:root{--o:#F26A1B;--ch:#1f2226;--bk:#0e0f11;--g:#f3f3f3;--mut:#5f646b}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:"Open Sans",Arial,sans-serif;color:var(--ch);line-height:1.6}
h1,h2,h3,.btn,nav a,.disp{font-family:"Montserrat",sans-serif}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1240px;margin:auto;padding:0 24px}
.o{color:var(--o)}
header{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px;gap:20px}
.nav .logo img{height:64px;width:auto}
nav ul{display:flex;list-style:none;gap:26px;align-items:center}
nav a{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:6px 0;border-bottom:2px solid transparent}
nav a:hover,nav a.act{color:var(--o);border-color:var(--o)}
.lang{border:1.5px solid var(--ch)!important;padding:4px 9px!important;border-radius:3px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;font-weight:700;text-transform:uppercase;font-size:.85rem;letter-spacing:.5px;border-radius:3px;border:2px solid var(--o);background:var(--o);color:#fff;cursor:pointer;transition:.2s}
.btn:hover{background:#d9580f;border-color:#d9580f}
.btn.ghost{background:transparent;border-color:#fff}.btn.ghost:hover{background:#fff;color:var(--bk)}
.btn:after{content:"→"}
#menu{display:none;background:none;border:0;font-size:1.9rem;cursor:pointer}
.hero{min-height:640px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(10,10,12,.92) 0%,rgba(10,10,12,.65) 45%,rgba(10,10,12,.1) 80%),url(hero.jpg) center/cover}
.hero h1{font-size:clamp(2.2rem,5.2vw,4rem);font-weight:900;line-height:1.05;text-transform:uppercase;max-width:720px}
.hero p{max-width:560px;margin:22px 0 34px;font-size:1.08rem;opacity:.92}
.hero .btn{margin:0 12px 12px 0}
section{padding:80px 0}
.st{text-align:center;margin-bottom:40px}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:900;text-transform:uppercase;line-height:1.1}
.st p{color:var(--mut);margin-top:10px}
.bar{display:block;width:60px;height:4px;background:var(--o);margin:14px 0}
.svc{display:grid;grid-template-columns:repeat(6,1fr);gap:0;background:var(--g)}
.svc .c{background:#fff;border-right:1px solid #e4e4e4;text-align:center;padding-bottom:22px}
.svc img{aspect-ratio:4/3;object-fit:cover;width:100%}
.svc svg{width:44px;height:44px;margin:20px auto 8px;stroke:var(--o);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.svc h3{font-size:.88rem;font-weight:800;text-transform:uppercase;padding:0 12px;line-height:1.25}
.svc p{font-size:.85rem;color:var(--mut);padding:8px 14px 0}
.more{margin-top:50px;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.more .c{border-left:4px solid var(--o);background:var(--g);padding:22px}
.more h3{font-size:1rem;text-transform:uppercase;margin-bottom:8px}
.more ul{padding-left:18px;font-size:.9rem;color:var(--mut)}
.about{background:var(--bk);color:#fff;padding:0;display:grid;grid-template-columns:1fr 1fr;position:relative;overflow:hidden}
.about .txt{padding:80px 60px 70px max(24px,calc((100vw - 1240px)/2 + 24px));position:relative;z-index:2}
.about .txt p{opacity:.88;margin-bottom:14px;max-width:560px}
.about .ph{background:url(tunnel.jpg) center/cover;clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);position:relative;min-height:520px}
.about .edge{position:absolute;top:0;bottom:0;left:50%;width:60px;margin-left:-6px;background:var(--o);clip-path:polygon(30% 0,42% 0,12% 100%,0 100%);z-index:3}
.vals{display:grid;grid-template-columns:repeat(4,1fr);margin-top:34px;max-width:580px}
.vals div{text-align:center;border-right:1px solid #333;padding:0 8px;font-family:Montserrat;font-weight:800;font-size:.75rem;text-transform:uppercase}
.vals div:last-child{border:0}
.vals svg{width:38px;height:38px;stroke:var(--o);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 8px;display:block}
.prh{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px;gap:20px;flex-wrap:wrap}
.prh a{color:var(--o);font-weight:700;font-family:Montserrat;font-size:.85rem;text-transform:uppercase}
.prj{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prj .c{box-shadow:0 3px 14px rgba(0,0,0,.08);background:#fff}
.prj img{aspect-ratio:16/10;object-fit:cover;width:100%}
.prj .b{padding:16px 18px;display:flex;justify-content:space-between;gap:10px;align-items:center}
.prj h3{font-size:.92rem;text-transform:uppercase}.prj p{font-size:.85rem;color:var(--mut)}
.prj .ar{background:var(--o);color:#fff;min-width:30px;height:30px;display:grid;place-items:center;font-weight:700}
.types{margin-top:30px;display:flex;flex-wrap:wrap;gap:10px}
.types span{background:var(--g);border:1px solid #ddd;padding:6px 14px;font-size:.85rem;border-radius:20px}
.note{margin-top:24px;background:#fff4ec;border:1px dashed var(--o);padding:14px 18px;font-size:.9rem}
.cta{color:#fff;background:linear-gradient(90deg,rgba(10,10,12,.95) 25%,rgba(10,10,12,.35) 70%,rgba(10,10,12,.6)),url(workers.jpg) center 35%/cover;padding:70px 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{font-size:clamp(1.9rem,4vw,3rem)}.cta p{max-width:480px;opacity:.9;margin-top:10px}
.contact{background:var(--g)}
.cg{display:grid;grid-template-columns:1fr 1.2fr;gap:40px}
.cg dl dt{font-family:Montserrat;font-weight:800;text-transform:uppercase;font-size:.8rem;color:var(--o);margin-top:16px}
form input,form textarea{width:100%;padding:12px;margin-bottom:12px;border:1px solid #ccc;font:inherit;border-radius:3px}
footer{background:var(--bk);color:#c9c9c9;padding:56px 0 20px;font-size:.9rem}
.fg{display:grid;grid-template-columns:1.2fr 1.4fr 1.4fr .8fr;gap:30px}
.fg img{height:84px;width:auto}
footer h4{font-family:Montserrat;color:#fff;text-transform:uppercase;font-size:.85rem;margin-bottom:14px}
.ql{columns:2;list-style:none}.ql li{margin-bottom:6px}.ql a:hover{color:var(--o)}
footer .ic{color:var(--o);margin-right:8px}
.soc{display:flex;gap:10px}.soc a{width:34px;height:34px;border:1px solid #555;display:grid;place-items:center;font-weight:700;font-size:.8rem}
.copy{border-top:1px solid #2a2a2a;margin-top:36px;padding-top:16px;font-size:.8rem;text-align:center}
@media(max-width:1100px){.svc{grid-template-columns:repeat(3,1fr)}.prj{grid-template-columns:repeat(2,1fr)}.fg{grid-template-columns:1fr 1fr}nav ul{gap:16px}.hdrq{display:none!important}}
@media(max-width:900px){
 #menu{display:block}
 nav ul{display:none;position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;box-shadow:0 8px 14px rgba(0,0,0,.1)}
 nav ul.open{display:flex}
 .about{grid-template-columns:1fr}.about .ph{clip-path:none;min-height:280px}.about .edge{display:none}.about .txt{padding:60px 24px}
 .cg{grid-template-columns:1fr}.hero{min-height:560px;background-position:65% center}
}
@media(max-width:600px){.svc{grid-template-columns:1fr 1fr}.prj,.fg{grid-template-columns:1fr}.vals{grid-template-columns:1fr 1fr;row-gap:20px}.vals div:nth-child(2){border:0}.nav .logo img{height:52px}}
/* v3 */
.dd{position:relative}.dd>ul{display:none;position:absolute;top:100%;left:-14px;background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.12);list-style:none;min-width:240px;padding:10px 0;flex-direction:column;gap:0;border-top:3px solid var(--o)}
.dd:hover>ul,.dd:focus-within>ul{display:flex}.dd>ul a{display:block;padding:8px 18px;border:0}
a.c{display:block;color:inherit;transition:.2s}a.c:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.14)}
.phero{min-height:420px;display:flex;align-items:flex-end;color:#fff;padding:0 0 60px}
.phero h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:900;text-transform:uppercase;line-height:1.05}
.crumb{font-size:.82rem;opacity:.85;margin-bottom:14px}.crumb a{color:var(--o)}
.intro{font-size:1.1rem;max-width:880px;color:#333}
.phases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.phases .c{background:var(--g);padding:24px;border-top:4px solid var(--o);counter-increment:ph}
.phases h3{font-size:1rem;text-transform:uppercase;margin-bottom:8px}.phases h3:before{content:counter(ph,decimal-leading-zero) " ";color:var(--o)}
.phases p{font-size:.92rem;color:var(--mut)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.chk{list-style:none;margin-top:18px}.chk li{padding:8px 0 8px 30px;border-bottom:1px solid #eee;position:relative}.chk li:before{content:"✓";position:absolute;left:0;color:var(--o);font-weight:900}
.dark{background:var(--bk);color:#fff}.dark .chk li{border-color:#2a2a2a}.dark p{opacity:.85}
.others{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:26px}
.others a{background:#fff;box-shadow:0 3px 12px rgba(0,0,0,.08);text-align:center;padding-bottom:14px;font-family:Montserrat;font-weight:800;font-size:.8rem;text-transform:uppercase}
.others img{aspect-ratio:16/10;object-fit:cover;width:100%;margin-bottom:12px}.others a:hover{color:var(--o)}
@media(max-width:900px){.phases,.two{grid-template-columns:1fr}.others{grid-template-columns:1fr 1fr}
 .dd>ul{display:flex;position:static;box-shadow:none;border:0;padding:4px 0 0 12px;min-width:0}}