*,*:before,*:after{box-sizing:border-box}:root{font-family:Plus Jakarta Sans,system-ui,sans-serif;line-height:1.6;font-weight:400;color:#1a1a1a;background-color:#fafafa;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-text: #1a1a1a;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-bg: #ffffff;--max-width: 1100px}body{margin:0;min-width:320px;min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.app{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;max-width:var(--max-width);margin:0 auto;width:100%}.logo{font-size:1.5rem;font-weight:700;color:var(--color-text);text-decoration:none}.logo:hover{text-decoration:none;color:var(--color-primary)}.nav{display:flex;align-items:center;gap:2rem}.nav a{color:var(--color-text-muted);font-weight:500}.nav a:hover{color:var(--color-text)}.btn{padding:.5rem 1rem;font-size:.9375rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;font-family:inherit;transition:background-color .2s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:#f1f5f9}.btn-lg{padding:.75rem 1.5rem;font-size:1rem}.hero{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:4rem 1.5rem 5rem}.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:700;line-height:1.2;margin:0 0 1rem;color:var(--color-text)}.hero-subtitle{font-size:1.25rem;color:var(--color-text-muted);max-width:520px;margin:0 0 2rem}.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}.features{padding:4rem 1.5rem;background:var(--color-bg);border-top:1px solid var(--color-border)}.features h2{font-size:1.75rem;font-weight:700;text-align:center;margin:0 0 2.5rem;color:var(--color-text)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;max-width:var(--max-width);margin:0 auto}.feature{padding:1.5rem;border-radius:12px;background:#fafafa;border:1px solid var(--color-border)}.feature-icon{font-size:2rem;margin-bottom:1rem}.feature h3{font-size:1.125rem;font-weight:600;margin:0 0 .5rem;color:var(--color-text)}.feature p{margin:0;font-size:.9375rem;color:var(--color-text-muted);line-height:1.5}.cta{padding:4rem 1.5rem;text-align:center}.cta h2{font-size:1.75rem;font-weight:700;margin:0 0 .5rem;color:var(--color-text)}.cta p{margin:0 0 1.5rem;color:var(--color-text-muted)}.footer{padding:2rem 1.5rem;text-align:center;border-top:1px solid var(--color-border)}.footer p{margin:0;font-size:.875rem;color:var(--color-text-muted)}@media(max-width:640px){.nav a{display:none}.hero{padding:3rem 1rem 4rem}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}}