:root{--bg:#050616;--text:#f6f7ff;--muted:#aeb7d8;--cyan:#23f4ff;--violet:#9a35ff;--panel:rgba(255,255,255,.075);--line:rgba(255,255,255,.14);--danger:#ff6b8a;--success:#54ffc8;--shadow:0 28px 100px rgba(0,0,0,.48)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 12% 8%,rgba(154,53,255,.36),transparent 31%),radial-gradient(circle at 86% 4%,rgba(35,244,255,.28),transparent 29%),linear-gradient(180deg,#050616,#07091d 52%,#040512);min-height:100vh}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.simple-shell{width:min(1180px,calc(100% - 28px));margin:0 auto;padding:28px 0 60px}.back-link{display:inline-flex;margin-bottom:22px;padding:11px 15px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.07);color:#e7faff;font-weight:850}.registration-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:22px;align-items:start}.registration-copy,.contact-form,.content-card,.video-card{border:1px solid var(--line);border-radius:30px;background:linear-gradient(135deg,rgba(35,244,255,.11),transparent 34%),linear-gradient(315deg,rgba(154,53,255,.16),transparent 42%),var(--panel);box-shadow:var(--shadow)}.registration-copy{padding:34px;position:sticky;top:24px}.registration-copy img{width:86px;height:86px;object-fit:contain;filter:drop-shadow(0 0 24px rgba(35,244,255,.35))}.registration-copy h1,.page-title{font-size:clamp(38px,6vw,68px);line-height:.94;letter-spacing:-.07em;margin:20px 0 16px}.registration-copy p,.content-card p{color:#c7d1f1;line-height:1.58;font-size:18px}.security-box{margin-top:20px;padding:16px;border-radius:18px;border:1px solid rgba(84,255,200,.24);background:rgba(84,255,200,.08);color:#d8fff2;font-weight:800;line-height:1.4}.contact-form{padding:26px}.contact-form h2{margin:0 0 18px;font-size:38px;letter-spacing:-.06em}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}label{font-weight:850;color:#edf4ff}input,select,textarea{width:100%;min-height:48px;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(0,0,0,.22);color:#fff;padding:12px 13px;outline:none}textarea{min-height:120px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:rgba(35,244,255,.62);box-shadow:0 0 0 4px rgba(35,244,255,.12)}.hidden-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.checkbox-line{display:flex;gap:10px;align-items:flex-start;color:#dbe5ff;line-height:1.4}.checkbox-line input{width:20px;min-height:20px;flex:0 0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:999px;border:1px solid transparent;cursor:pointer;font-weight:900}.btn-primary{width:100%;background:linear-gradient(135deg,var(--cyan),var(--violet));color:#030414;box-shadow:0 18px 52px rgba(35,244,255,.20)}.status,.field-error{padding:12px 14px;border-radius:16px;line-height:1.35}.status.success{border:1px solid rgba(84,255,200,.28);background:rgba(84,255,200,.10);color:#caffec}.status.error,.field-error{border:1px solid rgba(255,107,138,.3);background:rgba(255,107,138,.1);color:#ffd5de}.form-wide-error{grid-column:1/-1;margin-bottom:12px}.page-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.content-card{padding:28px}.content-card h2{margin:0 0 12px;font-size:30px}.content-card ul{display:grid;gap:10px;margin:0;padding-left:20px;color:#dbe4ff;line-height:1.45}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.video-card{padding:18px}.video-card video{display:block;width:100%;aspect-ratio:16/9;border-radius:20px;background:#030414;object-fit:contain;border:1px solid rgba(255,255,255,.12)}.video-card h2{margin:16px 0 8px}.top-nav{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:28px}.top-nav img{width:52px;height:52px}.top-nav div{display:flex;gap:10px;flex-wrap:wrap}.top-nav a{padding:10px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.06);font-weight:850;color:#e9f6ff}@media(max-width:900px){.registration-layout,.page-grid,.video-grid{grid-template-columns:1fr}.registration-copy{position:static}.form-grid{grid-template-columns:1fr}.top-nav{align-items:flex-start;flex-direction:column}}@media(max-width:560px){.simple-shell{width:min(100% - 20px,1180px)}.registration-copy,.contact-form,.content-card,.video-card{padding:20px;border-radius:24px}.top-nav div{display:grid;width:100%}.top-nav a{width:100%;text-align:center}}