:root{
  --ink:#08131d; --ink2:#0c1d29; --blue:#0787ee; --blue2:#0869c6;
  --white:#fff; --paper:#f4f6f8; --text:#0c1620; --muted:#65717c; --line:#dfe5ea;
  --max:1180px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:#fff}
img{max-width:100%;display:block} a{text-decoration:none;color:inherit}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{background:var(--ink);color:#dce5eb;font-size:12px;letter-spacing:.09em;text-transform:uppercase}
.topbar .container{height:34px;display:flex;justify-content:space-between;align-items:center}
.nav{background:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid #edf0f2}
.nav .container{height:88px;display:flex;align-items:center;gap:30px}
.brand{width:118px;height:70px;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden;flex:none}
.brand img{width:100%;height:100%;object-fit:contain}
.menu{display:flex;gap:30px;margin-left:auto;font-weight:700;font-size:13px}
.menu a:hover{color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 20px;border-radius:6px;font-weight:800;font-size:13px;border:1px solid transparent}
.btn.primary{background:var(--blue);color:#fff}
.btn.dark{background:#091822;color:#fff;border-color:#fff}
.btn.outline{border-color:#fff;color:#fff;background:transparent}
.hero{min-height:590px;position:relative;display:flex;align-items:center;background:#111}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,16,26,.96) 0%,rgba(4,16,26,.85) 34%,rgba(4,16,26,.25) 66%,rgba(4,16,26,.05) 100%)}
.hero-slides{position:absolute;inset:0;overflow:hidden}
.hero-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1s ease}
.hero-slide.active{opacity:1}
.hero-dots{position:absolute;z-index:4;left:50%;bottom:22px;transform:translateX(-50%);display:flex;gap:8px}
.hero-dots button{width:9px;height:9px;border:0;border-radius:50%;background:rgba(255,255,255,.45);padding:0;cursor:pointer}
.hero-dots button.active{background:#fff;transform:scale(1.25)}
.hero .container{position:relative;z-index:2;color:#fff;padding:72px 0}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:800}
.hero h1{font-size:58px;line-height:.98;margin:22px 0 20px;max-width:680px}
.hero h1 span{color:var(--blue)}
.hero p{font-size:20px;line-height:1.55;max-width:650px;color:#e7eef3}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.trust{display:flex;gap:28px;flex-wrap:wrap;margin-top:44px;font-size:12px;font-weight:800;letter-spacing:.04em}
.trust span{padding-left:14px;border-left:4px solid var(--blue)}
.section{padding:72px 0}.section.alt{background:var(--paper)}.section.dark{background:var(--ink);color:#fff}
.section-head{text-align:center;margin-bottom:38px}
.section-head .eyebrow{color:var(--blue)}.section-head h2{font-size:38px;margin:10px 0 8px}
.section-head p{color:var(--muted);font-size:17px}
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.service{border:1px solid var(--line);background:#fff;border-radius:10px;padding:22px;min-height:165px}
.service .num{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#e7f4fe;color:var(--blue);font-weight:900}
.service h3{font-size:17px;margin:14px 0 7px}.service p{font-size:14px;line-height:1.5;color:var(--muted)}
.project-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.project-card{background:#10212d;border-radius:6px;overflow:hidden;color:#fff;transition:.2s transform}
.project-card:hover{transform:translateY(-4px)}
.project-card img{width:100%;height:220px;object-fit:cover}
.project-card .info{padding:14px}.project-card h3{font-size:15px;margin:0 0 4px}.project-card p{font-size:12px;color:#a9bac5;margin:0}
.feature{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.feature img{width:100%;height:380px;object-fit:cover;border-radius:8px}
.feature h2{font-size:40px;margin:8px 0 12px}.feature p{color:var(--muted);line-height:1.65}
.checks{display:grid;gap:10px;margin:22px 0}.checks span::before{content:"•";color:var(--blue);font-weight:900;margin-right:10px}
.cta{background:#0b1b27;color:#fff;padding:42px 0}
.cta .container{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{margin:0 0 8px;font-size:30px}.cta p{margin:0;color:#c9d5dd}
.footer{background:#061019;color:#fff;padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:190px 1fr 1fr;gap:50px;align-items:start}
.footer .brand{width:180px;height:145px}.footer p,.footer a{color:#cbd6de;font-size:14px}
.footer-nav{display:grid;grid-template-columns:repeat(2,max-content);gap:8px 24px}
.footer-bottom{border-top:1px solid #24333e;margin-top:34px;padding-top:18px;color:#7f929f;font-size:12px}
.whatsapp-float{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;background:#19c463;color:#fff;display:grid;place-items:center;font-size:25px;font-weight:900;z-index:35;box-shadow:0 8px 24px rgba(0,0,0,.25)}
/* project detail */
.project-hero{background:var(--ink);color:#fff;padding:64px 0 46px}
.project-hero h1{font-size:48px;margin:12px 0}.project-hero p{max-width:750px;color:#cbd6de;line-height:1.6}
.meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:#a8b8c4;margin-top:18px}
.project-layout{display:grid;grid-template-columns:1fr 360px;gap:45px;align-items:start}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.gallery a{display:block;overflow:hidden;border-radius:7px;background:#e8edf1}
.gallery img{width:100%;height:300px;object-fit:cover;transition:.2s transform}.gallery a:hover img{transform:scale(1.02)}
.project-copy{position:sticky;top:115px;border:1px solid var(--line);border-radius:10px;padding:24px;background:#fff}
.project-copy h2{font-size:25px;margin-top:0}.project-copy p,.project-copy li{color:var(--muted);line-height:1.6;font-size:15px}
.project-copy ul{padding-left:20px}
.back{display:inline-flex;gap:8px;color:var(--blue);font-weight:800;font-size:14px}
/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.94);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}
.lightbox.open{display:flex}.lightbox img{max-width:94vw;max-height:90vh;object-fit:contain}
.lightbox button{position:absolute;top:18px;right:24px;border:0;background:transparent;color:#fff;font-size:38px;cursor:pointer}
@media(max-width:900px){
 .menu{display:none}.nav .container{height:78px}.brand{width:104px;height:62px}
 .hero{min-height:560px}.hero h1{font-size:44px}.hero p{font-size:17px}
 .services,.project-grid{grid-template-columns:repeat(2,1fr)}
 .feature,.project-layout{grid-template-columns:1fr}.project-copy{position:static}
 .footer-grid{grid-template-columns:1fr}.footer .brand{width:150px;height:120px}
}
@media(max-width:560px){
 .container{width:min(100% - 26px,var(--max))}.topbar .container{font-size:9px}.topbar .right{display:none}
 .nav .btn{padding:11px 12px;font-size:11px}.hero .container{padding:60px 0}.hero h1{font-size:37px}
 .services,.project-grid,.gallery{grid-template-columns:1fr}.project-card img,.gallery img{height:250px}
 .section{padding:54px 0}.section-head h2{font-size:31px}.feature h2{font-size:32px}
 .cta .container{align-items:flex-start;flex-direction:column}.footer-grid{gap:28px}
}

.services-expanded{grid-template-columns:repeat(4,1fr)}
.about-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:20px;align-items:stretch}
.about-main{padding:30px;border:1px solid var(--line);border-radius:10px;background:#fff}
.about-main h3{font-size:28px;margin-top:0}.about-main p{color:var(--muted);line-height:1.75}
.mv-card{padding:28px;border-radius:10px;background:var(--ink);color:#fff}
.mv-card p{color:#c7d2da;line-height:1.65;font-size:14px}.mv-card h3{margin:15px 0 10px}
.mv-icon{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--blue);font-weight:900}
@media(max-width:900px){.services-expanded{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:1fr}}
@media(max-width:560px){.services-expanded{grid-template-columns:1fr}}