*{box-sizing:border-box}
:root{--cyan:#51e5ff;--cyan2:#b6f8ff;--bg:#020509;--muted:#8d9aa8;--line:#ffffff14}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;color:#f6fbff;background:var(--bg)}
body{overflow-x:hidden}
.scene{position:fixed;inset:0;overflow:hidden;background:
radial-gradient(900px 520px at 50% -8%,#0b667d42,transparent 62%),
radial-gradient(600px 500px at 90% 80%,#1640a02a,transparent 65%),
linear-gradient(145deg,#020509,#050b11 48%,#020509);z-index:0}
.grid{position:absolute;inset:0;opacity:.22;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:55px 55px;transform:perspective(700px) rotateX(62deg) scale(1.7);transform-origin:center bottom;top:48%}
.glow{position:absolute;border-radius:50%;filter:blur(100px);opacity:.25}.glow-a{width:420px;height:420px;background:#00d9ff;left:-180px;top:20%}.glow-b{width:420px;height:420px;background:#5c46ff;right:-220px;bottom:-120px}
.stars{position:absolute;inset:0;background-image:radial-gradient(#fff9 1px,transparent 1px);background-size:130px 130px;opacity:.18}
.page{position:relative;z-index:1;width:min(650px,calc(100% - 30px));margin:auto;padding:34px 0 32px}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:39px;height:39px;border-radius:12px;display:grid;place-items:center;font-weight:1000;color:#001016;background:linear-gradient(135deg,var(--cyan),var(--cyan2));box-shadow:0 0 35px #51e5ff2b}.brand-name{font-size:15px;font-weight:950;letter-spacing:.22em}.brand-name span{color:var(--cyan)}.brand-sub{font-size:8px;color:#71808e;letter-spacing:.22em;margin-top:2px}
.hero{text-align:center;padding:78px 0 35px}.eyebrow{display:inline-block;padding:8px 12px;border:1px solid #51e5ff38;background:#51e5ff0b;border-radius:99px;color:#a6effa;font-size:9px;font-weight:900;letter-spacing:.18em}
h1{font-size:clamp(46px,9vw,78px);line-height:.93;letter-spacing:-.065em;margin:20px 0 17px}h1 span{background:linear-gradient(90deg,#fff,var(--cyan2));-webkit-background-clip:text;background-clip:text;color:transparent}p{color:var(--muted);line-height:1.65;font-size:14px;max-width:450px;margin:auto}
.panel{position:relative;padding:28px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(145deg,#0b1118e8,#070b10e8);box-shadow:0 35px 100px #000a,0 0 0 1px #51e5ff05;backdrop-filter:blur(18px);overflow:hidden}.panel:before{content:"";position:absolute;width:260px;height:100px;right:-90px;top:-80px;background:#51e5ff22;filter:blur(35px)}
.panel-top{display:flex;align-items:center;gap:12px;margin-bottom:22px}.mini-icon{width:42px;height:42px;border-radius:13px;border:1px solid #51e5ff40;background:#51e5ff0b;color:#9ff3ff;display:grid;place-items:center;font-weight:1000}.panel-title{font-size:12px;font-weight:950;letter-spacing:.12em}.panel-caption{font-size:11px;color:#667582;margin-top:3px}
label{display:block;font-size:10px;font-weight:900;letter-spacing:.14em;color:#aebbc6;margin-bottom:8px}input{width:100%;height:58px;border:1px solid #ffffff14;border-radius:14px;background:#03070b;color:#fff;padding:0 16px;font-size:16px;outline:none;transition:.2s}input::placeholder{color:#52606c}input:focus{border-color:#51e5ff70;box-shadow:0 0 0 4px #51e5ff0b}
button{font-family:inherit}.panel>button{width:100%;height:58px;margin-top:15px;border:0;border-radius:14px;background:linear-gradient(100deg,var(--cyan),var(--cyan2));color:#021014;font-weight:1000;letter-spacing:.08em;display:flex;align-items:center;justify-content:center;gap:12px;cursor:pointer;box-shadow:0 15px 35px #51e5ff1d}.panel>button:hover{transform:translateY(-1px)}.panel>button:disabled{opacity:.7;cursor:wait}.arrow{font-size:20px;margin-left:5px}.btn-icon{font-size:14px}
.result{margin-top:17px;border-radius:15px;padding:18px;background:#04090d;border:1px solid var(--line);animation:up .25s ease}.hidden{display:none}.success{border-color:#43e0a244}.error{border-color:#ff5c7048;color:#ffc5cd}.success-head{font-weight:950;letter-spacing:.08em;font-size:12px}.success-head span{display:inline-grid;place-items:center;width:23px;height:23px;border-radius:7px;background:#43e0a21a;color:#65e8b2;margin-right:7px}.result-label{font-size:9px;color:#697987;font-weight:900;letter-spacing:.14em;margin-top:17px}.result-name{font-weight:800;margin-top:4px}.key-box{display:flex;align-items:center;gap:8px;margin-top:7px;padding:5px 5px 5px 13px;border:1px solid #ffffff12;border-radius:11px;background:#020508}.key-box span{font-size:14px;font-weight:900;letter-spacing:.06em;overflow:auto;white-space:nowrap}.key-box button{margin-left:auto;flex:none;border:1px solid #51e5ff38;background:#51e5ff0d;color:#9ff3ff;border-radius:8px;padding:9px 11px;font-size:9px;font-weight:900;cursor:pointer}.expiry{font-size:11px;color:#6e7c88;margin-top:13px}.expiry b{color:#b8c5cf}
.note{text-align:center;color:#53616d;font-size:10px;margin-top:18px;letter-spacing:.04em}footer{text-align:center;color:#46535f;font-size:9px;letter-spacing:.18em;margin-top:28px}footer b{color:#51e5ff}
.shake{animation:shake .35s}.key{color:#9ff3ff}@keyframes up{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}@keyframes shake{25%{transform:translateX(-6px)}50%{transform:translateX(6px)}75%{transform:translateX(-4px)}}
@media(max-width:520px){.page{padding-top:24px}.hero{padding-top:55px}.panel{padding:21px}h1{font-size:49px}.key-box span{font-size:12px}}