:root{--primary:#1b5e20;--secondary:#4caf50;--accent:#ff9800;--bg:#fafafa;--text:#212121;--text-light:#666;--border:#e0e0e0;--radius:8px;--shadow:0 2px 8px rgba(0,0,0,.08);--shadow-lg:0 4px 16px rgba(0,0,0,.12);--max-width:1200px;--font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 1rem}.header{background:#fff;border-bottom:2px solid var(--primary);padding:.75rem 0;position:-webkit-sticky;position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}.logo{font-size:1.4rem;font-weight:700;color:var(--primary)}.logo span{color:var(--secondary)}.header-tagline{font-size:.8rem;color:var(--text-light)}.nav{display:flex;gap:1.5rem;align-items:center}.nav a{font-weight:500;font-size:.95rem;color:var(--text);transition:color .2s}.nav a:hover{color:var(--primary)}.cart-link{display:flex;align-items:center;gap:.4rem;background:var(--primary);color:#fff!important;padding:.5rem 1rem;border-radius:var(--radius);font-weight:600}.cart-link:hover{opacity:.9;color:#fff!important}.hero{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:4rem 0;text-align:center}.hero h1{font-size:2.5rem;margin-bottom:.5rem}.hero p{font-size:1.1rem;opacity:.9;max-width:600px;margin:0 auto 1.5rem}.hero-cta{display:inline-block;background:var(--accent);color:#fff;padding:.75rem 2rem;border-radius:var(--radius);font-weight:700;font-size:1.05rem;transition:transform .2s}.hero-cta:hover{transform:translateY(-2px)}.section{padding:3rem 0}.section-title{font-size:1.8rem;margin-bottom:1.5rem;text-align:center}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:1.5rem;gap:1.5rem}.product-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .3s,transform .3s}.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.product-image{width:100%;height:200px;background:linear-gradient(135deg,#f0f0f0,#e0e0e0);display:flex;align-items:center;justify-content:center;color:#999;font-size:3rem}.product-info{padding:1rem}.product-name{font-size:1.05rem;font-weight:600;margin-bottom:.25rem}.product-desc{font-size:.85rem;color:var(--text-light);margin-bottom:.75rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-price{font-size:1.2rem;font-weight:700;color:var(--primary)}.product-price-from{font-size:.75rem;font-weight:400;color:var(--text-light)}.pricing-badge{display:inline-block;font-size:.7rem;padding:.15rem .5rem;border-radius:999px;font-weight:600;margin-left:.5rem}.badge-variant{background:#e3f2fd;color:#1565c0}.badge-calculator{background:#fff3e0;color:#e65100}.product-detail{display:grid;grid-template-columns:1fr 1fr;grid-gap:2rem;gap:2rem;padding:2rem 0}.product-detail-image{width:100%;min-height:400px;background:linear-gradient(135deg,#f0f0f0,#e0e0e0);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#999;font-size:4rem}.product-detail-info h1{font-size:1.8rem;margin-bottom:.5rem}.variant-selector{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0}.variant-btn{padding:.5rem 1rem;border:2px solid var(--border);border-radius:var(--radius);background:#fff;cursor:pointer;font-weight:500;transition:all .2s}.variant-btn.active,.variant-btn:hover{border-color:var(--primary);background:var(--primary);color:#fff}.quantity-control{gap:.5rem;margin:1rem 0}.qty-btn,.quantity-control{display:flex;align-items:center}.qty-btn{width:36px;height:36px;background:#fff;cursor:pointer;font-size:1.2rem;font-weight:700;justify-content:center}.qty-btn,.qty-input{border:2px solid var(--border);border-radius:var(--radius)}.qty-input{width:60px;text-align:center;padding:.4rem;font-size:1rem}.calc-inputs{display:grid;grid-template-columns:1fr 1fr;grid-gap:.75rem;gap:.75rem;margin:1rem 0}.calc-input-group label{display:block;font-size:.85rem;font-weight:500;margin-bottom:.25rem}.calc-input-group input{width:100%;padding:.5rem;border:2px solid var(--border);border-radius:var(--radius);font-size:1rem}.price-display{font-size:2rem;font-weight:700;color:var(--primary);margin:1rem 0}.add-to-cart-btn{width:100%;padding:1rem;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:1.1rem;font-weight:700;cursor:pointer;transition:opacity .2s}.add-to-cart-btn:hover{opacity:.9}.cart-items{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}.cart-item{display:grid;grid-template-columns:80px 1fr auto auto;grid-gap:1rem;gap:1rem;align-items:center;padding:1rem;border-bottom:1px solid var(--border)}.cart-item:last-child{border-bottom:none}.cart-item-image{width:80px;height:80px;background:#f0f0f0;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#999}.cart-summary{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;margin-top:1.5rem;text-align:right}.cart-total{font-size:1.5rem;font-weight:700;color:var(--primary)}.checkout-btn{display:inline-block;margin-top:1rem;padding:.75rem 2rem;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:1.05rem;font-weight:700;cursor:pointer}.footer{background:var(--text);color:#fff;padding:2rem 0;margin-top:3rem}.footer-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:2rem;gap:2rem}.footer h3{margin-bottom:.75rem;color:var(--secondary)}.footer a,.footer p{font-size:.9rem;color:#ccc;line-height:1.8}.footer a:hover{color:#fff}@media (max-width:768px){.hero h1{font-size:1.8rem}.product-detail{grid-template-columns:1fr}.header-inner{flex-wrap:wrap}.nav{width:100%;justify-content:center}.cart-item{grid-template-columns:60px 1fr}}.empty-state{text-align:center;padding:4rem 1rem;color:var(--text-light)}.empty-state-icon{font-size:3rem;margin-bottom:1rem}