:root{--primary:#0066FF;--primary-hover:#0052cc;--secondary:#eef2ff;--background:#ffffff;--foreground:#09090b;--muted:#f4f4f5;--muted-foreground:#71717a;--border:#e4e4e7;--radius:0.75rem;--container-width:1100px;--header-height:84px;}@media (prefers-color-scheme:dark){:root{--background:#09090b;--foreground:#fafafa;--muted:#18181b;--muted-foreground:#a1a1aa;--border:#27272a;--secondary:#1e293b;}}*{box-sizing:border-box;padding:0;margin:0;}body{color:var(--foreground);background:var(--background);font-family:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;line-height:1.6;display:flex;flex-direction:column;min-height:100vh;-webkit-font-smoothing:antialiased;}main{flex:1;}a{color:inherit;text-decoration:none;transition:opacity 0.2s;}h1, h2, h3, h4{letter-spacing:-0.02em;line-height:1.2;}.container{max-width:var(--container-width);margin:0 auto;padding:0 1.5rem;width:100%;}.narrow-container{max-width:720px;}.site-header{position:sticky;top:0;z-index:100;width:100%;height:var(--header-height);background:rgba(255, 255, 255, 0.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:all 0.3s ease;display:flex;align-items:center;}@media (prefers-color-scheme:dark){.site-header{background:rgba(9, 9, 11, 0.7);}}.site-header.scrolled{background:var(--background);border-bottom:1px solid var(--border);}.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%;}.logo{font-weight:800;font-size:1.25rem;display:flex;align-items:center;gap:0.75rem;}.logo-icon{width:32px;height:32px;border-radius:8px;box-shadow:0 2px 4px rgba(0, 0, 0, 0.1);}.store-badge-header{height:34px;width:auto;display:block;}.store-badge-header:hover{opacity:0.8;}.hero{padding:6rem 1rem;text-align:center;}.hero-title{font-size:clamp(2.5rem, 8vw, 4rem);font-weight:900;letter-spacing:-0.05em;margin-bottom:1.5rem;color:var(--foreground);}.hero-subtitle{font-size:clamp(1.1rem, 3vw, 1.4rem);color:var(--muted-foreground);max-width:640px;margin:0 auto 3rem;font-weight:450;}.store-badge-hero{height:56px;width:auto;transition:transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);}.store-badge-hero:hover{transform:scale(1.05);}.section{padding:5rem 0;}.sectionTitle{text-align:center;font-size:clamp(2rem, 5vw, 2.5rem);font-weight:850;margin-bottom:1rem;letter-spacing:-0.04em;}.sectionSubtitle{text-align:center;color:var(--muted-foreground);margin-bottom:3.5rem;font-size:1.15rem;}.bg-muted{background:var(--muted);}.grid, .features-grid, .steps-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));}.card, .feature-card, .step-item{background:var(--background);border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem;transition:all 0.2s ease;}.card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:0 10px 30px -10px rgba(0, 102, 255, 0.1);}.feature-card h3, .step-item h3{font-size:1.25rem;font-weight:700;margin-bottom:0.75rem;text-align:center;}.feature-card p, .step-item p{color:var(--muted-foreground);font-size:1rem;}.step-number{display:inline-flex;width:36px;height:36px;background:var(--foreground);color:var(--background);border-radius:50%;align-items:center;justify-content:center;font-weight:800;font-size:1rem;margin-bottom:1.25rem;}.page-header{padding-top:5rem;padding-bottom:3rem;text-align:center;}.page-header.text-left{text-align:left;}.title{font-size:clamp(2rem, 6vw, 2.75rem);font-weight:850;margin-bottom:1rem;letter-spacing:-0.04em;}.subtitle{color:var(--muted-foreground);font-size:1.2rem;margin-bottom:0;}.content{margin-top:3rem;text-align:left;}.content h2{font-size:1.5rem;font-weight:750;margin:2.5rem 0 1rem;color:var(--foreground);}.content h3{font-size:1.15rem;font-weight:700;margin:2rem 0 0.75rem;}.content p{margin-bottom:1.25rem;color:var(--muted-foreground);font-size:1.05rem;}.content ul{margin-bottom:1.5rem;padding-left:1.25rem;color:var(--muted-foreground);list-style-position:outside;}.content li{margin-bottom:0.5rem;}.link{color:var(--primary);font-weight:600;text-decoration:none;padding-bottom:1px;border-bottom:1px solid transparent;transition:border-color 0.2s;}.link:hover{border-color:var(--primary);}.site-footer{padding:3rem 0;margin-top:5rem;border-top:1px solid var(--border);}.footer-bottom{display:flex;flex-direction:column;align-items:center;gap:1.5rem;color:var(--muted-foreground);font-size:0.875rem;}.footer-legal{display:flex;gap:2rem;}.footer-legal a{transition:color 0.2s;}.footer-legal a:hover{color:var(--foreground);}@media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;}}