:root{
    /* ---- palette ---- */
    --bg:        #F6F8FB;   /* cool paper white */
    --surface:   #FFFFFF;
    --ink:       #0B1220;   /* near-black navy — ties to parent #0B0F16 */
    --ink-soft:  #51607A;   /* muted slate body text */
    --ink-faint: #677085;
    --line:      #E2E8F2;   /* hairline borders */
    --line-soft: #EDF1F7;
    --field-border:#808896; /* AA 3:1 non-text contrast for form controls */
    --accent:    #0A5BC2;   /* Delta cobalt — links / accents on light */
    --accent-strong:#08509E;/* deeper cobalt — button backgrounds (AA on white text) */
    --accent-wash:#E8F1FB;  /* tint */
    --grid:      rgba(10,91,194,.055); /* blueprint grid line */

    /* ---- type ---- */
    --display:'Space Grotesk', system-ui, sans-serif;
    --body:'Inter', system-ui, sans-serif;
    --mono:'JetBrains Mono', ui-monospace, monospace;

    /* ---- rhythm ---- */
    --maxw: 1160px;
    --pad: clamp(20px, 5vw, 64px);
    --section-y: clamp(64px, 9vw, 128px);
    --radius: 14px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--body);
    color:var(--ink);
    background:var(--bg);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.08;letter-spacing:-.02em;margin:0;}
  p{margin:0;}
  a{color:inherit;text-decoration:none;}

  /* ---- accessibility: skip link + focus ---- */
  .skip{
    position:absolute;left:12px;top:-60px;z-index:999;
    background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;
    font-family:var(--mono);font-size:.8rem;transition:top .2s ease;
  }
  .skip:focus{top:12px;}
  a:focus-visible, button:focus-visible{
    outline:3px solid var(--accent);
    outline-offset:3px;border-radius:4px;
  }

  .wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}

  /* ---- mono eyebrow / spec label ---- */
  .eyebrow{
    font-family:var(--mono);font-size:.72rem;font-weight:500;
    letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
    display:inline-flex;align-items:center;gap:.5em;
  }
  .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block;}

  /* ============ HEADER / NAV ============ */
  header.site{
    position:sticky;top:0;z-index:100;
    background:rgba(246,248,251,.82);
    backdrop-filter:saturate(160%) blur(12px);
    border-bottom:1px solid transparent;
    transition:border-color .25s ease, background .25s ease;
  }
  header.site.scrolled{border-bottom-color:var(--line);background:rgba(246,248,251,.94);}
  .nav{display:flex;align-items:center;justify-content:space-between;height:116px;transition:height .3s cubic-bezier(.4,0,.2,1);}
  header.site.scrolled .nav{height:90px;}
  .brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);}
  .brand-logo{height:76px;width:auto;display:block;transition:height .3s cubic-bezier(.4,0,.2,1);}
  header.site.scrolled .brand-logo{height:60px;}
  .brand .glyph{
    width:30px;height:30px;display:grid;place-items:center;
    background:var(--ink);border-radius:8px;
  }
  .brand .glyph svg{width:16px;height:16px;}
  .brand .name{font-family:var(--display);font-weight:700;font-size:1.12rem;letter-spacing:-.02em;}
  .brand .name b{color:var(--accent);font-weight:700;}

  .nav-links{display:flex;align-items:center;gap:6px;}
  .nav-links a.navlink{
    font-size:.92rem;font-weight:500;color:var(--ink-soft);
    padding:9px 14px;border-radius:8px;transition:color .18s, background .18s;
  }
  .nav-links a.navlink:hover{color:var(--ink);background:var(--line-soft);}
  .btn{
    display:inline-flex;align-items:center;gap:.5em;
    font-family:var(--body);font-weight:600;font-size:.92rem;
    padding:11px 18px;border-radius:10px;cursor:pointer;border:1px solid transparent;
    transition:transform .15s ease, background .18s ease, box-shadow .18s ease, color .18s;
  }
  .btn-primary{background:var(--accent-strong);color:#fff;box-shadow:0 1px 2px rgba(11,18,32,.18);}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(21,57,201,.28);}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--ink);background:var(--surface);}
  .btn-lg{padding:14px 24px;font-size:1rem;border-radius:11px;}

  .menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;
    width:42px;height:42px;cursor:pointer;align-items:center;justify-content:center;}
  .menu-toggle svg{width:20px;height:20px;}

  /* ============ HERO ============ */
  .hero{
    position:relative;overflow:hidden;
    padding-top:clamp(56px,8vw,104px);padding-bottom:clamp(56px,8vw,104px);
    /* blueprint grid */
    background-image:
      linear-gradient(var(--grid) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size:44px 44px;
    background-position:center top;
  }
  .hero::after{ /* fade grid out toward edges/bottom */
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(120% 80% at 50% 0%, transparent 40%, var(--bg) 100%);
  }
  .hero .wrap{position:relative;z-index:1;}
  .hero-inner{max-width:860px;}
  .hero h1{
    font-size:clamp(2.3rem, 5.4vw, 4.1rem);
    margin:22px 0 0;
  }
  .hero h1 .em{color:var(--accent);}
  .hero .lede{
    font-size:clamp(1.05rem,1.7vw,1.28rem);color:var(--ink-soft);
    max-width:660px;margin:22px 0 0;
  }
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

  /* spec annotation under hero */
  .spec-strip{
    margin-top:44px;display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;
    padding-top:22px;border-top:1px dashed var(--line);
  }
  .spec-strip .spec{
    font-family:var(--mono);font-size:.74rem;color:var(--ink-faint);
    display:inline-flex;align-items:center;gap:.6em;letter-spacing:.04em;
  }
  .spec-strip .spec b{color:var(--ink);font-weight:500;}
  .spec-strip .tick{width:7px;height:7px;border:1.5px solid var(--accent);transform:rotate(45deg);display:inline-block;}

  .mission{
    margin-top:42px;font-family:var(--display);font-weight:500;
    font-size:clamp(1.15rem,2vw,1.5rem);line-height:1.4;letter-spacing:-.01em;
    color:var(--ink);max-width:780px;
  }
  .mission b{color:var(--accent);font-weight:600;}

  /* ============ STAT BAND ============ */
  .stats{background:var(--ink);color:#fff;}
  .stats .wrap{padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(48px,7vw,84px);}
  .stats .eyebrow{color:#79ABEC;}
  .stats .eyebrow::before{background:#79ABEC;}
  .stats h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);max-width:680px;margin-top:16px;}
  .stat-grid{
    display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:48px;
  }
  .stat .num{font-family:var(--display);font-weight:700;font-size:clamp(2.2rem,4vw,3.1rem);letter-spacing:-.03em;line-height:1;}
  .stat .num .u{color:#79ABEC;}
  .stat .lab{margin-top:12px;font-size:.92rem;color:#AEB9CF;line-height:1.5;}
  .stat{border-top:1px solid rgba(255,255,255,.16);padding-top:18px;}
  .stats .src{margin-top:34px;font-family:var(--mono);font-size:.7rem;color:#8390AD;letter-spacing:.03em;}

  /* ============ SECTION SCAFFOLD ============ */
  section{padding-top:var(--section-y);padding-bottom:var(--section-y);}
  .sec-head{max-width:720px;margin-bottom:52px;}
  .sec-head h2{font-size:clamp(1.9rem,3.4vw,2.7rem);margin-top:16px;}
  .sec-head p{color:var(--ink-soft);font-size:1.08rem;margin-top:16px;}

  /* ============ SERVICES ============ */
  .svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
  .card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
    padding:30px;position:relative;transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .card:hover{border-color:#C9D5EA;transform:translateY(-3px);box-shadow:0 14px 40px rgba(11,18,32,.07);}
  .card .idx{font-family:var(--mono);font-size:.72rem;color:var(--ink-faint);letter-spacing:.1em;}
  .card .ic{
    width:46px;height:46px;border-radius:11px;background:var(--accent-wash);
    display:grid;place-items:center;margin:14px 0 16px;color:var(--accent-strong);
  }
  .card .ic svg{width:23px;height:23px;}
  .card h3{font-size:1.28rem;}
  .card p{color:var(--ink-soft);margin-top:10px;font-size:.98rem;}

  /* foundation band */
  .foundation{
    margin-top:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px;
  }
  .pillar{
    border:1px solid var(--line);border-radius:var(--radius);padding:30px;
    background:linear-gradient(180deg,#fff, #FBFCFF);position:relative;overflow:hidden;
  }
  .pillar::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);
  }
  .pillar .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);}
  .pillar h3{font-size:1.22rem;margin-top:12px;display:flex;align-items:center;gap:10px;}
  .pillar h3 svg{width:20px;height:20px;color:var(--accent-strong);flex:none;}
  .pillar p{color:var(--ink-soft);margin-top:10px;font-size:.98rem;}
  .foundation-note{
    grid-column:1/-1;font-family:var(--mono);font-size:.74rem;color:var(--ink-faint);
    letter-spacing:.04em;display:flex;align-items:center;gap:10px;margin-bottom:2px;
  }
  .foundation-note .ln{height:1px;background:var(--line);flex:1;}

  /* ============ APPROACH ============ */
  .approach{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .steps{display:grid;gap:0;}
  .step{
    display:grid;grid-template-columns:120px 1fr;gap:36px;align-items:start;
    padding:30px 0;border-top:1px solid var(--line);
  }
  .step:first-child{border-top:0;}
  .step .n{font-family:var(--mono);font-size:1.05rem;color:var(--accent);font-weight:500;}
  .step .n span{display:block;font-size:.68rem;color:var(--ink-faint);letter-spacing:.16em;margin-top:6px;}
  .step h3{font-size:1.45rem;}
  .step p{color:var(--ink-soft);margin-top:10px;max-width:620px;}

  /* ============ WHY US ============ */
  .why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
  .why{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);}
  .why h3{font-size:1.2rem;display:flex;align-items:flex-start;gap:12px;}
  .why h3 .b{width:9px;height:9px;background:var(--accent);transform:rotate(45deg);flex:none;margin-top:8px;}
  .why p{color:var(--ink-soft);margin-top:10px;font-size:.98rem;}

  /* ============ ABOUT ============ */
  .about{background:var(--ink);color:#fff;border-radius:0;}
  .about .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .about .eyebrow{color:#79ABEC;}
  .about .eyebrow::before{background:#79ABEC;}
  .about h2{color:#fff;font-size:clamp(1.7rem,3vw,2.4rem);margin-top:16px;}
  .about p{color:#B7C2D8;margin-top:18px;font-size:1.05rem;}
  .about .parent{
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
    border-radius:var(--radius);padding:30px;
  }
  .about .parent .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#79ABEC;}
  .about .parent h3{color:#fff;font-size:1.3rem;margin-top:10px;}
  .about .parent p{color:#AEB9CF;font-size:.96rem;margin-top:12px;}
  .about .parent a{color:#9DB4FF;font-family:var(--mono);font-size:.82rem;display:inline-flex;gap:.5em;margin-top:18px;border-bottom:1px solid transparent;}
  .about .parent a:hover{border-bottom-color:#9DB4FF;}

  /* ============ CTA + CONTACT ============ */
  .cta{text-align:center;}
  .cta h2{font-size:clamp(2rem,4vw,3rem);max-width:680px;margin:0 auto;}
  .cta p{color:var(--ink-soft);font-size:1.1rem;margin:18px auto 0;max-width:540px;}
  .cta-row{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;margin-top:34px;}
  .cta-phone{font-family:var(--mono);font-size:1.05rem;color:var(--ink);display:inline-flex;align-items:center;gap:.6em;}
  .cta-phone svg{width:18px;height:18px;color:var(--accent);}
  .contact-meta{
    margin-top:40px;display:flex;flex-wrap:wrap;gap:10px 36px;justify-content:center;
    font-family:var(--mono);font-size:.8rem;color:var(--ink-faint);
  }
  .contact-meta a{color:var(--ink-soft);}
  .contact-meta a:hover{color:var(--accent);}

  /* ============ FOOTER ============ */
  footer.site{background:var(--bg);border-top:1px solid var(--line);padding:54px 0 40px;}
  .foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;align-items:flex-start;}
  .foot-links{display:flex;flex-wrap:wrap;gap:6px 22px;}
  .foot-links a{font-size:.9rem;color:var(--ink-soft);}
  .foot-links a:hover{color:var(--ink);}
  .foot-bottom{
    margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
    font-family:var(--mono);font-size:.74rem;color:var(--ink-faint);letter-spacing:.03em;
  }
  .foot-bottom a{color:var(--ink-soft);}
  .foot-bottom a:hover{color:var(--accent);}

  /* ============ reveal animation ============ */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;}
  .reveal.in{opacity:1;transform:none;}

  /* ============ responsive ============ */
  @media (max-width:880px){
    .nav{height:86px;}
    header.site.scrolled .nav{height:70px;}
    .brand-logo{height:56px;}
    header.site.scrolled .brand-logo{height:48px;}
    .nav-links{
      position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
      background:var(--surface);border-bottom:1px solid var(--line);
      padding:14px var(--pad) 24px;gap:4px;display:none;box-shadow:0 16px 40px rgba(11,18,32,.10);
    }
    .nav-links.open{display:flex;}
    .nav-links a.navlink{padding:13px 12px;font-size:1rem;}
    .nav-links .btn{margin-top:8px;justify-content:center;}
    .menu-toggle{display:inline-flex;}
    .stat-grid{grid-template-columns:repeat(2,1fr);gap:30px 22px;}
    .svc-grid,.foundation,.why-grid{grid-template-columns:1fr;}
    .step{grid-template-columns:1fr;gap:8px;}
    .step .n{display:flex;align-items:baseline;gap:14px;}
    .step .n span{margin-top:0;}
    .about .wrap{grid-template-columns:1fr;gap:32px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{scroll-behavior:auto!important;}
    .reveal{opacity:1;transform:none;transition:none;}
    .btn:hover,.card:hover{transform:none;}
  }

/* ============================================================
   MULTI-PAGE ADDITIONS (inner pages, forms, active nav)
   ============================================================ */

/* active nav link */
.nav-links a.navlink[aria-current="page"]{color:var(--accent);background:var(--accent-wash);}

/* inner-page hero (smaller than home hero, same blueprint grid) */
.page-hero{
  position:relative;overflow:hidden;
  padding-top:clamp(48px,6vw,88px);padding-bottom:clamp(44px,5vw,72px);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size:44px 44px;background-position:center top;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 0%, transparent 45%, var(--bg) 100%);
}
.page-hero .wrap{position:relative;z-index:1;}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.4rem);margin-top:18px;max-width:16ch;}
.page-hero .lede{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--ink-soft);max-width:600px;margin-top:20px;}

/* service / generic detail rows */
.detail{
  display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,64px);
  padding:clamp(40px,6vw,72px) 0;border-top:1px solid var(--line);align-items:start;
}
.detail:first-of-type{border-top:0;padding-top:0;}
.detail .num{font-family:var(--mono);color:var(--accent);font-size:.78rem;letter-spacing:.14em;}
.detail h2{font-size:clamp(1.45rem,2.6vw,2rem);margin-top:12px;}
.detail .body p{color:var(--ink-soft);margin-top:16px;font-size:1.02rem;}
.detail-aside{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;position:sticky;top:96px;
}
.detail-aside .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:18px;}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:13px;}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--ink);font-size:.96rem;line-height:1.5;}
.checklist li svg{width:18px;height:18px;color:var(--accent);flex:none;margin-top:3px;}

/* foundation callout used on services page */
.found-band{
  background:var(--ink);border-radius:var(--radius);padding:clamp(30px,5vw,52px);
  margin-top:clamp(40px,6vw,72px);
}
.found-band .eyebrow{color:#79ABEC;}
.found-band .eyebrow::before{background:#79ABEC;}
.found-band h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.9rem);margin-top:14px;max-width:24ch;}
.found-band .fb-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px;}
.found-band .fb h3{color:#fff;font-size:1.15rem;display:flex;align-items:center;gap:10px;}
.found-band .fb h3 svg{width:20px;height:20px;color:#79ABEC;flex:none;}
.found-band .fb p{color:#AEB9CF;margin-top:10px;font-size:.96rem;}

/* contact form */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(36px,6vw,72px);align-items:start;}
.form{display:grid;gap:18px;}
.field{display:grid;gap:7px;}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-soft);}
.field label .req{color:var(--accent);}
.field input,.field textarea,.field select{
  font-family:var(--body);font-size:1rem;padding:13px 15px;border:1px solid var(--field-border);
  border-radius:10px;background:var(--surface);color:var(--ink);width:100%;
}
.field input:focus-visible,.field textarea:focus-visible,.field select:focus-visible{
  outline:3px solid var(--accent);outline-offset:2px;border-color:var(--accent);
}
.field textarea{min-height:150px;resize:vertical;}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-note{font-family:var(--mono);font-size:.73rem;color:var(--ink-faint);line-height:1.6;}
.contact-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;}
.contact-card .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);}
.contact-card .row-item{padding:18px 0;border-top:1px solid var(--line);}
.contact-card .row-item:first-of-type{border-top:0;padding-top:8px;}
.contact-card .row-item .lab{font-size:.8rem;color:var(--ink-faint);}
.contact-card .row-item a,.contact-card .row-item span.val{display:block;margin-top:4px;font-size:1.05rem;color:var(--ink);font-weight:500;}
.contact-card .row-item a:hover{color:var(--accent);}
.form-status{font-size:.95rem;padding:12px 14px;border-radius:10px;display:none;}
.form-status.show{display:block;}
.form-status.ok{background:var(--accent-wash);color:var(--accent-strong);}

@media (max-width:880px){
  .detail{grid-template-columns:1fr;}
  .detail-aside{position:static;}
  .found-band .fb-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .form .row{grid-template-columns:1fr;}
}

/* "more" arrow links on overview sections */
.more-link{
  font-family:var(--mono);font-size:.82rem;color:var(--accent);letter-spacing:.03em;
  display:inline-flex;gap:.5em;align-items:center;margin-top:34px;
  border-bottom:1px solid transparent;width:fit-content;
}
.more-link:hover{border-bottom-color:var(--accent);}
.card-more{font-family:var(--mono);font-size:.78rem;color:var(--accent);margin-top:16px;display:inline-flex;gap:.4em;}
.card-more:hover{text-decoration:underline;}

/* spacing: lists that follow descriptive paragraphs */
.detail .body .checklist, .step .checklist{margin-top:20px;}
.step .checklist{margin-bottom:4px;}

/* ============================================================
   WCAG 2.2 AA hardening
   ============================================================ */

/* 2.4.11 Focus Not Obscured + anchored targets clear the sticky header */
html{scroll-padding-top:104px;}
:target{scroll-margin-top:100px;}

/* 2.5.8 Target Size (Minimum, 24px) for standalone footer nav links */
.foot-links a{display:inline-block;padding:5px 0;}

/* visually-hidden utility (kept out of view but available to AT when needed) */
.visually-hidden{
  position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* thank-you page */
.thanks{text-align:center;max-width:560px;margin:0 auto;}
.thanks .ic{width:64px;height:64px;border-radius:50%;background:var(--accent-wash);color:var(--accent-strong);display:grid;place-items:center;margin:0 auto 24px;}
.thanks .ic svg{width:30px;height:30px;}

/* hCaptcha widget spacing + form error state */
.captcha-field{margin:2px 0;}
.form-status.err{background:#FCEBEA;color:#8A1B16;}