:root{
  --paper:#ebeae6;     /* filter paper */
  --graphite:#201f1d;  /* ink, dark platform */
  --lead:#5c5b56;      /* secondary text */
  --rule:#c9c8c4;
  --gas:#a8a397;       /* CO2 only */
  --gas-tint:#faf9f7;
  --on-dark:#ebeae6;
  --on-dark-2:#b2b1ab;
  --display:"Satoshi",ui-sans-serif,system-ui,sans-serif;
  --text:"Satoshi",ui-sans-serif,system-ui,sans-serif;
  --wrap:1320px; --pad:clamp(20px,4vw,56px);
  --s1:clamp(44px,7.4vw,112px); --s2:clamp(32px,4vw,56px); --s3:clamp(22px,2.2vw,30px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--graphite);font:400 17px/1.6 var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video,svg{display:block;max-width:100%}
a{color:inherit;text-underline-offset:.2em;text-decoration-thickness:1px}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-family:var(--display);font-weight:700;letter-spacing:-.025em;line-height:1.02}
h1{font-size:var(--s1);letter-spacing:-.035em;line-height:.98}
h2{font-size:var(--s2)}
h3{font-size:var(--s3);letter-spacing:-.015em;line-height:1.15}
:focus-visible{outline:2px solid var(--graphite);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}
.lead{font-size:clamp(19px,1.6vw,23px);line-height:1.45;max-width:36em}
.muted{color:var(--lead)}
.caption{font-size:13px;color:var(--lead);font-style:italic}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;z-index:99;background:var(--paper);padding:8px 12px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:14px 22px;border:1.5px solid var(--graphite);border-radius:2px;font:700 15px/1 var(--text);text-decoration:none;cursor:pointer;background:var(--graphite);color:var(--paper);transition:background .15s,color .15s}
.btn:hover{background:transparent;color:var(--graphite)}
.btn.ghost{background:transparent;color:var(--graphite)}
.btn.ghost:hover{background:var(--graphite);color:var(--paper)}
.on-dark .btn{background:var(--on-dark);color:var(--graphite);border-color:var(--on-dark)}
.on-dark .btn:hover{background:transparent;color:var(--on-dark)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}

/* Header */
.site-header{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--rule)}
.site-header .wrap{display:flex;align-items:center;gap:36px;height:72px}
.logo img{height:26px;width:auto}
.nav{display:flex;gap:28px;margin-left:auto;font-size:15px}
.nav a{text-decoration:none;color:var(--lead)}
.nav a:hover,.nav a[aria-current]{color:var(--graphite)}
.nav a[aria-current]{text-decoration:underline}
.site-header .btn{padding:11px 16px;font-size:14px}
.menu-btn{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer;font:700 15px var(--text);color:var(--graphite)}
.mobile-nav{position:fixed;inset:72px 0 0;z-index:29;background:var(--paper);padding:24px var(--pad);display:flex;flex-direction:column;gap:6px}
.mobile-nav a{font:700 32px/1.3 var(--display);text-decoration:none;letter-spacing:-.02em}
.mobile-nav[hidden]{display:none}

/* Hero */
.hero{padding-top:clamp(48px,9vh,112px)}
.hero h1{max-width:13ch}
.hero .lead{margin-top:28px}
.plate{position:relative;margin-top:clamp(40px,6vh,72px)}
.plate img{width:100%;height:clamp(260px,34vw,480px);object-fit:cover;object-position:center}
.plate .caption{margin-top:10px}
@media (prefers-reduced-motion:no-preference){
  .js .plate.assemble img{clip-path:inset(0 100% 0 0)}
  .js .plate.assemble.in img{animation:assemble 2.4s cubic-bezier(.6,0,.2,1) both}
  @keyframes assemble{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
}

/* Film hero (home) */
.hero-film{position:relative;height:100vh;height:100svh;min-height:620px;display:flex;align-items:flex-end;overflow:hidden;background:var(--graphite);color:#fff}
.hero-film video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-film::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(32,31,29,.78) 0%,rgba(32,31,29,.25) 45%,rgba(32,31,29,0) 65%),linear-gradient(to bottom,rgba(32,31,29,.45),rgba(32,31,29,0) 22%)}
.hero-film .wrap{position:relative;z-index:1;width:100%;padding-bottom:clamp(48px,10vh,120px)}
.hero-film h1{max-width:15ch;color:#fff;text-wrap:balance}
.hero-film .lead{margin-top:24px;color:rgba(255,255,255,.84)}
.hero-film .btn{background:var(--paper);color:var(--graphite);border-color:var(--paper)}
.hero-film .btn:hover{background:transparent;color:#fff}
.hero-film .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.hero-film .btn.ghost:hover{background:#fff;color:var(--graphite)}
.has-film .site-header{position:fixed;left:0;right:0;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
.has-film .site-header:not(.scrolled) .logo img{filter:brightness(0) invert(1)}
.has-film .site-header:not(.scrolled) .nav a{color:rgba(255,255,255,.82)}
.has-film .site-header:not(.scrolled) .nav a:hover{color:#fff}
.has-film .site-header:not(.scrolled) .btn{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.has-film .site-header:not(.scrolled) .menu-btn{color:#fff}
.has-film .site-header.scrolled{background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.band-plate{margin:0;padding-top:clamp(56px,8vh,96px)}
.band-plate img{width:100%;height:clamp(240px,30vw,440px);object-fit:cover}
.band-plate .caption{margin-top:12px}

/* Platform plates on the homepage */
.plates{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.plates figure{margin:0;border-radius:3px;overflow:hidden;position:relative}
.plates img{width:100%;aspect-ratio:16/10;object-fit:cover}
.plates .co2{background:var(--gas-tint)}
.plates .bm{background:var(--graphite)}
.plates figcaption{position:absolute;left:20px;bottom:16px;font-size:13px;font-style:italic}
.plates .co2 figcaption{color:var(--lead)}
.plates .bm figcaption{color:var(--on-dark-2)}

/* Page head (inner pages) */
.page-head{padding-top:clamp(48px,9vh,112px);padding-bottom:clamp(32px,5vh,56px)}
.page-head h1{font-size:clamp(40px,6vw,88px);max-width:14ch}
.page-head .lead{margin-top:24px}
.crumb{display:inline-block;margin-bottom:20px;font-size:15px;color:var(--lead)}

/* Sections */
.section{padding-block:clamp(72px,11vh,136px)}
.section + .section{border-top:1px solid var(--rule)}
.section-head{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:end;margin-bottom:clamp(36px,5vh,64px)}
.section-head p{margin:0;color:var(--lead);max-width:34em}
.on-dark{background:var(--graphite);color:var(--on-dark)}
.on-dark .muted,.on-dark .section-head p,.on-dark .caption{color:var(--on-dark-2)}

/* Method: two platforms, recover then upgrade */
.method{display:grid;gap:12px}
.route{display:grid;grid-template-columns:minmax(180px,1.1fr) 1fr 1fr 1fr;align-items:stretch;border-radius:3px;overflow:hidden}
.route > div{padding:24px 22px;position:relative}
.route .name{display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.route .name h3{font-size:22px}
.route .name a{font-size:14px}
.route .k{display:block;font-size:13px;margin-bottom:10px;opacity:.75}
.route .v{font:700 20px/1.2 var(--display);letter-spacing:-.01em}
.route .d{display:block;margin-top:8px;font-size:14px;line-height:1.45;opacity:.8}
.route > div + div::before{content:"";position:absolute;left:0;top:24px;bottom:24px;border-left:1px solid currentColor;opacity:.18}
.route.co2{background:var(--gas-tint)}
.route.bm{background:var(--graphite);color:var(--on-dark)}
.by{display:grid;grid-template-columns:minmax(180px,1.1fr) 1fr 2fr;font-size:14px;color:var(--lead)}
.by span{grid-column:2/4;padding:2px 22px 0;border-left:1px dashed var(--rule);margin-left:0}

/* Evidence table */
.spec{width:100%;border-collapse:collapse}
.spec th,.spec td{text-align:left;vertical-align:top;padding:18px 0;border-top:1px solid var(--rule)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:1px solid var(--rule)}
.spec th{width:34%;font-weight:400;color:var(--lead);padding-right:24px}
.spec td{font-size:18px}
.spec td strong{font:700 1.15em/1.2 var(--display);letter-spacing:-.01em}
.spec .src{display:block;font-size:14px;color:var(--lead);margin-top:4px}
.on-dark .spec th,.on-dark .spec td{border-color:#3a3936}
.on-dark .spec th,.on-dark .spec .src{color:var(--on-dark-2)}

/* Projects */
.projects{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,40px)}
.project{text-decoration:none;display:block}
.project .img{aspect-ratio:4/3;overflow:hidden;background:var(--rule);border-radius:2px}
.project img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.project:hover img{transform:scale(1.02)}
.project h3{margin-top:20px}
.project p{margin-top:10px;color:var(--lead);max-width:34em}
.project .more{font-weight:700;text-decoration:underline;font-size:15px}

/* News */
.news{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.news li{border-bottom:1px solid var(--rule)}
.news a{display:grid;grid-template-columns:96px 1fr auto;gap:24px;align-items:center;padding:18px 0;text-decoration:none}
.news .thumb{aspect-ratio:1;overflow:hidden;border-radius:2px;background:var(--rule)}
.news .thumb img{width:100%;height:100%;object-fit:cover;filter:grayscale(.35)}
.news a:hover .thumb img{filter:none}
.news h3{font-size:clamp(18px,1.6vw,22px)}
.news a:hover h3{text-decoration:underline;text-decoration-thickness:1.5px}
.news time{font-size:14px;color:var(--lead);white-space:nowrap}
.section .after{margin-top:28px}

/* Partners as names */
.names{display:flex;flex-wrap:wrap;gap:10px 12px;list-style:none;margin:0;padding:0}
.names li{border:1px solid var(--rule);border-radius:2px;padding:9px 14px;font-size:15px}
.on-dark .names li{border-color:#3a3936}

/* Platform detail (technologies) */
.platform{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,64px);align-items:start}
.platform .figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:2px}

.steps{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:36px}
.step .k{font-size:14px;color:var(--lead)}
.on-dark .step .k{color:var(--on-dark-2)}
.step h3{font-size:22px;margin:6px 0 10px}
.step p{font-size:16px;margin:0}
.note{margin-top:28px;padding-top:16px;border-top:1px dashed currentColor;font-size:15px;opacity:.85}
.points{display:grid;grid-template-columns:1fr 1fr;gap:36px 48px}
.points h3{font-size:22px;margin-bottom:8px}
.points p{margin:0;color:var(--lead)}

/* Materials list (products) */
.materials{border-top:1.5px solid currentColor}
.material{display:grid;grid-template-columns:4fr 5fr 3fr;gap:32px;padding:28px 0;border-bottom:1px solid var(--rule)}
.material h3{font-size:26px}
.material p{margin:0}
.material .apps{font-size:15px;color:var(--lead)}
.material .apps strong{display:block;color:var(--graphite);font-weight:700;margin-bottom:4px}
.group-title{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:56px 0 14px}
.group-title:first-child{margin-top:0}
.group-title span{font-size:15px;color:var(--lead)}
.coproduct{padding:22px 0;color:var(--lead);font-size:15px;border-bottom:1px solid var(--rule)}

/* Figures and articles */
.figure-wide{margin:0}
.figure-wide img{width:100%;height:clamp(240px,40vw,560px);object-fit:cover;border-radius:2px;background:var(--rule)}
.prose{max-width:720px}
.prose h2{font-size:clamp(28px,3vw,40px);margin-bottom:28px;line-height:1.1}
.prose h3,.prose h4{font:700 21px/1.3 var(--display);letter-spacing:-.01em;margin:40px 0 10px}
.prose p,.prose li{font-size:18px;line-height:1.7}
.prose ul{padding-left:1.1em}
.prose li{margin-bottom:8px}
.prose .funding{margin-top:48px;max-width:100%;height:auto;mix-blend-mode:multiply}
.article-grid{display:grid;grid-template-columns:3fr 9fr;gap:32px}
.article-meta{font-size:15px;color:var(--lead);position:sticky;top:96px;align-self:start}
.article-meta a{display:block;margin-top:12px}

/* About video */
.film{position:relative;aspect-ratio:21/9;overflow:hidden;border-radius:2px;background:var(--graphite)}
.film video{width:100%;height:100%;object-fit:cover}

/* Contact */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:clamp(32px,5vw,80px)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:700}
.form .full{grid-column:1/-1}
.form input,.form select,.form textarea{font:400 17px/1.4 var(--text);color:var(--graphite);background:#faf9f7;border:1px solid var(--rule);border-radius:2px;padding:13px 14px}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--graphite);outline-offset:0;border-color:var(--graphite)}
.form .hp{position:absolute;left:-9999px}
.form .error{font-weight:400;color:#9b2c2c;font-size:13px;min-height:0}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-status{margin:0;color:var(--lead);font-size:15px}
.offices{display:grid;gap:32px}
.offices h3{font-size:20px;margin-bottom:8px}
.offices p{margin:0}

/* Footer */
.site-footer{background:var(--graphite);color:var(--on-dark)}
.site-footer .band img{width:100%;height:140px;object-fit:cover;object-position:70% 50%;opacity:.7}
.foot{display:grid;grid-template-columns:5fr 3fr 4fr;gap:32px;padding-block:56px 40px}
.foot img.logo-white{height:28px;width:auto;margin-bottom:18px}
.foot p{color:var(--on-dark-2);font-size:15px}
.foot nav{display:flex;flex-direction:column;gap:8px}
.foot a{text-decoration:none;color:var(--on-dark)}
.foot a:hover{text-decoration:underline}
.base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:20px 28px;border-top:1px solid #3a3936;font-size:13px;color:var(--on-dark-2)}

@media (max-width:1000px){
  .nav,.site-header .btn{display:none}
  .menu-btn{display:block}
  .section-head,.platform,.contact-grid,.article-grid{grid-template-columns:1fr}
  .article-meta{position:static}
  .route{grid-template-columns:1fr 1fr}
  .route .name{grid-column:1/-1}
  .route > div + div::before{display:none}
  .by{grid-template-columns:1fr}.by span{grid-column:1;border-left:0;padding-left:22px}
  .material{grid-template-columns:1fr;gap:10px}
  .foot{grid-template-columns:1fr 1fr}.foot > div:first-child{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:16px}
  .plates{grid-template-columns:1fr}
  .route{grid-template-columns:1fr}
  .projects,.steps,.points,.form{grid-template-columns:1fr}
  .news a{grid-template-columns:64px 1fr}.news time{grid-column:2;margin-top:-12px}
  .spec th{width:auto;display:block;padding-bottom:0;border-bottom:0}.spec td{display:block;border-top:0;padding-top:4px}
  .foot{grid-template-columns:1fr}
}

/* v4 additions */
.route .sp{width:64px;height:64px;margin:-6px 0 10px -6px}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.strip a{position:relative;display:block;aspect-ratio:4/5;overflow:hidden;border-radius:3px;background:var(--rule);text-decoration:none}
.strip img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.strip a:hover img{transform:scale(1.03)}
.strip span{position:absolute;left:0;right:0;bottom:0;padding:48px 20px 18px;font:700 20px/1.2 var(--display);color:#fff;background:linear-gradient(to top,rgba(32,31,29,.7),rgba(32,31,29,0))}
.logos{list-style:none;margin:0 0 28px;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.logos li{background:transparent;border:1px solid var(--rule);border-radius:3px;height:110px;display:flex;align-items:center;justify-content:center;padding:18px 22px}
.logos img{max-height:64px;max-width:100%;width:auto;object-fit:contain;filter:grayscale(1);opacity:.85;mix-blend-mode:multiply;transition:filter .2s,opacity .2s}
.logos li:hover img{filter:none;opacity:1}
.small-label{font-size:14px;margin:0 0 12px}
.step-row{display:grid;grid-template-columns:4fr 8fr;gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(28px,4vh,48px) 0;border-top:1px solid var(--rule)}
.on-dark .step-row{border-color:#3a3936}
.step-text .k{font-size:14px;color:var(--lead)}
.on-dark .step-text .k{color:var(--on-dark-2)}
.step-text h3{margin:6px 0 12px}
.step-text p{margin:0;max-width:30em}
.on-dark .step-text p{color:var(--on-dark-2)}
.diagram{margin:0;background:var(--gas-tint);border-radius:3px;padding:clamp(12px,2vw,28px)}
.on-dark .diagram{background:#2a2926}
.diagram svg{width:100%;height:auto}
.material{grid-template-columns:96px 5fr 3fr;align-items:center}
.mat-icon{width:96px;height:96px;background:var(--gas-tint);border-radius:3px}
.mat-icon svg{width:100%;height:100%}
.material h3{margin-bottom:6px}
@media (max-width:1000px){.step-row{grid-template-columns:1fr}.material{grid-template-columns:72px 1fr}.mat-icon{width:72px;height:72px}.material .apps{grid-column:2}}
@media (max-width:640px){.strip{grid-template-columns:1fr}.strip a{aspect-ratio:16/10}}
.news-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,32px)}
.news-card{text-decoration:none;display:flex;flex-direction:column}
.news-card .img{aspect-ratio:3/2;overflow:hidden;border-radius:3px;background:var(--rule);margin-bottom:16px}
.news-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.news-card:hover img{transform:scale(1.03)}
.news-card time{font-size:14px;color:var(--lead)}
.news-card h3{font-size:clamp(20px,1.8vw,24px);margin-top:6px}
.news-card:hover h3{text-decoration:underline;text-decoration-thickness:1.5px}
@media (max-width:1000px){.news-cards{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.news-cards{grid-template-columns:1fr}}
.ip{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.01em;padding:4px 9px;border:1px solid currentColor;border-radius:2px;margin-top:12px;opacity:.85}
.section-head p .ip{margin:0 4px 0 0;padding:1px 7px;font-size:12px;vertical-align:1px}
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.why > div{border-top:1.5px solid var(--graphite);padding-top:20px}
.why .n{display:block;font:700 clamp(44px,5vw,72px)/1 var(--display);letter-spacing:-.03em;margin-bottom:18px}
.why h3{font-size:22px;margin-bottom:10px}
.why p{margin:0;color:var(--lead);font-size:16px}
.why-close{margin:40px 0 0;font:700 clamp(20px,2vw,26px)/1.3 var(--display);max-width:30em}
.lead-product{display:grid;grid-template-columns:6fr 5fr;gap:clamp(24px,4vw,56px);align-items:center;background:transparent;border-top:1.5px solid var(--graphite);border-bottom:1px solid var(--rule);border-radius:3px;overflow:hidden;margin-bottom:12px}
.lp-img{height:100%;min-height:360px}
.lp-img img{width:100%;height:100%;object-fit:cover;object-position:88% 55%}
.lp-text{padding:clamp(24px,4vw,48px) 0}
.lp-text .ip{margin:0 0 14px}
.lp-text h3{font-size:clamp(26px,2.6vw,36px);margin-bottom:14px}
.lp-text p{color:var(--lead)}
.lp-text p strong{color:var(--graphite)}
@media (max-width:1000px){.why{grid-template-columns:1fr}.lead-product{grid-template-columns:1fr}.lp-text{padding:0 24px 28px}.lp-img{min-height:240px}}
.mat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mat-row a{display:block;text-decoration:none;background:var(--gas-tint);border-radius:3px;padding:20px 20px 22px}
.mat-row .mat-icon{width:100%;height:auto;aspect-ratio:1;background:none;margin-bottom:8px}
.mat-row h3{font-size:19px;margin-bottom:6px}
.mat-row p{margin:0;font-size:14px;color:var(--lead)}
.mat-row a:hover h3{text-decoration:underline}
.news-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.news a{grid-template-columns:200px 1fr auto;gap:32px;padding:22px 0}
.news .thumb{aspect-ratio:3/2}
.news h3{font-size:clamp(20px,2vw,28px)}
@media (max-width:1000px){.mat-row{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.news a{grid-template-columns:96px 1fr;gap:16px}.mat-row{grid-template-columns:1fr 1fr}}
.route .sp .sb{display:none}

/* v6: colour discipline */
:root{--gas-tint:#e4e3de}
img.cut{mix-blend-mode:multiply;filter:grayscale(.15) contrast(1.02)}
.figure-wide.cutout img{background:transparent;object-fit:cover}
.figure-wide img,.project img,.news img,.news-card img,.strip img,.duo img,.hero-img img{filter:saturate(.72) contrast(1.02)}
.project:hover img,.news a:hover img,.news-card:hover img{filter:saturate(.9)}
.route.co2{background:var(--gas-tint)}
.diagram{background:transparent;border:1px solid var(--rule)}
.mat-row a{background:transparent;border:1px solid var(--rule)}
.mat-icon{background:transparent}
/* About */
.about-hero{padding-top:clamp(48px,9vh,112px);padding-bottom:clamp(40px,6vh,72px)}
.about-hero h1{font-size:clamp(40px,6vw,88px);max-width:15ch;text-wrap:balance}
.about-intro{display:grid;grid-template-columns:5fr 7fr;gap:32px;margin-top:40px}
.about-intro .lead{margin:0}
.duo{display:grid;grid-template-columns:7fr 5fr;gap:12px}
.duo figure{margin:0}
.duo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:3px}
.duo figure:last-child img{object-position:70% 50%}
.duo .caption{margin-top:10px}
.journey{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:j}
.journey li{position:relative;padding:28px 24px 0 0;border-top:1.5px solid var(--graphite)}
.journey li::before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;background:var(--graphite)}
.journey .k{font-size:14px;color:var(--lead)}
.journey h3{font-size:21px;margin:6px 0 10px}
.journey p{margin:0;color:var(--lead);font-size:15px}
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.avatar{width:72px;height:72px;border-radius:50%;border:1px solid var(--rule);display:flex;align-items:center;justify-content:center;font:700 20px var(--display);color:var(--lead);margin-bottom:18px}
.team h3{font-size:22px}
.team .role{color:var(--lead);margin:4px 0 10px;font-size:15px}
.team p{margin:0}
.places{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,40px)}
.places > div{border-top:1.5px solid var(--graphite);padding-top:20px}
.places h3{font-size:26px;margin-bottom:10px}
.places p{color:var(--lead);margin:0}
@media (max-width:1000px){.journey{grid-template-columns:1fr 1fr;row-gap:36px}.about-intro,.duo{grid-template-columns:1fr}.team{grid-template-columns:1fr}}
@media (max-width:640px){.journey,.places{grid-template-columns:1fr}}
.duo img{aspect-ratio:auto;height:clamp(260px,34vw,480px)}
.whyg{width:100%;height:auto;display:block;margin-bottom:22px;overflow:visible}
.whyg .t{font:500 13px var(--text);fill:var(--graphite)}
.whyg .t.b{font-weight:700}
.whyg .t.s{fill:var(--lead);font-size:12px}
.whyg .t.big{font:700 34px var(--display);letter-spacing:-.02em}
.whyg .track{fill:var(--rule);opacity:.6}
.whyg .fill{fill:var(--graphite)}
.whyg .open{fill:none;stroke:var(--graphite);stroke-width:1.4}
.whyg .axis{stroke:var(--graphite);stroke-width:1.5}
.whyg .tick{stroke:var(--graphite);stroke-width:1}
.why .n{display:none}
.logos{display:flex;flex-wrap:wrap;align-items:center;gap:36px 64px;margin:0;padding:28px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.logos li{border:0;background:none;height:auto;padding:0;display:block}
.logos img{height:52px;max-height:none;width:auto;max-width:200px}
@media (max-width:640px){.logos{gap:28px 36px}.logos img{height:40px;max-width:150px}}
.lp-ill{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:clamp(20px,3vw,40px);border-right:1px solid var(--rule)}
.lp-ill svg{width:min(100%,380px);height:auto}
.lp-ill .caption{margin:6px 0 0}
@media (max-width:1000px){.lp-ill{border-right:0;border-bottom:1px solid var(--rule)}}

/* ================================================================ v7 team portraits */
.team{grid-template-columns:repeat(4,1fr)}
.person .portrait{aspect-ratio:4/5;border-radius:3px;overflow:hidden;background:var(--gas-tint);margin-bottom:18px;position:relative}
.person .portrait img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:filter .6s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.person:hover .portrait img{transform:scale(1.03)}
.person .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font:700 clamp(36px,4vw,56px) var(--display);letter-spacing:-.02em;color:var(--lead);
  background:radial-gradient(circle at 1px 1px,color-mix(in srgb,var(--graphite) 14%,transparent) 1px,transparent 1.4px) 0 0/14px 14px}
@media (max-width:1000px){.team{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.team{grid-template-columns:1fr}}

/* ================================================================ v7 motion */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .28s ease both}
::view-transition-new(root){animation:vt-in .42s cubic-bezier(.2,.7,.2,1) both}
@keyframes vt-out{to{opacity:0;transform:translateY(-6px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(10px)}}

.progress{position:fixed;top:0;left:0;height:2px;width:100%;background:var(--graphite);transform-origin:0 50%;transform:scaleX(0);z-index:40;pointer-events:none}

/* hover affordances (always on, subtle) */
.news-card .img,.news-list .thumb{overflow:hidden}
.news-card img,.news-list .thumb img{transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.news-card:hover img,.news-list a:hover img{transform:scale(1.045)}
.btn{transition:background .2s,color .2s,transform .2s}
.btn:active{transform:translateY(1px)}
.logos img{transition:filter .35s,opacity .35s}
.logos li:hover img{filter:none;opacity:1}



@media (prefers-reduced-motion:no-preference){
  /* header tucks away while reading, returns on scroll up */
  .site-header{transition:border-color .2s,transform .35s cubic-bezier(.2,.7,.2,1),background .3s}
  .site-header.tuck{transform:translateY(-100%)}

  /* hero film */
  .hero-film video{animation:drift 18s ease-out both}
  @keyframes drift{from{transform:scale(1.09)}to{transform:scale(1)}}
  .js .hero-film h1 .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
  .js .hero-film h1 .w > span{display:inline-block;transform:translateY(105%);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:calc(.25s + var(--i) * .07s)}
  .js .hero-film .lead,.js .hero-film .actions{opacity:0;animation:fadeup .9s cubic-bezier(.2,.7,.2,1) forwards}
  .js .hero-film .lead{animation-delay:.85s}
  .js .hero-film .actions{animation-delay:1.05s}
  @keyframes rise{to{transform:none}}
  @keyframes fadeup{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
  .hero-film .cue{position:absolute;z-index:1;left:50%;bottom:22px;width:1px;height:46px;background:rgba(255,255,255,.25);overflow:hidden}
  .hero-film .cue::after{content:"";position:absolute;left:0;top:-50%;width:1px;height:50%;background:#fff;animation:cue 2.2s cubic-bezier(.6,0,.4,1) infinite 1.6s}
  @keyframes cue{to{top:100%}}

  /* generic reveal, staggered by --i */
  .js .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0) * 80ms)}
  .js .reveal.in{opacity:1;transform:none}
  .js .reveal-img{clip-path:inset(0 0 100% 0);transition:clip-path 1.1s cubic-bezier(.6,0,.2,1)}
  .js .reveal-img.in{clip-path:inset(0 0 0 0)}

  /* diagrams draw themselves */
  .js svg.draw :is(path,line,polyline,polygon,rect,circle,ellipse)[stroke],.js svg.draw :is(path,line,polyline){stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600)}
  .js svg.draw.in :is(path,line,polyline,polygon,rect,circle,ellipse)[stroke],.js svg.draw.in :is(path,line,polyline){transition:stroke-dashoffset 1.4s cubic-bezier(.5,0,.2,1);transition-delay:calc(var(--d,0) * 1ms);stroke-dashoffset:0}
  .js svg.draw text{opacity:0;transition:opacity .6s ease;transition-delay:calc(600ms + var(--d,0) * 1ms)}
  .js svg.draw.in text{opacity:1}

  /* why now */
  .js .whyg .fill:is(rect){transform-box:fill-box;transform-origin:0 50%;transform:scaleX(0);transition:transform 1.3s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0) * 150ms + 200ms)}
  .js .whyg.in .fill:is(rect){transform:none}
  .js .whyg circle{transform-box:fill-box;transform-origin:center;transform:scale(0);transition:transform .45s cubic-bezier(.3,1.5,.5,1);transition-delay:calc(var(--i,0) * 9ms)}
  .js .whyg.in circle{transform:none}
  .js .whyg .tick,.js .whyg .axis{stroke-dasharray:400;stroke-dashoffset:400;transition:stroke-dashoffset 1.2s ease .1s}
  .js .whyg.in .tick,.js .whyg.in .axis{stroke-dashoffset:0}

  /* chevrons nudge along each route, left to right */
  .route > div + div::after{content:"";position:absolute;z-index:1;left:-5px;top:28px;width:8px;height:8px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;transform:rotate(45deg);opacity:0}
  .route.in > div + div::after{animation:nudge 2.8s cubic-bezier(.6,0,.4,1) infinite}
  .route.in > div:nth-child(3)::after{animation-delay:.35s}
  .route.in > div:nth-child(4)::after{animation-delay:.7s}
  @keyframes nudge{0%{opacity:0;transform:translateX(-6px) rotate(45deg)}25%,60%{opacity:.55;transform:translateX(0) rotate(45deg)}100%{opacity:0;transform:translateX(6px) rotate(45deg)}}
}
@media (prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none}}
@media (max-width:1000px){.route > div + div::after{display:none!important}}
/* v7 activated carbon feature */
.mat-row{grid-template-columns:repeat(2,1fr)}
.ac-feature{grid-template-columns:5fr 6fr;margin-top:clamp(28px,4vw,48px)}
.ac-feature .lp-ill{order:2;border-right:0;border-left:1px solid var(--rule)}
.ac-feature .lp-text{order:1}
.whyg.ash{max-width:520px;width:100%;margin-bottom:12px}
.whyg.ash .part{fill:var(--paper);stroke:var(--graphite);stroke-width:1.4}
.whyg.ash .speck{fill:#9b8f7e}
.whyg.ash .pore{fill:none;stroke:var(--graphite);stroke-width:.8;opacity:.35}
.lp-ill .caption{text-align:center;max-width:44ch}
@media (max-width:1000px){.ac-feature .lp-ill{order:0;border-left:0}.mat-row{grid-template-columns:1fr}}

/* v8 contact */
.contact-hero{display:grid;grid-template-columns:6fr 5fr;gap:clamp(32px,5vw,80px);align-items:end;padding-top:clamp(48px,8vh,96px);padding-bottom:clamp(24px,4vh,48px)}
.contact-hero .lead{max-width:34em}
.next{list-style:none;margin:clamp(28px,4vh,44px) 0 0;padding:0;display:grid;gap:0;border-top:1px solid var(--rule)}
.next li{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--rule)}
.next span{width:30px;height:30px;border:1.5px solid var(--graphite);border-radius:50%;display:flex;align-items:center;justify-content:center;font:700 14px var(--display)}
.next h3{font-size:18px;margin:2px 0 4px}
.next p{margin:0;color:var(--lead);font-size:15px}
.contact-photo{margin:0}
.contact-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:3px;filter:saturate(.72)}
.contact-photo .caption{margin-top:10px}
.topics{border:0;margin:0 0 6px;padding:0}
.topics legend{font-weight:700;font-size:14px;margin-bottom:12px;padding:0}
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.tcard{position:relative;display:flex!important;flex-direction:column;gap:4px!important;padding:14px;border:1px solid var(--rule);border-radius:3px;background:#faf9f7;cursor:pointer;font-weight:400!important;transition:border-color .2s,background .2s,transform .2s}
.tcard:hover{border-color:var(--graphite)}
.tcard input{position:absolute;opacity:0;pointer-events:none}
.tcard .ti{height:44px;display:block}
.tcard .ti svg{width:44px;height:44px;display:block}
.tcard .ti:empty{height:0}
.tcard .tn{font:700 15px/1.25 var(--display);margin-top:6px}
.tcard .td{font-size:13px;color:var(--lead)}
.tcard:has(input:checked){border-color:var(--graphite);background:var(--paper);box-shadow:inset 0 0 0 1px var(--graphite)}
.tcard:has(input:checked)::after{content:"";position:absolute;top:12px;right:12px;width:10px;height:10px;border-radius:50%;background:var(--graphite)}
.tcard:has(input:focus-visible){outline:2px solid var(--graphite);outline-offset:2px}
.side{display:flex;flex-direction:column;gap:clamp(28px,4vh,40px)}
.side-box{background:var(--gas-tint);border-radius:3px;padding:clamp(20px,2.5vw,28px)}
.side-box h3{font-size:18px;margin-bottom:12px}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.checks li{position:relative;padding-left:24px;font-size:15px}
.checks li::before{content:"";position:absolute;left:2px;top:.45em;width:10px;height:6px;border-left:1.5px solid var(--graphite);border-bottom:1.5px solid var(--graphite);transform:rotate(-45deg)}
@media (max-width:1000px){.contact-hero{grid-template-columns:1fr}.contact-photo img{aspect-ratio:16/10}}

/* v8 lattice bands: feather the cropped edges so the structure fades in instead of being sliced */
.band-plate img,.site-footer .band img,.band img{
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 22%,#000 78%,transparent 100%);
          mask-image:linear-gradient(to bottom,transparent 0,#000 22%,#000 78%,transparent 100%)}
.band-plate{padding-top:clamp(32px,5vh,64px)}
.band-plate img{height:clamp(220px,26vw,400px)}
.contact-hero h1{margin-bottom:24px}
.tcard .sb{display:none}

/* v9 press */
.press-grid{display:grid;grid-template-columns:7fr 4fr;gap:clamp(28px,4vw,64px);align-items:start}
.boiler{border-top:1px solid var(--rule);padding:18px 0 26px}
.boiler .bh{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
.boiler h3{font-size:18px}
.boiler p{margin:0;max-width:62ch}
.copy{font:700 13px var(--text);background:none;border:1px solid var(--rule);border-radius:2px;padding:7px 12px;cursor:pointer;color:var(--graphite)}
.copy:hover{border-color:var(--graphite)}
.press-contact .btn{margin:6px 0}
.assets{list-style:none;margin:0 0 18px;padding:0;border-top:1px solid var(--rule)}
.assets a{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--rule);text-decoration:none;font-weight:700}
.assets .dl{font-weight:400;color:var(--lead);font-size:14px}
.assets a:hover .dl{color:var(--graphite)}
@media (max-width:1000px){.press-grid{grid-template-columns:1fr}}

/* ================================================================ v9 mobile */
@media (max-width:1000px){
  .ac-feature{grid-template-columns:1fr}
  .ac-feature .lp-text{padding:0 0 28px}
  .lead-product .lp-text{padding:0 0 28px}
}
@media (max-width:640px){
  .section{padding-block:clamp(48px,8vh,72px)}
  .page-head{padding-top:40px}
  h1{font-size:clamp(38px,11vw,52px)}
  /* diagrams keep readable labels: swipe sideways instead of shrinking */
  .diagram{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
  .diagram svg{min-width:600px}
  .diagram::after{content:"Swipe to see the full diagram";display:block;font-size:12px;color:var(--lead);margin-top:8px;position:sticky;left:0}
  /* platform routes: icon beside the text, tighter rows */
  .route > div{padding:16px 18px}
  .route > div:has(svg){display:grid;grid-template-columns:52px 1fr;column-gap:14px;align-items:start}
  .route > div:has(svg) .sp{grid-row:1/span 3;width:52px;height:52px;margin:0}
  .route .name{gap:12px}
  .route .v{font-size:18px}
  /* team: two portraits per row */
  .team{grid-template-columns:1fr 1fr;gap:22px 14px}
  .person .portrait{margin-bottom:12px}
  .person h3{font-size:17px}
  .person .role{font-size:13px}
  .person p:not(.role){font-size:14px;line-height:1.5}
  /* contact */
  .contact-photo{display:none}
  .contact-hero{padding-top:40px}
  .tgrid{grid-template-columns:1fr 1fr}
  /* why now and evidence */
  .why{gap:44px}
  .spec th,.spec td{display:block;padding-left:0;padding-right:0}
  .spec th{padding-bottom:2px;border-bottom:0}
  .spec td{padding-top:0}
  /* news list thumbnails */
  .news-list a{grid-template-columns:96px 1fr!important;gap:14px!important}
  .news-list .thumb{width:96px!important}
  /* logos: two per row */
  .logos{gap:22px 18px}
  .logos li{flex:0 0 calc(50% - 9px);display:flex;justify-content:center}
  .logos img{max-width:100%;height:40px}
  .press-grid .side-box{order:-1}
}

/* v10 strips and careers */
.band-plate img,.site-footer .band img,.band img{-webkit-mask-image:none;mask-image:none}
.band-plate{padding-top:clamp(48px,7vh,88px)}
.band-plate img{width:100%;height:auto;object-fit:contain;display:block}
.site-footer .band{padding:clamp(40px,6vh,64px) 0 8px}
.site-footer .band img{width:100%;height:auto;object-fit:contain;opacity:.5;display:block}
.careers-sec{border-top:1px solid var(--rule)}
.careers{display:grid;grid-template-columns:6fr 5fr;gap:clamp(28px,5vw,80px);align-items:end}
.careers h2{margin-bottom:18px}
.careers p{color:var(--lead);max-width:40em}
.careers .lead{color:var(--graphite)}
.careers .btn{margin-top:8px}
@media (max-width:1000px){.careers{grid-template-columns:1fr}}

/* v11 proof figures */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid #3a3936;border-bottom:1px solid #3a3936}
.stat{padding:clamp(28px,4vh,44px) clamp(14px,1.6vw,24px) clamp(24px,3.5vh,36px);position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:28px;bottom:28px;border-left:1px solid #3a3936}
.stat:first-child{padding-left:0}
.stat .fig{margin:0;font:700 clamp(44px,5.4vw,84px)/1 var(--display);letter-spacing:-.035em;color:var(--on-dark);white-space:nowrap}
.stat .u{font-size:.5em;letter-spacing:0;margin-left:.06em;color:var(--on-dark-2)}
.stat .lbl{margin:16px 0 0;font-size:15px;line-height:1.45;color:var(--on-dark-2);max-width:20ch}
.stats-foot{display:flex;flex-wrap:wrap;gap:10px 32px;margin:22px 0 0;font-size:14px;color:var(--on-dark-2)}
.stats-foot a{margin-left:auto;color:var(--on-dark)}

@media (max-width:1100px){.stats{grid-template-columns:repeat(3,1fr)}.stat:nth-child(4){padding-left:0}.stat:nth-child(4)::before{display:none}}
@media (max-width:640px){.stats{grid-template-columns:1fr 1fr}.stat{padding-left:0!important;padding-right:12px}.stat::before{display:none}.stat:nth-child(5){grid-column:1/-1}.stats-foot a{margin-left:0}}

/* v11 calmer homepage rhythm */
.has-film .section{padding-block:clamp(96px,14vh,168px)}
.has-film .section-head{margin-bottom:clamp(40px,6vh,72px)}
.has-film .mat-row{margin-top:clamp(24px,4vh,40px)}
@media (max-width:640px){.has-film .section{padding-block:clamp(56px,9vh,80px)}}
h1,h2,h3{text-wrap:balance}

/* v12 steadier motion */
.stat .fig,.spec strong,.whyg text{font-variant-numeric:tabular-nums}
@media (prefers-reduced-motion:no-preference){
  .hero-film video{animation:none}
  ::view-transition-old(root){animation:vt-fade .2s ease both}
  ::view-transition-new(root){animation:vt-fade .3s ease reverse both}
  @keyframes vt-fade{to{opacity:0}}
  .js .reveal{transform:translateY(12px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0) * 70ms)}
  .js .reveal.in{transform:none}
  /* diagrams: one clean wipe instead of hundreds of strokes animating */
  .js svg.draw :is(path,line,polyline,polygon,rect,circle,ellipse){stroke-dasharray:none!important;stroke-dashoffset:0!important;transition:none!important}
  .js svg.draw text{opacity:1!important;transition:none!important}
  .js svg.draw{clip-path:inset(0 100% 0 0);transition:clip-path 1.1s cubic-bezier(.6,0,.2,1)}
  .js svg.draw.in{clip-path:inset(0 0 0 0)}
  /* why-now dots fade rather than pop */
  .js .whyg circle{transform:none!important;opacity:0;transition:opacity .4s ease;transition-delay:calc(var(--i,0) * 6ms)}
  .js .whyg.in circle{opacity:1}
}
/* v12: no chevrons on the route dividers */
.route > div + div::after{display:none!important;animation:none!important}
/* v12: lattice strip sits on the light page, just above the footer */
.pre-footer{padding:clamp(24px,4vh,40px) 0 0;background:var(--paper);line-height:0}
.pre-footer img{width:100%;height:auto;display:block;opacity:.55}
.site-footer{padding-top:clamp(48px,7vh,72px)}

/* ================================================================ v13 materials: product sheets */
.jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:-8px;margin-bottom:8px}
.jump a{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--rule);border-radius:40px;text-decoration:none;font-size:14px;font-weight:700}
.jump a span{width:9px;height:9px;border-radius:50%;background:var(--acc)}
.jump a:hover{border-color:var(--graphite)}
.sheets{display:grid;gap:clamp(56px,9vh,104px)}
.sheet{display:grid;grid-template-columns:5fr 7fr;gap:clamp(28px,4vw,64px);align-items:start;scroll-margin-top:96px}
.sheet.flip .sh-art{order:2}
.sh-art{position:sticky;top:110px;aspect-ratio:1;border-radius:4px;background:color-mix(in srgb,var(--acc) 14%,var(--paper));display:flex;align-items:center;justify-content:center;overflow:hidden}
.sh-art::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 1px 1px,color-mix(in srgb,var(--acc) 30%,transparent) 1px,transparent 1.3px) 0 0/16px 16px;opacity:.6}
.sh-art svg{position:relative;width:64%;height:auto}
.sh-art .sb{display:none}
.sh-tag{position:absolute;left:16px;top:16px;font-size:12px;font-weight:700;padding:5px 10px;border-radius:3px;background:var(--paper);color:var(--acc);border:1px solid color-mix(in srgb,var(--acc) 40%,transparent)}
.sh-status{display:flex;align-items:center;gap:9px;margin:0 0 10px;font-size:14px;color:var(--lead)}
.sh-status span{width:8px;height:8px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 22%,transparent)}
.sheet h2{font-size:clamp(32px,3.4vw,48px);margin:0 0 14px;border-top:3px solid var(--acc);padding-top:18px;display:inline-block}
.sh-desc{color:var(--lead);max-width:56ch;margin:0 0 24px}
.sh-props{display:grid;grid-template-columns:1fr 1fr;margin:0 0 26px;border-top:1px solid var(--rule)}
.sh-props div{padding:14px 18px 14px 0;border-bottom:1px solid var(--rule)}
.sh-props dt{font-size:13px;color:var(--lead);margin-bottom:4px}
.sh-props dd{margin:0;font:700 18px/1.3 var(--display);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.sh-cols{display:grid;grid-template-columns:3fr 2fr;gap:28px;margin-bottom:18px}
.sh-cols h3{font-size:14px;font-weight:700;margin:0 0 8px}
.sh-cols ul{margin:0;padding:0;list-style:none}
.sh-cols li{position:relative;padding-left:16px;margin-bottom:6px;font-size:15px}
.sh-cols li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:2px;background:var(--acc)}
.sh-cols p{margin:0;font-size:15px;color:var(--lead)}
.sh-note{font-size:14px;color:var(--lead);margin:0 0 18px;padding:10px 14px;border-left:3px solid var(--acc);background:color-mix(in srgb,var(--acc) 7%,transparent)}
@media (max-width:1000px){.sheet{grid-template-columns:1fr}.sheet.flip .sh-art{order:0}.sh-art{position:relative;top:0;aspect-ratio:16/10}.sh-art svg{width:auto;height:72%}}
@media (max-width:640px){.sh-props{grid-template-columns:1fr}.sh-cols{grid-template-columns:1fr;gap:16px}}

/* comparison tables */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px)}
.cmp h3{font-size:20px;margin-bottom:14px}
.cmp-t{width:100%;border-collapse:collapse;font-size:15px}
.cmp-t th,.cmp-t td{text-align:left;vertical-align:top;padding:12px 12px 12px 0;border-top:1px solid var(--rule)}
.cmp-t thead th{font-size:13px;color:var(--lead);font-weight:700;border-top:0;padding-bottom:8px}
.cmp-t tbody th{font-weight:400;color:var(--lead);width:26%}
.cmp-t .us{font-weight:700;color:var(--graphite);background:color-mix(in srgb,var(--graphite) 5%,transparent);padding-left:12px}
.cmp-t thead .us{color:var(--graphite)}
.cmp-note{font-size:13px;color:var(--lead);margin-top:10px}
@media (max-width:1000px){.compare{grid-template-columns:1fr}}
@media (max-width:640px){.cmp{overflow-x:auto}.cmp-t{min-width:560px}}

/* application finder */
.finder{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule)}
.app{padding:20px 20px 20px 0;border-bottom:1px solid var(--rule)}
.app h3{font-size:18px;margin-bottom:10px}
.app p{margin:0;display:flex;flex-wrap:wrap;gap:8px}
.app a{font-size:14px;text-decoration:none;padding:5px 10px;border-radius:30px;border:1px solid color-mix(in srgb,var(--acc) 45%,transparent);color:var(--graphite);background:color-mix(in srgb,var(--acc) 10%,transparent)}
.app a:hover{background:color-mix(in srgb,var(--acc) 22%,transparent)}
@media (max-width:1000px){.finder{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.finder{grid-template-columns:1fr}}

/* ================================================================ v13 platforms: process flow and timeline */
.flow{margin:0 0 clamp(24px,4vh,40px);padding:clamp(18px,2.5vw,32px);border:1px solid var(--rule);border-radius:4px;background:#f6f5f2}
.pfd{width:100%;height:auto;display:block}
.pfd .b-in{fill:var(--paper);stroke:var(--graphite);stroke-width:1.4;stroke-dasharray:5 4}
.pfd .b-proc{fill:var(--paper);stroke:var(--graphite);stroke-width:1.6}
.pfd .b-prod{fill:var(--graphite)}
.pfd .b-side{fill:var(--gas-tint);stroke:var(--lead);stroke-width:1}
.pfd .t1{font:700 16px var(--display);fill:var(--graphite)}
.pfd .t2{font:400 12.5px var(--text);fill:var(--lead)}
.pfd .t3{font:400 11px var(--text);fill:var(--lead)}
.pfd .t-prod{fill:var(--paper)}
.pfd .t2.t-prod{fill:#c9c8c4}
.pfd .ln{stroke:var(--graphite);stroke-width:1.4;fill:none}
.pfd .ln.dash{stroke-dasharray:4 4}
.pfd .ahd{fill:var(--graphite)}
@media (max-width:640px){.flow{overflow-x:auto}.pfd{min-width:720px}}

.tracks{display:grid;gap:clamp(32px,5vh,48px)}
.track h3{font-size:16px;color:var(--lead);font-weight:700;margin-bottom:18px}
.track ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);position:relative}
.track ol::before{content:"";position:absolute;left:0;right:0;top:7px;border-top:2px solid var(--rule)}
.track li{position:relative;padding-right:20px}
.track .dot{display:block;width:16px;height:16px;border-radius:50%;background:var(--paper);border:2px solid var(--rule);position:relative;margin-bottom:16px}
.track li.done .dot{background:var(--graphite);border-color:var(--graphite)}
.track li.done::after{content:"";position:absolute;left:0;right:0;top:7px;border-top:2px solid var(--graphite);z-index:0}
.track li .dot{z-index:1}
.track li.now .dot{background:var(--paper);border-color:var(--graphite);box-shadow:0 0 0 5px color-mix(in srgb,var(--graphite) 12%,transparent)}
.track li.now .dot::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--graphite)}
.track h4{font:700 18px/1.25 var(--display);margin:0 0 6px}
.track p{margin:0;font-size:14px;color:var(--lead)}
.track li.todo h4,.track li.todo p{color:var(--lead)}
.track em{display:inline-block;margin-top:10px;font-style:normal;font-size:12px;font-weight:700;padding:3px 9px;border-radius:20px;background:var(--graphite);color:var(--paper)}
@media (prefers-reduced-motion:no-preference){.track li.now .dot{animation:pulse 2.4s ease-in-out infinite}@keyframes pulse{50%{box-shadow:0 0 0 9px color-mix(in srgb,var(--graphite) 5%,transparent)}}}
@media (max-width:760px){.track ol{grid-template-columns:1fr;gap:18px;padding-left:28px}.track ol::before{left:7px;right:auto;top:0;bottom:0;border-top:0;border-left:2px solid var(--rule)}.track li{padding-right:0}.track li.done::after{display:none}.track .dot{position:absolute;left:-28px;top:2px;margin:0}}
@media (max-width:640px){.sh-props{grid-template-columns:1fr 1fr}.sh-props div{padding-right:12px}.sh-props dd{font-size:16px}}
.sh-props div:last-child:nth-child(odd){grid-column:1/-1}
.sh-status span{margin-left:4px;flex:none}

/* v14 compact sheets */
.sheets{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,2.5vw,32px)}
.sheet{display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:start;padding:clamp(22px,2.6vw,32px);border:1px solid var(--rule);border-top:3px solid var(--acc);border-radius:4px;background:color-mix(in srgb,var(--acc) 4%,var(--paper))}
.sheet.flip .sh-art{order:0}
.sh-art{position:relative;top:0;aspect-ratio:1;width:150px;border-radius:3px;background:color-mix(in srgb,var(--acc) 13%,var(--paper))}
.sh-art svg{width:78%}
.sh-art::before{opacity:.45}
.sh-tag{position:static;display:inline-block;margin-bottom:10px;background:none;border:0;padding:0;font-size:13px;color:var(--acc)}
.sheet h2{font-size:clamp(24px,2.2vw,30px);border-top:0;padding-top:0;margin:0 0 8px;display:block}
.sh-desc{font-size:15px;margin:0 0 18px}
.sh-props{grid-template-columns:repeat(3,1fr);margin:0 0 16px}
.sh-props div{padding:10px 10px 10px 0}
.sh-props dt{font-size:12px}
.sh-props dd{font-size:16px}
.sh-props div:last-child:nth-child(odd){grid-column:auto}
.sh-use{font-size:14px;color:var(--lead);margin:0 0 14px}
.sh-use strong{color:var(--graphite);margin-right:4px}
.sh-link{font-weight:700;font-size:15px}

@media (max-width:1100px){.sheets{grid-template-columns:1fr}}
@media (max-width:560px){.sheet{grid-template-columns:1fr}.sh-art{width:100%;aspect-ratio:16/9}.sh-art svg{width:auto;height:80%}.sh-props{grid-template-columns:repeat(3,1fr)}}

/* ================================================================ v15 richer, still smooth (transform, opacity and clip-path only) */
@media (prefers-reduced-motion:no-preference){
  /* hero: slow settle on its own compositor layer */
  .hero-film video{will-change:transform;transform:translateZ(0);animation:settle 14s cubic-bezier(.2,.6,.2,1) both}
  @keyframes settle{from{transform:scale(1.07) translateZ(0)}to{transform:scale(1) translateZ(0)}}
  /* headings rise from behind a mask */
  .js .rise .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
  .js .rise .w > span{display:inline-block;transform:translateY(105%);transition:transform .9s cubic-bezier(.2,.75,.2,1);transition-delay:calc(var(--i) * 55ms)}
  .js .rise.in .w > span{transform:none}
  /* photos open upwards, with a gentle zoom out */
  .js .reveal-img{clip-path:inset(100% 0 0 0);transform:scale(1.06);transition:clip-path 1.2s cubic-bezier(.6,0,.2,1),transform 1.6s cubic-bezier(.2,.6,.2,1)}
  .js .reveal-img.in{clip-path:inset(0 0 0 0);transform:none}
  /* step diagrams: outlines and arrows draw, everything else fades in */
  .js svg.draw2{opacity:0;transition:opacity .8s ease .15s}
  .js svg.draw2.in{opacity:1}
  .js svg.draw2 .dl{stroke-dasharray:var(--len);stroke-dashoffset:var(--len)}
  .js svg.draw2.in .dl{stroke-dashoffset:0;transition:stroke-dashoffset 1.3s cubic-bezier(.5,0,.2,1);transition-delay:calc(var(--d,0) * 1ms)}
  /* platform rows: cells arrive left to right, icons settle in */
  .js .route > div.reveal .sp{transform:scale(.8) rotate(-8deg);opacity:0;transition:transform .9s cubic-bezier(.2,.8,.2,1) .15s,opacity .6s ease .15s;transition-delay:calc(var(--i,0) * 90ms + 150ms)}
  .js .route > div.reveal.in .sp{transform:none;opacity:1}
  .js .route > div.reveal{transition-delay:calc(var(--i,0) * 90ms)}
  /* specimens float a little on hover */
  .sh-art svg,.mat-row .mat-icon svg,.route .sp{transition:transform .8s cubic-bezier(.2,.8,.2,1)}
  .sheet:hover .sh-art svg,.mat-row a:hover .mat-icon svg{transform:translateY(-6px) rotate(-3deg) scale(1.03)}
}
/* v16 careers: room under the divider */
.wrap.careers-sec{padding-top:clamp(56px,8vh,96px)}
.careers{align-items:start}
.careers > div:last-child{padding-top:clamp(8px,1.6vw,22px)}
.careers .lead{margin-top:6px}
.careers .btn{margin-top:18px}
.tcard .tn,.tcard .td{text-wrap:pretty;overflow-wrap:break-word;hyphens:manual}
.tcard{min-height:150px}
/* v17 project facts */
.facts{display:grid;grid-template-columns:1fr 1fr;margin:0 0 clamp(32px,5vh,48px);border:1px solid var(--rule);border-radius:4px;background:#f6f5f2}
.facts div{padding:16px 20px;border-bottom:1px solid var(--rule)}
.facts div:nth-child(odd){border-right:1px solid var(--rule)}
.facts div:nth-last-child(-n+2){border-bottom:0}
.facts dt{font-size:13px;color:var(--lead);margin-bottom:4px}
.facts dd{margin:0;font:700 16px/1.35 var(--display)}
@media (max-width:640px){.facts{grid-template-columns:1fr}.facts div:nth-child(odd){border-right:0}.facts div:nth-last-child(2){border-bottom:1px solid var(--rule)}}
.recog{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule)}
.recog li{padding:20px 20px 20px 0;border-bottom:1px solid var(--rule)}
.recog strong{display:block;font:700 19px/1.3 var(--display);margin-bottom:4px}
.recog span{color:var(--lead);font-size:15px}
@media (max-width:760px){.recog{grid-template-columns:1fr}}

/* ================================================================ v18 type scale: 56 / 28 / 22 / 18 (plus page titles) */
.lp-text h3,.step-text h3,.project h3,.projects a h3,.sheet h2,.prose h2{font-size:clamp(24px,2.1vw,28px);line-height:1.15;letter-spacing:-.015em}
.news-card h3,.journey h3,.points h3,.why h3,.team h3,.mat-row h3,.recog strong,.track h4,.cmp h3{font-size:clamp(19px,1.6vw,22px);line-height:1.25}
.side-box h3,.boiler h3,.next h3,.prose h4{font-size:18px;line-height:1.3}
/* hover: links and controls respond, illustrations stay put */
.sheet:hover .sh-art svg,.mat-row a:hover .mat-icon svg{transform:none!important}
.sh-link,.after a,.stats-foot a{text-underline-offset:4px}
.sh-link:hover,.after a:hover,.stats-foot a:hover{text-decoration-thickness:2px}
.places h3{font-size:clamp(24px,2.1vw,28px);line-height:1.15}
.offices h3{font-size:18px;line-height:1.3}
/* v19 legal */
.base{align-items:center}
.legal-links{display:flex;gap:18px}
.legal-links a{color:inherit}
.form-note{flex-basis:100%;margin:6px 0 0;font-size:14px;color:var(--lead)}
.prose.legal h3{font-size:22px;margin-top:36px}
.prose.legal p{font-size:17px}