/* Layout: hash-routed multi-page site on THE HUMAN LOOP brand. Charcoal/cream bands, magenta on keywords only, gold hairlines, repeated-wordmark wallpaper + one organic fuchsia loop line as signatures. */
  :root{
    --charcoal:#1A1A1A;--charcoal-2:#212121;--charcoal-3:#161616;
    --cream:#FAF7F2;--cream-2:#F1EBE1;
    --magenta:#E8338A;--gold:#D4A437;
    --on-dark:#EDE9E2;--on-dark-mut:#A49F96;
    --on-light:#1A1A1A;--on-light-mut:#6A6356;
    --hair-dark:rgba(212,164,55,.45);--hair-light:rgba(26,26,26,.14);
    --font-display:'DM Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    --font-mono:'JetBrains Mono','SF Mono',ui-monospace,Menlo,Consolas,monospace;
    --maxw:1140px;color-scheme:dark;
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--charcoal);color:var(--on-dark);font-family:var(--font-body);
    font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  :focus-visible{outline:2px solid var(--magenta);outline-offset:3px}
  body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--charcoal-3)}

  .wrap{width:100%;max-width:var(--maxw);margin-inline:auto;
    padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
  .band{position:relative;overflow:hidden}
  .band-dark{background:var(--charcoal);color:var(--on-dark)}
  .band-dark-2{background:var(--charcoal-3);color:var(--on-dark)}
  .band-light{background:var(--cream);color:var(--on-light)}
  .band > .wrap{padding-block:clamp(64px,8.5vw,112px);position:relative;z-index:2}

  /* pages */
  .page{display:block}
  .page[hidden]{display:none!important}

  /* nav */
  header.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:61;
    background:rgba(22,22,22,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(255,255,255,.06)}
  .nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
  .brand{font-family:var(--font-display);font-weight:700;letter-spacing:.14em;font-size:13px;
    text-transform:uppercase;color:var(--cream);white-space:nowrap}
  .brand b{color:var(--magenta)}
  .nav-links{display:flex;align-items:center;gap:26px}
  .nav-links a{font-size:13.5px;color:var(--on-dark-mut);transition:color .18s;position:relative}
  .nav-links a:hover{color:var(--cream)}
  .nav-links a.active{color:var(--cream)}
  .nav-links a.active:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-18px;height:2px;background:var(--gold)}
  .btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-body);font-weight:600;font-size:14px;
    line-height:1;padding:12px 20px;border-radius:2px;border:1px solid transparent;cursor:pointer;
    transition:transform .15s,background .18s,color .18s,border-color .18s}
  .btn-mag{background:var(--magenta);color:#fff}
  .btn-mag:hover{transform:translateY(-1px);background:#f24897}
  .btn-ghost{border-color:var(--hair-dark);color:var(--cream)}
  .btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
  .btn-ghost-light{border-color:var(--hair-light);color:var(--on-light)}
  .btn-ghost-light:hover{border-color:var(--magenta);color:var(--magenta)}
  .nav-toggle{display:none;background:none;border:0;color:var(--cream);font-size:22px;cursor:pointer;padding:6px}

  /* type */
  .eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
    color:var(--gold);display:inline-flex;align-items:center;gap:12px;margin:0 0 22px}
  .eyebrow::before{content:"";width:28px;height:1px;background:var(--gold);display:inline-block;opacity:.85}
  .eyebrow.on-light{color:var(--on-light-mut)}.eyebrow.on-light::before{background:var(--on-light-mut)}
  h1,h2,h3{font-family:var(--font-display);text-wrap:balance;margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.05}
  .kw{color:var(--magenta)}
  .lead{font-size:clamp(17px,2.1vw,20px);line-height:1.6;max-width:62ch}
  .section-head{max-width:42ch}
  .section-head h2{font-size:clamp(28px,4.2vw,44px)}
  .page-hero h1{font-size:clamp(34px,5.6vw,62px)}
  .page-hero .lead{margin-top:22px;color:var(--on-dark-mut)}

  /* home hero */
  .hero .wrap{padding-block:clamp(52px,7.5vw,92px);display:grid;grid-template-columns:1.25fr .9fr;gap:clamp(32px,5vw,64px);align-items:center}
  .hero h1{font-size:clamp(38px,6.4vw,76px)}
  .hero .lead{margin-top:26px;color:var(--on-dark-mut)}
  .hero .lead b{color:var(--on-dark);font-weight:600}
  .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
  .credline{margin-top:34px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--on-dark-mut)}
  .wallpaper{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden;display:flex;
    flex-direction:column;justify-content:center;gap:.08em;transform:rotate(-2deg) scale(1.3);opacity:.045}
  .wallpaper span{font-family:var(--font-display);font-weight:700;font-size:clamp(46px,9vw,104px);
    letter-spacing:-.01em;white-space:nowrap;color:var(--cream);line-height:1}
  .loop-mark{position:absolute;z-index:1;pointer-events:none}
  .loop-mark path{fill:none;stroke:var(--magenta);stroke-width:2;stroke-linecap:round}
  .hero .loop-mark{right:-60px;top:-40px;width:340px;height:340px;opacity:.16}

  .portrait{position:relative;aspect-ratio:4/5;border:1px solid var(--magenta);
    background:linear-gradient(145deg,rgba(232,51,138,.10),rgba(212,164,55,.06)),var(--charcoal-2);
    display:flex;align-items:flex-end;justify-content:flex-start;border-radius:2px;overflow:hidden}
  .portrait::before{content:"";position:absolute;inset:11px;border:1px solid rgba(237,233,226,.10)}
  .portrait .ph{position:relative;z-index:1;margin:18px;font-family:var(--font-mono);font-size:11px;
    letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-mut);background:rgba(22,22,22,.7);
    padding:7px 10px;border:1px solid var(--hair-dark)}
  .portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top;z-index:1}
  .portrait::before{z-index:2}

  /* shift */
  .shift-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:48px}
  .pane{border:1px solid var(--hair-light);border-radius:2px;padding:30px;background:var(--cream-2)}
  .pane h3{font-size:19px;margin-bottom:8px}
  .pane .tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--on-light-mut);display:block;margin-bottom:16px}
  .pane ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px}
  .pane li{padding-left:22px;position:relative;font-size:15.5px;color:var(--on-light)}
  .pane li::before{content:"";position:absolute;left:0;top:10px;width:9px;height:1px;background:var(--gold)}
  .pane.pane-mag{border-color:rgba(232,51,138,.35)}
  .pane.pane-mag li::before{background:var(--magenta)}

  /* cards */
  .cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
  .card{position:relative;border:1px solid var(--hair-dark);border-radius:2px;padding:30px 28px;
    background:var(--charcoal-2);display:flex;flex-direction:column;gap:14px;min-width:0}
  .band-light .card{background:var(--cream-2);border-color:var(--hair-light)}
  .card .num{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--gold)}
  .card h3{font-size:21px}
  .band-dark .card h3,.band-dark-2 .card h3{color:var(--cream)}
  .card p{margin:0;font-size:15px;color:var(--on-dark-mut)}
  .band-light .card p{color:var(--on-light-mut)}
  .loop-note{margin-top:34px;font-size:15.5px;color:var(--on-dark-mut);max-width:70ch}
  .loop-note b{color:var(--cream);font-weight:600}
  .band-light .loop-note{color:var(--on-light-mut)}.band-light .loop-note b{color:var(--on-light)}

  /* departments / by function */
  .func-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:46px}
  .func{border:1px solid var(--hair-light);border-radius:2px;padding:26px;background:var(--cream-2);min-width:0;display:flex;flex-direction:column;gap:8px}
  .func .fn{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
  .func h3{font-size:18px;color:var(--on-light)}
  .func p{margin:0;font-size:14.5px;color:var(--on-light-mut)}
  .band-dark .func,.band-dark-2 .func{background:var(--charcoal-2);border-color:var(--hair-dark)}
  .band-dark .func h3,.band-dark-2 .func h3{color:var(--cream)}
  .band-dark .func p,.band-dark-2 .func p{color:var(--on-dark-mut)}

  /* what changes / outcomes + testimonial slot */
  .outcomes{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-top:40px}
  .outcome{border-top:1px solid var(--hair-dark);padding-top:18px;min-width:0}
  .outcome .o-fn{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:10px}
  .outcome p{margin:0;font-size:16px;color:var(--on-dark);line-height:1.42}
  .testimonial{margin-top:50px;border-left:2px solid var(--magenta);padding:4px 0 4px 24px;max-width:62ch}
  .testimonial .t-quote{margin:0 0 10px;font-family:var(--font-display);font-size:19px;color:var(--on-dark-mut)}
  .testimonial .t-who{margin:0;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--on-dark-mut)}

  /* method */
  .method-wordmark{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,8vw,88px);
    letter-spacing:-.02em;line-height:1;margin:14px 0 10px}
  .method-wordmark .kw{color:var(--magenta)}
  .method-tag{font-size:clamp(17px,2.2vw,21px);color:var(--on-dark-mut);max-width:48ch;margin-bottom:40px}
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--hair-dark)}
  .step{padding:28px 26px 28px 0;border-right:1px solid var(--hair-dark);min-width:0}
  .step:last-child{border-right:0;padding-right:0}
  .step .s-no{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--gold);margin-bottom:12px}
  .step h3{font-size:19px;color:var(--cream);margin-bottom:8px}
  .band-light .step{border-color:var(--hair-light)}
  .band-light .step h3{color:var(--on-light)}
  .step p{margin:0;font-size:14.5px;color:var(--on-dark-mut)}
  .band-light .step p{color:var(--on-light-mut)}
  .method .loop-mark{left:-80px;bottom:-70px;width:300px;height:300px;opacity:.13;transform:rotate(180deg)}
  .inline-link{display:inline-flex;align-items:center;gap:8px;margin-top:38px;font-weight:600;color:var(--magenta);
    font-size:15px;border-bottom:1px solid transparent;transition:border-color .18s}
  .inline-link:hover{border-color:var(--magenta)}

  /* lists / principles */
  .principles{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:46px}
  .principle{border-left:1px solid var(--hair-light);padding-left:22px}
  .principle h3{font-size:19px;margin-bottom:8px;color:var(--on-light)}
  .principle p{margin:0;font-size:15px;color:var(--on-light-mut)}
  .prose{max-width:62ch;color:var(--on-light-mut);font-size:16.5px}
  .prose.on-dark{color:var(--on-dark-mut)}
  .prose p{margin:0 0 18px}
  .prose b{color:var(--on-light);font-weight:600}.prose.on-dark b{color:var(--cream)}

  /* proof */
  .quote{font-family:var(--font-display);font-weight:500;font-size:clamp(23px,3.3vw,36px);line-height:1.28;
    letter-spacing:-.01em;max-width:20ch;text-wrap:balance;color:var(--cream)}
  .quote .kw{color:var(--magenta)}
  .attrib{margin-top:24px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--on-dark-mut)}
  .logos{margin-top:54px;border-top:1px solid var(--hair-dark);padding-top:30px}
  .logos .lbl{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--on-dark-mut);margin-bottom:20px}
  .logo-row{display:flex;flex-wrap:wrap;gap:14px}
  .logo-chip{flex:1 1 150px;min-width:130px;height:62px;border:1px dashed var(--hair-dark);border-radius:2px;
    display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:10.5px;
    letter-spacing:.14em;color:var(--on-dark-mut);text-transform:uppercase}

  /* writing */
  .writing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
  .post{border:1px solid var(--hair-light);border-radius:2px;padding:26px;background:var(--cream-2);
    display:flex;flex-direction:column;gap:12px;min-width:0;transition:transform .15s,border-color .18s}
  .post:hover{transform:translateY(-2px);border-color:var(--magenta)}
  .post .ptype{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
  .post h3{font-size:18px;line-height:1.25;color:var(--on-light)}
  .post .pmeta{font-size:13px;color:var(--on-light-mut);margin-top:auto}
  .follow-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px}

  /* about */
  .about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(30px,5vw,60px);align-items:start;margin-top:10px}
  .pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .pill{border:1px solid var(--hair-light);border-radius:999px;padding:9px 18px;font-size:13.5px;color:var(--on-light);font-family:var(--font-body)}
  .band-dark .pill,.band-dark-2 .pill{border-color:var(--hair-dark);color:var(--cream)}

  /* work offerings */
  .offers{display:flex;flex-direction:column;gap:0;margin-top:14px;border-top:1px solid var(--hair-dark)}
  .offer{display:grid;grid-template-columns:.4fr 1.6fr;gap:28px;padding:30px 0;border-bottom:1px solid var(--hair-dark);align-items:start}
  .offer .o-k{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--gold)}
  .offer h3{font-size:22px;color:var(--cream);margin-bottom:10px}
  .offer p{margin:0;color:var(--on-dark-mut);font-size:15.5px;max-width:58ch}
  .offer .who{margin-top:10px;font-size:13.5px;color:var(--on-dark-mut)}
  .offer .who b{color:var(--gold);font-weight:500;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}

  /* work + book */
  .work-head h2{font-size:clamp(28px,4.4vw,46px);max-width:16ch}
  .chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
  .chip{border:1px solid var(--hair-dark);border-radius:999px;padding:9px 18px;font-size:13.5px;color:var(--cream);font-family:var(--font-body)}
  .chip .dot{color:var(--magenta)}
  .book{margin-top:20px;border:1px solid var(--hair-dark);border-radius:3px;background:var(--charcoal-2);
    padding:clamp(28px,4vw,46px);display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:center}
  .book h3{font-size:24px;color:var(--cream);margin-bottom:12px}
  .book p{margin:0 0 24px;color:var(--on-dark-mut);font-size:15.5px;max-width:42ch}
  .cal-slot{border:1px dashed var(--hair-dark);border-radius:2px;min-height:230px;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px;background:rgba(232,51,138,.04)}
  .cal-slot .cs-title{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
  .cal-slot .cs-sub{font-size:13px;color:var(--on-dark-mut);max-width:30ch}
  .expect{list-style:none;margin:30px 0 0;padding:0;display:flex;flex-direction:column;gap:14px;max-width:52ch}
  .expect li{padding-left:26px;position:relative;color:var(--on-dark-mut);font-size:15.5px}
  .expect li::before{content:"";position:absolute;left:0;top:11px;width:12px;height:1px;background:var(--magenta)}

  /* contact */
  .contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(30px,5vw,56px);margin-top:14px;align-items:start}
  .form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
  .form-field label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-mut)}
  .form-field input,.form-field textarea{background:var(--charcoal-3);border:1px solid var(--hair-dark);border-radius:2px;
    color:var(--on-dark);font-family:var(--font-body);font-size:15px;padding:12px 14px;width:100%}
  .form-field textarea{min-height:130px;resize:vertical}
  .form-field input:focus,.form-field textarea:focus{border-color:var(--magenta);outline:none}
  .form-sent{display:none;border:1px solid var(--gold);border-radius:2px;padding:20px;background:rgba(212,164,55,.06);
    font-size:15px;color:var(--on-dark)}
  .form-sent.show{display:block}
  .form-note{font-family:var(--font-mono);font-size:11.5px;color:var(--on-dark-mut);margin-top:14px;letter-spacing:.03em}
  .aside-block{border:1px solid var(--hair-dark);border-radius:2px;padding:26px;background:var(--charcoal-2)}
  .aside-block h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin:0 0 14px;font-weight:500}
  .copytext{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
  .copytext code{font-family:var(--font-mono);font-size:14px;color:var(--cream);background:var(--charcoal-3);
    padding:8px 11px;border:1px solid var(--hair-dark);border-radius:2px;user-select:all}
  .copybtn{background:none;border:1px solid var(--hair-dark);color:var(--on-dark-mut);border-radius:2px;
    font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:7px 10px;cursor:pointer}
  .copybtn:hover{color:var(--magenta);border-color:var(--magenta)}

  /* footer */
  footer{background:var(--charcoal-3);border-top:1px solid rgba(255,255,255,.06)}
  footer .wrap{padding-block:52px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
  footer .fbrand{font-family:var(--font-display);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:14px;color:var(--cream)}
  footer .fbrand b{color:var(--magenta)}
  footer .ftag{margin-top:14px;font-size:14px;color:var(--on-dark-mut);max-width:34ch}
  footer .fcred{margin-top:22px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--on-dark-mut)}
  footer h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--on-dark-mut);margin:0 0 16px;font-weight:500}
  footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
  footer ul a{font-size:14.5px;color:var(--on-dark);transition:color .18s}
  footer ul a:hover{color:var(--magenta)}
  .copy{border-top:1px solid rgba(255,255,255,.06)}
  .copy .wrap{padding-block:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:12.5px;color:var(--on-dark-mut);font-family:var(--font-mono);letter-spacing:.04em}

  @media (max-width:900px){
    .hero .wrap{grid-template-columns:1fr}.hero .portrait-col{max-width:360px}
    .cards3,.writing-grid{grid-template-columns:1fr 1fr}
    .steps,.principles{grid-template-columns:1fr}.steps{border-top:0}
    .step{border-right:0;border-top:1px solid var(--hair-dark);padding:24px 0}
    .book,.about-grid,.contact-grid{grid-template-columns:1fr;gap:26px}
    .offer{grid-template-columns:1fr;gap:10px}
    footer .wrap{grid-template-columns:1fr 1fr}
  }
  @media (max-width:640px){
    .nav-links{position:absolute;top:100%;right:0;left:0;flex-direction:column;align-items:flex-start;gap:0;
      background:var(--charcoal-3);border-bottom:1px solid rgba(255,255,255,.08);padding:8px 0;display:none}
    .nav-links.open{display:flex}
    .nav-links a{padding:13px max(20px,env(safe-area-inset-left,0px));width:100%}
    .nav-links a.active:not(.btn)::after{display:none}
    .nav-links .btn{margin:10px max(20px,env(safe-area-inset-left,0px))}
    .nav-toggle{display:block}
    .shift-grid,.cards3,.writing-grid{grid-template-columns:1fr}
    footer .wrap{grid-template-columns:1fr}
  }


/* ---- production extras ---- */
.form-err{display:none;border:1px solid var(--magenta);border-radius:2px;padding:20px;background:rgba(232,51,138,.07);font-size:15px;color:var(--on-dark);margin-top:14px}
.form-err.show{display:block}