@media (max-width:1024px){.study-layout{flex-direction:column!important}.study-sidebar{flex-shrink:0;max-height:220px;width:100%!important}.study-chat{border-left:none!important;border-top:1px solid #2a2a2a;max-height:280px;width:100%!important}.stats-grid,.tools-grid{grid-template-columns:repeat(2,1fr)!important}.dash-two-col{grid-template-columns:1fr!important}}@media (max-width:640px){.vl-nav{padding:.75rem 1rem!important}.nav-links{display:none!important}.nav-actions{gap:.4rem!important}.nav-actions .lang-btn{font-size:.7rem!important;padding:.25rem .4rem!important}.hero-section{padding:4rem 1rem 3rem!important}.hero-cta{align-items:stretch!important;flex-direction:column!important}.hero-cta button{width:100%!important}.course-cards,.pricing-grid{grid-template-columns:1fr!important}.pricing-grid{max-width:100%!important}.tools-grid{grid-template-columns:1fr!important}.stats-grid{grid-template-columns:repeat(2,1fr)!important}.dash-cta{flex-direction:column!important}.dash-cta button{width:100%!important}.optional-grid{grid-template-columns:1fr!important}.auth-modal-inner{border-radius:16px 16px 0 0!important;bottom:0!important;position:fixed!important;width:100%!important}.onboard-inner{padding:1.5rem 1rem!important}.study-sidebar{max-height:180px}.study-chat{max-height:240px}.vl-section{padding:3rem 1rem!important}.section-title{font-size:1.75rem!important}.testimonial-card{max-width:280px!important;min-width:280px!important}.qpaper-grid{grid-template-columns:1fr!important}}