:root{
  --bg:#0b0b0d;
  --card:#0f1720;
  --muted:#9aa4b2;
  --accent:#ff3d6b;
  --glass: rgba(255,255,255,0.04);
  --max-width:1100px;
  --radius:12px;
  color-scheme: dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial; margin:0; background:linear-gradient(180deg,#020204 0%, #071421 50%, #020204 100%); color:#e8eef6; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale}
.container{max-width:var(--max-width);margin:0 auto;padding:48px 20px}

.site-header{position:sticky;top:0;background:rgba(2,6,12,0.35);backdrop-filter:blur(6px);border-bottom:1px solid rgba(255,255,255,0.03)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.brand a{font-weight:700;color:white;text-decoration:none;letter-spacing:0.6px}
.main-nav a{color:var(--muted);text-decoration:none;margin-left:18px}
.main-nav a.btn.small{background:var(--accent);color:white;padding:8px 12px;border-radius:8px;margin-left:20px}

.hero{display:grid;grid-template-columns:1fr 360px;gap:32px;align-items:center;padding:60px 20px}
.hero-inner h1{font-size:44px;margin:0 0 10px}
.lead{color:var(--muted);font-size:18px;margin-bottom:18px}
.btn{display:inline-block;background:var(--accent);color:white;padding:14px 20px;border-radius:12px;text-decoration:none}
.cta .btn{font-weight:600}
.hero-art{opacity:0.9}
.hero-art{
  display: flex;
  justify-content: center;
  margin: 0 auto;
}
.hero-art img{
  display: block;
  margin: 0 auto;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}

.about h2,.pricing h2,.tech h2,.contact h2{margin-top:0}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pricing{padding-bottom:64px;position:relative;z-index:2;background:var(--card);border-radius:var(--radius);box-shadow:0 4px 16px rgba(0, 0, 0, 0.4);margin-bottom:32px}
.card{background:linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.02));border:1px solid rgba(255,255,255,0.04);padding:20px;border-radius:12px;box-shadow:0 8px 24px rgba(2,8,20,0.6)}
.card h3{margin:0 0 8px}
.price{color:var(--accent);font-weight:700;margin-bottom:8px}

.tech-list{list-style:none;padding:0;margin:0}
.tech-list li{padding:8px 0;border-top:1px dashed rgba(255,255,255,0.03);color:var(--muted)}

.contact p{margin:6px 0}
.muted{color:var(--muted)}

.site-footer{padding:22px 0;border-top:1px solid rgba(255,255,255,0.03);background:linear-gradient(180deg, transparent, rgba(0,0,0,0.12));position:relative;z-index:1}
.footer-inner{display:flex;justify-content:space-between;align-items:center;padding:0 20px}
.footer-inner a{color:var(--muted);text-decoration:none}

/* responsive */
@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:18px;padding:36px 16px}
  .cards{grid-template-columns:1fr}
  .hero-inner h1{font-size:34px}
  .hero-inner{
    text-align: center;
    justify-content: center;
    align-items: center;
    display: flex;
    flex-direction: column;
  }
  .header-inner{
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
  .main-nav a{
    margin: 0 8px;
  }
  .hero-art{
    display: flex;
    justify-content: center;
    margin: 0 auto;
  }
  .hero-art img{
    display: block;
    margin: 0 auto;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
  }
}

@media (max-width:480px){
  .header-inner{padding:10px}
  .container{padding:28px 14px}
}

/* subtle utility */
.muted{opacity:0.85}

.circular-logo {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  border: 8px solid var(--accent);
  margin: 0 auto;
  display: block;
  transform: translateX(-50px);
}