:root{
  --bg: #f7f8fb;
  --panel: #ffffff;
  --card: #ffffff;
  --text: #1b2430;
  --muted: #4b5563;
  --brand: #1e40af;
  --brand2: #3b82f6;
  --accent: #059669;
  --ring: rgba(59,130,246,.25);
  --radius: 18px;
  --shadow: 0 10px 30px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:"Inter",-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.7;font-size:18px}
img{max-width:100%;display:block}
a{color:var(--text);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Top centered logo */
.top-logo{text-align:center;padding:18px 0 6px}
.header-logo{max-width:360px;width:90%;border-radius:12px;box-shadow:0 4px 14px rgba(0,0,0,.06)}
.header-subtitle{font-size:1.05rem;color:#374151;margin:8px 0 0}

.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,255,255,.9) 60%,transparent);backdrop-filter:saturate(1.2) blur(8px);}
.nav{display:flex;align-items:center;gap:14px;justify-content:space-between;padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.3px}
.brand span{font-size:1.1rem}
.menu{display:flex;gap:22px;align-items:center}
.menu a{opacity:.8}
.menu a:hover{opacity:1}
.btn{display:inline-block;background:linear-gradient(90deg,var(--brand),var(--brand2));color:#ffffff;font-weight:800;padding:12px 18px;border-radius:999px;box-shadow:var(--shadow);transition:transform .05s ease}
.btn:hover{transform:translateY(-1px)}
.btn-ghost{background:transparent;border:2px solid rgba(0,0,0,.12);color:var(--text);box-shadow:none}
.btn-small{padding:10px 16px;font-size:1rem}
.phone-cta{font-weight:800;border:2px solid rgba(0,0,0,.12);padding:8px 14px;border-radius:999px}

.burger{display:none;flex-direction:column;gap:5px;background:transparent;border:0;cursor:pointer}
.burger span{width:24px;height:3px;background:#4b5563;display:block}

.mobile-menu{display:none;flex-direction:column;gap:12px;padding:12px 20px;background:var(--panel);border-bottom:1px solid rgba(0,0,0,.06)}
.mobile-menu a{padding:8px 0}

.hero{display:grid;grid-template-columns:1fr;gap:18px;padding:60px 0 20px;align-items:center;justify-items:center;text-align:center}
.hero h1{font-size:2.4rem;line-height:1.15;margin:0 0 10px}
.gradient{background:linear-gradient(90deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--muted);font-size:1.1rem;margin:0 0 16px}
.cta{display:flex;gap:12px;margin:18px 0 8px}
.badges{display:flex;flex-wrap:wrap;gap:12px;color:#374151;padding:0;margin:16px 0;list-style:none}
.hero-art{filter:drop-shadow(0 20px 50px rgba(0,0,0,.08))}

.section{padding:50px 0}
.section-alt{background:linear-gradient(180deg,transparent,rgba(0,0,0,.03) 20%,transparent)}
h2{font-size:1.8rem;margin:0 0 16px}
h3{margin:0 0 10px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);padding:22px;border-radius:var(--radius);border:1px solid rgba(0,0,0,.08)}
.list{margin:8px 0 0 16px;color:#374151}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 0;padding:0;list-style:none}
.pill-list li{background:var(--panel);padding:8px 12px;border-radius:999px;border:1px solid rgba(0,0,0,.08)}

.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:14px 0}
.price{background:var(--card);padding:20px;border-radius:16px;border:1px solid rgba(0,0,0,.08);}
.price-tag{font-weight:800;font-size:1.4rem;background:linear-gradient(90deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;margin:6px 0 0}
@media (max-width: 900px){
  .pricing{grid-template-columns:1fr}
}

.faq details{background:var(--card);border:1px solid rgba(0,0,0,.08);border-radius:14px;padding:14px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:700}

.contact-grid{display:flex;gap:12px;flex-wrap:wrap;margin:10px 0 20px}
.contact-tile{background:var(--panel);padding:12px 16px;border-radius:999px;border:1px solid rgba(0,0,0,.1);font-weight:800}

.site-footer{padding:40px 0 30px;border-top:1px solid rgba(0,0,0,.08);background:linear-gradient(180deg,transparent,rgba(0,0,0,.03) 20%,transparent)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px;align-items:start}
.footer-nav{display:flex;flex-direction:column;gap:8px}
.small{font-size:1rem;color:#4b5563}
.tiny{font-size:.95rem;color:#6b7280;margin-top:18px;text-align:center}

.payments{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:10px}
.payment-item{background:var(--card);padding:14px 20px;border-radius:999px;border:1px solid rgba(0,0,0,.1);font-weight:700;font-size:1.05rem;display:flex;align-items:center;gap:10px}

@media (max-width: 900px){
  html,body{{font-size:17px}}
  .hero{grid-template-columns:1fr;gap:10px}
  .grid-3{grid-template-columns:1fr}
  .mobile-menu{display:flex}
  .menu{display:none}
}

.blue{color:var(--brand2)}
.ai56-meaning{margin:8px 0 4px;font-size:1.05rem}
.sector{margin:0 0 8px;color:#374151}
.hero-art img{max-width:680px;width:100%;height:auto;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.08)}


/* Square images 400x400, centered */
.img-square-400{width:400px;height:400px;object-fit:contain;display:block;margin:0 auto;border-radius:12px;background:#fff}
.img-shadow{box-shadow:0 12px 28px rgba(0,0,0,.10)}

/* Ensure hero is centered */
.hero{grid-template-columns:1fr !important; text-align:center; justify-items:center}
.hero-art{display:flex;justify-content:center}