:root{
  
  --forest:#123a31;
  --ivory:#f1efe7;
  --gold:#d9bd7c;
  --sage:#a8c3ac;

  
  --bg:#f1efe7;            
  --bg-2:#e9e6dc;          
  --panel:#f7f6f1;
  --panel-2:#fbfaf7;
  --line:#c3c9c0;
  --line-soft:#d6d9d0;
  --ink:#123a31;           
  --ink-dim:#33554c;       
  --ink-faint:#4a675e;     

  
  --accent:#d9bd7c;        
  --accent-ink:#123a31;    
  --on-accent:#123a31;     
  --mark-ink:#123a31;      
  --tint:rgba(217,189,124,.30);
  --shadow:rgba(18,58,49,.20);
  --btn-primary:var(--gold);         
  --btn-primary-edge:#123a31;        

  
  --map-off:#c3c9c0;
  --map-on:#123a31;
  --map-flash:#d9bd7c;

  
  --chart-bg:#111419;

  
  --coral:#123a31;         
  --coral-dim:#33554c;
  --amber:#123a31;         
  --moss:#123a31;          
  --rust:#33554c;          
}


@media print{
  :root{
    --bg:#ffffff; --bg-2:#ffffff; --panel:#f6f5f0; --panel-2:#f6f5f0;
    --line:#d3d6cd; --line-soft:#e4e5de;
    --ink:#123a31; --ink-dim:#2f4c44; --ink-faint:#4a675e;
    --accent:#d9bd7c; --accent-ink:#123a31; --on-accent:#123a31; --mark-ink:#123a31;
    --coral:#123a31; --coral-dim:#2f4c44; --amber:#123a31; --moss:#123a31; --rust:#2f4c44;
  }
  
  .wordmark .lockup,footer .lockup{content:url('../img/brand/ggr-data-lockup-forest.png')}
}

@media screen{
  
  .topbar, .hero, .band, .cta, footer, .term, .surface-forest{
    --bg:#123a31;
    --bg-2:#0f3129;
    --panel:#174238;
    --panel-2:#1c493e;
    --line:#3f5e55;
    --line-soft:#2d5047;
    --ink:#f1efe7;          
    --ink-dim:#d0d4cc;      
    --ink-faint:#b9c2ba;    
    --accent-ink:#d9bd7c;   
    --mark-ink:#a8c3ac;     
    --tint:rgba(217,189,124,.16);
    --shadow:rgba(6,24,20,.45);
    --btn-primary-edge:var(--btn-primary);
    --map-off:#2d5047; --map-on:#d9bd7c; --map-flash:#f1efe7;
    --coral:#d9bd7c; --coral-dim:#b9c2ba; --amber:#d9bd7c; --moss:#a8c3ac; --rust:#d0d4cc;
    color:var(--ink);
  }
  .hero, .cta, footer, .surface-forest{background:var(--bg)}
  .band{background:var(--forest)}
  .topbar{background:rgba(18,58,49,.97)}
  .term{background:var(--panel)}

  
  html{background:var(--forest)}      
  body{background:var(--bg);color:var(--ink)}
  body::before{background:none}
  ::selection{background:var(--gold);color:var(--forest)}

  
  .k .tick{color:var(--gold)}
  .sec-head .rule{background:var(--gold);opacity:.75}
  .btn.solid{background:var(--btn-primary);border-color:var(--btn-primary-edge);color:var(--on-accent)}
  .btn.solid:hover,.btn.solid:focus-visible{background:var(--ink);border-color:var(--ink);color:var(--bg)}
  .btn:not(.solid):not(.ghost):hover{background:var(--accent-ink);border-color:var(--accent-ink);color:var(--bg)}
  :focus-visible{outline-color:var(--accent-ink)}

  
  .term-bar .dot.r{background:var(--sage)}
  .term-bar .dot.g{background:var(--gold)}
  .term-bar .dot.m{background:var(--ink-faint)}
}


@media (min-width:761px) and (max-width:1023px){
  .topnav a.navlink[href$="#drill"],.topnav a.navlink[href$="/model-spec"],.topnav a.navlink[href$="/about"]{display:none}
}


.wordmark .lockup{display:block;height:28px;width:auto}
footer .lockup{display:block;height:34px;width:auto;margin-bottom:4px}
footer .f-brand{display:flex;flex-direction:column;gap:6px}
@media (max-width:480px){.wordmark .lockup{height:24px}}


.hero{padding-top:0}
.hero-top{position:relative;padding-top:72px}
@media (max-width:980px){.hero-top{padding-top:56px}}
.hero .hero-grid{padding-bottom:44px}
.hero-reel{position:relative;z-index:1;padding-bottom:56px}
.hero-reel figure{margin:0}
.hero-reel .reel-frame{
  position:relative;aspect-ratio:16/9;background:var(--forest) url('../hero-poster.jpg') center/cover no-repeat;
  border:1px solid var(--line);box-shadow:0 30px 70px -36px var(--shadow);overflow:hidden;
}
.hero-reel video{display:block;width:100%;height:100%;object-fit:cover}
.hero-reel figcaption{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:14px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);
}
.hero-reel .vidtoggle{padding:8px 16px;font-size:11.5px}
@media (max-width:980px){.hero-reel .vidtoggle{padding:13px 18px}}


.contact-grid{display:grid;grid-template-columns:.8fr 1.4fr;gap:48px;align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;gap:36px}}
.contact-grid > *{min-width:0}
.cform{border:1px solid var(--line);background:var(--panel);padding:30px 28px}
.cform .field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.cform .frow{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.cform .frow > *{min-width:0}
@media (max-width:640px){.cform .frow{grid-template-columns:1fr}}
.cform label{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint)}
.cform input,.cform select,.cform textarea{
  font-family:var(--mono);font-size:16px;color:var(--ink);background:var(--bg);
  border:1px solid var(--line);border-radius:0;padding:12px 14px;width:100%;
}
.cform textarea{min-height:150px;resize:vertical;line-height:1.6}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:2px solid var(--gold);outline-offset:0;border-color:var(--ink)}
.cform .req{color:var(--ink-dim)}
.cform .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.cform .privacy-line{font-size:13.5px;color:var(--ink-dim);line-height:1.7;margin:4px 0 22px}
.cform button.btn{cursor:pointer;font-size:13px}
.contact-aside p{font-size:16px;color:var(--ink-dim);line-height:1.8;margin-bottom:18px}
.contact-aside .mail{font-family:var(--mono);font-size:16px;color:var(--ink);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px}


.notes-head{padding:72px 0 34px}
.notes-head h1{font-size:clamp(34px,4.4vw,54px);line-height:1.08;margin:18px 0 16px}
.notes-head p.lede{font-size:17px;color:var(--ink-dim);max-width:60ch;line-height:1.75}
.notes-empty{border:1px dashed var(--line);background:var(--panel);padding:40px 32px;margin:10px 0 90px}
.notes-empty p{font-size:16px;color:var(--ink-dim);line-height:1.8;max-width:62ch}
.notes-empty p + p{margin-top:12px}
.notes-filters{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 26px}
.notes-filters span{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--line);padding:6px 11px;color:var(--ink-faint)}
.note-article{max-width:780px;margin:0;padding:0 0 40px}
.note-article h1{font-size:clamp(30px,3.8vw,46px);line-height:1.12;margin:16px 0 14px}
.note-meta{font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);padding-bottom:20px;border-bottom:1px solid var(--gold)}
.note-chart{margin:30px 0 26px;border:1px solid var(--line);background:var(--chart-bg)}
.note-chart img{display:block;width:100%;height:auto}
.note-chart .ph{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;color:var(--ivory);font-family:var(--mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase}
.note-body p{font-size:17px;line-height:1.8;margin-bottom:16px}
.note-source{font-size:14px;color:var(--ink-dim);margin:22px 0 34px}
.request-box{border:1px solid var(--line);border-left:3px solid var(--gold);background:var(--panel);padding:22px 24px;margin:0 0 40px}
.request-box p{font-size:15.5px;line-height:1.75;color:var(--ink-dim)}
.request-box a{color:var(--ink)}
.related{border-top:1px solid var(--line);padding-top:20px;margin-bottom:60px}
.related ul{list-style:none;margin-top:12px}
.related li{padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:15.5px}
.related a{color:var(--ink);text-decoration:none}
.related a:hover{text-decoration:underline;text-decoration-color:var(--gold)}
.placeholder-flag{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  background:var(--gold);color:var(--forest);padding:10px 14px;margin:24px 0 0;text-align:center;
}


:root{
  --serif:'Geist Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --mono:'Geist Mono',ui-monospace,'SF Mono',Menlo,monospace;
}

em,i,.accent{font-style:normal!important}
p em,li em,.standfirst em,.lede em,.founder-copy em{font-weight:600}
h1,h2,h3,.serif{letter-spacing:-.025em}
body{font-size:16px;line-height:1.6}

@media screen{
  
  .hero h1{font-size:clamp(32px,4.2vw,54px);line-height:1.08;margin:18px 0 22px}
  @media (max-width:420px){.hero h1{font-size:28px}}   
  .hero .sub{font-size:16px;line-height:1.65;max-width:60ch;margin-bottom:30px}
  h2{font-size:clamp(22px,2.4vw,30px);line-height:1.2}
  .cta h2{font-size:clamp(24px,2.8vw,34px);max-width:24ch}
  .problem p.big{font-size:clamp(17px,1.8vw,20px);line-height:1.65}
  .capstate .cbig{font-size:38px}
  main h1{font-size:clamp(30px,3.4vw,44px);line-height:1.1}
  .phead h1{font-size:clamp(30px,3.4vw,44px)}
  .note-article h1{font-size:clamp(26px,3vw,36px)}
  .notes-head h1{font-size:clamp(30px,3.4vw,44px)}

  
  section{padding:72px 0}
  .problem{padding:60px 0}
  .cta{padding:84px 0}
  .sec-head{margin-bottom:34px}
  .hero-top{padding-top:60px}
  .hero .hero-grid{padding-bottom:40px}
  .hero-reel{padding-bottom:48px}
  .drill-sticky{padding:72px 0}
  .cta-band{padding:64px 0}
  @media (max-width:760px){section{padding:52px 0}.cta{padding:64px 0}}

  
  .band-grid,.recon-grid{align-items:start}
}



pre{max-width:100%;overflow-x:auto}
p,li{overflow-wrap:break-word}   
@media (max-width:760px){
  .an-row{grid-template-columns:minmax(0,1fr)}
  .an-row > *,.an-rows,section > *{min-width:0}
}


.note-feature{display:grid;grid-template-columns:1.35fr 1fr;gap:0;margin:26px 0 34px;border:1px solid var(--line);
  background:var(--panel);text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.note-feature:hover,.note-feature:focus-visible{border-color:var(--gold);box-shadow:0 18px 40px -28px var(--shadow)}
.nf-img{display:block;background:var(--chart-bg);border-right:1px solid var(--line)}
.nf-img img{display:block;width:100%;height:auto}
.nf-copy{display:flex;flex-direction:column;gap:10px;padding:24px 26px}
.nf-flag{align-self:flex-start;font-size:11px;letter-spacing:.14em;text-transform:uppercase;background:var(--gold);color:var(--forest);padding:3px 8px;font-weight:600}
.nf-t{font-size:clamp(19px,1.9vw,24px);font-weight:600;line-height:1.25;letter-spacing:-.02em}
.nf-first{font-size:14.5px;line-height:1.6;color:var(--ink-dim)}
.nf-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:8px}
.nf-foot .btn{padding:10px 18px;font-size:12px}
@media (max-width:860px){.note-feature{grid-template-columns:1fr}.nf-img{border-right:0;border-bottom:1px solid var(--line)}}
.notes-filters{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 10px}
.notes-filters[hidden]{display:none}
.notes-filters button{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;
  border:1px solid var(--line);background:var(--panel);color:var(--ink-dim);padding:8px 11px;min-height:36px}
.notes-filters button b{color:var(--ink);font-weight:600;margin-left:4px}
.notes-filters button:hover{border-color:var(--ink)}
.notes-filters button[aria-pressed="true"]{background:var(--forest);border-color:var(--forest);color:var(--ivory)}
.notes-filters button[aria-pressed="true"] b{color:var(--gold)}
.notes-count{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);margin:6px 0 16px}
.note-grid{list-style:none;margin:0 0 72px;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.note-grid li.note-card{padding:0;margin:0;max-width:none;display:block}
.note-grid li.note-card::before{content:none}
.note-card[hidden]{display:none!important}
.note-grid .note-card.is-lead{display:none}                       
.notes-filtered .note-grid .note-card.is-lead{display:block}
.notes-filtered .note-feature{display:none}
.note-card a{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);background:var(--panel);
  text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s,box-shadow .15s}
.note-card a:hover,.note-card a:focus-visible{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 14px 30px -24px var(--shadow)}
.nc-img{display:block;aspect-ratio:16/9;background:var(--chart-bg);border-bottom:1px solid var(--line);overflow:hidden}
.nc-img img{display:block;width:100%;height:100%;object-fit:cover}
.nc-body{display:flex;flex-direction:column;gap:7px;padding:14px 15px 13px;flex:1}
.ni-k{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint)}
.nc-t{font-size:14.5px;font-weight:600;line-height:1.45;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.nc-foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:6px;border-top:1px solid var(--line-soft)}
.ni-d{font-size:12px;color:var(--ink-faint);white-space:nowrap}
.nc-view{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);
  border-bottom:2px solid var(--gold);padding-bottom:1px;white-space:nowrap}
.note-card a:hover .nc-view{color:var(--forest);border-bottom-color:var(--forest)}

.note-chart a{display:block}
.chart-full{margin:-16px 0 22px;font-size:12.5px;letter-spacing:.06em}
.chart-full a{color:var(--ink-dim);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
.note-body p.since{border-left:3px solid var(--gold);padding:8px 0 8px 14px;color:var(--ink-dim);font-size:15px}
.related .rel-date{color:var(--ink-faint);font-size:12.5px;margin-left:8px;white-space:nowrap}



.menu-btn{display:none}
.site-menu[hidden]{display:none}
.site-menu{position:fixed;inset:0;z-index:300}
.sm-backdrop{position:absolute;inset:0;background:rgba(6,24,20,.6);opacity:0;transition:opacity .2s ease}
.sm-panel{position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);display:flex;flex-direction:column;
  padding:8px 22px 28px;overflow-y:auto;transform:translateX(100%);transition:transform .22s ease;
  box-shadow:-24px 0 60px -30px rgba(6,24,20,.9);border-left:1px solid var(--line)}
.site-menu.open .sm-backdrop{opacity:1}
.site-menu.open .sm-panel{transform:none}
.sm-head{display:flex;align-items:center;justify-content:space-between;min-height:58px;border-bottom:1px solid var(--gold);margin-bottom:6px}
.sm-title{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-faint)}
.sm-close{width:44px;height:44px;margin-right:-10px;background:none;border:0;color:var(--ink);font-size:30px;line-height:1;cursor:pointer}
.sm-panel ul{list-style:none;margin:4px 0 24px;padding:0}
.sm-panel li{margin:0;padding:0}
.sm-panel li::before{content:none}
.sm-panel li a{display:flex;align-items:center;min-height:52px;padding-left:12px;border-bottom:1px solid var(--line-soft);
  font-family:var(--mono);font-size:17px;letter-spacing:-.01em;color:var(--ink);text-decoration:none;border-left:3px solid transparent}
.sm-panel li a:hover,.sm-panel li a:focus-visible{color:var(--gold)}
.sm-panel li a[aria-current="page"]{border-left-color:var(--gold);color:var(--gold)}
.sm-cta{display:block;text-align:center;padding:16px 18px;margin-top:4px}
.sm-mail{margin-top:18px;text-align:center}
.sm-mail a{display:inline-flex;align-items:center;min-height:44px;font-family:var(--mono);font-size:13px;color:var(--ink-dim)}
html.menu-open{overflow:hidden}
@media (prefers-reduced-motion:reduce){.sm-panel,.sm-backdrop{transition:none}}
@media print{.menu-btn,.site-menu{display:none!important}}


.hero-notes{display:inline-flex;align-items:center;min-height:44px;margin-top:14px;font-family:var(--mono);font-size:13px;
  letter-spacing:.06em;color:var(--ink-dim);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px}
.hero-notes:hover{color:var(--ink)}


.latest-notes{padding:52px 0 8px}
.latest-notes .sec-head{margin-bottom:22px}
.ln-all{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);white-space:nowrap;
  text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:4px;display:inline-flex;align-items:center;min-height:44px}
.note-grid.ln-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:0}
@media (max-width:900px){.note-grid.ln-grid{grid-template-columns:1fr}}

@media (max-width:760px){
  
  .topbar .wrap{justify-content:flex-start;gap:8px}   
  .topnav{margin-left:auto;gap:0}
  .topnav .btn{padding:12px 12px;font-size:10.5px;letter-spacing:.1em}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:44px;min-height:44px;padding:0 10px;
    background:none;border:1px solid var(--line);color:var(--ink);cursor:pointer;
    font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
  .mb-lines{display:inline-flex;flex-direction:column;gap:4px}
  .mb-lines i{display:block;width:18px;height:2px;background:var(--gold)}
  .wordmark{min-height:44px}
  
  #heroGl{opacity:.32}
  .hero .sub{font-size:15.5px;line-height:1.62;margin-bottom:24px}
  .hero-ctas{flex-direction:column;align-items:stretch;gap:10px}
  .hero-ctas .btn{text-align:center;padding:15px 18px}
  
  footer .wrap{row-gap:6px}
  footer a.f{display:inline-flex;align-items:center;min-height:44px}
  .note-article .k a,.chart-full a,.related a,.request-box a{display:inline-flex;align-items:center;min-height:44px}
  .notes-filters button{min-height:44px}
}
@media (max-width:400px){.mb-label{display:none}.menu-btn{padding:0}.wordmark .lockup{height:22px}}
@media (max-width:359px){.topnav .btn{display:none}}   


@media (max-width:600px){
  .note-grid{grid-template-columns:1fr;gap:10px}
  .note-card a{flex-direction:row;align-items:flex-start}
  .nc-img{flex:0 0 116px;width:116px;border-bottom:0;border-right:1px solid var(--line)}
  .nc-body{padding:9px 12px 8px;gap:4px;min-width:0}
  .nc-t{font-size:13.5px;line-height:1.4}
  .nc-foot{border-top:0;padding-top:2px}
  .notes-filters{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;margin-right:-28px;padding-right:28px}
  .notes-filters::-webkit-scrollbar{display:none}
  .notes-filters button{flex:0 0 auto;white-space:nowrap}
}
@media (max-width:600px){.latest-notes .sec-head .rule{display:none}.latest-notes .sec-head{justify-content:space-between}}

.prov .grid{grid-template-columns:repeat(6,minmax(0,1fr))}
@media (max-width:380px){.prov .grid{gap:4px}.prov .legend{gap:12px;flex-wrap:wrap}}