[hidden]{display:none !important}
:root{
  --bg:#05080d;
  --ink:#eef6ff;
  --muted:#9fb0c3;
  --accent:#6ee7ff;
  --violet:#b794ff;
  --gold:#f5c451;
  --bad:#ff7a88;
  --ok:#3ee0a0;
  --glass:rgba(10,16,26,.62);
  --line:rgba(255,255,255,.14);
  --font:"Vazirmatn","Segoe UI",Tahoma,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:var(--font);}
body{
  overflow-x:hidden;
  font-size:16px;line-height:1.75;font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
.skip{position:absolute;inset-inline-start:-999px;top:8px;background:var(--accent);color:#041018;padding:8px 12px;border-radius:8px;z-index:40;font-weight:800}
.skip:focus{inset-inline-start:8px}
#space{position:fixed;inset:0;z-index:0;width:100%;height:100%}
.scene{position:fixed;inset:0;z-index:0;pointer-events:none;perspective:1200px;transform-style:preserve-3d}
.layer{position:absolute;inset:-20%;border-radius:40%;filter:blur(40px);opacity:.45;transform:translateZ(0)}
.layer-far{background:radial-gradient(circle at 20% 20%, rgba(110,231,255,.18), transparent 45%),radial-gradient(circle at 80% 0%, rgba(183,148,255,.16), transparent 40%)}
.layer-mid{background:radial-gradient(circle at 70% 80%, rgba(245,196,81,.12), transparent 42%)}
.layer-near{background:radial-gradient(circle at 10% 90%, rgba(62,224,160,.1), transparent 40%)}
.top,.hero,.block,footer{position:relative;z-index:1}
.top{display:flex;align-items:center;gap:18px;padding:18px 7vw;position:sticky;top:0;backdrop-filter:blur(18px);background:rgba(5,8,13,.72);border-bottom:1px solid var(--line);z-index:5}
.brand{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;font-weight:800;letter-spacing:.02em}
.mark{width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 30% 30%, #fff, var(--accent) 40%, #0a2 80%);box-shadow:0 0 18px var(--accent)}
nav{display:flex;gap:16px;flex:1;flex-wrap:wrap}
nav a,footer a,.text-link{color:var(--muted);text-decoration:none}
nav a:hover,.text-link{color:var(--accent)}
.top-actions{display:flex;gap:8px}
button,.primary,.ghost{font:inherit;border-radius:999px;border:1px solid var(--line);background:transparent;color:inherit;padding:10px 16px;cursor:pointer}
.primary{background:linear-gradient(135deg,var(--accent),var(--violet));color:#071018;border:0;font-weight:800}
a.primary{display:inline-block;text-decoration:none;text-align:center;margin-top:12px}
.ghost{background:rgba(255,255,255,.04)}
.xl{padding:14px 22px;font-size:1.02rem}
.wide{width:100%}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;padding:64px 7vw 40px;align-items:center}
.eyebrow{color:var(--gold);letter-spacing:.12em;font-size:.78rem;margin:0 0 10px;font-weight:600}
h1{font-size:clamp(1.8rem,4vw,3.2rem);line-height:1.35;margin:0 0 16px;font-weight:800}
.lead{color:var(--muted);font-size:1.08rem;line-height:1.9;max-width:46rem}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:22px 0}
.stats{display:flex;gap:24px;padding:0;list-style:none;margin:28px 0 0}
.stats b{display:block;font-size:1.3rem;color:var(--accent)}
.stats span{color:var(--muted);font-size:.82rem}
.stage{height:420px;perspective:1400px;transform-style:preserve-3d;position:relative}
.rig{position:absolute;width:180px;height:220px;padding:22px;border-radius:28px;background:linear-gradient(160deg,rgba(255,255,255,.12),rgba(255,255,255,.03));border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.35);transform-style:preserve-3d;transition:transform .2s ease}
.rig .lens{width:88px;height:88px;border-radius:50%;margin:8px auto 16px;background:radial-gradient(circle at 35% 30%, #dbeafe, #082f49 42%, #020617 70%);box-shadow:inset 0 0 0 8px rgba(255,255,255,.08),0 0 32px rgba(110,231,255,.35);transform:translateZ(28px)}
.rig h2,.rig p{margin:0;text-align:center}
.rig p{color:var(--muted);font-size:.85rem}
.classic{inset-inline-start:8%;top:70px;transform:rotateY(18deg) rotateX(8deg);animation:floaty 7s ease-in-out infinite}
.dual{animation:floaty 8s ease-in-out infinite reverse}
.vision{animation:floaty 9s ease-in-out infinite}
@keyframes floaty{0%,100%{translate:0 0}50%{translate:0 -10px}}
@media (prefers-reduced-motion: reduce){
  .classic,.dual,.vision,.card:hover,.product:hover{animation:none;transform:none}
}
.dual{inset-inline-start:38%;top:18px;transform:rotateY(-8deg) rotateX(12deg) translateZ(40px)}
.vision{inset-inline-end:4%;top:90px;transform:rotateY(-22deg) rotateX(6deg)}
.block{padding:48px 7vw}
.block-head h2{margin:0 0 8px;font-size:1.7rem;font-weight:800}
.block-head p{margin:0 0 24px;color:var(--muted)}
.cards,.shop-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card,.product{padding:22px;border-radius:24px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(16px);transform:translateZ(0);transition:transform .25s ease, box-shadow .25s ease}
.card:hover,.product:hover{transform:translateY(-8px) rotateX(6deg);box-shadow:0 24px 50px rgba(0,0,0,.35)}
.card h3,.product h3{margin:0 0 8px}
.price{color:var(--gold);font-weight:800;margin:12px 0}
.tag{display:inline-block;font-size:.72rem;padding:4px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted);margin-bottom:10px}
.faq details{background:var(--glass);border:1px solid var(--line);border-radius:16px;padding:14px 18px;margin-bottom:10px}
.faq p{color:var(--muted)}
footer{padding:28px 7vw 80px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line)}
.auth{position:fixed;inset:0;background:rgba(2,6,12,.72);display:grid;place-items:center;padding:20px;z-index:40}
.auth-card{width:min(440px,100%);background:#0b1220;border:1px solid var(--line);border-radius:28px;padding:22px;position:relative;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.auth-card h3{margin:8px 0 16px}
.auth-card label{display:block;margin:10px 0 6px;color:var(--muted);font-size:.86rem}
.auth-card input{width:100%;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:inherit;font:inherit}
.tabs{display:flex;gap:6px;margin-bottom:8px}
.tabs button{flex:1}
.tabs button[aria-selected="true"]{background:rgba(110,231,255,.16);border-color:var(--accent)}
.close{position:absolute;inset-inline-end:12px;top:10px;width:36px;height:36px;border-radius:50%;padding:0}
.err{color:var(--bad);min-height:1.2em;font-size:.86rem}
.hint{color:var(--muted);font-size:.82rem;line-height:1.7}
.android-shortcut{display:inline-flex;align-items:center;gap:12px;min-height:44px;color:var(--accent);text-decoration:none;font-weight:600}
.android-download{padding-top:12px;scroll-margin-top:112px}
.android-panel{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:center;padding:clamp(24px,4vw,48px);border:1px solid rgba(110,231,255,.3);border-radius:28px;background:radial-gradient(ellipse at top right,rgba(110,231,255,.12),transparent 65%),#0b121e;box-shadow:0 20px 60px rgba(0,0,0,.18)}
.android-copy,.android-install{min-width:0}
.android-copy h2{font-size:clamp(1.65rem,2.8vw,2.35rem);line-height:1.5;margin:0 0 14px}
.android-copy>p:not(.eyebrow){color:var(--muted);max-width:40rem;margin:0 0 20px}
.android-features{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.android-features li{display:flex;align-items:baseline;gap:10px}
.android-features li:before{content:'✓';color:var(--accent);font-weight:800;flex:none}
.android-install{padding:24px;border:1px solid var(--line);border-radius:20px;background:rgba(5,8,13,.55)}
.android-app-heading{display:flex;gap:14px;align-items:center}
.android-app-heading img{border-radius:14px;flex:none}
.android-app-heading h3{font-size:1.1rem;margin:0 0 4px}
.android-app-heading p{font-size:.85rem;color:var(--muted);margin:0}
.android-release{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.android-release>span{border:1px solid var(--line);border-radius:8px;padding:4px 10px;color:var(--muted);font-size:.8rem}
a.android-download-button{display:flex;align-items:center;justify-content:center;gap:10px;margin:0;min-height:52px;border-radius:14px;line-height:1.5}
.android-download-button svg{flex:none}
.android-file-note{color:var(--muted);text-align:center;font-size:.75rem;margin:8px 0}
.android-web-link{display:flex;align-items:center;justify-content:center;min-height:44px;margin:8px 0;color:var(--accent);text-decoration:none}
.android-help{border-top:1px solid var(--line);padding-top:12px;font-size:.82rem;color:var(--muted)}
.android-help summary{cursor:pointer;min-height:44px;align-content:center;color:var(--ink)}
.android-help ol{padding-inline-start:20px;margin:10px 0 0}
.android-help li+li{margin-top:10px}
.android-download a:focus-visible,.android-help summary:focus-visible,.android-shortcut:focus-visible,.top a:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:6px}
@media(max-width:900px){.android-panel{grid-template-columns:1fr;gap:24px}.android-download{scroll-margin-top:190px}}
@media(max-width:480px){.android-download{padding-inline:16px}.android-panel{padding:22px 16px;border-radius:22px}.android-install{padding:18px 14px}.android-app-heading{gap:10px}.android-app-heading img{width:48px;height:48px}}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:28px}
  .stage{height:280px}
  .rig{width:140px;height:180px}
  .top{flex-wrap:wrap;gap:10px 14px;padding:12px 16px;padding-top:max(12px, env(safe-area-inset-top))}
  nav{display:flex;flex:1 1 100%;flex-wrap:wrap;gap:8px 14px}
  .top-actions{margin-inline-start:auto}
}

/* customer security: terms consent at signup, and the terms page */
.auth-card label.terms-row{display:flex;gap:8px;align-items:flex-start;color:inherit;line-height:1.7}
.auth-card .terms-row input{width:auto;margin-top:6px;flex:none}
.terms-page{max-width:820px;margin:0 auto;padding:32px 18px 64px;line-height:1.95}
.terms-page h1{font-size:1.6rem;margin:0 0 6px}
.terms-page h2{font-size:1.1rem;margin:28px 0 8px}
.terms-page p,.terms-page li{color:var(--muted)}
.terms-page ul{padding-inline-start:22px}
.terms-page .meta{font-size:.85rem}