:root{--bg:#05080d;--bg2:#0a1018;--card:#0e1621;--line:#1c2a3a;--tx:#e8eef5;--mu:#8fa1b5;--bl:#1e8fd0;--bl2:#46c1ff;--gr:#4fd1a1;--r:20px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{background:var(--bg);color:var(--tx);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
.wrap{width:min(1200px,92%);margin:0 auto}
.muted{color:var(--mu)}
.skip{position:absolute;left:-999px}
h1,h2,h3,h4{line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,4.2vw,3.2rem);margin:.5rem 0 1rem;font-weight:700}
h3{font-size:1.25rem}h4{font-size:1rem}
.eyebrow{color:var(--bl2);text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:600}
.grad{background:linear-gradient(90deg,var(--bl2),var(--gr));-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(5,8,13,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.hdr-in{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.08em;font-size:.85rem;line-height:1.1}
.brand img{border-radius:8px}.brand b{display:block;font-weight:500;color:var(--mu);letter-spacing:.2em;font-size:.62rem}
.nav{display:flex;gap:22px;margin-left:auto;font-size:.9rem;color:var(--mu)}
.nav a:hover,.nav a.on{color:#fff}
.hdr-r{display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px}
.lang button{font-size:.68rem;font-weight:600;padding:4px 7px;border-radius:999px;color:var(--mu)}
.lang button.on{background:var(--bl);color:#fff}
.burger{display:none;width:38px;height:38px;position:relative}
.burger i{position:absolute;left:9px;right:9px;height:2px;background:#fff;transition:.25s}.burger i:first-child{top:15px}.burger i:last-child{top:22px}
.burger.open i:first-child{top:18px;transform:rotate(45deg)}.burger.open i:last-child{top:18px;transform:rotate(-45deg)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;background:linear-gradient(135deg,var(--bl),#1573b0);color:#fff;font-weight:600;box-shadow:0 0 0 0 rgba(70,193,255,.5),0 10px 30px -10px rgba(30,143,208,.8);transition:.25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 0 0 6px rgba(70,193,255,.12),0 14px 34px -8px rgba(30,143,208,.9)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.22);box-shadow:none}.btn.ghost:hover{background:rgba(255,255,255,.06)}
.btn-sm{padding:9px 16px;font-size:.85rem;white-space:nowrap}
.btn.wa{background:#1fa855;margin:14px 0;width:100%}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:radial-gradient(1100px 600px at 70% 20%,#0d2236 0%,transparent 60%),var(--bg)}
#hc{position:absolute;inset:0;width:100%;height:100%}
.hero-fade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,13,.3),rgba(5,8,13,.15) 40%,var(--bg))}
.hero-in{position:relative;padding:120px 0 90px}
.hero-logo{border-radius:20px;margin-bottom:26px;box-shadow:0 0 60px rgba(70,193,255,.35)}
.hero h1{font-size:clamp(2.2rem,7vw,5.6rem);font-weight:800;max-width:14ch;letter-spacing:-.035em}
.tag1{font-size:clamp(1.05rem,2.2vw,1.6rem);margin-top:22px;font-weight:500}
.tag2{display:inline-flex;align-items:center;gap:10px;margin-top:14px;padding:8px 18px;border:1px solid rgba(79,209,161,.45);border-radius:999px;color:var(--gr);font-weight:600;background:rgba(79,209,161,.08)}
.tag2 i{width:8px;height:8px;border-radius:50%;background:var(--gr);box-shadow:0 0 12px var(--gr);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.35}}
.lead{max-width:56ch;color:var(--mu);margin-top:22px;font-size:1.1rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.scroll{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mu)}
.scroll i{width:1px;height:34px;background:linear-gradient(var(--bl2),transparent);animation:sc 2s infinite}
@keyframes sc{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* stats */
.stats{border-block:1px solid var(--line);background:var(--bg2)}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:44px 24px;border-right:1px solid var(--line)}.stat:last-child{border:0}
.stat b{display:block;font-size:clamp(2.4rem,5vw,4rem);font-weight:800;letter-spacing:-.03em;background:linear-gradient(180deg,#fff,var(--bl2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.stat span{display:block;margin-top:10px;color:var(--mu);font-size:.9rem}

/* sections */
.sec{padding:clamp(70px,10vw,130px) 0}.sec.alt{background:var(--bg2)}
.head{max-width:760px;margin-bottom:46px}
.wrap.head{margin-inline:auto}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,6vw,80px);align-items:center}
.ticks{list-style:none;margin-top:24px;display:grid;gap:12px}
.ticks li{padding-left:30px;position:relative}
.ticks li:before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;background:var(--gr);box-shadow:0 0 14px rgba(79,209,161,.6)}

/* diagram */
.diag{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.tog{display:flex;gap:6px;background:#070c13;border-radius:999px;padding:4px;margin-bottom:14px}
.tog button{flex:1;padding:10px;border-radius:999px;font-size:.85rem;color:var(--mu);font-weight:600}.tog .on{background:var(--bl);color:#fff}
.diag svg{width:100%;height:auto}
.lbl{font:600 12px system-ui,sans-serif;fill:#e8eef5}.lbl.dim{fill:var(--mu);font-weight:500}.lbl.bad{fill:#ff9a62}.lbl.good{fill:var(--gr)}
.diag[data-mode=mono] .g-trad,.diag[data-mode=trad] .g-mono{display:none}
.flow path{stroke-dasharray:6 6;animation:dash 1.2s linear infinite}.keep path{stroke-dasharray:6 6;animation:dash 2.4s linear infinite}
@keyframes dash{to{stroke-dashoffset:-24}}
.note{font-size:.75rem;color:var(--mu);margin-top:6px}

/* buildings */
.bld{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:240px;gap:16px}
.bld figure{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.bld .t1{grid-row:span 2;grid-column:span 2}
.bld img,.gal img,.card img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
figure:hover img,.card:hover img{transform:scale(1.06)}
figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 18px 14px;font-weight:600;background:linear-gradient(transparent,rgba(5,8,13,.9))}

/* windows */
.win{display:grid;grid-template-columns:1fr 1.2fr;gap:30px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:clamp(20px,3vw,40px);margin-bottom:20px;align-items:center}
.win-l h3{font-size:1.8rem;margin-bottom:10px}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tabs button{padding:9px 18px;border-radius:999px;border:1px solid var(--line);color:var(--mu);font-weight:600;transition:.2s}
.tabs button.on{background:var(--bl);border-color:var(--bl);color:#fff}
.tabpan{display:none}.tabpan.on{display:block;animation:fade .5s}
.tabpan img{width:100%;height:300px;object-fit:cover;border-radius:14px}
.tabpan p{margin-top:14px;color:var(--mu)}
@keyframes fade{from{opacity:0;transform:translateY(8px)}}

/* bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);min-height:340px;background:var(--card)}
.card.big{grid-column:span 2}
.card.big:last-child{grid-column:1/-1}
.card img{position:absolute;inset:0}
.card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,13,.05) 20%,rgba(5,8,13,.92) 85%)}
.card-t{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:24px}
.card-t p{color:#b6c3d2;font-size:.92rem;margin-top:8px;max-width:52ch}

/* spotlight */
.spot{--mx:50%;--my:50%}
.spot:before{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;opacity:0;transition:.3s;background:radial-gradient(320px circle at var(--mx) var(--my),rgba(70,193,255,.18),transparent 60%)}
.spot:hover:before{opacity:1}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.steps li{padding:26px 22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);position:relative}
.steps b{font-size:2.2rem;font-weight:800;background:linear-gradient(180deg,var(--bl2),transparent);-webkit-background-clip:text;background-clip:text;color:transparent}
.steps h4{margin:6px 0 8px;font-size:1.1rem}.steps p{color:var(--mu);font-size:.88rem}

/* engineering */
.eng-img{border-radius:var(--r);overflow:hidden;position:relative;aspect-ratio:4/5;border:1px solid var(--line)}
.eng-img img{width:100%;height:100%;object-fit:cover}
.eng{display:grid;gap:18px;margin-top:28px}
.eng div{padding:18px 20px;border-left:2px solid var(--bl);background:rgba(30,143,208,.06);border-radius:0 12px 12px 0}
.eng p{color:var(--mu);font-size:.92rem;margin-top:4px}
.split.rev>:first-child{order:0}

/* where */
.where h4{color:var(--mu);font-weight:500;text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;margin:0 0 12px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chips span{padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:var(--card)}
.chips.alt2 span{border-color:rgba(79,209,161,.4);color:var(--gr)}

/* contact */
.sec.cta{background:radial-gradient(800px 400px at 50% 0,#0d2a44 0,transparent 70%),var(--bg)}
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.contact>div{padding:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.contact small{display:block;color:var(--mu);text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;margin-bottom:6px}
.contact a,.contact span{font-size:1.05rem;font-weight:600;word-break:break-word}.contact a:hover{color:var(--bl2)}

/* footer */
.ftr{border-top:1px solid var(--line);padding-top:56px;background:var(--bg2)}
.ftr-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px}
.ftr h4{margin-bottom:10px;color:var(--mu);font-weight:500;text-transform:uppercase;letter-spacing:.14em;font-size:.75rem}
.ftr p{margin-top:12px;font-size:.92rem;word-break:break-word}.ftr a:hover{color:var(--bl2)}
.ftr-b{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:20px 0;border-top:1px solid var(--line);font-size:.78rem;color:var(--mu)}

/* modal */
.modal[hidden],.lb[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px}
.modal-bg{position:absolute;inset:0;background:rgba(2,5,9,.78);backdrop-filter:blur(6px)}
.modal-card{position:relative;width:min(460px,100%);max-height:92vh;overflow:auto;background:var(--card);border:1px solid #28405a;border-radius:24px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 60px rgba(30,143,208,.2);animation:pop .3s}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.97)}}
.x{position:absolute;top:12px;right:14px;font-size:1.8rem;line-height:1;color:var(--mu);width:36px;height:36px}
.modal-card h3{font-size:1.6rem}
.qrow{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 0;border-top:1px solid var(--line)}
.qrow small{display:block;color:var(--mu);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}
.big{font-size:1.45rem;font-weight:700;color:#fff;word-break:break-all}.big.sm{font-size:1rem}
.cp{font-size:.78rem;padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--mu);white-space:nowrap}
.cp:hover{border-color:var(--bl2);color:#fff}

/* works */
.pagehead{padding-top:150px;padding-bottom:50px}
.h1s{font-size:clamp(2.2rem,5vw,4rem);margin:.4rem 0 1rem}
.back{display:inline-block;color:var(--mu);margin-bottom:24px}.back:hover{color:#fff}
.gal{columns:3 320px;column-gap:16px}
.gal .g{position:relative;break-inside:avoid;margin-bottom:16px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);cursor:zoom-in}
.gal img{height:auto}
.lb{position:fixed;inset:0;z-index:120;background:rgba(2,5,9,.94);display:grid;place-items:center;padding:20px}
.lb img{max-height:92vh;max-width:96vw;border-radius:12px}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s,transform .8s}
.reveal.in{opacity:1;transform:none}

@media(max-width:980px){
.nav{position:fixed;top:68px;left:0;right:0;flex-direction:column;gap:0;background:rgba(5,8,13,.97);padding:10px 0;transform:translateY(-130%);transition:.3s;margin:0}
.nav.open{transform:none}.nav a{padding:16px 5%;border-bottom:1px solid var(--line);font-size:1rem}
.burger{display:block}.hdr-r{margin-left:auto}
.split,.win{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}
.bld{grid-template-columns:1fr 1fr}.bld .t1{grid-column:span 2}
.bento{grid-template-columns:1fr 1fr}.card.big{grid-column:span 2}
.ftr-in{grid-template-columns:1fr}.stats-in{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat{border-bottom:1px solid var(--line)}
}
@media(max-width:620px){
.lang{display:none}.hdr-in{gap:10px}.brand span{font-size:.75rem}
.lang.show{display:flex}
.bento,.steps{grid-template-columns:1fr}.card.big{grid-column:auto}
.bld{grid-template-columns:1fr;grid-auto-rows:210px}.bld .t1{grid-column:auto;grid-row:span 1}
.tabpan img{height:210px}.hero-in{padding-top:100px}
.nav .lang-m{display:flex}
}
.nav .lang-m{display:none;padding:14px 5%;flex-wrap:wrap;gap:6px}
.nav .lang-m button{padding:7px 12px;border:1px solid var(--line);border-radius:999px;font-size:.8rem}
.nav .lang-m button.on{background:var(--bl);border-color:var(--bl)}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
.partner{margin-top:18px;padding:14px 18px;border:1px solid rgba(79,209,161,.4);background:rgba(79,209,161,.07);border-radius:14px;color:#cfeee2;font-size:.95rem}

/* pergola animata */
.perg{display:grid;grid-template-columns:1.7fr 1fr;gap:clamp(20px,4vw,50px);align-items:start}
.perg-view{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.perg-view svg{width:100%;height:auto;display:block;border-radius:12px}
.perg-cap{padding:14px 8px 4px;color:#cfd9e5;min-height:3.6em}
.perg .tabs{margin:0 0 22px}
.perg .sky{fill:#6fb8f0;transition:fill 1s}
.perg[data-s=tilt] .sky{fill:#86c1ea}.perg[data-s=rain] .sky{fill:#4d5967}.perg[data-s=glass] .sky{fill:#2b2748}
.perg .sun{fill:#ffe08a;transition:opacity .8s}.perg[data-s=rain] .sun,.perg[data-s=glass] .sun{opacity:0}
.perg .clouds{fill:#8d98a6;opacity:0;transition:opacity .8s}.perg[data-s=rain] .clouds{opacity:1}
.perg .rain{opacity:0;transition:opacity .5s}.perg[data-s=rain] .rain{opacity:1}
.perg .rain line{stroke:#9fd0ff;stroke-width:2;animation:fall .9s linear infinite}
@keyframes fall{from{transform:translateY(0)}to{transform:translateY(110px)}}
.perg .slat{fill:#8e9bad;transform-box:fill-box;transform-origin:center;transition:transform 1.2s cubic-bezier(.6,0,.2,1)}
.perg[data-s=open] .slat{transform:rotate(78deg)}.perg[data-s=tilt] .slat{transform:rotate(38deg)}
.perg .rays{fill:rgba(255,224,150,.22);opacity:0;transition:opacity .9s}
.perg[data-s=open] .rays{opacity:1}.perg[data-s=tilt] .rays{opacity:.5}
.perg .win{fill:#0d141c;transition:fill .9s}.perg[data-s=glass] .win{fill:#e9b86a}
.perg .led{fill:#ffd9a0;opacity:0;transition:opacity .8s;filter:drop-shadow(0 0 8px #ffd9a0)}.perg[data-s=glass] .led{opacity:1}
.perg .glass{opacity:0;transform:translateX(-40px);transition:opacity .9s,transform .9s}
.perg[data-s=glass] .glass{opacity:1;transform:none}.perg .glass line{stroke:#9fd6ff;stroke-opacity:.45}
@media(max-width:980px){.perg{grid-template-columns:1fr}}
.perg-photo{position:relative;margin-top:22px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.perg-photo img{width:100%;height:auto;display:block;transition:transform .8s}.perg-photo:hover img{transform:scale(1.04)}
.perg-photo figcaption{position:static;padding:14px 16px;font-weight:400;font-size:.88rem;color:#b6c3d2;background:var(--card)}