:root{
  --bg:#0d0f1a;
  --bg-2:#131728;
  --bg-3:#1a1f36;
  --panel:#171b2e;
  --text:#f2f3f7;
  --muted:#9aa2bd;
  --accent:#2f6bff;
  --accent-2:#3f7bff;
  --shine:#6ea2ff;
  --success:#4caf6a;
  --line:rgba(255,255,255,.08);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --maxw:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;letter-spacing:-.01em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.accent{color:var(--shine)}

/* Skip link */
.skip-link{
  position:absolute;left:-999px;top:0;z-index:1000;
  background:var(--accent);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;
  font-weight:700;font-size:1rem;
  padding:13px 22px;border-radius:var(--radius-sm);
  cursor:pointer;border:none;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease;
  box-shadow:0 10px 26px rgba(47,107,255,.35);
}
.btn:hover,.btn:focus-visible{
  background:var(--accent-2);
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(47,107,255,.45);
}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:3px solid var(--shine);outline-offset:2px}
.btn-sm{font-size:.9rem;padding:10px 16px}
.btn-lg{font-size:1.15rem;padding:17px 30px}
.btn-xl{font-size:1.25rem;padding:20px 40px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(13,15,26,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand-mark{display:inline-flex}
.header-nav{display:flex;align-items:center;gap:22px;font-size:.92rem;font-weight:600}
.header-nav a:not(.btn){color:var(--muted);transition:color .15s}
.header-nav a:not(.btn):hover{color:#fff}
.header-nav .btn{margin-left:6px}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 500px at 85% 0%,rgba(47,107,255,.18),transparent 60%),
    radial-gradient(700px 500px at 5% 100%,rgba(76,175,106,.08),transparent 55%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
  padding:72px 0 80px;
}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-block;font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--shine);background:rgba(47,107,255,.12);border:1px solid rgba(47,107,255,.3);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;margin-bottom:18px}
.hero-sub{font-size:clamp(1rem,2vw,1.15rem);color:var(--muted);max-width:52ch;margin-bottom:30px}
.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hint{font-size:.85rem;color:var(--muted)}

/* Product image */
.hero-visual{position:relative}
.hero-img{
  width:100%;height:auto;border-radius:20px;
  animation:float 6s ease-in-out infinite;
  filter:drop-shadow(0 30px 50px rgba(0,0,0,.55));
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}

/* Sections */
section{padding:76px 0}
.section-title{font-size:clamp(1.6rem,3.5vw,2.3rem);font-weight:800;text-align:center;margin-bottom:10px}
.section-sub{text-align:center;color:var(--muted);margin-bottom:44px}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-3));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;text-align:center;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.4);box-shadow:var(--shadow)}
.card-icon{font-size:2rem;display:block;margin-bottom:14px}
.card h3{font-size:1.15rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.95rem}

/* Steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;position:relative;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#fff;font-weight:800;font-size:1.15rem;
  margin-bottom:16px;box-shadow:0 8px 20px rgba(47,107,255,.4);
}
.step h3{margin-bottom:8px;font-size:1.1rem}
.step p{color:var(--muted);font-size:.95rem}

/* CTA */
.cta{
  background:radial-gradient(800px 400px at 50% 0%,rgba(47,107,255,.22),transparent 65%),var(--bg-2);
  border:1px solid var(--line);
  text-align:center;
}
.cta-inner{display:flex;flex-direction:column;align-items:center;gap:18px}
.cta h2{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800}
.cta p{color:var(--muted);max-width:52ch}
.cta .btn{margin-top:6px}
@media (prefers-reduced-motion:no-preference){
  .cta .btn-xl{animation:pulse 2.4s ease-in-out infinite}
  @keyframes pulse{
    0%,100%{box-shadow:0 10px 26px rgba(47,107,255,.35)}
    50%{box-shadow:0 10px 44px rgba(47,107,255,.75)}
  }
}

/* FAQ */
.faq{max-width:820px}
.faq .container{max-width:820px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  cursor:pointer;padding:18px 20px;font-weight:700;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:1.4rem;font-weight:400;color:var(--shine);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{background:rgba(47,107,255,.06)}
.faq-item p{padding:0 20px 20px;color:var(--muted);font-size:.95rem}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  padding:40px 0 48px;background:var(--bg);
}
.site-footer p{color:var(--muted);font-size:.88rem;max-width:80ch}
.footer-sub{margin-top:16px;color:#6b7390;font-size:.8rem}

/* Responsive */
@media (max-width:960px){
  .card-grid,.steps{grid-template-columns:1fr 1fr}
  .step:last-child{grid-column:span 2}
}
@media (max-width:760px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero{padding:52px 0 60px}
  .hero-visual{order:-1}
  .header-nav a:not(.btn){display:none}
  .card-grid,.steps{grid-template-columns:1fr}
  .step:last-child{grid-column:auto}
  section{padding:56px 0}
  body{padding-bottom:0}
  .header-nav .btn{font-size:.85rem;padding:8px 12px}
}

/* Geo-block overlay */
.geo-block{
  position:fixed;inset:0;z-index:2000;
  display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(8,9,18,.94);
  backdrop-filter:blur(6px);
}
.geo-block[hidden]{display:none}
.geo-panel{
  max-width:480px;text-align:center;
  background:linear-gradient(180deg,var(--panel),var(--bg-3));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:40px 32px;box-shadow:var(--shadow);
}
.geo-icon{font-size:2.6rem;display:block;margin-bottom:16px}
.geo-panel h2{font-size:1.3rem;font-weight:800;margin-bottom:12px}
.geo-panel p{color:var(--muted);font-size:.95rem}
.geo-panel code{color:var(--shine);background:rgba(47,107,255,.12);padding:1px 7px;border-radius:6px;font-family:inherit}