppercase}
.cb-bar button:hover{color:var(--spark);border-color:rgba(159,251,238,.4)}
.cb pre{margin:0;padding:16px 18px;font:400 13.5px/1.7 var(--mono);color:var(--code-fg);overflow-x:auto}
.cb pre b{color:var(--cyan);font-weight:500}
.cb pre i{color:#5d6a72;font-style:normal}
.cb pre em{color:var(--spark);font-style:normal}

/* admonitions */
.adm{border:1px solid rgba(23,201,192,.3);border-left:3px solid var(--cyan);border-radius:4px;background:rgba(23,201,192,.05);padding:15px 18px;margin-top:20px}
.adm b{font:500 11px/1 var(--mono);letter-spacing:.14em;color:var(--cyan);text-transform:uppercase;display:block}
.adm p{font-size:14.5px;margin-top:8px}
.adm.warn{border-color:rgba(255,180,84,.35);border-left-color:#ffb454;background:rgba(255,180,84,.05)}
.adm.warn b{color:#ffb454}

/* prev/next */
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:60px}
.pn a{border:1px solid var(--line);border-radius:4px;padding:16px 18px;text-decoration:none;transition:border-color .15s,background .15s}
.pn a:hover{border-color:rgba(245,247,250,.25);background:var(--surface)}
.pn a span{font:400 11px/1 var(--mono);letter-spacing:.14em;color:var(--dim);text-transform:uppercase;display:block}
.pn a b{font:600 15px var(--sans);display:block;margin-top:8px}
.pn a.next{text-align:right}
.pn .pn-empty{visibility:hidden}

/* on-page toc */
.docs-toc>p{font:500 11px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin:0 0 12px}
.docs-toc a{display:block;font:400 13px/1.5 var(--sans);color:var(--dim);text-decoration:none;padding:4px 0}
.docs-toc a:hover{color:var(--text)}
@media(max-width:1060px){.docs-shell{grid-template-columns:224px minmax(0,1fr)}.docs-toc{display:none}}
@media(max-width:760px){.docs-shell{grid-template-columns:1fr;gap:32px}.docs-nav{position:static;max-height:none;border:1px solid var(--line);border-radius:4px;padding:20px}}

/* ── page hero (subpages: docs home, research, learn, about) ── */
.page-hero{padding:84px 0 0}
.page-hero .sec-head{padding-bottom:0}

/* ── cta / footer ── */
.cta{text-align:center;padding:120px 0}
.cta .eyebrow{text-align:center}
.cta h2{font-size:clamp(30px,4.4vw,46px);margin-inline:auto}
.cta h2 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:400}
.cta p{color:var(--dim);max-width:56ch;margin:22px auto 0}
.cta .cta-row{justify-content:center}
footer.site{border-top:1px solid var(--line);padding:34px 0;font:400 12px/1.8 var(--mono);color:var(--dim);letter-spacing:.05em}
footer.site .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer.site a{color:var(--dim);text-decoration:none}
footer.site a:hover{color:var(--text)}
