:root{
  --bg:#050816;--ink:#eef4ff;--mute:#a3b2d8;--dim:#6c7aa3;
  --ice:#c6e6ff;--ice2:#7fc6ff;--vio:#a08cff;--pink:#ff9fd8;
  --glass:rgba(255,255,255,.06);--glass2:rgba(255,255,255,.1);--line:rgba(255,255,255,.12);
  --r:22px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden;overflow-x:clip}
body{background:var(--bg);color:var(--ink);font-family:Manrope,system-ui,-apple-system,sans-serif;line-height:1.55;overflow-x:hidden;overflow-x:clip;min-height:100vh}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
.wrap{width:min(1180px,100% - 32px);margin:0 auto}

.sky{position:fixed;inset:0;z-index:-2;overflow:hidden;background:radial-gradient(1200px 700px at 70% -10%,#162a86 0%,transparent 60%),radial-gradient(900px 600px at 0% 25%,#2b1366 0%,transparent 60%),linear-gradient(180deg,#050816,#081030 55%,#050816)}
.aurora{position:absolute;width:80vmax;height:50vmax;border-radius:50%;opacity:.55;animation:float 24s ease-in-out infinite alternate;will-change:transform}
.a1{background:radial-gradient(closest-side,rgba(47,231,200,.55),rgba(47,231,200,.18) 55%,transparent);top:-24vmax;left:-16vmax}
.a2{background:radial-gradient(closest-side,rgba(122,92,255,.6),rgba(122,92,255,.2) 55%,transparent);top:-18vmax;right:-26vmax;animation-duration:30s}
.a3{background:radial-gradient(closest-side,rgba(43,123,255,.45),rgba(43,123,255,.12) 55%,transparent);top:30vmax;left:18vmax;animation-duration:36s;opacity:.4}
@keyframes float{to{transform:translate(8vmax,6vmax) rotate(25deg) scale(1.15)}}
.stars{position:absolute;inset:0;opacity:.5;background-image:radial-gradient(1px 1px at 10% 20%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 30% 70%,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 50% 10%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 70% 40%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 85% 80%,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 92% 15%,#fff 50%,transparent 51%),radial-gradient(1px 1px at 20% 90%,#fff 50%,transparent 51%);background-size:420px 420px;animation:tw 6s ease-in-out infinite alternate;will-change:opacity}
@keyframes tw{to{opacity:.18}}
#snow{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:50}

nav.top{position:fixed;top:12px;left:0;right:0;z-index:60}
.navin{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 9px 9px 16px;border-radius:999px;background:rgba(10,15,44,.88);border:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:10px;font-family:Unbounded;font-weight:700;font-size:17px;letter-spacing:-.02em}
.logo svg{width:30px;height:30px}
.logo .spin{animation:spin 18s linear infinite;transform-origin:center}
@keyframes spin{to{transform:rotate(360deg)}}
.links{display:flex;gap:2px}
.links a{padding:8px 14px;border-radius:999px;color:var(--mute);font-weight:600;font-size:14px;transition:.2s}
.links a:hover{color:var(--ink);background:var(--glass2)}
@media(max-width:860px){.links{display:none}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:999px;font-weight:800;transition:transform .2s,box-shadow .2s,background .2s,opacity .2s}
.btn:disabled{opacity:.5;cursor:default}
.btn-ice{background:linear-gradient(135deg,#fff,#d4ecff 45%,#9fd3ff);color:#081236;padding:12px 20px;box-shadow:0 8px 30px -8px rgba(140,200,255,.7),inset 0 -2px 0 rgba(0,0,0,.08)}
.btn-ice:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(140,200,255,.95)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-ghost{background:var(--glass2);border:1px solid var(--line);padding:12px 20px}
.btn-ghost:hover{background:rgba(255,255,255,.16)}

.rv{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}

section{padding:120px 0 0}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--ice2);margin-bottom:14px}
h2{font-family:Unbounded;font-weight:800;font-size:clamp(30px,4.6vw,56px);line-height:1.03;letter-spacing:-.035em;max-width:780px}
.sub{color:var(--mute);font-size:18px;margin-top:14px;max-width:620px}

footer{margin-top:120px;padding:40px 0 50px;border-top:1px solid var(--line)}
.fin{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:flex-start}
.fl{display:flex;flex-wrap:wrap;gap:8px 22px;color:var(--mute);font-weight:600;font-size:14px}
.fl a:hover{color:var(--ink)}
.copy{margin-top:26px;color:var(--dim);font-size:13px}

/* small page shell (success, test pay, docs) */
.shell{min-height:100vh;display:grid;place-items:center;padding:100px 16px 60px}
.panelcard{width:min(560px,100%);padding:36px;border-radius:28px;background:linear-gradient(170deg,rgba(32,46,120,.92),rgba(10,16,50,.95));border:1px solid rgba(198,230,255,.22);box-shadow:0 50px 140px -40px rgba(80,140,255,.55);text-align:center}
.panelcard h1{font-family:Unbounded;font-size:clamp(26px,5vw,34px);letter-spacing:-.03em;line-height:1.1;margin:14px 0 8px}
.panelcard p{color:var(--mute)}
.keybox{margin:24px 0 8px;padding:18px;border-radius:18px;background:rgba(0,0,0,.3);border:1px dashed rgba(198,230,255,.45);font-family:ui-monospace,Menlo,monospace;font-size:clamp(17px,4.4vw,24px);font-weight:700;letter-spacing:.06em;color:#fff;word-break:break-all;cursor:pointer;transition:background .2s}
.keybox:hover{background:rgba(0,0,0,.45)}
.stack{display:grid;gap:10px;margin-top:20px}
.stack .btn{padding:15px;font-size:16px;width:100%}
.spinner{width:48px;height:48px;margin:10px auto;border-radius:50%;border:3px solid rgba(255,255,255,.15);border-top-color:#cfe9ff;animation:spin 1s linear infinite}
.tag{display:inline-flex;gap:6px;align-items:center;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:rgba(255,200,80,.15);color:#ffd27a;border:1px solid rgba(255,200,80,.3)}
.doc{max-width:780px;margin:0 auto;padding:120px 16px 60px}
.doc h1{font-family:Unbounded;font-size:clamp(28px,5vw,40px);letter-spacing:-.03em;margin-bottom:20px}
.doc h3{margin:26px 0 8px;font-size:18px}
.doc p,.doc li{color:var(--mute);margin-bottom:8px}
.doc ul{padding-left:20px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- auth / forms ---------- */
.field{display:block;margin-top:14px;text-align:left}
.field span{display:block;font-size:13px;font-weight:700;color:var(--mute);margin-bottom:7px}
.field input{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:rgba(0,0,0,.28);outline:none;font-size:16px;transition:border-color .2s,box-shadow .2s}
.field input:focus{border-color:var(--ice2);box-shadow:0 0 0 4px rgba(127,198,255,.15)}
.pw{position:relative}
.pw button{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:none;color:var(--mute);font-size:13px;font-weight:700;cursor:pointer;padding:6px 8px}
.tabsw{display:flex;gap:4px;padding:4px;border-radius:14px;background:rgba(0,0,0,.28);margin-top:16px}
.tabsw button{flex:1;border:0;background:none;padding:10px;border-radius:10px;font-weight:800;font-size:14px;color:var(--mute);cursor:pointer;transition:.2s}
.tabsw button.on{background:rgba(255,255,255,.14);color:#fff}
.or{display:flex;align-items:center;gap:12px;margin:18px 0 4px;color:var(--dim);font-size:13px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.btn-tg{width:100%;margin-top:10px;padding:14px;font-size:15px;background:#2aabee;color:#fff;box-shadow:0 10px 30px -10px rgba(42,171,238,.8)}
.btn-tg:not(:disabled):hover{transform:translateY(-2px)}
.btn-tg svg{width:20px;height:20px}
.ferr{color:#ff9bb0;font-size:13.5px;margin-top:10px;min-height:0;display:none;text-align:center}
.ferr.show{display:block;animation:shake .35s}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.hint2{font-size:12.5px;color:var(--dim);margin-top:8px;text-align:center}
.who{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.07);border:1px solid var(--line);margin:16px 0 6px;text-align:left}
.ava{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-family:Unbounded;font-weight:800;font-size:18px;background:linear-gradient(135deg,#7fc6ff,#a08cff);color:#081236;flex:none}
.who b{display:block}
.who small{color:var(--mute);font-size:12.5px}
.who a{margin-left:auto;font-size:13px;color:var(--mute);text-decoration:underline}
.msgbox{margin-top:14px;padding:14px 16px;border-radius:14px;background:rgba(0,0,0,.28);border:1px dashed rgba(198,230,255,.4);font-size:14.5px;text-align:left;line-height:1.5}
.docbtns{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.docbtns a{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:var(--glass2);border:1px solid var(--line);font-weight:700;font-size:14px;transition:background .2s}
.docbtns a:hover{background:rgba(255,255,255,.16)}
.steps3{display:grid;gap:10px;margin-top:14px;text-align:left;counter-reset:z}
.steps3 div{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--mute)}
.steps3 div::before{counter-increment:z;content:counter(z);width:26px;height:26px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:800;font-size:13px;background:rgba(127,198,255,.2);color:#cfe9ff}
.steps3 b{color:#fff}
.keyrow .keybox{font-size:clamp(13px,3.6vw,20px);white-space:nowrap;overflow-x:auto;word-break:normal}
.code6{display:flex;gap:8px;justify-content:center;margin:20px 0 6px}
.code6 i{font-style:normal;width:46px;height:58px;border-radius:14px;display:grid;place-items:center;font-family:Unbounded;font-weight:800;font-size:26px;background:rgba(0,0,0,.3);border:1px solid rgba(198,230,255,.35);animation:pop .5s cubic-bezier(.2,1.4,.4,1) backwards}
@media(max-width:380px){.code6 i{width:40px;height:52px;font-size:22px}}
.macpic{width:120px;height:80px;margin:6px auto 0;border-radius:10px 10px 4px 4px;border:4px solid #2a3050;background:linear-gradient(160deg,#3d5ad6,#8a3fd0);position:relative}
.macpic::before{content:"";position:absolute;left:0;right:0;top:0;height:12px;background:#fff;border-radius:0 0 50% 50%/0 0 100% 100%;opacity:.95}
.macpic::after{content:"";position:absolute;left:-14px;right:-14px;bottom:-12px;height:7px;border-radius:0 0 8px 8px;background:linear-gradient(180deg,#c9cfdc,#6d7386)}

/* perf: phones & weak GPUs */
@media (max-width:820px),(pointer:coarse){
  .a3{display:none}.aurora{animation-duration:40s}
  .stars{animation:none}
  nav.top .navin{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(9,14,40,.9)}
}
body.lock{overflow:hidden}
@media(max-width:440px){.navin .btn-sm{padding:8px 12px;font-size:13px}.logo{font-size:15px}.logo svg{width:26px;height:26px}}
@media(max-width:400px){.hide-xs{display:none}}