:root{
  --blue:#24588d;
  --pale:#e5ecf6;
  --green:#3fa796;
  --ink:#1b2949;
  --warm:#f5f1ed;
  --orange:#f66d2d;
  --white:#ffffff;
  --line:#dbe4ef;
  --muted:#69778d;
  --shadow:0 24px 70px rgba(27,41,73,.13);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
button,input,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.header{position:fixed;inset:0 0 auto;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{height:80px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:flex;align-items:flex-end;gap:4px;width:35px;height:35px}
.brand-mark i{display:block;width:9px;background:var(--blue);border-radius:2px 2px 0 0}
.brand-mark i:nth-child(1){height:15px}.brand-mark i:nth-child(2){height:24px}.brand-mark i:nth-child(3){height:34px}
.brand strong{display:block;font-size:14px;letter-spacing:.08em}.brand small{display:block;font-size:8px;letter-spacing:.16em;color:#637089}
.nav-links{display:flex;align-items:center;gap:28px;font-size:13px;font-weight:700}
.nav-links a:hover{color:var(--blue)}
.nav-button{padding:10px 17px;border:1px solid var(--blue);color:var(--blue)}
.menu-toggle{display:none;background:none;border:0}.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px}
.hero{padding:150px 0 90px;min-height:850px;position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#f6f9fc 55%,var(--pale) 100%)}
.hero-pattern{position:absolute;inset:0;background-image:linear-gradient(#dce5ef 1px,transparent 1px),linear-gradient(90deg,#dce5ef 1px,transparent 1px);background-size:64px 64px;opacity:.3;mask-image:linear-gradient(to bottom,#000,transparent 85%)}
.hero-grid,.two-columns,.platform-grid,.automation-grid,.results-grid,.why-grid,.vision-grid,.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;position:relative}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:800;color:var(--green);margin-bottom:16px}
.hero h1,.section h2,.vision h2,.contact h2{font-family:"Source Serif 4",Georgia,serif;line-height:1.08;letter-spacing:-.03em;margin:0}
.hero h1{font-size:clamp(45px,5.2vw,72px);max-width:760px}.hero-copy>p{font-size:18px;color:var(--muted);max-width:660px;margin:24px 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border:1px solid transparent;font-size:13px;font-weight:800;cursor:pointer}.primary{background:var(--blue);color:#fff}.outline{border-color:var(--blue);color:var(--blue);background:#fff}.accent{background:var(--orange);color:#fff}
.hero-proof{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;font-size:12px;color:#5d6b83}
.hero-visual{min-height:590px}.construction-scene{position:relative;width:100%;height:570px;background:linear-gradient(#b7c7d7 0 42%,#8093a3 42% 48%,#465565 48%);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}
.sun{position:absolute;width:180px;height:180px;border-radius:50%;background:rgba(245,241,237,.8);right:40px;top:35px;filter:blur(2px)}
.building{position:absolute;bottom:0;background:repeating-linear-gradient(90deg,#27374a 0 14px,#3d4f62 14px 28px);border-top:8px solid #26364a}.building-a{left:40px;width:180px;height:290px}.building-b{right:50px;width:230px;height:370px}
.crane{position:absolute;left:180px;top:40px;width:10px;height:360px;background:#37465a}.crane i{position:absolute;left:-80px;top:0;width:360px;height:9px;background:#37465a}.crane b{position:absolute;right:-260px;top:8px;width:2px;height:150px;background:#37465a}
.engineer{position:absolute;right:110px;bottom:0;width:160px;height:300px}.helmet{position:absolute;left:28px;top:0;width:100px;height:45px;background:#f3f4f5;border-radius:70px 70px 15px 15px}.head{position:absolute;left:48px;top:35px;width:70px;height:70px;border-radius:50%;background:#d3a67c}.body{position:absolute;left:18px;top:95px;width:125px;height:205px;background:linear-gradient(90deg,#29374c 0 35%,#d6dc34 35% 65%,#29374c 65%);border-radius:45px 45px 0 0}.tablet{position:absolute;left:-30px;top:155px;width:90px;height:120px;background:#16243a;border:7px solid #3a4d64;border-radius:10px;transform:rotate(-12deg)}
.floating-card{position:absolute;background:#fff;padding:15px 18px;box-shadow:var(--shadow);min-width:150px}.floating-card small,.floating-card strong{display:block}.floating-card small{font-size:10px;color:var(--muted)}.floating-card strong{font-size:27px;color:var(--blue)}.card-a{left:25px;top:50px}.card-b{right:22px;bottom:30px}
.section{padding:105px 0}.section-number{display:inline-grid;place-items:center;width:32px;height:32px;background:var(--blue);color:#fff;font-weight:800;font-size:12px;margin-right:12px}.section h2,.vision h2,.contact h2{font-size:clamp(35px,4.2vw,56px)}
.company-content>p{font-size:17px;color:var(--muted)}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:35px}.values-grid article{padding:20px;border:1px solid var(--line);background:#fff}.values-grid span{font-size:24px;color:var(--blue)}.values-grid h3{font-size:13px;text-transform:uppercase}.values-grid p{font-size:11px;color:var(--muted)}
.services{background:var(--warm)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:45px}.section-heading h2{max-width:710px}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service-card{padding:28px;background:#fff;border:1px solid var(--line);min-height:300px}.service-icon{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:25px}.service-icon.green{background:var(--green)}.service-icon.violet{background:#66549b}.service-icon.olive{background:#73933e}.service-card h3{font-family:"Source Serif 4",serif;font-size:24px}.service-card ul{padding-left:18px;color:var(--muted);font-size:12px}.service-card li{margin:9px 0}
.digital{background:#fff}.digital-flow{display:grid;grid-template-columns:repeat(9,auto);justify-content:space-between;align-items:center;background:var(--pale);padding:30px}.digital-flow div{text-align:center}.digital-flow span{display:grid;place-items:center;width:55px;height:55px;border-radius:50%;background:#fff;color:var(--blue);font-size:25px;margin:auto}.digital-flow b{display:block;font-size:11px;margin-top:9px}.digital-flow i{color:var(--blue)}
.benefit-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px;padding:22px;border:1px dashed #9fb4cb}.benefit-strip span{font-size:12px;color:var(--blue)}
.platform{background:var(--pale)}.platform-copy h2{margin-top:8px}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}.feature-grid span{font-size:12px;color:#4c5e77}
.mockup{position:relative;min-height:470px}.laptop{position:absolute;left:0;right:35px;top:20px}.screen{height:330px;background:#fff;border:12px solid #18273b;border-radius:14px 14px 7px 7px;display:flex;overflow:hidden}.side-menu{width:55px;background:var(--ink)}.screen-content{flex:1;padding:15px;background:#f6f8fb}.screen-top{height:36px;background:#fff;border:1px solid var(--line);margin-bottom:12px}.map-box{height:190px;background:linear-gradient(135deg,#e7edf4,#cbd9e5);position:relative}.pin{position:absolute;width:10px;height:10px;background:var(--green);border-radius:50%}.p1{left:20%;top:35%}.p2{left:50%;top:55%}.p3{left:72%;top:25%}.p4{left:82%;top:68%}.screen-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}.screen-cards i{height:45px;background:#fff;border:1px solid var(--line)}.keyboard{height:20px;background:#26364a;border-radius:0 0 35px 35px}
.phone{position:absolute;right:0;bottom:0;width:155px;height:315px;background:#18273b;border-radius:25px;padding:9px;box-shadow:var(--shadow)}.phone-screen{height:100%;background:#fff;border-radius:18px;padding:15px}.phone-photo{height:145px;background:linear-gradient(#9ba9b6 0 45%,#6b7d89 45% 55%,#b7c1b5 55%);margin-bottom:16px}.phone-screen span{display:block;height:10px;background:var(--pale);margin:9px 0}
.document-control{background:#fff}.process{display:grid;grid-template-columns:repeat(11,auto);align-items:center;justify-content:space-between}.process div{text-align:center}.process div span{display:grid;place-items:center;width:55px;height:55px;border:1px solid var(--blue);border-radius:50%;margin:auto;color:var(--blue)}.process b{display:block;font-size:11px;margin-top:10px}.process i{color:var(--green)}.process-benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin-top:35px}.process-benefits span{background:var(--pale);padding:18px;text-align:center;font-size:11px;color:var(--blue)}
.automation{background:var(--warm)}.chat-phone{width:330px;max-width:100%;margin:auto;border:10px solid #15243a;border-radius:30px;overflow:hidden;box-shadow:var(--shadow)}.chat-head{background:#0e866f;color:#fff;padding:18px}.chat-head small{display:block}.chat-body{padding:18px;background:#e9efeb;min-height:430px}.message{max-width:80%;padding:10px 12px;margin-bottom:12px;border-radius:10px;font-size:11px}.message.bot{background:#fff}.message.user{background:#daf6d3;margin-left:auto}.chat-photo{height:120px;background:linear-gradient(#a0adb8,#6d7f8b);display:grid;place-items:center;color:#fff;font-size:11px;margin-bottom:12px}.check-list{list-style:none;padding:0;display:grid;gap:12px}.check-list li:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#e6f5f1;color:var(--green);margin-right:10px}.mini-flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:28px}.mini-flow span{background:var(--blue);color:#fff;padding:8px 10px;font-size:10px}.mini-flow i{color:var(--green)}
.control-center{background:#fff}.dashboard{background:#f8fafc;border:1px solid var(--line);padding:20px;box-shadow:var(--shadow)}.dashboard-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.dashboard-kpis article{background:#fff;padding:16px;border:1px solid var(--line)}.dashboard-kpis small,.dashboard-kpis strong,.dashboard-kpis em{display:block}.dashboard-kpis small{font-size:10px;color:var(--muted)}.dashboard-kpis strong{font-size:27px}.dashboard-kpis em{font-size:9px;color:var(--green);font-style:normal}.dashboard-grid{display:grid;grid-template-columns:2fr .8fr;gap:12px;margin-top:12px}.chart-card,.donut-card,.map-card,.status-card{background:#fff;border:1px solid var(--line);padding:18px}.chart-card{grid-row:span 2}.chart-card h3{font-size:12px}.donut-card{display:flex;align-items:center;gap:15px}.donut{width:85px;height:85px;border-radius:50%;background:conic-gradient(var(--green) 0 68%,var(--pale) 68%);position:relative}.donut:after{content:"";position:absolute;inset:16px;border-radius:50%;background:#fff}.donut-card strong,.donut-card span{display:block}.donut-card span{font-size:10px;color:var(--muted)}.map-shape{height:150px;width:110px;margin:auto;background:var(--pale);clip-path:polygon(35% 0,70% 8%,88% 25%,80% 42%,95% 55%,78% 70%,82% 85%,55% 100%,30% 93%,18% 72%,5% 57%,15% 40%,10% 22%);position:relative}.map-shape i{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--green)}.map-shape i:nth-child(1){left:40px;top:35px}.map-shape i:nth-child(2){left:65px;top:70px}.map-shape i:nth-child(3){left:40px;top:100px}.map-shape i:nth-child(4){left:55px;top:125px}.status-card{display:grid;gap:12px}.status-card span{font-size:11px}.status-card i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px}.s1{background:var(--green)}.s2{background:var(--orange)}.s3{background:var(--blue)}
.results{background:var(--blue);color:#fff}.results-copy p{color:#d6e1ed}.result-numbers{display:grid;grid-template-columns:1fr 1fr}.result-numbers article{padding:28px;border:1px solid rgba(255,255,255,.18)}.result-numbers strong{display:block;font-size:45px;font-family:"Source Serif 4",serif}.result-numbers span{font-size:11px;color:#d8e1ec}
.benefits{background:var(--warm)}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px}.comparison>div{padding:28px;background:#fff}.comparison h3{font-size:14px;text-transform:uppercase}.comparison span{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.traditional span{color:#7a4a4a}.solution span{color:#387b6f}
.cases{background:#fff}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.case{border:1px solid var(--line);background:#fff}.case-photo{height:210px}.road{background:linear-gradient(145deg,#bbc4ca 0 30%,#536575 30% 48%,#d2d8dc 48% 60%,#657785 60%)}.water{background:linear-gradient(#a5d2dc 0 45%,#527f8a 45% 58%,#c1cbc2 58%)}.building{background:repeating-linear-gradient(90deg,#8796a3 0 14px,#dfe5e9 14px 29px)}.case span,.case h3,.case p{display:block;margin-left:20px;margin-right:20px}.case span{font-size:10px;color:var(--green);text-transform:uppercase;margin-top:18px}.case h3{font-family:"Source Serif 4",serif}.case p{font-size:11px;color:var(--muted);margin-bottom:22px}
.why-us{background:var(--pale)}.why-list{display:grid;gap:14px}.why-list div{display:flex;gap:14px;padding:18px;background:#fff}.why-list>div>span{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;flex:none}.why-list p{margin:0}.why-list strong,.why-list small{display:block}.why-list small{color:var(--muted);margin-top:4px}
.vision{padding:100px 0;background:var(--ink);color:#fff}.light{color:#89cec2}.light-number{background:#fff;color:var(--blue)}.vision-copy p{color:#c6d0df}.vision-icons{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.vision-icons span{border:1px solid rgba(255,255,255,.18);padding:10px 12px;font-size:10px}.vision-art{height:330px;display:flex;align-items:end}.city-line{width:100%;height:260px;display:flex;align-items:end;gap:18px;border-bottom:2px solid var(--green)}.city-line i{display:block;flex:1;border:1px solid var(--green);border-bottom:0;box-shadow:0 0 20px rgba(63,167,150,.2)}.city-line i:nth-child(1){height:80px}.city-line i:nth-child(2){height:140px}.city-line i:nth-child(3){height:220px}.city-line i:nth-child(4){height:170px}.city-line i:nth-child(5){height:250px}.city-line i:nth-child(6){height:120px}
.contact{padding:105px 0;background:#fff}.contact-data{display:grid;gap:10px;color:var(--muted);margin-top:28px}.contact-form{display:grid;gap:14px;background:var(--warm);padding:28px}.contact-form label{font-size:11px;font-weight:700}.contact-form input,.contact-form textarea{width:100%;margin-top:6px;padding:12px;border:1px solid var(--line);background:#fff}
footer{padding:32px 0;background:#111b31;color:#c7d1df}.footer-content{display:flex;align-items:center;justify-content:space-between}.footer-brand .brand-mark i{background:#fff}.footer-brand strong{color:#fff}.footer-content p{font-size:10px}
.toast{position:fixed;right:24px;bottom:24px;background:var(--green);color:#fff;padding:14px 18px;box-shadow:var(--shadow);transform:translateY(100px);opacity:0;transition:.3s;z-index:100}.toast.show{transform:none;opacity:1}
.reveal{opacity:0;transform:translateY(22px);transition:.7s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}.delay-2{transition-delay:.24s}.delay-3{transition-delay:.36s}
@media(max-width:980px){
  .menu-toggle{display:block}.nav-links{display:none;position:absolute;top:80px;left:20px;right:20px;background:#fff;padding:20px;flex-direction:column;align-items:stretch;border:1px solid var(--line)}.nav-links.open{display:flex}
  .hero-grid,.two-columns,.platform-grid,.automation-grid,.results-grid,.why-grid,.vision-grid,.contact-grid{grid-template-columns:1fr}.hero{padding-top:120px}.hero-visual{min-height:550px}
  .service-grid,.values-grid{grid-template-columns:1fr 1fr}.digital-flow,.process{grid-template-columns:1fr;gap:14px}.digital-flow i,.process i{transform:rotate(90deg);justify-self:center}
  .dashboard-grid{grid-template-columns:1fr}.dashboard-kpis{grid-template-columns:1fr 1fr}.case-grid{grid-template-columns:1fr}.section-heading{display:block}.section-heading h2{margin-top:16px}
}
@media(max-width:620px){
  .container{width:min(100% - 26px,1180px)}.hero h1{font-size:42px}.hero-copy>p{font-size:16px}.construction-scene{height:470px}.engineer{right:30px}.floating-card{min-width:120px}
  .section{padding:75px 0}.section h2,.vision h2,.contact h2{font-size:36px}
  .service-grid,.values-grid,.feature-grid,.benefit-strip,.process-benefits,.dashboard-kpis,.result-numbers,.comparison{grid-template-columns:1fr}
  .dashboard-grid{grid-template-columns:1fr}.screen{height:270px}.mockup{min-height:390px}.phone{width:125px;height:260px}
  .footer-content{flex-direction:column;gap:16px;text-align:center}
}