:root{
  --bg:#061021;
  --card:#0b1830;
  --accent1:#00e5ff;
  --accent2:#ff3da8;
  --muted:#9fb1c8;
  --max-width:1200px;
}
*{box-sizing:border-box}
body{font-family:Inter, system-ui, Arial, sans-serif;background:var(--bg);color:#e6f2ff;margin:0;line-height:1.5}
.container{max-width:var(--max-width);margin:0 auto;padding:24px}
.site-header{background:linear-gradient(90deg, rgba(0,0,0,0.2), rgba(0,0,0,0));position:sticky;top:0;z-index:40}
.site-header .container{display:flex;align-items:center;justify-content:space-between}
.logo{height:56px}
.main-nav{display:flex;gap:14px;align-items:center}
.main-nav a{color:var(--muted);text-decoration:none;padding:8px}
.main-nav .btn{background:transparent;border:1px solid var(--accent1);padding:8px 12px;border-radius:8px}
.menu-toggle{display:none}
.hero{padding:40px 0}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.hero-text h1{font-size:clamp(24px,4vw,48px);margin:0 0 12px;color:var(--accent1);text-shadow:0 6px 20px rgba(0,229,255,0.06)}
.btn{display:inline-block;padding:10px 18px;border-radius:10px;text-decoration:none}
.btn.primary{background:linear-gradient(90deg,var(--accent1),var(--accent2));color:#041225;font-weight:700}
.btn.outline{border:1px solid rgba(255,255,255,0.06);color:var(--muted)}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin:32px 0}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:18px;border-radius:12px}
.test-list blockquote{background:var(--card);padding:14px;border-left:4px solid var(--accent2);border-radius:8px}
.site-footer{background:#03101a;padding:24px;color:var(--muted)}
.logo-sm{height:48px}
.copyright{font-size:13px;color:#6f8aa4;text-align:center;padding:10px}
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    transition: transform 0.2s;
    z-index: 9999;
}
.whatsapp-float img {
    width: 35px;
    height: 35px;
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .menu-toggle{display:block}
  .main-nav{display:none}
}