*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #fafafa;--color-surface: #ffffff;--color-text: #1a1a1a;--color-text-muted: #666666;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-border: #e5e5e5;--color-accent: #10b981;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--max-width: 1100px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 48px;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05)}body{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-lg)}.header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:var(--spacing-md) 0;position:sticky;top:0;z-index:100}.header .container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:var(--spacing-sm);font-weight:600;color:var(--color-text);text-decoration:none}.logo:hover{text-decoration:none}.logo-divider{color:var(--color-text-muted);font-weight:400}.logo-section{color:var(--color-primary)}.nav{display:flex;gap:var(--spacing-lg)}.nav a{color:var(--color-text-muted);font-weight:500;font-size:14px}.nav a:hover{color:var(--color-text);text-decoration:none}.hero{padding:var(--spacing-xl) 0;text-align:center;background:linear-gradient(180deg,var(--color-surface) 0%,var(--color-bg) 100%)}.hero h1{font-size:2.5rem;font-weight:700;margin-bottom:var(--spacing-md);letter-spacing:-.02em}.hero-subtitle{font-size:1.125rem;color:var(--color-text-muted);max-width:500px;margin:0 auto}.products{padding:var(--spacing-xl) 0}.products-grid{display:flex;flex-direction:column;gap:var(--spacing-lg)}.product-card{background:var(--color-surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .2s ease,transform .2s ease}.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.product-image{aspect-ratio:16 / 5;background:linear-gradient(135deg,#667eea,#764ba2);overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover}.product-content{padding:var(--spacing-lg)}.product-category{display:inline-block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-primary);margin-bottom:var(--spacing-sm)}.product-title{font-size:1.5rem;font-weight:700;margin-bottom:var(--spacing-sm);letter-spacing:-.01em}.product-description{color:var(--color-text-muted);margin-bottom:var(--spacing-md);font-size:15px}.product-features{list-style:none;margin-bottom:var(--spacing-lg);display:flex;grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}.product-features li{font-size:14px;color:var(--color-text-muted);position:relative;padding-left:20px}.product-features li:before{content:"";position:absolute;left:0;top:6px;width:12px;height:12px;background:var(--color-accent);border-radius:50%;opacity:.2}.product-features li:after{content:"";position:absolute;left:4px;top:10px;width:4px;height:4px;background:var(--color-accent);border-radius:50%}.product-footer{display:flex;align-items:center;justify-content:space-between;padding-top:var(--spacing-md);border-top:1px solid var(--color-border)}.product-price{font-size:1.5rem;font-weight:700;color:var(--color-text)}.btn,.gumroad-button{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;font-size:14px;font-weight:600;border-radius:6px;text-decoration:none;transition:all .2s ease;cursor:pointer;border:none}.gumroad-button{background:var(--color-primary);color:#fff}.gumroad-button:hover{background:var(--color-primary-hover);text-decoration:none}.btn--secondary{background:transparent;border:2px solid var(--color-border);color:var(--color-text)}.btn--secondary:hover{border-color:var(--color-text);text-decoration:none}.product-card--coming-soon{background:linear-gradient(135deg,#f5f5f5,#e5e5e5);display:flex;align-items:center;justify-content:center;min-height:300px}.product-card--coming-soon .product-content{text-align:center}.product-card--coming-soon .product-footer{justify-content:center;border-top:none}.about{padding:var(--spacing-xl) 0;background:var(--color-surface);border-top:1px solid var(--color-border)}.about h2{font-size:1.5rem;font-weight:700;margin-bottom:var(--spacing-md)}.about p{color:var(--color-text-muted);max-width:600px;margin-bottom:var(--spacing-md)}.about p:last-child{margin-bottom:0}.footer{padding:var(--spacing-lg) 0;text-align:center;color:var(--color-text-muted);font-size:14px}@media (max-width: 640px){.hero h1{font-size:2rem}.products-grid,.product-features{grid-template-columns:1fr}.header .container{flex-direction:column;gap:var(--spacing-md)}}