globals.css

/* =====================================================================
   opensiro — globals.css
   Monochrome design language.
   Warm off-white background, sharp corners, 1px hairline borders,
   invert-on-hover, Departure Mono interface + Instrument Sans prose.
   Shared across index.html, products.html, research.html.
   ===================================================================== */

@font-face{
  font-family:'DepartureMono';
  src:url('assets/DepartureMono-Regular.woff2') format('woff2'),
      url('assets/DepartureMono-Regular.woff') format('woff');
  font-weight:normal;
  font-style:normal;
  font-display:swap;
}

@font-face{
  font-family:'InstrumentSans';
  src:url('assets/InstrumentSans-Regular.woff2') format('woff2');
  font-weight:400;
  font-style:normal;
  font-display:swap;
}

:root{
  --bg:#faf9f6;            /* warm off-white, NOT #fff */
  --ink:#18181b;           /* zinc-900 */
  --muted:#6e6e68;
  --muted-2:rgba(0,0,0,.8);
  --hairline:rgba(0,0,0,.10);
  --hairline-2:rgba(0,0,0,.18);
  --tint:rgba(0,0,0,.04);  /* 4% section wash */
  --accent:#9bafd2;        /* pale blue for artwork and decorative accents */
  --accent-ink:#49658e;    /* readable blue for text and keyboard focus */
  --ok:#16a34a;
  --warn:#d97706;
  --font:'DepartureMono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --font-body:'InstrumentSans',Arial,sans-serif;
  --maxw:1200px;
  --nav-h:64px;
}

/* ---------------------------------------------------------------- reset */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  font-size:13px;
  line-height:1.6;
  letter-spacing:0;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
button,input{font-family:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:var(--ink);color:var(--bg)}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--hairline-2)}
::-webkit-scrollbar-thumb:hover{background:var(--ink)}

/* keep numerals aligned */
.num,.stat .v,.meta-row code{font-variant-numeric:tabular-nums}

/* =====================================================================
   Layout
   ===================================================================== */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.wrap-narrow{max-width:880px;margin:0 auto;padding:0 32px}

section{padding:96px 0;position:relative}
section.tint{background:var(--tint);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
section.tight{padding:64px 0}

@media (max-width:768px){
  .wrap,.wrap-narrow{padding:0 20px}
  section{padding:64px 0}
}

/* =====================================================================
   Type scale
   ===================================================================== */
.eyebrow,.sec-label{
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.3em;
  color:var(--muted);
  font-weight:normal;
  text-align:center;
  display:block;
  margin:0 0 56px;
}

h1{font-size:clamp(26px,4.5vw,36px);line-height:1.2;letter-spacing:0;font-weight:500;margin:0 0 20px}
h1.center,h2.center{text-align:center}
h1 .muted{color:var(--muted)}
h2{font-size:clamp(22px,3vw,28px);line-height:1.25;letter-spacing:0;font-weight:500;margin:0 0 16px}

.lede{font-size:15px;line-height:1.65;color:var(--muted-2);max-width:560px}
.lede.center{margin-left:auto;margin-right:auto;text-align:center}
.lede b{color:var(--ink);font-weight:normal}

@media (max-width:768px){
  .eyebrow,.sec-label{margin-bottom:40px}
}

/* =====================================================================
   Buttons — sharp-cornered hairline pills, invert on hover
   ===================================================================== */
/* nav stamp (28px tall) */
.btn-stamp{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:28px;padding:0 12px;
  border:1px solid var(--ink);background:var(--bg);color:var(--ink);
  font-size:11px;text-transform:uppercase;letter-spacing:.05em;line-height:1;
  transition:background .2s,color .2s,border-color .2s;white-space:nowrap;
}
.btn-stamp:hover{background:var(--ink);color:var(--bg)}
.btn-stamp.active{background:var(--ink);color:var(--bg)}

/* primary CTA (36px tall) */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:36px;padding:0 20px;
  border:1px solid var(--ink);background:var(--ink);color:var(--bg);
  font-size:12px;text-transform:uppercase;letter-spacing:.05em;line-height:1;
  transition:background .2s,color .2s,border-color .2s;white-space:nowrap;
}
.btn:hover{background:var(--bg);color:var(--ink)}
.btn.outline{background:var(--bg);color:var(--ink)}
.btn.outline:hover{background:var(--ink);color:var(--bg)}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(2px)}

/* square icon button (36x36) */
.btn-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;
  border:1px solid var(--ink);background:var(--bg);color:var(--ink);
  transition:background .2s,color .2s;flex:none;
}
.btn-icon:hover{background:var(--ink);color:var(--bg)}

/* =====================================================================
   Header / nav
   ===================================================================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--bg);
  border-bottom:1px solid var(--hairline);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:var(--nav-h);
}
.brand-wordmark{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:30px;flex:none;
}
.brand-logo{
  width:18px;height:30px;object-fit:contain;
}
.brand-name{
  font-size:14px;text-transform:uppercase;letter-spacing:.1em;line-height:1;
}

.nav-links{display:flex;align-items:center;gap:8px}
.nav-links .btn-stamp{height:28px}

/* =====================================================================
   Hero
   ===================================================================== */
.hero{
  min-height:calc(100vh - var(--nav-h));
  display:flex;align-items:center;justify-content:center;
  text-align:center;padding:64px 0;position:relative;
}
.hero .hero-inner{max-width:760px}
.hero .hero-logo{
  position:relative;width:96px;aspect-ratio:320 / 540;
  margin:0 auto 40px;
}
.hero .hero-logo img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:contain;object-position:center;
}
.hero .hero-logo-static{display:none}
.hero h1{font-size:clamp(30px,5vw,44px);line-height:1.15;margin-bottom:24px}
.hero .lede{margin-left:auto;margin-right:auto;max-width:560px}
.hero .hero-cta{display:flex;gap:10px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.hero .hero-foot{
  margin-top:48px;font-size:11px;text-transform:uppercase;letter-spacing:.2em;color:var(--muted);
}

@media (max-width:768px){
  .hero{min-height:auto;padding:72px 0 80px}
  .hero .hero-logo{width:76px;margin-bottom:32px}
}

@media (prefers-reduced-motion:reduce){
  .hero .hero-logo-animated{display:none}
  .hero .hero-logo-static{display:block}
}

/* =====================================================================
   Product grid — centered blocks divided by hairlines (not cards)
   ===================================================================== */
.product-grid{
  display:grid;grid-template-columns:1fr 1fr;
  border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);
}
.product-grid.single{grid-template-columns:1fr}
.product-cell{
  display:flex;align-items:center;justify-content:center;
  padding:64px 32px;text-align:center;
  border-right:1px solid var(--hairline);
}
.product-cell:last-child{border-right:0}
.product-cell .cell-inner{max-width:360px}
.product-cell .p-name{
  font-size:22px;text-transform:uppercase;letter-spacing:.15em;line-height:1;
  margin:0 0 14px;font-weight:500;
}
.product-cell .p-tag{
  font-size:12px;text-transform:uppercase;letter-spacing:.15em;line-height:1.5;
  color:var(--muted-2);margin:0 0 20px;
}
.product-cell .p-cta{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}

@media (max-width:820px){
  .product-grid{grid-template-columns:1fr}
  .product-cell{border-right:0;border-bottom:1px solid var(--hairline);padding:48px 24px}
  .product-cell:last-child{border-bottom:0}
}

/* =====================================================================
   Detail page blocks (products.html / research.html)
   ===================================================================== */
.detail{
  padding:80px 0;border-bottom:1px solid var(--hairline);
}
.detail:last-of-type{border-bottom:0}
.detail-head{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:28px;
}
.detail-head .d-name{
  font-size:28px;text-transform:uppercase;letter-spacing:.1em;font-weight:500;line-height:1;
}
.detail-tag{
  font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);
  margin:0 0 28px;line-height:1.6;
}
.detail-body{
  display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start;
}
.detail-prose p{font-size:13px;line-height:1.75;color:var(--muted-2);margin:0 0 18px}
.detail-prose p:not(.research-expansion){font-family:var(--font-body);font-size:15px;line-height:1.65}
.detail-prose p:last-child{margin-bottom:0}
.detail-prose p b{color:var(--ink);font-weight:normal}
.detail-prose h3{
  font-size:13px;text-transform:uppercase;letter-spacing:.15em;font-weight:500;
  margin:28px 0 12px;color:var(--ink);
}

.detail-aside{
  border:1px solid var(--hairline);padding:24px;
}
.detail-aside .as-label{
  font-size:10px;text-transform:uppercase;letter-spacing:.2em;color:var(--muted);
  margin-bottom:14px;
}
.meta-list{list-style:none;margin:0;padding:0}
.meta-list li{
  display:flex;justify-content:space-between;gap:16px;
  padding:10px 0;border-top:1px solid var(--hairline);
  font-size:12px;line-height:1.5;
}
.meta-list li:first-child{border-top:0}
.meta-list .k{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:11px}
.meta-list .v{color:var(--ink);text-align:right}
.meta-list code{font-family:var(--font);font-size:11px}

.detail-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}

@media (max-width:820px){
  .detail-body{grid-template-columns:1fr;gap:32px}
}

/* =====================================================================
   Stat strip (used on landing)
   ===================================================================== */
.stat-strip{
  display:flex;border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);
}
.stat-strip .stat{
  flex:1 1 0;padding:36px 24px;text-align:center;border-right:1px solid var(--hairline);
}
.stat-strip .stat:last-child{border-right:0}
.stat .v{font-size:28px;line-height:1;font-weight:500;margin-bottom:10px}
.stat .k{font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:var(--muted)}
@media (max-width:768px){
  .stat-strip{flex-wrap:wrap}
  .stat-strip .stat{flex:1 1 50%;border-bottom:1px solid var(--hairline)}
  .stat-strip .stat:nth-child(2n){border-right:0}
  .stat-strip .stat:nth-last-child(-n+2){border-bottom:0}
}

/* =====================================================================
   CTA band
   ===================================================================== */
.cta-band{text-align:center;padding:96px 0}
.cta-band .lede{margin-bottom:32px}

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer{
  border-top:1px solid var(--hairline);
  padding:32px 0;
}
.site-footer .wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.footer-copy{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.footer-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.footer-links a{
  font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);
  transition:color .15s;
}
.footer-links a:hover{color:var(--ink)}
.footer-social{display:flex;gap:8px}
.footer-social .btn-icon{width:32px;height:32px}
@media (max-width:600px){
  .site-footer .wrap{flex-direction:column;text-align:center}
}

/* =====================================================================
   Terminal block (kept minimal, monochrome)
   ===================================================================== */
.term{
  border:1px solid var(--ink);background:var(--bg);
}
.term .bar{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-bottom:1px solid var(--hairline);
}
.term .file{font-size:11px;color:var(--muted);text-transform:lowercase;letter-spacing:0}
.term pre{margin:0;padding:16px 18px;font-size:12px;line-height:1.8;color:var(--ink);overflow-x:auto}
.term pre .c{color:var(--muted)}
.term pre .p{color:var(--ink)}

/* =====================================================================
   Misc
   ===================================================================== */
hr.rule{border:0;border-top:1px solid var(--hairline);margin:0}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink);
  border-bottom:1px solid var(--ink);padding-bottom:2px;
  transition:gap .2s;
}
.arrow-link:hover{gap:10px}
.arrow-link .arr{transition:transform .2s}

.tag-inline{
  display:inline-block;font-size:10px;text-transform:uppercase;letter-spacing:.2em;
  color:var(--muted);border:1px solid var(--hairline);padding:3px 8px;line-height:1;
}

/* Stable mascot crop + pronunciation wordmark */
.brand-wordmark{gap:10px}
.brand-mark{width:18px;height:32px;overflow:hidden}
.brand-logo{width:22px;height:32px;max-width:none;object-fit:contain;object-position:center;clip-path:inset(0 17%)}
.brand-copy{display:inline-flex;flex-direction:column;align-items:flex-start;gap:4px;line-height:1}
.brand-pronunciation{font-size:8px;line-height:1;letter-spacing:.02em;color:var(--muted);text-transform:none;white-space:nowrap}

/* =====================================================================
   2026 refresh — clear copy, living pixels, distinct product identities
   ===================================================================== */
:focus-visible{outline:2px solid var(--accent-ink);outline-offset:5px}
[id]{scroll-margin-top:88px}
.skip-link{position:fixed;top:8px;left:16px;z-index:100;background:var(--ink);color:var(--bg);padding:12px 18px;transform:translateY(-160%)}
.skip-link:focus{transform:none}
.muted{color:var(--muted)}
.site-header{background:rgba(250,249,246,.96)}
.site-header .wrap{min-height:76px}
.nav-links{gap:10px}
.nav-links .btn-stamp{height:32px;padding:0 16px}
.btn,.btn-icon{min-height:44px;height:auto}
.btn{padding:14px 20px;gap:18px;font-size:11px}
.btn-icon{width:44px}
.btn:hover,.btn:focus-visible{border-color:var(--accent);color:var(--accent-ink)}
.btn.outline:hover,.btn.outline:focus-visible{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.text-link{font-size:11px;border-bottom:1px solid var(--hairline-2);padding:9px 0;transition:color .2s,border-color .2s}
.text-link:hover{color:var(--accent-ink);border-color:var(--accent)}
.hero-cta{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.eyebrow{letter-spacing:.15em;font-size:10px}
.hero{isolation:isolate;overflow:hidden}
.hero .hero-inner{position:relative;z-index:1;max-width:860px;width:100%}
.home-hero{min-height:740px;min-height:min(850px,calc(100svh - 76px));padding:50px 0 82px}
.hero .eyebrow{margin:0 0 28px}
.hero .hero-logo{width:68px;margin:0 auto 24px}
.hero h1{font-size:clamp(34px,4.5vw,58px);line-height:1.14;letter-spacing:-.055em;margin-bottom:22px}
.hero h1 .muted{color:#85857e}
.hero .lede{max-width:600px;font-size:14px;line-height:1.85;color:#55554f}
.hero .hero-cta{margin-top:30px}
.hero .hero-foot{display:inline-flex;align-items:center;gap:18px;margin:36px 0 0;font-size:9px;letter-spacing:.09em;padding:8px 0}
.hero-foot:hover{color:var(--ink)}
.hero-coordinate{position:absolute;bottom:24px;left:32px;right:32px;display:flex;justify-content:space-between;font-size:8px;letter-spacing:.12em;color:var(--muted)}
.hero-vine{position:absolute;z-index:0;bottom:56px;width:clamp(115px,18vw,255px);height:80%;max-height:620px;pointer-events:none;image-rendering:pixelated}
.vine-static{background:transparent url('assets/pixel-vine.png') center bottom / contain no-repeat}
.vine-left{left:clamp(-40px,2vw,50px)}
.vine-right{right:clamp(-40px,2vw,50px);transform:scaleX(-1)}
.vine-growing svg{display:block;width:100%;height:100%;fill:currentColor;shape-rendering:crispEdges}
.vine-petal,.vine-bud{fill:var(--accent)}
.vine-flower-center{fill:var(--bg)}
.vine-petal,.vine-bud,.vine-leaf{transform-origin:0 0}
.vine-leaf.vine-unfolding{animation:vine-leaf-open .45s steps(7,end) both}
.vine-bud.vine-unfolding{animation:vine-bud-open .3s steps(5,end) both}
.vine-petal.vine-unfolding{animation:vine-petal-open .55s steps(8,end) both}
.vines-ready .vine-unfolding{animation-play-state:paused}
.vines-ready.vines-in-view .vine-unfolding{animation-play-state:running}
@keyframes vine-leaf-open{0%{opacity:0;transform:scale(.1) rotate(30deg)}20%{opacity:1}100%{opacity:1;transform:scale(1) rotate(0)}}
@keyframes vine-bud-open{0%{opacity:0;transform:scale(.2)}100%{opacity:1;transform:scale(1)}}
@keyframes vine-petal-open{0%{opacity:0;transform:scale(.1) rotate(-25deg)}20%{opacity:1}100%{opacity:1;transform:scale(1) rotate(0)}}
.hero-garden{position:absolute;z-index:0;left:50%;top:50%;width:min(760px,82%);height:88%;transform:translate(-50%,-50%);pointer-events:none;overflow:hidden;opacity:.65;mask-image:radial-gradient(ellipse 32% 35% at 50% 50%,#0004 15%,#000 100%)}
.vine-center{width:100%;height:100%;color:#a8ada4}
.vine-center .vine-petal,.vine-center .vine-bud{fill:var(--garden-bloom,#9bafd2)}
.vine-center .vine-flower{transform-box:fill-box}
.vine-stem{stroke:currentColor;stroke-width:2.4;stroke-linecap:square;stroke-linejoin:round;fill:none}
.vine-feeler{stroke-width:1.8}
.vine-tip{fill:currentColor}
.home-hero h1,.home-hero .eyebrow,.home-hero .lede{text-shadow:0 0 8px var(--bg),0 0 14px var(--bg)}
.vine-controls{display:flex;align-items:center;justify-content:center;gap:18px;margin:14px auto 0;color:var(--muted);font-size:9px}
.vine-controls[hidden]{display:none}
.vine-controls button{font:inherit;color:inherit;background:none;border:0;padding:8px 0;cursor:pointer;min-height:32px}
.vine-controls button:hover{color:var(--accent-ink)}
.vine-controls button:disabled{cursor:default;opacity:.5}
@media(max-width:540px){.hero-garden{width:560px;max-width:none;opacity:.42}.vine-controls{margin-top:8px}.home-hero .hero-foot{margin-top:22px}}
.page-hero{min-height:430px;padding:90px 0 72px;border-bottom:1px solid var(--hairline)}
.page-hero .hero-vine{height:90%;bottom:0;max-width:190px}
.page-hero .hero-cta{gap:30px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-heading .eyebrow{margin:0;text-align:left}
.section-note{font-size:9px;letter-spacing:.04em;color:var(--muted)}
.about-section{border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline);background:#f1f0eb;padding:76px 0 64px}
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:80px;align-items:start}
.about-grid h2{font-size:clamp(21px,2.5vw,30px);line-height:1.5;letter-spacing:-.045em;margin:0}
.about-copy p{font-size:13px;line-height:1.9;margin:0 0 16px;color:#55554f}
.about-copy p:last-child{margin-bottom:0}
.process-grid{list-style:none;padding:0;margin:46px 0 0;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--hairline-2)}
.process-grid li{padding:28px 32px 0 0}
.process-grid li+li{padding-left:32px;border-left:1px solid var(--hairline-2)}
.step-number{font-size:10px;color:var(--muted)}
.process-grid h3{font-size:14px;font-weight:normal;margin:16px 0 10px}
.process-grid p{font-size:12px;line-height:1.8;color:#55554f;margin:0}
.products-section{padding:80px 0}
.product-cell{padding:40px;text-align:left;align-items:stretch;justify-content:stretch}
.product-cell:first-child{padding-left:0}
.product-cell:last-child{padding-right:0}
.product-cell .cell-inner{max-width:none;width:100%;display:flex;flex-direction:column;align-items:flex-start}
.product-topline{display:flex;justify-content:space-between;align-items:flex-start;width:100%;margin-bottom:24px}
.product-mark{width:72px;height:72px;flex:none;image-rendering:pixelated}
.product-index{font-size:10px;color:var(--muted);padding-top:6px}
.product-cell .p-name{font-size:30px;letter-spacing:-.05em;text-transform:none;margin-bottom:14px}
.product-subtitle{font-size:12px;line-height:1.7;margin:0 0 14px;color:var(--ink)}
.product-cell .p-tag{font-size:12px;line-height:1.9;text-transform:none;letter-spacing:0;color:#5a5a53;margin-bottom:28px;max-width:410px}
.product-cell .p-cta{justify-content:flex-start;align-items:center;gap:20px;margin-top:auto}
/* VSM Harness Index preview */
.index-section{padding:80px 0;background:var(--ink);color:var(--bg);border-top:1px solid var(--ink)}
.index-section .eyebrow{color:#aaa9a2}.index-section .arrow-link{color:var(--bg);border-color:rgba(250,249,246,.35)}
.index-preview-table{border:1px solid rgba(250,249,246,.28)}
.index-preview-table>header{display:grid;grid-template-columns:1fr .75fr;gap:60px;align-items:end;padding:34px;border-bottom:1px solid rgba(250,249,246,.28)}
.index-preview-table>header span{font-size:8px;letter-spacing:.12em;color:#aaa9a2}.index-preview-table h2{margin:16px 0 0;font-size:clamp(28px,4vw,44px);line-height:1.18;letter-spacing:-.055em}
.index-preview-table>header p{max-width:390px;margin:0;font-size:11px;line-height:1.8;color:#aaa9a2}
.home-table-scroll{overflow-x:auto}.index-preview-table table{width:100%;min-width:680px;border-collapse:collapse;table-layout:fixed}.index-preview-table th,.index-preview-table td{height:50px;padding:9px 12px;border-right:1px solid rgba(250,249,246,.18);border-bottom:1px solid rgba(250,249,246,.18);font-size:9px;text-align:center;font-weight:normal}.index-preview-table th:first-child{width:220px;text-align:left}.index-preview-table thead th{height:36px;color:#aaa9a2;text-transform:uppercase}.index-preview-table tbody th{font-size:10px}.home-state{display:grid;place-items:center;width:27px;height:27px;margin:auto;color:#18181b}.home-state.state-a{background:#83bc8f}.home-state.state-c{background:#86a8d2}.home-state.state-p{background:#b493ce}.home-state.state-none{background:#aaa9a2}.home-state.state-unknown{background:#d8bd71}
.index-preview-table tbody th a:hover,.index-preview-table tbody th a:focus-visible{text-decoration:underline}.home-state{text-decoration:none}
.index-preview-table>footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px}.index-preview-table>footer>span{font-size:8px;text-transform:uppercase;color:#aaa9a2}.index-preview-table .btn{background:var(--bg);border-color:var(--bg);color:var(--ink)}
.arctic-section{position:relative;isolation:isolate;overflow:hidden;background:#eeefec;padding:64px 0 230px;border-top:1px solid var(--hairline)}
.arctic-section>.wrap{position:relative;z-index:1}
.arctic-preview{text-align:center;max-width:650px;margin:0 auto}
.arctic-preview .product-mark{margin:0 auto 22px}
.arctic-preview h2{font-size:clamp(38px,5vw,56px);letter-spacing:.08em;margin:0 0 12px}
.arctic-headline{font-size:16px;margin:0 0 20px;letter-spacing:-.03em}
.arctic-preview .lede{font-size:13px;line-height:1.9;margin:0 auto 26px;max-width:480px;color:#55554f}
.arctic-caption{display:block;color:var(--muted);font-size:9px;letter-spacing:.08em;margin-top:30px}
.arctic-mountains{position:absolute;z-index:0;bottom:-1px;left:0;width:100%;height:240px;background:var(--ink);-webkit-mask:url('assets/arctic-mountains.png') center bottom / 100% 100% no-repeat;mask:url('assets/arctic-mountains.png') center bottom / 100% 100% no-repeat;transition:background-color .6s ease;pointer-events:none}
.arctic-section:hover .arctic-mountains,.arctic-section:focus-within .arctic-mountains{background:var(--accent)}
.arctic-hero{min-height:780px;padding:64px 0 250px;display:block}
.arctic-hero .hero-product-mark{width:90px;height:90px;margin:0 auto 24px}
.arctic-hero h1{font-size:clamp(50px,7vw,80px);letter-spacing:.08em;margin-bottom:16px}
.arctic-hero .lede{max-width:550px;font-size:13px}
.detail{padding:72px 0}
.detail-head{align-items:center;gap:24px;margin-bottom:30px}
.detail-head .eyebrow{margin:0 0 12px;text-align:left;font-size:9px}
.detail-head .d-name{margin:0;font-size:32px;text-transform:none;letter-spacing:-.05em}
.detail-tag{text-transform:none;font-size:16px;letter-spacing:-.03em;margin-bottom:34px;max-width:650px}
.opensiro-prose{max-width:720px}
.detail-status{font-size:10px!important;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-top:28px!important}
.detail-body{grid-template-columns:1.4fr 1fr;gap:80px}
.detail-prose p{color:#55554f;line-height:1.9;font-size:13px}
.detail-prose h3{font-size:12px;letter-spacing:0;text-transform:none;margin:28px 0 12px}
.detail-aside{padding:28px;background:var(--bg)}
.detail-aside .as-label{margin:0 0 16px}
.meta-list .k{font-size:9px;letter-spacing:.04em}
.meta-list .v{font-size:11px}
.detail-actions .btn{font-size:10px;white-space:normal;line-height:1.5}
.research-question{font-size:clamp(22px,3vw,34px);line-height:1.5;letter-spacing:-.045em;max-width:960px;margin-bottom:44px}
.detail-prose .research-expansion{font-size:10px;border-top:1px solid var(--hairline);padding-top:20px;margin-top:28px}
.stat-strip .stat{padding:28px 16px}
.stat .v{font-size:34px;letter-spacing:-.04em}
.stat .v span{font-size:17px}
.stat .k{font-size:9px;line-height:1.7;letter-spacing:.05em}
.cta-band .eyebrow{margin-bottom:26px}
.cta-band h2{font-size:26px;letter-spacing:-.04em}
.cta-band .lede{font-size:12px;color:#55554f;line-height:1.9;margin-bottom:28px}
.footer-copy{font-size:9px;letter-spacing:.04em}

@media(min-width:1600px){.hero-vine{width:300px;max-height:680px}.vine-left{left:calc((100vw - 1440px)/2)}.vine-right{right:calc((100vw - 1440px)/2)}}
@media(max-width:1000px){
  .hero-vine{opacity:.65;width:145px}.vine-left{left:-30px}.vine-right{right:-30px}
  .about-grid,.detail-body{gap:40px}
  .product-cell{padding:32px}
}
@media(max-width:820px){
  .site-header .wrap{gap:10px}
  .nav-links{gap:6px}
  .nav-links .btn-stamp{height:44px;padding:0 10px}
  .home-hero{min-height:690px}
  .hero .hero-inner{max-width:640px}
  .hero .lede{max-width:460px}
  .hero-vine{width:100px;opacity:.4}
  .about-grid,.detail-body{grid-template-columns:1fr;gap:28px}
  .about-grid h2{font-size:28px}
  .product-cell,.product-cell:first-child,.product-cell:last-child{padding:32px 0}
  .product-cell .p-tag{max-width:520px}
  .process-grid li{padding-right:20px}.process-grid li+li{padding-left:20px}
  .arctic-section{padding-bottom:200px}.arctic-mountains{height:175px}
  .arctic-hero{min-height:710px;padding-top:64px;padding-bottom:210px}
}
@media(max-width:540px){
  .site-header .wrap{min-height:68px;padding:0 16px;gap:8px}
  .brand-wordmark{gap:7px}
  .brand-name{font-size:12px;letter-spacing:.05em}
  .brand-pronunciation{font-size:7px}
  .nav-links{flex:1;min-width:0;justify-content:flex-end;gap:4px}
  .nav-links .btn-stamp{font-size:9px;padding:0 clamp(4px,1.6vw,7px);letter-spacing:0}
  .brand-pronunciation{display:none}
  .home-hero{min-height:710px;padding:48px 0 75px}
  .hero .hero-inner{padding-left:30px;padding-right:30px}
  .hero h1{font-size:32px;letter-spacing:-.065em}
  .hero .eyebrow{font-size:8px;letter-spacing:.09em}
  .hero .hero-logo{width:62px;margin-bottom:24px}
  .hero .lede{font-size:12px;max-width:320px;line-height:1.9}
  .desktop-break{display:none}
  .hero .hero-cta{gap:10px}
  .hero-cta .btn{font-size:9px;padding:13px 12px;gap:10px}
  .hero .hero-foot{font-size:8px;letter-spacing:0;margin-top:30px}
  .hero-vine{width:88px;height:72%;bottom:75px;opacity:.24}
  .vine-left{left:-20px}.vine-right{right:-20px}
  .hero-coordinate{left:20px;right:20px;font-size:7px}.hero-coordinate span:last-child{display:none}
  .section-heading{gap:16px;margin-bottom:30px;align-items:flex-start}.section-note{max-width:120px;text-align:right;font-size:8px}
  .section-heading .arrow-link{font-size:8px;letter-spacing:0}
  .about-section,.products-section,.detail{padding:52px 0}
  .about-grid h2{font-size:23px}
  .about-copy p,.detail-prose p{font-size:12px}
  .process-grid{grid-template-columns:1fr;margin-top:32px}
  .process-grid li,.process-grid li+li{border-left:0;border-bottom:1px solid var(--hairline);padding:22px 0}
  .process-grid li:last-child{border-bottom:0;padding-bottom:0}
  .process-grid h3{margin-top:10px}.process-grid p{max-width:360px}
  .page-hero{padding:68px 0 52px;min-height:390px}
  .page-hero .hero-vine{bottom:0}
  .page-hero .hero-cta{gap:24px}
  .product-cell .p-name{font-size:28px}
  .product-mark{width:64px;height:64px}
  .index-section{padding:52px 0}.index-preview-table>header{grid-template-columns:1fr;gap:22px;padding:24px}.index-preview-table>footer{align-items:flex-start;flex-direction:column}
  .detail-head{gap:16px}.detail-head .d-name{font-size:28px}
  .detail-tag{font-size:14px}.detail-aside{padding:22px}
  .arctic-section{padding-top:48px;padding-bottom:140px}
  .arctic-mountains{height:120px;-webkit-mask-size:170% 100%;mask-size:170% 100%}
  .arctic-preview h2{font-size:42px}.arctic-headline{font-size:14px}
  .arctic-preview .lede{font-size:12px}
  .arctic-caption{font-size:8px;letter-spacing:0}
  .arctic-hero{min-height:710px;padding-top:54px;padding-bottom:170px}
  .arctic-hero h1{font-size:56px;letter-spacing:.06em}
  .arctic-hero .hero-product-mark{width:80px;height:80px}
  .research-question{font-size:22px}
  .stat-strip .stat{flex-basis:50%;padding:24px 10px}.stat .v{font-size:28px}
  .cta-band{padding:64px 0}.cta-band h2{font-size:22px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .hero-vine{clip-path:none!important}
}

/* Public ARCTIC-0 training pairs, drawn directly from the source matrices. */
.research-hero .hero-inner{max-width:660px}
.research-orbit{position:absolute;top:220px;z-index:1;width:176px;text-align:left;pointer-events:none}
.orbit-left{left:max(28px,calc((100vw - 1200px)/2 + 32px));transform:translateY(24px)}
.orbit-right{right:max(28px,calc((100vw - 1200px)/2 + 32px));transform:translateY(-28px)}
.research-orbit img{width:176px;height:176px;margin:16px 0;border:6px solid var(--bg);outline:1px solid var(--hairline-2);image-rendering:pixelated}
.orbit-stack img{width:144px;height:204px;object-fit:contain}
.orbit-label,.orbit-foot{font-size:8px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.orbit-foot{font-size:7px;letter-spacing:.03em}
.benchmark-samples{padding:80px 0;border-bottom:1px solid var(--hairline)}
.sample-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;margin-bottom:42px}
.sample-intro h2{font-size:clamp(22px,3vw,34px);line-height:1.4;letter-spacing:-.045em;margin:0}
.sample-intro>p{font-size:12px;line-height:1.9;color:#55554f;max-width:380px;margin:0}
.sample-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--hairline-2);border-bottom:1px solid var(--hairline-2)}
.sample-card{margin:0;padding:26px 22px;min-width:0;display:flex;flex-direction:column;align-items:stretch;border-right:1px solid var(--hairline-2)}
.sample-card:first-child{padding-left:0}.sample-card:last-child{padding-right:0;border-right:0}
.sample-card:nth-child(2){padding-right:0;border-right:0}
.sample-topline{display:flex;justify-content:space-between;gap:10px;font-size:8px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;margin-bottom:28px}
.sample-grid-labels{display:grid;grid-template-columns:1fr 1fr;gap:20px;text-align:center;font-size:8px;color:var(--muted)}
.sample-diagram{display:block;width:100%;height:260px;margin:8px 0 22px;overflow:visible}
.sample-card h3{font-size:12px;font-weight:normal;line-height:1.7;margin:0 0 10px}
.sample-card figcaption p{font-size:11px;color:#55554f;line-height:1.8;margin:0 0 18px}
.sample-card figcaption .sample-task-name{font-size:9px;line-height:1.6;letter-spacing:.02em;color:var(--muted);margin:0 0 10px}
.sample-card-wide{grid-column:1/-1;display:grid;grid-template-columns:.7fr 1.3fr;column-gap:42px;border-top:1px solid var(--hairline-2);padding-left:0;padding-top:32px;padding-bottom:32px}
.sample-card-wide .sample-topline{grid-column:1/-1}
.sample-card-wide .sample-grid-labels{grid-column:2;grid-row:2}
.sample-card-wide .sample-diagram{grid-column:2;grid-row:3/5;height:auto;max-width:600px;margin:8px 0 0;justify-self:center}
.sample-card-wide figcaption{grid-column:1;grid-row:3;align-self:end}
.sample-card-wide .sample-replay{grid-column:1;grid-row:4;align-self:start;justify-self:start;margin-top:0}
.sample-replay{align-self:flex-start;display:inline-flex;align-items:center;gap:7px;margin-top:auto;min-height:44px;font-size:10px}
.sample-replay[hidden]{display:none}
.sample-credit{font-size:9px;color:var(--muted);line-height:1.9;margin:20px 0 0}
.sample-credit a{border-bottom:1px solid var(--hairline-2)}
.sample-credit a:hover{color:var(--accent-ink)}
@media(max-width:1100px){.research-orbit{display:none}}
@media(max-width:820px){
  .sample-intro{display:block}.sample-intro>p{margin-top:22px;max-width:520px}
  .sample-grid{grid-template-columns:1fr}
  .sample-card,.sample-card:first-child,.sample-card:last-child{padding:28px 0;border-right:0;border-bottom:1px solid var(--hairline-2)}
  .sample-card:last-child{border-bottom:0}
  .sample-card-wide{display:flex;grid-column:auto;border-top:0}
  .sample-card-wide figcaption{align-self:stretch}
  .sample-card-wide .sample-diagram{height:auto;max-width:420px;margin:8px 0 22px}
  .sample-card-wide .sample-replay{align-self:flex-start}
  .sample-diagram,.sample-grid-labels{max-width:420px;align-self:center;width:100%}
  .sample-card figcaption p{max-width:520px}
  .sample-topline{margin-bottom:20px}
}
@media(max-width:540px){.benchmark-samples{padding:52px 0}.sample-intro{margin-bottom:28px}.sample-intro h2{font-size:23px}}

/* ARCTIC workflow — preparation, submission, and small-model evaluation. */
.detail .section-export{display:inline;margin-left:7px;color:inherit;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.detail .section-export:hover,.detail .section-export:focus-visible{color:var(--accent-ink)}
.workflow-question{margin-bottom:20px}
.workflow-intro{max-width:790px;margin:0 0 36px;color:var(--muted-2);font-size:13px;line-height:1.9}
.workflow-intro strong{font-weight:normal;color:var(--ink)}
.research-workflow{margin:0 0 48px;border:1px solid var(--hairline-2)}
.workflow-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:17px 24px;border-bottom:1px solid var(--hairline-2);font-size:10px;letter-spacing:.05em;text-transform:uppercase}
.workflow-focus{color:#2458c4;display:inline-flex;align-items:center;gap:9px}
.workflow-focus::before{content:'';width:7px;height:7px;background:currentColor;flex-shrink:0}
.workflow-board{--bridge:184px;--gap:28px;display:grid;grid-template-columns:minmax(0,1fr) var(--bridge) minmax(0,1fr);column-gap:var(--gap);padding:28px 28px 26px}
.workflow-lane{min-width:0;border:1px dashed var(--hairline-2);padding:20px}
.workflow-lane h3{font-size:13px;font-weight:normal;line-height:1.7;margin:0 0 22px;min-height:44px}
.workflow-lane h3>span{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:6px}
.workflow-preparation{grid-area:1/1}
.workflow-evaluation{grid-area:1/3;border-color:#809bd5}
.workflow-node{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;border:1px solid var(--hairline-2);background:var(--bg);padding:15px 10px}
.workflow-node h4{font-size:12px;line-height:1.7;font-weight:normal;margin:0}
.workflow-node p{font-size:10px;color:var(--muted);line-height:1.7;margin:6px 0 0}
.workflow-node-label{font-size:8px;line-height:1.6;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.workflow-builder,.workflow-dataset{min-height:156px}
.workflow-cycle{margin:0 0 10px;flex-shrink:0}
.workflow-training,.workflow-test{min-height:88px}
.workflow-student,.workflow-package{min-height:102px;border-color:#809bd5}
.workflow-student{background:#edf2ff}
.workflow-student h4{color:#2458c4}
.workflow-test{color:var(--bg);background:var(--ink);border-color:var(--ink)}
.workflow-test p{color:#d8d8d3}
.workflow-step{display:flex;justify-content:center;align-items:center;gap:8px;height:38px;font-size:9px;color:var(--muted);margin:0}
.workflow-step>span{color:var(--ink);font-size:18px;line-height:1}
.workflow-splits{display:grid;grid-template-columns:.85fr 1.15fr;width:100%;margin-top:14px;border:1px solid var(--hairline-2)}
.workflow-splits>div{padding:9px 4px}
.workflow-splits>div+div{border-left:1px solid var(--hairline-2);background:#edf2ff}
.workflow-splits>div>span{font-size:9px;color:var(--ink)}
.workflow-splits p{font-size:9px;margin-top:4px}
.workflow-exchange{position:relative;grid-area:1/2;align-self:start;text-align:center}
.workflow-brief{margin-top:102px}
.workflow-feedback{margin-top:280px;color:#2458c4}
.workflow-frequency{position:relative;z-index:1;display:block;background:var(--bg);font-size:8px;text-transform:uppercase;letter-spacing:.02em;margin-bottom:10px;color:var(--muted)}
.workflow-exchange>p{position:relative;z-index:1;border:1px solid var(--hairline-2);padding:12px 9px;background:var(--bg);margin:0;font-size:10px;line-height:1.8}
.workflow-exchange strong{display:block;font-weight:normal;margin-bottom:4px}
.workflow-exchange p>span{display:block;color:var(--muted);font-size:9px}
.workflow-feedback>p{border-color:#809bd5}
.workflow-return-arrow{position:absolute;top:67px;left:calc(-1 * var(--gap));right:calc(-1 * var(--gap));border-top:1px solid var(--muted)}
.workflow-return-arrow::before{position:absolute;content:'';top:-4px;left:0;width:7px;height:7px;border-left:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);color:var(--muted)}
.workflow-feedback .workflow-return-arrow{border-color:#809bd5;left:-14px;top:50px}
.workflow-feedback .workflow-return-arrow::after{position:absolute;content:'';right:100%;bottom:0;width:14px;height:118px;border-top:1px solid #809bd5;border-right:1px solid #809bd5}
.workflow-feedback .workflow-return-arrow::before{left:-14px;top:-122px;color:#809bd5}
.workflow-feedback .workflow-feedback-destination{border:0;background:none;padding:12px 4px 0;color:var(--muted);font-size:9px}
.workflow-submission{grid-area:2/1/3/4;position:relative;text-align:center;margin:0 calc((100% - var(--bridge) - 2 * var(--gap))/4);height:34px;border:1px solid #809bd5;border-top:0;color:#2458c4}
.workflow-submission>span{position:relative;top:23px;background:var(--bg);padding:0 12px;font-size:9px;white-space:nowrap}
.workflow-submission::after{content:'';position:absolute;right:-4px;top:0;width:7px;height:7px;border-left:1px solid #809bd5;border-top:1px solid #809bd5;transform:rotate(45deg)}

@media(max-width:1000px) and (min-width:861px){
  .workflow-board{--bridge:158px;--gap:22px;padding:22px 18px 26px}
  .workflow-lane{padding:16px 12px}
  .workflow-node h4{font-size:11px}
}
@media(max-width:860px){
  .workflow-board{display:flex;flex-direction:column;gap:0;padding:24px}
  .workflow-lane{width:100%;padding:22px}
  .workflow-lane h3{min-height:0;margin-bottom:20px}
  .workflow-brief{order:0;margin:0 0 28px;align-self:center;width:min(100%,340px)}
  .workflow-preparation{order:1}
  .workflow-submission{order:2;margin:0;height:70px;border:0;display:flex;align-items:center;justify-content:center}
  .workflow-submission>span{top:0;white-space:normal;padding:0 12px 8px}
  .workflow-submission>span>span{display:none}
  .workflow-submission::after{top:auto;right:calc(50% - 4px);bottom:10px;transform:rotate(225deg)}
  .workflow-evaluation{order:3}
  .workflow-feedback{order:4;margin:28px 0 0;align-self:center;width:min(100%,340px)}
  .workflow-return-arrow{display:none}
  .workflow-brief::after{content:'↓';position:absolute;bottom:-27px;left:calc(50% - 5px);font-size:18px;color:var(--muted)}
  .workflow-feedback .workflow-frequency::before{content:'↶ ';color:#2458c4}
  .workflow-builder,.workflow-dataset{min-height:144px}
}
@media(max-width:540px){
  .workflow-heading{align-items:flex-start;flex-direction:column;gap:10px;padding:16px;font-size:9px}
  .workflow-board{padding:22px 14px}
  .workflow-lane{padding:18px 14px}
  .workflow-intro{font-size:12px}
}
.idea-statement{padding:104px 0}.idea-copy{display:grid;gap:28px;max-width:820px;margin:0 auto;text-align:center}.idea-copy p{margin:0;font-size:clamp(1.05rem,2vw,1.4rem);line-height:1.75;letter-spacing:-.025em;color:#454844}.idea-copy p+p{color:var(--muted-2)}.hero-coordinate:has(>span:only-child){justify-content:flex-start}@media(max-width:760px){.idea-statement{padding:72px 0}.idea-copy{gap:22px}.idea-copy p{font-size:1rem;line-height:1.7}}



/* Home Index preview mirrors the mobile harness row hierarchy. */
@media(max-width:680px){
  .home-table-scroll{position:relative;overflow-x:hidden}
  .index-preview-table table,.index-preview-table tbody{display:block;width:100%;min-width:0}
  .index-preview-table thead{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .index-preview-table tbody tr{display:grid;grid-template-columns:minmax(0,1fr) repeat(6,30px);gap:8px 4px;padding:14px 10px;border-bottom:1px solid rgba(250,249,246,.18)}
  .index-preview-table tbody tr:last-child{border-bottom:0}
  .index-preview-table tbody th,.index-preview-table tbody td{width:auto;min-width:0;height:auto;padding:0;border:0}
  .index-preview-table tbody th{grid-column:1/-1;grid-row:1;text-align:left}
  .index-preview-table tbody th a{display:block;white-space:normal;overflow-wrap:anywhere;font-size:11px;line-height:1.5}
  .index-preview-table tbody td{grid-row:2;display:flex;flex-direction:column;align-items:center;gap:5px}
  .index-preview-table tbody td::before{font-size:8px;line-height:1;color:#aaa9a2}
  .index-preview-table tbody td:nth-of-type(1){grid-column:2}
  .index-preview-table tbody td:nth-of-type(1)::before{content:"S1"}
  .index-preview-table tbody td:nth-of-type(2){grid-column:3}
  .index-preview-table tbody td:nth-of-type(2)::before{content:"S2"}
  .index-preview-table tbody td:nth-of-type(3){grid-column:4}
  .index-preview-table tbody td:nth-of-type(3)::before{content:"S3"}
  .index-preview-table tbody td:nth-of-type(4){grid-column:5}
  .index-preview-table tbody td:nth-of-type(4)::before{content:"S3*"}
  .index-preview-table tbody td:nth-of-type(5){grid-column:6}
  .index-preview-table tbody td:nth-of-type(5)::before{content:"S4"}
  .index-preview-table tbody td:nth-of-type(6){grid-column:7}
  .index-preview-table tbody td:nth-of-type(6)::before{content:"S5"}
  .index-preview-table .home-state{width:30px;height:30px;margin:0}
}