:root{
  --bg-0:#0a0e1a;
  --bg-1:#0f172a;
  --bg-2:#1e293b;
  --line:rgba(148,163,184,0.12);
  --text:#e2e8f0;
  --muted:#94a3b8;
  --dim:#64748b;
  --brand:#818cf8;
  --brand-2:#a78bfa;
  --brand-grad:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#a855f7 100%);
  --card:rgba(30,41,59,0.5);
  --card-border:rgba(99,102,241,0.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg-0);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background:
    radial-gradient(800px 600px at 20% -10%,rgba(99,102,241,0.18),transparent 60%),
    radial-gradient(700px 500px at 90% 10%,rgba(168,85,247,0.14),transparent 60%),
    radial-gradient(600px 400px at 50% 100%,rgba(59,130,246,0.10),transparent 60%);
}
.container{max-width:1140px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
/* NAV */
nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);background:rgba(10,14,26,0.7);border-bottom:1px solid var(--line)}
nav .container{display:flex;align-items:center;justify-content:space-between;padding-top:18px;padding-bottom:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-0.02em}
.logo-mark{width:32px;height:32px;border-radius:8px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;font-size:18px}
.nav-links{display:flex;gap:32px;align-items:center;font-size:0.95rem;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.lang-switch{display:flex;gap:6px;font-size:0.85rem}
.lang-switch a{padding:6px 10px;border-radius:8px;border:1px solid var(--line);color:var(--muted);transition:all .15s}
.lang-switch a.active{background:rgba(99,102,241,0.15);border-color:rgba(99,102,241,0.4);color:#c7d2fe}
.lang-switch a:hover{color:var(--text)}
@media(max-width:760px){.nav-links{display:none}}
/* HERO */
.hero{padding:90px 0 80px;text-align:center;position:relative}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(99,102,241,0.12);border:1px solid rgba(99,102,241,0.3);border-radius:999px;font-size:13px;color:#c7d2fe;margin-bottom:32px;font-weight:500}
.badge-dot{width:6px;height:6px;border-radius:50%;background:#a5b4fc;box-shadow:0 0 12px #a5b4fc}
h1{font-size:clamp(2.5rem,5.5vw,4.5rem);font-weight:800;letter-spacing:-0.035em;line-height:1.05;margin-bottom:24px;background:linear-gradient(180deg,#fff 0%,#cbd5e1 90%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;color:#fff}
h1 .grad{background:var(--brand-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:clamp(1.05rem,1.5vw,1.25rem);color:var(--muted);max-width:680px;margin:0 auto 44px;line-height:1.65}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 32px;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:all .2s;font-family:inherit}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 30px rgba(99,102,241,0.35),inset 0 1px 0 rgba(255,255,255,0.15)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(99,102,241,0.45)}
.btn-ghost{background:rgba(30,41,59,0.6);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(30,41,59,0.9);border-color:rgba(99,102,241,0.3)}
.trust{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;font-size:0.85rem;color:var(--dim);margin-top:8px}
.trust span{display:inline-flex;align-items:center;gap:6px}
.trust .ok{color:#34d399}
/* SECTION */
section{padding:80px 0}
.eyebrow{font-size:0.85rem;font-weight:600;color:#a5b4fc;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:14px;text-align:center}
h2{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:800;letter-spacing:-0.02em;text-align:center;color:#fff;margin-bottom:18px}
.section-sub{font-size:1.05rem;color:var(--muted);text-align:center;max-width:620px;margin:0 auto 56px;line-height:1.65}
/* FEATURES */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px}
.feature{background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:28px;backdrop-filter:blur(8px);transition:transform .25s,border-color .25s}
.feature:hover{transform:translateY(-3px);border-color:rgba(99,102,241,0.4)}
.feature-icon{width:48px;height:48px;border-radius:12px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:18px;box-shadow:0 8px 20px rgba(99,102,241,0.3)}
.feature h3{font-size:1.15rem;font-weight:700;color:#fff;margin-bottom:10px}
.feature p{font-size:0.93rem;color:var(--muted);line-height:1.6}
/* DATABASES */
.dbs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:36px}
.db{padding:24px;background:rgba(15,23,42,0.7);border:1px solid var(--line);border-radius:14px}
.db-num{font-size:0.75rem;font-weight:700;color:#a5b4fc;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:10px}
.db h4{font-size:1.05rem;color:#fff;margin-bottom:8px;font-weight:600}
.db p{font-size:0.88rem;color:var(--muted)}
/* PRICING */
.pricing{display:flex;justify-content:center}
.price-card{background:linear-gradient(180deg,rgba(99,102,241,0.08) 0%,rgba(30,41,59,0.5) 100%);border:1px solid rgba(99,102,241,0.4);border-radius:24px;padding:48px 44px;max-width:480px;width:100%;text-align:center;position:relative;backdrop-filter:blur(10px);box-shadow:0 25px 60px rgba(0,0,0,0.3)}
.price-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand-grad);padding:6px 16px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:0.05em;text-transform:uppercase;color:#fff}
.price-name{font-size:0.85rem;font-weight:600;color:#a5b4fc;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:12px}
.price-amount{font-size:3.5rem;font-weight:800;color:#fff;letter-spacing:-0.03em;line-height:1;margin-bottom:8px}
.price-amount .cur{font-size:1.8rem;vertical-align:top;color:var(--muted);margin-right:4px}
.price-note{font-size:0.9rem;color:var(--muted);margin-bottom:32px}
.price-list{list-style:none;text-align:left;margin-bottom:32px;display:flex;flex-direction:column;gap:14px}
.price-list li{display:flex;align-items:flex-start;gap:12px;font-size:0.95rem;color:#cbd5e1}
.price-list .check{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:rgba(52,211,153,0.15);display:flex;align-items:center;justify-content:center;color:#34d399;font-weight:700;font-size:13px;margin-top:1px}
.price-card .btn{width:100%}
.guarantee{margin-top:18px;font-size:0.82rem;color:var(--dim)}
/* FAQ */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
details{background:var(--card);border:1px solid var(--card-border);border-radius:14px;padding:0 24px;backdrop-filter:blur(8px);transition:border-color .2s}
details[open]{border-color:rgba(99,102,241,0.4)}
summary{padding:22px 0;cursor:pointer;font-weight:600;color:#fff;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.5rem;color:var(--brand);transition:transform .2s;font-weight:300}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 22px;color:var(--muted);font-size:0.95rem;line-height:1.7}
/* FOOTER */
footer{border-top:1px solid var(--line);padding:48px 0 32px;margin-top:60px}
footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;font-size:0.87rem;color:var(--dim)}
footer .logo{font-size:1rem}
footer .foot-links{display:flex;gap:24px}
footer .foot-links a:hover{color:var(--text)}
/* utility */
.text-grad{background:var(--brand-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}