/* ==========================================================================
   Brutlabs LLC — design system
   Semantic colour rule used site-wide:
     teal  = machine / agent action
     amber = human decision point (approval, review, consult)
     red   = fault / current-state pain
   Monospace = anything the machine produced. Sans = anything a human wrote.
   ========================================================================== */

:root{
  /* surfaces */
  --paper:        #EFF1EE;
  --paper-2:      #E4E8E3;
  --paper-3:      #F8F9F7;
  --console:      #14191E;
  --console-2:    #1B2229;
  --console-3:    #232C34;

  /* type */
  --text:         #12161A;
  --text-2:       #58636D;
  --text-3:       #7C8791;
  --text-inv:     #E9EDE9;
  --text-inv-2:   #97A3AC;

  /* rules */
  --rule:         #D0D6CF;
  --rule-2:       #BFC7BE;
  --rule-dark:    #2B343C;

  /* signals */
  --agent:        #0C8078;
  --agent-lit:    #3FD8C8;
  --human:        #A96A08;
  --human-lit:    #F2B75C;
  --fault:        #A33726;
  --fault-lit:    #FF8468;

  /* type stacks */
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body:    "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* scale */
  --step-h1: clamp(2.35rem, 1.3rem + 3.9vw, 4.15rem);
  --step-h2: clamp(1.8rem, 1.25rem + 2.1vw, 2.85rem);
  --step-h3: clamp(1.2rem, 1.05rem + .6vw, 1.5rem);
  --step-lead: clamp(1.06rem, 1rem + .34vw, 1.28rem);

  /* geometry */
  --gutter: 1.75rem;
  --max: 76rem;
  --rail: 3.5rem;
  --r-sm: 3px;
  --r-md: 5px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}

html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{
  font-family:var(--body);
  font-size:1.0625rem;
  line-height:1.62;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

:focus-visible{outline:2px solid var(--human);outline-offset:3px;border-radius:2px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--console);color:var(--text-inv);
  padding:.75rem 1.25rem;font-family:var(--mono);font-size:.8rem;
}
.skip:focus{left:0}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- layout primitives ---------- */
.shell{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}

.band{padding-block:clamp(3.5rem,7vw,6.5rem);position:relative}
.band--tight{padding-block:clamp(2.5rem,4.5vw,4rem)}
.band--paper2{background:var(--paper-2)}
.band--paper3{background:var(--paper-3)}
.band--console{background:var(--console);color:var(--text-inv)}
.band--console .band__label{color:var(--agent-lit)}
.band--console h2,.band--console h3{color:var(--text-inv)}
.band--console .lede,.band--console p{color:var(--text-inv-2)}

/* The rail: a hairline bus running down the left of every band with a node at
   the section head. Encodes the pipeline the whole company is built around. */
.band__head{position:relative;padding-left:var(--rail);max-width:52rem}
.band__head::before{
  content:"";position:absolute;left:.5rem;top:.45rem;bottom:-1.5rem;
  width:1px;background:var(--rule-2);
}
.band--console .band__head::before{background:var(--rule-dark)}
.band__head::after{
  content:"";position:absolute;left:.155rem;top:.4rem;
  width:.72rem;height:.72rem;background:var(--paper);
  border:1px solid var(--text);
}
.band--console .band__head::after{background:var(--console);border-color:var(--agent-lit)}
.band--paper2 .band__head::after{background:var(--paper-2)}
.band--paper3 .band__head::after{background:var(--paper-3)}

.band__label{
  font-family:var(--mono);font-size:.72rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--agent);
  display:block;margin-bottom:.9rem;
}

@media (max-width:40em){
  .band__head{padding-left:0}
  .band__head::before,.band__head::after{display:none}
}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--display);font-weight:700;letter-spacing:-.028em;line-height:1.07}
h1{font-size:var(--step-h1)}
h2{font-size:var(--step-h2);line-height:1.1}
h3{font-size:var(--step-h3);letter-spacing:-.02em;line-height:1.2}
h4{font-size:1.02rem;letter-spacing:-.012em}

.lede{
  font-size:var(--step-lead);line-height:1.55;color:var(--text-2);
  max-width:44ch;margin-top:1.15rem;
}
.prose p{max-width:66ch;margin-top:1.05rem;color:var(--text-2)}
.prose h3{margin-top:2.4rem}
.prose h2{margin-top:3rem}
.prose ul{margin-top:1.05rem;max-width:66ch}
.prose li{position:relative;padding-left:1.5rem;margin-top:.5rem;color:var(--text-2)}
.prose li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:.5rem;height:1px;background:var(--agent);
}
.prose strong{color:var(--text);font-weight:600}
.prose a{color:var(--agent);text-decoration:underline;text-underline-offset:.18em;text-decoration-thickness:1px}
.prose a:hover{color:var(--text)}

/* ordered lists: numbered because the order is real, per the type system */
.prose ol{margin-top:1.05rem;max-width:66ch;counter-reset:prose-ol}
.prose ol>li{counter-increment:prose-ol}
.prose ol>li::before{
  content:counter(prose-ol,decimal-leading-zero);
  top:0;left:0;width:auto;height:auto;background:none;
  font-family:var(--mono);font-size:.72rem;color:var(--agent);
}

/* machine output gets the console treatment and the mono face */
.prose pre{
  margin-top:1.4rem;max-width:78ch;overflow-x:auto;
  background:var(--console);border:1px solid var(--rule-dark);
  border-left:2px solid var(--agent);padding:1rem 1.15rem;
}
.prose pre code{
  font-family:var(--mono);font-size:.82rem;line-height:1.65;
  color:var(--text-inv);white-space:pre;background:none;padding:0;border:0;
}
.prose :not(pre)>code{
  font-family:var(--mono);font-size:.86em;color:var(--text);
  background:var(--paper-2);border:1px solid var(--rule);padding:.08em .34em;
}

.mono-note{
  font-family:var(--mono);font-size:.76rem;letter-spacing:.05em;
  color:var(--text-3);text-transform:uppercase;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--mono);font-size:.82rem;font-weight:500;
  letter-spacing:.06em;text-transform:uppercase;
  padding:.95rem 1.4rem;border:1px solid transparent;border-radius:var(--r-sm);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--console);color:var(--text-inv);border-color:var(--console)}
.btn--primary:hover{background:var(--agent);border-color:var(--agent)}
.btn--human{background:var(--human);color:#fff;border-color:var(--human)}
.btn--human:hover{background:#8d5806;border-color:#8d5806}
.btn--line{border-color:var(--rule-2);color:var(--text)}
.btn--line:hover{border-color:var(--text);background:rgba(0,0,0,.03)}
.btn--line-inv{border-color:var(--rule-dark);color:var(--text-inv)}
.btn--line-inv:hover{border-color:var(--agent-lit);color:var(--agent-lit)}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(3px)}

.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}

/* ---------- header ---------- */
.masthead{
  position:sticky;top:0;z-index:100;
  background:rgba(239,241,238,.88);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--rule);
}
.masthead__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:1.5rem;height:4.4rem;
}
.wordmark{display:flex;align-items:center;gap:.6rem;font-family:var(--display);font-weight:700;font-size:1.15rem;letter-spacing:-.03em}
.wordmark svg{width:1.6rem;height:1.6rem;flex:none}
.wordmark .llc{font-family:var(--mono);font-size:.6rem;font-weight:500;letter-spacing:.14em;color:var(--text-3);align-self:flex-start;margin-top:.15rem}

.mainnav ul{display:flex;align-items:center;gap:1.7rem}
.mainnav a{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.05em;
  color:var(--text-2);padding-block:.3rem;position:relative;
}
.mainnav a:hover,.mainnav a[aria-current="page"]{color:var(--text)}
.mainnav a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-.15rem;height:1px;background:var(--agent);
}
.masthead .btn{padding:.7rem 1.1rem;font-size:.76rem}

.navtoggle{display:none;padding:.5rem;border:1px solid var(--rule-2);border-radius:var(--r-sm)}
.navtoggle svg{width:1.1rem;height:1.1rem}

@media (max-width:56rem){
  .navtoggle{display:block}
  .masthead__cta{display:none}
  .mainnav{
    position:absolute;left:0;right:0;top:100%;
    background:var(--paper);border-bottom:1px solid var(--rule);
    padding:1rem var(--gutter) 1.5rem;display:none;
  }
  .mainnav[data-open="true"]{display:block}
  .mainnav ul{flex-direction:column;align-items:stretch;gap:0}
  .mainnav li{border-bottom:1px solid var(--rule)}
  .mainnav a{display:block;padding:.85rem 0;font-size:.9rem}
}

/* ---------- hero ---------- */
.hero{background:var(--console);color:var(--text-inv);position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--rule-dark) 1px,transparent 1px),
                   linear-gradient(90deg,var(--rule-dark) 1px,transparent 1px);
  background-size:4.5rem 4.5rem;
  mask-image:radial-gradient(115% 85% at 78% 8%,#000 0%,transparent 68%);
  opacity:.55;pointer-events:none;
}
.hero__inner{position:relative;display:grid;gap:clamp(2.5rem,4vw,3.5rem);padding-block:clamp(3.2rem,6vw,5.2rem)}
@media (min-width:64rem){
  .hero__inner{grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);align-items:center}
}
.hero__kicker{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--agent-lit);
  display:flex;align-items:center;gap:.6rem;margin-bottom:1.4rem;
}
.hero__kicker::before{content:"";width:1.8rem;height:1px;background:var(--agent-lit)}
.hero h1{color:var(--text-inv);max-width:16ch}
.hero h1 em{font-style:normal;color:var(--agent-lit)}
.hero .lede{color:var(--text-inv-2);max-width:46ch}

.hero__proof{
  display:flex;flex-wrap:wrap;gap:0;margin-top:2.6rem;
  border-top:1px solid var(--rule-dark);
}
.hero__proof div{
  padding:1rem 1.5rem 0 0;margin-right:1.5rem;
  border-right:1px solid var(--rule-dark);
}
.hero__proof div:last-child{border-right:0;margin-right:0}
.hero__proof b{
  display:block;font-family:var(--display);font-size:1.65rem;
  font-weight:700;letter-spacing:-.03em;color:var(--text-inv);line-height:1;
}
.hero__proof span{
  display:block;margin-top:.4rem;font-family:var(--mono);
  font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;color:var(--text-inv-2);
}

/* ---------- SIGNATURE: the trace ---------- */
.trace{
  background:var(--console-2);border:1px solid var(--rule-dark);
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.4);
}
.trace__bar{
  display:flex;align-items:center;gap:.75rem;
  padding:.7rem 1rem;background:var(--console-3);
  border-bottom:1px solid var(--rule-dark);
  font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:var(--text-inv-2);
}
.trace__live{display:flex;align-items:center;gap:.4rem;color:var(--agent-lit)}
.trace__live i{
  width:.4rem;height:.4rem;border-radius:50%;background:var(--agent-lit);
  animation:blip 1.8s ease-in-out infinite;
}
@keyframes blip{0%,100%{opacity:1}50%{opacity:.25}}
.trace__id{margin-left:auto}

/* taps = the four pipeline sources the agent reads */
.trace__taps{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-bottom:1px solid var(--rule-dark);
}
.tap{
  padding:.7rem .5rem;text-align:center;
  border-right:1px solid var(--rule-dark);
  font-family:var(--mono);font-size:.63rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--text-inv-2);
  transition:color .25s ease,background .25s ease;position:relative;
}
.tap:last-child{border-right:0}
.tap::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--agent-lit);transform:scaleX(0);transition:transform .3s ease;
}
.tap[data-on="true"]{color:var(--agent-lit);background:rgba(63,216,200,.07)}
.tap[data-on="true"]::after{transform:scaleX(1)}

.trace__body{display:grid;gap:0}
@media (min-width:36rem){.trace__body{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}}

.trace__evidence{
  padding:1rem;font-family:var(--mono);font-size:.73rem;line-height:1.5;
  min-height:15.5rem;border-right:1px solid var(--rule-dark);
}
.ev{display:grid;grid-template-columns:auto auto 1fr;gap:.6rem;padding-block:.32rem;opacity:0}
.ev[data-shown="true"]{animation:evIn .3s ease forwards}
@keyframes evIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.ev time{color:#5C6870}
.ev .src{color:var(--agent-lit);white-space:nowrap}
.ev .msg{color:var(--text-inv)}
.ev .msg b{color:var(--fault-lit);font-weight:500}

.trace__verdict{padding:1rem;display:flex;flex-direction:column;gap:.85rem}
.verdict-block{opacity:.18;transition:opacity .4s ease}
.verdict-block[data-shown="true"]{opacity:1}
.verdict-block h4{
  font-family:var(--mono);font-size:.63rem;font-weight:500;letter-spacing:.13em;
  text-transform:uppercase;color:var(--text-inv-2);margin-bottom:.35rem;
}
.verdict-block p{font-size:.85rem;line-height:1.45;color:var(--text-inv);font-family:var(--body)}
.verdict-block code{font-family:var(--mono);font-size:.78rem;color:var(--agent-lit)}
.gate{
  margin-top:auto;border:1px solid var(--human);border-radius:var(--r-sm);
  padding:.7rem .85rem;background:rgba(242,183,92,.08);
}
.gate span{
  display:block;font-family:var(--mono);font-size:.63rem;letter-spacing:.11em;
  text-transform:uppercase;color:var(--human-lit);margin-bottom:.25rem;
}
.gate strong{font-family:var(--body);font-size:.85rem;font-weight:600;color:var(--text-inv)}

.trace__foot{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.6rem 1rem;border-top:1px solid var(--rule-dark);background:var(--console-3);
  font-family:var(--mono);font-size:.68rem;color:var(--text-inv-2);flex-wrap:wrap;
}
.replay{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.07em;text-transform:uppercase;
  color:var(--agent-lit);display:inline-flex;align-items:center;gap:.4rem;
}
.replay:hover{color:var(--text-inv)}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:2.75rem}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
@media (min-width:44rem){.grid--2,.grid--3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:64rem){.grid--3{grid-template-columns:repeat(3,1fr)}}
#foundation .cell:last-child:nth-child(2n+1){grid-column:1/3}
@media (min-width:64rem){#foundation .cell:last-child:nth-child(3n+2){grid-column:2/4}}
.cell{background:var(--paper);padding:1.6rem 1.5rem;display:flex;flex-direction:column}
.band--paper2 .cell{background:var(--paper-2)}
.band--paper3 .cell{background:var(--paper-3)}
.cell__idx{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;
  color:var(--text-3);margin-bottom:.85rem;
}
.cell h3{margin-bottom:.55rem}
.cell p{color:var(--text-2);font-size:.97rem}
.cell__link{
  margin-top:1.1rem;font-family:var(--mono);font-size:.73rem;letter-spacing:.07em;
  text-transform:uppercase;color:var(--agent);display:inline-flex;gap:.4rem;align-items:center;
}
.cell--link{transition:background .18s ease}
.cell--link:hover{background:var(--paper-3)}
.band--paper3 .cell--link:hover{background:#fff}
.cell--link:hover .cell__link{color:var(--text)}
.cell--link:hover .arrow{transform:translateX(3px)}

/* fault cells (current-state pain) */
.cell--fault .cell__idx{color:var(--fault)}
.cell--fault h3{color:var(--text)}

/* dark grid variant */
.band--console .grid{background:var(--rule-dark);border-color:var(--rule-dark)}
.band--console .cell{background:var(--console)}
.band--console .cell p{color:var(--text-inv-2)}
.band--console .cell__idx{color:var(--agent-lit)}

/* ---------- capability list (agent abilities) ---------- */
.caps{margin-top:2.75rem;border-top:1px solid var(--rule-dark)}
.cap{
  display:grid;gap:.35rem 1.5rem;padding-block:1.35rem;
  border-bottom:1px solid var(--rule-dark);
}
@media (min-width:48rem){.cap{grid-template-columns:auto minmax(0,18rem) minmax(0,1fr);align-items:baseline}}
.cap__n{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;color:var(--agent-lit)}
.cap h3{font-size:1.1rem;color:var(--text-inv)}
.cap p{color:var(--text-inv-2);font-size:.97rem;max-width:56ch}

/* ---------- comparison ---------- */
.compare{margin-top:2.75rem;border:1px solid var(--rule);background:var(--paper-3)}
.compare__row{
  display:grid;grid-template-columns:1fr auto auto;gap:.75rem 1.25rem;
  padding:.95rem 1.25rem;border-bottom:1px solid var(--rule);align-items:center;
}
.compare__row:last-child{border-bottom:0}
.compare__row--head{background:var(--paper-2)}
.compare__row--head span{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--text-3);
}
.compare__row--head .before{color:var(--fault)}
.compare__row--head .after{color:var(--agent)}
.compare__label{font-size:.97rem;color:var(--text)}
.compare .val{
  font-family:var(--mono);font-size:.88rem;text-align:right;min-width:7.5rem;
}
.compare .val.before{color:var(--fault)}
.compare .val.after{color:var(--agent);font-weight:500}
@media (max-width:40em){
  .compare__row{grid-template-columns:1fr auto}
  .compare__row .val.before{grid-column:2}
  .compare__row .val.after{grid-column:2}
  .compare__row--head .before,.compare__row--head .after{display:none}
  .compare .val::before{
    content:attr(data-tag);font-size:.62rem;letter-spacing:.1em;
    text-transform:uppercase;color:var(--text-3);margin-right:.5rem;
  }
}

/* ---------- sequence (the framework — genuinely ordered) ---------- */
.sequence{margin-top:2.75rem;display:grid;gap:1px;background:var(--rule-dark);border:1px solid var(--rule-dark)}
@media (min-width:52rem){.sequence{grid-template-columns:repeat(4,1fr)}}
.stage{background:var(--console);padding:1.5rem 1.35rem;position:relative}
.stage__n{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;
  color:var(--agent-lit);display:flex;align-items:center;gap:.5rem;margin-bottom:.9rem;
}
.stage__n::after{content:"";flex:1;height:1px;background:var(--rule-dark)}
.stage h3{font-size:1.08rem;color:var(--text-inv);margin-bottom:.45rem}
.stage p{font-size:.92rem;color:var(--text-inv-2)}

/* ---------- flow (numbered step diagram) ---------- */
.flow{margin-top:2.75rem;display:grid;grid-template-columns:1fr;gap:2.5rem 0}
@media (min-width:48rem){.flow{grid-template-columns:repeat(3,1fr);gap:3rem 1.5rem}}
.flow__step{position:relative}
.flow__node{
  width:2.5rem;height:2.5rem;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:.85rem;font-weight:600;
  border:1.5px solid var(--agent-lit);color:var(--agent-lit);
  background:var(--console-2);margin-bottom:.9rem;
}
.flow__step[data-kind="human"] .flow__node{border-color:var(--human-lit);color:var(--human-lit)}
.flow__label{
  display:block;font-family:var(--mono);font-size:.65rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--text-inv-2);margin-bottom:.35rem;
}
.flow__step[data-kind="human"] .flow__label{color:var(--human-lit)}
.flow__body h3{font-size:1.05rem;color:var(--text-inv);margin-bottom:.4rem}
.flow__body p{font-size:.92rem;color:var(--text-inv-2)}
.flow__step:not(:last-child)::after{
  content:"\2193";position:absolute;left:1.15rem;bottom:-1.85rem;
  font-family:var(--mono);color:var(--text-3);font-size:1.1rem;line-height:1;
}
@media (min-width:48rem){
  .flow__step:not(:nth-child(3n)):not(:last-child)::after{
    content:"\2192";left:auto;right:-1.9rem;bottom:auto;top:.95rem;
  }
}
.flow__chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.9rem}
.flow__chip{
  display:inline-flex;align-items:center;gap:.4rem;
  border:1px solid var(--rule-dark);border-radius:999px;
  padding:.3rem .65rem .3rem .5rem;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.03em;
  color:var(--text-inv-2);
}
.flow__chip svg{width:13px;height:13px;flex-shrink:0;color:var(--agent-lit)}
.flow__chip b{font-weight:500;color:var(--text-inv)}

/* ---------- block diagram (the agent and its ecosystem) ---------- */
.dgm{margin-top:2.75rem;display:grid;gap:2.5rem}
.dgm__stage{
  position:relative;border:1px solid var(--rule-dark);
  background:var(--console-2);padding:1.1rem 1.1rem 1.2rem;
}
.dgm__stage[data-kind="agent"]{border-color:var(--agent)}
.dgm__stage[data-kind="human"]{border-color:var(--human)}
.dgm__label{
  display:block;font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-inv-2);margin-bottom:.85rem;
}
.dgm__stage[data-kind="agent"] .dgm__label{color:var(--agent-lit)}
.dgm__stage[data-kind="human"] .dgm__label{color:var(--human-lit)}
.dgm__blocks{
  display:grid;gap:1px;background:var(--rule-dark);border:1px solid var(--rule-dark);
}
@media (min-width:46rem){.dgm__blocks{grid-template-columns:repeat(3,1fr)}}
.dgm__block{background:var(--console);padding:.9rem 1rem}
.dgm__block b{
  display:block;font-size:.95rem;font-weight:600;color:var(--text-inv);margin-bottom:.3rem;
}
.dgm__block span{display:block;font-size:.85rem;line-height:1.45;color:var(--text-inv-2)}
.dgm__stage[data-link]::after{
  content:"\2193";position:absolute;left:50%;transform:translateX(-50%);bottom:-1.95rem;
  font-family:var(--mono);font-size:1.15rem;line-height:1;color:var(--text-3);
}
.dgm__stage[data-link="both"]::after{content:"\2195"}

/* ---------- stack (tools) ---------- */
.stack-tabs{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:2.5rem}
.stack-tab{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;
  padding:.65rem 1rem;border:1px solid var(--rule);border-radius:var(--r-sm);
  color:var(--text-2);background:var(--paper-3);transition:.16s;
}
.stack-tab:hover{border-color:var(--text-3)}
.stack-tab[aria-selected="true"]{background:var(--console);color:var(--text-inv);border-color:var(--console)}
.stack-panel{margin-top:1.5rem}
.stack-panel[hidden]{display:none}
.stack-panel > p{color:var(--text-2);max-width:60ch;margin-bottom:1.5rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{
  font-family:var(--mono);font-size:.76rem;padding:.5rem .8rem;
  border:1px solid var(--rule-2);border-radius:var(--r-sm);
  background:var(--paper-3);color:var(--text);
}
.chip em{font-style:normal;color:var(--text-3);margin-left:.45rem;font-size:.7rem}

/* ---------- FAQ ---------- */
.faq{margin-top:2.5rem;border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{
  display:flex;gap:1rem;align-items:flex-start;justify-content:space-between;
  padding:1.15rem 0;cursor:pointer;font-family:var(--display);
  font-weight:600;font-size:1.02rem;letter-spacing:-.015em;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--agent);font-weight:400;flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:1.25rem;color:var(--text-2);max-width:66ch}

/* ---------- CTA ---------- */
.endcap{background:var(--console);color:var(--text-inv);position:relative;overflow:hidden}
.endcap::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--rule-dark) 1px,transparent 1px),linear-gradient(90deg,var(--rule-dark) 1px,transparent 1px);
  background-size:4.5rem 4.5rem;
  mask-image:radial-gradient(100% 90% at 50% 0%,#000,transparent 70%);opacity:.5;
}
.endcap .shell{position:relative}
.endcap h2{color:var(--text-inv);max-width:20ch}
.endcap .lede{color:var(--text-inv-2)}

/* A band's closing line — a beat apart from the lede above it. */
.band__note{
  margin-top:.9rem;font-family:var(--mono);font-size:.8rem;letter-spacing:.02em;
  color:var(--agent);
}
.endcap .band__note{color:var(--agent-lit)}

/* ---------- form ---------- */
.form{margin-top:2.5rem;max-width:34rem}
.field{margin-bottom:1.25rem}
.field label{
  display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--text-2);margin-bottom:.45rem;
}
.field label .req{color:var(--fault)}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--body);font-size:1rem;color:var(--text);
  background:var(--paper-3);border:1px solid var(--rule-2);border-radius:var(--r-sm);
  padding:.75rem .85rem;transition:border-color .16s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--agent);outline:none}
.field textarea{min-height:7rem;resize:vertical}
.field__hint{font-family:var(--mono);font-size:.68rem;color:var(--text-3);margin-top:.4rem}
.form__status{margin-top:1rem;font-family:var(--mono);font-size:.78rem}
.form__status[data-state="ok"]{color:var(--agent)}
.form__status[data-state="err"]{color:var(--fault)}

/* ---------- contact aside ---------- */
.contact-layout{display:grid;gap:3rem}
@media (min-width:56rem){.contact-layout{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:4rem}}
.contact-aside{border-left:1px solid var(--rule);padding-left:2rem}
@media (max-width:56rem){.contact-aside{border-left:0;padding-left:0;border-top:1px solid var(--rule);padding-top:2rem}}
.contact-aside h3{margin-bottom:.6rem}
.contact-aside p{color:var(--text-2);font-size:.97rem;margin-bottom:1.5rem}
.contact-aside dt{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.11em;
  text-transform:uppercase;color:var(--text-3);margin-top:1.25rem;
}
.contact-aside dd{margin:.3rem 0 0;font-size:.97rem}
.contact-aside dd a{color:var(--agent);text-decoration:underline;text-underline-offset:.18em}

/* ---------- breadcrumb ---------- */
.crumbs{padding-top:1.5rem}
.crumbs ol{display:flex;flex-wrap:wrap;gap:.45rem;font-family:var(--mono);font-size:.7rem;color:var(--text-3)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--agent)}
.crumbs li::after{content:"/";margin-left:.45rem;color:var(--rule-2)}
.crumbs li:last-child::after{content:""}

/* ---------- article ---------- */
.article-head{max-width:48rem}
.article-meta{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;
  color:var(--text-3);margin-top:1.25rem;display:flex;gap:1rem;flex-wrap:wrap;
}
.post-list{margin-top:2.5rem;border-top:1px solid var(--rule)}
.post{display:block;padding:1.6rem 0;border-bottom:1px solid var(--rule);transition:padding-left .2s ease}
.post:hover{padding-left:.6rem}
.post h3{margin-bottom:.4rem}
.post p{color:var(--text-2);font-size:.97rem;max-width:66ch}
.post .article-meta{margin-top:.7rem}

/* ---------- footer ---------- */
.footer{background:var(--console);color:var(--text-inv-2);padding-block:3.5rem 2rem;font-size:.93rem}
.footer__grid{display:grid;gap:2.25rem}
@media (min-width:48rem){.footer__grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer h4{
  font-family:var(--mono);font-size:.68rem;font-weight:500;letter-spacing:.13em;
  text-transform:uppercase;color:var(--text-inv);margin-bottom:1rem;
}
.footer a{color:var(--text-inv-2);display:block;padding-block:.3rem}
.footer a:hover{color:var(--agent-lit)}
.footer .wordmark{color:var(--text-inv);margin-bottom:.9rem}
.footer__brand p{max-width:30ch;font-size:.93rem;color:var(--text-inv-2)}
.footer__base{
  margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--rule-dark);
  display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;justify-content:space-between;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;color:var(--text-3);
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .ev{opacity:1}
  .verdict-block{opacity:1}
}

/* ---------- print ---------- */
@media print{
  .masthead,.footer,.trace,.btn-row{display:none}
  body{background:#fff;color:#000}
}