:root{--bg:#0a0e14;--bg-soft:#111823;--line:rgba(255,255,255,0.09);--text:#e8edf5;--muted:#8b98ad;--accent:#3ddc84;--accent-dim:#1f9d5b;--warn:#ffb020;--radius:14px;--maxw:1080px}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}body{background:radial-gradient(1000px 620px at 78% -12%,rgba(61,220,132,.13),transparent 62%),radial-gradient(760px 520px at 8% 8%,rgba(80,150,255,.09),transparent 60%),var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}.page,body{min-height:100vh}.page{max-width:var(--maxw);margin:0 auto;padding:28px 22px 56px;display:flex;flex-direction:column}.header{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.header,.logo{align-items:center}.logo{display:inline-flex;gap:10px;font-size:20px;font-weight:700;letter-spacing:-.02em}.logo-mark{width:34px;height:34px;flex:0 0 34px}.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03);color:var(--muted);font-size:13px;white-space:nowrap}.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(61,220,132,.6);animation:pulse 2.4s ease-out infinite}@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,220,132,.55)}70%{box-shadow:0 0 0 9px rgba(61,220,132,0)}to{box-shadow:0 0 0 0 rgba(61,220,132,0)}}.hero{flex:1 1;display:grid;grid-template-columns:1.15fr .85fr;grid-gap:48px;gap:48px;align-items:center;padding:64px 0 40px}h1{margin:0 0 18px;font-size:clamp(34px,6vw,58px);line-height:1.06;letter-spacing:-.035em;font-weight:800}h1 .accent{background:linear-gradient(96deg,var(--accent),#7ce6ff);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{margin:0 0 30px;max-width:52ch;color:var(--muted);font-size:clamp(16px,2vw,18.5px)}.features{list-style:none;margin:0 0 34px;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));grid-gap:12px;gap:12px}.features li{display:flex;align-items:flex-start;gap:10px;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.025);font-size:14.5px;line-height:1.45}.features svg{flex:0 0 18px;margin-top:2px;color:var(--accent)}.form{display:flex;gap:10px;flex-wrap:wrap;max-width:480px}.form input{flex:1 1 220px;min-width:0;padding:13px 16px;border:1px solid var(--line);border-radius:11px;background:var(--bg-soft);color:var(--text);font:inherit;font-size:15px;transition:border-color .16s ease,box-shadow .16s ease}.form input::placeholder{color:#5f6b7d}.form input:focus{outline:none;border-color:var(--accent-dim);box-shadow:0 0 0 3px rgba(61,220,132,.14)}.form button{padding:13px 24px;border:0;border-radius:11px;background:var(--accent);color:#05130b;font:inherit;font-size:15px;font-weight:650;cursor:pointer;transition:background .16s ease,transform .12s ease,opacity .16s ease}.form button:hover:not(:disabled){background:#55e696}.form button:active:not(:disabled){transform:translateY(1px)}.form button:disabled{opacity:.55;cursor:not-allowed}.form-note{margin:12px 0 0;font-size:13.5px;min-height:20px;color:var(--muted)}.form-note.ok{color:var(--accent)}.form-note.err{color:#ff7a7a}.visual{display:flex;justify-content:center}.battery{width:100%;max-width:330px;height:auto}.battery .fill{transform-origin:left center;animation:charge 4.2s cubic-bezier(.4,0,.2,1) infinite}@keyframes charge{0%{transform:scaleX(.06);opacity:.75}55%{transform:scaleX(1);opacity:1}85%{transform:scaleX(1);opacity:1}to{transform:scaleX(.06);opacity:.75}}.battery .bolt{animation:flicker 4.2s ease-in-out infinite}@keyframes flicker{0%,38%{opacity:.28}55%,85%{opacity:1}to{opacity:.28}}.footer{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px}.footer,.footer a{color:var(--muted)}.footer a{text-decoration:none;border-bottom:1px solid transparent;transition:color .16s ease,border-color .16s ease}.footer a:hover{color:var(--text);border-bottom-color:var(--accent-dim)}@media (max-width:860px){.hero{grid-template-columns:1fr;gap:34px;padding:40px 0 32px}.visual{order:-1}.battery{max-width:240px}}@media (prefers-reduced-motion:reduce){.battery .bolt,.battery .fill,.dot{animation:none}.battery .fill{transform:scaleX(1)}}