:root{--kb-bg:#f7f9fb;--kb-fg:#0f172a;--kb-accent:#0a6cff;--kb-accent-fg:#fff;--kb-muted:#64748b;--kb-border:#e2e8f0}*{box-sizing:border-box}body{background:var(--kb-bg);color:var(--kb-fg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.kb-container{max-width:1100px;margin:0 auto;padding:0 1.25rem}.kb-header{border-bottom:1px solid var(--kb-border);background:#fff;padding:1rem 0}.kb-header__inner{justify-content:space-between;align-items:center;gap:1rem;display:flex}.kb-logo{font-size:1.25rem;font-weight:700}.kb-nav{color:var(--kb-muted);gap:1.25rem;display:flex}.kb-hero{text-align:center;padding:3rem 0}.kb-hero h1{margin-bottom:.5rem;font-size:2rem}.kb-searchbar{gap:.5rem;max-width:640px;margin:1.5rem auto 0;display:flex}.kb-searchbar input{border:1px solid var(--kb-border);border-radius:8px;flex:1;padding:.75rem 1rem;font-size:1rem}.kb-button{cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.25rem;font-weight:600}.kb-button--primary{background:var(--kb-accent);color:var(--kb-accent-fg)}.kb-button--secondary{border:1px solid var(--kb-border);background:#fff}.kb-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.25rem;padding:1.5rem 0;display:grid}.kb-product-card{border:1px solid var(--kb-border);background:#fff;border-radius:12px;display:block;overflow:hidden}.kb-product-card__img{aspect-ratio:4/3;object-fit:cover;background:#eef2f6;width:100%}.kb-product-card__body{padding:.9rem}.kb-product-card__title{margin:0 0 .25rem;font-size:1rem}.kb-product-card__sku{color:var(--kb-muted);margin:0;font-size:.85rem}.kb-section-title{margin-top:2rem}.kb-footer{border-top:1px solid var(--kb-border);color:var(--kb-muted);margin-top:3rem;padding:2rem 0}