/* Expert Systems site styles. Shared by every page. */
:root{
  --navy:#1B3A5C; --navy-deep:#12293F; --navy-ink:#0F2236;
  --orange:#E8833A; --orange-deep:#C9682A;
  --blue-tint:#EEF2F6; --blue-line:#D5DEE8;
  --paper:#FFFFFF; --text:#1B2A3A; --muted:#5B6B7C;
  --font-display:'IBM Plex Serif',Georgia,'Times New Roman',serif;
  --font-body:'IBM Plex Sans','Segoe UI',Arial,sans-serif;
  --max:1180px; --gutter:clamp(18px, 4vw, 48px);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3{font-family:var(--font-display);color:var(--navy);margin:0;font-weight:600;letter-spacing:-.01em;line-height:1.2;}
h1{font-size:clamp(30px, 3.6vw, 44px);}
h2{font-size:clamp(24px, 2.6vw, 32px);}
h3{font-size:20px;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
.hidden{display:none !important;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter);}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:5px;font-family:var(--font-body);font-weight:600;font-size:15px;border:2px solid transparent;cursor:pointer;transition:background .18s, border-color .18s, color .18s;}
.btn-orange{background:var(--orange);color:#fff;}
.btn-orange:hover{background:var(--orange-deep);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-navy{background:var(--navy);color:#fff;}
.btn-navy:hover{background:var(--navy-deep);}
.btn-line{background:transparent;color:var(--navy);border-color:var(--navy);}
.btn-line:hover{background:var(--navy);color:#fff;}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--blue-line);}
.header .wrap{display:flex;align-items:center;gap:28px;height:74px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand strong{font-family:var(--font-display);font-size:19px;font-weight:600;color:var(--navy);display:block;line-height:1.1;}
.brand span span{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.03em;margin-top:3px;}
.nav{display:flex;gap:24px;margin-inline-start:auto;}
.nav a{font-size:15px;font-weight:500;color:var(--navy);padding:6px 0;border-bottom:2px solid transparent;}
.nav a:hover{border-bottom-color:var(--blue-line);}
.nav a.active{border-bottom-color:var(--orange);}
.header .btn{padding:10px 18px;font-size:14px;}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--blue-line);border-radius:6px;background:#fff;cursor:pointer;margin-inline-start:auto;align-items:center;justify-content:center;}
.mobile-nav{display:none;background:#fff;border-bottom:1px solid var(--blue-line);}
.mobile-nav a{display:block;padding:14px var(--gutter);border-top:1px solid var(--blue-line);font-weight:500;color:var(--navy);}
.mobile-nav.open{display:block;}

/* Hero (home) */
.hero{background:linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 70%, var(--navy-ink) 100%);color:#fff;padding:clamp(48px, 7vw, 96px) 0 clamp(44px, 6vw, 84px);}
.hero .wrap{display:grid;grid-template-columns:minmax(0, 1.05fr) minmax(0, .95fr);gap:clamp(28px, 5vw, 72px);align-items:center;}
.hero h1{color:#fff;max-width:24ch;}
.hero .lead{color:#C9D5E3;font-size:clamp(17px, 1.3vw, 19px);max-width:54ch;margin-top:20px;}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.hero .note{margin-top:24px;color:#9FB2C8;font-size:14px;max-width:52ch;}
.schedule{width:100%;height:auto;display:block;filter:drop-shadow(0 20px 40px rgba(0,0,0,.35));}
.schedule .bar{fill:#2E5C8A;}
.schedule .bar.done{fill:#6F9BC9;}
.schedule .bar.crit{fill:var(--orange);}
.schedule .ms{fill:var(--orange);}
.schedule .grid{stroke:rgba(255,255,255,.08);}
.schedule .dd{stroke:#fff;stroke-dasharray:4 5;}
.schedule .plan{fill:none;stroke:rgba(255,255,255,.55);stroke-width:2;stroke-dasharray:5 5;}
.schedule .act{fill:none;stroke:var(--orange);stroke-width:3;stroke-linecap:round;stroke-dasharray:900;stroke-dashoffset:900;animation:draw 2.2s ease-out .4s forwards;}
.schedule .lbl{fill:#9FB2C8;font-family:var(--font-body);font-size:11px;}
.schedule .ttl{fill:#fff;font-family:var(--font-body);font-size:12px;font-weight:600;}
@keyframes draw{to{stroke-dashoffset:0;}}
@media (prefers-reduced-motion:reduce){ .schedule .act{animation:none;stroke-dashoffset:0;} }

/* Inner page head */
.page-head{background:linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);color:#fff;padding:clamp(40px, 5vw, 64px) 0;}
.page-head h1{color:#fff;max-width:24ch;}
.page-head p{color:#C9D5E3;max-width:64ch;margin-top:14px;font-size:17.5px;}

/* Strip */
.strip{border-bottom:1px solid var(--blue-line);background:#fff;}
.strip .wrap{display:grid;grid-template-columns:1fr 1fr;}
.strip .cell{padding:20px 0;display:flex;gap:16px;align-items:baseline;flex-wrap:wrap;}
.strip .cell + .cell{border-inline-start:1px solid var(--blue-line);padding-inline-start:32px;}
.strip .k{font-weight:600;font-size:14px;color:var(--navy);flex:0 0 auto;}
.strip .v{color:var(--muted);font-size:15px;}

/* Sections */
.section{padding:clamp(48px, 6vw, 84px) 0;}
.section.tint{background:var(--blue-tint);}
.section.dark{background:var(--navy);color:#fff;}
.section.dark h2,.section.dark h3{color:#fff;}
.section.dark p{color:#C9D5E3;}
.head{max-width:68ch;margin-bottom:clamp(24px, 3.5vw, 40px);}
.head p{color:var(--muted);margin-top:12px;font-size:17.5px;}
.rule{width:48px;height:4px;background:var(--orange);margin-bottom:16px;border-radius:2px;}

/* Service cards (home) */
.scards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.scard{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--blue-line);border-top:3px solid var(--navy);padding:22px 22px 18px;transition:border-color .18s, box-shadow .18s;}
.scard:hover{border-top-color:var(--orange);box-shadow:0 10px 30px rgba(27,58,92,.10);}
.scard h3{font-size:19px;}
.scard p{color:var(--muted);font-size:14.5px;flex:1;}
.scard .more{font-size:13.5px;font-weight:600;color:var(--orange);}

/* Client and sector lists */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px, 5vw, 72px);}
.list-rows{margin-top:16px;}
.list-rows li{padding:11px 0;border-bottom:1px solid var(--blue-line);}
.list-rows li strong{display:block;color:var(--navy);font-weight:600;font-size:15.5px;}
.list-rows li span{color:var(--muted);font-size:14.5px;}

/* Practice areas (services page) */
.jump{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:28px;font-size:14px;}
.jump a{color:var(--navy);border-bottom:1px solid var(--blue-line);padding-bottom:2px;}
.jump a:hover{border-bottom-color:var(--orange);}
.practice{border-top:1px solid var(--blue-line);}
.pa{display:grid;grid-template-columns:minmax(0, .9fr) minmax(0, 1.1fr);gap:clamp(20px, 4vw, 64px);padding:clamp(26px, 3.5vw, 42px) 0;border-bottom:1px solid var(--blue-line);scroll-margin-top:90px;}
.pa h2{font-size:clamp(22px, 2.2vw, 27px);}
.pa .intro{color:var(--muted);margin-top:12px;max-width:46ch;}
.pa .for{margin-top:14px;font-size:14px;color:var(--navy);}
.pa ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;}
.pa li{position:relative;padding-inline-start:22px;font-size:15.5px;line-height:1.5;}
.pa li::before{content:"";position:absolute;inset-inline-start:0;top:9px;width:10px;height:10px;background:var(--orange);transform:rotate(45deg);border-radius:1px;}
.pa .deliv{margin-top:16px;padding:12px 14px;background:var(--blue-tint);border-inline-start:3px solid var(--navy);font-size:14.5px;}
.pa .deliv b{color:var(--navy);}

/* Digital */
.digital .wrap{display:grid;grid-template-columns:minmax(0, 1fr) minmax(0, 1fr);gap:clamp(28px, 5vw, 72px);align-items:center;}
.digital .lead{margin-top:14px;font-size:17.5px;}
.digital ul{margin-top:22px;display:grid;gap:14px;}
.digital li{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;}
.digital li .i{width:38px;height:38px;border-radius:6px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);display:grid;place-items:center;color:var(--orange);}
.digital li b{display:block;color:#fff;font-weight:600;font-size:16px;}
.digital li span{color:#C9D5E3;font-size:15px;}
.mock{background:var(--navy-ink);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:18px;box-shadow:0 30px 60px rgba(0,0,0,.35);}
.mock .mh{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:#9FB2C8;margin-bottom:14px;}
.mock .mh b{color:#fff;font-weight:600;font-size:13.5px;}
.mock .kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px;}
.mock .kpi{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:6px;padding:10px 12px;}
.mock .kpi small{display:block;color:#9FB2C8;font-size:11px;}
.mock .kpi strong{display:block;color:#fff;font-size:20px;margin-top:2px;}
.mock .kpi strong.o{color:var(--orange);}
.mock .rows{display:grid;gap:8px;}
.mock .row{display:grid;grid-template-columns:120px 1fr 44px;gap:10px;align-items:center;font-size:12px;color:#C9D5E3;}
.mock .trk{height:8px;background:rgba(255,255,255,.08);border-radius:4px;overflow:hidden;}
.mock .fill{height:100%;background:#6F9BC9;border-radius:4px;}
.mock .fill.o{background:var(--orange);}
.mock .row em{font-style:normal;text-align:end;color:#fff;}

/* Generic 3-column cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.gcard{background:#fff;border:1px solid var(--blue-line);padding:22px;}
.gcard h3{font-size:18px;}
.gcard p{color:var(--muted);margin-top:10px;font-size:15px;}

/* Steps and models */
.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--blue-line);background:#fff;}
.step{padding:24px;border-inline-end:1px solid var(--blue-line);}
.step:last-child{border-inline-end:0;}
.step .n{font-weight:700;font-size:13px;color:var(--orange);}
.step h3{margin-top:8px;font-size:20px;}
.step p{color:var(--muted);margin-top:10px;font-size:15px;}
.models{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.model{background:#fff;border:1px solid var(--blue-line);padding:22px 24px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:start;}
.model h3{font-size:19px;}
.model p{color:var(--muted);margin-top:8px;font-size:15px;}
.model .tag{font-size:12.5px;color:var(--navy);background:var(--blue-tint);padding:5px 10px;border-radius:4px;white-space:nowrap;}

/* Why */
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(18px, 3vw, 36px) clamp(28px, 5vw, 72px);}
.why h3{font-size:19px;display:flex;align-items:center;gap:12px;}
.why h3::before{content:"";width:11px;height:11px;background:var(--orange);transform:rotate(45deg);border-radius:1px;flex:0 0 auto;}
.why p{color:var(--muted);margin-top:8px;max-width:52ch;font-size:15.5px;}

/* About */
.about .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(28px, 5vw, 72px);align-items:start;}
.about .body p{margin-top:16px;}
.facts{border-top:1px solid var(--blue-line);}
.fact{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid var(--blue-line);}
.fact b{font-weight:600;color:var(--navy);font-size:15px;}
.fact span{color:var(--muted);font-size:15px;}

/* Contact */
.contact .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px, 5vw, 72px);align-items:start;}
.form{position:relative;background:#fff;border:1px solid var(--blue-line);padding:28px;}
.form label{display:block;font-size:13.5px;font-weight:600;color:var(--navy);margin:16px 0 6px;}
.form label:first-child{margin-top:0;}
.form .pair > div:first-child label{margin-top:16px;}
.form input,.form textarea,.form select{width:100%;border:1px solid var(--blue-line);border-radius:5px;padding:12px 14px;font-family:inherit;font-size:15px;color:var(--text);background:#fff;}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(27,58,92,.12);}
.form textarea{min-height:120px;resize:vertical;}
.form .pair{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
.form .thanks{display:none;margin-top:16px;background:#EAF5EE;border:1px solid #BFE2CB;color:#1D6B39;border-radius:5px;padding:12px 14px;font-size:14.5px;}
.form .thanks.warn{background:#FFF4E8;border-color:#F3CFAE;color:#8A4D1F;}
.form .hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden;}
.form .actions{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form .actions small{color:var(--muted);font-size:13.5px;}
.cinfo h2{font-size:22px;}
.cinfo p{color:var(--muted);margin-top:10px;}
.cinfo .lines{margin-top:22px;display:grid;gap:14px;}
.cline{display:flex;gap:14px;align-items:center;font-size:15.5px;}
.cline .ci{width:38px;height:38px;border-radius:6px;background:var(--blue-tint);display:grid;place-items:center;color:var(--navy);flex:0 0 auto;}
.cline a:hover{color:var(--orange);}
.wa{display:inline-flex;margin-top:22px;}

/* CTA band */
.band{background:var(--blue-tint);border-top:1px solid var(--blue-line);padding:clamp(36px, 5vw, 60px) 0;}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.band p{color:var(--muted);margin-top:8px;max-width:60ch;}

/* Footer */
.footer{background:var(--navy-ink);color:#9FB2C8;padding:36px 0;}
.footer .wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;}
.footer .fb{display:flex;align-items:center;gap:14px;}
.footer .fb strong{color:#fff;font-family:var(--font-display);font-weight:600;display:block;}
.footer .fb span{font-size:13px;}
.footer .fnav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;}
.footer .fnav a:hover{color:#fff;}
.footer .fc{font-size:13px;text-align:end;line-height:1.7;}

@media (max-width:980px){
  .hero .wrap,.digital .wrap,.about .wrap,.contact .wrap{grid-template-columns:1fr;}
  .scards,.grid3{grid-template-columns:1fr 1fr;}
  .scard:last-child{grid-column:1 / -1;}
  .steps{grid-template-columns:1fr 1fr;}
  .step:nth-child(2){border-inline-end:0;}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--blue-line);}
  .pa{grid-template-columns:1fr;}
}
@media (max-width:760px){
  .nav,.header .btn-navy{display:none;}
  .menu-btn{display:flex;}
  .strip .wrap{grid-template-columns:1fr;}
  .strip .cell + .cell{border-inline-start:0;padding-inline-start:0;border-top:1px solid var(--blue-line);}
  .two,.pa ul,.models,.why,.steps,.scards,.grid3{grid-template-columns:1fr;}
  .scard:last-child{grid-column:auto;}
  .step{border-inline-end:0;border-bottom:1px solid var(--blue-line);}
  .step:last-child{border-bottom:0;}
  .model{grid-template-columns:1fr;}
  .form .pair{grid-template-columns:1fr;}
  .fact{grid-template-columns:1fr;gap:4px;}
  .footer .fc{text-align:start;}
}