:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --accent:#0b7cff;
  --text:#0b2540;
  --muted:#6b7280;
  --radius:14px;
  --maxwidth:1100px;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.5;
  font-size:16px;
}

/* layout */
.container{max-width:var(--maxwidth);margin:0 auto;padding:28px;}
.site-header{background:transparent;position:sticky;top:0;z-index:50;padding:12px 0;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700}
.brand svg{border-radius:6px}
.nav{display:flex;gap:12px;align-items:center}
.nav a{color:var(--text);text-decoration:none;padding:8px 10px;border-radius:8px}
.nav a.accent{background:var(--accent);color:#fff}
.nav a.active{box-shadow:inset 0 -2px 0 rgba(0,0,0,0.08)}
.hamburger{display:none;background:none;border:0;cursor:pointer}
.hamburger span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;border-radius:2px}

/* hero */
.hero{padding:60px 0;background:linear-gradient(180deg,#ffffff 0%, #f1f7ff 100%);}
.hero-inner{display:grid;grid-template-columns:1fr 360px;gap:28px;align-items:center}
.hero-text h1{font-size:32px;margin:0 0 8px;letter-spacing:-0.02em}
.hero-text p{color:var(--muted);margin:0 0 18px}
.cta-row{display:flex;gap:12px;margin-bottom:12px}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;text-decoration:none;background:transparent;border:1px solid rgba(11,124,255,0.12);color:var(--accent);cursor:pointer}
.btn-primary{background:var(--accent);color:#fff;border:0}
.btn-ghost{background:transparent}
.btn.small{padding:6px 8px;font-size:14px}
.fullwidth{width:100%}
.trust-list{display:flex;gap:12px;margin:12px 0;list-style:none;padding:0;color:var(--muted)}

/* card */
.hero-card{background:var(--card);border-radius:12px;padding:18px;box-shadow:0 6px 18px rgba(11,124,255,0.06)}
.card-header h3{margin:0}
.price-row{display:flex;gap:18px;justify-content:space-between;align-items:center}
.price-big{font-size:24px;font-weight:800;color:var(--accent)}

/* features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0}
.features article{background:var(--card);padding:18px;border-radius:12px;box-shadow:0 6px 14px rgba(12,20,40,0.03)}

/* pricing grid */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}
.pricing-card{background:var(--card);padding:18px;border-radius:12px;box-shadow:0 6px 18px rgba(12,20,40,0.04)}
.pricing-card.recommended{border:2px solid rgba(11,124,255,0.12)}
.dev-list{padding-left:18px}

/* sections */
.testimonials, .faq{margin:28px 0}
.qa{margin-bottom:10px}
.q{width:100%;text-align:left;padding:12px;border-radius:8px;border:1px solid #eceff6;background:#fff;cursor:pointer}
.a{padding:12px;margin-top:6px;border-left:3px solid var(--accent);display:none;background:#fff;border-radius:6px}

/* payment & support */
.payment-cards{display:flex;gap:18px}
.big-copy{display:flex;align-items:center;gap:10px;margin:8px 0}
.muted{color:var(--muted);font-size:14px}
.note{background:#fff8e0;padding:10px;border-radius:8px;border:1px solid #fff0c6;margin-top:12px}

/* footer */
.site-footer{margin-top:40px;padding:18px 0;background:transparent}
.footer-inner{display:flex;gap:18px;align-items:flex-start;justify-content:space-between}
.footer-links a{display:block;color:var(--muted);text-decoration:none;margin-bottom:6px}
.footer-inner p{margin:0}
.copyright{text-align:center;color:var(--muted);margin-top:8px}

/* responsive */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr; padding-bottom:12px}
  .pricing-grid{grid-template-columns:1fr}
  .features{grid-template-columns:1fr;gap:12px}
  .payment-cards{flex-direction:column}
  .nav{display:none}
  .hamburger{display:block}
  .container{padding:18px}
}