:root{
  --black:#050505;--graphite:#111417;--graphite-2:#1c2024;
  --white:#ffffff;--silver:#d9dde0;--muted:#737b82;--line:#e4e7ea;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#1a2025;background:#fff;line-height:1.55}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1160px,92%);margin:auto}
.header{position:sticky;top:0;z-index:20;background:rgba(5,5,5,.96);border-bottom:1px solid rgba(255,255,255,.09)}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand img{height:48px;width:auto}
.menu{display:flex;gap:24px;list-style:none;margin:0;padding:0;color:#fff;font-size:14px}
.menu a:hover{opacity:.7}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:13px 18px;font-weight:700}
.nav-cta,.btn-light{background:#fff;color:#050505}
.btn-dark{background:#0b0d0f;color:#fff}
.btn-outline{border:1px solid rgba(255,255,255,.3);color:#fff}
.hero{background:radial-gradient(circle at 82% 20%,rgba(255,255,255,.12),transparent 30%),linear-gradient(135deg,#000,#171a1e);color:#fff}
.hero-grid{min-height:76vh;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:60px;padding:80px 0}
.kicker{text-transform:uppercase;letter-spacing:1.8px;font-size:12px;font-weight:700;color:#cbd0d4}
h1{font-size:clamp(42px,6vw,76px);line-height:1.02;letter-spacing:-2px;margin:16px 0 20px}
h2{font-size:clamp(32px,4vw,50px);line-height:1.1;letter-spacing:-1.2px;margin:8px 0 16px}
.hero p,.lead{font-size:18px}
.hero p{color:#d4d8db;max-width:720px}
.lead{color:#69747b;max-width:820px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.logo-panel{background:#000;border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:30px;box-shadow:0 28px 60px rgba(0,0,0,.35)}
section{padding:82px 0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.card{border:1px solid var(--line);border-radius:16px;padding:25px;background:#fff;box-shadow:0 8px 30px rgba(10,15,20,.04)}
.card .n{font-size:12px;letter-spacing:1.2px;font-weight:800;color:#7a838a}
.card h3{margin:10px 0 8px;font-size:22px}
.card p{margin:0;color:#69747b}
.dark{background:#0b0d0f;color:#fff}
.dark h2{color:#fff}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.step{border:1px solid rgba(255,255,255,.13);border-radius:15px;padding:22px;background:rgba(255,255,255,.04)}
.step strong{font-size:28px}
.step p{color:#bac1c6}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.visual{min-height:390px;border-radius:24px;background:linear-gradient(150deg,#08090a,#25292d);padding:32px;color:#fff;display:flex;align-items:flex-end;position:relative;overflow:hidden}
.visual:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;border:1px solid rgba(255,255,255,.13);right:-120px;top:-110px;box-shadow:0 0 0 65px rgba(255,255,255,.03),0 0 0 130px rgba(255,255,255,.015)}
.visual b{position:relative;font-size:28px;line-height:1.25}
.checks{display:grid;gap:12px;margin-top:22px}
.check{display:flex;gap:10px}
.contact-box{background:#050505;color:#fff;border-radius:24px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-box h2{color:#fff}
.contact-list{display:grid;gap:12px}
.contact-item{border:1px solid rgba(255,255,255,.13);border-radius:11px;padding:14px;background:rgba(255,255,255,.04)}
.page-hero{background:linear-gradient(135deg,#000,#1a1d21);color:#fff;padding:72px 0}
.page-hero p{color:#cbd0d3;font-size:18px;max-width:760px}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.project{min-height:260px;border-radius:18px;background:linear-gradient(145deg,#0d0f11,#2a2e32);color:#fff;padding:24px;display:flex;align-items:flex-end}
.project small{text-transform:uppercase;letter-spacing:1.2px;color:#c8ced2;font-weight:700}
form{display:grid;gap:12px}
input,textarea{width:100%;padding:14px;border:1px solid #d2d8dc;border-radius:9px;font:inherit}
textarea{min-height:130px;resize:vertical}
button{border:0;cursor:pointer}
.footer{background:#000;color:#adb4b9;padding:28px 0}
.footer-row{display:flex;justify-content:space-between;gap:18px}
.whatsapp{position:fixed;right:18px;bottom:18px;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 12px 28px rgba(0,0,0,.25);z-index:30}
@media(max-width:900px){
  .menu{display:none}.hero-grid,.split,.contact-box{grid-template-columns:1fr}
  .cards,.projects{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .nav-cta{display:none}.brand img{height:40px}.hero-grid{padding:62px 0}
  section{padding:62px 0}.cards,.projects,.process{grid-template-columns:1fr}
  .footer-row{flex-direction:column}
}