:root{
  --ink:#0f172a; --muted:#475569; --brand:#0B5FFF; --brand2:#FF4D6D;
  --bg:#ffffff; --alt:#F8FAFC; --card:#ffffff; --border:#e5e7eb; --dark:#0b1324
}
*{box-sizing:border-box}html,body{margin:0}
body{font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;color:var(--ink);background:var(--bg)}
.container{width:min(1200px,92%);margin-inline:auto}
.site-header{position:sticky;top:0;background:#ffffffd9;backdrop-filter:saturate(150%) blur(6px);border-bottom:1px solid var(--border);z-index:30}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink)}
.brand-logo{height:34px;width:auto;border-radius:.3rem}
.brand-text{font-weight:800;letter-spacing:.2px}
.nav a{margin-left:1rem;text-decoration:none;color:var(--ink);font-weight:600}
.btn{display:inline-block;border:2px solid var(--brand);padding:.62rem 1rem;border-radius:.7rem;text-decoration:none;font-weight:700;color:var(--brand)}
.btn-primary{background:var(--brand);color:#fff}
.btn-ghost{border-color:transparent;background:#eef2ff;color:#1e293b}
.btn-outline{}
.hero{background:radial-gradient(900px 300px at 50% -120px,#E0ECFF,transparent),linear-gradient(180deg,#ffffff, #f8fafc);padding:3.5rem 0 2.2rem}
.hero .wrap{display:grid;gap:1.2rem;align-items:center;grid-template-columns:1.1fr .9fr}
.hero h1{margin:0 0 .4rem;font-size:clamp(2rem,5vw,3.2rem);line-height:1.15}
.lead{color:var(--muted);max-width:60ch}
.cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:.2rem}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin-top:1.2rem}
.kpis div{border:1px solid var(--border);padding:.9rem;border-radius:.9rem;text-align:center;background:#fff}
.section{padding:2.6rem 0}
.section.alt{background:var(--alt)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.card{border:1px solid var(--border);border-radius:.9rem;background:var(--card);padding:1rem;box-shadow:0 1px 1px rgba(0,0,0,.03)}
.bullets{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.6rem;padding:0;margin:1rem 0 0;list-style:none}
.bullets li{border:1px solid var(--border);border-radius:.8rem;padding:.7rem 1rem;background:#fff}
.form{display:grid;gap:.8rem;max-width:720px}
.form input,.form textarea,.form select{width:100%;padding:.9rem;border:1px solid var(--border);border-radius:.7rem;background:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.8rem}
.footer{background:var(--dark);color:#cbd5e1;padding:1.4rem 0}
.footer a{color:#cbd5e1}
.badge{display:inline-block;background:#111827;color:#e5e7eb;border-radius:999px;padding:.18rem .6rem;font-size:.78rem}

/* --- Mobile-first improvements --- */
@media (max-width: 820px){
  .hero .wrap{grid-template-columns:1fr;gap:1rem}
  .nav{display:none}
  .header-inner{padding:.9rem 0}
  .brand-logo{height:32px}
  .cta .btn{padding:.8rem 1rem}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:1fr}
  .bullets{grid-template-columns:repeat(2,1fr)}
}
/* mobile nav */
.mobile-toggle{display:none;appearance:none;border:none;background:transparent;font-size:1.6rem;line-height:1}
@media (max-width: 820px){
  .mobile-toggle{display:block;color:var(--ink)}
  .mobile-nav{display:none;border-top:1px solid var(--border);padding:.5rem 0;margin-top:.5rem}
  .mobile-nav a{display:block;padding:.7rem 0;text-decoration:none;color:var(--ink);font-weight:600}
  .nav-open .mobile-nav{display:block}
}
/* Sticky call button on small screens */
@media (max-width: 720px){
  .sticky-cta{
    position:fixed;right:1rem;bottom:1rem;z-index:50;
    padding:.9rem 1rem;border-radius:999px;box-shadow:0 8px 20px rgba(0,0,0,.15);
  }
}
/* Bigger touch targets */
button, .btn{min-height:44px}
input, textarea, select{min-height:44px}


/* --- Auto dark mode --- */
@media (prefers-color-scheme: dark){
  :root{
    --ink:#e5e7eb; --muted:#94a3b8; --bg:#0b1324; --alt:#0f172a; --card:#0f172a; --border:#1f2937;
  }
  .site-header{background:#0b1324d9;border-color:#1f2937}
  .btn-ghost{background:#111827;color:#e5e7eb}
  .kpis div, .card, .bullets li{background:#0f172a}
  .footer{background:#000814;color:#cbd5e1}
}
/* Position second sticky button */
@media (max-width: 720px){
  .sticky-cta.sms{right:1rem;bottom:4.3rem}
}