.smart-banner{text-align:center;backdrop-filter:blur(10px);background:linear-gradient(135deg,#4bcec91a 0%,#242424cc 100%);border:1px solid #4bcec94d;border-radius:16px;max-width:800px;margin:2rem auto;padding:2rem;animation:.8s forwards fadeUpIn;display:none;box-shadow:0 10px 30px #0003}@keyframes fadeUpIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.smart-banner h3{color:var(--element-fg);margin-bottom:1rem;font-size:1.5rem}.smart-banner p{color:var(--element-fg-secondary);margin-bottom:1.5rem}.smart-banner .btn-group{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.download-grid{grid-template-columns:1fr;gap:2rem;max-width:1000px;margin:4rem auto;display:grid}@media (width>=768px){.download-grid{grid-template-columns:repeat(3,1fr)}}.download-card{text-align:center;transition:var(--transition);backdrop-filter:blur(10px);background:#24242480;border:1px solid #ffffff0d;border-radius:24px;flex-direction:column;align-items:center;padding:3rem 2rem;display:flex;box-shadow:0 10px 30px #0000001a}.download-card:hover{background:#242424cc;border-color:#4bcec94d;transform:translateY(-10px);box-shadow:0 20px 40px #0000004d,0 0 30px #4bcec91a}.download-card.highlight{border-color:var(--element-brand);background:linear-gradient(#4bcec90d,#242424cc)}.os-icon{width:80px;height:80px;color:var(--element-fg);margin-bottom:1.5rem}.download-card:hover .os-icon{color:var(--element-brand)}.download-card h3{margin-bottom:1rem;font-size:1.5rem}.download-card p{color:var(--element-fg-secondary);flex-grow:1;margin-bottom:2rem}.download-card .btn{width:100%}.os-hero{padding:calc(var(--nav-height) + 6rem)2rem 4rem;text-align:center;flex-direction:column;justify-content:center;align-items:center;max-width:800px;min-height:70vh;margin:0 auto;display:flex}.os-hero-icon{width:120px;height:120px;color:var(--element-brand);margin-bottom:2rem;animation:6s ease-in-out infinite float}.os-hero h1{background:linear-gradient(90deg,#fff 0%,var(--element-brand)100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1.5rem;font-size:clamp(2.5rem,6vw,4rem)}.os-hero p{color:var(--element-fg-secondary);margin-bottom:3rem;font-size:1.2rem;line-height:1.8}.os-hero .btn-group{flex-direction:column;gap:1.5rem;width:100%;max-width:400px;display:flex}@media (width>=480px){.os-hero .btn-group{flex-direction:row;justify-content:center;max-width:100%}}.os-features{text-align:right;background:#ffffff05;border:1px solid #ffffff0d;border-radius:16px;max-width:500px;margin:3rem auto;padding:2rem}.os-features h4{text-align:center;margin-bottom:1.5rem;font-size:1.2rem}.os-features ul{padding:0;list-style:none}.os-features li{color:var(--element-fg-secondary);align-items:center;margin-bottom:1rem;display:flex}.os-features li svg{width:20px;height:20px;color:var(--element-brand);margin-left:10px}