:root{--bg:#0b0f1a;--card:#12192a;--text:#eaf2ff;--muted:#9fb0c3;--brand:#4da3ff;--accent:#00d4aa;}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-padding-top:80px}
body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial,sans-serif;line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:0 1rem}
header{padding:1rem 0;border-bottom:1px solid #1c2636;position:sticky;top:0;background:var(--bg);z-index:100}
nav{display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center}
.logo-desktop{height:60px;width:auto;cursor:pointer}
.logo-mobile{display:none;height:40px;width:auto;cursor:pointer}
.nav-links{display:flex;list-style:none;gap:2rem;margin:0;padding:0}
.nav-links a{color:var(--text);text-decoration:none;font-weight:500;transition:color 0.3s}
.nav-links a:hover{color:var(--brand)}
.hamburger{display:none;flex-direction:column;cursor:pointer;gap:4px}
.hamburger span{width:25px;height:3px;background:var(--text);transition:0.3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}
.hero{padding:4rem 0;text-align:center}
.hero h1{font-size:3rem;margin-bottom:1rem;background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.2rem;color:var(--muted);margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}
.buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:2rem}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:1rem 2rem;border-radius:12px;text-decoration:none;font-weight:600;transition:all 0.3s}
.btn.primary{background:var(--brand);color:white;border:2px solid var(--brand)}
.btn.primary:hover{background:transparent;color:var(--brand)}
.btn.accent{background:var(--accent);color:var(--bg);border:2px solid var(--accent)}
.btn.accent:hover{background:transparent;color:var(--accent)}
.services{padding:4rem 0}
.services h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--brand)}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.service-card{background:var(--card);border:1px solid #1c2636;border-radius:16px;padding:2rem;transition:transform 0.3s}
.service-card:hover{transform:translateY(-5px)}
.service-card h3{color:var(--brand);margin-bottom:1rem}
.contact{padding:4rem 0;background:var(--card)}
.contact h2{text-align:center;font-size:2.5rem;margin-bottom:2rem;color:var(--brand)}
.contact-form{max-width:600px;margin:0 auto}
.form-group{margin-bottom:1.5rem}
.form-group label{display:block;margin-bottom:0.5rem;color:var(--text)}
.form-group input,.form-group textarea{width:100%;padding:1rem;border:1px solid #1c2636;border-radius:8px;background:var(--bg);color:var(--text);font-family:inherit}
.form-group textarea{height:120px;resize:vertical}
footer{padding:2rem 0;border-top:1px solid #1c2636;text-align:center;color:var(--muted)}
footer a{color:var(--brand);text-decoration:none}
@media (max-width:768px){
  .hero h1{font-size:2rem}
  .buttons{flex-direction:column;align-items:center}
  .btn{width:100%;max-width:300px}
  .hamburger{display:flex}
  .nav-links{position:fixed;top:70px;left:-100%;width:100%;height:calc(100vh - 70px);background:var(--bg);flex-direction:column;justify-content:flex-start;align-items:center;padding-top:2rem;transition:left 0.3s;border-top:1px solid #1c2636}
  .nav-links.active{left:0}
  .nav-links li{margin:1rem 0}
  .logo-desktop{display:none}
  .logo-mobile{display:block}
}