:root{--bb-primary: #0d9488;--bb-primary-dark: #0f766e;--bb-primary-light: #2dd4bf;--bb-accent: #f59e0b;--bb-bg: #fafafa;--bb-surface: #ffffff;--bb-text: #1e293b;--bb-text-muted: #64748b;--bb-border: #e2e8f0;--bb-radius: 12px;--bb-shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--bb-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--bb-font: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bb-max-width: 1100px}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--bb-font);font-size:1rem;line-height:1.6;color:var(--bb-text);background:var(--bb-bg);-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;font-weight:700;line-height:1.2}h1{font-size:clamp(2rem,5vw,3rem)}h2{font-size:clamp(1.5rem,4vw,2rem)}h3{font-size:1.25rem}p{margin:0 0 1rem;color:var(--bb-text-muted)}a{color:var(--bb-primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}main{padding-bottom:4rem}.hero{padding:4rem 1.5rem 3rem;text-align:center}.hero-inner{max-width:640px;margin:0 auto}.hero-title{color:var(--bb-text);margin-bottom:1rem}.hero-lead{font-size:1.125rem;margin-bottom:1.5rem;color:var(--bb-text-muted)}.hero-cta{margin-top:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;font-family:var(--bb-font);border-radius:var(--bb-radius);border:none;cursor:pointer;text-decoration:none;transition:background .2s,transform .1s}.btn:hover{text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--bb-primary);color:#fff}.btn-primary:hover{background:var(--bb-primary-dark)}.btn-store{background:var(--bb-text);color:#fff;flex-direction:column;align-items:flex-start;padding:.5rem 1rem;min-width:160px}.btn-store:hover{background:var(--bb-text-muted)}.btn-store-label{font-size:.7rem;font-weight:500;opacity:.9}.btn-store-name{font-size:1.1rem;font-weight:600}.section{padding:3rem 1.5rem}.section-inner{max-width:var(--bb-max-width);margin:0 auto}.section-title{text-align:center;color:var(--bb-text);margin-bottom:.5rem}.section-lead{text-align:center;max-width:560px;margin-left:auto;margin-right:auto;margin-bottom:2rem}.features{background:var(--bb-surface)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-top:2rem}.feature-card{padding:1.5rem;background:var(--bb-bg);border-radius:var(--bb-radius);border:1px solid var(--bb-border);transition:box-shadow .2s}.feature-card:hover{box-shadow:var(--bb-shadow)}.feature-icon{font-size:2rem;display:block;margin-bottom:.75rem}.feature-card h3{color:var(--bb-text);margin-bottom:.5rem}.feature-card p{margin:0;font-size:.9375rem}.how-list{max-width:520px;margin:0 auto 1.5rem;padding-left:1.25rem;color:var(--bb-text-muted)}.how-list li{margin-bottom:.75rem}.how-note{max-width:520px;margin:0 auto;font-size:.9375rem}.cta{background:linear-gradient(180deg,var(--bb-surface) 0%,var(--bb-bg) 100%)}.cta-inner{text-align:center}.cta-buttons{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin:1.5rem 0 1rem}.cta-note{font-size:.875rem;color:var(--bb-text-muted);margin:0}@media(max-width:640px){.hero{padding:3rem 1rem 2rem}.cta-buttons{flex-direction:column;align-items:center}.btn-store{width:100%;max-width:200px}}