/* ============================================================
   Orqive AI — shared stylesheet
   Brand: steel-green on paper. Blueprint grammar: square corners,
   hairline rules, registration marks, a visible modular grid.
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --g:#346739;          /* brand green */
  --g-700:#2a5430;      /* pressed */
  --g-900:#152b18;      /* deep field */
  --bright:#A0D585;     /* on-dark accent */
  --ink:#1a1f1c;
  --paper:#f4f1ea;
  --paper-2:#efebe1;
  --dark:#0f1411;
  --muted:rgba(26,31,28,0.68);
  --muted-2:rgba(26,31,28,0.65);
  --rule:rgba(26,31,28,0.10);
  --rs:rgba(26,31,28,0.20);
  --rule-d:rgba(232,227,214,0.13);
  --muted-d:rgba(232,227,214,0.56);
  --w:1180px;
  --pad:clamp(20px,4vw,48px);
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
  --sans:'Geist',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}

html{-webkit-text-size-adjust:100%;scroll-padding-top:76px}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);
  font-size:16px;line-height:1.6;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}

.serif{font-family:var(--serif)}
.mono{font-family:var(--mono)}
img,svg{max-width:100%}

a{color:var(--g);text-decoration:none;text-underline-offset:3px}
a:hover{color:var(--g-700);text-decoration:underline}
:focus-visible{outline:2px solid var(--g);outline-offset:3px;border-radius:1px}

.w{width:100%;max-width:var(--w);margin:0 auto}
.sec{padding:clamp(56px,8vw,104px) var(--pad)}
.sec--tight{padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(40px,6vw,72px)}
.skip{position:absolute;left:-9999px;top:0;background:var(--g);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:12px;top:12px}

/* ---- labels & display type ---- */
.lbl{font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--g);display:block}
.lbl--muted{color:var(--muted-2)}
.lbl--onDark{color:var(--bright)}
.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--g);flex:none}

.d1{font-family:var(--serif);font-weight:400;font-size:clamp(38px,6.2vw,70px);
  line-height:1.02;letter-spacing:-.028em;text-wrap:balance}
.d2{font-family:var(--serif);font-weight:400;font-size:clamp(30px,4.2vw,48px);
  line-height:1.06;letter-spacing:-.022em;text-wrap:balance}
.d3{font-family:var(--serif);font-weight:400;font-size:clamp(24px,2.8vw,34px);
  line-height:1.12;letter-spacing:-.018em;text-wrap:balance}
.d1 em,.d2 em,.d3 em{font-style:italic;color:var(--g)}
.onDark .d1 em,.onDark .d2 em,.onDark .d3 em{color:var(--bright)}
.lead{font-size:clamp(16px,1.35vw,19px);color:var(--muted);line-height:1.62;
  max-width:60ch;text-wrap:pretty}

/* ---- blueprint frame + registration marks ---- */
.bp{position:relative;border:1px solid var(--rs);background:transparent}
.bp>.cm{position:absolute;width:9px;height:9px;pointer-events:none;opacity:.5}
.bp>.cm::before,.bp>.cm::after{content:"";position:absolute;background:var(--g)}
.bp>.cm::before{left:0;right:0;top:4px;height:1px}
.bp>.cm::after{top:0;bottom:0;left:4px;width:1px}
.bp>.tl{left:-5px;top:-5px}.bp>.tr{right:-5px;top:-5px}
.bp>.bl{left:-5px;bottom:-5px}.bp>.br{right:-5px;bottom:-5px}
.onDark .bp,.bp.onDark{border-color:var(--rule-d)}
.onDark .bp>.cm::before,.onDark .bp>.cm::after{background:var(--bright)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);
  font-size:15px;font-weight:500;line-height:1;padding:15px 24px;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:background .16s,color .16s,border-color .16s;
  position:relative;min-height:48px}
.btn:hover{text-decoration:none}
.btn-p{background:var(--g);color:#fff;border-color:var(--g)}
.btn-p:hover{background:var(--g-700);border-color:var(--g-700);color:#fff}
.btn-p:active{background:var(--g-900)}
.btn-o{background:transparent;color:var(--g);border-color:var(--rs)}
.btn-o:hover{border-color:var(--g);background:rgba(52,103,57,.07);color:var(--g)}
.btn-bright{background:var(--bright);color:var(--dark);border-color:var(--bright)}
.btn-bright:hover{background:#b6e39c;color:var(--dark)}
.btn-ghostD{background:transparent;color:var(--paper);border-color:var(--rule-d)}
.btn-ghostD:hover{border-color:var(--bright);color:var(--bright)}
.btn .ar{font-family:var(--mono);font-size:14px}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:100;background:rgba(244,241,234,.9);
  backdrop-filter:blur(12px) saturate(1.4);border-bottom:1px solid var(--rule)}
.nav-in{max-width:var(--w);margin:0 auto;padding:0 var(--pad);height:66px;
  display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:baseline;gap:9px;text-decoration:none;color:var(--ink);flex:none}
.brand:hover{text-decoration:none;color:var(--ink)}
.brand svg{align-self:center}
.brand-n{font-size:18px;font-weight:500;letter-spacing:-.02em}
.brand-ai{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--g);
  text-transform:uppercase}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--muted);padding:8px 12px;text-decoration:none;white-space:nowrap;
  border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink);border-color:var(--g);
  text-decoration:none}
.nav-cta{flex:none;font-size:14px;padding:11px 18px;min-height:42px}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--rs);
  background:transparent;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{display:block;width:18px;height:1px;background:var(--ink)}
.drawer{display:none}

@media(max-width:1080px){
  .nav-links{display:none}
  .nav .nav-cta{display:none}
  .burger{display:flex}
  .drawer{display:block;position:fixed;inset:66px 0 auto 0;z-index:99;background:var(--paper);
    border-bottom:1px solid var(--rs);padding:8px var(--pad) 24px;
    transform:translateY(-8px);opacity:0;visibility:hidden;transition:.2s}
  .drawer[data-open="true"]{transform:none;opacity:1;visibility:visible}
  .drawer a{display:block;padding:15px 0;font-size:17px;color:var(--ink);
    border-bottom:1px solid var(--rule);text-decoration:none}
  .drawer .btn{width:100%;justify-content:center;margin-top:18px}
}

/* ---- answer box (AEO): the direct, quotable answer ---- */
.answer{border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);
  padding:26px 0 28px;display:grid;grid-template-columns:170px minmax(0,1fr);
  gap:clamp(16px,3vw,44px)}
.answer p{font-size:clamp(16px,1.5vw,20px);line-height:1.55;max-width:66ch;text-wrap:pretty}
.answer p+p{margin-top:12px;font-size:15px;color:var(--muted)}
.answer strong{font-weight:500}
@media(max-width:720px){.answer{grid-template-columns:1fr;gap:14px}}

/* ---- spec grid (numbered plates) ---- */
.plates{display:grid;gap:1px;background:var(--rs);border:1px solid var(--rs)}
.plates--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.plates--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.plate{background:var(--paper);padding:clamp(22px,2.4vw,30px)}
.plate .pn{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--g);
  margin-bottom:16px;display:block}
.plate h3{font-family:var(--serif);font-weight:400;font-size:21px;line-height:1.2;
  letter-spacing:-.01em;margin-bottom:9px}
.plate p{font-size:14px;color:var(--muted);line-height:1.65}
.onDark .plates{background:var(--rule-d);border-color:var(--rule-d)}
.onDark .plate{background:var(--dark)}
.onDark .plate p{color:var(--muted-d)}
.onDark .plate .pn{color:var(--bright)}
@media(max-width:880px){.plates--3,.plates--4{grid-template-columns:1fr}}

/* ---- tags ---- */
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--rs);padding:7px 11px;color:var(--ink);white-space:nowrap}
.onDark .tag{border-color:rgba(160,213,133,.28);color:var(--bright)}

/* ---- dark / green fields ---- */
.field-dark{background:var(--dark);color:var(--paper)}
.field-green{background:var(--g-900);color:var(--paper)}
.onDark .lead,.onDark p{color:var(--muted-d)}
.onDark h1,.onDark h2,.onDark h3,.onDark h4{color:var(--paper)}

/* ---- FAQ accordion ---- */
.faq-list{border-top:1px solid var(--rs)}
.faq-list details{border-bottom:1px solid var(--rule)}
.faq-list summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-size:clamp(16px,1.3vw,18px);font-weight:500;line-height:1.4}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--g)}
.faq-list summary::after{content:"";position:absolute;right:8px;top:calc(50% - 1px);
  width:13px;height:1px;background:var(--g)}
.faq-list summary::before{content:"";position:absolute;right:14px;top:calc(50% - 7px);
  width:1px;height:13px;background:var(--g);transition:transform .2s}
.faq-list details[open] summary::before{transform:rotate(90deg)}
.faq-list .fa{padding:0 clamp(0px,4vw,64px) 24px 0}
.faq-list .fa p{font-size:16px;color:var(--muted);line-height:1.7;max-width:76ch;text-wrap:pretty}
.faq-list .fa p+p{margin-top:12px}

/* ---- prose (content pages) ---- */
.prose{max-width:74ch}
.prose h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,3vw,36px);
  line-height:1.1;letter-spacing:-.02em;margin:56px 0 14px}
.prose h3{font-size:18px;font-weight:500;margin:34px 0 8px;line-height:1.3}
.prose p{font-size:17px;line-height:1.72;color:rgba(26,31,28,.82);margin-bottom:16px;text-wrap:pretty}
.prose ul,.prose ol{margin:0 0 18px 20px}
.prose li{font-size:17px;line-height:1.7;color:rgba(26,31,28,.82);margin-bottom:9px}
.prose li::marker{color:var(--g)}
.prose strong{font-weight:600}
.prose>:first-child{margin-top:0}

/* ---- comparison table ---- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--rs)}
table.cmp{width:100%;border-collapse:collapse;min-width:640px;background:transparent}
table.cmp th,table.cmp td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--rule);
  font-size:15px;line-height:1.55;vertical-align:top}
table.cmp thead th{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--g);border-bottom:1px solid var(--rs);background:rgba(52,103,57,.05);white-space:nowrap}
table.cmp tbody th{font-weight:500;width:24%;color:var(--ink)}
table.cmp td{color:var(--muted)}
table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:none}

/* ---- glossary ---- */
.gloss{border-top:1px solid var(--rs)}
.gloss dt{font-size:19px;font-weight:500;padding-top:26px;letter-spacing:-.01em}
.gloss dd{padding:6px 0 26px;border-bottom:1px solid var(--rule);font-size:16px;
  color:var(--muted);line-height:1.7;max-width:76ch;text-wrap:pretty}
.gloss dd .also{display:block;margin-top:8px;font-family:var(--mono);font-size:11px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--g)}

/* ---- breadcrumbs ---- */
.crumbs{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted-2);display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.crumbs a{color:var(--muted-2);text-decoration:none}
.crumbs a:hover{color:var(--g)}

/* ---- next-reads ---- */
.reads{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.reads a{display:block;padding:24px;border:1px solid var(--rs);text-decoration:none;color:var(--ink);
  transition:border-color .16s,background .16s}
.reads a:hover{border-color:var(--g);background:rgba(52,103,57,.05);text-decoration:none}
.reads .rk{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--g);display:block;margin-bottom:12px}
.reads strong{display:block;font-family:var(--serif);font-weight:400;font-size:20px;line-height:1.2;
  margin-bottom:7px;letter-spacing:-.01em}
.reads span.rd{font-size:13.5px;color:var(--muted);line-height:1.6}
@media(max-width:880px){.reads{grid-template-columns:1fr}}

/* ---- footer ---- */
.foot{border-top:1px solid var(--rs);padding:clamp(40px,5vw,60px) var(--pad) 32px}
.foot-in{max-width:var(--w);margin:0 auto}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,minmax(0,1fr));
  gap:clamp(24px,4vw,48px);padding-bottom:36px}
.foot h4{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-2);font-weight:400;margin-bottom:14px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot li a{font-size:14px;color:var(--muted);text-decoration:none}
.foot li a:hover{color:var(--g)}
.foot-blurb{font-size:14px;color:var(--muted);line-height:1.65;max-width:34ch;margin-top:14px}
.foot-base{border-top:1px solid var(--rule);padding-top:20px;display:flex;
  justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted-2);text-transform:uppercase}
@media(max-width:880px){.foot-grid{grid-template-columns:1fr 1fr}}

/* ---- responsive grids ---- */
.g-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:clamp(32px,5vw,72px);align-items:center}
.g-split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,6vw,80px);align-items:start}
.g-faq{display:grid;grid-template-columns:minmax(0,.6fr) minmax(0,1.4fr);gap:clamp(28px,5vw,72px);align-items:start}
.g-side{display:grid;grid-template-columns:200px minmax(0,1fr);gap:clamp(16px,3vw,44px);align-items:start}
.g-tierhead{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:start;margin-bottom:24px}
.g-stats{margin-top:44px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:var(--rs);border-top:1px solid var(--rs);border-bottom:1px solid var(--rs)}
.g-stats>div{background:var(--paper);padding:18px 20px}
.g-stats>div:first-child{padding-left:0}
.g-stats .n{font-family:var(--serif);font-size:clamp(26px,3vw,32px);color:var(--g);line-height:1}
.g-stats .t{font-size:13px;color:var(--muted);margin-top:5px;line-height:1.45}
@media(max-width:980px){
  .g-hero{grid-template-columns:1fr;gap:36px}
  .g-hero>div:last-child{order:-1}
  .g-split,.g-faq{grid-template-columns:1fr;gap:32px}
}
@media(max-width:720px){
  .g-side{grid-template-columns:1fr;gap:14px}
  .g-tierhead{grid-template-columns:1fr;gap:10px}
  .g-tierhead>span:last-child{text-align:left!important;max-width:none!important}
  .g-stats{grid-template-columns:1fr;gap:0;background:transparent}
  .g-stats>div{padding:16px 0;border-bottom:1px solid var(--rule)}
  .g-stats>div:last-child{border-bottom:none}
}

/* ---- motion ---- */
/* Reveal-on-scroll: visible by DEFAULT. Only the script opts the document
   in (html.js-rv), so any failure or delay leaves content simply visible. */
.rv{opacity:1;transform:none}
.js-rv .rv{opacity:0;transform:translateY(14px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.js-rv .rv.in{opacity:1;transform:none}
@keyframes pulseDot{0%,100%{opacity:.22}50%{opacity:1}}
.pd0{animation:pulseDot 2.1s ease-in-out infinite}
.pd1{animation:pulseDot 2.1s ease-in-out .35s infinite}
.pd2{animation:pulseDot 2.1s ease-in-out .7s infinite}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv,.js-rv .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}