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h3{font-size:1.5rem;font-weight:600;background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.qr-code{background:#fff;padding:1rem;border-radius:16px;display:inline-block;margin-bottom:1.5rem;box-shadow:0 10px 40px #0000004d}.qr-code img{display:block;width:180px;height:180px}.modal-text{color:#fffc;font-size:1rem;margin-bottom:.5rem}.modal-hint{color:#fff9;font-size:.875rem}.modal-hint .highlight{color:#8b5cf6;font-weight:600}.scroll-indicator{position:fixed;right:2rem;top:50%;transform:translateY(-50%);z-index:1000;display:flex;flex-direction:column;gap:1rem;transition:opacity .3s ease}.scroll-dot{width:12px;height:12px;border-radius:50%;background:#fff6;border:2px solid rgba(255,255,255,.6);cursor:pointer;transition:all .3s ease}.scroll-dot.active{background:#ffffffe6;box-shadow:0 0 20px #fff9;transform:scale(1.3)}.will-change-transform{will-change:transform}.will-change-opacity{will-change:opacity}.mobile-menu-btn{display:none;flex-direction:column;justify-content:space-between;width:28px;height:20px;background:none;border:none;cursor:pointer;padding:0;margin-left:auto}.mobile-menu-btn span{display:block;width:100%;height:3px;background:#fff;border-radius:2px;transition:all .3s ease}.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}.mobile-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#000000f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:1rem;flex-direction:column;gap:.5rem;border-top:1px solid rgba(255,255,255,.1)}.mobile-menu.active{display:flex}.mobile-nav-link{display:block;padding:.75rem 1rem;color:#fff;text-decoration:none;font-size:1rem;border-radius:8px;transition:background .3s ease}.mobile-nav-link:hover{background:#ffffff1a}.mobile-nav-link.mobile-cta{background:linear-gradient(135deg,#f8c91c,#e6b800);color:#000;font-weight:600;text-align:center;margin-top:.5rem}@media (max-width: 768px){.nav-container{padding:1rem;flex-wrap:wrap}.nav-menu,.nav-cta{display:none}.mobile-menu-btn{display:flex}.online-users{font-size:.75rem;padding:4px 8px;margin-left:.5rem}.hero-content{grid-template-columns:1fr;text-align:center;gap:2rem}.hero-visual{width:100%}.accordion-container{width:100%;max-height:300px}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.section-title{font-size:1.8rem}.features-grid{grid-template-columns:1fr}.security-content,.contact-content{grid-template-columns:1fr;gap:2rem}.pricing-grid{grid-template-columns:1fr}.pricing-card.featured{transform:none}.contact-stats{grid-template-columns:1fr;gap:1rem}.footer-content{flex-direction:column;text-align:center}.chat-window{width:300px;height:400px}}@media (max-width: 480px){.section{padding:1rem}.hero-title{font-size:2rem}.hero-buttons{flex-direction:column;width:100%}.btn-primary,.btn-secondary{width:100%;justify-content:center}.chat-window{width:280px;height:350px}.scroll-indicator{display:none}.main-content{scroll-snap-type:none}.section{scroll-snap-align:none}}