:root{
  --bg:#08070d;
  --bg2:#0c0a16;
  --card:#16131f;
  --card2:#100d18;
  --line:rgba(255,255,255,.08);
  --txt:#efeaf8;
  --mut:#9a93ad;
  --violet:#a855f7;
  --indigo:#6366f1;
  --grad:linear-gradient(100deg,#a855f7,#6366f1);
  --radius:18px;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* backgrounds */
.bg-glow{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(58% 50% at 80% 6%, rgba(168,85,247,.22), transparent 60%),
    radial-gradient(52% 48% at 12% 16%, rgba(99,102,241,.18), transparent 60%),
    radial-gradient(46% 44% at 50% 98%, rgba(168,85,247,.12), transparent 60%);}
.bg-grid{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.30;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:54px 54px;mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 70%);}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;
  max-width:var(--maxw);margin:0 auto;padding:16px 24px;
  backdrop-filter:blur(14px);background:linear-gradient(180deg,rgba(8,7,13,.85),rgba(8,7,13,.4))}
.brand{display:flex;align-items:center;gap:11px;font-weight:800}
.brand-icon{width:36px;height:36px;border-radius:10px;box-shadow:0 0 22px rgba(168,85,247,.4)}
.brand-icon.sm{width:30px;height:30px}
.brand-name{font-size:19px;letter-spacing:.2px}
.nav-links{display:flex;gap:26px;margin-left:14px}
.nav-links a{color:var(--mut);font-weight:500;font-size:15px;transition:.2s}
.nav-links a:hover{color:var(--txt)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}

/* language switcher */
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:7px;background:transparent;border:1px solid var(--line);
  color:var(--mut);padding:8px 12px;border-radius:11px;cursor:pointer;font:inherit;font-size:14px;transition:.2s}
.lang-btn:hover{color:var(--txt);border-color:rgba(255,255,255,.2)}
.lang-menu{position:absolute;right:0;top:46px;background:#100d18;border:1px solid var(--line);
  border-radius:14px;padding:6px;min-width:180px;display:none;flex-direction:column;
  box-shadow:0 20px 50px rgba(0,0,0,.5);max-height:330px;overflow:auto;z-index:60}
.lang-menu.open{display:flex}
.lang-menu button{background:transparent;border:0;color:var(--txt);text-align:left;
  padding:9px 12px;border-radius:9px;cursor:pointer;font:inherit;font-size:14px;display:flex;gap:9px}
.lang-menu button:hover{background:rgba(255,255,255,.06)}
.lang-menu button.sel{color:var(--violet)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:13px;font-weight:600;font-size:15px;cursor:pointer;transition:.22s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--grad);color:#0c0814;box-shadow:0 8px 30px rgba(168,85,247,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(168,85,247,.42)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{border-color:rgba(168,85,247,.55);color:#fff}
.btn.big{padding:16px 34px;font-size:17px}
.btn.soon{pointer-events:none;cursor:default;opacity:.65}

/* hero */
.hero{max-width:var(--maxw);margin:0 auto;padding:60px 24px 40px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.pill{display:inline-block;font-size:13px;color:#c79bff;border:1px solid rgba(168,85,247,.32);
  background:rgba(168,85,247,.07);padding:7px 14px;border-radius:999px;margin-bottom:22px;font-weight:600}
.hero-title{font-size:clamp(40px,5.6vw,66px);line-height:1.05;font-weight:900;letter-spacing:-1.5px;margin:0 0 18px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 24px rgba(168,85,247,.3))}
.hero-sub{font-size:18px;color:var(--mut);max-width:540px;margin:0 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-platforms{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--mut);flex-wrap:wrap}
.hero-platforms strong{color:var(--txt)}

/* product mockup — experiment log */
.hero-art{perspective:1600px}
.window{background:linear-gradient(180deg,#13101d,#0a0812);border:1px solid var(--line);
  border-radius:20px;overflow:hidden;box-shadow:0 40px 90px rgba(0,0,0,.6),0 0 0 1px rgba(168,85,247,.08);
  transform:rotateY(-9deg) rotateX(4deg);transition:.5s}
.window:hover{transform:rotateY(-3deg) rotateX(1deg)}
.window-bar{display:flex;gap:7px;padding:13px 15px;background:rgba(255,255,255,.02);border-bottom:1px solid var(--line)}
.dot{width:11px;height:11px;border-radius:50%}
.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.exp-body{padding:16px 18px}
.exp-title{font-size:14px;font-weight:700;margin:0 0 4px}
.exp-goal{font-size:11.5px;color:var(--mut);margin:0 0 14px}
.try{display:flex;align-items:center;gap:10px;padding:9px 11px;border:1px solid var(--line);border-radius:11px;margin-bottom:8px;font-size:12px}
.try .n{width:22px;height:22px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;background:rgba(255,255,255,.06);color:var(--mut);flex:none}
.try .t{flex:1;color:var(--txt)}
.try .s{font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:999px}
.try .s.fail{color:#ff8a8a;background:rgba(255,90,90,.12)}
.try .s.meh{color:#febc2e;background:rgba(254,188,46,.12)}
.try .s.win{color:#0c0814;background:var(--grad)}
.try.win{border-color:rgba(168,85,247,.45)}

/* trust strip */
.trust{max-width:var(--maxw);margin:30px auto;padding:22px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-item{display:flex;flex-direction:column;gap:3px}
.trust-item b{font-size:19px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.trust-item span{font-size:13.5px;color:var(--mut)}

/* sections */
.section{max-width:var(--maxw);margin:0 auto;padding:80px 24px}
.section-title{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-1px;text-align:center;margin:0 0 12px}
.section-sub{text-align:center;color:var(--mut);font-size:17px;max-width:620px;margin:0 auto 50px}

/* feature grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;transition:.25s}
.feature:hover{border-color:rgba(168,85,247,.4);transform:translateY(-4px);box-shadow:0 20px 50px rgba(0,0,0,.4)}
.f-ic{font-size:24px;width:52px;height:52px;display:flex;align-items:center;justify-content:center;
  border-radius:14px;background:rgba(168,85,247,.10);border:1px solid rgba(168,85,247,.22);margin-bottom:16px}
.feature h3{margin:0 0 8px;font-size:19px}
.feature p{margin:0;color:var(--mut);font-size:14.5px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:13px;
  font-weight:800;font-size:18px;background:var(--grad);color:#0c0814;margin-bottom:16px}
.step h3{margin:0 0 8px;font-size:18px}
.step p{margin:0;color:var(--mut);font-size:14px}

/* sources band */
.sources{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sources-inner{border:1px solid rgba(168,85,247,.26);border-radius:24px;padding:44px 40px;
  background:linear-gradient(135deg,rgba(168,85,247,.10),rgba(99,102,241,.05));text-align:center}
.sources-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.6px;margin:0 0 12px}
.sources-inner p{color:var(--mut);font-size:16px;max-width:620px;margin:0 auto}
.source-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:22px}
.source-tags span{font-size:13px;color:var(--txt);background:rgba(255,255,255,.05);border:1px solid var(--line);padding:8px 14px;border-radius:999px}

/* final cta */
.finalcta{max-width:900px;margin:40px auto 90px;padding:60px 24px;text-align:center;
  background:radial-gradient(circle at 50% 0%,rgba(168,85,247,.12),transparent 70%);border-top:1px solid var(--line)}
.finalcta h2{font-size:clamp(30px,4.4vw,52px);font-weight:900;letter-spacing:-1.5px;margin:0 0 12px}
.finalcta p{color:var(--mut);font-size:18px;margin:0 0 28px}

/* footer */
.footer{max-width:var(--maxw);margin:0 auto;padding:34px 24px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;color:var(--mut);font-size:14px}
.foot-brand{display:flex;align-items:center;gap:11px}
.foot-brand strong{display:block;color:var(--txt)}
.foot-links{display:flex;gap:22px;margin-left:20px;flex-wrap:wrap}
.foot-links a:hover{color:var(--txt)}
.foot-copy{margin-left:auto}

@media(max-width:920px){
  .hero{grid-template-columns:1fr;padding-top:40px}
  .hero-art{order:-1}
  .window{transform:none}
  .grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .trust{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
}
@media(max-width:520px){
  .trust,.steps{grid-template-columns:1fr}
  .foot-copy{margin-left:0;width:100%}
}

/* right-to-left */
[dir="rtl"] .nav-right{margin-left:0;margin-right:auto}
[dir="rtl"] .nav-links{margin-left:0;margin-right:14px}
[dir="rtl"] .foot-links{margin-left:0;margin-right:20px}
[dir="rtl"] .foot-copy{margin-left:0;margin-right:auto}
[dir="rtl"] .lang-menu{right:auto;left:0}
[dir="rtl"] .window{transform:rotateY(9deg) rotateX(4deg)}


/* ---------- legal/doc pages ---------- */
.doc{max-width:820px;margin:0 auto;padding:120px 22px 80px}
.doc-back{display:inline-flex;align-items:center;gap:6px;color:var(--mut);text-decoration:none;font-size:14px;margin-bottom:26px}
.doc-back:hover{color:var(--violet)}
.doc h1{font-size:38px;line-height:1.1;margin:0 0 8px;letter-spacing:-1px}
.doc .doc-updated{color:var(--mut);font-size:13px;margin:0 0 34px}
.doc h2{font-size:20px;margin:34px 0 10px}
.doc p,.doc li{color:var(--mut);font-size:15.5px;line-height:1.7}
.doc a{color:var(--violet)}
.doc ul{padding-left:20px;margin:8px 0}
.doc .lead{font-size:17px;color:var(--txt);line-height:1.7;margin-bottom:8px}
.doc-contact{display:inline-block;margin-top:10px;background:var(--grad);color:#06121a;font-weight:700;
  padding:11px 20px;border-radius:12px;text-decoration:none}
.doc-contact:hover{transform:translateY(-2px)}
.faq{margin-top:8px}
.faq-item{border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,var(--card),var(--card2));padding:18px 20px;margin:12px 0}
.faq-item h3{margin:0 0 6px;font-size:16px;color:var(--txt)}
.faq-item p{margin:0}

/* ---------- right-to-left ---------- */
[dir="rtl"] .nav-right{margin-left:0;margin-right:auto}
[dir="rtl"] .nav-links{margin-left:0;margin-right:14px}
[dir="rtl"] .foot-links{margin-left:0;margin-right:20px}


/* ---------- pricing ---------- */
.pricing{max-width:520px;margin:0 auto;padding:10px 24px 30px}
.bill-toggle{display:flex;gap:6px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;padding:5px;margin:0 auto 22px;width:max-content}
.bt{background:transparent;border:0;color:var(--mut);padding:9px 18px;border-radius:9px;cursor:pointer;font:inherit;font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}
.bt.on{background:rgba(255,255,255,.08);color:var(--txt)}
.bt .save{font-size:11px;color:#06121a;background:var(--violet);padding:2px 7px;border-radius:999px;font-weight:800}
.price-card{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:22px;padding:32px;text-align:center;
  box-shadow:0 0 0 1px rgba(34,224,255,.12),0 30px 70px rgba(0,0,0,.4)}
.price-card .amt{font-size:54px;font-weight:900;letter-spacing:-2px}
.price-card .per{color:var(--mut);font-size:16px}
.price-card .note{color:var(--mut);font-size:13.5px;margin:6px 0 22px}
.price-card ul{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:11px;text-align:left;max-width:300px;margin-inline:auto}
.price-card li{position:relative;padding-left:26px;font-size:14.5px;color:var(--txt)}
.price-card li::before{content:"✓";position:absolute;left:0;color:var(--violet);font-weight:800}
.price-foot{color:var(--mut);font-size:12.5px;margin-top:14px}
[dir="rtl"] .price-card ul{text-align:right}
[dir="rtl"] .price-card li{padding-left:0;padding-right:26px}
[dir="rtl"] .price-card li::before{left:auto;right:0}

.doc a.doc-contact{color:#06121a}