:root{--font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--color-bg: #ffffff;--color-bg-elevated: #f8f9fa;--color-text: #1a1a2e;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-primary: #ff6b00;--color-primary-hover: #e55f00;--color-primary-light: #fff4eb;--color-secondary: #1a1a2e}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}.demo-app{min-height:100vh;display:flex;flex-direction:column}.demo-header{background:var(--color-secondary);color:#fff;padding:1rem 2rem;position:sticky;top:0;z-index:100}.demo-header-content{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.demo-logo{font-size:1.5rem;font-weight:800;color:#fff;text-decoration:none;display:flex;align-items:center;gap:.5rem}.demo-logo-icon{width:32px;height:32px;background:var(--color-primary);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem}.demo-nav{display:flex;gap:2rem}.demo-nav a{color:#fffc;text-decoration:none;font-weight:500;transition:color .2s}.demo-nav a:hover,.demo-nav a.active{color:var(--color-primary)}.demo-main{flex:1;max-width:1400px;margin:0 auto;padding:3rem 2rem;width:100%}.demo-hero{background:linear-gradient(135deg,var(--color-secondary) 0%,#2d2d4a 100%);color:#fff;padding:4rem 2rem;text-align:center;margin:-3rem -2rem 3rem;width:calc(100% + 4rem)}.demo-hero h1{font-size:3rem;font-weight:800;margin-bottom:1rem}.demo-hero h1 span{color:var(--color-primary)}.demo-hero p{font-size:1.25rem;opacity:.8;max-width:600px;margin:0 auto}.demo-section{margin-bottom:4rem}.demo-section h2{font-size:1.75rem;font-weight:700;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid var(--color-primary);display:inline-block}.demo-grid{display:grid;gap:1.5rem}.demo-grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.demo-grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.demo-grid-4{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.demo-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000000a}.demo-card h3{font-size:1rem;font-weight:600;margin-bottom:1rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:.75rem}.demo-card-content{display:flex;flex-direction:column;gap:1rem}.demo-button-group{display:flex;flex-wrap:wrap;gap:.75rem}.demo-input-group{display:flex;flex-direction:column;gap:1rem}.demo-product-card{background:#fff;border:1px solid var(--color-border);border-radius:12px;overflow:hidden;transition:box-shadow .2s,transform .2s}.demo-product-card:hover{box-shadow:0 8px 24px #0000001a;transform:translateY(-2px)}.demo-product-image{background:var(--color-bg-elevated);height:200px;display:flex;align-items:center;justify-content:center;font-size:4rem}.demo-product-content{padding:1.5rem}.demo-product-category{color:var(--color-primary);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem}.demo-product-title{font-size:1.125rem;font-weight:600;margin-bottom:.5rem}.demo-product-price{font-size:1.5rem;font-weight:800;color:var(--color-primary);margin-bottom:1rem}.demo-footer{background:var(--color-secondary);color:#ffffffb3;padding:3rem 2rem;text-align:center}.demo-footer a{color:var(--color-primary);text-decoration:none}.demo-footer a:hover{text-decoration:underline}rd-button{--rd-button-font-family: var(--font-family);--rd-button-primary-bg: var(--color-primary);--rd-button-primary-hover-bg: var(--color-primary-hover)}rd-input{--rd-input-font-family: var(--font-family)}rd-card{--rd-card-background: var(--color-bg);--rd-card-border-color: var(--color-border)}rd-typography{--rd-typography-font-family: var(--font-family)}