:root{
    --ink:#11253F;
    --ink-soft:#1E3A5A;
    --paper:#EDEEEA;
    --paper-raised:#F7F7F4;
    --line:rgba(17,37,63,0.14);
    --line-strong:rgba(17,37,63,0.28);
    --text-body:#3C4750;
    --muted:#6B7680;
    --brass:#AD8453;
    --brass-dark:#87653E;
    --patina:#5C7A6E;
    --radius:2px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--text-body);
    font-family:'IBM Plex Sans', sans-serif;
    font-size:16px;
    line-height:1.6;
  }
  h1,h2,h3{
    font-family:'Archivo', sans-serif;
    color:var(--ink);
    margin:0;
    line-height:1.12;
    letter-spacing:-0.01em;
  }
  a{color:inherit;}
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size:11.5px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    color:var(--patina);
    font-weight:500;
  }
  .wrap{max-width:1080px;margin:0 auto;padding:0 32px;}
  :focus-visible{outline:2px solid var(--brass);outline-offset:2px;}

  /* nav */
  header{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);z-index:10;}
  nav.wrap{display:flex;align-items:center;justify-content:space-between;height:76px;}
  .mark{display:flex;align-items:center;gap:11px;text-decoration:none;}
  .mark svg{display:block;}
  .mark span{
    font-family:'Archivo';font-weight:700;font-size:15.5px;letter-spacing:0.04em;
    color:var(--ink);text-transform:uppercase;
  }
  .navlinks{display:flex;align-items:center;gap:36px;}
  .navlinks a{
    font-size:14px;text-decoration:none;color:var(--ink-soft);
    border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .15s;
  }
  .navlinks a:hover{border-color:var(--brass);}
  .navlinks a.active{color:var(--ink);border-color:var(--brass);}
  .btn{
    font-family:'IBM Plex Sans';font-weight:500;font-size:14px;
    padding:11px 20px;border-radius:var(--radius);text-decoration:none;
    display:inline-block;transition:transform .15s, background .15s, color .15s, border-color .15s;
    cursor:pointer;border:1px solid transparent;
  }
  .btn:active{transform:scale(0.98);}
  .btn-primary{background:var(--ink);color:var(--paper);}
  .btn-primary:hover{background:var(--ink-soft);}
  .btn-outline{border-color:var(--line-strong);color:var(--ink);}
  .btn-outline:hover{border-color:var(--ink);}
  .btn-brass{background:var(--brass);color:var(--ink);}
  .btn-brass:hover{background:var(--brass-dark);color:var(--paper);}

  /* hero */
  .hero{padding:88px 0 56px;}
  .hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .hero h1{font-size:46px;margin:18px 0 22px;max-width:480px;}
  .hero p.lead{font-size:17px;max-width:440px;color:var(--text-body);margin:0 0 30px;}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
  figure{margin:0;}
  figcaption{
    font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:0.04em;
    color:var(--muted);text-align:center;margin-top:8px;
  }

  /* strip */
  .strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0;}
  .strip-row{display:flex;align-items:center;gap:0;}
  .strip-row .eyebrow{margin-right:40px;flex-shrink:0;}
  .strip-items{display:flex;flex:1;}
  .strip-items div{
    flex:1;padding:0 28px;font-size:15px;color:var(--ink-soft);font-weight:500;
    border-left:1px solid var(--line);
  }
  .strip-items div:first-child{border-left:none;padding-left:0;}

  /* services */
  .section{padding:80px 0;}
  .section-head{max-width:560px;margin-bottom:44px;}
  .section-head h2{font-size:30px;margin-top:14px;}
  .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
  .card{
    background:var(--paper-raised);padding:28px 24px;transition:background .15s;
  }
  .card:hover{background:#fff;}
  .card h3{font-size:16.5px;margin:14px 0 10px;font-weight:700;}
  .card p{font-size:14px;color:var(--muted);margin:0;line-height:1.55;}

  /* approach */
  .approach-wrap{position:relative;padding-top:18px;}
  .approach-line{display:block;width:100%;height:34px;margin-bottom:-2px;}
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:end;}
  .step{
    background:var(--paper-raised);border:1px solid var(--line);padding:22px 18px;
  }
  .step.final{
    background:var(--ink);border-color:var(--ink);transform:translateY(-14px);
  }
  .step .num{font-family:'IBM Plex Mono';font-size:11px;color:var(--patina);}
  .step.final .num{color:var(--brass);}
  .step h3{font-size:15px;margin:10px 0 6px;}
  .step.final h3{color:var(--paper);}
  .step p{font-size:13px;color:var(--muted);margin:0;}
  .step.final p{color:#C7CCD3;}

  /* about */
  .about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;}
  .about-grid p{font-size:15.5px;color:var(--text-body);max-width:480px;}
  .contact-card{
    background:var(--paper-raised);border:1px solid var(--line);padding:28px;
  }
  .contact-card .label{font-size:12px;color:var(--muted);margin-bottom:4px;}
  .contact-card .value{font-size:15px;color:var(--ink);font-weight:500;margin-bottom:18px;}

  /* cta band */
  .cta-band{background:var(--ink);color:var(--paper);padding:64px 0;text-align:center;}
  .cta-band h2{color:var(--paper);font-size:28px;}
  .cta-band p{color:#B9C0C8;font-size:15.5px;margin:10px 0 26px;}

  /* footer */
  footer{padding:44px 0;border-top:1px solid var(--line);}
  .foot-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;}
  .foot-links{display:flex;gap:26px;font-size:13.5px;color:var(--muted);}
  .foot-links a{text-decoration:none;}
  .foot-links a:hover{color:var(--ink);}
  .copyright{font-size:12.5px;color:var(--muted);margin-top:24px;font-family:'IBM Plex Mono';}

  /* inner page header */
  .page-header{padding:72px 0 48px;border-bottom:1px solid var(--line);}
  .page-header h1{font-size:36px;margin:14px 0 16px;max-width:640px;}
  .page-header p.lead{font-size:16.5px;color:var(--text-body);max-width:600px;margin:0;}

  /* detail blocks (services / about) */
  .detail{padding:48px 0;border-bottom:1px solid var(--line);}
  .detail:last-of-type{border-bottom:none;}
  .detail-grid{display:grid;grid-template-columns:240px 1fr;gap:48px;}
  .detail h2{font-size:23px;margin:8px 0 14px;}
  .detail p{font-size:15px;color:var(--text-body);max-width:560px;margin:0 0 16px;}
  .check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;max-width:480px;}
  .check-list li{font-size:14px;color:var(--ink-soft);padding-left:20px;position:relative;}
  .check-list li::before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;background:var(--brass);}
  .section-link{display:inline-block;margin-top:6px;font-size:14px;color:var(--ink);font-weight:500;text-decoration:none;border-bottom:1px solid var(--brass);}
  .section-link:hover{color:var(--brass-dark);}

  /* values (about page) */
  .values{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:8px 0 40px;}
  .values div{background:var(--paper-raised);padding:24px;}
  .values p.eyebrow{margin-bottom:10px;}
  .values h3{font-size:15.5px;margin:0 0 8px;}
  .values p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.55;}

  /* contact page */
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}

  @media (max-width:880px){
    .detail-grid{grid-template-columns:1fr;gap:14px;}
    .values{grid-template-columns:1fr;}
    .contact-grid{grid-template-columns:1fr;}
    .navlinks{display:none;}
    .hero-grid{grid-template-columns:1fr;}
    .hero h1{font-size:34px;}
    .strip-row{flex-direction:column;align-items:flex-start;gap:18px;}
    .strip-items{flex-direction:column;width:100%;}
    .strip-items div{border-left:none;border-top:1px solid var(--line);padding:14px 0;}
    .strip-items div:first-child{border-top:none;}
    .cards{grid-template-columns:1fr 1fr;}
    .steps{grid-template-columns:1fr 1fr;}
    .step.final{transform:none;}
    .about-grid{grid-template-columns:1fr;}
  }
  @media (max-width:560px){
    .cards{grid-template-columns:1fr;}
    .steps{grid-template-columns:1fr;}
  }
  @media (prefers-reduced-motion: reduce){
    *{transition:none !important;scroll-behavior:auto !important;}
  }