*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#172033;background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}
.container{width:min(1120px,92%);margin:auto}
.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid #e8edf3}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between}
.brand img{height:58px;width:auto;display:block}
nav{display:flex;gap:26px;align-items:center;font-weight:700;font-size:14px}
nav a{color:#23324a}
nav a:hover{color:#e97819}
.nav-cta{padding:11px 18px;border-radius:8px;background:#0b2d5c;color:#fff!important}
.menu-btn{display:none;border:0;background:none;font-size:28px;color:#0b2d5c}
.hero{background:linear-gradient(135deg,#071d3b 0%,#0b2d5c 58%,#123f76 100%);color:#fff;padding:82px 0}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
.eyebrow{letter-spacing:2px;font-size:12px;font-weight:800;color:#e97819;margin:0 0 12px}
.hero h1{font-size:clamp(40px,6vw,68px);line-height:1.05;margin:0 0 24px}
.hero h1 span{color:#ff9a3d}
.lead{font-size:20px;color:#dbe5f2;max-width:650px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-block;padding:14px 22px;border-radius:8px;font-weight:800}
.btn.primary{background:#e97819;color:#fff}
.btn.primary:hover{background:#d9670c}
.btn.secondary{border:1px solid rgba(255,255,255,.45);color:#fff}
.btn.secondary:hover{background:rgba(255,255,255,.1)}
.btn.large{padding:16px 28px}
.hero-card{background:#fff;border-radius:18px;padding:18px;box-shadow:0 20px 50px rgba(0,0,0,.22)}
.hero-card img{width:100%;display:block;border-radius:10px}
.section{padding:88px 0}
.section.light{background:#f5f7fa}
.two-col{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px}
h2{font-size:clamp(30px,4vw,46px);line-height:1.12;margin:0 0 24px;color:#0b2d5c}
.two-col p{font-size:18px;color:#4b5a70}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.card{background:#fff;border:1px solid #e5eaf0;border-radius:14px;padding:26px;box-shadow:0 8px 22px rgba(16,40,70,.05)}
.icon{font-weight:900;color:#e97819;font-size:14px;letter-spacing:1px}
.card h3{color:#0b2d5c;font-size:21px}
.card p{color:#617086}
.projects{background:#fff}
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.project{min-height:220px;border-radius:14px;padding:30px;background:#0b2d5c;color:#fff}
.project span{font-size:12px;font-weight:800;letter-spacing:2px;color:#ff9a3d}
.project h3{font-size:25px;margin:20px 0 8px}
.project p{color:#dce7f4}
.note{color:#718096;margin-top:25px;font-size:14px}
.contact{padding:78px 0;background:#eef3f8}
.contact-box{display:flex;align-items:center;justify-content:space-between;gap:40px;background:#fff;border-radius:18px;padding:45px;box-shadow:0 12px 35px rgba(11,45,92,.08)}
.contact-box p{color:#617086}
.contact-actions{min-width:290px}
.small{font-size:14px!important;margin:12px 0 0}.social-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.social-links a{display:inline-block;padding:9px 13px;border:1px solid #dce4ed;border-radius:8px;color:#0b2d5c;font-weight:700;font-size:13px;background:#f8fafc}.social-links a:hover{border-color:#e97819;color:#e97819}.social-links .whatsapp{background:#0b2d5c;color:#fff;border-color:#0b2d5c}.footer-social{display:flex;gap:16px;flex-wrap:wrap}.footer-social a{color:#dce7f4}.footer-social a:hover{color:#ff9a3d}
footer{background:#071d3b;color:#dce7f4}
.footer{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:13px}
.footer div{display:flex;flex-direction:column}
.footer strong{font-size:24px;color:#fff}
.footer span{color:#aebdd0}
@media(max-width:850px){
  .menu-btn{display:block}
  nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:18px 4%;flex-direction:column;align-items:stretch;gap:4px;border-bottom:1px solid #e8edf3}
  nav.open{display:flex}
  nav a{padding:12px}
  .hero{padding:55px 0}
  .hero-grid,.two-col{grid-template-columns:1fr;gap:35px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .project-grid{grid-template-columns:1fr}
  .contact-box{flex-direction:column;align-items:flex-start;padding:32px}
  .contact-actions{min-width:0;width:100%}
  .footer{padding:25px 0;flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
  .brand img{height:50px}
  .cards{grid-template-columns:1fr}
  .hero h1{font-size:42px}
  .lead{font-size:17px}
}