/* ============================================================
   Master Data Wrangler — design system
   Tokens, type, and components per the design handoff
   (design_handoff_masterdatawrangler / README.md).
   No border radius, no soft shadows: hard rules, hard offsets.
   ============================================================ */

:root{
  --bg:#e7eaee;
  --ink:#13161a;
  --surface:#fafbfc;
  --text:#2c3238;
  --muted:#5a636c;
  --muted2:#98a1aa;
  --dotted:#b9c1c8;
  --footnote:#868f98;

  --accent:oklch(58% 0.16 55);
  --accent-link:oklch(50% 0.16 55);
  --accent-hover:oklch(40% 0.18 55);
  --accent-lift:oklch(75% 0.16 55);
  --chev:oklch(55% 0.18 45);

  --pillar-ai:oklch(55% 0.13 30);
  --pillar-crm:oklch(55% 0.13 250);
  --pillar-data:oklch(55% 0.13 150);
  --pillar-growth:oklch(55% 0.13 300);

  --night:#111;
  --night-ink:#e7eaee;
  --night-muted:#8a939c;

  --mono:'Space Mono',ui-monospace,monospace;
  --sans:'IBM Plex Sans',system-ui,sans-serif;
  --hand:'Caveat',ui-rounded,cursive;

  --gutter:40px;
  --shell:1200px;
  color-scheme:light;
}
html[data-theme="dark"]{
  --bg:oklch(17% 0.016 250);
  --ink:oklch(92% 0.01 250);
  --surface:oklch(22% 0.018 250);
  --text:oklch(85% 0.01 250);
  --muted:oklch(66% 0.012 250);
  --muted2:oklch(56% 0.012 250);
  --dotted:oklch(41% 0.012 250);
  --footnote:oklch(51% 0.012 250);
  --accent:oklch(70% 0.16 55);
  --accent-link:oklch(75% 0.16 55);
  --accent-hover:oklch(85% 0.13 55);
  --chev:oklch(72% 0.17 45);
  --pillar-ai:oklch(62% 0.13 30);
  --pillar-crm:oklch(62% 0.13 250);
  --pillar-data:oklch(62% 0.13 150);
  --pillar-growth:oklch(62% 0.13 300);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);
  transition:background .2s ease,color .2s ease;
}
p{text-wrap:pretty}
a{color:var(--accent-link);text-decoration:underline}
a:hover{color:var(--accent-hover)}
button,input,textarea{font:inherit;color:inherit}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
::selection{background:var(--accent);color:#fff}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}

.site-shell{min-height:100vh;display:flex;flex-direction:column}
.site-main{flex:1;width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--gutter)}
.bleed{margin-left:calc(var(--gutter) * -1);margin-right:calc(var(--gutter) * -1);padding-left:var(--gutter);padding-right:var(--gutter)}

/* --- shared type ---------------------------------------------------- */
.mono,.eyebrow,.kicker,.rule-title,.chip,.btn,.badge,.meta{font-family:var(--mono)}
.rule-title{font:700 15px/1 var(--mono);letter-spacing:2px;margin:0 0 8px;border-bottom:2px solid var(--ink);padding-bottom:8px}
.section-lede{margin:0 0 24px;font:12.5px/1.5 var(--mono);letter-spacing:.5px;color:var(--muted)}
.eyebrow{font:700 11px/1.3 var(--mono);letter-spacing:1.5px;color:var(--muted);text-transform:uppercase}
.blink{animation:blink 1s step-end infinite;color:var(--chev)}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}
@keyframes arrowShift{0%,100%{transform:translateX(0)}50%{transform:translateX(3px)}}
@keyframes ropeDraw{0%{stroke-dashoffset:1}42%,100%{stroke-dashoffset:0}}
@keyframes tailDraw{0%,20%{stroke-dashoffset:40}55%,100%{stroke-dashoffset:0}}
@keyframes nodePop{0%,45%{opacity:0;transform:scale(.2)}62%{opacity:1;transform:scale(1.35)}75%,100%{opacity:1;transform:scale(1)}}
@keyframes steam{0%{opacity:0;transform:translateY(2px) scaleX(.9)}35%{opacity:.85}100%{opacity:0;transform:translateY(-9px) scaleX(1.15)}}
@keyframes flicker{0%,100%{transform:rotate(-45deg) scale(1);opacity:1}45%{transform:rotate(-45deg) scale(1.18,.88);opacity:.82}70%{transform:rotate(-45deg) scale(.92,1.12);opacity:.95}}

/* --- buttons and chips ---------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  padding:14px 22px;border:2px solid var(--ink);background:var(--surface);color:var(--ink);
  font:700 13px/1 var(--mono);letter-spacing:1px;text-decoration:none;
  transition:transform .15s ease,box-shadow .15s ease;
}
.btn:hover{color:var(--ink);transform:translate(-3px,-3px);box-shadow:5px 5px 0 var(--ink)}
.btn-solid{background:var(--ink);color:var(--bg)}
.btn-solid:hover{color:var(--bg);box-shadow:5px 5px 0 var(--chev)}
.btn-accent{background:oklch(72% 0.17 55);border-color:var(--ink);color:#111}
.btn-accent:hover{color:#111;box-shadow:5px 5px 0 var(--ink)}
.btn-sm{padding:9px 14px;font-size:11.5px}
.text-link{font:700 13px/1 var(--mono);text-decoration:underline;color:var(--ink);cursor:pointer;border:0;background:none;padding:0}
.text-link:hover{color:var(--accent-link)}
.chip{
  cursor:pointer;padding:5px 10px;border:2px solid var(--dotted);background:transparent;color:var(--ink);
  font:700 10.5px/1.35 var(--mono);letter-spacing:.5px;text-decoration:none;
  transition:transform .12s ease;
}
.chip:hover{transform:translate(-2px,-2px);color:var(--ink)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.chip[data-pillar].is-active{background:var(--pillar,var(--ink));border-color:var(--pillar,var(--ink));color:#fff}
.badge{display:inline-block;background:var(--pillar,var(--accent));color:#fff;padding:3px 8px;font:700 11px/1.35 var(--mono);white-space:nowrap}
.stack-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.stack-row span{border:2px solid var(--ink);background:var(--surface);padding:4px 9px;font:700 11px/1.4 var(--mono)}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;background:var(--accent)}
.glyph-page{display:inline-block;width:9px;height:11px;border:1px solid currentColor}
.glyph-clock{display:inline-block;width:9px;height:9px;border:1px solid currentColor;border-radius:50%}
.dot-live{background:oklch(60% 0.15 145)}

/* --- header ---------------------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:20;background:var(--bg);
  border-bottom:3px solid var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 28px;flex-wrap:wrap;
}
.logo-lockup{
  display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);
  transition:transform .15s ease;
}
.logo-lockup:hover{color:var(--ink);transform:translate(-2px,-2px);--rope:var(--accent-link)}
.logo-mark{flex:none;overflow:visible}
.logo-mark .rope,.logo-mark .tail{transition:stroke .15s ease}
.logo-words{display:flex;flex-direction:column;gap:3px}
.logo-name{font:700 15px/1 var(--mono);letter-spacing:-.4px}
.logo-name em{font-style:normal;color:var(--accent)}
.logo-descriptor{font:700 8.5px/1 var(--mono);letter-spacing:2.4px;white-space:nowrap;color:var(--muted)}
.theme-toggle,.menu-toggle{
  cursor:pointer;border:2px solid var(--ink);background:transparent;color:var(--ink);
  font:700 11px/1 var(--mono);padding:6px 10px;display:flex;align-items:center;gap:6px;
  transition:transform .15s ease;
}
.theme-toggle:hover,.menu-toggle:hover{transform:translate(-2px,-2px)}
.menu-toggle{display:none}
.primary-nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;font:700 14px/1 var(--mono)}
.primary-nav a{position:relative;display:inline-block;padding-bottom:4px;border-bottom:2px solid transparent;color:var(--ink);text-decoration:none}
.primary-nav a:before{content:"\276F";color:var(--chev);opacity:0;margin-right:3px;transition:opacity .15s ease}
.primary-nav a:hover{color:var(--ink);text-decoration:underline}
.primary-nav a:hover:before{opacity:1}
.primary-nav .current-menu-item>a,.primary-nav a[aria-current]{color:var(--accent-link);border-bottom-color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:12px}
.visitor-counter{font:11px/1.35 var(--mono);background:var(--night);color:var(--accent-lift);padding:6px 10px;border:2px solid var(--ink);letter-spacing:2px;white-space:nowrap}

/* --- gutter rail (corner tick + dots + vertical caption) -------------- */
.grid-3{display:grid;grid-template-columns:24px 1.15fr 1fr;gap:48px;align-items:start}
.tick-rail{position:relative;height:100%;min-height:260px}
.tick-rail .tick{position:absolute;top:0;left:0;width:16px;height:16px;border-top:2px solid var(--accent);border-left:2px solid var(--accent)}
.tick-rail .dots{position:absolute;top:26px;left:6px;display:flex;flex-direction:column;gap:5px}
.tick-rail .dots span{width:3px;height:3px;border-radius:50%;background:var(--muted2)}
.tick-rail .rail-caption{
  position:absolute;bottom:0;left:2px;transform:rotate(180deg);writing-mode:vertical-rl;
  font:11px/1 var(--mono);letter-spacing:2px;color:var(--muted);white-space:nowrap;
}
.tick-rail .rail-caption b{color:var(--accent-link)}

/* --- home hero ------------------------------------------------------- */
.hero-section{padding:56px 0 0}
.hero-copy h1{font:clamp(32px,5vw,54px)/1.1 var(--mono);margin:0 0 18px}
.hero-copy>p{font-size:18px;line-height:1.6;max-width:520px;margin:0 0 22px}
.skill-chips{display:flex;flex-wrap:wrap;gap:10px;font:700 12px/1 var(--mono)}
.skill-chips span{
  border:2px solid var(--ink);background:var(--surface);padding:5px 10px;
  transition:transform .15s ease,box-shadow .15s ease;
}
.skill-chips span:hover{transform:translate(-2px,-2px);box-shadow:3px 3px 0 var(--ink)}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-note{margin-top:14px;font:11.5px/1.5 var(--mono);letter-spacing:.5px;color:var(--muted)}

.operator-card{border:2px solid var(--ink);background:var(--surface)}
.operator-card>header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 20px;border-bottom:2px solid var(--ink);font:700 12px/1 var(--mono);letter-spacing:1px}
.operator-card>header span{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
.operator-rows{padding:20px 24px;display:flex;flex-direction:column;gap:16px;font:12.5px/1.45 var(--mono)}
.operator-rows>div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dotted var(--dotted);padding-bottom:10px}
.operator-rows>div:last-child{border-bottom:0;padding-bottom:0}
.operator-rows b{flex:none;font-weight:700;color:var(--muted)}
.operator-rows span{text-align:right}
.accent-text{color:var(--accent-link);font-weight:700}
.operator-card>footer{background:var(--night);color:var(--accent-lift);padding:10px 20px;font:11px/1.4 var(--mono)}
.fuel-row{align-items:center}
.fuel-icons{display:flex;align-items:flex-end;gap:14px}
.mug,.lamp{position:relative;display:inline-flex;flex:none;width:28px;height:34px}
.mug i{position:absolute;top:2px;width:2.5px;height:9px;background:var(--muted2);border-radius:2px;animation:steam 2.4s ease-in-out infinite}
.mug i:nth-child(1){left:5px}
.mug i:nth-child(2){left:12px;animation-delay:.8s}
.mug i:nth-child(3){left:19px;animation-delay:1.6s}
.mug u{position:absolute;left:0;bottom:0;width:21px;height:16px;border:2px solid var(--ink);border-radius:0 0 6px 6px}
.mug s{position:absolute;right:0;bottom:4px;width:7px;height:9px;border:2px solid var(--ink);border-left:none;border-radius:0 5px 5px 0}
.lamp i{position:absolute;left:10px;top:2px;width:9px;height:9px;background:oklch(68% 0.19 55);border-radius:50% 50% 50% 0;transform:rotate(-45deg);animation:flicker 1.9s ease-in-out infinite}
.lamp u{position:absolute;left:10px;top:12px;width:6px;height:7px;border:2px solid var(--ink);border-bottom:none}
.lamp s{position:absolute;left:2px;bottom:0;width:24px;height:13px;border:2px solid var(--ink);border-radius:9px 9px 4px 4px}

/* --- proof bar ------------------------------------------------------- */
.proof-bar{margin-top:48px;padding:0;background:var(--night);display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.proof-bar>div{padding:26px 28px;border-right:1px solid #2b2b2b}
.proof-bar>div:last-child{border-right:0}
.proof-value{font:700 34px/1 var(--mono);color:var(--accent-lift)}
.proof-label{margin-top:10px;font:700 10.5px/1.5 var(--mono);letter-spacing:1.5px;color:var(--night-muted)}

/* --- case study rail ------------------------------------------------- */
.case-section{padding:56px 0;border-bottom:3px solid var(--ink)}
.case-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:20px}
.case-lenses{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.case-lenses .eyebrow{flex:none}
.rail-nav{display:flex;gap:8px;font:700 13px/1 var(--mono)}
.rail-nav button{cursor:pointer;border:2px solid var(--ink);background:transparent;color:var(--ink);width:30px;height:30px;display:flex;align-items:center;justify-content:center;transition:transform .15s ease}
.rail-nav button:hover{transform:translate(-2px,-2px)}
.case-rail{display:flex;gap:16px;align-items:stretch}
.case-card{
  flex:1 1 0;min-width:62px;cursor:pointer;overflow:hidden;
  border:2px solid var(--ink);background:var(--surface);padding:20px;
  display:flex;flex-direction:column;gap:10px;
  transition:flex .3s ease,transform .15s ease,box-shadow .15s ease;
}
.case-card:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--ink);--play:running}
.case-card.is-active{flex:0 0 48%;min-width:0}
.case-open,.case-card.is-active .case-spine{display:none}
.case-card.is-active .case-open{display:flex;flex-direction:column;gap:10px;flex:1}
.case-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}
.case-top .tag{font:700 11px/1.3 var(--mono);letter-spacing:1px;color:var(--accent-link);white-space:nowrap}
.case-top time{font:11px/1.3 var(--mono);color:var(--muted);white-space:nowrap}
.case-open h3{margin:0;font-size:24px;line-height:1.25}
.case-open>p{margin:0;font-size:14px;line-height:1.55;color:var(--text)}
.case-metric{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 10px;border-left:3px solid var(--accent);padding-left:12px;margin:4px 0 2px}
.case-metric b{font:700 26px/1 var(--mono);white-space:nowrap}
.case-metric span{font:700 10.5px/1.4 var(--mono);letter-spacing:1px;color:var(--muted)}
.case-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:14px;border-top:1px dotted var(--dotted)}
.case-foot .status{display:flex;align-items:center;gap:6px;font:11px/1.3 var(--mono);color:var(--muted)}
.case-spine{flex:1;min-height:0;display:flex;align-items:flex-start;justify-content:flex-end;writing-mode:vertical-rl;transform:rotate(180deg)}
.case-spine h3{margin:0;font-size:15px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.empty-note{
  border:2px dashed var(--dotted);padding:32px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font:12.5px/1.5 var(--mono);color:var(--muted);margin-bottom:16px;
}

/* --- flow diagram ---------------------------------------------------- */
.flow-diagram{display:flex;align-items:center;flex-wrap:wrap;font:700 10.5px/1.2 var(--mono);margin-top:8px}
.flow-step{display:inline-flex;align-items:center;white-space:nowrap}
.flow-arrow{padding:0 4px;color:var(--chev);display:inline-block;animation:arrowShift 1.1s ease-in-out infinite;animation-play-state:var(--play,paused)}
.flow-node{border:2px solid var(--ink);padding:6px 8px;background:var(--bg)}

/* --- capabilities ---------------------------------------------------- */
.capability-section{padding:16px 0 56px}
.capability-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));border-top:2px solid var(--ink);border-left:2px solid var(--ink);margin-top:28px}
.capability-grid article{
  border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
  padding:22px;display:flex;flex-direction:column;gap:10px;background:var(--surface);
  transition:background .15s ease;
}
.capability-grid article:hover{background:var(--night);--cap-ink:var(--night-ink);--cap-num:var(--accent-lift)}
.capability-grid .num{font:700 11px/1 var(--mono);letter-spacing:2px;color:var(--cap-num,var(--accent-link))}
.capability-grid h3{margin:0;font:14px/1.3 var(--mono);letter-spacing:.5px;color:var(--cap-ink,var(--ink))}
.capability-grid p{margin:0;font-size:13.5px;line-height:1.55;color:var(--cap-ink,var(--text))}

/* --- log teasers (home) ---------------------------------------------- */
.home-log-section{padding:16px 0 96px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:0 0 8px;border-bottom:2px solid var(--ink);padding-bottom:8px}
.section-head h2{margin:0;font:700 15px/1 var(--mono);letter-spacing:2px}
.section-head a{font:11.5px/1 var(--mono);letter-spacing:1px;color:var(--muted);text-decoration:underline}
.section-head a:hover{color:var(--accent-link)}
.log-lenses{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.log-list{display:flex;flex-direction:column;border-top:2px solid var(--ink)}
.log-item{border-bottom:2px solid var(--ink)}
.log-summary{
  width:100%;display:flex;align-items:center;gap:20px;padding:26px 4px;
  background:transparent;border:0;text-align:left;cursor:pointer;
}
.log-summary .badge{flex:none}
.log-summary strong{flex:1;font-size:17px;font-weight:600}
.log-summary time{flex:none;font:12px/1 var(--mono);color:var(--muted)}
.log-summary .chevron{flex:none;color:var(--chev);font-weight:700;font-size:14px}
.log-item.is-open .chevron{transform:rotate(180deg)}
.log-details{display:none;padding:4px 4px 34px;grid-template-columns:1fr;gap:20px;align-items:start}
.log-item.is-open .log-details{display:grid}
.log-item.has-ascii.is-open .log-details{grid-template-columns:260px 1fr}
.log-details p{margin:0 0 14px;font-size:15px;line-height:1.6;color:var(--text)}
.log-meta{display:flex;flex-wrap:wrap;gap:16px;font:12px/1.4 var(--mono);color:var(--muted)}
.log-meta span{display:flex;align-items:center;gap:5px}
.log-details .btn{margin-top:18px}
.ascii-art{
  margin:0;border:2px solid var(--ink);background:var(--surface);padding:14px;
  font:12px/1.5 var(--mono);white-space:pre;overflow:auto;
}

/* --- engagements ----------------------------------------------------- */
.engagement-section{padding:0 0 72px}
.engagement-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.engagement{
  position:relative;border:2px solid var(--ink);background:var(--surface);color:var(--ink);
  padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:transform .15s ease,box-shadow .15s ease;
}
.engagement:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--ink)}
.engagement.is-featured{background:var(--night);color:var(--night-ink);--tier-accent:var(--accent-lift);--tier-rule:#3a3a3a}
.engagement .flag{
  position:absolute;top:-13px;left:18px;background:oklch(72% 0.17 55);color:#111;border:2px solid var(--ink);
  padding:3px 9px;font:700 10px/1.3 var(--mono);letter-spacing:1.5px;
}
.engagement .meta{font:700 10.5px/1.4 var(--mono);letter-spacing:1px;color:var(--tier-accent,var(--accent-link))}
.engagement h3{margin:0;font-size:20px;line-height:1.25}
.engagement>p{margin:0;font-size:14px;line-height:1.55;opacity:.92}
.engagement ul{
  list-style:none;margin:0;padding:12px 0 0;display:flex;flex-direction:column;gap:7px;
  border-top:1px dotted var(--tier-rule,var(--dotted));font:12px/1.45 var(--mono);opacity:.72;
}
.engagement .start{margin-top:auto;padding-top:14px;font:700 12.5px/1 var(--mono);text-decoration:underline;color:inherit}
.engagement .start:hover{color:var(--tier-accent,var(--accent-link))}

/* --- closing bands --------------------------------------------------- */
.cta-band{
  background:var(--night);color:var(--night-ink);padding:56px var(--gutter);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;
}
.cta-band h2{margin:0 0 10px;font:clamp(22px,3vw,32px)/1.2 var(--mono)}
.cta-band p{margin:0;font-size:15px;line-height:1.6;color:#a9b3bd;max-width:560px}
.cta-band .blink{color:oklch(70% 0.18 45)}
.terminal-band{
  background:var(--night);color:var(--accent-lift);padding:20px var(--gutter);margin-bottom:64px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
  font:12px/1.4 var(--mono);border-top:1px solid #333;
}
.terminal-band a{color:var(--night-ink);text-decoration:underline}
.terminal-band a:hover{color:oklch(70% 0.18 45)}

/* --- footer ---------------------------------------------------------- */
.site-footer{border-top:3px solid var(--ink);padding:56px var(--gutter)}
.footer-grid{max-width:var(--shell);margin:0 auto;display:grid;grid-template-columns:1.1fr 1fr .85fr;gap:40px;align-items:start}
.footer-panel h2{margin:0 0 14px;font:700 14px/1 var(--mono);letter-spacing:1px}
.contact-form{display:flex;flex-direction:column;gap:10px}
.contact-form label{display:flex;align-items:center;gap:10px;border:2px solid var(--ink);padding:9px 10px;background:var(--surface)}
.contact-form label.is-block{align-items:flex-start}
.contact-form input,.contact-form textarea{flex:1;border:0;outline:0;background:transparent;font-family:var(--sans);font-size:14px;resize:vertical}
.field-icon{flex:none;position:relative;display:block}
.icon-user{width:14px;height:14px;border:2px solid var(--accent);border-radius:50%}
.icon-user:after{content:"";position:absolute;left:1px;right:1px;bottom:-5px;height:5px;border:2px solid var(--accent);border-bottom:none;border-radius:6px 6px 0 0}
.icon-mail{width:14px;height:10px;border:2px solid var(--accent)}
.icon-mail:after{content:"";position:absolute;inset:-1px 0 0 0;background:
  linear-gradient(115deg,transparent 48%,var(--accent) 49%,var(--accent) 51%,transparent 52%),
  linear-gradient(65deg,transparent 48%,var(--accent) 49%,var(--accent) 51%,transparent 52%)}
.icon-note{width:14px;height:11px;border:2px solid var(--accent);margin-top:4px}
.contact-form button{
  border:2px solid var(--ink);background:#13161a;color:#e7eaee;padding:12px 16px;
  font:700 13px/1 var(--mono);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .15s ease;
}
.contact-form button:hover{transform:translate(-2px,-2px)}
.hp-field{position:absolute!important;left:-9999px!important}
.notice-panel{border:2px solid var(--ink);background:var(--surface);padding:20px}
.notice-panel .notice-title{font:700 13px/1 var(--mono);letter-spacing:.5px}
.notice-panel .notice-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.notice-panel .check{
  width:22px;height:22px;border-radius:50%;background:oklch(85% 0.1 145);color:oklch(40% 0.13 145);
  display:flex;align-items:center;justify-content:center;font:700 12px/1 var(--mono);
}
.notice-panel p{margin:0 0 16px;font-size:14px;line-height:1.6;color:var(--text)}
.notice-list{border-top:1px dotted var(--dotted);margin-top:14px;padding-top:14px;display:flex;flex-direction:column;gap:10px;font:12px/1.45 var(--mono);color:var(--muted)}
.notice-echo{margin-top:14px;font:11px/1.4 var(--mono);color:var(--footnote)}
.brand-block{display:flex;align-items:center;gap:11px;margin:0 0 10px}
.brand-block h2{margin:0;font:15px/1.2 var(--mono);letter-spacing:.5px}
.footer-about{margin:0 0 16px;font-size:13.5px;line-height:1.55;color:var(--text)}
.footer-links{border-top:2px solid var(--ink);padding-top:14px;display:flex;flex-direction:column;gap:9px;font:12.5px/1.4 var(--mono)}
.footer-links span{display:flex;align-items:center;gap:8px;color:var(--muted)}
.footer-links a{color:var(--ink)}
.footer-links a:hover{color:var(--accent-link)}
.footer-fine{border-top:2px solid var(--ink);margin-top:16px;padding-top:12px;display:flex;flex-direction:column;gap:3px;font:11px/1.4 var(--mono);color:var(--footnote)}
.form-notice{border:2px solid var(--accent);padding:8px 10px;margin-bottom:10px;font:700 11px/1.4 var(--mono)}
.form-notice.success{border-color:oklch(60% 0.15 145)}

/* --- projects archive ------------------------------------------------- */
.archive-hero{padding:56px 0 48px;border-bottom:3px solid var(--ink)}
.archive-hero h1,.log-hero h1{font:clamp(30px,4.5vw,48px)/1.1 var(--mono);margin:0 0 18px}
.archive-hero>div>p{font-size:17px;line-height:1.6;max-width:520px;margin:0 0 22px;color:var(--text)}
.filter-label{font:700 11px/1 var(--mono);color:var(--muted);margin-bottom:8px}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px}
.index-panel{border:2px solid var(--ink);background:var(--surface)}
.index-panel>header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:2px solid var(--ink);font:700 12px/1 var(--mono);letter-spacing:1px}
.index-panel>header span{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
.index-rows{padding:16px 20px;display:flex;flex-direction:column;gap:12px;font:12.5px/1.4 var(--mono)}
.index-rows>div{display:flex;justify-content:space-between;border-bottom:1px dotted var(--dotted);padding-bottom:8px}
.index-rows>div:last-child{border-bottom:0;padding-bottom:0}
.index-rows b{font-weight:700;color:var(--muted)}
.index-panel>footer{background:var(--night);color:var(--accent-lift);padding:10px 20px;font:11px/1.4 var(--mono)}
.featured-report{
  margin:56px 0;border:2px solid var(--ink);background:var(--surface);padding:32px;
  transition:transform .15s ease,box-shadow .15s ease;
}
.featured-report:hover{transform:translate(-3px,-3px);box-shadow:6px 6px 0 var(--ink);--play:running}
.featured-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:6px;font:12px/1.4 var(--mono)}
.featured-top .label{font-weight:700;letter-spacing:1px;color:var(--accent-link)}
.featured-top time{color:var(--muted)}
.featured-report h2{margin:0 0 10px;font-size:24px;line-height:1.25;max-width:520px}
.featured-report h2 a{color:var(--ink);text-decoration:none}
.featured-report>p{margin:0 0 18px;font-size:14px;line-height:1.55;color:var(--text);max-width:480px}
.featured-report .text-link{display:inline-block;margin-bottom:18px}
.featured-report .flow-diagram{font-size:11px}
.featured-report .flow-node{padding:8px 10px}
.project-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;padding:56px 0 64px}
.project-card{
  border:2px solid var(--ink);background:var(--surface);padding:20px;
  display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--ink);
  transition:transform .15s ease,box-shadow .15s ease;
}
.project-card:hover{color:var(--ink);transform:translate(-3px,-3px);box-shadow:5px 5px 0 var(--ink);--meta:1;--cur:1}
.project-card .card-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.project-card .tag{font:700 10px/1.3 var(--mono);letter-spacing:1px;color:var(--accent-link)}
.project-card time{font:11px/1.3 var(--mono);color:var(--muted);opacity:var(--meta,.6);transition:opacity .15s ease}
.project-card h2{margin:0;font-size:19px;line-height:1.3;display:flex;align-items:baseline;gap:5px}
.project-card h2 i{font-style:normal;color:var(--chev);opacity:var(--cur,0);transition:opacity .15s ease}
.project-card p{margin:0;font-size:14px;line-height:1.5;color:var(--text)}
.project-card .card-foot{
  display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px;
  border-top:1px dotted var(--dotted);font:11px/1.3 var(--mono);color:var(--muted);
  opacity:var(--meta,.6);transition:opacity .15s ease;
}
.project-card .card-foot>span{display:flex;align-items:center;gap:12px}
.project-card .card-foot span span{display:flex;align-items:center;gap:4px}
.project-card .arrow{color:var(--chev);font-weight:700}
.pagination{padding:0 0 56px}
.pagination .nav-links{display:flex;gap:6px;justify-content:center}
.page-numbers{border:2px solid var(--ink);padding:7px 11px;font:700 11px/1 var(--mono);text-decoration:none;color:var(--ink)}
.page-numbers.current{background:var(--ink);color:var(--bg)}

/* --- project detail ---------------------------------------------------- */
.single-report{max-width:720px;padding:56px 0 72px}
.back-link{font:700 13px/1 var(--mono);text-decoration:underline;color:var(--ink)}
.back-link:hover{color:var(--accent-link)}
.single-report .report-tag{margin:20px 0 8px;font:700 11px/1 var(--mono);letter-spacing:1px;color:var(--muted)}
.single-report h1{font-size:34px;line-height:1.2;margin:0 0 16px}
.phase-box{border:2px solid var(--ink);background:var(--surface);margin-bottom:26px}
.phase-box>header{padding:11px 16px;border-bottom:2px solid var(--ink);font:700 11.5px/1 var(--mono);letter-spacing:1.5px}
.phase-row{display:grid;grid-template-columns:38px 150px 1fr;gap:14px;padding:13px 16px;border-bottom:1px dotted var(--dotted);align-items:baseline}
.phase-row:last-child{border-bottom:0}
.phase-row .num{font:700 11px/1 var(--mono);color:var(--accent-link)}
.phase-row .name{font:700 12px/1.3 var(--mono)}
.phase-row .text{font-size:14px;line-height:1.55;color:var(--text)}
.project-hero-image{margin:0 0 28px;border:2px solid var(--ink)}
.project-hero-image img{display:block;width:100%}
.project-hero-diagram{border:2px solid var(--ink);background:var(--surface);padding:26px;margin:0 0 28px;--play:running}
.report-section{border-top:3px solid var(--ink);padding-top:24px;margin-bottom:28px}
.report-section:last-of-type{border-bottom:3px solid var(--ink);padding-bottom:24px;margin-bottom:0}
.report-section h2{margin:0 0 10px;font:700 14px/1 var(--mono);letter-spacing:1px}
.report-section p{margin:0;font-size:16px;line-height:1.7}
.report-section .inline-flow{border:2px solid var(--ink);background:var(--surface);padding:20px;margin-top:18px;--play:running}

/* --- sketchbook (wireframe pages) -------------------------------------- */
.sketch-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.sketch-head .count{font:700 11px/1 var(--mono);letter-spacing:1.5px;color:var(--muted)}
.sketch-head .hand{font:19px/1 var(--hand);color:var(--muted)}
.sketch-pages{display:flex;flex-direction:column;gap:22px;margin-bottom:20px}
.sketch-page{
  position:relative;background:#fbf8f1;border:1.5px solid #6f675c;
  border-radius:255px 14px 225px 15px/15px 225px 15px 255px;
  padding:20px 22px 18px;box-shadow:2px 3px 0 rgba(60,55,48,.18);
}
.sketch-page:nth-child(4n+1){transform:rotate(-.35deg)}
.sketch-page:nth-child(4n+2){transform:rotate(.3deg)}
.sketch-page:nth-child(4n+3){transform:rotate(-.2deg)}
.sketch-page:nth-child(4n+4){transform:rotate(.4deg)}
.sketch-page>header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px;border-bottom:1.5px dashed #b3aa9c;padding-bottom:8px}
.sketch-page h3{margin:0;font:700 26px/1 var(--hand);color:#3d3831}
.sketch-page .path{font:19px/1 var(--hand);color:#8a8175}
.sketch-blocks{display:flex;flex-direction:column;gap:11px}
.sketch-block .label{font:17px/1.1 var(--hand);color:#8a8175;margin-bottom:3px}
.sketch-cells{display:grid;gap:9px}
.sketch-cell{
  min-height:56px;border:1.5px solid #6f675c;
  border-radius:225px 15px 255px 15px/15px 255px 15px 225px;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:6px 8px;
  font:18px/1.15 var(--hand);color:#5c554c;background:transparent;
}
.sketch-cell.is-dark{background:#3d3831;color:#fbf8f1}
.sketch-intent{margin-top:14px;border-top:1.5px dashed #b3aa9c;padding-top:10px;display:flex;gap:8px;align-items:flex-start}
.sketch-intent i{font-style:normal;font:20px/1 var(--hand);color:#b4623a;flex:none}
.sketch-intent span{font:20px/1.35 var(--hand);color:#4a443c}
.sketch-note{margin:9px 0 0;padding-left:26px;font-size:13.5px;line-height:1.6;color:#5c554c}
.sketch-live{display:inline-block;margin-bottom:28px;font:700 12.5px/1 var(--mono);letter-spacing:.5px}

/* --- the log (archive) -------------------------------------------------- */
.log-hero{padding:56px 0 0}
.log-hero h1{font:28px/1.2 var(--mono);margin:0 0 6px}
.log-hero>p{margin:0 0 24px;color:var(--text)}
.log-archive{padding:0 0 56px}
.log-archive .filter-chips{margin-bottom:28px}
.log-row{border-bottom:2px solid var(--ink)}
.log-row .log-summary{flex-direction:column;align-items:stretch;gap:6px;padding:22px 4px;transition:background .15s ease,transform .15s ease}
.log-row .log-summary:hover{background:var(--surface);transform:translateX(3px);--meta:1;--cur:1}
.log-row-top{display:flex;align-items:baseline;gap:12px}
.log-row-top .cur{color:var(--chev);opacity:var(--cur,0);transition:opacity .15s ease}
.log-row-top .badge,.log-row-top time{opacity:var(--meta,.7);transition:opacity .15s ease}
.log-row-top .chevron{margin-left:auto;color:var(--chev);font-weight:700;font-size:14px}
.log-row .title{font-size:19px;font-weight:600}
.log-row .dek{font-size:14px;line-height:1.5;color:var(--text)}

/* --- post detail -------------------------------------------------------- */
.single-log-layout{padding:56px 0 72px;display:grid;grid-template-columns:1fr 280px;gap:64px;align-items:start}
.single-log-main{max-width:700px}
.post-kicker{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:22px 0 18px;flex-wrap:wrap}
.post-kicker>div{display:flex;align-items:center;gap:12px}
.post-kicker time,.post-kicker .read{font:12px/1.3 var(--mono);color:var(--muted);display:flex;align-items:center;gap:6px}
.single-log-main h1{font-size:38px;line-height:1.2;margin:0 0 18px}
.post-dek{font-size:18px;line-height:1.6;color:var(--text);margin:0 0 22px;font-style:italic;padding-left:14px;border-left:3px solid var(--accent)}
.post-rule{border-top:2px solid var(--ink);margin-bottom:28px}
.post-hero-image{margin:0 0 32px;border:2px solid var(--ink)}
.post-hero-image img{display:block;width:100%}
.terminal-demo{
  margin:0 0 32px;border:2px solid var(--ink);background:#0d0f0c;color:#c9d4c9;
  padding:16px;font:12px/1.55 var(--mono);overflow:auto;
}
.prose{font-size:17px;line-height:1.75;color:var(--text)}
.prose h2{
  margin:28px 0 14px;font:700 15px/1.3 var(--mono);letter-spacing:1px;color:var(--ink);
  border-bottom:2px solid var(--ink);padding-bottom:8px;
}
.prose h2:first-child{margin-top:0}
.prose pre{overflow:auto;border:2px solid var(--ink);background:#0d0f0c;color:#c9d4c9;padding:18px;font:12px/1.5 var(--mono)}
.prose blockquote{margin:24px 0;padding-left:14px;border-left:3px solid var(--accent);font-style:italic}
.post-next-prev{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:12px}
.post-next-prev>div{border:2px solid var(--ink);padding:16px;transition:transform .15s ease,box-shadow .15s ease}
.post-next-prev>div:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
.post-next-prev>div:last-child{text-align:right}
.post-next-prev span{font:700 11px/1 var(--mono);color:var(--muted)}
.post-next-prev a{display:block;margin-top:6px;font-size:14px;font-weight:600;color:var(--ink);text-decoration:none}
.post-rail{position:sticky;top:90px;border-left:2px solid var(--ink);padding-left:24px;display:flex;flex-direction:column;gap:24px}
.post-rail h2{margin:0 0 12px;font:12px/1 var(--mono);letter-spacing:1px}
.post-rail nav{display:flex;flex-direction:column;gap:9px;font:12.5px/1.35 var(--mono)}
.post-rail nav a{color:var(--muted);text-decoration:none}
.post-rail nav a:first-child{color:var(--accent-link);font-weight:700}
.post-rail nav a:hover{color:var(--accent-link)}
.post-rail .rail-block{border-top:1px solid var(--dotted);padding-top:18px}
.post-rail .rail-info{display:flex;flex-direction:column;gap:8px;font:12px/1.4 var(--mono);color:var(--muted)}
.post-rail .tag-list{display:flex;flex-wrap:wrap;gap:5px}
.share-row{display:flex;gap:8px}
.share-row a{
  width:34px;height:34px;border:2px solid var(--ink);display:flex;align-items:center;justify-content:center;
  font:700 13px/1 var(--mono);color:var(--ink);text-decoration:none;
}
.share-row a:hover{background:var(--surface)}

/* --- contact page ------------------------------------------------------- */
.contact-hero{padding:56px 0 0}
.contact-copy h1{font:clamp(30px,4.5vw,48px)/1.1 var(--mono);margin:6px 0 18px}
.contact-lede{font-size:18px;line-height:1.6;max-width:560px;margin:0 0 28px}
.contact-panel{border:2px solid var(--ink);background:var(--surface)}
.contact-panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 18px;border-bottom:2px solid var(--ink);
  font:700 11.5px/1 var(--mono);letter-spacing:1px;
}
.contact-panel-head span:last-child{color:var(--muted);font-weight:400;letter-spacing:.5px}
.contact-panel-body{padding:22px 20px 20px}
.contact-form--page{gap:6px}
.contact-form .field-label{margin:14px 0 4px;font:700 10.5px/1 var(--mono);letter-spacing:1.5px;color:var(--muted)}
.contact-form .field-label:first-child{margin-top:0}
.contact-form .field-label em{font-style:normal;color:var(--muted2)}
.contact-form--page button{margin-top:16px;padding:14px 18px}
.contact-form .field-fine{margin:12px 0 0;font:11px/1.5 var(--mono);color:var(--footnote)}
.icon-link{width:14px;height:12px;border:2px solid var(--accent);border-left-width:5px}

.contact-aside{display:flex;flex-direction:column;gap:20px}
.direct-lines{border:2px solid var(--ink);background:var(--surface);padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.direct-lines h2{margin:0 0 4px;font:700 12px/1 var(--mono);letter-spacing:1px}
.direct-lines a{display:flex;align-items:center;gap:10px;font:12.5px/1.4 var(--mono);color:var(--ink);text-decoration:none}
.direct-lines a:hover{color:var(--accent-link);text-decoration:underline}
.direct-lines a b{flex:none;width:24px;color:var(--accent-link)}
.direct-lines .line-note{border-top:1px dotted var(--dotted);padding-top:10px;font:11px/1.5 var(--mono);color:var(--muted)}

.steps-section{padding:56px 0 16px}
.steps-section .capability-grid{margin-top:24px}

.fit-section{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;padding:40px 0 64px}
.fit-list{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column}
.fit-list li{
  position:relative;padding:12px 0 12px 30px;border-bottom:1px dotted var(--dotted);
  font-size:15px;line-height:1.55;color:var(--text);
}
.fit-list li:last-child{border-bottom:0}
.fit-list li:before{position:absolute;left:0;top:12px;font:700 13px/1.5 var(--mono)}
.fit-list.is-good li:before{content:"+";color:var(--accent-link)}
.fit-list.is-bad li:before{content:"\2212";color:var(--muted2)}
.fit-note{margin:18px 0 0;padding:14px 16px;border-left:3px solid var(--accent);background:var(--surface);font-size:14px;line-height:1.6;color:var(--text)}
.contact-extra{padding:0 0 56px;max-width:720px}

/* --- generic + 404 ------------------------------------------------------ */
.generic-page{max-width:720px;padding:56px 0 72px}
.generic-page h1{font:clamp(28px,4vw,40px)/1.15 var(--mono);margin:0 0 24px}
.generic-page article{padding:20px 0;border-top:2px solid var(--ink)}
.generic-page article h2{margin:0 0 6px;font-size:20px}
.error-page{min-height:50vh}

/* --- responsive --------------------------------------------------------- */
@media (max-width:1080px){
  .grid-3{grid-template-columns:24px 1fr;gap:32px}
  .grid-3 .operator-card,.grid-3 .index-panel{grid-column:2}
  .tick-rail{grid-row:1 / span 2}
  .proof-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .proof-bar>div:nth-child(2n){border-right:0}
  .proof-bar>div:nth-child(-n+2){border-bottom:1px solid #2b2b2b}
  .single-log-layout{grid-template-columns:1fr;gap:36px}
  .fit-section{grid-template-columns:1fr;gap:32px}
  .post-rail{position:static;border-left:0;border-top:2px solid var(--ink);padding:24px 0 0}
}
@media (max-width:820px){
  :root{--gutter:20px}
  .site-header{padding:12px 18px;gap:12px}
  .menu-toggle{display:flex}
  .primary-nav{order:5;flex-basis:100%;display:none}
  .primary-nav.is-open{display:block}
  .primary-nav ul{flex-direction:column;gap:0}
  .primary-nav a{display:block;width:100%;padding:11px 0}
  .visitor-counter{display:none}
  .grid-3{grid-template-columns:1fr;gap:24px}
  .grid-3 .operator-card,.grid-3 .index-panel{grid-column:auto}
  .tick-rail{display:none}
  .case-rail{flex-direction:column}
  .case-card,.case-card.is-active{flex:1 1 auto;min-width:0}
  .case-card .case-open{display:flex!important;flex-direction:column;gap:10px}
  .case-spine{display:none!important}
  .rail-nav{display:none}
  .log-item.has-ascii.is-open .log-details{grid-template-columns:1fr}
  .log-summary{flex-wrap:wrap;gap:10px}
  .log-summary time{order:4}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band,.terminal-band{padding-left:var(--gutter);padding-right:var(--gutter)}
  .phase-row{grid-template-columns:1fr;gap:4px}
  .post-next-prev{grid-template-columns:1fr}
  .post-next-prev>div:last-child{text-align:left}
  .single-log-main h1{font-size:30px}
  .contact-panel-body{padding:18px 16px}
}
@media (max-width:520px){
  .proof-bar{grid-template-columns:1fr}
  .proof-bar>div{border-right:0;border-bottom:1px solid #2b2b2b}
  .operator-rows>div{flex-direction:column;gap:4px}
  .operator-rows span{text-align:left}
  .flow-diagram{flex-direction:column;align-items:flex-start;gap:6px}
  .flow-arrow{transform:rotate(90deg)}
  .sketch-cells{grid-template-columns:1fr!important}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;animation-delay:0s!important;transition:none!important}
}