:root{
--blue:#2E7CC0;--blue-d:#1B5A96;--blue-l:#3B8ED0;--blue-glow:rgba(46,124,192,.15);
--dark:#3A3A3A;--dark-d:#2D2D2D;--darker:#252525;
--white:#fff;--off:#F5F5F5;
--txt-d:#3A3A3A;--txt-m:#888;--txt-l:#B0B0B0;
--fd:'Barlow Condensed',sans-serif;--fb:'Open Sans',sans-serif;
--tr:.3s cubic-bezier(.4,0,.2,1);--r:8px;--rl:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--fb);color:var(--off);background:var(--dark-d);line-height:1.8;overflow-x:hidden;-webkit-font-smoothing:antialiased;font-size:17px}
img{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font-family:inherit}ul{list-style:none}
.ctn{max-width:1200px;margin:0 auto;padding:0 28px}

/* TOPBAR */
.topbar{background:var(--darker);color:rgba(255,255,255,.85);padding:10px 24px;font-size:.95rem;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar .ctn{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.topbar-l{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.topbar a{color:#fff;transition:var(--tr)}.topbar a:hover{color:var(--blue-l)}
.topbar-phone{font-weight:700;font-size:1.1rem;letter-spacing:1px;display:inline-flex;align-items:center;gap:8px}
.topbar-phone svg{width:16px;height:16px;fill:var(--blue-l)}
.topbar-email{display:inline-flex;align-items:center;gap:6px}
.topbar-email svg{width:15px;height:15px;fill:rgba(255,255,255,.5)}
.en-badge{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);padding:4px 16px;border-radius:50px;font-size:.85rem;font-weight:600;letter-spacing:1px;display:inline-flex;align-items:center;gap:8px}

/* NAV */
.nav{position:sticky;top:0;z-index:1000;background:rgba(58,58,58,.97);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.08);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.4)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{font-family:var(--fd);font-weight:900;font-size:1.9rem;letter-spacing:2px;text-transform:uppercase}
.logo .s{color:var(--blue)}.logo .p{color:var(--white)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-family:var(--fd);font-size:1rem;font-weight:600;color:rgba(255,255,255,.7);letter-spacing:1px;text-transform:uppercase;position:relative;transition:var(--tr);padding:4px 0}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--blue);transition:var(--tr)}
.nav-links a:hover{color:#fff}.nav-links a:hover::after{width:100%}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff!important;padding:12px 26px;border-radius:50px;font-family:var(--fd);font-weight:700;font-size:1.05rem;letter-spacing:1px;text-transform:uppercase;transition:var(--tr);white-space:nowrap}
.nav-cta:hover{background:var(--blue-d);transform:translateY(-1px);box-shadow:0 6px 24px rgba(46,124,192,.35)}
.nav-cta::after{display:none!important}
.nav-cta svg{width:17px;height:17px;fill:#fff}
.burger{display:none;flex-direction:column;gap:5px;padding:8px;z-index:1001}
.burger span{display:block;width:28px;height:2.5px;background:#fff;border-radius:2px;transition:var(--tr)}
.burger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* HERO */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(37,37,37,.88) 0%,rgba(37,37,37,.5) 40%,rgba(27,90,150,.2) 100%)}
.hero-ct{position:relative;z-index:2;max-width:720px;padding:40px 0}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:rgba(46,124,192,.15);border:1px solid rgba(46,124,192,.3);padding:10px 24px;border-radius:50px;color:var(--blue-l);font-family:var(--fd);font-size:.95rem;font-weight:600;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:32px;animation:fu .8s ease-out}
.hero-badge .dot{width:9px;height:9px;background:var(--blue);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-family:var(--fd);font-size:clamp(3rem,6vw,4.8rem);font-weight:900;color:#fff;line-height:1.05;margin-bottom:24px;text-transform:uppercase;letter-spacing:1px;animation:fu .8s ease-out .15s both}
.hero h1 em{font-style:normal;color:var(--blue-l)}
.hero-sub{font-size:1.2rem;color:rgba(255,255,255,.75);line-height:1.75;margin-bottom:42px;max-width:560px;animation:fu .8s ease-out .3s both}
.hero-acts{display:flex;flex-wrap:wrap;gap:16px;animation:fu .8s ease-out .45s both}
.hero-phone{display:inline-flex;align-items:center;gap:12px;background:var(--blue);color:#fff;padding:20px 40px;border-radius:50px;font-family:var(--fd);font-weight:800;font-size:1.4rem;letter-spacing:1.5px;transition:var(--tr);box-shadow:0 6px 28px rgba(46,124,192,.35)}
.hero-phone:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 10px 36px rgba(46,124,192,.45)}
.hero-phone svg{width:24px;height:24px;fill:#fff}
.btn-ol{display:inline-flex;align-items:center;gap:8px;color:#fff;padding:20px 36px;border-radius:50px;font-family:var(--fd);font-weight:600;font-size:1.1rem;letter-spacing:1px;text-transform:uppercase;border:2px solid rgba(255,255,255,.3);transition:var(--tr)}
.btn-ol:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5)}
@keyframes fu{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}

/* TRUST */
.trust{background:var(--dark);border-bottom:1px solid rgba(255,255,255,.06);padding:30px 0}
.trust-items{display:flex;justify-content:center;align-items:center;gap:44px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:12px;font-size:.98rem;font-weight:600;color:rgba(255,255,255,.8)}
.trust-ic{width:46px;height:46px;background:rgba(46,124,192,.12);border:1px solid rgba(46,124,192,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.trust-ic svg{width:22px;height:22px;fill:var(--blue-l)}

/* SECTIONS */
.sec{padding:96px 0}.sec-alt{background:var(--dark)}
.sec-hd{text-align:center;margin-bottom:60px}
.sec-lbl{font-family:var(--fd);font-size:.9rem;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.sec-ttl{font-family:var(--fd);font-size:clamp(2.2rem,4vw,3.2rem);font-weight:900;color:#fff;line-height:1.1;text-transform:uppercase;letter-spacing:1px}
.sec-sub{font-size:1.1rem;color:rgba(255,255,255,.6);max-width:640px;margin:16px auto 0;line-height:1.7}

/* SERVICES - 2 col layout with big images */
.srv-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.srv-card{background:var(--dark-d);border-radius:var(--rl);overflow:hidden;transition:var(--tr);border:1px solid rgba(255,255,255,.06)}
.sec-alt .srv-card{background:rgba(255,255,255,.03)}
.srv-card:hover{transform:translateY(-5px);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.srv-card.wide{grid-column:span 2}
.srv-img{height:260px;overflow:hidden;position:relative}
.srv-card.wide .srv-img{height:340px}
.srv-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.srv-card:hover .srv-img img{transform:scale(1.05)}
.srv-img::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.35) 0%,transparent 50%)}
.srv-body{padding:28px 26px}
.srv-body h3{font-family:var(--fd);font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}
.srv-body p{font-size:1rem;color:rgba(255,255,255,.6);line-height:1.75}

/* ENGINEER */
.eng{background:linear-gradient(135deg,var(--blue-d) 0%,var(--blue) 100%);padding:56px 0;position:relative;overflow:hidden}
.eng::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent,transparent 60px,rgba(255,255,255,.03) 60px,rgba(255,255,255,.03) 61px)}
.eng-ct{position:relative;z-index:1;display:flex;align-items:center;gap:36px;flex-wrap:wrap;justify-content:center;text-align:center}
.eng-ic{width:80px;height:80px;background:rgba(255,255,255,.12);border-radius:50%;display:flex;align-items:center;justify-content:center;border:2px solid rgba(255,255,255,.2);flex-shrink:0}
.eng-ic svg{width:40px;height:40px;fill:#fff}
.eng-txt{max-width:740px}
.eng-txt h3{font-family:var(--fd);color:#fff;font-size:1.7rem;font-weight:700;margin-bottom:10px;text-transform:uppercase;letter-spacing:1px}
.eng-txt p{color:rgba(255,255,255,.85);font-size:1.05rem;line-height:1.8}
.eng-txt strong{color:#fff;font-weight:700}

/* ABOUT */
.about-g{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-vis{position:relative;border-radius:var(--rl);overflow:hidden}
.about-vis img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.about-bdg{position:absolute;bottom:20px;left:20px;right:20px;background:rgba(58,58,58,.95);backdrop-filter:blur(10px);border-radius:var(--r);padding:18px 22px;border:1px solid rgba(255,255,255,.1)}
.about-bdg-t{font-family:var(--fd);font-weight:700;font-size:1.05rem;color:var(--blue-l);margin-bottom:6px;text-transform:uppercase;letter-spacing:1px}
.about-bdg-s{font-size:.92rem;color:rgba(255,255,255,.7);line-height:1.6}
.about-bdg-s a{color:var(--blue-l);font-weight:600;text-decoration:underline}
.about-txt h3{font-family:var(--fd);font-size:2.2rem;font-weight:900;color:#fff;margin-bottom:18px;line-height:1.15;text-transform:uppercase}
.about-txt h3 em{font-style:normal;color:var(--blue)}
.about-txt p{margin-bottom:18px;font-size:1.05rem;line-height:1.8;color:rgba(255,255,255,.7)}
.about-hl{display:flex;gap:22px;margin-top:32px;flex-wrap:wrap}
.about-hl-i{flex:1;min-width:130px;background:rgba(46,124,192,.1);border:1px solid rgba(46,124,192,.2);border-radius:var(--r);padding:22px;text-align:center}
.about-hl-n{font-family:var(--fd);font-size:2.4rem;font-weight:900;color:var(--blue);line-height:1}
.about-hl-l{font-size:.9rem;color:rgba(255,255,255,.6);margin-top:6px;font-weight:500}

/* PROCESS */
.proc{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;counter-reset:step}
.proc-s{text-align:center;padding:32px 22px;counter-increment:step}
.proc-s::before{content:counter(step,decimal-leading-zero);font-family:var(--fd);font-size:3.5rem;font-weight:900;color:var(--blue);opacity:.2;display:block;margin-bottom:14px;line-height:1}
.proc-s h4{font-family:var(--fd);font-size:1.25rem;font-weight:700;color:#fff;margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}
.proc-s p{font-size:1rem;color:rgba(255,255,255,.6);line-height:1.7}

/* GALLERY */
.gal{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.gal-i{border-radius:var(--rl);overflow:hidden;position:relative;transition:var(--tr)}
.gal-i:hover{transform:scale(1.02);box-shadow:0 12px 40px rgba(0,0,0,.3)}
.gal-i img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.gal-i.tall{grid-row:span 2}.gal-i.tall img{aspect-ratio:auto;height:100%}
.gal-cap{position:absolute;bottom:0;left:0;right:0;padding:32px 18px 16px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;font-size:1rem;font-weight:600;z-index:2}

/* ZONE */
.zone-g{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.zone-vis{border-radius:var(--rl);overflow:hidden}
.zone-vis img{width:100%;aspect-ratio:1;object-fit:cover}
.zone-l h3{font-family:var(--fd);font-size:2rem;font-weight:900;color:#fff;margin-bottom:16px;text-transform:uppercase}
.zone-l>p{font-size:1.05rem;color:rgba(255,255,255,.65);line-height:1.8}
.zone-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.zt{background:rgba(255,255,255,.06);padding:10px 20px;border-radius:50px;font-size:.95rem;font-weight:500;color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.1)}
.zt.pr{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:700}

/* CONTACT */
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.ct-phone{display:inline-flex;align-items:center;gap:14px;background:var(--blue);color:#fff;padding:20px 38px;border-radius:50px;font-family:var(--fd);font-weight:800;font-size:1.5rem;letter-spacing:1.5px;margin-bottom:34px;transition:var(--tr);box-shadow:0 6px 28px rgba(46,124,192,.3)}
.ct-phone:hover{background:var(--blue-d);transform:translateY(-2px)}
.ct-phone svg{width:24px;height:24px;fill:#fff}
.ct-item{display:flex;align-items:center;gap:16px;margin-bottom:24px}
.ct-item-ic{width:50px;height:50px;background:rgba(46,124,192,.12);border:1px solid rgba(46,124,192,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ct-item-ic svg{width:22px;height:22px;fill:var(--blue-l)}
.ct-item-txt a{color:#fff;font-size:1.1rem;font-weight:600;transition:var(--tr)}
.ct-item-txt a:hover{color:var(--blue-l)}
.ct-item-txt small{display:block;color:rgba(255,255,255,.45);font-size:.88rem;margin-top:3px}
.ct-form{background:rgba(255,255,255,.04);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.08);border-radius:var(--rl);padding:40px}
.ct-form h4{font-family:var(--fd);color:#fff;font-size:1.5rem;font-weight:700;margin-bottom:28px;text-transform:uppercase;letter-spacing:.5px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-g{margin-bottom:16px}
.form-g label{display:block;color:rgba(255,255,255,.6);font-size:.9rem;font-weight:600;margin-bottom:8px}
.form-g .req{color:var(--blue-l)}
.fc{width:100%;padding:14px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);color:#fff;font-family:var(--fb);font-size:1rem;transition:var(--tr)}
.fc::placeholder{color:rgba(255,255,255,.3)}
.fc:focus{outline:none;border-color:var(--blue);background:rgba(255,255,255,.08);box-shadow:0 0 0 3px rgba(46,124,192,.15)}
select.fc{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' fill='rgba(255,255,255,0.5)'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
select.fc option{background:var(--dark);color:#fff}
textarea.fc{resize:vertical;min-height:110px}
.form-btn{width:100%;padding:18px;background:var(--blue);color:#fff;border:none;border-radius:var(--r);font-family:var(--fd);font-weight:700;font-size:1.15rem;letter-spacing:1px;text-transform:uppercase;cursor:pointer;transition:var(--tr);margin-top:8px}
.form-btn:hover{background:var(--blue-d);transform:translateY(-1px)}
.form-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.form-msg{text-align:center;padding:16px;border-radius:var(--r);margin-top:16px;font-size:1rem;font-weight:500;display:none}
.form-msg.ok{display:block;background:rgba(76,175,80,.15);color:#81C784;border:1px solid rgba(76,175,80,.3)}
.form-msg.err{display:block;background:rgba(244,67,54,.15);color:#E57373;border:1px solid rgba(244,67,54,.25)}

/* FOOTER */
.ft{background:var(--darker);color:rgba(255,255,255,.5);padding:60px 0 0;font-size:.95rem}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px}
.ft-brand p{line-height:1.75;max-width:320px;margin:14px 0 18px}
.ft h5{font-family:var(--fd);color:rgba(255,255,255,.8);font-weight:700;margin-bottom:18px;font-size:1.05rem;letter-spacing:1px;text-transform:uppercase}
.ft ul li{margin-bottom:11px}.ft ul a{color:rgba(255,255,255,.5);transition:var(--tr)}.ft ul a:hover{color:var(--blue-l)}
.ft-ateco{margin-top:16px}
.ft-ateco a{display:inline-block;background:rgba(255,255,255,.06);padding:6px 16px;border-radius:50px;font-size:.85rem;margin-right:6px;margin-bottom:6px;transition:var(--tr);border:1px solid rgba(255,255,255,.08)}
.ft-ateco a:hover{background:rgba(46,124,192,.15);border-color:rgba(46,124,192,.3)}
.ft-ct{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ft-ct svg{width:16px;height:16px;fill:var(--blue-l);flex-shrink:0}
.ft-ct a{color:rgba(255,255,255,.7);font-weight:500}.ft-ct a:hover{color:var(--blue-l)}
.ft-bot{border-top:1px solid rgba(255,255,255,.06);padding:24px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.ft-legal{display:flex;gap:22px;flex-wrap:wrap}
.ft-legal a{font-size:.88rem;color:rgba(255,255,255,.4);transition:var(--tr)}.ft-legal a:hover{color:rgba(255,255,255,.7)}

/* MODAL */
.modal{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.7);backdrop-filter:blur(6px);align-items:center;justify-content:center;padding:24px}
.modal.active{display:flex}
.modal-box{background:var(--dark);border:1px solid rgba(255,255,255,.1);border-radius:var(--rl);max-width:700px;width:100%;max-height:80vh;overflow-y:auto;padding:48px;position:relative}
.modal-box h2{font-family:var(--fd);font-size:1.8rem;font-weight:700;color:#fff;margin-bottom:22px;text-transform:uppercase}
.modal-box p{margin-bottom:16px;font-size:1rem;line-height:1.8;color:rgba(255,255,255,.7)}
.modal-box strong{color:#fff}.modal-box a{color:var(--blue-l);text-decoration:underline}
.modal-x{position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:rgba(255,255,255,.6);transition:var(--tr)}
.modal-x:hover{background:rgba(255,255,255,.12);color:#fff}

.rv{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.rv.vis{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:992px){.about-g,.zone-g,.ct-grid{grid-template-columns:1fr;gap:36px}.ft-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:768px){
.burger{display:flex}
.nav-links{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:var(--dark-d);flex-direction:column;padding:100px 36px 36px;gap:26px;box-shadow:-10px 0 40px rgba(0,0,0,.5);transition:right .35s ease;z-index:999}
.nav-links.open{right:0}.nav-cta{width:100%;justify-content:center}
.hero{min-height:85vh}.hero h1{font-size:2.6rem}
.hero-phone{font-size:1.15rem;padding:16px 30px}
.gal{grid-template-columns:1fr}.gal-i.tall{grid-row:auto}
.form-row{grid-template-columns:1fr}.trust-items{gap:22px}
.proc{grid-template-columns:1fr 1fr}.ft-grid{grid-template-columns:1fr}
.sec{padding:64px 0}.srv-grid{grid-template-columns:1fr}.srv-card.wide{grid-column:auto}
.topbar .ctn{justify-content:center;text-align:center}.topbar-l{justify-content:center}
}
@media(max-width:480px){
.hero-acts{flex-direction:column;width:100%}.hero-phone,.btn-ol{width:100%;justify-content:center}
.proc{grid-template-columns:1fr}.about-hl{flex-direction:column}
.ct-phone{width:100%;justify-content:center;font-size:1.2rem}
}
[data-hover-shadow]:hover{box-shadow:0 8px 24px rgba(0,0,0,0.1)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}