/* Qubit homepage - editorial zinc grid, light theme */
:root{
 --canvas:#f4f4f5;--card:#fff;--subtle:#fafafa;--dark:#18181b;--dark-2:#27272a;
 --ink:#09090b;--text:#18181b;--muted:#52525b;--muted-2:#71717a;--line:#ececee;--accent:#ff5a00;
 --r-card:36px;--r-btn:14px;--r-tag:12px;--wrap:1200px;--gut:24px;
 --font:'DM Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{font:400 15px/1.45 var(--font);background:var(--canvas);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:inherit}
.cta :focus-visible{outline-color:var(--accent)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.muted{color:var(--muted-2)}
h1,h2,h3,h4{color:var(--ink);font-weight:600}
h1{font-size:clamp(36px,6vw,64px);line-height:1.12;letter-spacing:-.025em;max-width:16ch}
h2{font-size:clamp(28px,4vw,40px);line-height:1.15;letter-spacing:-.02em}
h3{font-size:20px;line-height:1.25;letter-spacing:-.01em}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:var(--r-btn);font-weight:500;font-size:15px;line-height:1.2;white-space:nowrap;transition:transform .15s,background .15s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ink);color:#fff;box-shadow:inset 0 .5px 0 rgba(255,255,255,.5),inset 0 9px 14px -5px rgba(117,123,133,.4),0 0 0 1.5px #2c2e34,0 4px 6px rgba(0,0,0,.14)}
.btn-neutral{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn-neutral:hover{background:var(--subtle)}
.btn-light{background:#fff;color:var(--ink)}

.nav{position:sticky;top:0;z-index:50;background:rgba(244,244,245,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-row{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:18px;color:var(--ink)}
.brand svg{width:32px;height:32px}
.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a:not(.btn){padding:8px 14px;border-radius:var(--r-btn);color:var(--muted);font-weight:500}
.nav-links a:not(.btn):hover{color:var(--ink);background:var(--card)}
.nav-cta{border-radius:999px;padding:10px 18px}
.nav-cta-m,.menu-btn{display:none}
.menu-btn{margin-left:auto;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:var(--card);align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px}

.eyebrow{font-size:13px;color:var(--muted-2);margin-bottom:16px;font-weight:500}
.sub{margin-top:20px;font-size:18px;line-height:1.45;color:var(--muted);max-width:56ch}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;align-items:center}

.section{padding-top:80px}
.sec-head{display:flex;flex-direction:column;gap:8px;margin-bottom:32px}
.sec-head p{color:var(--muted);font-size:15px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{border:1px solid var(--line);border-radius:var(--r-tag);padding:4px 8px;font-size:12.5px;color:var(--muted);line-height:1.3;background:transparent}
.badge{background:var(--accent);color:#fff;border-radius:var(--r-tag);padding:3px 8px;font-size:12px;font-weight:600;line-height:1.3}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.domain{display:flex;flex-direction:column;gap:12px;transition:border-color .15s}
.domain:hover{border-color:#d4d4d8}
.domain p{color:var(--muted);flex:1}
.ico{width:48px;height:48px;border-radius:var(--r-btn);background:var(--subtle);border:1px solid var(--line);display:grid;place-items:center;color:var(--ink)}
.ico svg{width:24px;height:24px}

.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.pill{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-weight:500;font-size:14px;color:var(--muted)}
.pill:hover{color:var(--ink)}
.pill.is-on{background:var(--ink);color:#fff;border-color:var(--ink)}
.projects{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.project{grid-column:span 2;padding:12px;display:flex;flex-direction:column}
.project--feature{grid-column:span 3}
.project[hidden]{display:none}
.projects.is-filtered .project{grid-column:span 2}
.projects.is-filtered.two .project{grid-column:span 3}
.shot{border-radius:24px;overflow:hidden;background:var(--subtle) repeating-linear-gradient(45deg,transparent 0 12px,rgba(24,24,27,.03) 12px 24px);aspect-ratio:8/5;border:1px solid var(--line)}
.shot img{width:100%;height:100%;object-fit:cover;object-position:top}
.shot.no-img img{visibility:hidden}
.project-body{padding:20px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.project-head{display:flex;align-items:center;gap:8px}
.tagline{color:var(--ink);font-weight:500}
.desc{color:var(--muted)}
.project .tags{margin:8px 0 12px}
.link{margin-top:auto;font-weight:500;color:var(--ink);display:inline-flex;gap:4px}
.link:hover{text-decoration:underline;text-underline-offset:3px}
.link--soon{color:var(--muted-2);font-weight:400}
.link--soon:hover{text-decoration:none}

.svc-list{padding:8px 28px}
.svc-list li+li{border-top:1px solid var(--line)}
.svc-list a{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0}
.svc-list b{display:block;font-weight:600;color:var(--ink);font-size:16px}
.svc-list small{color:var(--muted-2);font-size:13px}
.svc-list .arr{color:var(--muted-2);transition:transform .15s}
.svc-list a:hover .arr{transform:translateX(4px);color:var(--ink)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.member{display:flex;flex-direction:column;gap:4px}
.avatar{width:80px;height:80px;border-radius:24px;background:var(--subtle);border:1px solid var(--line);display:grid;place-items:center;overflow:hidden;margin-bottom:16px;font-weight:600;font-size:24px;color:var(--ink);letter-spacing:.02em}
.avatar img{width:100%;height:100%;object-fit:cover}
.role{color:var(--ink);font-weight:500}

.cta{background:var(--dark);color:#fff;border-radius:var(--r-card);padding:56px 40px;border:1px solid var(--dark-2)}
.cta h2{color:#fff}
.cta p{color:#d4d4d8;margin-top:12px;font-size:16px}
.cta .mail{color:#fff;font-weight:500;padding:12px 16px;border:1px solid #3f3f46;border-radius:var(--r-btn)}
.cta .mail:hover{background:var(--dark-2)}

.footer{margin-top:80px;border-top:1px solid var(--line);background:var(--subtle);padding-top:48px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr 1fr;gap:32px}
.foot-grid h4{font-size:13px;color:var(--muted-2);font-weight:500;margin-bottom:12px}
.foot-grid a:not(.brand){display:block;padding:4px 0;color:var(--text)}
.foot-grid a:not(.brand):hover{color:var(--ink);text-decoration:underline}
.foot-grid .muted{margin-top:12px;max-width:28ch}
.copy{padding-top:32px;padding-bottom:32px;color:var(--muted-2);font-size:13px}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

@media (max-width:1000px){
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .projects .project,.projects.is-filtered .project{grid-column:span 3!important}
 .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
 :root{--gut:16px}
 .nav-cta{display:none}
 .menu-btn{display:inline-flex}
 .nav-links{display:none;position:absolute;left:0;right:0;top:68px;margin:0;flex-direction:column;background:var(--canvas);border-bottom:1px solid var(--line);padding:12px 16px 20px}
 .nav-links.open{display:flex}
 .nav-links a:not(.btn){padding:14px 12px}
 .nav-cta-m{display:inline-flex;margin-top:8px}
 .sub{font-size:16px}
 .section{padding-top:64px}
 .grid-4,.grid-3{grid-template-columns:1fr}
 .projects{grid-template-columns:1fr}
 .projects .project,.projects.is-filtered .project{grid-column:auto!important}
 .card{padding:24px}
 .project{padding:10px}
 .cta{padding:40px 24px}
 .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
 .foot-grid>div:first-child{grid-column:1/-1}
 .svc-list{padding:4px 20px}
}

/* domain pictures */
.pic{height:128px;border-radius:24px;background:var(--subtle);border:1px solid var(--line);padding:12px;overflow:hidden;font-size:11px;line-height:1.3;color:var(--muted);position:relative}
.pic-chat{display:flex;flex-direction:column;gap:5px}
.pic-chat .b{max-width:82%;padding:5px 9px;border-radius:12px}
.pic-chat .me{align-self:flex-end;background:var(--card);border:1px solid var(--line);color:var(--text)}
.pic-chat .bot{align-self:flex-start;background:var(--dark);color:#fff}
.pic-chat .ok{align-self:flex-start;display:inline-flex;align-items:center;gap:5px;font-weight:600;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:var(--r-tag);padding:2px 8px}
.pic-chat .ok i{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.pic-bars{display:flex;flex-direction:column;gap:7px;justify-content:center}
.pic-bars .row{display:grid;grid-template-columns:62px 1fr;gap:8px;align-items:center}
.pic-bars .tr{height:8px;border-radius:8px;background:#e4e4e7;overflow:hidden}
.pic-bars .tr i{display:block;height:100%;border-radius:8px;background:var(--dark-2)}
.pic-bars .tot{display:flex;justify-content:space-between;color:var(--ink);margin-top:2px}
.pic-bars .tot b{font-weight:600}
.pic-grid{display:grid;place-items:center}
.pic-grid .g{display:grid;grid-template-columns:28px repeat(4,1fr);gap:4px;width:100%;max-width:190px;align-items:center}
.pic-grid em{font-style:normal;font-size:10px;color:var(--muted-2);text-align:center}
.pic-grid u{height:20px;border-radius:6px;display:block;text-decoration:none}
.l0{background:#f4f4f5}.l1{background:#d4d4d8}.l2{background:#71717a}.l3{background:var(--dark)}
.pic-plan{display:grid;place-items:center;perspective:500px;color:var(--dark-2)}
.pic-plan svg{width:150px;height:auto;transition:transform 1.2s cubic-bezier(.2,.7,.2,1) .3s;transform-origin:center}
.pic-plan svg path:first-of-type,.pic-plan svg rect{fill:#fff}
.pic-plan.iso svg,.domain:hover .pic-plan svg{transform:rotateX(58deg) rotateZ(-38deg) scale(.9)}
@media (prefers-reduced-motion:reduce){.pic-plan svg{transition:none}}
.domain .ico{width:40px;height:40px;margin-top:4px}.domain .ico svg{width:20px;height:20px}

/* v2 polish */
.shot{position:relative}
.shot img.alt{position:absolute;inset:0;opacity:0;transition:opacity .35s ease}
.project:hover .shot img.alt,.project:focus-within .shot img.alt{opacity:1}
 -webkit-mask-image:linear-gradient(to right,transparent 0,#000 12%,#000 88%,transparent 100%);mask-image:linear-gradient(to right,transparent 0,#000 12%,#000 88%,transparent 100%)}
.cta .actions{gap:12px}
.brand img{width:28px;height:28px}
.brand span{font-weight:700;letter-spacing:-.03em}

/* GSAP motion (class set by js/motion.js only when GSAP is available) */
.nav-progress{display:none;position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);transform-origin:0 50%;transform:scaleX(0);pointer-events:none}
.js-motion .nav-progress{display:block}
.js-motion .domain:hover .pic-plan svg{transform:none}
.js-motion .pic-plan.iso:hover svg,.js-motion .pic-plan.iso svg{transform:rotateX(58deg) rotateZ(-38deg) scale(.9)}


/* ===== HERO (v5): "one team, four domains" scroll story =====
   Default = static layout (no JS, reduced motion, no WebGL, failed module).
   html.h3d (set by an inline head script when WebGL + motion are available) switches to the pinned 3D story. */
:root{--nav-h:69px}
.hero{position:relative;isolation:isolate;overflow:clip}
.hero-pin{position:relative;padding:84px 0 72px}
.hero-bg{position:absolute;inset:0;z-index:-1;pointer-events:none;
 background:radial-gradient(ellipse 55% 60% at 72% 45%,#fff 0,rgba(255,255,255,0) 70%),radial-gradient(circle,#d4d4d8 1px,transparent 1.3px) 0 0/26px 26px;
 -webkit-mask-image:radial-gradient(ellipse 80% 90% at 62% 45%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 80% 90% at 62% 45%,#000 20%,transparent 75%)}
.hero-canvas,.hero-rail,.hint{display:none}
.hero-inner{position:relative;z-index:2}
.hero-copy{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);grid-template-areas:"head q" "intro q" "stages stages";column-gap:40px;row-gap:0;align-items:start}
.hero-head{grid-area:head}
.hero-panels{display:contents}
.hero-intro{grid-area:intro}
.hero-q{grid-area:q;grid-row:1/3;align-self:center;justify-self:end;width:min(100%,300px)}
.hero-q svg{display:block;width:100%;height:auto}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 12px 6px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.7);margin-bottom:22px;font-size:13px}
.eyebrow .dot{position:relative;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.eyebrow .dot::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--accent);animation:ping-dot 2.4s ease-out infinite}
@keyframes ping-dot{0%{transform:scale(1);opacity:.5}80%,100%{transform:scale(3.2);opacity:0}}
.hero h1{font-size:clamp(38px,5.4vw,78px);line-height:1.04;letter-spacing:-.04em;font-weight:650;max-width:9em;text-wrap:balance}
.w{display:inline-block;overflow:hidden;vertical-align:top;padding:.06em 0 .16em;margin:-.06em 0 -.16em}
.wi{display:inline-block;will-change:transform}
.dotacc{color:var(--accent);display:inline-block}
.hero .sub{margin-top:26px;font-size:19px;max-width:44ch}
.hero .actions{margin-top:30px}
.hero .btn{padding:14px 20px;font-size:16px}
/* panels: static = a row of cards */
.stages{grid-area:stages;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:56px}
.stage .st-link{padding:10px 14px;font-size:14px}
.stages .stage{display:flex;flex-direction:column;align-items:flex-start;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px}
.st-ico{width:30px;height:30px;color:var(--ink);padding:6px;box-sizing:content-box;border-radius:12px;background:var(--subtle);border:1px solid var(--line)}
.st-head .num{display:none}
.st-t{font-size:24px;letter-spacing:-.02em}
.st-p{color:var(--muted);font-size:15px;flex:1}
.stages .st-link{margin-top:6px}
@media (max-width:1100px){.stages{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:760px){.stages{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){
 .hero-pin{padding:40px 0 40px}
 .hero-copy{grid-template-columns:1fr;grid-template-areas:"q" "head" "intro" "stages";}
 .hero-q{grid-row:auto;justify-self:start;width:120px;margin-bottom:24px}
 .stages{margin-top:36px}
}
@media (max-width:600px){.stages{grid-template-columns:1fr}}
@media (max-width:480px){.hero .sub{font-size:16px}.hero .actions .btn{flex:1 1 auto}}
@media (prefers-reduced-motion:reduce){.eyebrow .dot::after{animation:none}}

/* ---- pinned 3D story ---- */
.h3d .hero{--pin-h:calc(100vh - var(--nav-h));--sl:480vh;height:calc(var(--pin-h) + var(--sl))}
@supports (height:100svh){.h3d .hero{--pin-h:calc(100svh - var(--nav-h))}}
.h3d .hero-pin{position:sticky;top:var(--nav-h);height:var(--pin-h);padding:0;overflow:hidden}
.h3d .hero-canvas{display:block;position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.h3d .hero-q{display:none}
.h3d .hero-inner{position:absolute;inset:0;z-index:2;pointer-events:none;display:flex}
.h3d .hero-copy{display:flex;flex-direction:column;justify-content:center;width:100%;max-width:640px;margin-left:0;padding-right:40px}
.h3d .hero-panels{display:grid;position:relative;margin-top:26px}
.h3d .hero-panels>*,.h3d .stages>.stage{grid-area:1/1}
.h3d .hero .sub{margin-top:0}
.h3d .stage{opacity:0;visibility:hidden;transform:translateY(26px);pointer-events:none;
 transition:opacity .35s ease,transform .6s cubic-bezier(.2,.8,.2,1),visibility 0s linear .6s}
.h3d .stage.is-past{transform:translateY(-22px)}
.h3d .stage.is-active{opacity:1;visibility:visible;transform:none;pointer-events:auto;transition:opacity .5s ease .12s,transform .7s cubic-bezier(.2,.8,.2,1) .12s,visibility 0s}
.h3d .stages{display:grid;margin:0;gap:0;grid-template-columns:none}
.h3d .stages .stage{display:block;align-self:start;background:none;border:0;border-radius:0;padding:0}
.h3d .st-ico{display:none}
.h3d .st-head{display:flex;align-items:baseline;gap:18px}
.h3d .st-head .num{display:block;font-size:clamp(46px,5.2vw,74px);font-weight:700;line-height:1;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1.5px #b4b4bb}
.h3d .st-t{font-size:clamp(36px,4.4vw,62px);line-height:1.04;letter-spacing:-.04em;font-weight:650}
.h3d .st-p{margin-top:14px;font-size:19px;color:var(--muted);max-width:40ch;flex:none}
.h3d .stages .st-link{margin-top:22px;padding:13px 18px;font-size:15px}
.h3d .hint{display:flex;align-items:center;gap:12px;margin-top:34px;font-size:13px;font-weight:500;color:var(--muted-2);letter-spacing:.02em}
.hint-line{position:relative;width:1px;height:34px;background:var(--line);overflow:hidden}
.hint-line::after{content:"";position:absolute;left:0;top:-50%;width:1px;height:50%;background:var(--accent);animation:hint 1.8s cubic-bezier(.6,0,.3,1) infinite}
@keyframes hint{to{top:110%}}
.h3d .hero-intro{align-self:start}
.h3d .hero-intro .hint{transition:opacity .3s}
/* rail */
.h3d .hero-rail{display:flex;position:absolute;z-index:3;right:clamp(14px,2.4vw,36px);top:50%;transform:translateY(-50%);flex-direction:column;--p:0}
.hero-rail::before,.hero-rail::after{content:"";position:absolute;right:5px;width:1.5px;top:24px;bottom:24px;background:var(--line);border-radius:2px}
.hero-rail::after{background:var(--accent);bottom:auto;height:calc((100% - 48px)*var(--p));opacity:.55}
.hero-rail button{position:relative;display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:13px 0;background:none;border:0;color:var(--muted-2);font-size:13px;font-weight:500;letter-spacing:.01em;transition:color .2s}
.hero-rail button i{position:relative;z-index:1;width:11px;height:11px;border-radius:50%;background:var(--canvas);border:1.5px solid #a1a1aa;transition:background .25s,border-color .25s,transform .25s,box-shadow .25s}
.hero-rail button:hover{color:var(--ink)}
.hero-rail button:hover i{border-color:var(--ink)}
.hero-rail button.is-on{color:var(--ink)}
.hero-rail button.is-on i{background:var(--accent);border-color:var(--accent);transform:scale(1.2);box-shadow:0 0 0 5px rgba(255,90,0,.16)}
@media (max-width:900px){
 .h3d .hero{--sl:360vh}
 .h3d .hero-canvas{height:47%}
 .h3d .hero-bg{-webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 25%,#000 20%,transparent 80%);mask-image:radial-gradient(ellipse 90% 60% at 50% 25%,#000 20%,transparent 80%)}
 .h3d .hero-inner{top:46%;bottom:50px;pointer-events:none}
 .h3d .hero-copy{max-width:none;padding-right:0;justify-content:flex-start}
 .h3d .eyebrow{display:none}
 .h3d .hero h1{font-size:clamp(34px,9.6vw,60px);max-width:none}
 .h3d .hero-panels{margin-top:14px}
 .h3d .hero .sub{font-size:15px;line-height:1.4}
 .h3d .hero .actions{margin-top:14px}
 .h3d .hero .btn{padding:12px 16px;font-size:15px}
 .h3d .hint{display:none}
 .h3d .st-head{gap:12px}
 .h3d .st-head .num{font-size:38px}
 .h3d .st-t{font-size:34px}
 .h3d .st-p{font-size:15px;margin-top:8px;max-width:none}
 .h3d .stages .st-link{margin-top:12px;padding:11px 15px;font-size:14px}
 .h3d .hero-rail{top:auto;bottom:6px;left:0;right:0;transform:none;flex-direction:row;justify-content:center;gap:2px}
 .hero-rail::before,.hero-rail::after{display:none}
 .hero-rail button{flex-direction:row-reverse;gap:6px;padding:12px 6px;font-size:12px}
 .hero-rail button i{width:9px;height:9px}
}
@media (max-width:380px){.h3d .hero h1{font-size:33px}}
@media (prefers-reduced-motion:reduce){.hint-line::after{animation:none}.h3d .stage{transition:none}}

/* ===== MICRO-INTERACTIONS ===== */
.btn{position:relative;overflow:hidden;transition:translate .25s cubic-bezier(.2,.8,.2,1),scale .15s,background .2s,border-color .2s,box-shadow .25s;-webkit-tap-highlight-color:transparent}
.btn:active{transform:none;scale:.97;translate:0 0}
.btn svg.arr{width:16px;height:16px;flex:none;transition:translate .25s cubic-bezier(.2,.8,.2,1)}
.btn:hover svg.arr{translate:4px 0}
.btn-primary{transition:translate .25s cubic-bezier(.2,.8,.2,1),scale .15s,box-shadow .25s,filter .25s}
.btn-primary:hover{translate:0 -2px;box-shadow:inset 0 .5px 0 rgba(255,255,255,.7),inset 0 12px 16px -5px rgba(150,156,168,.5),0 0 0 1.5px #3a3d45,0 10px 18px -6px rgba(0,0,0,.35)}
.btn-neutral:hover,.btn-light:hover{translate:0 -2px;border-color:#a1a1aa;background:var(--card);box-shadow:0 8px 16px -8px rgba(9,9,11,.22)}
.btn-light:hover{background:#fff;box-shadow:0 10px 20px -8px rgba(0,0,0,.5)}
.btn-light svg.arr{color:var(--ink)}
.rip{position:absolute;border-radius:50%;pointer-events:none;background:currentColor;opacity:.22;transform:scale(0);animation:rip .65s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes rip{to{transform:scale(1);opacity:0}}

.nav-links a:not(.btn){position:relative;transition:color .2s}
.nav-links a:not(.btn):hover{background:none}
.nav-links a:not(.btn)::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--ink);transform:scaleX(0);transform-origin:100% 50%;transition:transform .3s cubic-bezier(.2,.8,.2,1)}
.nav-links a:not(.btn):hover::after,.nav-links a.is-active::after{transform:scaleX(1);transform-origin:0 50%}
.nav-links a.is-active{color:var(--ink)}
.nav-cta{transition:translate .25s cubic-bezier(.2,.8,.2,1),scale .15s,box-shadow .25s}
.brand{-webkit-tap-highlight-color:transparent}
.qmark{width:28px;height:28px;overflow:visible}
.qdot{transform-box:fill-box;transform-origin:center}
.brand:hover .qdot{animation:qbounce .7s cubic-bezier(.3,1.6,.5,1)}
@keyframes qbounce{0%{transform:translate(0,0)}30%{transform:translate(-5px,-9px) scale(1.08)}60%{transform:translate(1px,1px) scale(.92,1.08)}100%{transform:translate(0,0)}}

.tag{transition:border-color .2s,background .2s,color .2s}
.tag:hover{border-color:#a1a1aa;background:var(--subtle);color:var(--ink)}

.domain{position:relative;overflow:hidden;transition:translate .35s cubic-bezier(.2,.8,.2,1),border-color .25s,box-shadow .35s}
.domain::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(260px circle at var(--x,50%) var(--y,30%),rgba(9,9,11,.055),transparent 70%)}
.domain:hover{translate:0 -4px;border-color:#a1a1aa;box-shadow:0 18px 32px -20px rgba(9,9,11,.3)}
.domain:hover::before{opacity:1}
.domain:active{scale:.985}

.pill{position:relative;z-index:1;transition:color .25s,border-color .25s,background .25s,scale .15s}
.pill:hover{border-color:#a1a1aa}
.pill:active{scale:.96}
.filters{position:relative}
.pill-ind{position:absolute;left:0;top:0;z-index:0;border-radius:999px;background:var(--ink);pointer-events:none;transition:transform .5s cubic-bezier(.65,0,.2,1),width .5s cubic-bezier(.65,0,.2,1),height .5s}
.filters.has-ind .pill.is-on{background:transparent;border-color:transparent}
.filters.has-ind .pill{transition:color .35s}

.project{transition:translate .35s cubic-bezier(.2,.8,.2,1),border-color .25s,box-shadow .35s;transform-style:flat}
.project:hover{translate:0 -4px;border-color:#a1a1aa;box-shadow:0 22px 40px -24px rgba(9,9,11,.35)}
.shot img{transition:scale .7s cubic-bezier(.2,.8,.2,1),opacity .35s ease}
.project:hover .shot img{scale:1.04}
.link span{display:inline-block;transition:translate .25s cubic-bezier(.2,.8,.2,1)}
.project:hover .link span,.link:hover span{translate:3px -3px}
.project.ping{animation:ping-card 1.7s cubic-bezier(.2,.7,.2,1)}
@keyframes ping-card{0%{box-shadow:0 0 0 2px var(--accent),0 0 0 2px rgba(255,90,0,.45)}60%{box-shadow:0 0 0 2px var(--accent),0 0 0 14px rgba(255,90,0,.12)}100%{box-shadow:0 0 0 2px rgba(255,90,0,0),0 0 0 22px rgba(255,90,0,0)}}

.svc-list a{margin:0 -16px;padding:18px 16px;border-radius:20px;transition:background .25s}
.svc-list a:hover{background:var(--subtle)}
.svc-list .arr{transition:translate .25s cubic-bezier(.2,.8,.2,1),color .2s;transform:none}
.svc-list a:hover .arr{transform:none;translate:6px 0}
.svc-list li+li{border-top:1px solid var(--line)}

.member{position:relative;transition:translate .35s cubic-bezier(.2,.8,.2,1),border-color .25s,box-shadow .35s}
.member:hover{translate:0 -4px;border-color:#a1a1aa;box-shadow:0 18px 32px -22px rgba(9,9,11,.3)}
.avatar{position:relative;overflow:visible}
.avatar img{border-radius:inherit}
.avatar::after{content:"";position:absolute;inset:-6px;border-radius:30px;padding:2px;pointer-events:none;opacity:0;scale:.88;rotate:0deg;
 background:conic-gradient(var(--accent),rgba(255,90,0,0) 55%,var(--accent));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);
 transition:opacity .35s,scale .5s cubic-bezier(.2,.8,.2,1),rotate .9s cubic-bezier(.2,.8,.2,1)}
.member:hover .avatar::after{opacity:1;scale:1;rotate:180deg}

.cta .mail{display:inline-flex;align-items:center;gap:10px;transition:background .2s,border-color .2s,translate .25s cubic-bezier(.2,.8,.2,1)}
.cta .mail:hover{border-color:#71717a;translate:0 -2px}
.cta .mail:active{scale:.97}
.ul{background:linear-gradient(currentColor,currentColor) 0 100%/0 1.5px no-repeat;padding-bottom:2px;transition:background-size .35s cubic-bezier(.2,.8,.2,1)}
.mail:hover .ul,.mail:focus-visible .ul{background-size:100% 1.5px}
.mail .cp{width:15px;height:15px;color:#a1a1aa;transition:color .2s}
.mail:hover .cp{color:#fff}
.foot-grid a:not(.brand){transition:translate .2s}
.foot-grid a:not(.brand):hover{translate:3px 0;text-decoration:none}
.toast{position:fixed;left:50%;bottom:28px;z-index:100;translate:-50% 0;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:var(--ink);color:#fff;font-size:14px;font-weight:500;box-shadow:0 12px 28px -8px rgba(0,0,0,.4);pointer-events:none;animation:toast-in .35s cubic-bezier(.2,.8,.2,1)}
.toast i{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.toast.out{animation:toast-out .25s ease forwards}
@keyframes toast-in{from{transform:translateY(14px) scale(.96)}}
@keyframes toast-out{to{transform:translateY(8px);visibility:hidden}}
@media (prefers-reduced-motion:reduce){.rip,.project.ping,.brand:hover .qdot{animation:none}.btn,.domain,.project,.member,.pill-ind{transition:none}}
@media (max-width:760px){.svc-list a{margin:0 -10px;padding:16px 10px}}

/* v4: domains as broad fields of capability */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.sec-head--wide p{max-width:62ch}
.domains .domain{gap:0;padding:32px;align-items:stretch}
.domain .dhead{display:flex;gap:16px;align-items:flex-start}
.domain .dhead .ico{flex:none;margin-top:2px}
.domain h3{font-size:24px;letter-spacing:-.02em;line-height:1.2}
.domain p.pos{flex:none;margin-top:6px;font-size:15px;line-height:1.5;color:var(--muted);max-width:46ch}
.domains .domain .pic{height:152px;margin:24px 0 0}
.domain .lbl{flex:none;margin:26px 0 10px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.caps{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:2px 20px;flex:1;align-content:start}
.caps li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;font-size:14.5px;line-height:1.4;color:var(--text);border-top:1px solid var(--line)}
.caps li:nth-child(-n+2){border-top:0}
.caps li>svg{flex:none;width:18px;height:18px;margin-top:1px;color:var(--muted-2)}
.caps li small{display:block;font-size:12.5px;color:var(--muted-2);margin-top:1px}
.caps a{text-decoration:underline;text-decoration-color:#d4d4d8;text-underline-offset:3px;transition:text-decoration-color .2s,color .2s}
.caps a:hover{color:var(--ink);text-decoration-color:var(--accent)}
.domain .dfoot{flex:none;margin-top:22px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.domain p.sel{flex:none;font-size:13px;color:var(--muted-2);line-height:1.6}
.domain p.sel span{color:var(--muted-2)}
.domain p.sel a{color:var(--muted);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.domain p.sel a:hover{color:var(--ink);border-bottom-color:var(--accent)}
.domain .sep{margin:0 2px;color:#a1a1aa}
.dcta{display:inline-flex;align-items:center;gap:8px;font-weight:500;font-size:14.5px;color:var(--ink);padding:9px 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--card);transition:background .2s,border-color .2s}
.dcta .arr{width:14px;height:14px;transition:translate .25s cubic-bezier(.2,.8,.2,1)}
.dcta:hover{background:var(--subtle);border-color:#a1a1aa}
.dcta:hover .arr{translate:4px 0}
.domain.ping{animation:ping-card 1.7s cubic-bezier(.2,.7,.2,1)}
.domains .domain:hover{translate:0 -3px}
@media (max-width:1000px){.caps{grid-template-columns:1fr 1fr}}
@media (max-width:860px){.grid-2{grid-template-columns:1fr}}
@media (max-width:560px){
 .domains .domain{padding:22px}
 .caps{grid-template-columns:1fr}
 .caps li:nth-child(2){border-top:1px solid var(--line)}
 .domain h3{font-size:22px}
 .dcta{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){.domain.ping{animation:none}}

/* keep the header visible while the hero is pinned */
html.h3d[data-hero-pin] .nav.mx-hide{transform:none}
html.h3d[data-hero-pin] .mx-top{opacity:0!important;pointer-events:none!important}

/* ===== Engineering services (hairline list) ===== */
.eng-list{list-style:none;border-top:1px solid var(--line);counter-reset:eng}
.eng-list li{border-bottom:1px solid var(--line)}
.eng-row{display:grid;grid-template-columns:72px minmax(0,1.1fr) minmax(0,1.5fr) 44px;align-items:center;gap:8px 24px;padding:26px 8px;color:var(--text);transition:transform .35s cubic-bezier(.2,.8,.2,1),background .25s,border-radius .25s,padding .35s}
.eng-n{font-size:clamp(34px,4vw,52px);font-weight:700;line-height:1;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1.4px #b4b4bb;transition:color .3s,-webkit-text-stroke-color .3s}
.eng-t{font-size:clamp(20px,2.2vw,26px);font-weight:600;letter-spacing:-.025em;color:var(--ink);line-height:1.2}
.eng-d{font-size:15px;color:var(--muted);max-width:52ch}
.eng-a{justify-self:end;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--ink);transition:background .25s,color .25s,border-color .25s,transform .35s cubic-bezier(.2,.8,.2,1)}
.eng-a svg{width:20px;height:20px}
.eng-row:hover,.eng-row:focus-visible{transform:translateY(-3px);background:var(--card);border-radius:20px;box-shadow:0 14px 28px -18px rgba(9,9,11,.28)}
.eng-row:hover .eng-n,.eng-row:focus-visible .eng-n{color:var(--accent);-webkit-text-stroke-color:var(--accent)}
.eng-row:hover .eng-a,.eng-row:focus-visible .eng-a{background:var(--ink);color:#fff;border-color:var(--ink);transform:rotate(45deg)}
@media (max-width:900px){.eng-row{grid-template-columns:52px minmax(0,1fr) 40px;padding:22px 4px}.eng-d{grid-column:2/3;grid-row:2}.eng-a{grid-column:3;grid-row:1/3;width:40px;height:40px}.eng-n{font-size:34px;grid-row:1/3}}
@media (prefers-reduced-motion:reduce){.eng-row,.eng-a,.eng-n{transition:none}}