:root{
  --bg:#04111b; --bg2:#08202e; --card:#102d3d; --text:#f4fbff;
  --muted:#a8c9d4; --teal:#22c7bd; --teal2:#12a7a2;
  --line:rgba(34,199,189,.25); --danger:#ffb4b4; --success:#b9ffe8;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(135deg,var(--bg),var(--bg2),var(--bg));color:var(--text)}
header{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 7%;border-bottom:1px solid var(--line);background:rgba(3,14,23,.95)}
.brand{display:flex;align-items:center;gap:14px}.logo{width:48px;height:48px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--teal),var(--teal2));color:#061622;font-weight:900}
.brand h1{font-size:20px;margin:0}.brand p{font-size:13px;margin:3px 0 0;color:var(--muted)}
nav a{color:var(--text);text-decoration:none;font-weight:700;margin-left:20px;font-size:14px}
main{min-height:calc(100vh - 78px);display:grid;grid-template-columns:1fr 1fr}
.hero{padding:70px 8%;border-right:1px solid var(--line)}.hero h2{font-size:46px;line-height:1.05;margin:0 0 18px}.hero p{color:var(--muted);line-height:1.7;font-size:17px;max-width:620px}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.badge{padding:10px 14px;border:1px solid var(--line);border-radius:999px;color:#cafffb;background:rgba(34,199,189,.08);font-size:13px;font-weight:700}
.panelWrap{padding:42px 7%;display:flex;align-items:center}.panel{width:100%;max-width:620px;background:linear-gradient(180deg,rgba(16,45,61,.95),rgba(6,22,34,.95));border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 22px 60px rgba(0,0,0,.22)}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}.tab{border:1px solid var(--line);border-radius:14px;padding:14px;cursor:pointer;background:rgba(255,255,255,.03);color:var(--text);font-weight:900}
.tab.active{background:linear-gradient(135deg,var(--teal),var(--teal2));color:#04111b}
.form{display:none}.form.active{display:block}label{display:block;margin:14px 0 7px;color:#d9f8ff;font-size:13px;font-weight:800}
input,textarea,select{width:100%;border:1px solid rgba(160,220,230,.22);background:#eaf3ff;color:#061622;border-radius:14px;padding:14px 15px;font-size:15px;outline:none}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.submit{width:100%;margin-top:18px;border:none;border-radius:16px;padding:16px;background:linear-gradient(135deg,var(--teal),var(--teal2));color:#04111b;font-weight:900;cursor:pointer;font-size:15px}
.notice{display:none;margin-top:18px;padding:14px;border-radius:14px;border:1px solid var(--line);color:var(--muted);line-height:1.5}
.notice.error{display:block;color:var(--danger);background:rgba(255,80,80,.12);border-color:rgba(255,80,80,.55)}
.notice.success{display:block;color:var(--success);background:rgba(34,199,189,.16);border-color:rgba(34,199,189,.55)}
.small{color:var(--muted);font-size:13px;line-height:1.5;margin-top:14px}
@media(max-width:900px){header{padding:16px 5%;align-items:flex-start}nav a{margin-left:12px}main{grid-template-columns:1fr}.hero{padding:40px 5%;border-right:0;border-bottom:1px solid var(--line)}.hero h2{font-size:34px}.panelWrap{padding:30px 5%}.grid{grid-template-columns:1fr}}