/* =====================================================================
   opensiro — globals.css
   Monochrome monospace design language.
   Warm off-white background, sharp corners, 1px hairline borders,
   invert-on-hover, single monospace typeface (DepartureMono).
   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;
}

:root{
  --bg:#faf9f6;            /* warm off-white, NOT #fff */
  --ink:#18181b;           /* zinc-900 */
  --muted:rgba(0,0,0,.5);
  --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:#2f6df6;        /* micro-accent only: status dots */
  --ok:#16a34a;
  --warn:#d97706;
  --font:'DepartureMono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --maxw:1280px;
  --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}

/* mobile menu trigger (hidden on desktop) */
.menu-trigger{display:none}
.menu-close{display:none}

@media (max-width:820px){
  .nav-links{display:none}
  .menu-trigger{display:inline-flex}
}

/* =====================================================================
   Mobile nav drawer
   ===================================================================== */
.mobile-nav{position:fixed;inset:0;z-index:60;display:none}
.mobile-nav.open{display:block}
.mobile-nav .scrim{
  position:absolute;inset:0;background:rgba(0,0,0,.4);
  animation:fade .2s ease;
}
.mobile-nav .panel{
  position:absolute;top:0;right:0;height:100vh;width:min(320px,86vw);
  background:var(--bg);border-left:1px solid var(--ink);
  padding:24px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);animation:slideIn .25s ease forwards;
}
@keyframes slideIn{to{transform:none}}
@keyframes fade{from{opacity:0}}
.mobile-nav .panel .mobile-head{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:24px;
}
.mobile-nav .panel a.btn-stamp{justify-content:flex-start;height:40px;font-size:13px}
.mobile-nav .panel .mobile-foot{
  margin-top:auto;display:flex;gap:8px;
}
@media (prefers-reduced-motion:reduce){
  .mobile-nav .scrim,.mobile-nav .panel{animation:none}
  .mobile-nav .panel{transform:none}
}

/* =====================================================================
   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-status{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11px;text-transform:uppercase;letter-spacing:.2em;color:var(--muted-2);
  margin-bottom:28px;
}
.product-cell .p-status .dot{width:6px;height:6px;border-radius:50%;background:var(--ink);flex:none}
.product-cell .p-status.alpha .dot{background:var(--warn)}
.product-cell .p-status.research .dot{background:var(--accent)}
.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-head .d-status{
  font-size:11px;text-transform:uppercase;letter-spacing:.2em;color:var(--muted);
  display:inline-flex;align-items:center;gap:8px;
}
.detail-head .d-status .dot{width:6px;height:6px;border-radius:50%;background:var(--warn)}
.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: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}
.footer-font{
  flex-basis:100%;width:100%;margin:10px 0 0;
  font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);text-align:center;
}
.footer-font a{color:inherit;transition:color .15s}
.footer-font a:hover{color:var(--ink)}

@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}