:root{
  --bg:#0a0e22; --bg2:#0e1430; --card:rgba(25,32,66,.55); --line:rgba(120,140,220,.16);
  --ink:#eaf0ff; --muted:#9fb0d8; --cyan:#22d3ee; --violet:#8b5cf6; --green:#34d399;
  --radius:18px; --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg); color:var(--ink); overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.bg-glow{position:fixed;inset:0;z-index:-1;
  background:
    radial-gradient(680px 420px at 78% -8%, rgba(139,92,246,.30), transparent 60%),
    radial-gradient(560px 360px at 12% 8%, rgba(34,211,238,.22), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, rgba(34,211,238,.12), transparent 60%);
}

/* nav */
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;
  padding:16px 26px;max-width:var(--maxw);margin:0 auto;
  backdrop-filter:blur(8px);}
.logo{font-weight:800;font-size:20px;display:flex;align-items:center;gap:10px;letter-spacing:.2px}
.logo-orb{width:18px;height:18px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #b9f6ff, var(--cyan) 55%, var(--violet));
  box-shadow:0 0 14px rgba(34,211,238,.8)}
.nav-links{display:flex;gap:24px;margin-left:auto;color:var(--muted);font-weight:500}
.nav-links a:hover{color:#fff}

/* buttons */
.btn{border:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:15px;
  padding:13px 22px;border-radius:12px;transition:transform .12s ease,box-shadow .2s,background .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{color:#04121a;background:linear-gradient(135deg,#7af0ff,var(--cyan) 55%,var(--violet));
  box-shadow:0 8px 26px rgba(34,211,238,.35)}
.btn-primary:hover{box-shadow:0 10px 32px rgba(139,92,246,.45)}
.btn-ghost{color:#eaf0ff;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-buy{color:#04121a;background:linear-gradient(135deg,#9bf6ff,var(--cyan))}
.btn-buy:hover{filter:brightness(1.05)}

/* hero */
.hero{max-width:var(--maxw);margin:0 auto;padding:54px 26px 26px}
.pill{display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:999px;
  color:#bfe9f5;background:rgba(34,211,238,.08);font-size:13px;font-weight:600;margin-bottom:18px}
.hero h1{font-size:50px;line-height:1.05;margin:0 0 16px;font-weight:800;letter-spacing:-1px}
.grad{background:linear-gradient(90deg,#7af0ff,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:18px;line-height:1.55;max-width:520px;margin:0 0 26px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.platforms{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}
.platforms i{font-style:normal;font-size:22px;filter:grayscale(.2)}

/* robot */
.hero-robot{display:flex;flex-direction:column;align-items:center;justify-content:center}
#robot{filter:drop-shadow(0 22px 40px rgba(34,211,238,.18));animation:float 5s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
#robot-head{transform-box:fill-box;transform-origin:center bottom;transition:transform .12s ease-out}
#pupil-l,#pupil-r,#antenna{transition:transform .08s linear}
.robot-hint{margin-top:8px;color:var(--muted);font-size:13px}

/* sections */
.section{max-width:var(--maxw);margin:0 auto;padding:64px 26px}
.section-title{font-size:34px;font-weight:800;text-align:center;margin:0 0 8px}
.section-sub{text-align:center;color:var(--muted);max-width:620px;margin:0 auto 34px;font-size:16px}

/* tariffs */
.tariffs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tcard{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 18px;backdrop-filter:blur(8px);display:flex;flex-direction:column;gap:8px}
.tcard-hot{border-color:rgba(34,211,238,.6);box-shadow:0 12px 40px rgba(34,211,238,.18);transform:translateY(-6px)}
.tbadge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);white-space:nowrap;
  background:linear-gradient(135deg,var(--cyan),var(--violet));color:#04121a;font-size:11px;font-weight:800;
  padding:4px 11px;border-radius:999px}
.tname{color:var(--muted);font-weight:600}
.tprice{font-size:32px;font-weight:800}
.tprice .cur{font-size:17px;color:var(--muted)}
.tprice .free{font-size:26px;color:var(--green)}
.tnote{color:var(--muted);font-size:13px;min-height:18px}
.tfeat{list-style:none;padding:0;margin:8px 0 14px;color:#cdd8f5;font-size:14px}
.tfeat li{padding:5px 0 5px 22px;position:relative}
.tfeat li:before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:800}
.tbtn{margin-top:auto;width:100%}

/* features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.fico{font-size:30px;margin-bottom:10px}
.fcard h3{margin:0 0 6px;font-size:18px}
.fcard p{margin:0;color:var(--muted);line-height:1.5}

/* servers */
.servers{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.server{display:flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:12px 14px;font-weight:600}
.server .flag{font-size:20px}

/* steps */
.how .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.snum{width:44px;height:44px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;font-weight:800;
  color:#04121a;background:linear-gradient(135deg,var(--cyan),var(--violet))}
.step h3{margin:0 0 6px}
.step p{margin:0;color:var(--muted)}

/* faq */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 18px}
.faq summary{cursor:pointer;padding:14px 0;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";color:var(--cyan);font-weight:800;margin-right:10px}
.faq details[open] summary:before{content:"–"}
.faq p{margin:0 0 14px;color:var(--muted);line-height:1.55}

/* footer */
.footer{border-top:1px solid var(--line);margin-top:40px;padding:30px 26px;max-width:var(--maxw);
  margin-left:auto;margin-right:auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap;color:var(--muted)}
.foot-brand{font-weight:800;color:#fff;display:flex;align-items:center;gap:9px}
.foot-links{display:flex;gap:18px;margin-left:auto}
.foot-links a:hover{color:#fff}
.foot-legal{width:100%;font-size:13px;opacity:.8}

/* modal */
/* без backdrop-filter: на iOS Safari он ломает фокус/ввод в полях внутри модалки */
.modal-overlay{position:fixed;inset:0;z-index:50;background:rgba(4,8,22,.86);
  display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto}
.modal-overlay[hidden]{display:none}
.modal{position:relative;width:100%;max-width:440px;background:linear-gradient(180deg,#161e44,#10162f);
  border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.modal-x{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer}
.modal h3{margin:0 0 6px;font-size:22px}
.modal .m-sub{color:var(--muted);margin:0 0 18px}
.modal label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.modal input{width:100%;padding:13px 14px;border-radius:11px;border:1px solid var(--line);
  background:#0c1230;color:#fff;font-size:16px;margin-bottom:16px;font-family:inherit}
.modal input:focus{outline:none;border-color:var(--cyan)}
.m-row{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}
.m-row .m-amount{font-size:26px;font-weight:800}
.m-result{background:#0c1230;border:1px dashed var(--line);border-radius:11px;padding:12px;
  word-break:break-all;font-size:13px;color:#bfe9f5;margin:8px 0 14px;font-family:ui-monospace,monospace}
.m-note{color:var(--muted);font-size:13px;line-height:1.5}
.m-ok{color:var(--green);font-weight:700}
.inst-step{display:flex;align-items:center;gap:9px;margin:14px 0 8px;font-weight:600;font-size:14px}
.inst-n{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;
  color:#04121a;background:linear-gradient(135deg,var(--cyan),var(--violet))}
.app-links{display:flex;gap:10px}
.app-btn{flex:1;text-align:center;padding:11px 8px;border-radius:11px;font-weight:700;font-size:14px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:#eaf0ff}
.app-btn:hover{background:rgba(255,255,255,.12)}
.connect-btn{display:block;width:100%;text-align:center;text-decoration:none;font-size:16px}

/* отвязка карты */
.card-unbind{max-width:520px;margin:0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card-unbind input{width:100%;padding:13px 14px;border-radius:11px;border:1px solid var(--line);
  background:#0c1230;color:#fff;font-size:16px;font-family:inherit;margin-bottom:12px}
.card-unbind input:focus{outline:none;border-color:var(--cyan)}
.cu-row{display:flex;gap:10px}
.cu-row input{flex:1}
.cu-row .btn{white-space:nowrap}
.ok{color:var(--green);font-size:13px;margin:-4px 0 12px}
.err{color:#fca5a5;font-size:13px;margin:-8px 0 12px}

@media (max-width:1000px){
  .hero{grid-template-columns:1fr;text-align:center}
  .hero-text{order:2} .hero-robot{order:1}
  .hero h1{font-size:38px} .hero-cta{justify-content:center} .platforms{justify-content:center}
  .lead{margin-left:auto;margin-right:auto}
  .tariffs{grid-template-columns:repeat(2,1fr)} .features{grid-template-columns:1fr}
  .servers{grid-template-columns:repeat(3,1fr)} .how .steps{grid-template-columns:1fr}
  .nav-links{display:none}
}
@media (max-width:560px){ .tariffs{grid-template-columns:1fr} .servers{grid-template-columns:repeat(2,1fr)} }