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(max-width:980px){.site-header__nav{gap:14px}.site-header__inner>.button{display:none}}@media (max-width:420px){.site-header__inner{gap:10px}.brand span:last-child{display:none}.hero h1,.page-hero h1,.legal-page h1{font-size:2.55rem}.hero__actions .button,.pre-chat__actions .button{width:100%}.message-bubble{width:92%}.chat-preview__input{grid-template-columns:1fr}.auth-shell{padding:22px 18px}.auth-shell h1,.account-shell h1{font-size:2.2rem}}