:root {
  --ink:#0a0d0f;
  --paper:#f2efe6;
  --paper2:#e9e5da;
  --white:#fff;
  --muted:#676b68;
  --line:rgba(10,13,15,.15);
  --cyan:#05e4fd;
  --green:#0fe92f;
  --lime:#7aea0f;
  --yellow:#fdd101;
  --dark2:#121719;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit}
.topbar{position:fixed;top:0;left:0;right:0;z-index:100;height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;background:rgba(242,239,230,.84);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;font-size:24px;font-weight:950;letter-spacing:-.055em}
.brand img{width:34px;height:34px;object-fit:contain}
.nav{display:flex;gap:20px;align-items:center;font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.nav a{opacity:.64} .nav a:hover{opacity:1}
.nav .cta{opacity:1;background:var(--ink);color:#fff;padding:10px 13px;border:1px solid var(--ink)}

.hero{padding:124px 4.5vw 58px;border-bottom:1px solid var(--line);min-height:100vh}
.kicker{font:900 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.17em;text-transform:uppercase}
.hero h1{font-size:clamp(70px,9.5vw,158px);line-height:.82;letter-spacing:-.08em;margin:24px 0 28px;max-width:1500px}
.hero h1 em{font-style:normal;background:var(--cyan);padding:0 .05em}
.hero-sub{display:grid;grid-template-columns:minmax(280px,840px) 1fr;gap:6vw;align-items:end}
.hero-sub p{font-size:clamp(19px,2vw,28px);line-height:1.38;color:#41423e;margin:0;max-width:840px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.btn{padding:14px 17px;border:1px solid var(--ink);font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:950;background:#fff}
.btn.dark{background:var(--ink);color:#fff}
.hero-os{margin-top:42px;border:1px solid #111;background:#0d1113;color:#fff;min-height:510px;position:relative;overflow:hidden}
.hero-os:before{content:"";position:absolute;inset:0;background:
radial-gradient(circle at 15% 18%,rgba(5,228,253,.18),transparent 28%),
radial-gradient(circle at 82% 18%,rgba(15,233,47,.12),transparent 24%),
radial-gradient(circle at 76% 82%,rgba(253,209,1,.13),transparent 28%) }
.hero-os-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px}
.os-shell{position:relative;z-index:2;padding:24px}
.os-top{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:15px}
.os-title{display:flex;align-items:center;gap:10px} .os-title img{width:30px;height:30px} .os-title b{font-size:16px} .os-title small{display:block;color:#9ca7a2;font:800 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em;margin-top:4px}
.agent-live{font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.07em;color:#c9d0cc}
.agent-live:before{content:"●";color:var(--green);margin-right:6px}
.os-lanes{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:22px;position:relative}
.lane{min-height:210px;border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.035);padding:14px;position:relative;overflow:hidden}
.lane small{font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em;color:#9fa8a3}
.lane h3{font-size:19px;letter-spacing:-.035em;margin:17px 0 9px}
.lane p{font-size:12px;line-height:1.42;color:#b6bdb9;margin:0}
.task{position:absolute;left:10px;right:10px;bottom:10px;background:#080b0d;border:1px solid rgba(255,255,255,.14);padding:9px 10px}
.task b{display:block;font-size:11px;margin-bottom:4px}
.task span{font:800 7px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.05em;color:#89938e}
.agent-track{height:2px;background:rgba(255,255,255,.13);margin:24px 3px 0;position:relative}
.agent-dot{position:absolute;top:-6px;left:0;width:14px;height:14px;border-radius:50%;background:var(--cyan);box-shadow:0 0 18px rgba(5,228,253,.8);animation:agentMove 9s linear infinite}
@keyframes agentMove{0%{left:0}16%{left:16%}32%{left:33%}49%{left:50%}66%{left:67%}83%{left:84%}100%{left:calc(100% - 14px)}}
.agent-labels{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:9px;color:#8f9994;font:800 8px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.05em}
.hero-os-caption{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-top:18px}
.hero-os-caption b{font-size:clamp(26px,3vw,44px);line-height:.95;letter-spacing:-.045em;max-width:760px}
.hero-os-caption span{font:800 9px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.06em;color:#aab3ae;text-align:right}

.statement-band{padding:43px 4.5vw;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center}
.statement-band .big{font-size:clamp(30px,4vw,58px);font-weight:950;letter-spacing:-.055em;line-height:.95}
.statement-band .arrow{font-size:42px} .statement-band .right{text-align:right}
.highlight{background:var(--yellow);padding:0 .08em}

section.major{padding:105px 4.5vw;border-bottom:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:.72fr 1.28fr;gap:5vw;align-items:end;margin-bottom:55px}
.section-head .label{font:900 11px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em;text-transform:uppercase;color:#666}
.section-head h2{font-size:clamp(48px,6.4vw,98px);line-height:.88;letter-spacing:-.067em;margin:0}
.section-head p{grid-column:2;font-size:20px;line-height:1.5;color:#474843;max-width:850px;margin:8px 0 0}

.os-architecture{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.arch-col{background:var(--paper);padding:30px 24px;min-height:390px;position:relative}
.arch-col.dark{background:var(--ink);color:#fff}
.arch-col small{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.07em;color:#73756f}
.arch-col.dark small{color:#a8b0ac}
.arch-col h3{font-size:34px;line-height:.95;letter-spacing:-.05em;margin:24px 0 20px}
.arch-list{display:grid;gap:9px}
.arch-item{border-top:1px solid var(--line);padding-top:9px;font-size:14px}
.arch-col.dark .arch-item{border-color:rgba(255,255,255,.14)}
.arch-col.em{background:var(--cyan)}
.arch-col.em small{color:#15383d}
.foundation{grid-column:1/-1;background:var(--paper2);padding:0}
.foundation-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line)}
.foundation-item{display:grid;grid-template-columns:58px 1.05fr 1.3fr;gap:18px;align-items:center;background:var(--paper);padding:18px 22px}
.foundation-icon{width:36px;height:36px;border:1px solid var(--ink);display:flex;align-items:center;justify-content:center;font:900 15px/1 Inter,ui-sans-serif,sans-serif;background:#fff}
.foundation-item b{display:block;font-size:15px;letter-spacing:-.02em}
.foundation-item p{margin:0;font-size:13px;line-height:1.4;color:#555650}
.foundation-item small{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.07em;color:#666}
.foundation-item:nth-child(1) .foundation-icon{background:var(--cyan)}
.foundation-item:nth-child(2) .foundation-icon{background:var(--green)}
.foundation-item:nth-child(3) .foundation-icon{background:var(--yellow)}
.foundation-item:nth-child(4) .foundation-icon{background:var(--lime)}
.foundation-item:nth-child(5) .foundation-icon{background:#dfffe7}
.foundation-item:nth-child(6) .foundation-icon{background:#e7fbff}
.foundation-item:nth-child(7) .foundation-icon{background:#fff6cf}

.research-intro{max-width:1100px;margin-bottom:38px}
.research-intro h2{font-size:clamp(50px,7vw,110px);line-height:.87;letter-spacing:-.07em;margin:0 0 22px}
.research-intro p{font-size:20px;line-height:1.5;color:#454640;max-width:900px}
.mode-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.mode-card{position:relative;min-height:350px;border:1px solid var(--ink);background:#111;color:#fff;cursor:pointer;text-align:left;overflow:hidden;padding:0;transition:transform .2s}
.mode-card:hover{transform:translateY(-3px)} .mode-card.active{outline:4px solid var(--cyan);outline-offset:-4px}
.mode-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 28% 25%,rgba(5,228,253,.18),transparent 28%),linear-gradient(145deg,#253038,#101416 72%)}
.mode-card:nth-child(2):before{background:radial-gradient(circle at 72% 22%,rgba(15,233,47,.18),transparent 28%),linear-gradient(145deg,#243026,#101510 72%)}
.mode-card:nth-child(3):before{background:radial-gradient(circle at 26% 72%,rgba(122,234,15,.18),transparent 28%),linear-gradient(145deg,#29301f,#11150f 72%)}
.mode-card:nth-child(4):before{background:radial-gradient(circle at 72% 72%,rgba(253,209,1,.18),transparent 28%),linear-gradient(145deg,#302b19,#15130d 72%)}
.orbit{position:absolute;left:50%;top:38%;width:150px;height:150px;border-radius:50%;border:1px solid rgba(255,255,255,.22);transform:translate(-50%,-50%);z-index:1}
.orbit:before,.orbit:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12)}
.orbit:before{inset:22px} .orbit:after{inset:48px;background:rgba(255,255,255,.05)}
.mode-inner{position:absolute;z-index:3;inset:0;padding:22px;display:flex;flex-direction:column;justify-content:flex-end}
.mode-inner .num{font:900 10px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);margin-bottom:auto}
.mode-card:nth-child(2) .num{color:var(--green)} .mode-card:nth-child(3) .num{color:var(--lime)} .mode-card:nth-child(4) .num{color:var(--yellow)}
.mode-inner h3{font-size:clamp(27px,3vw,44px);line-height:.92;letter-spacing:-.05em;margin:0 0 10px}
.mode-inner p{font-size:14px;line-height:1.42;color:#e2e5e1;margin:0 0 15px}
.mode-inner .open{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.07em;border-top:1px solid rgba(255,255,255,.22);padding-top:12px;display:flex;justify-content:space-between}
.mode-inner .open:after{content:"＋";font-size:18px} .mode-card.active .open:after{content:"−"}
.mode-detail{margin-top:12px;border:1px solid var(--ink);background:#111;color:#fff;display:none;grid-template-columns:.85fr 1.15fr}
.mode-detail.active{display:grid}
.detail-copy{padding:44px 36px;border-right:1px solid rgba(255,255,255,.16)}
.detail-copy small{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.07em;color:var(--cyan)}
.detail-copy h3{font-size:clamp(42px,5vw,76px);line-height:.9;letter-spacing:-.06em;margin:16px 0 20px}
.detail-copy p{font-size:17px;line-height:1.5;color:#bfc5c1}
.detail-promise{margin-top:24px;border:1px solid rgba(255,255,255,.16);padding:15px;background:rgba(255,255,255,.04)}
.detail-promise b{color:var(--cyan)}
.detail-steps{padding:24px}
.dstep{display:grid;grid-template-columns:48px 1fr auto;gap:15px;padding:17px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.dstep:last-child{border-bottom:0}
.dno{width:36px;height:36px;border:1px solid rgba(255,255,255,.34);display:flex;align-items:center;justify-content:center;font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--cyan)}
.dstep h4{font-size:19px;margin:0 0 5px} .dstep p{font-size:12px;line-height:1.45;color:#aab3ae;margin:0}
.out{font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;background:var(--cyan);color:#111;padding:8px 9px;white-space:nowrap}

.intel{background:var(--ink);color:#fff}
.intel .section-head .label{color:#aaa} .intel .section-head p{color:#bfc5c1}
.intel-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:12px}
.query-board,.knowledge-board{border:1px solid rgba(255,255,255,.15);background:#111;padding:18px}
.query-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.qtab{font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;padding:8px 9px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.04);color:#aab3ae}
.qtab.active{background:var(--cyan);color:#111;border-color:var(--cyan)}
.question{background:#080b0d;border:1px solid rgba(255,255,255,.15);padding:15px;font-size:16px;line-height:1.4}
.query-result{margin-top:10px;border:1px solid rgba(255,255,255,.14);padding:14px;background:rgba(255,255,255,.035)}
.query-result small{font:800 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#8f9994}
.query-result b{display:block;font-size:22px;margin:8px 0 5px} .query-result p{font-size:12px;color:#b6bdb9;margin:0}
.source-strip{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px} .src{font:800 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;padding:7px 8px;border:1px solid rgba(255,255,255,.14)}
.kg{position:relative;height:330px;border:1px solid rgba(255,255,255,.12);margin-top:12px;background:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:30px 30px}
.kg-center,.kg-node{position:absolute;padding:8px 9px;border:1px solid rgba(255,255,255,.2);background:#0d1113;font-size:10px;font-weight:850}
.kg-center{left:50%;top:50%;transform:translate(-50%,-50%);background:var(--cyan);color:#111;font-size:12px}
.k1{left:7%;top:13%} .k2{right:7%;top:18%} .k3{left:8%;bottom:15%} .k4{right:8%;bottom:14%} .k5{left:50%;top:8%;transform:translateX(-50%)}
.kline{position:absolute;height:1px;background:rgba(255,255,255,.25);transform-origin:left}
.kl1{left:18%;top:26%;width:34%;transform:rotate(29deg)} .kl2{right:18%;top:29%;width:34%;transform:rotate(151deg)} .kl3{left:19%;bottom:26%;width:34%;transform:rotate(-27deg)} .kl4{right:19%;bottom:25%;width:34%;transform:rotate(207deg)} .kl5{left:50%;top:19%;height:31%;width:1px}
.kg-pulse{position:absolute;left:50%;top:50%;width:80px;height:80px;border-radius:50%;border:1px solid rgba(5,228,253,.55);transform:translate(-50%,-50%);animation:kgpulse 2.3s ease-out infinite}
@keyframes kgpulse{0%{transform:translate(-50%,-50%) scale(.8);opacity:.8}100%{transform:translate(-50%,-50%) scale(2.5);opacity:0}}

.agents-board{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.agent-card{background:var(--paper);padding:22px;min-height:210px}
.agent-card .state{display:inline-block;font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.05em;padding:6px 7px;border:1px solid var(--ink)}
.agent-card.working .state{background:var(--green)} .agent-card.waiting .state{background:var(--yellow)}
.agent-card h3{font-size:23px;line-height:1;letter-spacing:-.04em;margin:23px 0 10px}
.agent-card p{font-size:13px;line-height:1.45;color:#555650;margin:0}
.agent-card .taskline{margin-top:22px;padding-top:11px;border-top:1px solid var(--line);font:800 9px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#6d706c}
.agent-card.working .taskline:after{content:"";display:block;margin-top:8px;height:3px;background:linear-gradient(90deg,var(--green) 55%,#ddd 55%);animation:prog 3s ease-in-out infinite alternate}
@keyframes prog{from{background:linear-gradient(90deg,var(--green) 25%,#ddd 25%)}to{background:linear-gradient(90deg,var(--green) 82%,#ddd 82%)}}

.marketplace{background:#fff}
.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.product{border:1px solid var(--line);background:var(--paper);min-height:240px;padding:22px;display:flex;flex-direction:column;justify-content:space-between}
.product small{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.07em;color:#70716c}
.product h3{font-size:28px;line-height:.95;letter-spacing:-.045em;margin:18px 0 10px}
.product p{font-size:13px;line-height:1.45;color:#5a5b57;margin:0}
.product .launch{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;border-top:1px solid var(--line);padding-top:12px;margin-top:24px;display:flex;justify-content:space-between}
.product .launch:after{content:"↗"}
.product.featured{background:var(--cyan)}

.delivery-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:16px}
.delivery-copy h2{font-size:clamp(50px,6vw,90px);line-height:.88;letter-spacing:-.065em;margin:0 0 20px}
.delivery-copy p{font-size:20px;line-height:1.5;color:#464742}
.delivery-stage{border:1px solid var(--ink);background:#111;color:#fff;padding:18px}
.deliver-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.14)}
.deliver-flow div{background:#111;padding:14px;min-height:120px}
.deliver-flow small{font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#929c97}
.deliver-flow b{display:block;font-size:14px;margin-top:9px}
.client-card{margin-top:12px;border:1px solid rgba(255,255,255,.15);padding:16px;background:rgba(255,255,255,.035)}
.client-head{display:flex;justify-content:space-between;gap:12px;align-items:center} .client-head span{font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#9ca6a1}
.client-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:10px;margin-top:12px}
.dash{height:190px;border:1px solid rgba(255,255,255,.12);background:linear-gradient(180deg,#1f292e,#0d1113);position:relative}
.chartline{position:absolute;left:7%;right:7%;bottom:18%;height:48%;border-top:3px solid var(--cyan);border-radius:50%;transform:rotate(-4deg)}
.chat{display:grid;gap:8px} .bubble{border:1px solid rgba(255,255,255,.12);padding:10px;font-size:11px;color:#c3cac6} .bubble.ai{background:rgba(5,228,253,.08)}

.end{background:var(--ink);color:#fff;padding:110px 4.5vw 55px}
.end h2{font-size:clamp(68px,10vw,155px);line-height:.82;letter-spacing:-.078em;margin:0;max-width:1460px}
.end h2 em{font-style:normal;color:var(--cyan)}
.end p{font-size:23px;line-height:1.45;color:#c4c8c1;max-width:840px;margin:32px 0}
.end-actions{display:flex;gap:10px;flex-wrap:wrap} .end .btn{background:#fff;color:#111} .end .btn.dark{background:var(--cyan);border-color:var(--cyan);color:#111}
.footer{border-top:1px solid rgba(255,255,255,.16);margin-top:95px;padding-top:26px;display:grid;grid-template-columns:1fr 2fr;gap:30px;font-size:10px;line-height:1.5;color:#888} .foot-right{text-align:right}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease} .reveal.in{opacity:1;transform:none}

@media(max-width:1100px){
  .os-lanes{grid-template-columns:repeat(3,1fr)} .agent-labels{grid-template-columns:repeat(3,1fr)}
  .mode-picker{grid-template-columns:1fr 1fr} .agents-board{grid-template-columns:1fr 1fr} .market-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .nav a:not(.cta){display:none} .hero-sub,.section-head,.intel-grid,.delivery-grid{grid-template-columns:1fr} .hero-actions{justify-content:flex-start}
  .section-head p{grid-column:auto} .os-architecture{grid-template-columns:1fr} .mode-detail{grid-template-columns:1fr} .detail-copy{border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}
  .statement-band{grid-template-columns:1fr} .statement-band .arrow{display:none} .statement-band .right{text-align:left}
  .foundation-item{grid-template-columns:52px 1fr}
  .foundation-item p{grid-column:1/-1}
}
@media(max-width:640px){
  .topbar{padding:0 18px} .hero,section.major,.end{padding-left:20px;padding-right:20px} .hero h1{font-size:58px}
  .os-lanes{grid-template-columns:1fr 1fr} .agent-labels{grid-template-columns:1fr 1fr}
  .mode-picker,.agents-board,.market-grid{grid-template-columns:1fr}
  .hero-os-caption{display:block} .hero-os-caption span{display:block;text-align:left;margin-top:12px}
  .dstep{grid-template-columns:44px 1fr} .out{grid-column:2;justify-self:start} .deliver-flow{grid-template-columns:1fr 1fr} .client-grid{grid-template-columns:1fr}
  .footer{grid-template-columns:1fr} .foot-right{text-align:left}
}
@media(prefers-reduced-motion:reduce){.agent-dot,.kg-pulse,.agent-card.working .taskline:after{animation:none}}

/* High-design evidence mode visuals */
.mode-card{isolation:isolate}
.mode-card:before{display:none}
.mode-media{position:absolute;inset:0;z-index:0;overflow:hidden;background:#101416}
.mode-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.72) contrast(1.08) brightness(.68);transform:scale(1.04);transition:transform .7s ease,filter .7s ease}
.mode-card:hover .mode-media video{transform:scale(1.09);filter:saturate(.85) contrast(1.1) brightness(.75)}
.mode-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.18) 36%,rgba(0,0,0,.88) 78%,rgba(0,0,0,.98));z-index:2}
.mode-grain{position:absolute;inset:0;z-index:3;opacity:.1;background-image:radial-gradient(rgba(255,255,255,.6) .55px,transparent .55px);background-size:4px 4px;mix-blend-mode:soft-light}
.mode-inner{z-index:8}
.mode-inner .num{position:relative;z-index:8}
.mode-card .open{position:relative;z-index:8}
.mode-card.active{outline-color:var(--cyan)}
.mode-card:nth-child(2).active{outline-color:var(--green)}
.mode-card:nth-child(3).active{outline-color:var(--lime)}
.mode-card:nth-child(4).active{outline-color:var(--yellow)}

/* Traditional research overlay */
.human-ui{position:absolute;z-index:5;left:16px;right:16px;top:16px;display:flex;justify-content:space-between;gap:8px;pointer-events:none}
.human-ui span{background:rgba(7,10,12,.72);border:1px solid rgba(255,255,255,.22);padding:7px 8px;font:800 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.06em;color:#fff;backdrop-filter:blur(8px)}
.human-ui span:last-child{color:var(--cyan)}

/* AI interview product-overlay visual */
.ai-shell{position:absolute;inset:0;z-index:4;padding:14px;display:grid;grid-template-columns:.9fr 1.1fr;gap:8px;align-items:start;pointer-events:none}
.ai-avatar{margin-top:42px;aspect-ratio:4/5;border:1px solid rgba(255,255,255,.24);background:rgba(9,12,13,.38);backdrop-filter:blur(3px);position:relative;overflow:hidden}
.ai-avatar:after{content:"AI INTERVIEWER";position:absolute;left:8px;bottom:8px;background:var(--green);color:#07100a;padding:5px 6px;font:900 7px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.05em}
.ai-face{position:absolute;left:50%;top:42%;transform:translate(-50%,-50%);width:74px;height:74px;border-radius:50%;border:1px solid rgba(255,255,255,.72);background:radial-gradient(circle at 50% 38%,rgba(255,255,255,.25),rgba(255,255,255,.05) 58%,transparent 60%)}
.ai-face:before{content:"";position:absolute;left:50%;top:77%;transform:translateX(-50%);width:110px;height:70px;border-radius:54% 54% 8% 8%;border:1px solid rgba(255,255,255,.48);border-bottom:0}
.ai-transcript{margin-top:42px;display:grid;gap:7px}
.transcript-line{border:1px solid rgba(255,255,255,.17);background:rgba(7,10,12,.67);padding:8px;color:#fff;font-size:9px;line-height:1.35;backdrop-filter:blur(6px)}
.transcript-line.ai{border-left:3px solid var(--green)}
.transcript-line.user{border-left:3px solid var(--cyan)}
.waveform{height:18px;display:flex;align-items:center;gap:3px;padding:4px 7px;border:1px solid rgba(255,255,255,.16);background:rgba(7,10,12,.6)}
.waveform i{display:block;width:2px;background:var(--green);animation:wave 1s ease-in-out infinite alternate}.waveform i:nth-child(1){height:5px}.waveform i:nth-child(2){height:11px;animation-delay:.1s}.waveform i:nth-child(3){height:15px;animation-delay:.2s}.waveform i:nth-child(4){height:8px;animation-delay:.3s}.waveform i:nth-child(5){height:13px;animation-delay:.4s}.waveform i:nth-child(6){height:6px;animation-delay:.5s}.waveform i:nth-child(7){height:12px;animation-delay:.6s}
@keyframes wave{from{transform:scaleY(.45);opacity:.65}to{transform:scaleY(1.15);opacity:1}}

/* Synthetic cohort animation */
.synthetic-scene{position:absolute;inset:0;z-index:4;overflow:hidden;background:radial-gradient(circle at 35% 20%,rgba(122,234,15,.18),transparent 28%),linear-gradient(145deg,#1a2018,#0d110c 72%)}
.cohort-grid{position:absolute;inset:45px 18px 105px;display:grid;grid-template-columns:repeat(4,1fr);gap:7px;align-content:center}
.persona{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.045);min-height:56px;padding:7px;position:relative;overflow:hidden;animation:cohortPulse 4.2s ease-in-out infinite}
.persona:nth-child(2){animation-delay:.25s}.persona:nth-child(3){animation-delay:.5s}.persona:nth-child(4){animation-delay:.75s}.persona:nth-child(5){animation-delay:1s}.persona:nth-child(6){animation-delay:1.25s}.persona:nth-child(7){animation-delay:1.5s}.persona:nth-child(8){animation-delay:1.75s}
.persona:before{content:"";display:block;width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.55);margin-bottom:7px}
.persona:after{content:"";display:block;width:68%;height:4px;background:rgba(255,255,255,.25);box-shadow:0 8px 0 rgba(255,255,255,.12)}
@keyframes cohortPulse{0%,100%{transform:translateY(0);border-color:rgba(255,255,255,.16)}50%{transform:translateY(-4px);border-color:rgba(122,234,15,.68)}}
.cohort-label{position:absolute;left:16px;top:16px;z-index:5;background:rgba(7,10,12,.74);border:1px solid rgba(255,255,255,.17);padding:7px 8px;font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.06em;color:var(--lime)}
.cohort-meter{position:absolute;left:18px;right:18px;bottom:94px;height:4px;background:rgba(255,255,255,.12);overflow:hidden}.cohort-meter:before{content:"";display:block;height:100%;width:38%;background:var(--lime);animation:fillMeter 4s ease-in-out infinite alternate}
@keyframes fillMeter{from{width:28%}to{width:84%}}

/* Simulation visual */
.sim-scene{position:absolute;inset:0;z-index:4;overflow:hidden;background:radial-gradient(circle at 72% 24%,rgba(253,209,1,.18),transparent 28%),linear-gradient(145deg,#262112,#100e09 72%)}
.sim-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:28px 28px}
.sim-path{position:absolute;left:13%;right:10%;top:34%;height:32%;border:2px dashed rgba(253,209,1,.62);border-left-color:transparent;border-bottom-color:transparent;border-radius:50%;transform:rotate(-8deg)}
.sim-agent{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--yellow);box-shadow:0 0 16px rgba(253,209,1,.72);z-index:5}
.sa1{left:20%;top:55%;animation:simA 7s linear infinite}.sa2{left:46%;top:44%;animation:simB 6s linear infinite}.sa3{left:70%;top:50%;animation:simC 8s linear infinite}
@keyframes simA{0%{left:20%;top:55%}45%{left:51%;top:40%}100%{left:80%;top:54%}}
@keyframes simB{0%{left:46%;top:44%}50%{left:66%;top:38%}100%{left:28%;top:58%}}
@keyframes simC{0%{left:70%;top:50%}50%{left:40%;top:37%}100%{left:18%;top:53%}}
.scenario-pill{position:absolute;z-index:6;top:16px;left:16px;background:rgba(7,10,12,.72);border:1px solid rgba(255,255,255,.16);padding:7px 8px;color:var(--yellow);font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.06em}
.sim-metrics{position:absolute;z-index:6;right:14px;top:16px;display:grid;gap:5px}.sim-metrics div{background:rgba(7,10,12,.72);border:1px solid rgba(255,255,255,.14);padding:6px 8px;color:#fff;font:800 7px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase}
.sim-metrics b{color:var(--yellow)}
@media(prefers-reduced-motion:reduce){.persona,.cohort-meter:before,.waveform i,.sim-agent{animation:none}}


/* v4 — visual-first evidence mode cards */
.mode-picker{align-items:stretch}
.mode-card{
  display:grid;
  grid-template-rows:minmax(250px,1fr) auto;
  min-height:430px;
  background:#0d1113;
  color:#fff;
  overflow:hidden;
}
.mode-media{
  position:relative;
  inset:auto;
  width:100%;
  height:100%;
  min-height:250px;
  overflow:hidden;
  background:#101416;
}
.mode-media:after{
  background:linear-gradient(180deg,rgba(0,0,0,.04),rgba(0,0,0,.12) 70%,rgba(0,0,0,.34));
}
.mode-inner{
  position:relative;
  inset:auto;
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-areas:
    "num open"
    "title open"
    "desc open";
  gap:4px 14px;
  align-items:center;
  padding:17px 18px 18px;
  min-height:132px;
  background:#0c1012;
  border-top:1px solid rgba(255,255,255,.14);
}
.mode-inner .num{grid-area:num;margin:0;font-size:8px}
.mode-inner h3{grid-area:title;margin:4px 0 0;font-size:25px;line-height:.98}
.mode-inner p{grid-area:desc;margin:4px 0 0;font-size:12px;line-height:1.35;color:#bfc6c2;max-width:250px}
.mode-inner .open{
  grid-area:open;
  align-self:center;
  border:1px solid rgba(255,255,255,.18);
  padding:10px 11px;
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0;
}
.mode-inner .open:before{content:"Open";display:none}
.mode-inner .open:after{font-size:18px}
.mode-card:hover{transform:translateY(-3px)}
.mode-card:hover .mode-media video{transform:scale(1.075)}
.human-ui{top:14px;left:14px;right:auto}
.human-ui span:first-child{display:none}
.human-ui span:last-child{background:rgba(7,10,12,.72)}
.ai-shell{padding:12px}
.ai-avatar,.ai-transcript{margin-top:36px}
.cohort-grid{inset:42px 18px 42px}
.cohort-meter{bottom:18px}
.sim-metrics{top:14px;right:14px}
@media(max-width:640px){
  .mode-card{min-height:390px;grid-template-rows:minmax(230px,1fr) auto}
  .mode-inner{min-height:124px}
}


/* v4 — research memory visual instead of literal graph */
.memory-flow{
  margin-top:12px;
  min-height:360px;
  display:grid;
  grid-template-columns:.9fr 44px 1fr 44px 1.05fr;
  gap:8px;
  align-items:stretch;
}
.memory-col{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.035);
  padding:12px;
  min-width:0;
}
.memory-col>small{
  display:block;
  font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;
  text-transform:uppercase;
  letter-spacing:.07em;
  color:#96a09b;
  margin-bottom:10px;
}
.study-stack,.concept-stack{display:grid;gap:8px}
.study-tile{
  border:1px solid rgba(255,255,255,.14);
  background:#0c1012;
  padding:10px;
  position:relative;
  overflow:hidden;
}
.study-tile:before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cyan);
}
.study-tile:nth-child(2):before{background:var(--green)}
.study-tile:nth-child(3):before{background:var(--yellow)}
.study-tile b{display:block;font-size:12px}
.study-tile span{display:block;margin-top:4px;font-size:9px;color:#9ca6a1}
.flow-arrow{
  display:flex;align-items:center;justify-content:center;
  color:#7f8a85;font-size:22px;position:relative;
}
.flow-arrow:before{
  content:"";
  position:absolute;left:4px;right:4px;height:1px;background:rgba(255,255,255,.18);
}
.flow-arrow span{position:relative;background:#111;padding:3px;color:var(--cyan);animation:arrowPulse 2.2s ease-in-out infinite}
@keyframes arrowPulse{0%,100%{transform:translateX(-2px);opacity:.55}50%{transform:translateX(4px);opacity:1}}
.memory-corebox{
  border:1px solid rgba(5,228,253,.35);
  background:linear-gradient(180deg,rgba(5,228,253,.08),rgba(255,255,255,.025));
  padding:12px;
}
.memory-corebox b{display:block;font-size:14px;margin-bottom:5px}
.memory-corebox p{font-size:10px;line-height:1.4;color:#aeb8b3;margin:0}
.concept-stack{margin-top:10px}
.concept{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border:1px solid rgba(255,255,255,.12);
  padding:8px 9px;background:#0c1012;
  animation:conceptIn 4.8s ease-in-out infinite;
}
.concept:nth-child(2){animation-delay:.45s}.concept:nth-child(3){animation-delay:.9s}.concept:nth-child(4){animation-delay:1.35s}
.concept b{font-size:10px}.concept span{font:800 7px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#7f8a85}
@keyframes conceptIn{0%,100%{border-color:rgba(255,255,255,.12);transform:translateX(0)}50%{border-color:rgba(5,228,253,.55);transform:translateX(3px)}}
.answer-box{
  border:1px solid rgba(255,255,255,.14);
  background:#090c0e;
  padding:12px;
}
.answer-box .ask{
  font-size:12px;line-height:1.4;font-weight:700;
  padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12);
}
.answer-box .answer-copy{margin-top:10px;font-size:10px;line-height:1.45;color:#bac3be}
.answer-box .answer-copy b{color:#fff;font-size:12px}
.answer-sources{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}
.answer-sources span{
  padding:6px 7px;border:1px solid rgba(255,255,255,.12);
  font:800 7px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#a9b2ad;
}
.compound-count{
  margin-top:10px;padding:9px 10px;border:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:10px;align-items:center;
}
.compound-count small{font:800 7px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#8f9994}
.compound-count b{font-size:16px;color:var(--cyan)}
@media(max-width:900px){
  .memory-flow{grid-template-columns:1fr}
  .flow-arrow{height:30px;transform:rotate(90deg)}
}
@media(prefers-reduced-motion:reduce){.flow-arrow span,.concept{animation:none}}



/* Multi-page additions */
.page-hero{padding:130px 4.5vw 70px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(62px,8vw,132px);line-height:.84;letter-spacing:-.075em;margin:22px 0 26px;max-width:1350px}
.page-hero p{font-size:clamp(19px,2vw,26px);line-height:1.45;color:#454640;max-width:850px;margin:0}
.page-section{padding:95px 4.5vw;border-bottom:1px solid var(--line)}
.leadership-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.profile-card{border:1px solid var(--line);background:#fff;display:grid;grid-template-columns:190px 1fr;min-height:390px}
.profile-visual{background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.profile-visual:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 28% 25%,rgba(5,228,253,.18),transparent 30%),radial-gradient(circle at 72% 78%,rgba(253,209,1,.12),transparent 30%)}
.profile-initials{position:relative;font-size:72px;font-weight:950;letter-spacing:-.08em}
.profile-copy{padding:30px}.profile-copy .role{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em;color:#70716c}
.profile-copy h2{font-size:38px;line-height:.95;letter-spacing:-.05em;margin:12px 0 18px}.profile-copy p{font-size:15px;line-height:1.55;color:#555650;margin:0}
.about-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.principle{background:var(--paper);padding:28px 24px;min-height:220px}.principle small{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.07em;color:#70716c}.principle h3{font-size:26px;line-height:1;letter-spacing:-.04em;margin:24px 0 10px}.principle p{font-size:14px;line-height:1.5;color:#555650;margin:0}
.contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px}.contact-card{border:1px solid var(--line);background:#fff;padding:28px}.contact-card h2{font-size:38px;line-height:1;letter-spacing:-.045em;margin:0 0 16px}.contact-card p{font-size:16px;line-height:1.5;color:#555650}.contact-card a.email{display:inline-block;margin-top:10px;font-size:22px;font-weight:900;letter-spacing:-.03em;border-bottom:2px solid var(--ink)}
.contact-form{border:1px solid var(--ink);background:var(--ink);color:#fff;padding:28px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.07em;color:#a9b2ad}.field input,.field textarea{width:100%;border:1px solid rgba(255,255,255,.18);background:#111719;color:#fff;padding:13px 14px;font:inherit;outline:none}.field textarea{min-height:160px;resize:vertical}.field input:focus,.field textarea:focus{border-color:var(--cyan)}.contact-form button{margin-top:14px;cursor:pointer}.form-note{font-size:11px;line-height:1.45;color:#939d98;margin-top:12px}.contact-success{margin-top:12px;font-size:12px;color:var(--green);min-height:18px}
/* Clear delivery visual */
.delivery-stage-v2{border:1px solid var(--ink);background:#111;color:#fff;padding:18px}
.delivery-map{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14)}
.delivery-step{background:#111;padding:14px;min-height:132px;position:relative}.delivery-step small{font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.06em;color:#939d98}.delivery-step b{display:block;font-size:14px;line-height:1.2;margin:12px 0 7px}.delivery-step p{font-size:10px;line-height:1.35;color:#b8c0bc;margin:0}.delivery-step:after{content:"→";position:absolute;right:-9px;top:50%;transform:translateY(-50%);z-index:3;color:var(--cyan);font-weight:900}.delivery-step:last-child:after{display:none}
.delivery-example{margin-top:12px;border:1px solid rgba(255,255,255,.15);padding:14px;background:rgba(255,255,255,.035)}.delivery-example-head{display:flex;justify-content:space-between;gap:12px;align-items:center;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12)}.delivery-example-head span{font:900 8px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#9ca6a1}.delivery-example-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:10px;margin-top:12px}.output-stack{display:grid;gap:7px}.output-item{border:1px solid rgba(255,255,255,.13);padding:10px;background:#0d1113}.output-item small{display:block;font:800 7px/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:#8f9994}.output-item b{display:block;font-size:12px;margin-top:6px}.client-live{border:1px solid rgba(255,255,255,.13);padding:11px;background:#0d1113}.client-live .question{font-size:11px;padding:9px;background:#080b0d}.client-live .answer{font-size:10px;line-height:1.4;color:#c2cac6;margin-top:8px}.client-live .action{margin-top:9px;padding-top:8px;border-top:1px solid rgba(255,255,255,.1);font:800 7px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:var(--cyan)}
@media(max-width:900px){.leadership-grid,.contact-layout{grid-template-columns:1fr}.profile-card{grid-template-columns:150px 1fr}.about-principles{grid-template-columns:1fr}.delivery-map{grid-template-columns:1fr 1fr}.delivery-step:after{display:none}.delivery-example-grid{grid-template-columns:1fr}}
@media(max-width:640px){.page-hero,.page-section{padding-left:20px;padding-right:20px}.profile-card{grid-template-columns:1fr}.profile-visual{min-height:180px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.delivery-map{grid-template-columns:1fr}}

/* v2 visual QA: balanced typography + collision prevention */
html,body{max-width:100%;overflow-x:hidden}
img,video,svg{max-width:100%}
.kicker{
  line-height:1.35 !important;
  letter-spacing:.145em;
  max-width:760px;
}
.hero .kicker{margin-bottom:18px}
.hero h1{
  font-size:clamp(40px,4.45vw,70px) !important;
  line-height:.91 !important;
  letter-spacing:-.067em !important;
  margin:0 0 28px !important;
  max-width:1320px !important;
  overflow-wrap:normal;
}
.hero-sub p{font-size:clamp(18px,1.65vw,24px) !important;line-height:1.48 !important}
.section-head h2{
  font-size:clamp(34px,3vw,46px) !important;
  line-height:.96 !important;
  letter-spacing:-.055em !important;
}
.section-head p{font-size:18px !important;line-height:1.52 !important}
.research-intro h2{
  font-size:clamp(34px,3.3vw,50px) !important;
  line-height:.94 !important;
  letter-spacing:-.057em !important;
}
.detail-copy h3{
  font-size:clamp(28px,2.5vw,36px) !important;
  line-height:.96 !important;
}
.delivery-copy h2{
  font-size:clamp(34px,2.9vw,44px) !important;
  line-height:.95 !important;
}
.page-hero h1{
  font-size:clamp(38px,3.9vw,58px) !important;
  line-height:.93 !important;
  letter-spacing:-.06em !important;
}
.end h2{
  font-size:clamp(38px,4.3vw,64px) !important;
  line-height:.9 !important;
  letter-spacing:-.065em !important;
}
.end p{font-size:20px !important}
.statement-band .big{font-size:clamp(22px,2vw,29px) !important;line-height:1.02 !important}

/* New supplied PL mark */
.brand{gap:10px}
.brand img{
  width:56px !important;
  height:34px !important;
  object-fit:contain !important;
  background:#000;
  border-radius:3px;
  flex:0 0 auto;
}
.os-title img{
  width:46px !important;
  height:29px !important;
  object-fit:contain !important;
  background:#000;
  border-radius:3px;
}

/* Prevent hero OS and card copy from colliding */
.lane{min-height:232px !important;padding-bottom:84px !important}
.lane h3{line-height:1.08}
.lane p{line-height:1.45}
.os-top,.hero-os-caption,.section-head,.delivery-grid,.client-grid{min-width:0}
.os-title>div,.hero-os-caption>*,
.section-head>*,.delivery-grid>*,.client-grid>*{min-width:0}
.hero-os-caption b{font-size:clamp(24px,2.5vw,36px) !important;line-height:1.02 !important}
.mode-inner h3{font-size:clamp(21px,1.7vw,26px) !important;line-height:1.02 !important}
.mode-inner p{font-size:12px !important}

/* Keep long nav from colliding with brand */
.nav{gap:14px !important;font-size:10px !important;white-space:nowrap}
.topbar{gap:20px}

/* More breathing room between section labels and titles */
.section-head .label{line-height:1.35}
.page-hero .kicker{margin-bottom:18px}

/* Leadership/card typography */
.profile-copy h2{font-size:34px !important;line-height:1.02 !important}
.contact-card h2{font-size:34px !important}

/* Tablet: simplify navigation before it can collide */
@media(max-width:1180px){
  .nav a:not(.cta){display:none}
}
@media(max-width:900px){
  .hero{padding-top:108px !important}
  .hero h1{font-size:clamp(36px,5.5vw,46px) !important}
  .section-head h2{font-size:clamp(32px,4.6vw,40px) !important}
  .page-hero h1{font-size:clamp(36px,5.5vw,44px) !important}
  .end h2{font-size:clamp(36px,5.5vw,46px) !important}
  .hero-os-caption{align-items:flex-start}
}
@media(max-width:640px){
  .topbar{height:62px}
  .brand{font-size:21px}
  .brand img{width:49px !important;height:30px !important}
  .hero{padding-top:96px !important}
  .hero h1{
    font-size:36px !important;
    line-height:.96 !important;
    letter-spacing:-.055em !important;
    margin-bottom:22px !important;
  }
  .hero-sub p{font-size:17px !important}
  .section-head h2,.research-intro h2,.delivery-copy h2{font-size:34px !important;line-height:.98 !important}
  .detail-copy h3{font-size:28px !important}
  .page-hero h1{font-size:36px !important;line-height:.97 !important}
  .end h2{font-size:36px !important;line-height:.94 !important}
  .statement-band .big{font-size:24px !important}
  .hero-os-caption b{font-size:25px !important}
  .kicker{font-size:9px !important;line-height:1.45 !important}
  section.major,.page-section{padding-top:76px !important;padding-bottom:76px !important}
}

/* Contact form submission states */
.contact-success.error{color:var(--yellow)}
.contact-form button:disabled{opacity:.6;cursor:wait}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

/* Mobile menu: shown at the widths where the header hides its links */
.menu-toggle{display:none;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--ink);background:transparent;color:inherit;letter-spacing:inherit;text-transform:inherit;cursor:pointer}
.menu-icon{position:relative;width:14px;height:8px;flex:0 0 auto}
.menu-icon:before,.menu-icon:after{content:"";position:absolute;left:0;right:0;height:2px;background:currentColor;transition:transform .25s ease,top .25s ease}
.menu-icon:before{top:0}.menu-icon:after{top:6px}
.menu-open .menu-icon:before{top:3px;transform:rotate(45deg)}
.menu-open .menu-icon:after{top:3px;transform:rotate(-45deg)}
.mobile-nav{position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(10,13,15,.08);padding:4px 30px 18px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s}
.menu-open .mobile-nav{opacity:1;visibility:visible;transform:none;transition:opacity .2s ease,transform .2s ease}
.mobile-nav a{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);font-size:22px;font-weight:900;letter-spacing:-.045em}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a:after{content:"→";margin-left:auto;font-size:18px;opacity:.5}
.mobile-nav a:hover:after{opacity:1}
.mobile-nav small{width:20px;font:900 9px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;color:#70716c}
@media(max-width:1180px){.menu-toggle{display:inline-flex}}
@media(min-width:1181px){.mobile-nav{display:none}}
@media(max-width:640px){
  .mobile-nav{padding-left:18px;padding-right:18px}
  .mobile-nav a{font-size:20px;padding:13px 0}
  /* phones: icon-only toggle (label stays for screen readers) and tighter spacing so brand, CTA and toggle fit */
  .topbar{gap:10px}
  .nav{gap:8px !important}
  .nav .cta{padding:10px 11px}
  .menu-toggle{position:relative;justify-content:center;width:34px;height:34px;padding:0}
  .menu-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
}
@media(max-width:360px){.brand{font-size:19px;gap:8px}.brand img{width:42px !important;height:26px !important}}
@media(max-width:339px){.nav .cta{display:none}}
@media(prefers-reduced-motion:reduce){.mobile-nav,.menu-icon:before,.menu-icon:after{transition:none}}

/* Sign in / Sign up: outlined button beside Contact Us; lives in the menu panel on phones */
.nav a.signin{opacity:1;padding:10px 13px;border:1px solid var(--ink);transition:background .15s ease}
.nav a.signin:hover{background:#fff}
@media(max-width:1180px){.nav a.signin{display:inline-block}}
@media(max-width:640px){.nav a.signin{display:none}}
.mobile-nav a.menu-signin{justify-content:center;margin-top:16px;padding:15px 17px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.mobile-nav a.menu-signin:after{content:"↗";margin-left:8px;font-size:13px;opacity:1}