/* ============================================================
   Cognitive Margin — shared styles
   Signature: a literal "margin" — vertical ledger rule down the
   page with monospace annotations set into the left margin,
   like notes on an accounting workpaper.
   ============================================================ */
:root{
  --ink:#2a3c4a;        /* softened ink */
  --paper:#ece6da;      /* slightly darker warm paper */
  --paper-2:#e2dccd;    /* darker panel tone */
  --green:#2f8a64;      /* ledger green accent */
  --green-bright:#41a87c;
  --slate:#717d84;
  --rule:#cfc7b4;       /* rule tuned for the darker paper */
  --card:#f4efe5;       /* lighter fill so cards lift off the paper */
  --red:#c25048;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Newsreader',Georgia,serif;
  font-size:18px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
.mono{font-family:'JetBrains Mono',monospace}
.disp{font-family:'Space Grotesk',sans-serif}
a{color:inherit}

/* ---- layout + the margin ---- */
.wrap{max-width:1180px;margin:0 auto;padding:0 28px 0 0;position:relative}
.margin-col{position:relative;border-left:1px solid var(--rule);margin-left:170px;padding-left:48px}
.note{
  position:absolute;left:-170px;width:150px;
  font-family:'JetBrains Mono',monospace;font-size:11px;line-height:1.45;
  color:var(--slate);text-transform:uppercase;letter-spacing:.06em;
  text-align:right;padding-right:14px;
}
.note b{color:var(--green);font-weight:500}

/* ---- nav ---- */
nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 0;margin-left:170px;padding-left:48px;
  border-bottom:1px solid var(--rule);
}
.brand{font-family:'Space Grotesk';font-weight:700;font-size:18px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.glyph{width:30px;height:30px;display:inline-block;flex-shrink:0}
.glyph svg{display:block;width:100%;height:100%}
.glyph .gm-rule{stroke:var(--green)}
.glyph .gm-ink{fill:var(--ink)}
.glyph .gm-line{stroke:var(--ink)}
.navlinks{display:flex;gap:30px;font-family:'Space Grotesk';font-size:14px;font-weight:500}
.navlinks a{color:var(--ink);text-decoration:none;opacity:.75}
.navlinks a:hover,.navlinks a.active{opacity:1;color:var(--green)}
.navcta{font-family:'Space Grotesk';font-size:14px;font-weight:600;background:var(--ink);color:var(--paper);padding:9px 18px;text-decoration:none;border-radius:2px}
.navcta:hover{background:var(--green)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:38px;border:1px solid var(--rule);border-radius:2px;
  background:var(--card);cursor:pointer;flex-direction:column;gap:4px;
  padding:0;order:3;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink)}

/* ---- hero ---- */
.hero{padding:90px 0 76px}
.hero.short{padding:74px 0 40px}
.eyebrow{font-family:'JetBrains Mono';font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--green);margin-bottom:26px}
h1{font-family:'Space Grotesk';font-weight:600;font-size:clamp(38px,6vw,76px);line-height:1.02;letter-spacing:-.025em;max-width:13ch}
h1.tight{font-size:clamp(34px,5vw,60px);max-width:16ch}
h1 em{font-family:inherit;font-style:normal;font-weight:inherit;color:inherit}
.lede{font-size:21px;max-width:48ch;margin-top:30px;color:#46555f}
.herorow{display:flex;gap:18px;margin-top:38px;flex-wrap:wrap}
.btn{font-family:'Space Grotesk';font-weight:600;font-size:15px;text-decoration:none;padding:13px 26px;border-radius:2px;display:inline-block}
.btn-pri{background:var(--green);color:var(--paper)}
.btn-pri:hover{background:var(--ink)}
.btn-sec{border:1px solid var(--ink);color:var(--ink)}
.btn-sec:hover{background:var(--ink);color:var(--paper)}

/* ---- ledger stat strip ---- */
.ledger{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);margin:8px 0 0}
.ledger div{padding:24px 22px 22px;border-right:1px solid var(--rule)}
.ledger div:last-child{border-right:none}
.ledger .fig{font-family:'Space Grotesk';font-weight:700;font-size:30px;letter-spacing:-.02em}
.ledger .cap{font-family:'JetBrains Mono';font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--slate);margin-top:6px}

/* compact fact row — replaces the tall 4-cell ledger on the homepage */
.quickfacts{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 4px}
.quickfacts span{
  font-family:'Space Grotesk',sans-serif;font-size:14px;color:var(--ink);
  background:var(--card);border:1px solid var(--rule);border-radius:2px;
  padding:8px 14px;line-height:1.3;
}
.quickfacts b{font-weight:600}
.quickfacts b:first-child{color:var(--green)}

/* ---- sections ---- */
section{padding:70px 0}
section.tight{padding:48px 0}
.sechead{font-family:'JetBrains Mono';font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin-bottom:18px}
h2{font-family:'Space Grotesk';font-weight:600;font-size:clamp(28px,3.6vw,42px);letter-spacing:-.02em;line-height:1.08;max-width:18ch}
h3{font-family:'Space Grotesk';font-weight:600;font-size:23px;letter-spacing:-.01em;margin-bottom:10px}
.body-copy{font-size:19px;max-width:60ch;margin-top:22px;color:#46555f}
.body-copy p{margin-bottom:16px}
.body-copy strong{font-weight:500;color:var(--ink);font-family:inherit}

/* ---- split ledger (AI vs human) ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:44px;border:1px solid var(--ink)}
.col-head{font-family:'JetBrains Mono';font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:14px 22px;border-bottom:1px solid var(--ink)}
.col-ai .col-head{background:var(--paper-2);color:var(--ink)}
.col-hu .col-head{background:var(--green);color:var(--paper)}
.col-hu{border-left:1px solid var(--ink)}
.step{padding:22px;border-bottom:1px solid var(--rule)}
.step:last-child{border-bottom:none}
.step .n{font-family:'JetBrains Mono';font-size:12px;color:var(--green);margin-bottom:8px}
.col-hu .step .n{color:var(--ink)}
.step h4{font-family:'Space Grotesk';font-weight:600;font-size:18px;margin-bottom:5px}
.step p{font-size:15.5px;color:var(--slate);line-height:1.45}

/* ---- card grid ---- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px}
.card{border:1px solid var(--rule);padding:24px;background:var(--card)}
.card h4{font-family:'Space Grotesk';font-weight:600;font-size:19px;margin-bottom:8px}
.card p{font-size:15px;color:var(--slate);margin-bottom:14px}
.card .tag{font-family:'JetBrains Mono';font-size:11px;color:var(--green);text-transform:uppercase;letter-spacing:.06em}

/* ---- numbered timeline (real sequence) ---- */
.timeline{margin-top:44px;border-top:1px solid var(--rule)}
.tl{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--rule)}
.tl .num{font-family:'Space Grotesk';font-weight:700;font-size:34px;color:var(--green);line-height:1;letter-spacing:-.02em}
.tl .who{font-family:'JetBrains Mono';font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--slate);margin-top:8px}
.tl h4{font-family:'Space Grotesk';font-weight:600;font-size:20px;margin-bottom:7px}
.tl p{font-size:16px;color:#46555f;max-width:60ch}

/* ---- FAQ ---- */
.faq{margin-top:40px;border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{font-family:'Space Grotesk';font-weight:600;font-size:19px;padding:20px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-family:'JetBrains Mono';color:var(--green);font-size:22px;font-weight:400}
.faq details[open] summary:after{content:"–"}
.faq .ans{padding:0 0 22px;font-size:16.5px;color:#46555f;max-width:62ch;line-height:1.55}

/* ---- band ---- */
.band{background:var(--paper-2);color:var(--ink);margin-top:30px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.band .margin-col{border-left:1px solid var(--rule)}
.band .note{color:var(--slate)}
.band .note b{color:var(--green)}
.band-inner{padding:80px 0}

/* ---- inline form (no <form> in artifacts; plain controls) ---- */
.intake{margin-top:40px;max-width:560px}
.field{margin-bottom:18px}
.field label{font-family:'JetBrains Mono';font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--slate);display:block;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;font-family:'Newsreader',serif;font-size:16px;color:var(--ink);
  background:var(--card);border:1px solid var(--rule);border-radius:2px;padding:11px 13px;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--green);border-color:var(--green)}
.field textarea{min-height:110px;resize:vertical}

/* ---- footer ---- */
footer{padding:46px 0;border-top:1px solid var(--rule)}
.footrow{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:26px}
.footcol h5{font-family:'JetBrains Mono';font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--slate);margin-bottom:12px}
.footcol a{display:block;font-family:'Space Grotesk';font-size:14px;color:var(--ink);text-decoration:none;opacity:.8;margin-bottom:7px}
.footcol a:hover{color:var(--green);opacity:1}
.foot-brand{max-width:30ch}
.foot-brand p{font-size:14px;color:var(--slate);margin-top:10px;font-family:'Space Grotesk'}
.footnote{margin-top:34px;font-family:'JetBrains Mono';font-size:11px;color:var(--slate);letter-spacing:.04em}

/* ---- responsive ---- */

/* Large tablet / small laptop: shrink the margin gutter so the
   ledger annotations stay in the margin longer before stacking. */
@media(max-width:1080px){
  .margin-col{margin-left:128px;padding-left:36px}
  .note{left:-128px;width:114px;padding-right:12px}
}

/* Tablet: drop the margin column, reflow notes inline as labeled
   tabs, expose a tap target for nav. */
@media(max-width:820px){
  .wrap{padding:0 20px}
  .margin-col{margin-left:0;padding-left:18px;border-left:none}
  .note{position:static;width:auto;text-align:left;padding:0 0 12px 12px;border-left:2px solid var(--green);margin-bottom:14px;max-width:46ch}
  nav{margin-left:0;padding-left:18px;flex-wrap:wrap;gap:14px;position:relative;align-items:center}
  .brand{order:1;margin-right:auto}
  .nav-toggle{display:inline-flex;order:2}
  .navcta{order:3}
  .nav-toggle{display:inline-flex}
  .navlinks{
    display:none;flex-basis:100%;flex-direction:column;gap:0;order:4;
    border-top:1px solid var(--rule);margin-top:6px;
  }
  .navlinks.open{display:flex}
  .navlinks a{padding:13px 2px;border-bottom:1px solid var(--rule);opacity:.85;font-size:15px}
  .grid3{grid-template-columns:1fr 1fr}
  .grid2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .col-hu{border-left:none;border-top:1px solid var(--ink)}
  .tl{grid-template-columns:48px 1fr;gap:16px}
  section{padding:46px 0}
  section.tight{padding:34px 0}
  .hero{padding:52px 0 40px}
  .hero.short{padding:48px 0 28px}
  .band-inner{padding:52px 0}
}

/* Phone: collapse the ledger to a single column, ease type and
   padding, make CTAs full width so they're easy to tap. */
@media(max-width:560px){
  .wrap{padding:0 14px}
  .margin-col{padding-left:14px}
  .note{padding-left:10px;font-size:10px;margin-bottom:10px}
  .ledger{grid-template-columns:1fr}
  .ledger div{border-right:none;border-bottom:1px solid var(--rule);padding:18px 16px}
  .ledger div:last-child{border-bottom:none}
  .quickfacts{gap:8px}
  .quickfacts span{font-size:13px;padding:7px 11px}
  .grid3{grid-template-columns:1fr}
  .split{border-left:none;border-right:none}
  .herorow{gap:12px}
  .herorow .btn{flex:1 1 100%;text-align:center}
  .navcta{flex:1 1 100%;text-align:center}
  .footrow{flex-direction:column;gap:22px}
  .lede{font-size:18px}
  .body-copy{font-size:17px}
  .faq summary{font-size:17px}
  .intake{max-width:100%}
  section{padding:40px 0}
  section.tight{padding:30px 0}
  .hero{padding:40px 0 32px}
  .card{padding:18px}
  .card p{margin-bottom:10px}
  .grid3{gap:12px}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}