/* ============================================================
   Core5Alliance — site stylesheet
   Palette: midnight navy / electric blue / white
   ============================================================ */

:root{
  /* colour */
  --ink:#06102A;
  --pine:#020B22;
  --pine-soft:#0B1A3A;
  --mist:#EEF3FB;
  --paper:#F7F9FD;
  --white:#FFFFFF;
  --taupe:#65738A;   /* darkened from #65738A for WCAG AA contrast */
  --line:#D8E0EE;
  --line-dark:#1A2A48;
  --accent:#2B64FF;
  --accent-lt:#9CB5FF;
  --ok:#4E8F73;
  --warn:#9B7447;

  /* type */
  --display:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --body:"Helvetica Neue",Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;

  /* layout */
  --gut:clamp(20px,5vw,64px);
  --maxw:1280px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html,body{max-width:100%;overflow-x:hidden}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
svg{display:block;max-width:100%}
img{max-width:100%;display:block}
button{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--mist);
  padding:12px 18px;z-index:200;font-family:var(--mono);font-size:11px;letter-spacing:.14em}
.skip:focus{left:10px;top:10px}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--display);font-weight:400;letter-spacing:-.018em;margin:0}
h1{font-size:clamp(38px,6.4vw,74px);line-height:1.02}
h2{font-size:clamp(27px,3.8vw,46px);line-height:1.07}
h3{font-size:clamp(19px,2.1vw,25px);line-height:1.2}
h4{font-size:17px;line-height:1.3}
p{margin:0 0 16px}
.lede{font-size:clamp(15.5px,1.3vw,18px);color:#46516A;max-width:56ch}
.lede.dk{color:#C1CBE0}
.small{font-size:14px;color:#556178}
strong{font-weight:600}

.ord{display:flex;align-items:baseline;gap:14px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--taupe);margin:0 0 24px}
.ord b{font-weight:400;color:var(--accent);font-variant-numeric:tabular-nums}
.ord.dk{color:#8D9BB5}
.ord.dk b{color:var(--accent-lt)}

.key{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;
  margin-left:10px;border:1px solid currentColor;font-family:var(--mono);font-size:9.5px;
  line-height:1;opacity:.65;flex:none}

/* ---------- top note + header ---------- */
.top-note{background:var(--ink);color:#8D9BB5;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.14em;text-transform:uppercase}
.top-note .wrap{display:flex;gap:14px;align-items:center;height:36px;overflow:hidden;white-space:nowrap}
.top-note em{font-style:normal;color:var(--accent-lt)}
@media(max-width:560px){.top-note .wrap > span:first-child{display:none}}

.site-head{position:sticky;top:0;z-index:60;background:var(--pine);color:var(--mist);
  border-bottom:1px solid var(--line-dark)}
.site-head .wrap{display:flex;align-items:center;gap:22px;height:64px}
.mark{display:flex;align-items:center;gap:11px;font-family:var(--mono);font-size:12.5px;
  letter-spacing:.22em;text-transform:uppercase;flex:none}
.brand-mark-img{width:46px;height:32px;object-fit:contain;object-position:center;border-radius:4px;flex:none}
.footer-brand{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--mist);margin-bottom:14px}
.footer-brand b{font-weight:400;color:var(--accent-lt)}
.footer-mark-img{width:52px;height:34px}
.mark b{font-weight:400;color:var(--accent-lt)}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.site-nav a{display:flex;align-items:center;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.14em;text-transform:uppercase;padding:10px 13px;color:#C1CBE0}
.site-nav a:hover{color:var(--mist);background:var(--pine-soft)}
.site-nav a.on{color:var(--mist);box-shadow:inset 0 -2px 0 var(--accent-lt)}
.nav-cta{border:1px solid var(--accent-lt);color:var(--accent-lt)!important;margin-left:10px}
.nav-cta:hover{background:var(--accent-lt);color:var(--pine)!important}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-dark);
  color:var(--mist);font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;padding:10px 14px;cursor:pointer}
@media(max-width:1000px){
  .burger{display:block}
  .site-nav{position:fixed;inset:100px 0 auto 0;background:var(--pine);flex-direction:column;
    align-items:stretch;gap:0;border-top:1px solid var(--line-dark);
    border-bottom:1px solid var(--line-dark);display:none;max-height:calc(100vh - 100px);overflow:auto}
  .site-nav.open{display:flex}
  .site-nav a{padding:17px var(--gut);border-bottom:1px solid var(--line-dark)}
  .nav-cta{margin:0;border:0;border-bottom:1px solid var(--line-dark)!important}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;font-family:var(--mono);font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;padding:14px 20px;border:1px solid var(--ink);
  background:var(--ink);color:var(--mist);cursor:pointer;transition:background .22s,border-color .22s,color .22s}
.btn:hover{background:var(--accent);border-color:var(--accent)}
.btn-o{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-o:hover{background:var(--white);border-color:var(--accent);color:var(--ink)}
.btn-lt{background:var(--accent-lt);color:var(--pine);border-color:var(--accent-lt)}
.btn-lt:hover{background:var(--white);border-color:var(--white)}
.btn-gh{background:transparent;color:var(--mist);border-color:var(--accent-lt)}
.btn-gh:hover{background:var(--pine-soft)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- bands ---------- */
.band{padding:clamp(60px,7.5vw,108px) 0;border-bottom:1px solid var(--line)}
.band-dk{background:var(--pine);color:var(--mist);border-bottom-color:var(--line-dark)}
.band-tight{padding:clamp(44px,5vw,72px) 0}
.sec-head{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:end;margin-bottom:48px}
@media(max-width:880px){.sec-head{grid-template-columns:1fr;gap:18px}}

/* ---------- page hero (inner pages) ---------- */
.phero{background:var(--pine);color:var(--mist);border-bottom:1px solid var(--line-dark);
  padding:clamp(48px,6vw,86px) 0 clamp(44px,5vw,70px)}
.phero .crumb{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:#8D9BB5;margin-bottom:22px}
.phero .crumb a:hover{color:var(--accent-lt)}
.phero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:end}
@media(max-width:900px){.phero-grid{grid-template-columns:1fr;gap:26px}}
.phero h1{font-size:clamp(34px,5.4vw,62px)}
.phero .lede{margin:0}

/* ---------- home hero ---------- */
.hero{background:var(--pine);color:var(--mist);border-bottom:1px solid var(--line-dark)}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr}
.hero-l{padding:60px 56px 60px 0}
.hero-r{padding:60px 0 60px 56px;border-left:1px solid var(--line-dark);display:flex;align-items:center}
h1 .lt{color:var(--accent-lt)}
.hero .lede{margin-top:24px}
.kbd-hint{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:#8D9BB5;margin-top:18px}
@media(max-width:940px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-l{padding:48px 0 36px}
  .hero-r{padding:0 0 48px;border-left:0;border-top:1px solid var(--line-dark);padding-top:36px}
}

/* ---------- framed panel + convergence diagram ---------- */
.panel{border:1px solid var(--line-dark);width:100%}
.panel-bar{display:flex;align-items:center;gap:14px;padding:11px 16px;border-bottom:1px solid var(--line-dark);
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#8D9BB5}
.panel-bar .r{margin-left:auto;color:var(--accent-lt)}
.panel-in{padding:22px 18px 16px}
.panel-in .stroke{fill:none;stroke:var(--accent-lt);stroke-width:1;opacity:.45}
.panel-in .node{fill:var(--accent-lt)}
.panel-in .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;fill:#8190AA}
.panel-in .lbl-core{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;fill:#DDE5F2}
.panel-in .core-ring{fill:none;stroke:var(--accent-lt);stroke-width:1;opacity:.4}
@media (prefers-reduced-motion:no-preference){
  .panel-in .stroke{stroke-dasharray:460;stroke-dashoffset:460;animation:draw 1.5s cubic-bezier(.4,0,.15,1) forwards}
  .panel-in .stroke:nth-of-type(1){animation-delay:.15s}
  .panel-in .stroke:nth-of-type(2){animation-delay:.30s}
  .panel-in .stroke:nth-of-type(3){animation-delay:.45s}
  .panel-in .stroke:nth-of-type(4){animation-delay:.60s}
  .panel-in .stroke:nth-of-type(5){animation-delay:.75s}
  .panel-in .core-ring{transform-origin:352px 210px;animation:breathe 4.5s ease-in-out 1.6s infinite}
  .panel-in .fade{opacity:0;animation:fadein .8s ease forwards 1.3s}
}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.4}50%{transform:scale(1.14);opacity:.13}}
@keyframes fadein{to{opacity:1}}

/* ---------- index strip ---------- */
.strip{border-top:1px solid var(--line-dark);background:var(--pine)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:10px 26px;padding:18px var(--gut);
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--white)}
.strip span{display:flex;align-items:center;gap:26px;color:var(--white);text-shadow:0 1px 1px rgba(0,0,0,.18)}
.strip span::after{content:"";width:4px;height:4px;background:var(--white);transform:rotate(45deg);flex:none}
.strip span:last-child::after{display:none}
@media(max-width:700px){
  .strip .wrap{gap:8px 16px;padding:15px var(--gut);font-size:10px;letter-spacing:.11em}
  .strip span{gap:16px}
  .strip span::after{width:3px;height:3px}
}

/* ---------- division rows ---------- */
.div-row{display:grid;grid-template-columns:76px 1fr 1.15fr 110px;gap:28px;padding:28px 20px 28px 12px;
  border-top:1px solid var(--line);transition:background .26s,padding-left .26s}
.div-row:last-of-type{border-bottom:1px solid var(--line)}
.div-row:hover{background:var(--white);padding-left:22px}
.div-num{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;color:var(--accent);
  padding-top:7px;font-variant-numeric:tabular-nums}
.div-body p{margin:0;color:#556178;font-size:15px;max-width:52ch}
.div-title{margin-bottom:10px}
.div-go{font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--accent);text-align:right;padding-top:8px}
.practice{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:baseline;
  padding:11px 0;border-top:1px dashed var(--line)}
.practice:first-child{border-top:0;padding-top:0}
.practice em{font-style:normal;font-family:var(--mono);font-size:9.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--taupe);white-space:nowrap}
.practice span{font-size:14.4px;color:#556178}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px}
.tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;
  color:#5A6780;border:1px solid var(--line);padding:5px 9px}
.tag.dk{color:#C1CBE0;border-color:var(--line-dark)}
@media(max-width:1000px){
  .div-row{grid-template-columns:58px 1fr;gap:16px}
  .div-body,.div-detail{grid-column:2}
  .div-go{grid-column:2;text-align:left;padding-top:0}
}

/* ---------- grid cards ---------- */
.grid-4,.grid-3,.grid-2{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.cell{background:var(--paper);padding:26px 24px 30px;display:flex;flex-direction:column;
  transition:background .26s}
.cell:hover{background:var(--white)}
.cell .cn{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--accent);
  font-variant-numeric:tabular-nums}
.cell .disc{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--taupe);margin:6px 0 auto;padding-bottom:22px}
.cell h3{margin-bottom:8px}
.cell p{color:#556178;font-size:14.2px;margin:0}
.band-dk .cell{background:var(--pine);border-color:var(--line-dark)}
.band-dk .cell:hover{background:var(--pine-soft)}
.band-dk .cell h3{color:var(--mist)}
.band-dk .cell p{color:#AAB8D0}
.band-dk .grid-4,.band-dk .grid-3,.band-dk .grid-2{background:var(--line-dark);border-color:var(--line-dark)}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}
@media(max-width:600px){.grid-4{grid-template-columns:1fr}}

/* ---------- capability list ---------- */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
@media(max-width:900px){.caps{grid-template-columns:1fr;gap:28px}}
.caps h4{margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.caps ul{list-style:none;margin:0;padding:0}
.caps li{position:relative;padding:7px 0 7px 18px;font-size:14.4px;color:#556178}
.caps li::before{content:"";position:absolute;left:0;top:15px;width:6px;height:1px;background:var(--accent)}

/* ---------- inline link card ---------- */
.card-link{display:flex;align-items:center;gap:20px;border:1px solid var(--line);padding:22px 24px;
  margin-top:40px;background:var(--white);transition:background .22s,border-color .22s}
.card-link:hover{background:var(--paper);border-color:var(--accent)}
.card-link .ck{display:flex;align-items:center;justify-content:center;width:34px;height:34px;
  border:1px solid var(--accent);color:var(--accent);font-family:var(--mono);font-size:12px;flex:none}
.card-link .t{font-size:16px}
.card-link .s{color:var(--taupe);font-size:14px;display:block;margin-top:2px}
.card-link .go{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent)}
.card-link.dk{background:var(--pine);border-color:var(--line-dark)}
.card-link.dk:hover{background:var(--pine-soft);border-color:var(--accent-lt)}
.card-link.dk .ck{border-color:var(--accent-lt);color:var(--accent-lt)}
.card-link.dk .s{color:#8D9BB5}
.card-link.dk .go{color:var(--accent-lt)}
@media(max-width:600px){.card-link .go{display:none}}

/* ---------- process diagram ---------- */
.flow-svg{width:100%;height:auto;min-width:0}
.flow-svg .spine{stroke:#34425C;stroke-width:1}
.flow-svg .stage-l{stroke:#46546D;stroke-width:1}
.flow-svg .stage-t{font-family:var(--mono);font-size:10px;letter-spacing:.2em;fill:var(--accent-lt)}
.flow-svg .conn{stroke:#34425C;stroke-width:1;fill:none;stroke-dasharray:3 4}
.flow-svg .loop{stroke:#46546D;stroke-width:1;fill:none;stroke-dasharray:4 5}
.flow-svg .node{fill:var(--pine);stroke:var(--accent-lt);stroke-width:1.4}
.flow-svg .node-key{fill:var(--accent-lt)}
.flow-svg .gate{fill:var(--accent-lt)}
.flow-svg .num{font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;fill:var(--accent-lt)}
.flow-svg .ttl{font-family:var(--display);font-size:15px;fill:var(--mist)}
.flow-svg .det{font-family:var(--body);font-size:10px;fill:#8D9BB5}
.flow-svg .lbl-s{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;fill:#8D9BB5}
.flow-svg .pill{fill:none;stroke:#34425C;stroke-width:1}
.flow-svg .assoc-pill{stroke-dasharray:3 3}
.flow-svg .pill-t{font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;fill:#C1CBE0}
.flow-legend{display:flex;flex-wrap:wrap;gap:10px 30px;margin-top:26px;padding-top:18px;
  border-top:1px solid var(--line-dark);font-family:var(--mono);font-size:10px;
  letter-spacing:.13em;text-transform:uppercase;color:#8D9BB5}
.flow-legend b{display:inline-block;width:7px;height:7px;background:var(--accent-lt);
  transform:rotate(45deg);margin-right:9px}
.flow-legend i{display:inline-block;width:22px;border-top:1px dashed #46546D;margin-right:9px;
  vertical-align:middle}
.flow-steps{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media(max-width:880px){
  .flow-svg{display:none}
  .flow-steps{position:static;width:auto;height:auto;overflow:visible;clip:auto;white-space:normal;
    margin:0;padding:0;list-style:none}
  .flow-steps > li{border-top:1px solid var(--line-dark);padding:26px 0 4px}
  .flow-steps .stage{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
    color:var(--accent-lt);margin-bottom:20px}
  .flow-steps ol{list-style:none;margin:0;padding:0 0 0 24px;border-left:1px solid var(--line-dark)}
  .flow-steps ol li{position:relative;padding:0 0 26px}
  .flow-steps ol li::before{content:"";position:absolute;left:-28px;top:7px;width:7px;height:7px;
    border:1px solid var(--accent-lt);background:var(--pine);border-radius:50%}
  .flow-steps ol li.gate::before{background:var(--accent-lt)}
  .flow-steps .n{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--accent-lt);
    display:block;margin-bottom:6px}
  .flow-steps h3{color:var(--mist);font-size:19px;margin-bottom:5px}
  .flow-steps p{color:#AAB8D0;font-size:14px;margin:0}
  .flow-steps .who{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;font-family:var(--mono);
    font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:#C1CBE0}
  .flow-steps .who span{border:1px solid var(--line-dark);padding:4px 7px}
}

/* ---------- statement ---------- */
.statement{font-family:var(--display);font-size:clamp(29px,4.4vw,56px);line-height:1.04;
  letter-spacing:-.02em;max-width:21ch;margin:0 0 8px}
.statement span{color:var(--taupe)}
.band-dk .statement span{color:#8D9BB5}

/* ---------- numbered steps ---------- */
.steps-n{counter-reset:s;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line)}
.steps-n > div{background:var(--paper);padding:26px 24px 30px;counter-increment:s}
.steps-n > div::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:10px;
  letter-spacing:.12em;color:var(--accent);display:block;margin-bottom:14px}
@media(max-width:760px){.steps-n{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative;
  font-family:var(--display);font-size:19px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:19px;font-family:var(--mono);
  font-size:18px;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 20px;color:#556178;font-size:15px;max-width:72ch}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr}
.contact-l{padding-right:56px}
.contact-r{padding-left:56px;border-left:1px solid var(--line)}
@media(max-width:900px){
  .contact-grid{grid-template-columns:1fr}
  .contact-l{padding:0 0 38px}
  .contact-r{padding:38px 0 0;border-left:0;border-top:1px solid var(--line)}
}
.detail-list{margin-top:30px;border-top:1px solid var(--line)}
.detail-list div{display:flex;justify-content:space-between;gap:20px;padding:12px 0;
  border-bottom:1px solid var(--line)}
.detail-list .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--taupe)}
.detail-list .v{font-size:14.4px;text-align:right;min-width:0;overflow-wrap:anywhere}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--taupe);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font-family:var(--body);font-size:15px;
  color:var(--ink);background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:9px 2px;border-radius:0}
.field textarea{resize:vertical;min-height:84px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-bottom-color:var(--accent)}
.field-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:560px){.field-2{grid-template-columns:1fr}}
.note{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;color:var(--accent);
  margin-top:12px;min-height:16px}
.err{border-bottom-color:var(--warn)!important}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--mist);padding:clamp(48px,6vw,80px) 0}
.cta-band .wrap{display:grid;grid-template-columns:1.2fr auto;gap:36px;align-items:center}
.cta-band h2{color:var(--mist)}
.cta-band p{color:#8D9BB5;margin:12px 0 0;font-size:15px;max-width:52ch}
@media(max-width:800px){.cta-band .wrap{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.site-foot{background:var(--ink);color:#8D9BB5}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:54px 0 38px}
.foot-grid h4{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-lt);font-weight:400;margin:0 0 16px}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-grid li{margin-bottom:9px;font-size:14px;overflow-wrap:anywhere}
.foot-grid a:hover{color:var(--mist)}
.foot-grid p{font-size:14px;max-width:34ch;margin:14px 0 0}
.foot-bar{display:flex;flex-wrap:wrap;gap:14px;padding:20px 0 30px;border-top:1px solid #0A1733;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase}
.foot-bar .r{margin-left:auto}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* ---------- reveal ---------- */
.rv{opacity:1;transform:none;transition:opacity .62s ease,transform .62s cubic-bezier(.2,.7,.2,1)}
body.js-ready .rv{opacity:0;transform:translateY(14px)}
body.js-ready .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv,body.js-ready .rv{opacity:1;transform:none;transition:none}}

/* ---------- 404 ---------- */
.nf{text-align:center;padding:clamp(70px,12vw,160px) 0}
.nf .code{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--accent);margin-bottom:18px}


/* ============================================================
   FORM STATES  (added during the deployment audit)
   ============================================================ */
#brief-form{margin:0}
.field abbr{text-decoration:none;color:var(--warn);border:0}
.fld-err{font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:var(--warn);
  margin:7px 0 0;min-height:0}
.fld-err:empty{display:none}
.field input.err,.field select.err,.field textarea.err{border-bottom-color:var(--warn)}
.note{min-height:16px}
.note-ok{color:var(--ok)}
.note-err{color:var(--warn)}
#send[disabled]{opacity:.55;cursor:not-allowed}
#send[disabled]:hover{background:var(--ink);border-color:var(--ink)}
/* honeypot: hidden from people, reachable by bots */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ============================================================
   RESPONSIVE REPAIRS  (added during the deployment audit)
   Nothing here changes the design above 600px.
   ============================================================ */

/* Tablet: stop the four-column footer and KPI grids feeling cramped */
@media(max-width:900px){
  .caps{gap:26px}
  .cta-band .wrap{gap:26px}
}

/* Small phones, roughly 320-480px */
@media(max-width:480px){
  .site-head .wrap{height:58px;gap:12px}
  .mark{font-size:11px;letter-spacing:.16em}
  .site-nav{inset:94px 0 auto 0}
  .btn{padding:13px 16px;font-size:10px}
  .cta-row{gap:10px}
  .cta-row .btn{width:100%;justify-content:center}
  .phero{padding-top:34px}
  .div-row{padding:22px 0;gap:12px}
  .div-row:hover{padding-left:0}
  .practice{grid-template-columns:1fr;gap:5px}
  .faq summary{font-size:17px;padding-right:34px}
  .card-link{flex-wrap:wrap;gap:14px;padding:18px}
  .detail-list div{flex-direction:column;gap:3px}
  .detail-list .v{text-align:left}
  .flow-legend{gap:8px 18px}
  .statement{max-width:none}
}

/* Very small phones, 360px and under */
@media(max-width:360px){
  .top-note .wrap{font-size:9.5px;letter-spacing:.1em}
  .site-nav a{padding:15px var(--gut)}
}

/* Large desktops: keep the measure readable instead of stretching */
@media(min-width:1800px){
  :root{--maxw:1380px}
}

/* Printing: drop the dark bands so a printed page is legible */
@media print{
  .site-head,.top-note,.cta-band,.burger,.key,.kbd-hint{display:none!important}
  .band-dk,.phero,.hero,.site-foot{background:#fff!important;color:#000!important;
    border-color:#ccc!important}
  .band-dk *,.phero *,.hero *,.site-foot *{color:#000!important}
  .rv{opacity:1!important;transform:none!important}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:10px}
}


/* ============================================================
   CORE5ALLIANCE — BOLD 2026 VISUAL REDESIGN
   Brand colours intentionally preserved. Layout, hierarchy,
   interaction and responsive presentation are redesigned.
   ============================================================ */

/* Stronger type hierarchy */
h1,h2,h3,h4{font-weight:500}
.hero h1{font-size:clamp(52px,8vw,112px);line-height:.91;letter-spacing:-.055em;max-width:8.5ch}
.hero h1 .lt{color:var(--accent-lt);display:block}
.hero .lede{font-size:clamp(16px,1.35vw,19px);line-height:1.65;max-width:53ch}

/* More intentional top chrome */
.top-note{height:34px;background:var(--pine);border-bottom:1px solid var(--line-dark)}
.top-note .wrap{height:34px}
.site-head{backdrop-filter:blur(16px);background:rgba(2,11,34,.94)}
.mark{font-weight:600}
.mark span{font-size:13px}
.site-nav a{transition:color .2s,background .2s,transform .2s}
.site-nav a:hover{transform:translateY(-1px)}
.nav-cta{padding-left:16px!important;padding-right:16px!important}

/* Hero becomes the visual signature */
.hero{position:relative;isolation:isolate;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-25% -10% auto auto;width:55vw;height:55vw;
  border-radius:50%;border:1px solid rgba(156,181,255,.13);box-shadow:0 0 0 7vw rgba(43,100,255,.025),0 0 0 14vw rgba(43,100,255,.018);pointer-events:none;z-index:-1}
.hero::after{content:"5";position:absolute;right:-.02em;bottom:-.25em;font-family:var(--display);font-size:min(52vw,700px);line-height:.7;color:rgba(43,100,255,.035);font-weight:700;pointer-events:none;z-index:-1}
.hero .wrap{min-height:min(760px,calc(100vh - 100px));align-items:center;gap:clamp(30px,6vw,100px);padding-top:clamp(55px,7vw,100px);padding-bottom:clamp(55px,7vw,100px)}
.hero-l{position:relative;z-index:2}
.hero .ord{margin-bottom:30px}
.hero .cta-row{margin-top:38px}
.hero .btn{min-height:50px;padding:15px 21px}
.kbd-hint{margin-top:18px;font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:#8D9BB5}

/* Diagram panel: bigger, cleaner, more premium */
.hero-r{position:relative}
.hero-r::before{content:"CORE5";position:absolute;top:-24px;right:24px;font-family:var(--mono);font-size:9px;letter-spacing:.3em;color:var(--accent-lt);z-index:3}
.panel{position:relative;background:linear-gradient(145deg,var(--pine-soft),var(--pine));border:1px solid #25375A;box-shadow:0 30px 80px rgba(0,0,0,.28)}
.panel::after{content:"";position:absolute;inset:12px;border:1px solid rgba(156,181,255,.08);pointer-events:none}
.panel-bar{height:46px;padding:0 17px;border-bottom:1px solid var(--line-dark);font-size:9px;letter-spacing:.16em}
.panel-in{padding:clamp(18px,3vw,34px)}
.panel svg{min-height:410px}
.panel .stroke{stroke:var(--accent-lt);stroke-opacity:.6;stroke-width:1.2}
.panel .node{fill:var(--accent-lt)}
.panel .core-ring{stroke:var(--accent);stroke-width:2;fill:none}
.panel .lbl{font-size:9px;letter-spacing:.13em;fill:#9CB5FF}
.panel .lbl-core{font-size:10px;letter-spacing:.16em;fill:var(--mist)}

/* Service strip reads like a brand ticker */
.strip{background:var(--accent);color:var(--white);overflow:hidden;border:0}
.strip .wrap{display:flex;min-width:max-content;gap:0;padding-left:0;padding-right:0}
.strip span{padding:14px 24px;border-right:1px solid rgba(255,255,255,.22);font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase}

/* Section headings */
.band{padding-top:clamp(72px,9vw,132px);padding-bottom:clamp(72px,9vw,132px)}
.sec-head{margin-bottom:58px}
.sec-head h2{font-size:clamp(38px,5vw,72px);letter-spacing:-.045em}
.sec-head .lede{font-size:16px}

/* Division rows become high-contrast interactive rails */
.div-row{position:relative;grid-template-columns:80px minmax(180px,.7fr) minmax(260px,1.3fr) 70px;gap:28px;padding:30px 0;border-top:1px solid var(--line);transition:padding .3s,background .3s}
.div-row:hover{padding-left:18px;padding-right:18px;background:var(--white)}
.div-title{font-size:clamp(26px,3vw,42px);letter-spacing:-.035em}
.div-num{color:var(--accent);font-weight:600}
.div-go a{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);font-family:var(--mono);color:var(--accent);transition:.25s}
.div-go a:hover{background:var(--accent);color:var(--white);border-color:var(--accent);transform:translateX(4px)}

/* Dark bands get stronger visual separation */
.band-dk{position:relative;overflow:hidden}
.band-dk::before{content:"";position:absolute;right:-180px;top:-180px;width:500px;height:500px;border:1px solid rgba(156,181,255,.1);border-radius:50%;box-shadow:0 0 0 80px rgba(43,100,255,.018),0 0 0 160px rgba(43,100,255,.012);pointer-events:none}
.band-dk > .wrap{position:relative;z-index:1}

/* Buttons feel like actions, not links */
.btn{min-height:48px;font-weight:600;transition:transform .22s,background .22s,border-color .22s,color .22s,box-shadow .22s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(43,100,255,.16)}
.btn-lt:hover{box-shadow:0 12px 32px rgba(156,181,255,.2)}

/* Cards / links get a more tactile feel */
.card-link{transition:transform .25s,background .25s,border-color .25s,box-shadow .25s}
.card-link:hover{transform:translateY(-3px);box-shadow:0 18px 45px rgba(6,16,42,.08)}

/* Footer */
.site-foot{border-top:1px solid var(--line-dark)}

/* Motion */
@keyframes core5Pulse{0%,100%{opacity:.45;transform:scale(.98)}50%{opacity:1;transform:scale(1)}}
.panel .core-ring{animation:core5Pulse 3.8s ease-in-out infinite}
@keyframes core5Line{0%{stroke-dashoffset:0}100%{stroke-dashoffset:18}}
.panel .stroke{stroke-dasharray:5 5;animation:core5Line 4s linear infinite}

/* Tablet */
@media(max-width:1000px){
  .hero .wrap{min-height:auto;grid-template-columns:1fr;gap:44px}
  .hero h1{max-width:10ch;font-size:clamp(52px,11vw,88px)}
  .hero-r{max-width:760px;width:100%;margin:auto}
  .panel svg{min-height:340px}
}

/* Mobile-first visual hierarchy */
@media(max-width:600px){
  .top-note{display:none}
  .site-head{position:sticky;top:0}
  .site-head .wrap{height:68px}
  .mark{letter-spacing:.14em}
  .brand-mark-img{width:42px;height:30px}
  .hero .wrap{padding-top:58px;padding-bottom:52px;gap:40px}
  .hero h1{font-size:clamp(52px,16vw,76px);line-height:.9;max-width:9ch}
  .hero .lede{font-size:15.5px;line-height:1.65;margin-top:25px}
  .hero .ord{margin-bottom:24px}
  .hero .cta-row{display:grid;grid-template-columns:1fr;gap:10px;margin-top:30px}
  .hero .btn{width:100%;justify-content:center;min-height:54px}
  .kbd-hint{display:none}
  .hero::before{width:100vw;height:100vw;right:-45vw;top:8vh}
  .hero::after{font-size:110vw;right:-.05em;bottom:-.1em}
  .panel{box-shadow:0 22px 50px rgba(0,0,0,.25)}
  .panel-bar{font-size:8px}
  .panel-in{padding:14px}
  .panel svg{min-height:285px}
  .panel .lbl{font-size:7px}
  .panel .lbl-core{font-size:8px}
  .strip .wrap{overflow:auto;scrollbar-width:none}
  .strip .wrap::-webkit-scrollbar{display:none}
  .strip span{padding:13px 18px;font-size:8px}
  .band{padding-top:68px;padding-bottom:68px}
  .sec-head{margin-bottom:38px}
  .sec-head h2{font-size:clamp(36px,11vw,54px)}
  .div-row{grid-template-columns:1fr;gap:12px;padding:28px 0}
  .div-row:hover{padding-left:0;padding-right:0;background:transparent}
  .div-num{font-size:10px}
  .div-title{font-size:32px}
  .div-detail{margin-top:6px}
  .div-go{margin-top:8px}
  .div-go a{width:100%;height:48px}
}

@media(max-width:380px){
  .hero h1{font-size:49px}
  .hero .wrap{padding-top:46px}
  .panel svg{min-height:250px}
}

@media(prefers-reduced-motion:reduce){
  .panel .core-ring,.panel .stroke{animation:none}
  .btn,.div-row,.card-link{transition:none}
}


/* ============================================================
   CORE5 DYNAMIC LAYER
   Existing brand colours remain unchanged.
   ============================================================ */
.dynamic-explorer{background:var(--pine);color:var(--mist);padding:clamp(76px,10vw,140px) 0;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);position:relative;overflow:hidden}
.dynamic-explorer:before{content:"";position:absolute;width:52vw;height:52vw;max-width:700px;max-height:700px;border:1px solid rgba(156,181,255,.12);border-radius:50%;right:-18vw;top:-30vw;pointer-events:none}
.explorer-head{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,7vw,100px);align-items:end;margin-bottom:44px}
.explorer-head h2{font-size:clamp(42px,6vw,82px);letter-spacing:-.045em}
.explorer-head h2 span{color:var(--accent-lt)}
.explorer{border:1px solid var(--line-dark);background:rgba(11,26,58,.72);position:relative}
.explorer-tabs{display:flex;overflow:auto;border-bottom:1px solid var(--line-dark);scrollbar-width:none}
.explorer-tabs::-webkit-scrollbar{display:none}
.explore-tab{appearance:none;border:0;border-right:1px solid var(--line-dark);background:transparent;color:#8D9BB5;min-height:56px;padding:0 20px;white-space:nowrap;font:10px var(--mono);letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:.25s}
.explore-tab:hover,.explore-tab.is-active{color:var(--mist);background:var(--pine-soft)}
.explore-tab.is-active{box-shadow:inset 0 -2px 0 var(--accent-lt)}
.explorer-result{min-height:340px;display:grid;grid-template-columns:90px 1fr 250px;gap:34px;align-items:center;padding:clamp(28px,5vw,60px)}
.explorer-number{font:12px var(--mono);color:var(--accent-lt);letter-spacing:.12em;align-self:start}
.explorer-kicker{font:10px var(--mono);letter-spacing:.2em;color:var(--accent-lt);margin:0 0 12px}
.explorer-copy h3{font-size:clamp(32px,4vw,58px);color:var(--mist);margin-bottom:16px}
.explorer-copy>p:not(.explorer-kicker){max-width:60ch;color:#C1CBE0;font-size:16px}
.explorer-cta{margin-top:12px}
.explorer-orbit{width:190px;height:190px;border:1px solid rgba(156,181,255,.25);border-radius:50%;display:grid;place-items:center;position:relative;justify-self:end}
.explorer-orbit:before,.explorer-orbit:after{content:"";position:absolute;border:1px solid rgba(43,100,255,.35);border-radius:50%;inset:22px;animation:c5spin 12s linear infinite}
.explorer-orbit:after{inset:46px;animation-direction:reverse;animation-duration:8s}
.explorer-orbit span{width:12px;height:12px;border-radius:50%;background:var(--accent-lt);box-shadow:0 0 0 8px rgba(156,181,255,.08),0 0 30px rgba(43,100,255,.35)}
.explorer-orbit b{position:absolute;font:11px var(--mono);letter-spacing:.2em;color:var(--mist)}
@keyframes c5spin{to{transform:rotate(360deg)}}
.btn{transition:transform .25s ease,background .25s ease,border-color .25s ease}
.btn:hover{transform:translateY(-3px)}
.div-row{transition:background .3s ease,transform .3s ease}
.div-row:hover{background:rgba(11,26,58,.06)}
.dynamic-cursor{position:fixed;width:18px;height:18px;border:1px solid var(--accent-lt);border-radius:50%;pointer-events:none;z-index:999;transform:translate(-50%,-50%) scale(.6);opacity:0;transition:transform .12s ease,opacity .2s ease;mix-blend-mode:difference}
.dynamic-cursor.on{opacity:.75;transform:translate(-50%,-50%) scale(1)}
.scroll-meter{position:fixed;left:0;top:0;height:2px;width:0;background:var(--accent-lt);z-index:1000;pointer-events:none}
@media(max-width:760px){
 .explorer-head{grid-template-columns:1fr;gap:18px}
 .explorer-result{grid-template-columns:42px 1fr;gap:18px;min-height:0;padding:28px 20px 34px}
 .explorer-orbit{grid-column:2;width:130px;height:130px;justify-self:start;margin-top:8px}
 .explore-tab{padding:0 15px}
 .explorer-copy h3{font-size:36px}
}
@media(max-width:430px){
 .explorer-result{grid-template-columns:1fr}
 .explorer-number{grid-column:auto}
 .explorer-orbit{grid-column:auto}
 .explorer-copy h3{font-size:32px}
}
@media(prefers-reduced-motion:reduce){
 .explorer-orbit:before,.explorer-orbit:after{animation:none}
 .btn{transition:none}
}

.div-row .div-detail{transition:max-height .35s ease,opacity .25s ease;max-height:240px}
@media(max-width:760px){.div-row .div-detail{max-height:0;opacity:0;overflow:hidden}.div-row.is-open .div-detail{max-height:700px;opacity:1}.div-row{cursor:pointer}.div-row:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}}