:root{
    --bg:#000; --bg2:#0a0a0a; --surface:#0b0b0c; --surface2:#101011;
    --mint:#19E3B1; --mint-dim:#0f9c78; --amber:#F5B544; --red:#FF6166;
    --ink:#EDEDED; --ink2:#c4c4c6; --mut:#9a9a9e; --mut2:#6a6a6f;
    --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.16); --line3:rgba(255,255,255,.24);
    --mono:ui-monospace,"SF Mono",SFMono-Regular,"Geist Mono",Menlo,Consolas,monospace;
    --sans:"Geist",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
    --grad:linear-gradient(92deg,#ffffff,#9be7d5 62%,var(--mint));
    --r:12px;
    /* back-compat aliases used by usage.html's inline styles */
    --glass:var(--surface); --cyan:#7fd6c4; --violet:#8B7CFF;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
  body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.55;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;letter-spacing:-.011em}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:1080px;margin:0 auto;padding:0 24px}
  .mono{font-family:var(--mono)}
  .grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

  /* ambient background — a single faint top spotlight + hairline grid. No glare. */
  .fx{position:fixed;inset:0;z-index:-2;pointer-events:none;
    background:radial-gradient(60% 42% at 50% -6%,rgba(25,227,177,.10),transparent 70%)}
  .fx .blob{display:none}
  .grid-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
    background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 70% 55% at 50% 0%,#000 15%,transparent 70%);
    mask-image:radial-gradient(ellipse 70% 55% at 50% 0%,#000 15%,transparent 70%)}

  /* nav */
  header{position:sticky;top:0;z-index:60;backdrop-filter:blur(12px) saturate(1.1);
    background:rgba(0,0,0,.72);border-bottom:1px solid var(--line)}
  nav{display:flex;align-items:center;gap:16px;height:58px}
  .brand{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:-.02em;font-size:15.5px}
  .brand .dot{filter:none}
  nav .sp{flex:1}
  nav a.nl{color:var(--mut);font-size:13.5px;font-weight:450;transition:color .15s}
  nav a.nl:hover{color:var(--ink)}
  @media(max-width:760px){nav a.nl:not(.cta){display:none}}
  .btn{display:inline-flex;align-items:center;gap:8px;font-weight:500;font-size:14px;padding:9px 16px;
    border-radius:8px;border:1px solid var(--line2);background:transparent;color:var(--ink);transition:.16s ease;cursor:pointer;white-space:nowrap}
  .btn:hover{border-color:var(--line3);background:rgba(255,255,255,.04)}
  .btn.primary{background:var(--ink);color:#000;border-color:var(--ink);font-weight:550}
  .btn.primary:hover{background:#fff;border-color:#fff}
  .btn:focus-visible,a:focus-visible{outline:1.5px solid var(--mint);outline-offset:2px}

  /* section scaffolding */
  section{padding:46px 0;position:relative}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;letter-spacing:.02em;
    color:var(--mut);margin:0 0 16px}
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}
  h2{font-size:clamp(26px,3.3vw,38px);font-weight:600;letter-spacing:-.03em;line-height:1.1;margin:0;color:#fff}
  .lead{color:var(--mut);font-size:17px;max-width:60ch;margin:18px 0 0;font-weight:400}

  /* hero */
  .hero{padding:48px 0 44px;text-align:center}
  .tagpill{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--mut);
    border:1px solid var(--line2);border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.02);margin-bottom:30px}
  .tagpill b{color:var(--mint);font-weight:500}
  h1{font-size:clamp(38px,5.6vw,64px);line-height:1.03;font-weight:600;letter-spacing:-.045em;margin:0 auto;
    max-width:16ch;text-wrap:balance;color:#fff}
  h1 .l2{display:block}
  .hero .sub{font-size:clamp(16px,1.7vw,19px);color:var(--mut);max-width:54ch;margin:22px auto 0;font-weight:400;line-height:1.62;text-wrap:balance}
  .hero .sub b{color:var(--ink);font-weight:500}
  .cta{display:flex;gap:11px;justify-content:center;flex-wrap:wrap;margin:34px 0 0}
  .trust{display:flex;gap:8px 20px;justify-content:center;flex-wrap:wrap;margin:34px 0 0;font-family:var(--mono);font-size:12px;color:var(--mut2)}
  .trust b{color:var(--ink2);font-weight:500}

  /* terminal (agent decision stream) */
  .term{max-width:680px;margin:56px auto 0;border:1px solid var(--line2);border-radius:14px;overflow:hidden;
    background:var(--surface);box-shadow:0 24px 70px -50px rgba(0,0,0,.9);text-align:left}
  .term .bar{display:flex;align-items:center;gap:7px;padding:11px 15px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:11.5px;color:var(--mut2)}
  .term .bar i{width:10px;height:10px;border-radius:50%;display:inline-block;opacity:.9}
  .term .bar .r{background:#ff5f56}.term .bar .y{background:#ffbd2e}.term .bar .g{background:#27c93f}
  .term .bar span{margin-left:8px}
  .term .body{padding:16px 18px 20px;font-family:var(--mono);font-size:13px;line-height:1.9;min-height:248px}
  .ln{display:flex;gap:10px;white-space:pre-wrap;opacity:0;transform:translateY(3px);animation:appear .28s forwards}
  @keyframes appear{to{opacity:1;transform:none}}
  .ln .pre{color:var(--mut2);flex:0 0 auto}
  .c-mut{color:var(--mut)}.c-mint{color:var(--mint)}.c-cyan{color:#7fd6c4}.c-amber{color:var(--amber)}.c-red{color:var(--red)}.c-ink{color:var(--ink)}
  .cursor{display:inline-block;width:7px;height:14px;background:var(--mint);vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
  @keyframes blink{50%{opacity:0}}

  /* generic card */
  .cards{display:grid;gap:16px;margin-top:44px}
  .g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}
  @media(max-width:840px){.g2,.g3{grid-template-columns:1fr}}
  .card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;transition:border-color .18s,background .18s}
  .card:hover{border-color:var(--line2);background:var(--surface2)}
  .card h3{margin:0 0 8px;font-size:17px;font-weight:550;color:#fff}
  .card p{margin:0;color:var(--mut);font-size:14.5px;line-height:1.6}
  .kicker{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;margin-bottom:16px;font-size:16px;
    background:rgba(255,255,255,.04);border:1px solid var(--line2);color:var(--mint)}

  /* VS section */
  .vs{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;margin-top:40px;
    border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}
  @media(max-width:840px){.vs{grid-template-columns:1fr}}
  .vs .side{padding:32px}
  .vs .predict{background:linear-gradient(180deg,rgba(255,97,102,.04),transparent 60%)}
  .vs .proof{background:linear-gradient(180deg,rgba(25,227,177,.05),transparent 60%)}
  .vs .badge{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;
    padding:5px 10px;border-radius:7px;margin-bottom:18px;font-weight:500}
  .vs .predict .badge{color:var(--red);background:rgba(255,97,102,.1)}
  .vs .proof .badge{color:var(--mint);background:rgba(25,227,177,.1)}
  .vs h3{font-size:19px;margin:0 0 16px;font-weight:550;color:#fff}
  .vs ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
  .vs li{display:flex;gap:11px;font-size:14px;color:var(--mut);align-items:flex-start;line-height:1.5}
  .vs li .m{flex:0 0 auto;font-weight:600}
  .vs .predict li .m{color:var(--red)}.vs .proof li .m{color:var(--mint)}
  .vs .proof li{color:var(--ink2)}
  .vs .divider{display:grid;place-items:center;width:70px;background:rgba(255,255,255,.015);border-left:1px solid var(--line);border-right:1px solid var(--line)}
  .vs .divider span{font-family:var(--mono);font-weight:600;font-size:13px;color:var(--mut);
    border:1px solid var(--line2);border-radius:50%;width:42px;height:42px;display:grid;place-items:center;background:var(--bg)}
  @media(max-width:840px){.vs .divider{width:auto;height:52px;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}}

  /* pipeline / diagram */
  .pipe{margin-top:36px;border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:12px}
  .pipe img,.pipe svg{width:100%;height:auto;display:block;border-radius:8px}

  /* stats */
  .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
  @media(max-width:840px){.stats{grid-template-columns:1fr}}
  .stat{position:relative;border:1px solid var(--line);border-radius:14px;padding:26px;background:var(--surface)}
  .stat .n{font-family:var(--mono);font-size:42px;font-weight:600;line-height:1;letter-spacing:-.03em;color:#fff}
  .stat .n.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .stat .k{margin-top:12px;font-size:13.5px;color:var(--mut);line-height:1.5}
  .stat .vs-tag{color:var(--red);font-family:var(--mono);font-weight:600}
  .simchip{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px;font-weight:500;
    color:var(--amber);background:rgba(245,181,68,.08);border:1px solid rgba(245,181,68,.28);border-radius:8px;padding:6px 12px}
  .killbar{margin-top:18px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
    border:1px solid var(--line);border-left:2px solid var(--mint);border-radius:12px;padding:16px 20px;background:var(--surface)}
  .killbar .verdict{font-family:var(--mono);font-weight:500;color:var(--mint);border:1px solid rgba(25,227,177,.3);
    border-radius:999px;padding:5px 13px;background:rgba(25,227,177,.06)}

  /* code / install */
  .code{position:relative;background:var(--surface);border:1px solid var(--line2);
    border-radius:12px;padding:15px 16px;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.75}
  .code .c{color:var(--mut2)}.code .p{color:var(--mint)}.code .a{color:var(--amber)}.code .cy{color:#7fd6c4}
  .copy{position:absolute;top:8px;right:8px;font-family:var(--mono);font-size:11px;color:var(--mut);cursor:pointer;
    background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:6px;padding:5px 9px;transition:.15s}
  .copy:hover{color:var(--ink);border-color:var(--line3)}
  .inst{display:grid;grid-template-columns:180px 1fr;gap:0;margin-top:34px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface)}
  @media(max-width:720px){.inst{grid-template-columns:1fr}}
  .inst .tab{padding:15px 18px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);cursor:pointer;
    font-weight:450;font-size:14px;color:var(--mut);display:flex;align-items:center;gap:10px;transition:.15s}
  .inst .tab:hover{color:var(--ink);background:rgba(255,255,255,.02)}
  .inst .tab.on{color:#fff;background:rgba(255,255,255,.04);box-shadow:inset 2px 0 0 var(--mint)}
  .inst .tab .i{font-size:15px;opacity:.9}
  @media(max-width:720px){.inst .tab{border-right:0}}
  .inst .panel{grid-row:1 / span 4;grid-column:2;padding:22px;display:none}
  .inst .panel.on{display:block}
  @media(max-width:720px){.inst .panel{grid-column:1}}

  /* roadmap */
  .road{display:flex;gap:0;margin-top:40px;overflow-x:auto;padding-bottom:8px}
  .road .step{flex:1;min-width:180px;padding:0 20px;position:relative}
  .road .step::before{content:"";position:absolute;top:8px;left:0;right:0;height:1px;background:var(--line2)}
  .road .step.done::before{background:var(--mint-dim)}
  .road .step .dot{width:16px;height:16px;border-radius:50%;background:var(--bg);border:1.5px solid var(--line3);position:relative;z-index:1}
  .road .step.done .dot{border-color:var(--mint);background:var(--mint)}
  .road .step.next .dot{border-color:var(--amber)}
  .road .step h4{font-family:var(--mono);font-size:13.5px;margin:16px 0 6px;color:#fff;font-weight:500}
  .road .step.done h4 span{color:var(--mint)}.road .step.next h4 span{color:var(--amber)}
  .road .step p{font-size:13px;color:var(--mut);margin:0;line-height:1.5}

  /* footer */
  footer{border-top:1px solid var(--line);padding:52px 0}
  .foot-cta{text-align:center;margin-bottom:56px}
  .foot-cta h2{margin-bottom:24px}
  .flinks{display:flex;flex-wrap:wrap;gap:20px;align-items:center;color:var(--mut);font-size:13.5px}
  .flinks a:hover{color:var(--ink)}
  .fnote{margin-top:16px;color:var(--mut2);font-size:12.5px}
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}

  /* offset in-page anchor jumps so they clear the sticky header */
  section,.term{scroll-margin-top:80px}

  /* ══ engagement layer: depth · motion · interactivity ══ */
  @property --a{syntax:'<angle>';inherits:false;initial-value:0deg}

  /* living ambient — a slow conic aurora behind the hero (low opacity, not glary) */
  .fx::after{content:"";position:absolute;top:-24%;left:50%;width:940px;height:940px;transform:translateX(-50%);
    background:conic-gradient(from 0deg,transparent 0%,rgba(25,227,177,.11),transparent 26%,rgba(56,189,248,.09),transparent 55%,rgba(139,124,255,.07),transparent 80%);
    border-radius:50%;filter:blur(70px);opacity:.6;animation:aurora 44s linear infinite}
  @keyframes aurora{to{transform:translateX(-50%) rotate(360deg)}}

  /* hero terminal — rotating gradient glow border + soft halo (premium centerpiece) */
  .term{box-shadow:0 30px 90px -50px rgba(0,0,0,.9),0 0 70px -30px rgba(25,227,177,.28)}
  .term::before{content:"";position:absolute;inset:-1px;border-radius:15px;padding:1px;pointer-events:none;z-index:2;
    background:conic-gradient(from var(--a),transparent 15%,var(--mint) 30%,#38E8FF 42%,transparent 58%);
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
    animation:spinborder 7s linear infinite}
  @keyframes spinborder{to{--a:360deg}}

  /* interactive spotlight cards (cursor-tracked) */
  .card{overflow:hidden}
  .card::after{content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .35s;pointer-events:none;
    background:radial-gradient(340px circle at var(--mx,50%) var(--my,-20%),rgba(25,227,177,.14),transparent 62%)}
  .card:hover::after{opacity:1}
  .card{background-image:linear-gradient(180deg,rgba(255,255,255,.022),transparent 40%)}

  /* subtle animated shimmer on gradient headlines/numbers */
  .grad-text{background-size:220% auto;animation:shimmer 9s ease-in-out infinite}
  @keyframes shimmer{0%,100%{background-position:0% center}50%{background-position:130% center}}

  /* bigger, bolder stats + primary CTA lift */
  .stat .n{font-size:clamp(42px,4.4vw,54px)}
  .stat{background-image:linear-gradient(180deg,rgba(255,255,255,.02),transparent 45%)}
  .btn.primary:hover{box-shadow:0 0 34px -10px rgba(255,255,255,.35)}
  .kicker{box-shadow:0 0 24px -12px rgba(25,227,177,.6)}
  @media (prefers-reduced-motion:reduce){.fx::after,.term::before,.grad-text{animation:none}}

  /* ══ interactive architecture diagram ══ */
  .arch{margin-top:36px;border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:24px 20px 18px;position:relative;overflow:hidden}
  .arch svg{width:100%;height:auto;display:block}
  .arch .node{cursor:pointer;transition:opacity .2s}
  .arch .node rect{transition:stroke .2s,fill .2s,filter .2s}
  .arch .node:hover rect{stroke:var(--mint);fill:#0e211d}
  .arch .node .nt{transition:fill .2s}
  .arch .node:hover .nt{fill:#fff}
  .arch.dim .node:not(:hover){opacity:.4}
  .arch-cap{margin-top:14px;min-height:48px;border-top:1px solid var(--line);padding-top:14px;display:flex;gap:12px;align-items:flex-start}
  .arch-cap .dot{flex:0 0 auto;width:9px;height:9px;border-radius:50%;background:var(--mint);margin-top:6px;box-shadow:0 0 8px var(--mint)}
  .arch-cap b{color:#fff;font-weight:550;font-size:15px}
  .arch-cap span{color:var(--mut);font-size:14px}
  .arch-cap .hint{color:var(--mut2);font-family:var(--mono);font-size:12.5px}

  /* ══ polish pass: progress · hero glow · stagger · use-cases · seal ══ */
  .progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:70;background:linear-gradient(90deg,var(--mint),#38E8FF);box-shadow:0 0 8px rgba(25,227,177,.5)}
  .hero{position:relative}
  .hero>.wrap{position:relative;z-index:1}
  .hero-glow{position:absolute;inset:0;pointer-events:none;z-index:0;opacity:0;transition:opacity .5s;
    background:radial-gradient(340px circle at var(--hx,50%) var(--hy,30%),rgba(25,227,177,.09),transparent 62%)}
  .hero:hover .hero-glow{opacity:1}
  .reveal.stagger>*{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.2,.7,.2,1),transform .5s cubic-bezier(.2,.7,.2,1)}
  .reveal.stagger.in>*{opacity:1;transform:none}
  .reveal.stagger.in>*:nth-child(2){transition-delay:.07s}
  .reveal.stagger.in>*:nth-child(3){transition-delay:.14s}
  .reveal.stagger.in>*:nth-child(n+4){transition-delay:.2s}
  .uses{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
  @media(max-width:840px){.uses{grid-template-columns:1fr}}
  .use{position:relative;border:1px solid var(--line);border-radius:14px;padding:22px;background:var(--surface);overflow:hidden;transition:border-color .2s,transform .2s}
  .use:hover{border-color:var(--line2);transform:translateY(-2px)}
  .use::after{content:"";position:absolute;inset:0;opacity:0;transition:opacity .35s;pointer-events:none;
    background:radial-gradient(300px circle at var(--mx,50%) var(--my,-20%),rgba(25,227,177,.12),transparent 62%)}
  .use:hover::after{opacity:1}
  .use .ic{font-size:20px;margin-bottom:12px;display:inline-grid;place-items:center;width:38px;height:38px;border-radius:9px;background:rgba(25,227,177,.08);border:1px solid var(--line2)}
  .use h3{margin:0 0 7px;font-size:16px;font-weight:600;color:#fff}
  .use p{margin:0;color:var(--mut);font-size:14px;line-height:1.55}
  .use .tag{position:relative;z-index:1;font-family:var(--mono);font-size:11px;color:var(--mint);margin-top:12px;display:block}
  .seal{position:absolute;top:-13px;right:16px;transform:rotate(-7deg) scale(.85);opacity:0;z-index:3;
    font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:1px;color:var(--mint);
    border:1.5px solid var(--mint);border-radius:8px;padding:5px 11px;background:#0a0a0a;box-shadow:0 0 22px -6px rgba(25,227,177,.55)}
  .seal.in{animation:stamp .55s cubic-bezier(.2,1.5,.4,1) forwards}
  @keyframes stamp{to{opacity:1;transform:rotate(-7deg) scale(1)}}
  @media (prefers-reduced-motion:reduce){.seal{opacity:1;transform:rotate(-7deg)}}

  /* ══ mobile menu ══ */
  .menu-btn{display:none;background:transparent;border:1px solid var(--line2);border-radius:8px;width:40px;height:36px;
    color:var(--ink);cursor:pointer;align-items:center;justify-content:center;font-size:17px;line-height:1}
  .mobile-menu{display:none}
  @media(max-width:760px){
    .menu-btn{display:inline-flex}
    nav .btn.primary{display:none}
    .mobile-menu{display:none;flex-direction:column;padding:6px 24px 16px;border-bottom:1px solid var(--line);
      background:rgba(0,0,0,.92);backdrop-filter:blur(14px)}
    .mobile-menu.open{display:flex}
    .mobile-menu a{color:var(--ink2);padding:13px 2px;font-size:15.5px;border-bottom:1px solid var(--line)}
    .mobile-menu a:last-child{border-bottom:0}
    .mobile-menu a.demo{color:var(--mint);font-weight:600}
    .mobile-menu a:active{color:#fff}
  }

  /* ══ mobile tuning (≤640px) ══ */
  @media(max-width:640px){
    .wrap{padding:0 18px}
    section{padding:40px 0}
    .hero{padding:30px 0 34px}
    h1{font-size:33px;line-height:1.06;max-width:22ch;letter-spacing:-.035em}
    .hero .sub{font-size:15.5px;max-width:none;margin-top:18px}
    .tagpill{font-size:11px;margin-bottom:22px}
    h2{font-size:23px}
    .lead{font-size:15px;margin-top:14px}
    .eyebrow{margin-bottom:12px;font-size:11px}
    .cta{gap:9px;margin-top:26px}
    .cta .btn{flex:1 1 auto;justify-content:center}
    .trust{gap:6px 14px;font-size:11px;margin-top:26px}
    .term{margin-top:30px;border-radius:12px}
    .term .bar{font-size:10.5px;padding:10px 12px}
    .term .body{font-size:11px;line-height:1.75;padding:13px 12px;min-height:290px}
    .term .body .ln{gap:6px}
    .code{font-size:11.5px;padding:13px 12px}
    .card{padding:18px}.card h3{font-size:16px}
    .cards{gap:12px}
    .vs{border-radius:14px}
    .vs .side{padding:20px}
    .vs h3{font-size:17px}
    .vs li{font-size:13.5px}
    .stats{gap:12px}.stat{padding:20px}.stat .n{font-size:34px}
    .uses{gap:12px}.use{padding:18px}
    .killbar{padding:14px 16px;gap:10px}
    .simchip{font-size:11px}
    .road .step{min-width:150px;padding:0 14px}
    .inst .tab{padding:13px 16px}
    footer{padding:44px 0}
    .foot-cta{margin-bottom:40px}
    /* wide diagrams: stay legible and scroll sideways instead of shrinking to nothing */
    .pipe,.arch{overflow-x:auto;-webkit-overflow-scrolling:touch;padding:10px}
    .pipe img{min-width:560px}
    .arch{overflow:auto}
    .arch svg{min-width:660px}
    .arch-cap{font-size:12.5px}
  }