/* Landform Research — public site
   Built on the brand kit: white ground, ink black, data in mono,
   a single blue accent, sharp corners, no decoration. */

:root{
  --paper:#ffffff;
  --wash:#f6f6f4;
  --bone:#ededea;
  --ink:#0c0c0d;
  --ink-70:#38383b;
  --grey:#6a6a6e;
  --faint:#a2a2a6;
  --hair:rgba(12,12,13,0.14);
  --hair-soft:rgba(12,12,13,0.08);
  --accent:#2b5cff;
  --accent-soft:#8fb0ff;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,monospace;
  --maxw:1480px;
  --pad:56px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;}
/* scale the desktop UI down a touch; keep full size on tablet/mobile so it fills the screen */
@media(min-width:901px){html{zoom:0.8;}}
body{
  margin:0;
  overflow-x:clip;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}

/* shared bits ------------------------------------------------ */
.mono{
  font-family:var(--mono);
  font-weight:500;
  font-size:11px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--faint);
}
.mono.ink{color:var(--ink);font-weight:600;}
.sq{width:13px;height:13px;background:var(--ink);flex:0 0 13px;}
.sq.accent{background:var(--accent);}

/* nav -------------------------------------------------------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,0.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--hair-soft);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:18px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.mark{display:flex;align-items:center;gap:11px;}
.mark .sq{width:20px;height:20px;flex:0 0 20px;background:var(--ink);-webkit-mask:url("/favicon.svg") center/contain no-repeat;mask:url("/favicon.svg") center/contain no-repeat;}
.mark .wm{font-weight:700;font-size:18px;letter-spacing:-0.02em;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-toggle{display:none;border:0;background:transparent;padding:0;cursor:pointer;}
.nav-links a{
  position:relative;
  font-family:var(--mono);font-size:12px;letter-spacing:0.1em;
  text-transform:uppercase;color:var(--grey);
  padding:6px 1px;
  transition:color .15s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a[aria-current="page"]{color:var(--ink);}
.nav-links a[aria-current="page"]::after{transform:scaleX(1);}
.nav-links .nav-profile{padding-left:22px;border-left:1px solid var(--hair-soft);}
.nav-links .nav-profile::after{left:22px;}

/* masthead --------------------------------------------------- */
.mast{padding:78px var(--pad) 64px;border-bottom:1px solid var(--hair);}
.mast .kick{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:0.16em;
  text-transform:uppercase;color:var(--ink);
}
.mast .kick::before{content:"";width:6px;height:6px;background:var(--accent);}
.mast h1{
  margin:30px 0 0;font-weight:900;
  font-size:clamp(30px,8vw,104px);letter-spacing:-0.02em;line-height:1.05;overflow-wrap:break-word;
  max-width:none;
}
.mast .lede{
  margin:30px 0 0;max-width:74ch;
  font-size:clamp(16px,1.7vw,19px);color:var(--grey);line-height:1.6;
}
.mast .lede b{color:var(--ink);font-weight:600;}
.mast-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;
}
.mast-meta span{
  font-family:var(--mono);font-size:11px;letter-spacing:0.08em;
  text-transform:uppercase;color:var(--ink-70);
  border:1px solid var(--hair);padding:8px 13px;
}
.mast-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.action{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  border:1px solid var(--hair);
  padding:12px 16px;
  font-family:var(--mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--ink);
}
.action.primary{background:var(--ink);border-color:var(--ink);color:#fff;}
.action:hover{border-color:var(--ink);}
.action.primary:hover{background:var(--accent);border-color:var(--accent);}

/* about matt ------------------------------------------------- */
.about-matt{border-bottom:1px solid var(--hair);}
.about-matt .sh{padding-top:62px;}
.about-grid{
  display:grid;
  grid-template-columns:420px minmax(0,1fr);
  gap:44px;
  align-items:start;
  padding-bottom:70px;
}
.about-copy{order:2;}
.about-panel{order:1;}
.about-copy h2{
  margin:0;
  max-width:none;
  font-size:52px;
  font-weight:900;
  line-height:1.08;
  letter-spacing:0;
  text-wrap:balance;
}
.about-paras{
  margin-top:28px;
  display:flex;
  flex-direction:column;
  gap:15px;
  max-width:none;
}
.about-paras p{
  margin:0;
  color:var(--ink-70);
  font-size:17px;
  line-height:1.65;
}
.about-email{
  display:inline-flex;
  align-items:center;
  margin-top:28px;
  color:var(--accent);
  font-family:var(--mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:0.1em;
  text-transform:uppercase;
}
.about-email:hover{color:var(--ink);}
.about-panel{
  border:1px solid var(--hair);
  background:var(--wash);
}
.about-media{
  background:var(--bone);
  aspect-ratio:4/3;
  overflow:hidden;
}
.about-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.about-facts{
  display:flex;
  flex-direction:column;
  background:var(--paper);
}
.about-facts div{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:18px;
  padding:17px 19px;
  border-bottom:1px solid var(--hair-soft);
}
.about-facts div:last-child{border-bottom:0;}
.about-facts span{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--faint);
}
.about-facts strong{
  color:var(--ink);
  font-size:14px;
  font-weight:650;
  line-height:1.35;
}

/* section header --------------------------------------------- */
.sh{
  display:flex;align-items:baseline;gap:18px;
  padding:72px 0 26px;
}
.sh .num{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:0.12em;color:var(--ink);}
.sh .nm{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:0.16em;text-transform:uppercase;color:var(--ink);}
.sh .subs{font-family:var(--mono);font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--faint);margin-left:auto;}
.sh h2{
  margin:0;font-weight:800;font-size:clamp(26px,3.2vw,40px);
  letter-spacing:-0.02em;line-height:1.1;
}
.section-title{
  margin:0 0 18px;max-width:none;
  font-weight:900;font-size:clamp(30px,4.4vw,54px);
  letter-spacing:-0.02em;line-height:1.08;
}
.section-lede{
  margin:0 0 30px;max-width:90ch;
  font-size:clamp(15px,1.5vw,17px);color:var(--grey);line-height:1.6;
}

/* contrast bands: full-bleed section backgrounds ------------- */
.band-wash,.band-ink{box-shadow:0 0 0 100vmax var(--bone);clip-path:inset(0 -100vmax);}
.band-wash{background:var(--bone);border-bottom:none;}
.band-wash .case-card{border-color:transparent;}
.band-wash a.case-card:hover{border-color:var(--ink);}
.band-ink{background:var(--ink);box-shadow:0 0 0 100vmax var(--ink);border-bottom:none;}
.band-ink .sh .num,.band-ink .sh .nm{color:#fff;}
.band-ink .sh .subs{color:rgba(255,255,255,0.4);}
.band-ink .section-title{color:#fff;}
.band-ink .question-card{background:transparent;border-color:rgba(255,255,255,0.22);}
.band-ink .question-card:hover{border-color:var(--accent-soft);}
.band-ink .question-card h3{color:#fff;}
.band-ink .question-card p{color:rgba(255,255,255,0.62);}
.band-ink .question-card span{color:var(--accent-soft);}
.band-ink .text-cta{color:var(--accent-soft);}
.band-ink .text-cta:hover{color:#fff;}
.sh-stack{display:flex;flex-direction:column;gap:14px;padding:72px 0 26px;}
.sh-stack .row{display:flex;align-items:baseline;gap:18px;}
.sh-stack h2{margin:0;font-weight:800;font-size:clamp(26px,3.2vw,40px);letter-spacing:-0.02em;line-height:1.1;}

/* projects grid ---------------------------------------------- */
.projects{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.card{
  border:1px solid var(--hair);background:var(--paper);
  display:flex;flex-direction:column;
  transition:border-color .15s ease, transform .15s ease;
}
a.card:hover{border-color:var(--ink);transform:translateY(-2px);}
.card .body{padding:28px;display:flex;flex-direction:column;flex:1;}
.card .top{display:flex;justify-content:space-between;align-items:center;}
.card .eye{font-family:var(--mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;color:var(--faint);}
.card h3{margin:auto 0 0;padding-top:22px;font-weight:800;font-size:clamp(21px,2.3vw,28px);letter-spacing:-0.018em;line-height:1.14;}
.card p{margin:13px 0 0;font-size:14.5px;line-height:1.55;color:var(--grey);}
.card .foot{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:22px;font-family:var(--mono);font-size:10px;
  letter-spacing:0.1em;text-transform:uppercase;color:var(--faint);
}
.card .cta{color:var(--accent);}

/* feature card with image */
.card.feature{grid-column:span 2;flex-direction:row;}
.card.feature .media{
  flex:1 1 50%;min-height:340px;background:var(--bone);position:relative;overflow:hidden;
}
.card.feature .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.card.feature .body{flex:1 1 50%;justify-content:space-between;padding:36px;}
.card.feature h3{padding-top:0;font-size:clamp(26px,3vw,38px);}
.card.feature .lead-mid{margin-top:24px;}

/* dark card */
.card.dark{background:var(--ink);border-color:var(--ink);}
.card.dark .eye{color:rgba(255,255,255,0.45);}
.card.dark .sq{background:var(--accent);}
.card.dark h3{color:#fff;}
.card.dark p{color:rgba(255,255,255,0.64);}
.card.dark .foot{color:rgba(255,255,255,0.5);}
.card.dark .cta{color:var(--accent-soft);}
a.card.dark:hover{border-color:var(--accent);}

/* stub card */
.card.stub{background:var(--wash);border-style:dashed;}
.card.stub h3{color:var(--ink-70);}

/* market poc ------------------------------------------------- */
.market-poc{border-bottom:1px solid var(--hair);padding-bottom:74px;}
.poc-feature{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(360px,520px);
  gap:18px;
}
.poc-copy{
  border:1px solid var(--hair);
  background:var(--wash);
  padding:34px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.poc-copy h2{
  margin:18px 0 0;
  max-width:16ch;
  font-size:clamp(32px,4.8vw,58px);
  font-weight:900;
  letter-spacing:-.045em;
  line-height:.98;
}
.poc-copy p{
  margin:22px 0 0;
  max-width:66ch;
  color:var(--ink-70);
  font-size:16.5px;
  line-height:1.62;
}
.poc-actions{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;}
.text-cta{
  font-family:var(--mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--accent);
}
.text-cta.muted{color:var(--grey);}
.text-cta:hover{color:var(--ink);}
.poc-panel{border:1px solid var(--hair);background:var(--paper);}
.poc-panel div{padding:22px;border-bottom:1px solid var(--hair-soft);}
.poc-panel div:last-child{border-bottom:0;}
.poc-panel span{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--faint);
}
.poc-panel strong{
  display:block;
  margin-top:9px;
  font-size:24px;
  font-weight:850;
  letter-spacing:-.035em;
  line-height:1.03;
}
.poc-panel p{margin:9px 0 0;color:var(--grey);font-size:14.5px;line-height:1.5;}

/* case studies ------------------------------------------------ */
.case-studies{border-bottom:1px solid var(--hair);padding-bottom:74px;}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.case-card{
  border:1px solid var(--hair);
  background:var(--paper);
  color:inherit;
  display:flex;
  flex-direction:column;
  overflow:hidden;
  min-width:0;
  transition:border-color .15s ease, transform .15s ease;
}
a.case-card:hover{border-color:var(--ink);transform:translateY(-2px);}
.case-feature{
  grid-column:span 3;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);
}
.case-media{
  background:var(--bone);
  border-bottom:1px solid var(--hair);
  aspect-ratio:16/10;
  overflow:hidden;
}
.case-feature .case-media{border-bottom:0;border-right:1px solid var(--hair);aspect-ratio:auto;min-height:390px;}
.case-media.light{background:var(--wash);}
.case-media img{width:100%;height:100%;object-fit:cover;}
.case-media.light img{object-fit:contain;padding:22px;}
.case-media.schematic{background:var(--ink);border-bottom:1px solid var(--hair);display:flex;align-items:center;justify-content:flex-start;padding:24px 26px;aspect-ratio:16/10;}
.case-media.schematic pre{margin:0;font-family:var(--mono);font-size:12px;line-height:1.85;color:var(--accent-soft);white-space:pre;letter-spacing:0.01em;}
.case-copy{padding:24px;display:flex;flex-direction:column;gap:16px;flex:1;}
.case-feature .case-copy{padding:34px;justify-content:center;}
.case-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  color:var(--faint);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:0.12em;
  text-transform:uppercase;
}
.case-card h3{
  margin:0;
  font-weight:850;
  font-size:clamp(22px,2.5vw,31px);
  letter-spacing:-0.02em;
  line-height:1.12;
}
.case-feature h3{font-size:clamp(30px,4vw,48px);max-width:14ch;}
.case-card p{
  margin:0;
  color:var(--grey);
  font-size:14.5px;
  line-height:1.58;
}
.case-feature p{font-size:16px;max-width:62ch;}
.case-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}
.case-cta{font-family:var(--mono);font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--accent);}
a.case-card:hover .case-cta{color:var(--ink);}
.case-points span{
  border:1px solid var(--hair);
  color:var(--ink-70);
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:7px 9px;
}

/* prototype lab ---------------------------------------------- */
.prototype-lab{border-bottom:1px solid var(--hair);padding-bottom:74px;}
.prototype-lab .projects > .card:last-child{grid-column:1 / -1;}

/* research list ---------------------------------------------- */
.rlist{border-top:1px solid var(--hair);}
.ritem{
  display:grid;grid-template-columns:120px 1fr auto;gap:28px;align-items:baseline;
  padding:26px 0;border-bottom:1px solid var(--hair-soft);
  transition:padding-left .15s ease;
}
a.ritem:hover{padding-left:8px;}
.ritem .meta{font-family:var(--mono);font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--faint);}
.ritem .main h3{margin:0;font-weight:700;font-size:clamp(19px,2vw,24px);letter-spacing:-0.02em;line-height:1.15;}
.ritem .main p{margin:9px 0 0;font-size:14.5px;color:var(--grey);max-width:64ch;line-height:1.55;}
.ritem .go{font-family:var(--mono);font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--faint);}
a.ritem:hover .go{color:var(--accent);}
.ritem .status{
  font-family:var(--mono);font-size:10px;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--ink-70);border:1px solid var(--hair);padding:5px 10px;white-space:nowrap;
}

/* research questions ----------------------------------------- */
.research-questions{padding-bottom:74px;}
.question-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.question-card{
  border:1px solid var(--hair);
  background:var(--paper);
  padding:28px;
  min-height:250px;
  display:flex;
  flex-direction:column;
  transition:border-color .15s ease,transform .15s ease;
}
.question-card:hover{border-color:var(--ink);transform:translateY(-2px);}
.question-card span{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent);
}
.question-card h3{
  margin:auto 0 0;
  padding-top:28px;
  max-width:17ch;
  font-size:clamp(24px,3vw,36px);
  font-weight:850;
  letter-spacing:-.04em;
  line-height:1.02;
}
.question-card p{margin:14px 0 0;color:var(--grey);font-size:14.5px;line-height:1.55;}
.research-strip{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  margin-top:18px;
  border:1px solid var(--hair);
  background:var(--wash);
  padding:22px 24px;
}
.research-strip p{margin:0;max-width:68ch;color:var(--ink-70);font-size:15px;line-height:1.55;}
.research-strip a{
  flex-shrink:0;
  font-family:var(--mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--accent);
}
.research-strip a:hover{color:var(--ink);}

/* approach / stance ------------------------------------------ */
.stance{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.stance .blk{border:1px solid var(--hair);padding:30px;}
.stance .blk .cap{
  font-family:var(--mono);font-size:10px;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--accent);margin-bottom:16px;display:flex;gap:9px;align-items:center;
}
.stance .blk .cap::before{content:"";width:6px;height:6px;background:var(--accent);}
.stance .blk h3{margin:0;font-weight:700;font-size:20px;letter-spacing:-0.02em;}
.stance .blk p{margin:11px 0 0;font-size:14.5px;color:var(--grey);line-height:1.6;}

/* footer ----------------------------------------------------- */
.footer{margin-top:-1px;background:var(--ink);color:#fff;}
.footer-inner{
  max-width:var(--maxw);margin:0 auto;padding:56px var(--pad) 64px;
  display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;
}
.footer .big-wm{font-weight:900;font-size:clamp(34px,5vw,64px);letter-spacing:-0.025em;line-height:1.0;}
.footer .tag{margin-top:12px;font-size:15px;color:rgba(255,255,255,0.55);}
.footer .right{text-align:right;display:flex;flex-direction:column;gap:8px;}
.footer .right a,.footer .right span{
  font-family:var(--mono);font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:rgba(255,255,255,0.5);
}
.footer .right a:hover{color:var(--accent-soft);}

/* ============================================================ */
/* POST PAGE                                                    */
/* ============================================================ */
/* contained live app card at the top of an experiment post */
.app-hero{max-width:var(--maxw);margin:8px auto 0;padding:0 var(--pad);}
.app-frame{position:relative;width:100%;height:clamp(600px,76vh,800px);border:1px solid var(--hair);background:var(--wash);overflow:hidden;}
.app-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;}
.app-hero-bar{margin:0;padding:12px 1px 0;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;}
/* small-screen notice for the interactive tools — they need a desktop, so show this only on phones */
.app-mobile-note{display:none;}
@media(max-width:768px){
  .app-mobile-note{
    display:block;margin:0 0 14px;padding:14px 16px;
    border:1px solid var(--hair);background:var(--wash);
    font-size:14px;line-height:1.55;color:var(--ink-70);
  }
  .app-mobile-note b{color:var(--ink);font-weight:700;}
  .app-frame,.app-hero-bar{display:none;}
}

/* title + intro block above the app, aligned to the nav width */
.post-lead{max-width:var(--maxw);margin:0 auto;padding:52px var(--pad) 40px;}

.post-shell{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);}
.post-header{padding:56px 0 0;}
.post-labels{display:flex;flex-wrap:wrap;gap:10px;}
.post-labels span{
  font-family:var(--mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--ink-70);border:1px solid var(--hair);padding:7px 12px;
}
.post-header h1,.post-lead h1{
  margin:26px 0 0;font-weight:900;font-size:clamp(34px,5.4vw,64px);
  letter-spacing:-0.02em;line-height:1.06;max-width:18ch;
}
.post-header .lede,.post-lead .lede{margin:22px 0 0;font-size:clamp(17px,1.9vw,21px);color:var(--grey);line-height:1.55;max-width:70ch;}

.post-hero{margin:48px 0 0;}
.post-hero img{width:100%;border:1px solid var(--hair);}
.post-hero figcaption{margin-top:12px;font-family:var(--mono);font-size:11px;letter-spacing:0.04em;color:var(--faint);line-height:1.5;}

/* live embedded prototype */
.post-embed{margin:48px 0 0;}
.embed-frame{
  position:relative;width:100%;aspect-ratio:16/10;
  border:1px solid var(--hair);background:var(--wash);overflow:hidden;
}
.embed-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.embed-frame.embed-tall{aspect-ratio:auto;height:min(78vh,720px);}

/* full-bleed embed: break out of the text column to the full viewport width */
.post-embed.full{width:100vw;max-width:none;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);}
.post-embed.full .embed-frame{border-left:0;border-right:0;height:min(86vh,900px);}
.post-embed.full figcaption{max-width:760px;margin-left:auto;margin-right:auto;padding:12px 24px 0;}
.post-embed figcaption{margin-top:12px;font-family:var(--mono);font-size:11px;letter-spacing:0.04em;color:var(--faint);line-height:1.6;}
.embed-note{color:var(--accent);}
/* let the prototype breathe wider than the text column on big screens */
@media(min-width:1100px){
  .post-embed{width:min(1040px,92vw);margin-left:calc((820px - min(1040px,92vw)) / 2);}
}

.post-body{padding:52px 0 24px;}
.post-body section{padding:40px 0;border-bottom:1px solid var(--hair-soft);}
.post-body section:last-child{border-bottom:none;}
.post-body .eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--ink);
  margin-bottom:14px;
}
.post-body .eyebrow::before{content:"";width:6px;height:6px;background:var(--accent);}
.post-body p{margin:0;font-size:17px;line-height:1.65;color:var(--ink-70);max-width:76ch;}
.post-body p + p{margin-top:16px;}

/* essay layout: numbered margin rail + a single reading column */
.post-body.essay{padding-top:44px;}
.post-body.essay section{
  display:grid;
  grid-template-columns:200px minmax(0,66ch);
  justify-content:center;
  column-gap:48px;
  align-items:start;
  padding:48px 0;
}
.post-body.essay .eyebrow{grid-column:1;position:sticky;top:88px;align-self:start;margin:0;}
.post-body.essay section > *:not(.eyebrow){grid-column:2;}
.post-body.essay section > .tablewrap,
.post-body.essay section > .notegrid{grid-column:1 / -1;max-width:none;}
@media (max-width:880px){
  .post-body.essay section{grid-template-columns:1fr;justify-content:stretch;column-gap:0;padding:38px 0;}
  .post-body.essay .eyebrow{position:static;margin-bottom:14px;}
  .post-body.essay section > *:not(.eyebrow),
  .post-body.essay section > .tablewrap,
  .post-body.essay section > .notegrid{grid-column:1;}
}

.post-back{
  display:inline-flex;align-items:center;gap:8px;margin:8px 0 56px;
  font-family:var(--mono);font-size:11px;letter-spacing:0.1em;text-transform:uppercase;color:var(--grey);
}
.post-back:hover{color:var(--accent);}

/* case study pages -------------------------------------------- */
.case-hero{max-width:var(--maxw);margin:12px auto 0;padding:0 var(--pad);}
.case-hero figure{margin:0;border:1px solid var(--hair);background:var(--wash);overflow:hidden;}
.case-hero img{width:100%;height:auto;display:block;}
.schematic-hero{max-width:var(--maxw);margin:12px auto 0;padding:0 var(--pad);}
.schematic-hero pre{margin:0;border:1px solid var(--hair);background:var(--ink);color:var(--accent-soft);font-family:var(--mono);font-size:clamp(11px,1.45vw,13.5px);line-height:1.8;padding:32px 30px;overflow-x:auto;white-space:pre;}
.shots{
  max-width:var(--maxw);margin:0 auto;padding:36px var(--pad) 0;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;align-items:start;
}
.shots .shot{margin:0;border:1px solid var(--hair);background:var(--wash);overflow:hidden;display:flex;flex-direction:column;}
.shots .shot img,.shots .shot video{width:100%;height:auto;display:block;background:var(--wash);}
.shots .shot figcaption{padding:15px 17px;border-top:1px solid var(--hair);}
.shots .shot figcaption b{display:block;font-family:var(--mono);font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--accent);margin-bottom:7px;}
.shots .shot figcaption strong{display:block;font-size:15px;font-weight:700;letter-spacing:-0.01em;color:var(--ink);line-height:1.28;margin-bottom:6px;}
.shots .shot figcaption span{font-size:13px;line-height:1.5;color:var(--grey);}
.post-body .pull{
  font-size:clamp(19px,2.1vw,24px);font-weight:600;letter-spacing:-0.02em;line-height:1.34;
  color:var(--ink);max-width:34ch;border-left:2px solid var(--accent);padding-left:20px;margin:8px 0;
}
.post-body ul:not(.refs){margin:16px 0 0;padding:0;list-style:none;max-width:76ch;}
.post-body ul:not(.refs) li{position:relative;padding:0 0 0 22px;margin:0 0 11px;font-size:16px;line-height:1.55;color:var(--ink-70);}
.post-body ul:not(.refs) li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:var(--accent);}
.post-body ul:not(.refs) li strong{color:var(--ink);font-weight:700;}
.chips{display:flex;flex-wrap:wrap;gap:9px;}
.chip{font-family:var(--mono);font-size:11px;letter-spacing:0.04em;color:var(--ink-70);border:1px solid var(--hair);padding:7px 12px;}
@media (max-width:880px){
  .shots{grid-template-columns:1fr;}
}
.post-body h2.subhead{margin:0 0 14px;font-weight:800;font-size:clamp(22px,2.6vw,30px);letter-spacing:-0.02em;line-height:1.12;}
.post-body .secnum{font-family:var(--mono);font-size:11px;letter-spacing:0.12em;color:var(--accent);margin-right:8px;}

/* research series */
.series-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:42px 0 0;}
.series-principles article{border:1px solid var(--hair);padding:24px;background:var(--paper);}
.series-principles h2{margin:18px 0 0;font-size:20px;font-weight:800;letter-spacing:-0.025em;line-height:1.08;}
.series-principles p{margin:10px 0 0;color:var(--grey);font-size:14.5px;line-height:1.55;}
.report-series{display:flex;flex-direction:column;gap:16px;padding:16px 0 36px;}
.report-card{border:1px solid var(--hair);background:var(--paper);padding:26px;}
.report-head{display:flex;align-items:baseline;gap:16px;}
.report-head span{font-family:var(--mono);font-size:11px;letter-spacing:0.12em;color:var(--accent);font-weight:600;}
.report-head h2{margin:0;font-size:clamp(22px,2.5vw,31px);font-weight:800;letter-spacing:-0.02em;line-height:1.12;}
.report-question{margin:12px 0 0;max-width:76ch;color:var(--ink-70);font-size:17px;line-height:1.55;}
.report-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:24px;border-top:1px solid var(--hair-soft);padding-top:22px;}
.report-cols h3{margin:0;font-family:var(--mono);font-size:10.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);}
.report-cols p{margin:8px 0 0;color:var(--grey);font-size:14px;line-height:1.55;}

/* blog index and generated POC posts */
.blog-intro{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:42px 0 0;}
.blog-intro article{border:1px solid var(--hair);background:var(--wash);padding:24px;}
.blog-intro p{margin:12px 0 0;color:var(--ink-70);font-size:15px;line-height:1.55;}
.blog-index .blog-hero .lede{max-width:78ch;}
.blog-index .lab-intro article{background:var(--paper);}
.blog-section{padding:46px 0 0;border-top:1px solid var(--hair-soft);margin-top:38px;}
.blog-section-head{
  display:grid;
  grid-template-columns:160px minmax(0,1fr);
  gap:28px;
  align-items:start;
}
.blog-section-head h2{
  margin:0;
  max-width:18ch;
  font-size:clamp(26px,3.2vw,40px);
  font-weight:850;
  letter-spacing:-0.02em;
  line-height:1.1;
}
.blog-section-head p{
  grid-column:2;
  margin:12px 0 0;
  max-width:68ch;
  color:var(--grey);
  font-size:15.5px;
  line-height:1.6;
}
.blog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;padding:42px 0 28px;}
.blog-index .blog-grid{padding-top:22px;}
.blog-grid.single{grid-template-columns:1fr;padding-bottom:12px;}
.blog-grid.featured{grid-template-columns:repeat(3,1fr);}
.blog-grid.compact{grid-template-columns:repeat(3,1fr);}
.blog-card{
  border:1px solid var(--hair);background:var(--paper);padding:26px;
  display:flex;flex-direction:column;min-height:238px;
  transition:border-color .15s ease, transform .15s ease;
}
.blog-card:hover{border-color:var(--ink);transform:translateY(-2px);}
.blog-card.priority{border-color:rgba(43,92,255,0.38);}
.blog-meta,.blog-link{
  font-family:var(--mono);font-size:10.5px;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--faint);
}
.blog-card.priority .blog-meta{color:var(--accent);}
.blog-card h2{margin:24px 0 0;font-size:clamp(22px,2.5vw,31px);font-weight:800;letter-spacing:-0.02em;line-height:1.12;}
.blog-card p{margin:13px 0 0;color:var(--grey);font-size:14.5px;line-height:1.55;}
.blog-link{margin-top:auto;padding-top:24px;color:var(--accent);}
.blog-card.compact{min-height:210px;padding:22px;}
.blog-card.compact h2{font-size:clamp(20px,2vw,25px);}
.blog-card.compact p{font-size:14px;}
.blog-actions{display:flex;gap:24px;flex-wrap:wrap;margin:0 0 56px;}
.blog-actions .post-back{margin:8px 0 0;}
.blog-body ul,.blog-body ol{margin:0;padding-left:22px;color:var(--ink-70);font-size:16px;line-height:1.65;max-width:76ch;}
.blog-body li + li{margin-top:4px;}
.blog-body pre{
  margin:0;max-width:76ch;overflow:auto;background:var(--wash);border:1px solid var(--hair);
  padding:16px;font-family:var(--mono);font-size:12px;line-height:1.55;color:var(--ink-70);
}
.blog-body code{font-family:var(--mono);}
.post-body a{color:var(--accent);}
.post-body a:hover{color:var(--ink);}

/* interactive POC concept demos */
.poc-demo{
  margin:44px 0 0;border:1px solid var(--hair);background:var(--wash);
  padding:28px;
}
.poc-demo-loading,.poc-demo-empty{font-family:var(--mono);font-size:12px;color:var(--grey);}
.poc-demo-head{max-width:78ch;}
.poc-demo-head h2{
  margin:14px 0 0;font-weight:900;font-size:clamp(28px,4vw,46px);
  letter-spacing:-0.02em;line-height:1.08;
}
.poc-demo-head p{margin:16px 0 0;color:var(--ink-70);font-size:16px;line-height:1.6;}
.poc-demo-grid{display:grid;grid-template-columns:320px 1fr;gap:22px;margin-top:28px;}
.poc-controls{
  border:1px solid var(--hair);background:var(--paper);padding:18px;
  display:flex;flex-direction:column;gap:16px;
}
.poc-controls label{display:flex;flex-direction:column;gap:8px;}
.poc-controls label span{
  font-family:var(--mono);font-size:10.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);
}
.poc-controls select{
  width:100%;font:inherit;font-size:14px;color:var(--ink);
  border:1px solid var(--hair);background:#fff;padding:10px 11px;border-radius:0;
}
.poc-output{border:1px solid var(--hair);background:var(--paper);padding:20px;}
.poc-result-top{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.poc-result-top > div{border:1px solid var(--hair-soft);background:#fff;padding:14px;}
.poc-result-top strong{display:block;margin-top:8px;font-size:34px;font-weight:900;letter-spacing:-0.04em;line-height:0.95;}
.poc-small-label{
  font-family:var(--mono);font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);
}
.poc-result-copy{margin:18px 0 0;color:var(--ink-70);font-size:16px;line-height:1.55;}
.poc-source-watch,.poc-agent-steps{
  margin-top:22px;border-top:1px solid var(--hair-soft);padding-top:18px;
}
.poc-source-head{display:flex;justify-content:space-between;gap:16px;align-items:baseline;margin-bottom:10px;}
.poc-source-head h3,.poc-agent-steps h3{
  margin:0;font-family:var(--mono);font-size:10.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);
}
.poc-source-head span{
  font-family:var(--mono);font-size:10px;letter-spacing:0.08em;text-transform:uppercase;color:var(--accent);
}
.poc-source-note{
  margin:0 0 12px;color:var(--ink-70);font-size:13px;line-height:1.5;
}
.poc-source-watch a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}
.poc-source-watch table{width:100%;border-collapse:collapse;font-size:13px;background:#fff;}
.poc-source-watch th,.poc-source-watch td{text-align:left;vertical-align:top;padding:10px;border-bottom:1px solid var(--hair-soft);line-height:1.45;}
.poc-source-watch th{
  font-family:var(--mono);font-size:10px;letter-spacing:0.1em;text-transform:uppercase;color:var(--faint);
}
.poc-source-watch td:nth-child(3){font-family:var(--mono);font-weight:600;color:var(--ink);}
.poc-agent-steps ol{margin:0;padding-left:19px;color:var(--grey);font-size:13.5px;line-height:1.5;}
.poc-agent-steps li + li{margin-top:5px;}
.poc-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px;}
.poc-columns h3,.poc-next h3{
  margin:0 0 9px;font-family:var(--mono);font-size:10.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);
}
.poc-columns ul,.poc-next ol{margin:0;padding-left:18px;color:var(--grey);font-size:13.5px;line-height:1.5;}
.poc-columns li + li,.poc-next li + li{margin-top:5px;}
.poc-next{margin-top:22px;border-top:1px solid var(--hair-soft);padding-top:18px;}
.poc-export{margin-top:18px;border:1px solid var(--hair);background:var(--paper);}
.poc-export-bar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:12px 14px;border-bottom:1px solid var(--hair-soft);
}
.poc-export-bar button{
  font:inherit;font-family:var(--mono);font-size:10.5px;letter-spacing:0.1em;text-transform:uppercase;
  border:1px solid var(--ink);background:var(--ink);color:#fff;padding:8px 10px;cursor:pointer;
}
.poc-export textarea{
  width:100%;min-height:180px;display:block;border:0;resize:vertical;
  font-family:var(--mono);font-size:12px;line-height:1.55;color:var(--ink-70);padding:14px;background:#fff;
}
.snapshot-app{display:grid;grid-template-columns:320px 1fr;gap:22px;margin-top:28px;}
.snapshot-standby,.snapshot-output{border:1px solid var(--hair);background:var(--paper);padding:20px;}
.snapshot-standby h3{margin:10px 0 0;font-size:24px;line-height:1.12;letter-spacing:-0.02em;}
.snapshot-standby p,.snapshot-empty p{color:var(--ink-70);line-height:1.55;}
.snapshot-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0;}
.snapshot-tags span{
  border:1px solid var(--hair);background:#fff;padding:7px 9px;
  font-family:var(--mono);font-size:10px;letter-spacing:0.08em;text-transform:uppercase;color:var(--grey);
}
.snapshot-standby button{
  width:100%;border:1px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;
  padding:12px 14px;font:inherit;font-family:var(--mono);font-size:10.5px;letter-spacing:0.1em;text-transform:uppercase;
}
.snapshot-loop{font-size:13px;margin:14px 0 0;}
.snapshot-empty{min-height:260px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;}
.snapshot-report-head{border-bottom:1px solid var(--hair-soft);padding-bottom:18px;}
.snapshot-report-head strong{display:block;margin-top:8px;font-size:40px;line-height:0.95;letter-spacing:-0.04em;}
.snapshot-report-head p{margin:12px 0 0;color:var(--ink-70);font-size:16px;line-height:1.55;}
.snapshot-report-head .snapshot-source-note{font-size:12.5px;line-height:1.5;color:var(--ink-55);}
.snapshot-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px;}
.snapshot-metrics div{border:1px solid var(--hair-soft);background:#fff;padding:14px;}
.snapshot-metrics span,.snapshot-data-grid span,.benchmark-flow span,.snapshot-body h3,.snapshot-source-grid h3,.snapshot-data-block h3,.snapshot-benchmark h3,.snapshot-thresholds h3{
  font-family:var(--mono);font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);
}
.snapshot-metrics strong,.snapshot-data-grid strong,.benchmark-flow strong{display:block;margin-top:8px;font-size:30px;line-height:1;letter-spacing:-0.035em;}
.snapshot-metrics p,.snapshot-data-grid p,.benchmark-flow p{margin:8px 0 0;color:var(--ink-70);font-size:13px;line-height:1.45;}
.snapshot-data-block,.snapshot-benchmark,.snapshot-thresholds{margin-top:22px;border-top:1px solid var(--hair-soft);padding-top:18px;}
.snapshot-data-block h3,.snapshot-benchmark h3,.snapshot-thresholds h3{margin:0 0 10px;}
.snapshot-data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.snapshot-data-grid div{border:1px solid var(--hair-soft);background:#fff;padding:14px;}
.snapshot-benchmark > p{margin:0;color:var(--ink-70);font-size:15px;line-height:1.6;}
.benchmark-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px;}
.benchmark-flow div{border:1px solid var(--hair-soft);background:#fff;padding:14px;}
.benchmark-flow strong{font-size:22px;}
.snapshot-benchmark-note{margin-top:14px!important;}
.snapshot-body{margin-top:22px;}
.snapshot-body h3,.snapshot-source-grid h3{margin:0 0 10px;}
.snapshot-body p{margin:0;color:var(--ink-70);font-size:16px;line-height:1.6;}
.snapshot-body ul,.snapshot-source-grid ul,.snapshot-thresholds ul{margin:14px 0 0;padding-left:18px;color:var(--grey);font-size:13.5px;line-height:1.5;}
.snapshot-body li + li,.snapshot-source-grid li + li,.snapshot-thresholds li + li{margin-top:6px;}
.snapshot-ai-note{margin-top:22px;border-top:1px solid var(--hair-soft);padding-top:18px;}
.snapshot-ai-note h3{margin:0 0 10px;font-family:var(--mono);font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);}
.snapshot-ai-note p{margin:0;color:var(--ink-70);font-size:14px;line-height:1.55;}
.snapshot-ai-note p + p{margin-top:8px;}
.snapshot-ai-note pre{
  margin:14px 0 0;max-height:360px;overflow:auto;white-space:pre-wrap;
  border:1px solid var(--hair-soft);background:#fff;padding:14px;
  font-family:var(--mono);font-size:12px;line-height:1.55;color:var(--ink-70);
}
.snapshot-ai-meta{font-size:12.5px;color:var(--ink-55);}
.snapshot-ai-warning{background:var(--wash);border:1px solid var(--hair-soft);padding:16px;margin-top:22px;}
.snapshot-loading{min-height:260px;}
.snapshot-source-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px;border-top:1px solid var(--hair-soft);padding-top:18px;}
.snapshot-source-grid a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;}

/* comparison table */
.tablewrap{overflow-x:auto;margin:6px 0 4px;}
.ptable{width:100%;border-collapse:collapse;font-size:14px;min-width:560px;}
.ptable th,.ptable td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--hair-soft);vertical-align:top;line-height:1.5;}
.ptable thead th{font-family:var(--mono);font-size:10.5px;letter-spacing:0.1em;text-transform:uppercase;color:var(--faint);border-bottom:1px solid var(--hair);}
.ptable td:first-child{font-weight:700;letter-spacing:-0.01em;color:var(--ink);white-space:nowrap;}
.ptable td{color:var(--grey);}
.ptable tbody tr:hover{background:var(--wash);}
.ptable .tag{font-family:var(--mono);font-size:9.5px;letter-spacing:0.06em;text-transform:uppercase;color:var(--ink-70);border:1px solid var(--hair);padding:2px 7px;border-radius:4px;white-space:nowrap;}

/* dark research callout */
.post-callout{background:var(--ink);color:#fff;padding:28px 30px;margin:6px 0;}
.post-callout .t{font-family:var(--mono);font-size:10px;letter-spacing:0.14em;text-transform:uppercase;color:rgba(255,255,255,0.45);}
.post-callout p{margin:12px 0 0;font-size:19px;font-weight:600;letter-spacing:-0.02em;line-height:1.36;color:#fff;max-width:none;}

/* quick-note grid */
.notegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:6px;}
.notegrid .nb h4{margin:0 0 5px;font-size:15px;font-weight:700;letter-spacing:-0.01em;}
.notegrid .nb .k{font-family:var(--mono);font-size:10px;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint);margin-bottom:8px;}
.notegrid .nb p{margin:0;font-size:13.5px;color:var(--grey);line-height:1.55;max-width:none;}

/* references */
.refs{list-style:none;padding:0;margin:6px 0 0;}
.refs li{padding:11px 0;border-bottom:1px solid var(--hair-soft);font-size:14px;line-height:1.5;}
.refs li:last-child{border-bottom:none;}
.refs a{color:var(--ink);}
.refs a:hover{color:var(--accent);}
.refs .src{font-family:var(--mono);font-size:10px;letter-spacing:0.08em;text-transform:uppercase;color:var(--faint);display:block;margin-top:3px;}

@media(max-width:720px){
  .poc-feature,.question-grid,.notegrid,.series-principles,.report-cols,.blog-intro,.blog-grid,.blog-grid.featured,.blog-grid.compact,.poc-demo-grid,.poc-result-top,.poc-columns,.snapshot-app,.snapshot-metrics,.snapshot-data-grid,.benchmark-flow,.snapshot-source-grid{grid-template-columns:1fr;}
  .market-poc,.prototype-lab,.research-questions{padding-bottom:56px;}
  .poc-copy{padding:26px;}
  .poc-copy h2{max-width:18ch;}
  .research-strip{align-items:flex-start;flex-direction:column;}
  .blog-section-head{grid-template-columns:1fr;gap:12px;}
  .blog-section-head p{grid-column:1;margin-top:0;}
  .poc-demo{padding:20px;}
}

/* responsive ------------------------------------------------- */
@media(max-width:1100px){
  .nav-inner{flex-wrap:wrap;row-gap:0;min-width:0;}
  .mark{min-width:0;}
  .mark .wm{white-space:nowrap;}
  .nav-toggle{display:none;}
  .nav-links{order:3;flex-basis:100%;width:100%;display:flex;flex-direction:row;align-items:center;gap:20px;overflow-x:auto;max-height:none;padding-top:12px;scrollbar-width:none;}
  .nav-links::-webkit-scrollbar{display:none;}
  .nav-links a{flex:0 0 auto;padding:8px 1px;font-size:11px;white-space:nowrap;border-top:0;}
  .nav-links a::after{display:none;}
  .nav-links .nav-profile{padding-left:18px;border-left:1px solid var(--hair-soft);}
  .mast h1{
    max-width:11ch;
    font-size:64px;
    line-height:1;
    text-wrap:balance;
  }
  .section-title{
    max-width:14ch;
    font-size:46px;
    line-height:1.04;
    overflow-wrap:break-word;
    text-wrap:balance;
  }
}
@media(max-width:900px){
  :root{--pad:24px;}
  /* nav collapses into a hamburger menu on phones */
  .nav-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:40px;height:40px;
  }
  .nav-toggle span{
    display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;
    transition:transform .2s ease,opacity .2s ease;
  }
  .nav.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav.nav-open .nav-toggle span:nth-child(2){opacity:0;}
  .nav.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .nav-links{
    order:3;flex-basis:100%;width:100%;
    flex-direction:column;align-items:stretch;gap:0;
    overflow:hidden;max-height:0;padding-top:0;
    transition:max-height .25s ease;
  }
  .nav.nav-open .nav-links{max-height:70vh;padding-top:6px;}
  .nav-links a{
    flex:0 0 auto;width:100%;padding:13px 2px;font-size:12px;white-space:nowrap;
    border-bottom:1px solid var(--hair-soft);
  }
  .nav-links a:last-child{border-bottom:0;}
  .nav-links .nav-profile{padding-left:2px;border-left:0;}
  .projects{grid-template-columns:1fr;}
  .poc-feature{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr;}
  .case-feature{grid-column:span 1;display:flex;}
  .case-feature .case-media{border-right:0;border-bottom:1px solid var(--hair);aspect-ratio:16/10;min-height:0;}
  .case-feature .case-copy{padding:24px;}
  .case-feature h3{max-width:18ch;}
  .question-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;gap:28px;padding-bottom:56px;}
  .about-copy{order:0;}
  .about-panel{order:0;}
  .about-copy h2{max-width:17ch;font-size:40px;}
  .about-panel{max-width:620px;}
  .card.feature{grid-column:span 1;flex-direction:column;}
  .card.feature .media{min-height:240px;}
  .stance{grid-template-columns:1fr;}
  .ritem{grid-template-columns:1fr;gap:8px;}
  .ritem .meta{order:-1;}
  .ritem .go,.ritem .status{display:none;}
}
@media(max-width:560px){
  .mast{padding-top:88px;padding-bottom:56px;}
  .mast h1{max-width:10ch;font-size:40px;line-height:1.02;}
  .mast .lede{max-width:25ch;font-size:17px;line-height:1.55;}
  .post-lead .lede,.post-header .lede{max-width:25ch;font-size:17px;line-height:1.55;}
  .app-mobile-note{max-width:25ch;overflow-wrap:break-word;}
  .section-title{max-width:12ch;font-size:32px;line-height:1.08;}
  .case-studies{padding-bottom:56px;}
  .case-top{align-items:flex-start;flex-direction:column;gap:6px;}
  .case-points span{font-size:9.5px;}
  .about-copy h2{font-size:32px;}
  .about-paras p{font-size:16px;}
  .about-facts div{grid-template-columns:1fr;gap:6px;padding:15px 16px;}
}

/* dark title blocks: every page opens on ink ------------------ */
.mast,.post-lead,.post-header{
  background:var(--ink);
  box-shadow:0 0 0 100vmax var(--ink);
  clip-path:inset(0 -100vmax);
  border-bottom:none;
}
.mast h1,.post-lead h1,.post-header h1{color:#fff;}
.mast .lede,.post-lead .lede,.post-header .lede{color:rgba(255,255,255,0.62);}
.mast .lede b{color:#fff;}
.post-header{padding-bottom:52px;}
.post-labels span{border-color:rgba(255,255,255,0.28);color:rgba(255,255,255,0.78);}
.mast-meta span{border-color:rgba(255,255,255,0.28);color:rgba(255,255,255,0.78);}
.mast-actions .action{border-color:rgba(255,255,255,0.3);color:#fff;}
.mast-actions .action:hover{border-color:var(--accent-soft);}
.mast .kick{color:#fff;}