/* ============ FONTS (embedded, self-contained) ============ */
@font-face{font-family:'Geist';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/sans-400.woff2) format('woff2');}
@font-face{font-family:'Geist';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/sans-500.woff2) format('woff2');}
@font-face{font-family:'Geist';font-style:normal;font-weight:600;font-display:swap;src:url(fonts/sans-600.woff2) format('woff2');}
@font-face{font-family:'Geist';font-style:normal;font-weight:700;font-display:swap;src:url(fonts/sans-700.woff2) format('woff2');}
@font-face{font-family:'Geist Mono';font-style:normal;font-weight:400;font-display:swap;src:url(fonts/mono-400.woff2) format('woff2');}
@font-face{font-family:'Geist Mono';font-style:normal;font-weight:500;font-display:swap;src:url(fonts/mono-500.woff2) format('woff2');}

/* ============ TOKENS ============ */
:root{
  --brand:#003888; --brand-700:#002a66; --brand-300:#5a85c4; --brand-100:#d7e1f0;
  --ink:#07121f; --ink-800:#0b1a2b; --ink-700:#102438; --graphite:#26384a;
  --paper:#eef1f5; --paper-2:#e6ebf1; --surface:#ffffff; --surface-2:#f7f9fc;
  --line:#d6dee7; --line-2:#c5d0db; --line-dark:rgba(255,255,255,.12); --line-dark-2:rgba(255,255,255,.07);
  --text:#14202b; --muted:#566576; --faint:#7d8c9b;
  --text-inv:#e9eef4; --muted-inv:#9aabbb; --faint-inv:#64788c;
  --cyan:#2fb6cf; --cyan-soft:rgba(47,182,207,.16);
  --sans:"Switzer","Graphik","Geist","Geist Sans",sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
  --maxw:1200px; --gut:clamp(20px,5vw,64px);
  --r:4px; --r-lg:8px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--paper);color:var(--text);line-height:1.65;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--brand);color:#fff}

/* ============ PRIMITIVES ============ */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
.section{padding-block:clamp(64px,9vw,128px)}
.eyebrow{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.24em;text-transform:uppercase;color:var(--brand);display:inline-flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.55}
.dark .eyebrow{color:var(--cyan)}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.02em;line-height:1.08;color:inherit}
.h2{font-size:clamp(1.85rem,3.5vw,3rem);max-width:18ch}
.lead{font-size:clamp(1.08rem,1.6vw,1.3rem);color:var(--muted);font-weight:400;line-height:1.55;max-width:62ch}
.dark .lead{color:var(--muted-inv)}
.dark{background:var(--ink);color:var(--text-inv)}
.mono{font-family:var(--mono)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--sans);font-weight:500;font-size:.96rem;
  padding:.82em 1.4em;border-radius:var(--r);border:1px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap;line-height:1}
.btn .arr{font-family:var(--mono);transition:transform .18s ease}
.btn:hover .arr{transform:translateX(3px)}
.btn-solid{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-solid:hover{background:var(--brand-700);border-color:var(--brand-700)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.dark .btn-ghost{color:var(--text-inv);border-color:var(--line-dark)}
.dark .btn-ghost:hover{border-color:var(--cyan);color:#fff}
.btn-lite{background:#fff;color:var(--ink);border-color:#fff}
.btn-lite:hover{background:var(--paper)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.link-arr{font-family:var(--mono);font-size:.85rem;letter-spacing:.02em;color:var(--brand);display:inline-flex;align-items:center;gap:.5em;border-bottom:1px solid transparent;transition:.16s}
.link-arr:hover{border-color:currentColor}
.dark .link-arr{color:var(--cyan)}

/* ============ ANNOUNCEMENT BAR ============ */
.announce{background:var(--ink);color:var(--text-inv);border-bottom:1px solid var(--line-dark-2);font-size:.84rem}
.announce .wrap{display:flex;align-items:center;justify-content:center;gap:clamp(14px,3vw,34px);padding-block:9px;flex-wrap:wrap}
.announce .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);padding-right:4px;border-right:1px solid var(--line-dark);margin-right:4px}
.announce a{display:inline-flex;align-items:center;gap:.5em;color:var(--text-inv);transition:color .16s}
.announce a:hover{color:#fff}
.announce a .arr{font-family:var(--mono);color:var(--cyan)}
.announce .sec{color:var(--muted-inv)}
.announce .sec:hover{color:var(--text-inv)}
.announce .divid{color:var(--line-dark);user-select:none}

/* ============ HEADER ============ */
.hdr{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.86);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.hdr .wrap{max-width:1520px;padding-inline:clamp(18px,3vw,40px)}
.hdr-in{display:flex;align-items:center;gap:16px;height:66px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:24px;width:auto}
.nav{display:flex;align-items:center;gap:0;margin-left:2px}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:.32em;font-size:.875rem;font-weight:500;color:var(--text);white-space:nowrap;padding:8px 8px;border-radius:var(--r);cursor:pointer;transition:.14s;background:none;border:none;font-family:var(--sans)}
.nav-link:hover{color:var(--brand);background:var(--surface-2)}
.nav-link .chev{width:8px;height:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.5;transition:transform .2s}
.nav-item.open .chev{transform:rotate(-135deg) translateY(-2px)}
.hdr-cta{margin-left:auto;display:flex;align-items:center;gap:4px}
.hdr-cta .tlink{font-size:.85rem;font-weight:500;color:var(--muted);white-space:nowrap;padding:8px 8px;border-radius:var(--r);transition:.14s}
.hdr-cta .tlink:hover{color:var(--brand)}
.hdr-cta .btn{padding:.55em .9em;font-size:.85rem;white-space:nowrap}
.burger{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger span{width:18px;height:1.6px;background:var(--text);transition:.2s}

/* mega dropdown */
.mega{position:absolute;top:calc(100% + 8px);left:0;min-width:300px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 24px 60px -24px rgba(7,18,31,.35);padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;z-index:95}
.nav-item.open .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega.wide{min-width:520px;display:grid;grid-template-columns:1fr 1fr;gap:4px}
.mega-h{font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);padding:8px 12px 4px;grid-column:1/-1}
.mega a{display:block;padding:9px 12px;border-radius:var(--r);transition:.13s}
.mega a:hover{background:var(--surface-2)}
.mega a .t{font-size:.92rem;font-weight:500;color:var(--text);display:flex;align-items:center;gap:.4em}
.mega a .t .ext{font-family:var(--mono);font-size:.7rem;color:var(--faint)}
.mega a .d{font-size:.8rem;color:var(--muted);margin-top:1px;line-height:1.4}

/* ============ HERO ============ */
.hero{background:#030812;color:var(--text-inv);position:relative;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;z-index:-3;
  background:radial-gradient(circle at 72% 42%,rgba(39,169,225,.18),transparent 40%),
             radial-gradient(ellipse 70% 55% at 80% 4%,rgba(0,56,136,.34),transparent 60%)}
.hero-grid{position:absolute;inset:0;z-index:-2;opacity:.26}
.hero-grid .ln{position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--line-dark-2) 18%,var(--line-dark-2) 82%,transparent)}
.hero .wrap{padding-block:clamp(72px,12vw,150px) clamp(56px,8vw,104px);position:relative}
.hero-tag{margin-bottom:30px}
.hero h1{font-size:clamp(2.5rem,6.4vw,5.1rem);font-weight:700;letter-spacing:-.035em;line-height:.99;max-width:16ch}
.hero h1 .typed-wrap{display:block;color:var(--brand-300)}
.hero h1 .typed{color:#fff}
.cursor{display:inline-block;width:3px;height:.86em;background:var(--cyan);margin-left:4px;vertical-align:-2px;animation:blink 1.15s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero-sub{margin-top:32px;font-size:clamp(1.1rem,1.7vw,1.34rem);color:var(--muted-inv);max-width:60ch;line-height:1.55;font-weight:400}
.hero-thesis{margin-top:30px;display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:.92rem;letter-spacing:.01em}
.hero-thesis .g{color:var(--faint-inv)}.hero-thesis .c{color:#fff}
.hero-thesis .bar{width:1px;height:18px;background:var(--line-dark)}
.hero .axis{margin-top:18px;font-family:var(--mono);font-size:.82rem;color:var(--cyan);font-weight:500}

/* ============ CONTEXT STRIP ============ */
.ctx{background:var(--ink-800);color:var(--text-inv);border-top:1px solid var(--line-dark-2);border-bottom:1px solid var(--line-dark-2)}
.ctx .wrap{padding-block:clamp(40px,5vw,64px)}
.ctx-lab{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint-inv);margin-bottom:18px}
.ctx-sectors{display:flex;flex-wrap:wrap;gap:10px 0;font-size:clamp(1.05rem,2.2vw,1.5rem);font-weight:600;letter-spacing:-.01em;line-height:1.3}
.ctx-sectors span{color:var(--text-inv);position:relative;padding-right:18px;margin-right:18px}
.ctx-sectors span:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;width:5px;height:5px;background:var(--cyan);border-radius:50%;transform:translateY(-50%);opacity:.7}
.ctx-note{margin-top:28px;font-size:1.06rem;color:var(--muted-inv);max-width:70ch;line-height:1.6}
.ctx-note b{color:#fff;font-weight:600}

/* ============ THESIS MODULE (CEO) ============ */
.ceo .wrap{display:grid;grid-template-columns:1fr;gap:40px}
.ceo-card{border:1px solid var(--line);background:var(--surface);border-radius:var(--r-lg);padding:clamp(28px,4vw,48px);position:relative;overflow:hidden}
.ceo-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand)}
.ceo-card .eyebrow{margin-bottom:18px}
.ceo-q{font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:500;letter-spacing:-.015em;line-height:1.35;color:var(--text);max-width:46ch}
.ceo-by{margin-top:22px;font-family:var(--mono);font-size:.82rem;color:var(--muted);letter-spacing:.02em}
.ceo .cta-row{margin-top:30px}

/* ============ EDITORIAL / generic light section ============ */
.kicker-h{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;margin-bottom:clamp(36px,5vw,56px)}
.stack-lines{font-size:clamp(1.5rem,3.2vw,2.45rem);font-weight:600;letter-spacing:-.02em;line-height:1.18;color:var(--text);max-width:24ch}
.editorial-body{max-width:64ch}
.editorial-body p{color:var(--muted);font-size:1.06rem;margin-top:1.1em}
.editorial-body p:first-child{margin-top:0}
.editorial-body .punch{color:var(--text);font-weight:500}
.drift-strip{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0}
.chip{font-family:var(--mono);font-size:.78rem;color:var(--muted);border:1px solid var(--line);background:var(--surface);padding:7px 12px;border-radius:100px}
.flag{margin-top:32px;font-family:var(--mono);font-size:1rem;color:var(--brand);font-weight:500;display:flex;align-items:center;gap:.6em}
.flag::before{content:"//";color:var(--cyan)}

/* two-col argument */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,6vw,80px);align-items:start}
.split .skey h2{font-size:clamp(1.7rem,3vw,2.55rem)}

/* category bullets */
.cat-defines{list-style:none;margin-top:28px;border-top:1px solid var(--line)}
.cat-defines li{display:flex;gap:16px;padding:15px 4px;border-bottom:1px solid var(--line);align-items:baseline}
.cat-defines li .n{font-family:var(--mono);font-size:.78rem;color:var(--brand);min-width:30px}
.cat-defines li .x{font-size:1.02rem;color:var(--text)}
.cat-close{margin-top:34px;border:1px solid var(--line-2);border-radius:var(--r-lg);padding:24px 26px;background:var(--surface)}
.cat-close .a{color:var(--muted)}
.cat-close .b{color:var(--text);font-weight:600;margin-top:.3em;font-size:1.12rem}

/* ============ CORE STACK DIAGRAM (signature) ============ */
.stack-sec{background:var(--ink);color:var(--text-inv);position:relative;overflow:hidden}
.stack-sec::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 50% at 85% 0%,rgba(0,56,136,.35),transparent 62%);z-index:0}
.stack-sec .wrap{position:relative;z-index:1}
.stack-head{max-width:60ch;margin-bottom:clamp(40px,5vw,60px)}
.stack-head h2{color:#fff}
.diagram{display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--line-dark);border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.02),transparent)}
.dia-cap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 22px;font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;color:var(--faint-inv);text-transform:uppercase}
.dia-cap.top{background:rgba(255,255,255,.04);border-bottom:1px dashed var(--line-dark)}
.dia-cap.bot{background:rgba(255,255,255,.04);border-top:1px dashed var(--line-dark)}
.dia-cap .dot{display:inline-flex;align-items:center;gap:.55em}
.dia-cap .dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-300)}
.dia-cap.bot .dot::before{background:var(--faint-inv)}
.layers{display:flex;flex-direction:column}
.layer{display:grid;grid-template-columns:64px 1.1fr 2fr;align-items:center;gap:18px;padding:18px 22px;border-bottom:1px solid var(--line-dark-2);
  position:relative;transition:background .18s}
.layer:last-child{border-bottom:none}
.layer:hover{background:rgba(47,182,207,.06)}
.layer .ln{font-family:var(--mono);font-size:.82rem;color:var(--cyan);font-weight:500}
.layer .lt{font-size:1.12rem;font-weight:600;color:#fff;letter-spacing:-.01em}
.layer .ld{font-size:.92rem;color:var(--muted-inv);line-height:1.5}
.layer::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--brand);opacity:0;transition:opacity .18s}
.layer:hover::before{opacity:1}
.stack-sec .cta-row{margin-top:36px}
.stack-foot-links{margin-top:22px;display:flex;flex-wrap:wrap;gap:24px}

/* ============ DELIVERY MODELS ============ */
.backbone{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-family:var(--mono);font-size:clamp(.9rem,2vw,1.15rem);font-weight:500;color:var(--text);margin-bottom:clamp(40px,5vw,60px)}
.backbone .step{color:var(--brand)}.backbone .sep{color:var(--faint)}
.paths{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.path{border:1px solid var(--line);background:var(--surface);border-radius:var(--r-lg);padding:26px 24px;display:flex;flex-direction:column;min-height:100%;transition:.18s;position:relative}
.path:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:0 22px 40px -28px rgba(0,56,136,.4)}
.path .verb{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
.path h3{font-size:1.32rem;margin-bottom:10px}
.path p{font-size:.95rem;color:var(--muted);line-height:1.55;flex:1}
.path .pcta{margin-top:20px;font-family:var(--mono);font-size:.82rem;color:var(--brand);display:inline-flex;align-items:center;gap:.5em;font-weight:500}
.path.feat{background:var(--ink);color:var(--text-inv);border-color:var(--ink)}
.path.feat h3{color:#fff}.path.feat p{color:var(--muted-inv)}
.path.feat .verb{color:var(--cyan)}.path.feat .pcta{color:var(--cyan)}
.path.feat:hover{border-color:var(--cyan)}

/* ============ PARTNER (dark technical) ============ */
.partner{background:var(--ink-800);color:var(--text-inv);border-top:1px solid var(--brand);position:relative;overflow:hidden}
.partner .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(32px,6vw,72px);align-items:center}
.partner h2{color:#fff;font-size:clamp(1.7rem,3vw,2.5rem)}
.partner .pwho{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px}
.partner .pwho .chip{color:var(--muted-inv);border-color:var(--line-dark);background:rgba(255,255,255,.03)}
.partner-aside{border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:28px;background:rgba(255,255,255,.02)}
.partner-aside .pa-line{font-family:var(--mono);font-size:.86rem;color:var(--cyan);margin-bottom:18px}
.partner-aside p{color:var(--muted-inv);font-size:.96rem;line-height:1.6}

/* ============ USE CASES GRID ============ */
.uc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.uc{background:var(--surface);padding:26px 24px;transition:.16s}
.uc:hover{background:var(--surface-2)}
.uc .uci{font-family:var(--mono);font-size:.72rem;color:var(--brand);letter-spacing:.1em;margin-bottom:12px}
.uc h3{font-size:1.16rem;margin-bottom:8px;letter-spacing:-.01em}
.uc p{font-size:.92rem;color:var(--muted);line-height:1.55}

/* ============ DIFFERENTIATION ============ */
.diff{background:var(--surface-2)}
.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
.diff-card{border:1px solid var(--line);background:var(--surface);border-radius:var(--r-lg);padding:24px}
.diff-card .dl{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.diff-card p{font-size:.96rem;color:var(--muted);line-height:1.55}
.diff-card.core{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
.diff-card.core .dl{color:var(--brand)}.diff-card.core p{color:var(--text)}
.diff-punch{margin-top:30px;font-size:clamp(1.2rem,2.4vw,1.7rem);font-weight:600;letter-spacing:-.02em;line-height:1.25}
.diff-punch .a{color:var(--muted)}.diff-punch .b{color:var(--text)}

/* ============ SCIENCE BAND ============ */
.sci{background:var(--ink);color:var(--text-inv)}
.sci .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,72px);align-items:start}
.sci h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.3rem)}
.sci-links{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--r-lg);overflow:hidden}
.sci-links a{background:var(--ink);padding:18px 20px;transition:.15s;display:flex;flex-direction:column;gap:4px}
.sci-links a:hover{background:var(--ink-700)}
.sci-links a .st{font-size:.98rem;font-weight:600;color:#fff;display:flex;align-items:center;gap:.4em}
.sci-links a .st .ext{font-family:var(--mono);font-size:.7rem;color:var(--cyan)}
.sci-links a .sd{font-family:var(--mono);font-size:.72rem;color:var(--faint-inv);letter-spacing:.02em}

/* ============ RESPONSIBLE PROMISE ============ */
.prom .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,6vw,72px);align-items:start}
.prom h2{font-size:clamp(1.6rem,2.8vw,2.3rem)}
.prom-list{columns:2;column-gap:32px}
.prom-list li{list-style:none;font-size:.98rem;color:var(--text);padding:10px 0;border-bottom:1px solid var(--line);break-inside:avoid;display:flex;gap:10px;align-items:baseline}
.prom-list li::before{content:"+";font-family:var(--mono);color:var(--brand);font-weight:500}
.prom-not{margin-top:28px;border-left:2px solid var(--line-2);padding-left:20px;color:var(--muted);font-size:.96rem;max-width:64ch}
.prom-end{margin-top:24px;font-size:1.15rem;font-weight:600;color:var(--text)}
.prom-end .c{color:var(--brand)}

/* ============ FINAL CTA ============ */
.final{background:var(--ink);color:var(--text-inv);text-align:center;position:relative;overflow:hidden}
.final::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 70% at 50% 120%,rgba(0,56,136,.5),transparent 60%)}
.final .wrap{position:relative}
.final h2{font-size:clamp(1.9rem,4vw,3.1rem);color:#fff;max-width:20ch;margin:0 auto;letter-spacing:-.025em}
.final h2 .arch{color:var(--brand-300)}
.final p{margin:26px auto 0;color:var(--muted-inv);max-width:64ch;font-size:1.06rem}
.final .cta-row{justify-content:center;margin-top:38px}
.final .closing{margin-top:48px;padding-top:34px;border-top:1px solid var(--line-dark-2);font-family:var(--mono);font-size:.95rem;color:var(--faint-inv);display:flex;flex-direction:column;gap:6px;align-items:center}
.final .closing .c1{color:var(--text-inv)}.final .closing .c2{color:var(--cyan)}.final .closing .c3{color:#fff;font-weight:500}

/* ============ FOOTER ============ */
.foot{background:#040c16;color:var(--muted-inv);padding-block:clamp(56px,7vw,84px) 36px}
.foot-top{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:36px 28px}
.foot-brand img{height:22px;margin-bottom:18px}
.foot-brand p{font-size:.9rem;color:var(--faint-inv);max-width:34ch;line-height:1.6}
.foot-brand .pos{font-family:var(--mono);font-size:.72rem;color:var(--cyan);letter-spacing:.04em;margin-top:18px;line-height:1.6}
.fcol h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint-inv);font-weight:500;margin-bottom:14px}
.fcol a{display:block;font-size:.88rem;color:var(--muted-inv);padding:5px 0;transition:.14s}
.fcol a:hover{color:#fff}
.fcol a .ext{font-family:var(--mono);font-size:.66rem;color:var(--faint-inv);margin-left:.3em}
.foot-bot{margin-top:clamp(40px,5vw,60px);padding-top:26px;border-top:1px solid var(--line-dark-2);display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.foot-bot .lng{display:flex;gap:4px;font-family:var(--mono);font-size:.76rem}
.foot-bot .lng a{padding:5px 10px;border:1px solid var(--line-dark);border-radius:var(--r);color:var(--muted-inv);transition:.14s}
.foot-bot .lng a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.foot-bot .lng a:hover{color:#fff;border-color:var(--brand-300)}
.foot-bot .meta{font-family:var(--mono);font-size:.74rem;color:var(--faint-inv);letter-spacing:.02em}
.foot-bot .meta a{color:var(--muted-inv);border-bottom:1px solid var(--line-dark)}

/* ============ MOBILE MENU ============ */
.mobile{position:fixed;inset:0;z-index:120;background:var(--ink);color:var(--text-inv);transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;display:flex;flex-direction:column}
.mobile.open{transform:translateX(0)}
.mobile-top{display:flex;align-items:center;justify-content:space-between;padding:18px var(--gut);border-bottom:1px solid var(--line-dark-2)}
.mobile-top img{height:22px}
.mclose{width:42px;height:42px;border:1px solid var(--line-dark);background:none;border-radius:var(--r);color:#fff;font-size:1.3rem;cursor:pointer}
.mobile-body{padding:8px var(--gut) 40px;flex:1}
.macc{border-bottom:1px solid var(--line-dark-2)}
.macc>button{width:100%;text-align:left;background:none;border:none;color:var(--text-inv);font-family:var(--sans);font-size:1.1rem;font-weight:500;padding:18px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.macc>button .pl{font-family:var(--mono);color:var(--cyan)}
.macc-panel{display:none;padding-bottom:14px}
.macc.open .macc-panel{display:block}
.macc-panel a{display:block;color:var(--muted-inv);padding:8px 0;font-size:.96rem}
.macc-panel a:hover{color:#fff}
.mobile-cta{display:flex;flex-direction:column;gap:10px;margin-top:26px}
.mobile-cta .btn{justify-content:center;width:100%}
.scrim{position:fixed;inset:0;z-index:110;background:rgba(4,12,22,.5);opacity:0;visibility:hidden;transition:.2s}
.scrim.on{opacity:1;visibility:visible}

/* ============ RESPONSIVE ============ */
@media(max-width:1320px){
  .nav,.hdr-cta .tlink,.hdr-cta .btn-ghost{display:none}
  .burger{display:flex}
  .hdr-cta{display:none}
}
@media(max-width:900px){
  .paths{grid-template-columns:1fr 1fr}
  .uc-grid{grid-template-columns:1fr 1fr}
  .split,.partner .wrap,.sci .wrap,.prom .wrap{grid-template-columns:1fr;gap:36px}
  .sci-links{grid-template-columns:1fr}
  .diff-grid{grid-template-columns:1fr}
  .prom-list{columns:1}
}
@media(max-width:640px){
  body{font-size:16px}
  .paths,.uc-grid{grid-template-columns:1fr}
  .layer{grid-template-columns:48px 1fr;gap:10px 14px}
  .layer .ld{grid-column:2;margin-top:2px}
  .announce .sec,.announce .divid{display:none}
  .ctx-sectors{font-size:1.1rem}
  .hero-thesis{flex-wrap:wrap}
}
/* dark-context overrides (sections with their own dark bg) */
.on-dark .eyebrow{color:var(--cyan)}
.on-dark .lead{color:var(--muted-inv)}
.on-dark .btn-ghost,.mobile .btn-ghost{color:var(--text-inv);border-color:var(--line-dark)}
.on-dark .btn-ghost:hover,.mobile .btn-ghost:hover{border-color:var(--cyan);color:#fff}
.on-dark .link-arr{color:var(--cyan)}
.hero .hero-tag{color:var(--brand-300)}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .cursor{display:none}
}

/* ============ SAAS: STATEMENT ============ */
.statement{background:var(--surface-2)}
.statement .wrap{text-align:center}
.statement .big{font-size:clamp(1.6rem,3.4vw,2.7rem);font-weight:600;letter-spacing:-.02em;line-height:1.2;max-width:24ch;margin:0 auto;color:var(--text)}
.statement .big .c{color:var(--brand)}
.statement .sm{margin-top:18px;font-family:var(--mono);font-size:.9rem;color:var(--muted);letter-spacing:.01em}

/* ============ SAAS: LAYER ACCORDION ============ */
.layers-acc{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:last-child{border-bottom:none}
.acc-head{width:100%;display:grid;grid-template-columns:54px 1fr 28px;align-items:center;gap:16px;padding:20px 22px;background:none;border:none;cursor:pointer;text-align:left;font-family:var(--sans);transition:background .15s}
.acc-head:hover{background:var(--surface-2)}
.acc-head .ln{font-family:var(--mono);font-size:.82rem;color:var(--brand);font-weight:500}
.acc-head .lt{font-size:1.18rem;font-weight:600;color:var(--text);letter-spacing:-.01em}
.acc-head .pm{justify-self:end;width:14px;height:14px;position:relative}
.acc-head .pm::before,.acc-head .pm::after{content:"";position:absolute;background:var(--brand);transition:.2s}
.acc-head .pm::before{left:0;right:0;top:6px;height:2px}
.acc-head .pm::after{top:0;bottom:0;left:6px;width:2px}
.acc-item.open .acc-head .pm::after{transform:scaleY(0)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-item.open .acc-body{max-height:640px}
.acc-inner{padding:0 22px 24px 92px}
.acc-inner p{color:var(--muted);font-size:1rem;line-height:1.6;max-width:64ch}
.acc-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.acc-tags span{font-family:var(--mono);font-size:.74rem;color:var(--muted);border:1px solid var(--line);background:var(--surface-2);padding:5px 10px;border-radius:100px}
@media(max-width:640px){.acc-inner{padding-left:22px}.acc-head{grid-template-columns:40px 1fr 24px;gap:10px}}

/* ============ SAAS: MODULES GRID ============ */
.mods{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.mod{background:var(--surface);padding:24px 22px;transition:.15s}
.mod:hover{background:var(--surface-2)}
.mod .mi{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--brand);margin-bottom:12px}
.mod h3{font-size:1.08rem;margin-bottom:7px;letter-spacing:-.01em}
.mod p{font-size:.9rem;color:var(--muted);line-height:1.5}
@media(max-width:900px){.mods{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.mods{grid-template-columns:1fr}}

/* ============ SAAS: COMPARISON ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.cmp{border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;background:var(--surface)}
.cmp.gov{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
.cmp .ch{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.cmp.gov .ch{color:var(--brand)}
.cmp ul{list-style:none}
.cmp li{font-size:.95rem;color:var(--text);padding:9px 0;display:flex;gap:11px;align-items:baseline;line-height:1.45}
.cmp li::before{font-family:var(--mono);font-size:.9rem}
.cmp.gen li::before{content:"–";color:var(--faint)}
.cmp.gov li::before{content:"+";color:var(--brand);font-weight:500}
.cmp-punch{margin-top:26px;font-size:clamp(1.15rem,2.2vw,1.5rem);font-weight:600;letter-spacing:-.015em;color:var(--text)}
@media(max-width:760px){.compare{grid-template-columns:1fr}}

/* ============ SAAS: STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step-c{border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;background:var(--surface);position:relative}
.step-c .sn{font-family:var(--mono);font-size:.78rem;color:var(--brand);letter-spacing:.06em;margin-bottom:14px;display:flex;align-items:center;gap:.6em}
.step-c .sn::before{content:"";width:24px;height:1px;background:var(--brand);opacity:.5}
.step-c h3{font-size:1.12rem;margin-bottom:8px}
.step-c p{font-size:.92rem;color:var(--muted);line-height:1.55}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ============ SAAS: ENTERPRISE / PRICING BAND ============ */
.enter .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,72px);align-items:center}
.enter h2{color:#fff;font-size:clamp(1.6rem,2.8vw,2.3rem)}
.price-card{border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:30px;background:rgba(255,255,255,.02)}
.price-card .pk{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.price-card h3{color:#fff;font-size:1.25rem;margin-bottom:18px;letter-spacing:-.01em}
.price-card ul{list-style:none;margin-bottom:8px}
.price-card li{font-size:.92rem;color:var(--muted-inv);padding:7px 0;border-bottom:1px solid var(--line-dark-2);display:flex;gap:10px;align-items:baseline}
.price-card li::before{content:"·";color:var(--cyan);font-weight:700}
.price-card .pn{margin-top:18px;font-family:var(--mono);font-size:.84rem;color:var(--faint-inv);line-height:1.6}
.enter .cta-row{margin-top:28px}
@media(max-width:900px){.enter .wrap{grid-template-columns:1fr;gap:36px}}

/* ============ HERO VIDEO — cinematic ============ */
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-4;opacity:1;filter:contrast(1.15) saturate(1.12) brightness(.88);transform:scale(1.03);pointer-events:none}
/* directional overlay: strong behind the text (left), vivid on the right */
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(3,8,18,.93) 0%,rgba(3,8,18,.78) 32%,rgba(3,8,18,.40) 66%,rgba(3,8,18,.14) 100%),
  linear-gradient(180deg,rgba(3,8,18,.10) 0%,rgba(3,8,18,.46) 100%)}
.hero.on-dark{background:#030812}
@media(max-width:760px){
  .hero::after{background:linear-gradient(180deg,rgba(3,8,18,.55) 0%,rgba(3,8,18,.66) 45%,rgba(3,8,18,.82) 100%)}
}
@media(prefers-reduced-motion:reduce){.hero-video{filter:contrast(1.08) saturate(1.05) brightness(.82);transform:none}}

/* ============ A11Y ============ */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:1000;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ============ HEADER LANGUAGE SELECTOR ============ */
.langsel{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:100px;overflow:hidden;margin-right:4px}
.langsel a{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;padding:6px 8px;color:var(--muted);transition:.14s;line-height:1}
.langsel a+a{border-left:1px solid var(--line)}
.langsel a.on{background:var(--ink);color:#fff}
.langsel a:hover{color:var(--brand)}
.langsel a.on:hover{color:#fff}

/* ============ HERO SUB-LINKS ============ */
.hero-sub-links{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px 28px}
.hero-sub-links a{font-family:var(--mono);font-size:.76rem;letter-spacing:.02em;color:var(--muted-inv);display:inline-flex;align-items:center;gap:.5em;border-bottom:1px solid transparent;transition:.16s;padding-bottom:2px}
.hero-sub-links a:hover{color:#fff;border-color:var(--cyan)}
.hero-sub-links a .ar{color:var(--cyan)}

/* ============ INSIGHTS EDITORIAL ============ */
.insights .ins-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.ins-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;background:var(--surface);display:flex;flex-direction:column;gap:12px;transition:.18s;min-height:188px}
.ins-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:0 18px 40px -28px rgba(0,56,136,.5)}
.ins-card.feat{background:var(--ink);border-color:var(--line-dark-2)}
.ins-card.feat h3,.ins-card.feat p{color:var(--text-inv)}
.ins-card .tag{font-family:var(--mono);font-size:.63rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brand)}
.ins-card.feat .tag{color:var(--cyan)}
.ins-card h3{font-size:1.1rem;font-weight:600;line-height:1.28;letter-spacing:-.01em}
.ins-card p{font-size:.89rem;color:var(--muted);line-height:1.5;flex:1}
.ins-card .go{font-family:var(--mono);font-size:.76rem;color:var(--brand);display:inline-flex;gap:.5em;align-items:center}
.ins-card.feat .go{color:var(--cyan)}
@media(max-width:900px){.insights .ins-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.insights .ins-grid{grid-template-columns:1fr}}

/* ============ SCIENCE AUTHORITY CARDS ============ */
.sci-links a{border:1px solid var(--line-dark-2);border-radius:var(--r-lg);padding:18px 20px;background:rgba(255,255,255,.02)}
.sci-links a:hover{border-color:var(--cyan);background:rgba(47,182,207,.07)}

/* ============ DEEP FOOTER COLUMNS ============ */
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:30px 26px;margin-top:6px}
@media(max-width:860px){.foot-cols{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.foot-cols{grid-template-columns:1fr}}

/* ============ MOBILE LANGUAGE SELECTOR ============ */
.mobile-lang{display:flex;gap:8px;padding:20px 0 6px;border-top:1px solid var(--line-dark-2);margin-top:14px}
.mobile-lang .ml-lab{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint-inv);align-self:center;margin-right:4px}
.mobile-lang a{font-family:var(--mono);font-size:.8rem;padding:8px 14px;border:1px solid var(--line-dark);border-radius:100px;color:var(--muted-inv)}
.mobile-lang a.on{background:#fff;color:var(--ink)}

/* ============ BRAND IMAGE BAND ============ */
.brand-band{background:#050d18}
.brand-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:14px;margin-top:32px}
.bf{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-dark-2);margin:0}
.bf img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;display:block;filter:saturate(1.05) contrast(1.04);transition:transform .5s ease}
.bf.tall img{aspect-ratio:3/4}
.bf:hover img{transform:scale(1.035)}
.bf figcaption{position:absolute;left:16px;bottom:14px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:rgba(3,8,18,.5);padding:5px 11px;border-radius:7px;backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.12)}
@media(max-width:760px){.brand-grid{grid-template-columns:1fr}.bf.tall img{aspect-ratio:16/10}}

/* ============ THE CORE — strategic page ============ */
.core-hero-tag{color:var(--cyan)}
.depts{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.depts span{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;color:var(--text);border:1px solid var(--line);background:var(--surface);padding:8px 13px;border-radius:100px}
.on-dark .depts span{color:var(--text-inv);border-color:var(--line-dark-2);background:rgba(255,255,255,.03)}
/* case / proof logo wall */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.case-card{display:flex;flex-direction:column;gap:16px;background:#0b1726;border:1px solid var(--line-dark-2);border-radius:var(--r-lg);padding:26px 24px;transition:.18s;min-height:188px}
.case-card:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 20px 44px -30px rgba(47,182,207,.5)}
.case-logo{height:30px;display:flex;align-items:center}
.case-logo img{height:30px!important;max-height:30px;width:auto;max-width:150px;object-fit:contain;object-position:left center;opacity:.9}
.case-card:hover .case-logo img{opacity:1}
.case-logo .txt-lockup{font-weight:600;font-size:1.18rem;color:#fff;letter-spacing:-.01em}
.case-card .cl{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.case-card p{font-size:.92rem;color:var(--muted-inv);line-height:1.5;flex:1}
.case-card .go{font-family:var(--mono);font-size:.76rem;color:#fff;display:inline-flex;gap:.5em;align-items:center}
.case-card .pend{font-family:var(--mono);font-size:.64rem;color:var(--faint-inv);letter-spacing:.08em}
@media(max-width:900px){.case-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.case-grid{grid-template-columns:1fr}}
/* valuation thesis cards */
.val-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.val-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 26px;background:var(--surface);display:flex;flex-direction:column;gap:14px}
.val-card .vl{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brand)}
.val-card h3{font-size:1.18rem;font-weight:600;letter-spacing:-.01em}
.val-card p{font-size:.95rem;color:var(--muted);line-height:1.58}
@media(max-width:860px){.val-grid{grid-template-columns:1fr}}
/* core numbered editorial list */
.core-points{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:2px;max-width:720px}
.core-points li{display:flex;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.on-dark .core-points li{border-color:var(--line-dark-2)}
.core-points li .pn{font-family:var(--mono);font-size:.78rem;color:var(--brand);min-width:28px}
.core-points li .px{font-size:1rem;color:var(--text)}
.on-dark .core-points li .px{color:var(--text-inv)}