/* Nile ART website
   Tokens come from brand book §11 (Website system). Change brand values there first. */

@font-face{font-family:"Inter";src:url("../fonts/InterVariable.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Montserrat";src:url("../fonts/Montserrat-Variable.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}

:root{
  /* Brand masters */
  --navy:#0B1E3A; --blue:#0077FF; --cyan:#00C6FF; --slate:#94A3B8;
  /* Digital extension */
  --action:#0066E0; --action-hover:#0055BD;
  --ink:#0F172A; --body:#334155; --muted:#5A6B82;
  --line:#E2E8F0; --mist:#F5F8FC; --on-navy:#CBD5E1;
  --navy-2:#132A4D; --tint-blue:#EAF3FF;
  /* Type */
  --font-display:"Montserrat",ui-sans-serif,system-ui,sans-serif;
  --font-text:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  /* Shape */
  --r-sm:10px; --r-md:16px; --r-lg:24px;
  --shadow:0 24px 60px -24px rgba(11,30,58,.28);
  --max:1200px;
  --gutter:32px;
  --header:88px;
  --ring-bg:#fff; /* colour behind timeline dots */
}

/* ------------------------------------------------------------------ base */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 16px);-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{
  margin:0;color:var(--body);background:#fff;
  font-family:var(--font-text);font-size:17px;line-height:1.6;
  font-feature-settings:"cv08" 1; /* serifed capital I: "AI" never reads "Al" */
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:var(--action);text-underline-offset:3px}
a:hover{color:var(--action-hover)}
:focus-visible{outline:3px solid var(--action);outline-offset:3px;border-radius:4px}
.navy :focus-visible,.hero :focus-visible,.site-footer :focus-visible,.cta-band :focus-visible,.mail-card :focus-visible{outline-color:var(--cyan)}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);margin:0;line-height:1.1;font-weight:700;letter-spacing:-.02em;text-wrap:balance}
h2{font-size:clamp(1.9rem,3.4vw,2.6rem);letter-spacing:-.025em}
h3{font-size:1.25rem;font-weight:600;letter-spacing:-.01em;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0}
dl,dd{margin:0}
figure{margin:0}
.nw{white-space:nowrap}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:16px;top:-60px;z-index:100;background:var(--navy);color:#fff;padding:10px 16px;border-radius:var(--r-sm);font-weight:600;text-decoration:none}
.skip:focus{top:12px;color:#fff}
.wrap{width:min(100% - var(--gutter)*2,var(--max));margin-inline:auto}
.muted{color:var(--muted)}
.small{font-size:.875rem;line-height:1.5}
.mt-sm{margin-top:16px}
.stack-lg>*+*{margin-top:20px}
.lead{font-size:clamp(1.08rem,1.5vw,1.25rem);line-height:1.55;color:var(--body);max-width:62ch}
.eyebrow{font-family:var(--font-text);font-size:.75rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--action);margin:0 0 14px}

/* icons */
.i{width:20px;height:20px;flex:none;stroke:currentColor;stroke-width:1.75;fill:none;stroke-linecap:round;stroke-linejoin:round}
.i .acc{stroke:var(--blue)}
.btn .i .acc,.nav-link .i .acc,.link-arrow .i .acc{stroke:currentColor}
.navy .i .acc,.hero .i .acc,.cta-band .i .acc,.mail-card .i .acc,.ico-tile.dark .i .acc{stroke:var(--cyan)}
.i.big{width:32px;height:32px;color:var(--navy)}
.ico-tile{width:48px;height:48px;border-radius:12px;background:var(--tint-blue);display:inline-grid;place-items:center;color:var(--navy);flex:none}
.ico-tile .i{width:24px;height:24px}
.ico-tile.dark{background:rgba(255,255,255,.06);border:1px solid rgba(203,213,225,.18);color:#fff}

/* brand dot */
.bdot{display:inline-block;width:.34em;height:.34em;border-radius:50%;background:var(--blue);vertical-align:.18em;margin:0 .7em;flex:none}
.navy .bdot,.hero .bdot,.site-footer .bdot,.on-dark .bdot{background:var(--cyan)}
.dot-list{list-style:none;display:grid;gap:10px}
.dot-list li{position:relative;padding-left:18px}
.dot-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.dot-list.on-dark li{color:var(--on-navy)}
.dot-list.on-dark li::before{background:var(--cyan)}
.sector-line{font-weight:500;font-size:1.05rem;color:var(--ink);letter-spacing:.01em;display:flex;flex-wrap:wrap;align-items:center;row-gap:4px}
.sector-line.on-dark{color:var(--on-navy);margin-top:48px;font-size:1rem}
.sector-line.on-dark .bdot{background:var(--cyan)}

/* ------------------------------------------------------------------ buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border-radius:12px;
  font:600 1rem/1 var(--font-text);font-feature-settings:"cv08" 1;border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .15s,border-color .15s,color .15s;white-space:nowrap
}
.btn .arrow{width:18px;height:18px;transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}
.btn.sm{min-height:40px;padding:0 16px;font-size:.92rem}
.btn.primary{background:var(--action);color:#fff}
.btn.primary:hover{background:var(--action-hover);color:#fff}
.btn.secondary{background:#fff;color:var(--ink);border-color:#CBD5E1}
.btn.secondary:hover{border-color:var(--ink);color:var(--ink)}
.btn.light{background:#fff;color:var(--navy)}
.btn.light:hover{background:var(--tint-blue);color:var(--navy)}
.btn.ghost-dark{background:transparent;color:#fff;border-color:rgba(203,213,225,.45)}
.btn.ghost-dark:hover{border-color:var(--cyan);color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;text-decoration:none}
.link-arrow .arrow{width:18px;height:18px;transition:transform .2s}
.link-arrow:hover .arrow{transform:translateX(3px)}
.navy .link-arrow{color:var(--cyan)}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}

/* ------------------------------------------------------------------ header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 8px 24px -16px rgba(11,30,58,.25)}
.header-row{height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:block;flex:none;padding:6px 0}
.brand img{width:176px;height:auto} /* descriptor lockup: ties AI-Ready Technologies to ART */
.main-nav{display:flex;align-items:center;gap:36px}
.nav-list{list-style:none;display:flex;align-items:center;gap:8px}
.nav-top{display:flex;align-items:center}
.nav-link{display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:8px;color:var(--body);text-decoration:none;font-size:.95rem;font-weight:500}
.nav-link:hover,.nav-link.active{color:var(--ink)}
.nav-link.active{box-shadow:inset 0 -2px 0 var(--blue);border-radius:0}
.menu-toggle{display:inline-grid;place-items:center;width:28px;height:40px;margin-left:-8px;background:none;border:0;color:var(--muted);cursor:pointer;border-radius:6px}
.menu-toggle .i{width:16px;height:16px;transition:transform .2s}
.has-menu{position:relative}
.menu{
  position:absolute;top:calc(100% + 14px);left:-12px;min-width:340px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .16s,transform .16s,visibility .16s
}
.menu::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px} /* hover bridge */
.menu ul{list-style:none;display:grid;gap:2px}
.menu a{display:block;padding:10px 14px;border-radius:10px;text-decoration:none}
.menu a b{display:block;color:var(--ink);font-weight:600;font-size:.95rem}
.menu a span{display:block;color:var(--muted);font-size:.84rem;line-height:1.4;margin-top:2px}
.menu a:hover,.menu a[aria-current="page"]{background:var(--mist)}
.menu a[aria-current="page"] b{color:var(--action)}
.menu .menu-all{display:flex;align-items:center;gap:8px;margin-top:6px;border-top:1px solid var(--line);border-radius:0 0 8px 8px;padding:12px 14px 6px;font-size:.88rem;font-weight:600;color:var(--action)}
.menu .menu-all .i{width:16px;height:16px}
@media (hover:hover) and (min-width:961px){
  .has-menu:hover .menu,.has-menu:focus-within .menu{opacity:1;visibility:visible;transform:none}
  .has-menu:hover .menu-toggle .i{transform:rotate(180deg)}
}
@media (min-width:961px){
  .has-menu.open .menu{opacity:1;visibility:visible;transform:none}
  .has-menu.open .menu-toggle .i{transform:rotate(180deg)}
}
.burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;place-items:center}
.burger .i{width:22px;height:22px}
.burger .shut{display:none}

/* ------------------------------------------------------------------ hero */
.hero{background:var(--navy);color:var(--on-navy);position:relative;overflow:hidden;isolation:isolate}
.hero::after{
  content:"";position:absolute;right:-12%;top:-45%;width:62%;aspect-ratio:1;border-radius:50%;z-index:-1;
  background:radial-gradient(closest-side,rgba(0,198,255,.16),transparent);pointer-events:none
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:center}
.hero.has-aside .hero-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
.hero-md{padding:72px 0 88px}
.hero-sm{padding:64px 0 72px}
.hero-lg{padding:88px 0 96px}
.hero .eyebrow{color:var(--cyan)}
.hero h1{color:#fff;font-size:clamp(2.2rem,4.4vw,3.4rem);letter-spacing:-.03em;line-height:1.04;max-width:18ch}
.hero-lg h1{font-size:clamp(2.6rem,5.6vw,4.5rem);line-height:1}
.hero-sm h1{font-size:clamp(2rem,3.6vw,2.8rem)}
.hero-lead{color:var(--on-navy);font-size:clamp(1.08rem,1.6vw,1.22rem);line-height:1.55;max-width:58ch;margin-top:22px}
.hero-aside .iso{width:100%;max-width:680px;margin-left:auto}
.aside-card{background:rgba(255,255,255,.04);border:1px solid rgba(203,213,225,.16);border-radius:var(--r-lg);padding:32px;max-width:420px;margin-left:auto}
.aside-card .eyebrow{color:var(--slate)}
.crumbs{margin-bottom:28px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:.84rem}
.crumbs li{display:flex;align-items:center;gap:6px;color:var(--slate)}
.crumbs li+li::before{content:"/";color:rgba(148,163,184,.5)}
.crumbs a{color:var(--on-navy);text-decoration:none}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs [aria-current]{color:var(--slate)}

/* stage tracker (in heroes) */
.track{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:56px;max-width:640px}
.track a{display:flex;flex-direction:column;gap:2px;padding-top:18px;border-top:2px solid rgba(203,213,225,.22);text-decoration:none;position:relative}
.track a::before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:var(--navy);border:2px solid var(--slate)}
.track-n{font-family:var(--font-mono);font-size:.75rem;color:var(--slate)}
.track-l{color:#fff;font-weight:600;font-size:.95rem}
.track a:hover .track-l{color:var(--cyan)}
.track .on a{border-top-color:var(--cyan)}
.track .on a::before{background:var(--cyan);border-color:var(--cyan);box-shadow:0 0 0 5px rgba(0,198,255,.18)}
.track .on .track-n{color:var(--cyan)}

/* ------------------------------------------------------------------ sections */
.section{padding:112px 0}
.section.tint{background:var(--mist);--ring-bg:var(--mist)}
.section.navy{background:var(--navy);color:var(--on-navy);--ring-bg:var(--navy)}
.section.navy h2,.section.navy h3{color:#fff}
.section.navy .eyebrow{color:var(--cyan)}
.section.navy .lead{color:var(--on-navy)}
.sec-head{display:grid;gap:0;max-width:780px;margin-bottom:56px}
.sec-head .lead{margin-top:18px}
.sec-head.center{margin-inline:auto;text-align:center}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:56px}
.head-row .sec-head{margin-bottom:0}
.head-row .btn{flex:none}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px}
.card h3{margin-top:22px}
.card h3+p{margin-top:10px}
.card .dot-list{margin-top:22px;font-size:.95rem}

.intro-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:64px;align-items:start}
.statement{font-family:var(--font-display);font-weight:700;color:var(--ink);letter-spacing:-.025em;font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.1;text-wrap:balance}
.statement em{font-style:normal;color:var(--blue)}
.statement.big{font-size:clamp(1.7rem,3.4vw,2.7rem);font-weight:600;line-height:1.2;max-width:28ch}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:center}
.split-copy>*+*{margin-top:18px}
.split-copy h2{margin-top:0}


/* lifecycle flow */
.flow{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 28px}
.flow .step{position:relative;border-top:2px solid var(--line)}
.flow .step::before{content:"";position:absolute;top:-9px;left:0;width:16px;height:16px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 6px var(--ring-bg)}
.flow .step a{display:flex;flex-direction:column;height:100%;padding-top:32px;color:inherit;text-decoration:none}
.flow .n{font-family:var(--font-mono);font-size:.8rem;color:var(--blue)}
.flow h3{font-size:1.6rem;letter-spacing:-.02em;margin:4px 0 6px;transition:color .15s}
.flow .step a:hover h3{color:var(--action)}
.flow .step-note{color:var(--muted);font-size:.95rem}
.flow ul{list-style:none;margin:18px 0 0;display:grid;gap:8px;font-size:.92rem}
.flow ul li{position:relative;padding-left:16px}
.flow ul li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--slate)}
.flow.applied p{font-size:.95rem;margin-top:4px}
.start{display:inline-block;align-self:flex-start;margin-top:20px;font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--action);background:var(--tint-blue);border-radius:999px;padding:5px 12px}
.more{display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:22px;font-weight:600;font-size:.92rem;color:var(--action)}
.more .arrow{width:16px;height:16px;transition:transform .2s}
a:hover .more .arrow{transform:translateX(3px)}

/* pillars on navy */
.pillar h3{margin-top:22px;font-size:1.25rem}
.pillar p{margin-top:10px;font-size:.95rem;color:var(--on-navy)}

/* reach band */
.reach{background:#fff;padding:72px 0 8px}

/* client work cards */
.case{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px}
.case-meta{font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center}
.case h3{font-size:1.3rem;margin-top:14px;line-height:1.25}
.case-situation{margin-top:12px;color:var(--body);font-size:.95rem}
.case h4{font-family:var(--font-text);font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--action);margin-top:24px}
.case .dot-list{margin:12px 0 24px;font-size:.92rem;gap:8px}
.case-lesson{margin-top:auto;padding:16px 18px;border-left:3px solid var(--blue);background:var(--tint-blue);border-radius:0 12px 12px 0;font-family:var(--font-display);font-weight:600;font-size:1rem;line-height:1.4;color:var(--ink);letter-spacing:-.01em}
.reach-row{display:flex;align-items:center;justify-content:space-between;gap:32px 48px;flex-wrap:wrap}
.reach-lead{max-width:34ch;color:var(--body)}
.reach-lead .eyebrow{margin-bottom:6px}
.regions-big{list-style:none;display:flex;flex-wrap:wrap;align-items:center;font-family:var(--font-display);font-weight:700;font-size:clamp(1.5rem,3vw,2.4rem);letter-spacing:-.02em;color:var(--ink)}
.regions-big li+li::before{content:"";display:inline-block;width:.26em;height:.26em;border-radius:50%;background:var(--blue);vertical-align:.2em;margin:0 .6em}

/* ------------------------------------------------------------------ diagrams */
/* isometric stack */
.iso text{font-family:var(--font-text);font-feature-settings:"cv08" 1}
.iso .t{font-size:17px;font-weight:600}
.iso .s{font-size:13px}
.iso-dark .plate{fill:#10284C;stroke:rgba(148,163,184,.5);stroke-width:1}
.iso-dark .plate.subject{fill:#0F2E57;stroke:var(--cyan);stroke-width:1.5}
.iso-dark .side-l{fill:#0A1A33;stroke:rgba(148,163,184,.3);stroke-width:.75}
.iso-dark .side-r{fill:#081629;stroke:rgba(148,163,184,.3);stroke-width:.75}
.iso-dark .inset{fill:none;stroke:rgba(148,163,184,.45);stroke-dasharray:4 5}
.iso-dark .inset.faint{stroke:rgba(148,163,184,.25)}
.iso-dark .rack,.iso-dark .unit{stroke:rgba(148,163,184,.35);stroke-width:.75}
.iso-dark .ft{fill:#1B3A66}.iso-dark .fx{fill:#0B1C36}.iso-dark .fy{fill:#0F2342}
.iso-dark .unit.ft{fill:#22426F}
.iso-dark .slot{stroke:rgba(148,163,184,.4);stroke-width:1}
.iso-dark .led,.iso-dark .core,.iso-dark .fnode{fill:var(--cyan)}
.iso-dark .flow{fill:none;stroke:var(--cyan);stroke-width:1.5;stroke-dasharray:5 4;opacity:.8}
.iso-dark .pulse{fill:none;stroke:var(--cyan);stroke-width:1.5}
.iso-dark .lbl line{stroke:rgba(148,163,184,.55)}
.iso-dark .lbl circle{fill:var(--slate)}
.iso-dark .lbl .t{fill:#fff}
.iso-dark .lbl .s{fill:var(--slate)}
.iso-dark .lbl.subject circle{fill:var(--cyan)}
.iso-dark .lbl.subject line{stroke:var(--cyan)}

.iso-light .plate{fill:#fff;stroke:rgba(11,30,58,.55);stroke-width:1}
.iso-light .plate.subject{fill:var(--tint-blue);stroke:var(--blue);stroke-width:1.5}
.iso-light .side-l{fill:#E2E8F0;stroke:rgba(11,30,58,.3);stroke-width:.75}
.iso-light .side-r{fill:#CBD5E1;stroke:rgba(11,30,58,.3);stroke-width:.75}
.iso-light .inset{fill:none;stroke:var(--slate);stroke-dasharray:4 5}
.iso-light .inset.faint{stroke:#CBD5E1}
.iso-light .rack,.iso-light .unit{stroke:rgba(11,30,58,.45);stroke-width:.75}
.iso-light .ft{fill:#F5F8FC}.iso-light .fx{fill:#CBD5E1}.iso-light .fy{fill:#E2E8F0}
.iso-light .slot{stroke:rgba(11,30,58,.3);stroke-width:1}
.iso-light .led,.iso-light .core,.iso-light .fnode{fill:var(--blue)}
.iso-light .flow{fill:none;stroke:var(--blue);stroke-width:1.5;stroke-dasharray:5 4;opacity:.8}
.iso-light .pulse{fill:none;stroke:var(--blue);stroke-width:1.5}
.iso-light .lbl line{stroke:var(--slate)}
.iso-light .lbl circle{fill:var(--slate)}
.iso-light .lbl .t{fill:var(--ink)}
.iso-light .lbl .s{fill:var(--muted)}
.iso-light .lbl.subject circle{fill:var(--blue)}
.iso-light .lbl.subject line{stroke:var(--blue)}
.iso .pulse{transform-box:fill-box;transform-origin:center}
@media (prefers-reduced-motion:no-preference){
  .iso .pulse{animation:pulse 2.8s ease-out infinite}
  .iso .led{animation:blink 3.2s steps(1) infinite}
}
@keyframes pulse{0%{opacity:.9;transform:scale(.4)}100%{opacity:0;transform:scale(1.7)}}
@keyframes blink{0%,70%{opacity:1}72%,78%{opacity:.25}80%{opacity:1}}

/* one-system hub */
.hub{width:100%;max-width:560px;margin-inline:auto}
.hub .ring{stroke:var(--slate);stroke-width:1.25;stroke-dasharray:3 6}
.hub .spoke{stroke:var(--navy);stroke-width:1.25;opacity:.45}
.hub .core-ring{fill:none;stroke:var(--blue);stroke-width:1.25;opacity:.35;stroke-dasharray:2 5}
.hub .core{fill:var(--blue)}
.hub .core-t{fill:#fff;font-family:var(--font-display);font-weight:600;font-size:17px}
.hub .node circle{fill:#fff;stroke:var(--navy);stroke-width:1.5}
.hub .di{fill:none;stroke:var(--navy);stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.hub .di .acc{stroke:var(--blue)}
.hub .node text{fill:var(--ink);font-family:var(--font-text);font-weight:600;font-size:15px}

/* sector chain */
.chain{--cols:5}
.chain-groups{display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));gap:16px;margin-bottom:22px}
.chain-groups span{grid-column:span 1;font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:10px;position:relative}
.chain-groups .span-2{grid-column:span 2}
.chain-groups span::after{content:"";position:absolute;bottom:-4px;left:0;width:7px;height:7px;border-radius:50%;background:var(--slate)}
.chain-groups span.on{color:var(--action);border-bottom-color:var(--blue)}
.chain-groups span.on::after{background:var(--blue)}
.chain-list{list-style:none;display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));gap:16px;position:relative;padding-top:30px}
.chain-list::before{content:"";position:absolute;top:5px;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--line),var(--blue) 50%,var(--line))}
.chain-list li{display:flex}
.chain-list a{position:relative;display:flex;flex-direction:column;gap:6px;width:100%;padding:24px 22px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;text-decoration:none;color:var(--body);transition:border-color .2s,transform .2s}
.chain-list a:hover{border-color:var(--blue);transform:translateY(-2px)}
.chain-dot{position:absolute;top:-31px;left:28px;width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid var(--blue)}
.chain-dot::after{content:"";position:absolute;left:50%;top:12px;width:2px;height:17px;margin-left:-1px;background:var(--line)}
.chain-ico{width:44px;height:44px;border-radius:12px;background:var(--tint-blue);display:grid;place-items:center;color:var(--navy);margin-bottom:10px}
.chain-ico .i{width:22px;height:22px}
.chain-n{font-family:var(--font-mono);font-size:.75rem;color:var(--slate)}
.chain-list b{font-family:var(--font-display);font-size:1.12rem;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.2}
.chain-note{font-size:.88rem;color:var(--muted);line-height:1.45}
.chain-list .on a{border-color:var(--blue);background:var(--tint-blue);box-shadow:0 0 0 1px var(--blue) inset}
.chain-list .on .chain-dot{background:var(--blue);box-shadow:0 0 0 5px rgba(0,119,255,.16)}
.chain-list .on .chain-ico{background:#fff}
.chain.compact .chain-list a{flex-direction:row;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--r-md)}
.chain.compact .chain-ico{width:36px;height:36px;margin:0;border-radius:10px}
.chain.compact .chain-ico .i{width:18px;height:18px}
.chain.compact .chain-n{display:none}
.chain.compact b{font-size:.95rem}
.chain.compact .chain-dot{left:50%;margin-left:-7px;top:-31px}
.chain-strip{padding:48px 0 56px;border-bottom:1px solid var(--line)}

/* ------------------------------------------------------------------ services */
/* "Where to start" chooser: situation → stage */
.chooser{list-style:none;border-top:1px solid var(--line)}
.chooser a{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) 56px;gap:40px;align-items:center;padding:32px 12px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--body);transition:background .2s}
.chooser a:hover{background:var(--mist);color:var(--body)}
.ch-situation{font-family:var(--font-display);font-weight:600;font-size:1.25rem;line-height:1.35;letter-spacing:-.01em;color:var(--ink)}
.ch-stage{display:flex;align-items:flex-start;gap:18px}
.ch-text{display:flex;flex-direction:column;align-items:flex-start}
.ch-n{font-family:var(--font-mono);font-size:.78rem;color:var(--blue)}
.ch-text b{font-family:var(--font-display);font-size:1.5rem;letter-spacing:-.02em;color:var(--ink);line-height:1.2}
.ch-note{color:var(--muted);font-size:.95rem;margin-top:2px}
.ch-text .start{margin-top:12px}
.track-note{margin-top:18px;font-size:.92rem;color:var(--slate);max-width:52ch}
.engage h3{margin-top:22px;font-size:1.5rem}
.engage p{margin-top:10px}
.engage.featured{border:1.5px solid var(--blue);box-shadow:var(--shadow)}
.layer-list{margin-top:28px}
.layer-list div{display:grid;grid-template-columns:200px minmax(0,1fr);gap:16px;padding:16px 0;border-top:1px solid var(--line)}
.layer-list div:last-child{border-bottom:1px solid var(--line)}
.layer-list dt{font-family:var(--font-display);font-weight:600;color:var(--ink)}
.layer-list dd{color:var(--muted);font-size:.95rem}
.split-figure .iso-light{max-width:560px}
.principles h3,.voice h3{font-size:1.12rem;margin-top:18px}
.principles p,.voice p{font-size:.95rem;color:var(--muted);margin-top:8px}
.scope h3{font-size:1.25rem}

.deliverable{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px}
.deliverable .i{width:30px;height:30px;color:var(--navy)}
.deliv-n{position:absolute;top:26px;right:26px;font-family:var(--font-mono);font-size:.8rem;color:var(--slate)}
.deliverable h3{font-size:1.1rem;margin-top:22px}
.deliverable p{font-size:.92rem;color:var(--muted);margin-top:8px}

.process{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.process.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.process li{position:relative;padding-top:64px}
.process li:not(:last-child)::after{content:"";position:absolute;top:21px;left:56px;right:-20px;height:2px;background:var(--line)}
.proc-n{position:absolute;top:0;left:0;width:44px;height:44px;border-radius:50%;border:1.5px solid var(--navy);background:var(--ring-bg);display:grid;place-items:center;font-family:var(--font-display);font-weight:700;color:var(--ink)}
.process li:first-child .proc-n{background:var(--blue);border-color:var(--blue);color:#fff}
.process h3{font-size:1.2rem}
.process p{margin-top:8px;font-size:.95rem;color:var(--muted)}
.note-line{margin-top:40px}

.next-card{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:44px;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;color:var(--body);text-decoration:none;transition:border-color .2s,box-shadow .2s}
a.next-card:hover{border-color:var(--blue);box-shadow:var(--shadow);color:var(--body)}
.next-card h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-top:4px}
.next-card h3{font-size:1.25rem;margin-top:2px}
.next-card p:not(.eyebrow){margin-top:12px;color:var(--muted);max-width:62ch}
.next-card .eyebrow{margin-bottom:8px}
.next-arrow{flex:none;width:56px;height:56px;border-radius:50%;background:var(--action);color:#fff;display:grid;place-items:center;transition:transform .2s,background .2s}
.next-arrow .i{width:22px;height:22px}
a:hover .next-arrow{transform:translateX(4px);background:var(--action-hover)}
.next-card.small-card{padding:32px}
.next-card.small-card .next-arrow{width:44px;height:44px}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:64px;align-items:start}
.faq-grid .sec-head{margin-bottom:0}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 0;cursor:pointer;font-family:var(--font-display);font-weight:600;font-size:1.12rem;color:var(--ink);letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--action)}
.faq .chev{width:22px;height:22px;color:var(--muted);transition:transform .2s}
.faq details[open] .chev{transform:rotate(180deg);color:var(--action)}
.faq-a{padding:0 48px 26px 0;color:var(--body);max-width:66ch}

/* ------------------------------------------------------------------ sectors */
.group .eyebrow{margin:22px 0 6px}
.group h3{margin-top:0}
.sector-list{border-top:1px solid var(--line)}
.sector-row{display:grid;grid-template-columns:48px 48px minmax(0,1fr) minmax(0,260px) 56px;gap:28px;align-items:center;padding:32px 12px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--body);transition:background .2s}
.sector-row:hover{background:var(--mist);color:var(--body)}
.sector-n{font-family:var(--font-mono);font-size:.85rem;color:var(--slate)}
.sector-main{display:flex;flex-direction:column}
.sector-main .eyebrow{margin:0 0 6px;font-size:.7rem}
.sector-main b{font-family:var(--font-display);font-size:1.6rem;color:var(--ink);letter-spacing:-.02em;line-height:1.15}
.sector-title{color:var(--muted);margin-top:4px}
.sector-who{font-size:.88rem;color:var(--muted);line-height:1.6}
.questions{list-style:none;display:grid;gap:12px}
.questions li{position:relative;padding:20px 24px 20px 56px;border:1px solid var(--line);border-radius:var(--r-md);font-family:var(--font-display);font-weight:600;font-size:1.08rem;color:var(--ink);line-height:1.35;letter-spacing:-.01em;background:#fff}
.questions li::before{content:"";position:absolute;left:24px;top:1.55em;width:8px;height:8px;border-radius:50%;background:var(--blue)}
.cover h3{font-size:1.18rem}
.cover p{color:var(--muted);font-size:.95rem}

/* ------------------------------------------------------------------ company */
.name-figure{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(28px,5vw,64px)}
.name-figure img{width:100%;height:auto}
.domains{margin-top:28px!important;padding-top:24px;border-top:1px solid var(--line)}
.domains>*+*{margin-top:10px}
.domains .sector-line{font-size:1.1rem}
.principle{display:grid;grid-template-columns:48px minmax(0,1fr);gap:24px}
.principle h3{margin-top:10px;font-size:1.35rem}
.principle-lead{color:var(--ink);font-weight:500;margin-top:10px}
.principle .dot-list{margin-top:16px;font-size:.95rem;color:var(--body)}
.voice h3{display:flex;align-items:center}
.navy .voice p{color:var(--on-navy)}
.voice h3 .bdot{margin:0 12px 0 0;width:9px;height:9px;vertical-align:0}

/* ------------------------------------------------------------------ contact */
.contact-main{padding-top:88px}
.contact-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:start}
.mail-card{position:relative;overflow:hidden;isolation:isolate;background:var(--navy);color:var(--on-navy);border-radius:var(--r-lg);padding:clamp(32px,5vw,56px)}
.mail-card::after{content:"";position:absolute;right:-30%;bottom:-60%;width:90%;aspect-ratio:1;border-radius:50%;z-index:-1;background:radial-gradient(closest-side,rgba(0,198,255,.16),transparent)}
.mail-card .eyebrow{color:var(--cyan);margin-top:28px}
.mail-card h2{margin-top:4px}
.mail-big{color:#fff;font-size:clamp(1.5rem,3.2vw,2.3rem);letter-spacing:-.02em;text-decoration:underline;text-decoration-color:var(--cyan);text-decoration-thickness:2px;text-underline-offset:8px;overflow-wrap:anywhere}
.mail-big:hover{color:var(--cyan)}
.mail-card>p{margin-top:18px;max-width:46ch}
.mail-card .ctas{margin-top:32px}
.mail-hint{color:var(--slate);margin-top:20px!important}
.include{padding:8px 0}
.include h2{font-size:clamp(1.5rem,2.4vw,1.9rem)}
.include-list{list-style:none;margin:28px 0 24px;border-top:1px solid var(--line)}
.include-list li{display:flex;gap:18px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line)}
.include-list h3{font-size:1.05rem}
.include-list p{font-size:.95rem;color:var(--muted);margin-top:4px}
.copy-btn[data-copied] .i,.copy[data-copied] .i{color:var(--cyan)}

/* CTA band */
.cta-section{padding:96px 0 112px}
.cta-band{position:relative;overflow:hidden;isolation:isolate;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:48px;align-items:center;background:var(--navy);border-radius:var(--r-lg);padding:clamp(36px,6vw,72px)}
.cta-band::after{content:"";position:absolute;right:-12%;top:-70%;width:60%;aspect-ratio:1;border-radius:50%;z-index:-1;background:radial-gradient(closest-side,rgba(0,198,255,.18),transparent)}
.cta-band .eyebrow{color:var(--cyan)}
.cta-band h2{color:#fff}
.cta-copy p:not(.eyebrow){color:var(--on-navy);margin-top:16px;max-width:52ch}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.email-chip{display:inline-flex;align-items:stretch;border:1px solid rgba(203,213,225,.3);border-radius:12px;overflow:hidden;max-width:100%}
.email-chip a{padding:12px 16px;color:var(--cyan);font-weight:600;text-decoration:none;overflow-wrap:anywhere}
.email-chip a:hover{text-decoration:underline}
.email-chip .copy{display:inline-flex;align-items:center;gap:8px;padding:0 14px;background:transparent;border:0;border-left:1px solid rgba(203,213,225,.3);color:var(--on-navy);font:500 .85rem var(--font-text);cursor:pointer}
.email-chip .copy:hover{color:#fff;background:rgba(255,255,255,.05)}
.email-chip .i{width:16px;height:16px}
.cta-more{display:inline-flex;align-items:center;gap:8px;color:var(--on-navy);font-size:.92rem;text-decoration:none}
.cta-more:hover{color:#fff}
.cta-more .i{width:16px;height:16px}

/* ------------------------------------------------------------------ footer */
.site-footer{background:var(--navy);color:var(--on-navy);padding:88px 0 40px;font-size:.95rem}
.footer-top{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:48px}
.footer-brand img{width:260px;height:auto}
.footer-brand p{margin-top:28px;max-width:40ch;color:var(--slate);font-size:.92rem}
.footer-col h2{font-family:var(--font-text);font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:16px}
.footer-col h2 a{color:inherit;text-decoration:none}
.footer-col h2 a:hover{color:#fff}
.footer-col h2.mt{margin-top:32px}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:var(--on-navy);text-decoration:none}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-col .footer-mail{color:var(--cyan);font-weight:600}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px 32px;margin-top:72px;padding-top:28px;border-top:1px solid rgba(203,213,225,.15);font-size:.85rem;color:var(--slate)}
.footer-bottom a{color:var(--on-navy)}
.footer-bottom .regions{letter-spacing:.08em}
.footer-bottom .bdot{margin:0 .8em}

/* ------------------------------------------------------------------ prose pages */
.prose-page{max-width:760px}
.prose-page h2{font-size:1.45rem;margin:48px 0 12px}
.prose-page>h2:first-child{margin-top:0}
.prose-page p+p{margin-top:14px}
.prose-page .dot-list{margin-top:14px}
.prose-page .dot-list+p,.prose-page p+.dot-list{margin-top:14px}
.prose-page b{color:var(--ink);font-weight:600}
.status-note{margin-top:20px;padding:14px 18px;border-left:3px solid var(--blue);background:var(--tint-blue);border-radius:0 12px 12px 0;color:var(--ink);font-size:.95rem}
.table-wrap{margin-top:20px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md)}
.table-wrap table{width:100%;border-collapse:collapse;font-size:.9rem}
.table-wrap th,.table-wrap td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.table-wrap th{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;background:var(--mist)}
.table-wrap tr:last-child td{border-bottom:0}
.lost-links .next-card{height:100%}

/* ------------------------------------------------------------------ motion */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
  .js .reveal.in{opacity:1;transform:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* ------------------------------------------------------------------ responsive */
@media (max-width:1100px){
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid.cases{grid-template-columns:minmax(0,1fr)}
  .case{max-width:760px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:48px 28px}
  .footer-top{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-brand{grid-column:1/-1}
  .chain{--cols:5}
  .chain-note{display:none}
  .sector-row{grid-template-columns:40px 48px minmax(0,1fr) 56px}
  .sector-who{display:none}
}

@media (max-width:960px){
  :root{--header:72px}
  .brand img{width:148px}
  .burger{display:inline-grid}
  .site-header{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none} /* a filter would trap the fixed menu panel */
  .main-nav{
    position:fixed;left:0;right:0;top:var(--header);bottom:0;z-index:49;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:12px var(--gutter) 32px;overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility .2s
  }
  .nav-open .main-nav{opacity:1;visibility:visible;transform:none}
  .nav-open .burger .open{display:none}
  .nav-open .burger .shut{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list>li{border-bottom:1px solid var(--line)}
  .nav-top{justify-content:space-between}
  .nav-link{height:56px;padding:0;font-size:1.1rem;font-weight:600;color:var(--ink)}
  .nav-link.active{box-shadow:none;color:var(--action)}
  .menu-toggle{width:48px;height:48px;margin:0}
  .menu-toggle .i{width:20px;height:20px}
  .menu{position:static;min-width:0;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 12px;display:none}
  .menu::before{display:none}
  .has-menu.open .menu{display:block}
  .has-menu.open .menu-toggle .i{transform:rotate(180deg)}
  .menu a{padding:10px 12px}
  .menu .menu-all{border-top:0;padding-top:8px}
  .nav-cta{margin-top:28px;min-height:52px}
  body.nav-open{overflow:hidden}

  .section{padding:80px 0}
  .hero.has-aside .hero-grid{grid-template-columns:minmax(0,1fr)}
  .hero-aside .iso{margin:0 auto;max-width:520px}
  .aside-card{margin-left:0;max-width:none}
  .hero-lg{padding:64px 0 72px}
  .intro-grid,.split,.faq-grid,.contact-grid,.cta-band{grid-template-columns:minmax(0,1fr);gap:40px}
  .split-figure{order:-1}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .head-row{flex-direction:column;align-items:flex-start;gap:24px}
  .process{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 32px}
  .process li:nth-child(2n)::after{display:none}
  .process.three li::after{display:none}

  /* chain becomes vertical */
  .chain-groups{display:none}
  .chain-list{grid-template-columns:minmax(0,1fr);gap:12px;padding:0 0 0 32px}
  .chain-list::before{top:0;bottom:0;left:6px;right:auto;width:2px;height:auto;background:linear-gradient(180deg,var(--line),var(--blue) 50%,var(--line))}
  .chain-list a{flex-direction:row;align-items:center;gap:16px;padding:16px 18px;border-radius:var(--r-md)}
  .chain-ico{margin:0;width:40px;height:40px}
  .chain-dot,.chain.compact .chain-dot{top:50%;left:-33px;margin:-7px 0 0}
  .chain-dot::after{left:12px;top:50%;width:19px;height:2px;margin:-1px 0 0}
  .chain-n{display:none}
  .chain.compact .chain-list{gap:8px}
  .chain.compact .chain-list a{padding:10px 14px}
}

@media (max-width:640px){
  :root{--gutter:20px}
  body{font-size:16px}
  .section{padding:64px 0}
  .cta-section{padding:64px 0 72px}
  .hero-md,.hero-sm{padding:48px 0 60px}
  .g2,.g3,.g4{grid-template-columns:minmax(0,1fr)}
  .flow{grid-template-columns:minmax(0,1fr);gap:40px}
  .process,.process.three{grid-template-columns:minmax(0,1fr);gap:28px}
  .process li{padding:0 0 0 64px;min-height:44px}
  .process li::after{display:none}
  .track{gap:8px;margin-top:40px}
  .track-l{font-size:.85rem}
  .card{padding:26px}
  .chooser a{grid-template-columns:minmax(0,1fr) 44px;gap:16px 16px;padding:24px 4px}
  .ch-situation{grid-column:1/-1;font-size:1.08rem}
  .chooser .next-arrow{width:44px;height:44px}
  .next-card{flex-direction:column;align-items:flex-start;gap:24px;padding:28px}
  .layer-list div{grid-template-columns:minmax(0,1fr);gap:4px}
  .sector-row{grid-template-columns:48px minmax(0,1fr) 44px;gap:16px;padding:24px 4px}
  .sector-n{display:none}
  .sector-row .next-arrow{width:44px;height:44px}
  .sector-main b{font-size:1.3rem}
  .faq-a{padding-right:0}
  .principle{grid-template-columns:minmax(0,1fr);gap:0}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .regions-big{font-size:1.5rem;flex-direction:column;align-items:flex-start;gap:4px}
  .regions-big li::before,.regions-big li+li::before{content:"";display:inline-block;width:.26em;height:.26em;border-radius:50%;background:var(--blue);vertical-align:.2em;margin:0 .5em 0 0}
  .questions li{padding:18px 18px 18px 44px;font-size:1rem}
  .questions li::before{left:20px}
  .hero-aside .iso,.split-figure .iso{display:none} /* labels would be too small to read; the content is repeated in text */
  .hero.has-aside .hero-grid{gap:32px}
  .btn{white-space:normal;text-align:center}
}

@media print{
  .site-header,.cta-section,.burger{display:none}
  .hero,.section.navy,.site-footer{background:#fff;color:#000}
  .hero h1,.section.navy h2,.section.navy h3{color:#000}
}