/* Private homepage concepts. Intentionally isolated from shared.css. */
:root{
  --concept-deep:#11100E;
  --concept-cobalt-soft:#E7E9F6;
}

body.concept-page{background:var(--bg)}
.concept-page .doc-head{position:sticky;top:0}
.concept-switcher{
  min-height:42px;
  background:var(--concept-deep);
  color:#fff;
  font-family:var(--mono);
  font-size:.6875rem;
  line-height:1.2;
  letter-spacing:.06em;
}
.concept-switcher .wrap{
  min-height:42px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.concept-switcher-label{color:rgba(255,255,255,.68);white-space:nowrap}
.concept-switcher nav{display:flex;align-items:center;gap:6px}
.concept-switcher a{
  color:rgba(255,255,255,.72);
  text-decoration:none;
  padding:7px 10px;
  border:1px solid transparent;
}
.concept-switcher a:hover{color:#fff;border-color:rgba(255,255,255,.28)}
.concept-switcher a[aria-current="page"]{color:var(--concept-deep);background:#fff}
.concept-mobile-nav{display:none}

.concept-main section{position:relative}
.concept-main p{text-wrap:pretty}
.concept-hero{
  min-height:calc(100vh - 106px);
  display:flex;
  align-items:center;
  padding:clamp(72px,9vw,132px) 0;
  border-bottom:1px solid var(--border);
}
.concept-hero h1{
  font-size:clamp(3rem,6.3vw,5.6rem);
  line-height:.98;
  letter-spacing:-.035em;
  max-width:14ch;
}
.concept-lede{
  margin-top:28px;
  max-width:55ch;
  font-size:clamp(1.125rem,1.6vw,1.35rem);
  line-height:1.55;
  color:var(--text-muted);
}
.concept-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:18px 24px;
  margin-top:34px;
}
.concept-actions .link{font-weight:600}
.concept-actions .cta-note{flex-basis:100%}
.concept-section{
  padding:clamp(72px,9vw,128px) 0;
  border-bottom:1px solid var(--border);
}
.concept-section-head{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:32px;
  align-items:start;
  margin-bottom:clamp(42px,6vw,72px);
}
.concept-section-head h2{grid-column:1/span 5;max-width:13ch}
.concept-section-head>p{
  grid-column:7/span 6;
  font-size:1.0625rem;
  color:var(--text-muted);
  max-width:50ch;
}
.concept-end{
  padding:clamp(72px,10vw,140px) 0;
  background:var(--concept-deep);
  color:#fff;
}
.concept-end-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:32px;
  align-items:end;
}
.concept-end h2{grid-column:1/span 7;max-width:13ch;font-size:clamp(2.5rem,5vw,4.5rem)}
.concept-end-copy{grid-column:8/span 5}
.concept-end-copy p{color:rgba(255,255,255,.75)}
.concept-end .btn{margin-top:24px;background:#fff;color:var(--concept-deep)}
.concept-end .btn:hover{background:var(--concept-cobalt-soft)}
.concept-colophon{background:var(--concept-deep);border-top-color:rgba(255,255,255,.18)}
.concept-colophon span,.concept-colophon a{color:rgba(255,255,255,.62)}
.concept-colophon a:hover{color:#fff}

/* Hub */
.concept-hub{min-height:100vh;padding:72px 0 104px}
.concept-hub-head{max-width:820px;margin-bottom:64px}
.concept-hub-head h1{font-size:clamp(2.8rem,6vw,5rem);max-width:14ch}
.concept-hub-head p{margin-top:24px;font-size:1.2rem;color:var(--text-muted);max-width:58ch}
.concept-choice-list{border-top:1px solid var(--text)}
.concept-choice{
  display:grid;
  grid-template-columns:72px minmax(220px,1.1fr) minmax(280px,1.5fr) auto;
  gap:28px;
  align-items:center;
  padding:36px 0;
  border-bottom:1px solid var(--border);
  text-decoration:none;
}
.concept-choice-letter{
  font-family:var(--display);
  font-size:2.25rem;
  font-weight:800;
  color:var(--accent);
}
.concept-choice h2{font-size:1.75rem}
.concept-choice p{color:var(--text-muted);font-size:.975rem}
.concept-choice-open{
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  white-space:nowrap;
}
.concept-choice:hover h2{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:5px}
.concept-choice:hover .concept-choice-open{color:var(--accent)}

/* A: hire-first */
.hire-hero{background:var(--bg)}
.hire-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(300px,4fr);
  gap:clamp(54px,8vw,116px);
  align-items:center;
}
.hire-hero-copy h1{max-width:13ch}
.hire-ledger{border-top:1px solid var(--text)}
.hire-ledger-title{
  padding:12px 0 16px;
  color:var(--text-muted);
  font-size:.8125rem;
}
.hire-ledger-row{
  display:grid;
  grid-template-columns:minmax(150px,max-content) minmax(0,1fr);
  gap:18px;
  align-items:baseline;
  padding:21px 0;
  border-top:1px solid var(--border);
}
.hire-ledger-row strong{
  font-family:var(--display);
  font-size:1.75rem;
  letter-spacing:-.025em;
  white-space:nowrap;
}
.hire-ledger-row span{font-size:.875rem;color:var(--text-muted);line-height:1.45}
.change-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--text);
  border-bottom:1px solid var(--text);
}
.change-item{padding:32px 28px 38px;border-right:1px solid var(--border)}
.change-item:first-child{padding-left:0}
.change-item:last-child{padding-right:0;border-right:0}
.change-item h3{font-family:var(--display);font-size:1.5rem;margin-bottom:14px}
.change-item p{font-size:.9375rem;color:var(--text-muted)}
.current-work{border-top:1px solid var(--border)}
.current-row{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:32px;
  padding:34px 0;
  border-bottom:1px solid var(--border);
}
.current-row h3{grid-column:1/span 4;font-size:1.05rem}
.current-row p{grid-column:5/span 7;color:var(--text-muted);font-size:.95rem}
.current-row a{
  grid-column:12;
  justify-self:end;
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.06em;
  text-decoration:none;
}
.current-row:hover a{color:var(--accent)}
.hire-mode-list{border-top:1px solid var(--text)}
.hire-mode{
  display:grid;
  grid-template-columns:1fr 2fr auto;
  gap:28px;
  padding:26px 0;
  border-bottom:1px solid var(--border);
  align-items:baseline;
}
.hire-mode strong{font-family:var(--display);font-size:1.25rem}
.hire-mode span{color:var(--text-muted);font-size:.95rem}
.hire-mode a{font-size:.875rem}

/* B: builder-first */
.builder-hero{
  background:var(--accent);
  color:#fff;
  border-bottom:0;
}
.builder-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(360px,5fr);
  gap:clamp(48px,7vw,100px);
  align-items:center;
}
.builder-hero h1{max-width:11ch}
.builder-hero h1 .stop{color:#95A1FF}
.no-break{white-space:nowrap}
.builder-hero .concept-lede{color:rgba(255,255,255,.82)}
.builder-hero .btn{background:#fff;color:var(--accent)}
.builder-hero .btn:hover{background:var(--concept-cobalt-soft)}
.builder-hero .link{color:#fff;text-decoration-color:rgba(255,255,255,.55)}
.builder-hero .cta-note{color:rgba(255,255,255,.68)}
.circuit-preview{
  border-top:1px solid rgba(255,255,255,.72);
  border-bottom:1px solid rgba(255,255,255,.72);
  color:inherit;
  text-decoration:none;
}
.circuit-preview-head{
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:baseline;
  padding:16px 0;
}
.circuit-preview-head strong{font-family:var(--display);font-size:1.5rem}
.circuit-preview-head span{font-family:var(--mono);font-size:.6875rem;letter-spacing:.07em;color:rgba(255,255,255,.68)}
.circuit-preview-row{
  display:grid;
  grid-template-columns:92px repeat(4,1fr);
  gap:12px;
  align-items:center;
  padding:18px 0;
  border-top:1px solid rgba(255,255,255,.25);
}
.circuit-preview-row>b{font-family:var(--display);font-size:1.05rem}
.circuit-preview-row span{
  position:relative;
  font-family:var(--mono);
  font-size:.6875rem;
  line-height:1.35;
  letter-spacing:.035em;
  color:rgba(255,255,255,.78);
}
.circuit-preview-row span:not(:last-child)::after{
  content:"";
  position:absolute;
  top:50%;
  right:-8px;
  width:4px;
  height:4px;
  border-top:1px solid rgba(255,255,255,.65);
  border-right:1px solid rgba(255,255,255,.65);
  transform:translateY(-50%) rotate(45deg);
}
.builds-list{border-top:1px solid var(--text)}
.build-row{
  display:grid;
  grid-template-columns:minmax(220px,4fr) minmax(300px,6fr) auto;
  gap:32px;
  padding:38px 0;
  border-bottom:1px solid var(--border);
  align-items:start;
}
.build-row h3{font-family:var(--display);font-size:clamp(1.5rem,2.3vw,2rem)}
.build-row p{color:var(--text-muted)}
.build-row a{
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.06em;
  text-decoration:none;
  white-space:nowrap;
  padding-top:7px;
}
.build-row:hover a{color:var(--accent)}
.tools-pair{
  display:grid;
  grid-template-columns:1fr 1fr;
  border-top:1px solid var(--text);
  border-bottom:1px solid var(--text);
}
.tool-feature{padding:38px 42px 44px 0}
.tool-feature+.tool-feature{padding-left:42px;border-left:1px solid var(--border)}
.tool-feature h3{font-family:var(--display);font-size:1.7rem;margin-bottom:14px}
.tool-feature p{color:var(--text-muted)}
.tool-feature a{display:inline-block;margin-top:20px;font-weight:600}
.installed-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--border);
}
.installed-item{padding:30px 28px;border-bottom:1px solid var(--border);border-right:1px solid var(--border)}
.installed-item:first-child{padding-left:0}
.installed-item:last-child{padding-right:0;border-right:0}
.installed-item strong{display:block;font-family:var(--display);font-size:1.25rem;line-height:1.25;margin-bottom:10px}
.installed-item span{color:var(--text-muted);font-size:.9rem}
.builder-proof{
  background:var(--concept-deep);
  color:#fff;
}
.builder-proof .concept-section-head>p{color:rgba(255,255,255,.68)}
.builder-proof-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.34);
  border-bottom:1px solid rgba(255,255,255,.34);
}
.builder-proof-item{padding:32px 24px;border-right:1px solid rgba(255,255,255,.22)}
.builder-proof-item:first-child{padding-left:0}
.builder-proof-item:last-child{border-right:0;padding-right:0}
.builder-proof-item strong{display:block;font-family:var(--display);font-size:clamp(2rem,3.4vw,3.2rem);letter-spacing:-.03em}
.builder-proof-item span{display:block;margin-top:8px;color:rgba(255,255,255,.65);font-size:.82rem}

/* C: point-of-view first */
.pov-hero{
  min-height:auto;
  padding:clamp(74px,9vw,126px) 0 0;
  background:var(--concept-deep);
  color:#fff;
  border-bottom:0;
}
.pov-hero-copy{max-width:1050px}
.pov-hero h1{
  max-width:17ch;
  font-size:clamp(3.3rem,7vw,6rem);
}
.pov-hero h1 .signal{color:#95A1FF}
.pov-hero .concept-lede{color:rgba(255,255,255,.72);max-width:62ch}
.pov-hero .btn{background:#fff;color:var(--concept-deep)}
.pov-hero .btn:hover{background:var(--concept-cobalt-soft)}
.pov-hero .link{color:#fff;text-decoration-color:#95A1FF}
.path-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  margin-top:clamp(64px,8vw,104px);
  border-top:1px solid rgba(255,255,255,.3);
}
.pov-hero .path-split{margin-top:clamp(44px,6vw,72px)}
.path{
  display:grid;
  grid-template-columns:1fr auto;
  gap:20px 32px;
  min-height:210px;
  padding:34px 42px 42px 0;
  color:#fff;
  text-decoration:none;
}
.path+.path{padding-left:42px;padding-right:0;border-left:1px solid rgba(255,255,255,.3)}
.path h2{font-size:clamp(1.75rem,3vw,2.6rem)}
.path p{grid-column:1;color:rgba(255,255,255,.66);font-size:.95rem}
.path-mark{
  grid-column:2;
  grid-row:1/span 2;
  align-self:center;
  font-size:2rem;
  transition:transform .2s ease-out;
}
.path:hover .path-mark{transform:translateX(6px)}
.belief-list{border-top:1px solid var(--text)}
.belief{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:32px;
  padding:44px 0;
  border-bottom:1px solid var(--border);
}
.belief h3{
  grid-column:1/span 7;
  font-family:var(--display);
  font-size:clamp(1.65rem,3vw,2.6rem);
  line-height:1.08;
  letter-spacing:-.025em;
}
.belief p{grid-column:9/span 4;color:var(--text-muted);font-size:.95rem}
.belief h3 em{font-style:normal;color:var(--accent)}
.pov-proof-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(300px,4fr);
  gap:clamp(48px,7vw,92px);
  align-items:start;
}
.pov-feature{
  padding:42px;
  background:var(--accent);
  color:#fff;
}
.pov-feature h3{font-family:var(--display);font-size:clamp(2rem,3.5vw,3.25rem);max-width:11ch}
.pov-feature p{margin-top:20px;color:rgba(255,255,255,.78)}
.pov-feature a{display:inline-block;margin-top:28px;color:#fff;font-weight:600}
.pov-results{border-top:1px solid var(--text)}
.pov-result{padding:24px 0;border-bottom:1px solid var(--border)}
.pov-result strong{display:block;font-family:var(--display);font-size:1.55rem}
.pov-result span{display:block;margin-top:7px;color:var(--text-muted);font-size:.88rem}
.pov-close{background:var(--bg);color:var(--text)}
.pov-close .concept-end-copy p{color:var(--text-muted)}
.pov-close .btn{background:var(--primary);color:#fff}
.pov-close .btn:hover{background:var(--accent);color:#fff}

/* D: stakeholder synthesis */
.synthesis-hero{
  min-height:auto;
  padding:clamp(74px,9vw,126px) 0;
  background:var(--concept-deep);
  color:#fff;
  border-bottom:0;
}
.synthesis-hero-copy{max-width:1060px}
.synthesis-kicker{
  margin-bottom:24px;
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:#95A1FF;
}
.synthesis-hero h1{
  max-width:17ch;
  font-size:clamp(3.3rem,7vw,6rem);
}
.synthesis-hero h1 .signal{color:#95A1FF}
.synthesis-hero .concept-lede{max-width:62ch;color:rgba(255,255,255,.74)}
.synthesis-hero .btn{background:#fff;color:var(--concept-deep)}
.synthesis-hero .btn:hover{background:var(--concept-cobalt-soft)}
.synthesis-hero .link{color:#fff;text-decoration-color:#95A1FF}
.synthesis-hero .cta-note{color:rgba(255,255,255,.62)}

.worked-with{
  padding:34px 0 42px;
  background:var(--surface);
  border-bottom:1px solid var(--border);
}
.worked-with-label{
  margin-bottom:20px;
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--text-muted);
}
.worked-with-list{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  grid-auto-rows:104px;
  border-top:1px solid var(--text);
  border-bottom:1px solid var(--text);
}
.worked-with-name{
  min-height:0;
  padding:22px 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-right:1px solid var(--border);
  text-align:center;
}
.worked-with-name:last-child{border-right:0}
.worked-with-logo{
  display:block;
  width:auto;
  max-width:100%;
  height:auto;
  object-fit:contain;
  filter:grayscale(1);
  opacity:.88;
}
.worked-with-logo--mongodb{width:142px}
.worked-with-logo--muck-rack{width:168px}
.worked-with-logo--douglas-elliman{width:172px}
.worked-with-logo--sony{width:112px}
.worked-with-logo--the-strokes{width:62px}

.origin-section{background:var(--concept-cobalt-soft)}
.origin-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px 32px;
  align-items:start;
}
.origin-label{
  grid-column:1/span 3;
  padding-top:9px;
  font-family:var(--mono);
  font-size:.6875rem;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--accent);
}
.origin-grid h2{grid-column:4/span 4;max-width:9ch;font-size:clamp(2.5rem,4.7vw,4.2rem)}
.origin-copy{grid-column:8/span 5}
.origin-copy p{color:var(--text-muted)}
.origin-copy p+p{
  margin-top:22px;
  font-family:var(--display);
  font-size:1.35rem;
  font-weight:700;
  line-height:1.25;
  color:var(--text);
}

.synthesis-current .current-row p{grid-column:5/span 8}
.synthesis-current .current-row h3{font-family:var(--display);font-size:1.35rem;line-height:1.15}

.simple-circuit{
  padding:clamp(72px,9vw,128px) 0;
  background:var(--accent);
  color:#fff;
  border-bottom:0;
}
.simple-circuit-head{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:28px 32px;
  align-items:start;
}
.simple-circuit-head h2{grid-column:1/span 5;max-width:10ch;font-size:clamp(2.7rem,5vw,4.5rem)}
.simple-circuit-intro{grid-column:7/span 6}
.simple-circuit-intro p{font-size:1.125rem;color:rgba(255,255,255,.78)}
.simple-circuit-intro a{display:inline-block;margin-top:20px;color:#fff;font-weight:600}
.circuit-jobs{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  margin-top:clamp(48px,7vw,76px);
  border-top:1px solid rgba(255,255,255,.6);
  border-bottom:1px solid rgba(255,255,255,.6);
}
.circuit-job{padding:28px 28px 32px;border-right:1px solid rgba(255,255,255,.28)}
.circuit-job:first-child{padding-left:0}
.circuit-job:last-child{padding-right:0;border-right:0}
.circuit-job span{
  display:block;
  margin-bottom:18px;
  font-family:var(--mono);
  font-size:.625rem;
  letter-spacing:.1em;
  color:rgba(255,255,255,.58);
}
.circuit-job strong{display:block;font-family:var(--display);font-size:1.6rem;line-height:1.12}

.ownership-band{
  padding:42px 0;
  background:var(--surface);
  border-top:1px solid var(--text);
  border-bottom:1px solid var(--text);
}
.ownership-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px 32px;
  align-items:baseline;
}
.ownership-grid strong{
  grid-column:1/span 7;
  font-family:var(--display);
  font-size:clamp(1.8rem,3.2vw,2.8rem);
  line-height:1.08;
}
.ownership-grid p{grid-column:8/span 5;color:var(--text-muted)}

.builder-hero .link:hover,
.pov-feature .link:hover,
.simple-circuit .link:hover{
  color:#fff;
  text-decoration-color:#fff;
}

@media (max-width:980px){
  .hire-hero-grid,.builder-hero-grid,.pov-proof-grid{grid-template-columns:1fr}
  .hire-hero-copy{max-width:780px}
  .hire-ledger{max-width:700px}
  .builder-hero{min-height:auto}
  .circuit-preview{max-width:720px}
  .concept-choice{grid-template-columns:60px 1fr auto}
  .concept-choice p{grid-column:2/span 2}
  .concept-section-head h2{grid-column:1/span 6}
  .concept-section-head>p{grid-column:7/span 6}
  .worked-with-list{grid-template-columns:repeat(3,1fr)}
  .worked-with-name:nth-child(3){border-right:0}
  .worked-with-name:nth-child(n+4){border-top:1px solid var(--border)}
  .worked-with-name:last-child{justify-content:center;text-align:center}
}

@media (max-width:768px){
  .concept-switcher .wrap{padding:8px 16px;display:block}
  .concept-switcher-label{display:block;margin-bottom:6px}
  .concept-switcher nav{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:4px;
  }
  .concept-switcher a{padding:6px 7px;text-align:center}
  .concept-switcher-label{text-align:left!important}
  .concept-page .doc-head{position:relative}
  .concept-page .doc-head .wrap{
    min-height:64px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    padding-top:0;
    padding-bottom:0;
  }
  .concept-page .site-nav{display:none}
  .concept-mobile-nav{
    position:relative;
    display:block;
  }
  .concept-mobile-nav summary{
    min-width:84px;
    padding:9px 12px;
    border:1px solid var(--border);
    font-family:var(--body);
    font-size:.8125rem;
    font-weight:600;
    line-height:1;
    color:var(--text);
    list-style:none;
    cursor:pointer;
  }
  .concept-mobile-nav summary::-webkit-details-marker{display:none}
  .concept-mobile-nav summary::after{
    content:"+";
    float:right;
    margin-left:14px;
    color:var(--accent);
  }
  .concept-mobile-nav[open] summary::after{content:"−"}
  .concept-mobile-nav-links{
    position:absolute;
    top:calc(100% + 10px);
    right:0;
    z-index:30;
    width:min(260px,calc(100vw - 48px));
    display:grid;
    background:var(--surface);
    border:1px solid var(--text);
    box-shadow:0 14px 32px rgba(17,16,14,.16);
  }
  .concept-mobile-nav-links a{
    padding:11px 14px;
    border-bottom:1px solid var(--border);
    font-size:.875rem;
    font-weight:600;
    color:var(--text);
    text-decoration:none;
  }
  .concept-mobile-nav-links a:last-child{border-bottom:0}
  .concept-mobile-nav-links a:hover{background:var(--concept-cobalt-soft);color:var(--accent)}
  .concept-hub-page .doc-head .wrap{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding-top:13px;
    padding-bottom:13px;
  }
  .concept-hub-page .doc-head .link{font-size:.875rem;white-space:nowrap}
  .concept-hero{min-height:auto;padding:64px 0}
  .concept-hero h1,.pov-hero h1{font-size:clamp(2.65rem,13vw,4.3rem);letter-spacing:-.035em}
  .concept-lede{font-size:1.0625rem;margin-top:22px}
  .concept-actions{align-items:flex-start;flex-direction:column;margin-top:28px}
  .concept-actions .cta-note{font-size:.86rem}
  .concept-section{padding:68px 0}
  .concept-section-head{display:block;margin-bottom:38px}
  .concept-section-head h2{margin-bottom:16px}
  .concept-end-grid{display:block}
  .concept-end h2{margin-bottom:28px}
  .concept-hub{padding:52px 0 72px}
  .concept-hub-head{margin-bottom:42px}
  .concept-choice{grid-template-columns:48px 1fr;padding:28px 0;gap:12px 18px}
  .concept-choice p,.concept-choice-open{grid-column:2}
  .concept-choice-open{justify-self:start}
  .hire-hero-grid,.builder-hero-grid{gap:48px}
  .hire-ledger-row strong{font-size:1.5rem}
  .change-grid,.tools-pair,.installed-grid,.builder-proof-grid{grid-template-columns:1fr}
  .change-item,.change-item:first-child,.change-item:last-child{
    padding:26px 0;
    border-right:0;
    border-bottom:1px solid var(--border);
  }
  .change-item:last-child{border-bottom:0}
  .current-row{display:block}
  .current-row h3,.current-row p{margin-bottom:12px}
  .current-row a{display:inline-block}
  .hire-mode{grid-template-columns:1fr;gap:8px}
  .circuit-preview-row{grid-template-columns:1fr 1fr;row-gap:14px}
  .circuit-preview-row>b{grid-column:1/-1}
  .circuit-preview-row span::after{display:none}
  .build-row{grid-template-columns:1fr;gap:14px;padding:30px 0}
  .build-row a{padding-top:0}
  .tool-feature,.tool-feature+.tool-feature{padding:28px 0;border-left:0;border-bottom:1px solid var(--border)}
  .tool-feature:last-child{border-bottom:0}
  .installed-item,.installed-item:first-child,.installed-item:last-child{padding:24px 0;border-right:0}
  .builder-proof-item,.builder-proof-item:first-child,.builder-proof-item:last-child{
    padding:24px 0;
    border-right:0;
    border-bottom:1px solid rgba(255,255,255,.22);
  }
  .builder-proof-item:last-child{border-bottom:0}
  .pov-hero{padding-bottom:0}
  .path-split{grid-template-columns:1fr}
  .path,.path+.path{padding:28px 0 32px;border-left:0;border-bottom:1px solid rgba(255,255,255,.3);min-height:0}
  .path:last-child{border-bottom:0}
  .belief{display:block;padding:32px 0}
  .belief h3{margin-bottom:18px}
  .pov-feature{padding:28px 24px}
  .synthesis-hero{padding:64px 0}
  .synthesis-hero h1{font-size:clamp(2.65rem,13vw,4.3rem);letter-spacing:-.035em}
  .worked-with-list{grid-template-columns:1fr 1fr;grid-auto-rows:88px}
  .worked-with-name,
  .worked-with-name:first-child,
  .worked-with-name:last-child{
    min-height:0;
    padding:18px 12px;
    justify-content:center;
    border-top:0;
    border-right:1px solid var(--border);
    border-bottom:1px solid var(--border);
    text-align:center;
  }
  .worked-with-name:nth-child(even){border-right:0}
  .worked-with-name:last-child{grid-column:1/-1;border-right:0;border-bottom:0}
  .worked-with-logo--mongodb{width:130px}
  .worked-with-logo--muck-rack{width:148px}
  .worked-with-logo--douglas-elliman{width:150px}
  .worked-with-logo--sony{width:100px}
  .worked-with-logo--the-strokes{width:56px}
  .origin-grid,.simple-circuit-head,.ownership-grid{display:block}
  .origin-label,.origin-grid h2,.simple-circuit-head h2,.ownership-grid strong{display:block;margin-bottom:20px}
  .circuit-jobs{grid-template-columns:1fr}
  .circuit-job,.circuit-job:first-child,.circuit-job:last-child{padding:24px 0;border-right:0;border-bottom:1px solid rgba(255,255,255,.28)}
  .circuit-job:last-child{border-bottom:0}
  .synthesis-current .current-row h3{margin-bottom:12px}
  .ownership-grid p{margin-top:16px}
}

@media (max-width:520px){
  .hire-ledger-row{grid-template-columns:1fr;gap:7px;align-items:start}
}

@media (prefers-reduced-motion:reduce){
  .path-mark{transition:none}
}