*{margin:0;padding:0;box-sizing:border-box}:root{--primary-bg: #000000;--secondary-bg: #0e1117;--hero-bg: #002142;--accent-green: #d34a09;--accent-yellow: #ffb900;--accent-blue: #0078d4;--text-primary: #ffffff;--text-secondary: #a0a0a0;--card-bg: #1a1a1a;--border-color: rgba(255, 255, 255, .1)}[data-theme=light]{--primary-bg: #ffffff;--secondary-bg: #f5f5f5;--hero-bg: #e3f2fd;--accent-green: #d34a09;--accent-yellow: #ffb900;--accent-blue: #0078d4;--text-primary: #000000;--text-secondary: #5a5a5a;--card-bg: #fafafa;--border-color: rgba(0, 0, 0, .1)}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:var(--primary-bg);color:var(--text-primary);line-height:1.6;overflow-x:hidden;transition:background-color .3s ease,color .3s ease}*{transition:background-color .3s ease,color .3s ease,border-color .3s ease}@media(max-width:1024px){.nav-menu{display:none}.products-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}}@media(max-width:768px){.header-content,.container{padding:0 1rem}.logo-text{display:none}.shop-hero{padding:3rem 0}.shop-hero-title{font-size:2rem}.shop-hero-subtitle{font-size:1rem}.filters-header{flex-direction:column;align-items:flex-start}.filters-controls{width:100%;flex-direction:column}.filter-select,.filter-toggle{width:100%}.products{padding:2rem 0}.products-grid{grid-template-columns:1fr;gap:1.5rem}.controller-display{font-size:6rem}.features-banner-grid{grid-template-columns:1fr;gap:1rem}.feature-banner-item{padding:1rem}.feature-banner-item svg{width:36px;height:36px}.footer-content{grid-template-columns:repeat(2,1fr);gap:2rem}}@media(max-width:480px){.nav-icons{gap:.5rem}.icon-btn{padding:.375rem}.icon-btn svg{width:20px;height:20px}.shop-hero-title{font-size:1.75rem}.product-image{padding:2rem 1rem;min-height:200px}.controller-display{font-size:5rem}.product-title{font-size:1rem}.price-current{font-size:1.25rem}.features-banner{padding:2rem 0}.footer-content{grid-template-columns:1fr}}