/* Approved palette is loaded from assets/brand/r3vanta-brand-tokens.css. */
*,*::before,*::after{box-sizing:border-box}*{margin:0}html{scroll-behavior:smooth;scroll-padding-top:110px}body{min-width:280px}img,svg,video{display:block;max-width:100%}button,input{font:inherit}a{color:inherit;text-decoration:none}button{color:inherit}button,a,summary{touch-action:manipulation}::selection{background:var(--r3-cyan);color:var(--r3-obsidian)}[hidden]{display:none!important}
:root{color-scheme:dark;--bg:var(--r3-obsidian);--surface:var(--r3-carbon);--text:var(--r3-white);--muted:var(--r3-titanium);--subtle:var(--r3-steel);--line:color-mix(in srgb,var(--r3-steel) 25%,transparent);--font:"Segoe UI",Arial,sans-serif;--mono:"Cascadia Code","SFMono-Regular",Consolas,monospace}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}p{color:var(--muted)}h1,h2,h3{font-weight:500;line-height:1.08;letter-spacing:-.04em}h2{font-size:clamp(2.4rem,4.4vw,4.2rem)}h3{font-size:1.6rem}a,button{transition:color 180ms,background 180ms,border-color 180ms}a:hover{color:var(--r3-white)}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--r3-cyan);outline-offset:6px}.container{width:min(1320px,calc(100% - 128px));margin-inline:auto}.muted{color:var(--r3-steel)}.brand-period{color:var(--r3-cyan)}.section{padding-block:112px}.eyebrow,.kicker,.small-label,.row-index,.focus-number,.project-register,.project-meta dt,.metadata dt,.drawing-cap,.drawing-foot,.object-reference,.object-caption,.hero-foot,.archive-columns,.column-foot{font-family:var(--mono);font-weight:400;text-transform:uppercase;font-size:.6875rem;letter-spacing:.14em}.eyebrow{display:flex;gap:20px;align-items:center;color:var(--r3-titanium);margin-bottom:28px}.eyebrow>span:first-child{color:var(--r3-steel)}.kicker,.small-label{color:var(--r3-steel)}.tiny-square{width:5px;height:5px;background:var(--r3-cyan);flex:none}.text-link{display:inline-flex;gap:30px;align-items:center;min-height:44px;font-size:.875rem}.arrow{display:inline-block;font-size:1.3rem;font-weight:400;line-height:1;transition:transform 220ms,color 220ms}a:hover .arrow,a:focus-visible .arrow{transform:translate(2px,-2px);color:var(--r3-cyan)}.skip-link{position:fixed;top:-100px;left:20px;padding:12px 22px;background:var(--r3-white);color:var(--bg);z-index:100}.skip-link:focus{top:15px}main:focus{outline:none}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:46px}.section-heading .eyebrow{margin-bottom:20px}.section-aside{font-size:.9rem;line-height:1.65}.section-divider{height:1px;background:var(--line);position:relative;margin-bottom:64px}.section-divider span{position:absolute;width:38px;height:1px;left:68%;top:0;background:var(--r3-steel);transform:rotate(-48deg);box-shadow:0 0 0 9px var(--bg)}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.hero-wordmark{width:100%;height:auto;max-width:none;margin-left:-6.2%;transform:scale(1.07);transform-origin:left center}
.wordmark{height:auto}
/* Identity / navigation */
.site-header{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 96%,transparent);transition:background 220ms}.header-inner{min-height:98px;display:flex;align-items:center;justify-content:space-between;gap:30px;transition:min-height 220ms}.brand{flex:none;display:block;width:234px}.desktop-brand{width:234px;height:auto}.mobile-brand{display:none}.site-nav{display:flex;gap:30px;align-items:center;font-size:.8125rem}.site-nav>a{position:relative;min-height:44px;display:flex;align-items:center;color:var(--r3-titanium)}.site-nav>a:hover,.site-nav>a[aria-current]{color:var(--text)}.site-nav>a[aria-current]::after{content:"";width:22px;height:2px;position:absolute;bottom:1px;left:0;background:var(--r3-cyan);clip-path:polygon(0 0,100% 0,90% 100%,0 100%)}.site-nav .nav-contact{border-left:1px solid var(--line);padding-left:26px;margin-left:8px;gap:26px;color:var(--text)}.site-header.is-compact{background:var(--bg)}.is-compact .header-inner{min-height:76px}.menu-toggle{display:none}
/* Editorial hero / approved object */
.hero{overflow:hidden;border-bottom:1px solid var(--line);position:relative}.hero-layout{position:relative;display:grid;grid-template-columns:1.03fr 1fr;min-height:745px;padding-top:88px}.hero-copy{position:relative;z-index:2;padding-bottom:88px;align-self:center}.hero h1{font-size:clamp(4.4rem,7.1vw,7.15rem);line-height:.98;font-weight:600;letter-spacing:-.065em;white-space:nowrap}.hero-title{font-size:clamp(1.35rem,2.2vw,2.15rem);line-height:1.3;color:var(--text);letter-spacing:-.025em;margin-top:32px}.hero-title span{color:var(--r3-titanium)}.hero-description{font-size:1.05rem;line-height:1.65;margin-top:28px;color:var(--r3-steel)}.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:35px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:52px;padding:12px 21px;background:var(--r3-white);color:var(--bg);font-size:.8125rem;font-weight:600;border:1px solid var(--r3-white);position:relative}.button::after{position:absolute;right:-1px;top:-1px;content:"";width:10px;height:10px;background:var(--bg);clip-path:polygon(0 0,100% 0,100% 100%)}.button:hover{background:var(--r3-titanium);border-color:var(--r3-titanium);color:var(--bg)}.button:hover .arrow{color:var(--bg)}.button.secondary{background:transparent;color:var(--text);border-color:var(--line)}.button.secondary:hover{border-color:var(--r3-steel)}.button.secondary:hover .arrow{color:var(--r3-cyan)}.hero-object{position:relative;align-self:center;margin:-64px -105px 0 -35px;aspect-ratio:1;min-width:0}.hero-object picture{display:block;position:relative;width:100%;z-index:1}.hero-object img{width:100%;height:auto}.hero-object-grid{position:absolute;inset:7% 6% 7% 5%;background-image:linear-gradient(color-mix(in srgb,var(--r3-steel) 7%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--r3-steel) 7%,transparent) 1px,transparent 1px);background-size:65px 65px;mask-image:linear-gradient(120deg,transparent,black 40%,transparent 95%)}.hero-object::before{content:"";position:absolute;inset:10% 7%;border-left:1px solid var(--line);border-bottom:1px solid var(--line);clip-path:polygon(0 0,8% 0,8% 96%,100% 96%,100% 100%,0 100%)}.object-reference{position:absolute;top:2%;left:12%;right:16%;display:flex;justify-content:space-between;color:var(--r3-steel);font-size:.625rem}.object-caption{position:absolute;bottom:1%;left:12%;right:16%;display:flex;justify-content:space-between;color:var(--r3-steel);font-size:.625rem;line-height:1.9}.object-caption>span:last-child{text-align:right}.hero-foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-block:24px;color:var(--r3-steel);margin-top:auto;z-index:3}.hero-foot a{display:flex;gap:45px;align-items:center;min-height:32px}.initialization-cut{position:absolute;inset:0;z-index:2;width:100%;height:100%;pointer-events:none;opacity:0}.initialization-cut path{fill:none;stroke:var(--r3-cyan);stroke-width:1.9;stroke-dasharray:468;stroke-dashoffset:468}.hero-object.initialize picture{animation:object-settle 800ms cubic-bezier(.2,.6,.2,1) both}.initialize .initialization-cut{animation:cut-presence 900ms ease-out both}.initialize .initialization-cut path{animation:cut-draw 800ms ease-out both}.initialize .init-label{color:var(--r3-cyan)}@keyframes object-settle{from{transform:translate(4px,3px);opacity:.7}to{transform:none;opacity:1}}@keyframes cut-draw{to{stroke-dashoffset:0}}@keyframes cut-presence{0%,100%{opacity:0}20%,75%{opacity:.9}}
/* Work / a reusable media and record system */
.project-register{display:flex;gap:25px;padding:18px 0;border-top:1px solid var(--line);color:var(--r3-steel)}.project-register .status{margin-left:auto;color:var(--r3-titanium)}.status::before{content:"";display:inline-block;width:4px;height:4px;background:var(--r3-cyan);margin:0 9px 2px 0}.project-visual{display:block;position:relative;overflow:hidden;background:var(--surface);aspect-ratio:16/7;clip-path:polygon(0 0,calc(100% - 28px) 0,100% 28px,100% 100%,0 100%)}.project-visual::after{content:"";position:absolute;height:1px;width:90px;right:0;top:29px;background:var(--r3-cyan);transform:rotate(45deg) translateX(120%);transform-origin:100% 50%;transition:transform 300ms}.project-visual:hover::after,.project-visual:focus-visible::after{transform:rotate(45deg) translateX(0)}.project-image{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.6,.2,1)}.project-visual:hover img{transform:scale(1.015)}.project-image.project-logo{object-fit:contain;padding:12%;background:var(--surface)}.project-open{position:absolute;bottom:20px;right:28px;display:flex;gap:30px;align-items:center;font-size:.75rem;background:var(--bg);padding:10px 16px;opacity:0;transform:translateY(5px);transition:opacity 220ms,transform 220ms}.project-visual:hover .project-open,.project-visual:focus-visible .project-open{opacity:1;transform:none}.project-fallback{height:100%;position:relative;padding:32px 38px;display:flex;flex-direction:column;background:linear-gradient(128deg,var(--r3-carbon) 48%,var(--r3-graphite) 48.1%,var(--r3-graphite) 48.25%,var(--r3-carbon) 48.35%)}.drawing-cap,.drawing-foot{display:flex;justify-content:space-between;color:var(--r3-steel);font-size:.625rem;letter-spacing:.14em;position:relative;z-index:1}.drawing-cap{padding-bottom:18px;border-bottom:1px solid var(--line)}.drawing-foot{align-items:flex-end;line-height:1.7;margin-top:auto}.drawing-note{text-transform:none;letter-spacing:.025em;text-align:right}.system-drawing{display:grid;grid-template-columns:1fr .6fr 1.45fr .6fr 1fr;align-items:center;width:min(830px,90%);margin:auto;gap:0;padding:36px 0}.drawing-node,.drawing-core{text-align:center;font-family:var(--mono);font-size:clamp(.9rem,1.3vw,1.15rem);letter-spacing:.13em;display:grid;gap:10px;padding:26px 12px;border:1px solid var(--line);position:relative}.drawing-node>span,.drawing-core>span{font-family:var(--font);text-transform:none;letter-spacing:0;font-size:.75rem;color:var(--r3-steel)}.drawing-core{padding-block:46px;border-color:var(--r3-steel);clip-path:polygon(0 0,calc(100% - 13px) 0,100% 13px,100% 100%,13px 100%,0 calc(100% - 13px))}.drawing-core::after{content:"";width:4px;height:4px;background:var(--r3-cyan);position:absolute;left:50%;top:21px}.system-drawing>i{height:1px;background:var(--r3-steel);position:relative}.system-drawing>i::after{content:"";width:5px;height:5px;border-top:1px solid var(--r3-steel);border-right:1px solid var(--r3-steel);transform:rotate(45deg);position:absolute;right:0;top:-2px}.project-info{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;padding:29px 0 10px}.project-info h3{font-size:2.35rem;margin-bottom:12px}.project-info h3 a{display:flex;align-items:center;gap:24px}.project-info p{font-size:.9375rem;max-width:390px}.project-meta{display:grid;grid-template-columns:1fr .7fr 1.2fr;gap:18px 26px;font-size:.8125rem}.project-meta dt{color:var(--r3-steel);font-size:.625rem;margin-bottom:5px}.project-meta>div:last-child{grid-column:1/-1}.project-meta dd{display:flex;gap:8px;flex-wrap:wrap}.feature-columns{display:grid;grid-template-columns:repeat(2,1fr);gap:38px}.feature-columns .project-info{display:block}.feature-columns .project-info>div{margin-bottom:24px}.feature-columns .project-visual{aspect-ratio:4/3}.feature-columns .drawing-cap span:last-child,.feature-columns .drawing-note{display:none}.feature-columns .project-fallback{padding:24px}.feature-columns .system-drawing{width:100%;grid-template-columns:1fr .2fr 1.1fr .2fr 1fr}.archive-section{padding-bottom:120px}.archive-section .section-heading{border-top:1px solid var(--line);padding-top:65px}.archive-columns,.archive-row>a{display:grid;grid-template-columns:40px 2fr .6fr 1fr 1fr 1.2fr 20px;gap:18px;align-items:center}.archive-columns{padding-block:14px;border-block:1px solid var(--line);color:var(--r3-steel);font-size:.625rem}.archive-empty{display:flex;gap:25px;padding-block:38px;border-bottom:1px solid var(--line);align-items:flex-start}.archive-empty-index{font-family:var(--mono);color:var(--r3-steel);width:33px;flex:none}.archive-empty h3{font-size:1.25rem;letter-spacing:-.015em;margin-bottom:10px}.archive-empty p{max-width:570px;font-size:.875rem}.archive-empty>.small-label{margin-left:auto;white-space:nowrap;padding-top:6px}.archive-row{border-bottom:1px solid var(--line);padding:18px 0;transition:background 220ms}.archive-row>a{min-height:52px;font-size:.8125rem;color:var(--r3-titanium)}.archive-row h3{font-size:1.15rem;color:var(--text)}.archive-detail{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-left:58px;max-height:0;opacity:0;overflow:hidden;transition:max-height 250ms,opacity 250ms,padding 250ms}.archive-detail p{font-size:.875rem}.archive-row:hover .archive-detail,.archive-row:focus-within .archive-detail{max-height:180px;opacity:1;padding-block:12px}.archive-search{display:none;align-items:center;gap:22px;margin-bottom:24px;font-size:.8125rem}.js .archive-search{display:flex}.archive-search input{background:var(--surface);border:1px solid var(--line);padding:12px;color:var(--text);width:min(400px,100%)}.archive-no-results{padding:30px}.archive-count{color:var(--r3-steel)}
/* Engineering / focus / biography */
.current-section{padding-block:100px;background:var(--surface);border-block:1px solid var(--line)}.current-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.current-grid>div>p:not(.eyebrow){max-width:405px;margin-top:28px;font-size:.9375rem}.current-grid .button{margin-top:30px}.current-grid .button::after{background:var(--surface)}.engineering-rows{border-top:1px solid var(--line);align-self:center}.engineering-row{border-bottom:1px solid var(--line)}.engineering-row summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:32px 1fr 20px;gap:20px;align-items:center;padding:25px 0;font-size:1.05rem;line-height:1.4}.engineering-row summary::-webkit-details-marker{display:none}.row-index{color:var(--r3-steel)}.cut-indicator{width:17px;height:17px;position:relative}.cut-indicator::before,.cut-indicator::after{content:"";height:1px;width:13px;background:var(--r3-titanium);position:absolute;top:8px;left:2px;transition:transform 250ms,background 250ms}.cut-indicator::after{transform:rotate(-55deg)}.engineering-row[open] .cut-indicator::after{transform:rotate(0)}.engineering-row[open] .cut-indicator::before{background:var(--r3-cyan)}.engineering-row p{padding:0 25px 27px 52px;font-size:.875rem;max-width:540px}.focus-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.focus-grid article{padding:34px 34px 25px 0;position:relative;display:flex;flex-direction:column}.focus-grid article+article{border-left:1px solid var(--line);padding-left:36px}.focus-number{color:var(--r3-steel);margin-bottom:50px}.focus-grid h3{font-size:1.35rem;text-transform:uppercase;letter-spacing:.035em;margin-bottom:20px}.focus-grid p{font-size:.9rem;margin-bottom:28px;max-width:320px}.tags{display:flex;flex-wrap:wrap;gap:8px}.technical-tag,.tags>span{font-family:var(--mono);font-size:.6875rem;padding:3px 0;color:var(--r3-titanium)}.tags>span+span::before{content:"/";margin-right:8px;color:var(--r3-steel)}.focus-grid .tags{margin-top:auto}.column-foot{margin-top:48px;font-size:.5625rem;color:var(--r3-steel)}.about-strip{display:grid;grid-template-columns:1fr 1.15fr;gap:0 85px;padding-bottom:110px}.about-strip .section-divider{grid-column:1/-1}.about-strip h2{font-size:clamp(4rem,7vw,6.5rem);margin-bottom:15px}.about-strip>div:last-child{align-self:center}.about-strip>div>p:not(.eyebrow){font-size:1.45rem;line-height:1.5;max-width:600px;margin-bottom:25px}.contact-band{padding-bottom:100px}.contact-band-inner{display:grid;grid-template-columns:1fr auto;gap:60px;align-items:end}.contact-band h2{font-size:clamp(3.5rem,7vw,6.8rem);font-weight:450;letter-spacing:-.055em}.contact-band h2>span{color:var(--r3-steel)}.contact-band .button{margin-top:25px}.contact-band-inner>div{padding-bottom:8px;min-width:230px}.site-footer{padding-top:50px;border-top:1px solid var(--line);background:var(--surface)}.footer-top{display:grid;grid-template-columns:1fr 1fr auto;gap:60px;padding-bottom:45px;align-items:center}.footer-brand{width:240px;display:block;margin-left:-15px}.footer-top p{font-size:.8125rem}.footer-top nav{display:grid;grid-template-columns:1fr 1fr;gap:5px 45px;font-size:.8125rem}.footer-top nav a{min-height:36px;display:flex;align-items:center}.footer-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;align-items:center;padding-block:20px;font-size:.6875rem;color:var(--r3-steel)}.footer-bottom>span:nth-child(2){font-family:var(--mono);font-size:.5625rem;letter-spacing:.08em}.footer-bottom .text-link{font-size:.6875rem}
/* Interior pages */
.page-intro{padding:85px 0 70px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}.page-intro::after{content:"";width:150px;height:1px;background:var(--line);position:absolute;right:4%;bottom:70px;transform:rotate(-48deg)}.page-intro h1{font-size:clamp(3.2rem,6.5vw,6.6rem);max-width:1120px}.page-intro .lede{font-size:1.05rem;max-width:670px;margin-top:30px}.page-body{padding-block:75px 110px}.breadcrumb{font-size:.75rem;color:var(--r3-steel);display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}.detail-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:110px}.prose{max-width:740px}.prose h2{font-size:2rem;margin-bottom:22px}.prose p+p{margin-top:20px}.prose section+section{margin-top:55px}.metadata{border-top:1px solid var(--line)}.metadata>div{padding:18px 0;border-bottom:1px solid var(--line)}.metadata dt{color:var(--r3-steel);font-size:.625rem}.metadata dd{margin-top:6px;overflow-wrap:anywhere;font-size:.9rem}.spaced{margin-top:65px}.stack{display:grid;gap:28px}.notice{border-left:1px solid var(--r3-steel);padding:15px 24px;background:var(--surface);color:var(--r3-titanium);font-size:.875rem}.notice strong{color:var(--text)}.notice p{margin-block:8px}.empty-state{padding:35px 0;border-block:1px solid var(--line)}.bullet-list{padding-left:22px;color:var(--muted)}.bullet-list li{padding-left:7px;margin-bottom:11px}.project-gallery{margin-top:70px}.project-gallery h2{font-size:2.4rem}.project-gallery figure+figure{margin-top:35px}.project-gallery .project-image{height:auto}.media-placeholder{aspect-ratio:16/5;border-block:1px solid var(--line);background:var(--surface);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;color:var(--r3-steel);font-size:.875rem}.media-placeholder span:first-child{font-family:var(--mono);text-transform:uppercase;font-size:.625rem;letter-spacing:.15em}.identity-panel{position:relative;min-height:380px;background:var(--surface);display:flex;flex-direction:column;justify-content:center;padding:45px;overflow:hidden;clip-path:polygon(0 0,calc(100% - 30px) 0,100% 30px,100% 100%,0 100%)}.identity-panel::before{content:"";position:absolute;width:300px;height:1px;background:var(--line);transform:rotate(-48deg);right:-90px;bottom:80px}.identity-panel strong{font-size:clamp(4rem,7vw,6rem);font-weight:500;letter-spacing:-.05em;line-height:1.2}.identity-panel .kicker{margin-top:30px}.history-space{margin-top:65px;border-top:1px solid var(--line);padding-top:30px;display:flex;justify-content:space-between;gap:35px}.history-space h3{font-size:1.35rem}.history-space p{font-size:.875rem;max-width:430px}.tech-row{display:grid;grid-template-columns:45px 1fr 1fr;gap:35px;padding:32px 0;border-bottom:1px solid var(--line)}.tech-row:first-child{border-top:1px solid var(--line)}.tech-row h2{font-size:1.7rem}.tech-row .tags{margin-top:18px}.tech-row p{font-size:.875rem}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);column-gap:80px}.contact-card{border-top:1px solid var(--line);padding:28px 0 40px;display:grid;gap:23px}.contact-card h2{font-size:2rem}.pending{font-size:.875rem;color:var(--r3-steel)}.contact-note{font-size:.875rem;margin-top:28px}.caption{font-size:.8125rem;margin-top:12px}.inline-links{display:flex;gap:24px;flex-wrap:wrap}.article-media{width:100%;height:auto}.reveal-ready{opacity:0;transform:translateY(12px)}.reveal-ready.is-visible{opacity:1;transform:none;transition:opacity 650ms,transform 650ms}
/* Responsive composition */
@media(min-width:1600px){.hero-layout{min-height:820px;padding-top:110px}.hero-object{margin-right:-125px}.hero-copy{padding-bottom:100px}}
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