:root{--bg-base:#050505;--bg-gradient-start:#050505;--bg-gradient-mid:#080808;--bg-gradient-end:#030303;--gold-primary:#d4af37;--gold-deep:#aa7c11;--gold-light:#f3e5ab;--text-primary:#f3e5ab;--text-secondary:hsla(48,75%,81%,.75);--border-gold:rgba(212,175,55,.3);--accent-hover:rgba(212,175,55,.15)}body,html{width:100%;height:100%}body{font-family:Inter,Helvetica Neue,sans-serif;background:radial-gradient(circle at top,rgba(212,175,55,.12),transparent 25%),radial-gradient(circle at bottom right,rgba(212,175,55,.08),transparent 20%),#050505;color:var(--text-primary);margin:0;min-height:100vh;overflow-x:hidden}*{box-sizing:border-box}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}main{max-width:1200px;margin:0 auto;padding:40px 24px 60px}.header-shell{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:linear-gradient(180deg,hsla(0,0%,4%,.98),hsla(0,0%,4%,.92));border-bottom:1.5px solid 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strong{font-size:1.6rem;margin-bottom:6px}.footer{margin-top:60px;padding:24px 12px}.footer-inner{grid-template-columns:1fr;gap:24px}.footer-brand strong{font-size:1rem}.footer-brand span{font-size:.75rem}.footer-copy{text-align:left}.footer-copy p{font-size:.85rem}}@media (max-width:480px){main{padding:12px 8px 32px}.header-inner{padding:10px 8px}.logo-container{width:40px;height:40px}.logo-box img{width:32px;height:32px}.brand-main{font-size:1rem}.brand-sub{font-size:.6rem}.lang-toggle{padding:8px 10px}.form-shell{padding:16px 14px;border-radius:16px}.form-shell h2{font-size:1.2rem}.quiz-actions button{padding:11px 16px;font-size:.8rem}.modal-content{padding:40px 24px;border-radius:16px}.modal-icon{width:60px;height:60px;font-size:2.2rem}.modal-content h2{font-size:1.4rem}.modal-button,.modal-content p{font-size:.95rem}.modal-button{padding:12px 32px}}