:root{
  --ink:#0e4a26; --ink-2:#145a30; --ink-3:#1c7a40;
  --green:#ffe01a; --green-d:#1c8a43; --green-l:#e2f2e7; --yellow:#ffe01a;
  --bg:#ffffff; --bg-alt:#e8f4ec; --line:#c9e0d1; --text:#17391f; --muted:#3f6a4c;
  --r:14px; --max:1180px; --pad:clamp(20px,4vw,40px);
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
h1,h2,h3,h4{line-height:1.15;margin:0;letter-spacing:-.015em;font-weight:600}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.wrap{width:min(100% - 2*var(--pad),var(--max));margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--green-d);outline-offset:3px;border-radius:4px}

/* header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;color:#fff;transition:background .25s,box-shadow .25s}
.site-header.solid{background:rgba(14,74,38,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.bar{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .ring{color:var(--green);stroke:var(--green)}
.brand svg{color:#fff}
.brand-name{font-weight:700;font-size:1.15rem;letter-spacing:.02em;display:flex;flex-direction:column;line-height:1}
.brand-name small{font-weight:400;font-size:.68rem;opacity:.7;letter-spacing:.08em;margin-top:4px}
.nav{display:flex;gap:6px;margin-left:auto}
.nav a{text-decoration:none;font-size:.93rem;padding:8px 12px;border-radius:8px;opacity:.85;transition:background .15s,opacity .15s}
.nav a:hover,.nav a.on{opacity:1;background:rgba(255,255,255,.1)}
.tools{display:flex;align-items:center;gap:10px}
.lang{display:flex;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:2px}
.lang button{font:600 .78rem var(--sans);letter-spacing:.06em;color:#fff;background:none;border:0;padding:5px 11px;border-radius:999px;cursor:pointer;opacity:.75}
.lang button[aria-pressed=true]{background:var(--green);opacity:1}
.burger{display:none;width:42px;height:42px;background:none;border:1px solid rgba(255,255,255,.3);border-radius:10px;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:#fff;transition:transform .2s,top .2s}
.burger span:first-child{top:16px}.burger span:last-child{top:24px}
.burger[aria-expanded=true] span:first-child{top:20px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:20px;transform:rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:min(100svh,860px);display:flex;align-items:flex-end;color:#fff;background:var(--ink);overflow:hidden;padding:140px 0 56px}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,74,38,.94) 0%,rgba(14,74,38,.7) 45%,rgba(14,74,38,.25) 100%),linear-gradient(0deg,rgba(14,74,38,.9) 0%,transparent 45%)}
.hero-in{position:relative;z-index:2}
.eyebrow{font-family:var(--mono);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:18px;font-weight:500}
.hero h1{font-size:clamp(2.2rem,5.6vw,4.4rem);max-width:15em;font-weight:600}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:40em;color:rgba(255,255,255,.82);margin:22px 0 32px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:.98rem;text-decoration:none;transition:transform .15s,background .15s,border-color .15s;border:1.5px solid transparent}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--green);color:#04150c}
.btn-primary:hover{background:#ffe866}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-ghost-dark{border-color:var(--ink);color:var(--ink)}
.btn-ghost-dark:hover{background:var(--ink);color:#fff}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:64px 0 0;border-top:1px solid rgba(255,255,255,.2)}
.facts div{padding:20px 20px 0 0}
.facts dt{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.facts dd{margin:6px 0 0;font-size:1.02rem;font-weight:500}

/* sections */
.sec{padding:clamp(64px,10vw,120px) 0}
.sec-alt{background:var(--bg-alt)}
.sec-dark{background:var(--ink);color:#fff}
.head{margin-bottom:clamp(32px,5vw,56px);max-width:44rem}
.head .sub{color:var(--text);font-size:.92rem;margin-top:12px}
.kicker{font-family:var(--sans);font-size:clamp(2.4rem,5.2vw,4rem);line-height:1.05;letter-spacing:-.02em;font-weight:700;color:var(--green-d);margin:0 0 16px}
.sec-dark .kicker{color:var(--green)}
h2{font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.4;font-weight:500;letter-spacing:0}
h3{font-size:1.7rem}

.about{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(32px,6vw,88px);align-items:start}
.prose p{color:#2b4f38}
.prose p:first-child{font-size:1.12rem;color:var(--text)}

/* services */
.svc{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center;padding:clamp(28px,4vw,48px) 0;border-top:1px solid var(--line)}
.svc:first-of-type{border-top:0;padding-top:0}
.svc.flip .svc-text{order:2}
.num{font-family:var(--mono);font-size:.82rem;color:var(--green-d);letter-spacing:.1em;display:block;margin-bottom:14px}
.svc h3,.svc3d h3,.audit h3{font-size:clamp(1.9rem,3.4vw,2.6rem);margin-bottom:18px}
.svc p,.svc3d p,.audit p{color:#2b4f38}
.svc-fig{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;padding:10px}
.svc-fig img{width:100%;border-radius:8px}
.ticks li{position:relative;padding-left:28px;margin:.45em 0;font-weight:500}
.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:14px;height:8px;border-left:2.5px solid var(--green-d);border-bottom:2.5px solid var(--green-d);transform:rotate(-45deg) scale(.9)}
.svc3d{padding:clamp(28px,4vw,48px) 0;border-top:1px solid var(--line)}
.svc3d-head{max-width:46rem;margin-bottom:36px}
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%;background:#e9eeeb}
.card-b{padding:22px 22px 26px}
.card h4{font-size:1.3rem;margin-bottom:10px}
.card p{font-size:.88rem;margin:0;color:var(--text)}
.audit{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);border-top:1px solid var(--line);padding-top:clamp(28px,4vw,48px)}
.audit .num{grid-column:1/-1;margin:0 0 -8px}
.audit>div:nth-of-type(2) p{font-size:.98rem}

/* current project */
.cur{display:grid;grid-template-columns:1.5fr .7fr;gap:clamp(28px,6vw,80px);align-items:start}
.cur h2{margin-bottom:24px;max-width:30em}
.cur p{color:rgba(255,255,255,.78)}
.cur .btn{margin-top:12px}
.std{display:block;background:#fff;border-radius:10px;padding:8px;transform:rotate(1.8deg);box-shadow:0 30px 60px -20px rgba(0,0,0,.6);transition:transform .25s}
.std:hover{transform:rotate(0)}
.std img{border-radius:4px;width:100%}
.configs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:clamp(40px,6vw,72px)}
.configs figure{margin:0;background:#fff;border-radius:var(--r);overflow:hidden;color:var(--text)}
.configs img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top}
.configs figcaption{padding:14px 18px 18px;font-size:.84rem;color:var(--text);line-height:1.4}

/* architecture */
.arch{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.acard{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.acard img{aspect-ratio:3/2;object-fit:cover;width:100%;transition:transform .5s}
.acard:hover img{transform:scale(1.03)}
.acard{overflow:hidden}
.acard-b{padding:22px 24px 26px}
.acard h3{font-size:1.5rem;margin-bottom:8px}
.acard p{color:var(--text);font-size:.88rem;margin-bottom:.8em}
.link{font-weight:600;text-decoration:none;color:var(--green-d);border-bottom:2px solid var(--green-l)}
.link:hover{border-color:var(--green-d)}
.more-video{margin-top:44px;border-top:1px solid var(--line);padding-top:28px}
.more-video h3{font-size:1.1rem;margin-bottom:12px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em;font-size:.8rem;color:var(--muted);font-weight:500}
.more-video a{display:flex;justify-content:space-between;gap:20px;padding:16px 4px;border-bottom:1px solid var(--line);text-decoration:none;transition:padding .2s,color .2s}
.more-video a:hover{padding-left:12px;color:var(--green-d)}
.more-video i{font-style:normal;color:var(--green-d)}
.aero{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(24px,5vw,64px);align-items:center;margin-top:clamp(48px,7vw,88px)}
.aero figure{margin:0}
.aero img{border-radius:var(--r);border:1px solid var(--line)}
.aero figcaption{font-size:.85rem;color:var(--muted);margin-top:10px}
.aero h3{font-size:1.9rem;margin-bottom:14px}
.aero p{color:#2b4f38}

/* references */
.refs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px}
.refs button{width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 12px 16px;cursor:pointer;font:inherit;text-align:left;transition:transform .2s,box-shadow .2s,border-color .2s}
.refs button:hover{transform:translateY(-4px);box-shadow:0 18px 30px -18px rgba(14,74,38,.35);border-color:var(--green-d)}
.refs img{aspect-ratio:3/4;object-fit:cover;object-position:top;width:100%;border-radius:6px;border:1px solid var(--line);margin-bottom:12px}
.refs span{font-weight:600;font-size:.98rem}

/* publications */
.pubs{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(32px,6vw,88px)}
.articles li a{display:flex;flex-direction:column;gap:4px;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none;transition:padding .2s}
.articles li:first-child a{border-top:1px solid var(--line)}
.articles li a:hover{padding-left:12px}
.articles .t{font-weight:600;font-size:1.05rem;line-height:1.35}
.articles li a:hover .t{color:var(--green-d)}
.articles .m{font-family:var(--mono);font-size:.78rem;color:var(--muted);letter-spacing:.04em}
.nl{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:10px;margin-bottom:18px}
.nl a{display:flex;flex-direction:column;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-family:var(--mono);font-size:.78rem;color:var(--muted);transition:background .15s,border-color .15s,color .15s}
.nl b{font-size:1.35rem;color:var(--text);font-weight:500;line-height:1.1}
.nl a:hover{background:var(--green-l);border-color:var(--green-d);color:var(--green-d)}
.note{font-size:.88rem;color:var(--muted)}

/* ip */
.ip{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.ipcard{display:flex;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.ipcard>img{width:96px;flex:none;border:1px solid var(--line);border-radius:4px}
.ipcard .pair{flex:none;width:min(48%,230px);display:grid;gap:8px}
.ipcard .pair img{border:1px solid var(--line);border-radius:6px}
.ipcard h3{font-family:var(--mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:500;margin-bottom:10px}
.big{font-size:1.7rem;font-weight:600;line-height:1.15;margin:0 0 6px}
.mono{font-family:var(--mono);font-size:.88rem;color:var(--muted);margin:0}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,88px);align-items:start}
.contact h2{margin-bottom:20px}
.lead2{color:rgba(255,255,255,.75);font-size:1.12rem;margin-bottom:28px;max-width:28em}
.cinfo{display:grid;grid-template-columns:1fr 1fr;gap:28px 32px;margin:0}
.cinfo dt{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin-bottom:8px}
.cinfo dd{margin:0;color:rgba(255,255,255,.88);line-height:1.6}
.cinfo a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3)}
.cinfo a:hover{border-color:var(--green);color:var(--green)}
.contact .mono{color:rgba(255,255,255,.55)}
.privacy{grid-column:1/-1;font-size:.82rem;color:rgba(255,255,255,.5);border-top:1px solid rgba(255,255,255,.14);padding-top:24px;margin:24px 0 0;max-width:60rem}

.foot{background:#0a3a1d;color:rgba(255,255,255,.6);font-size:.88rem;padding:24px 0}
.foot-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.flinks{display:flex;gap:24px}
.flinks a{text-decoration:none}.flinks a:hover{color:#fff}

/* lightbox */
dialog{border:0;border-radius:var(--r);padding:0;background:#fff;max-width:min(94vw,760px);max-height:94vh;overflow:auto}
dialog::backdrop{background:rgba(8,52,27,.78);backdrop-filter:blur(4px)}
#lb-img{width:100%;max-height:82vh;object-fit:contain;background:#f3f6f4}
#lb-cap{margin:0;padding:12px 20px;font-weight:600}
.lb-x{position:absolute;top:10px;right:10px;width:38px;height:38px;border-radius:50%;border:0;background:var(--ink);color:#fff;font-size:1.4rem;line-height:1;cursor:pointer;z-index:2}

/* reveal */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .acard:hover img,.btn:hover,.std{transform:none}
}

/* responsive */
@media (max-width:1120px){
  .burger{display:block}
  .nav{position:fixed;inset:72px 0 auto 0;background:rgba(14,74,38,.97);flex-direction:column;padding:12px var(--pad) 24px;gap:0;margin:0;transform:translateY(-120%);transition:transform .3s;visibility:hidden}
  .nav.open{transform:none;visibility:visible}
  .nav a{padding:14px 4px;font-size:1.05rem;border-bottom:1px solid rgba(255,255,255,.1);border-radius:0}
  .tools{margin-left:auto}
  .about,.svc,.audit,.cur,.pubs,.aero,.contact{grid-template-columns:1fr}
  .svc.flip .svc-text{order:0}
  .cards3,.arch,.configs{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr}
  .ip{grid-template-columns:1fr}
  .std{max-width:320px;transform:none}
}
@media (max-width:560px){
  body{font-size:16px}
  .facts{grid-template-columns:1fr}
  .cinfo{grid-template-columns:1fr}
  .ipcard{flex-direction:column;align-items:flex-start}
  .ipcard .pair{width:100%}
  .brand-name small{display:none}
}

.arch .pair2{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.arch .pair2 img{aspect-ratio:3/2;object-fit:cover}
.links2{display:flex;flex-wrap:wrap;gap:6px 22px}

.kicker-black{color:#000}
.sites{background:var(--green);padding:clamp(48px,7vw,80px) 0}
.sites .kicker{color:var(--ink);margin-bottom:28px}
.sitegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sitecard{display:flex;flex-direction:column;gap:10px;background:var(--ink);color:#fff;border-radius:var(--r);padding:30px 30px 26px;text-decoration:none;transition:transform .2s,box-shadow .2s;min-height:230px}
.sitecard:hover{transform:translateY(-5px);box-shadow:0 24px 40px -22px rgba(14,74,38,.8)}
.sitecard .sc-k{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}
.sitecard strong{font-size:clamp(1.6rem,2.6vw,2.1rem);line-height:1.1;font-weight:700}
.sitecard .sc-d{font-size:.95rem;color:rgba(255,255,255,.82)}
.sitecard .sc-go{margin-top:auto;font-weight:700;color:var(--green);font-size:1.05rem}
@media (max-width:860px){.sitegrid{grid-template-columns:1fr}.sitecard{min-height:0}}

.nav a.nav-cta{background:var(--green);color:var(--ink);font-weight:700;opacity:1;margin-left:6px}
.nav a.nav-cta:hover,.nav a.nav-cta.on{background:#ffe866;color:var(--ink)}
@media (max-width:1120px){.nav a.nav-cta{margin:14px 0 0;padding:14px 18px;border-radius:999px;border:0;text-align:center}}