Professional Grade Smooth Copper Nails - Flat Head Construction Fasteners | Multiple Sizes | Damascus OR & Nationwide Shipping

/* Critical CSS for Core Web Vitals optimization */ :root { --primary-color: #b87333; --secondary-color: #8b4513; --accent-color: #cd853f; --text-color: #2c3e50; --bg-color: #ffffff; --border-color: #e2e8f0; } * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif; line-height: 1.6; color: var(--text-color); background: var(--bg-color); } .container { max-width: 1200px; margin: 0 auto; padding: clamp(1rem, 2.5vw, 2rem); } .responsive-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: clamp(1rem, 2.5vw, 2rem); } .card { background: white; border-radius: 12px; padding: clamp(1rem, 2.5vw, 1.5rem); box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); border: 1px solid var(--border-color); } .btn-primary { background: linear-gradient(135deg, var(--primary-color), var(--secondary-col