:root{
  --bg:#ffffff;
  --card:#f7f9fb;
  --accent:#0b5ea8;
  --muted:#6b7280;
  --text:#0f1724;
  --max-width:1100px;
  --radius:10px;
  --gap:24px;
  font-size:16px;
}
*{box-sizing:border-box}
html,body{height:100%;}
body{
  margin:0;
  font-family: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
}
.container{
  max-width:var(--max-width);
  margin:0 auto;
  padding:32px;
}

/* Header */
.site-header{
  border-bottom:1px solid #eef3f8;
  background:linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,255,255,0.95));
  position:sticky;
  top:0;
  z-index:50;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.logo img{width:46px;height:46px}
.company-name{font-weight:700}

/* Nav */
.main-nav a{margin-left:18px;text-decoration:none;color:var(--text);font-weight:500}
.main-nav .btn.small{background:var(--accent);color:white;padding:8px 12px;border-radius:8px;text-decoration:none}

/* Hero */
.hero{padding:48px 0;display:flex;align-items:center}
.hero-inner{display:flex;gap:32px;align-items:center}
.hero-text{flex:1}
.hero-text h1{font-size:28px;margin:0 0 8px}
.lead{color:var(--muted);margin-bottom:16px}
.btn{display:inline-block;background:var(--accent);color:white;padding:12px 18px;border-radius:8px;text-decoration:none;font-weight:600;margin-top:8px}
.quick-contact{margin-top:12px;color:var(--muted)}

/* Visual */
.hero-visual{width:380px;max-width:40%;}

/* Sections */
.section{padding:36px 0}
.section.alt{background:var(--card);border-top:1px solid #eef3f8;border-bottom:1px solid #eef3f8}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:white;padding:20px;border-radius:10px;box-shadow:0 6px 18px rgba(11,94,168,0.06)}
.project{background:white;padding:16px;border-radius:8px}

/* Two column */
.two-col{display:grid;grid-template-columns:1fr 320px;gap:24px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 320px;gap:24px}
.contact-form input, .contact-form textarea{width:100%;padding:10px;border:1px solid #e6eef8;border-radius:8px;margin-bottom:12px}
.contact-form label{display:block;margin-bottom:6px;font-weight:500}
.form-note{color:var(--muted);font-size:14px}
.contact-info{background:white;padding:16px;border-radius:10px;box-shadow:0 6px 18px rgba(11,94,168,0.05)}

/* Footer */
.site-footer{border-top:1px solid #eef3f8;padding:24px 0;margin-top:24px;background:linear-gradient(0deg,#ffffff,#fbfdff)}
.footer-inner{display:flex;justify-content:space-between;align-items:flex-start}
.footer-nav a{margin-left:12px;text-decoration:none;color:var(--muted)}

/* small */
.section.small{padding:20px 0;background:transparent}
.centered{text-align:center}

/* Responsive */
@media (max-width:920px){
  .grid-3{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .hero-inner{flex-direction:column-reverse}
  .hero-visual{max-width:100%;width:100%}
  .contact-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:12px}
}