*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--text: #1f2937;--text-light: #6b7280;--bg: #ffffff;--bg-light: #f9fafb}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;color:var(--text);line-height:1.6;background:var(--bg)}.container{min-height:100vh;display:flex;flex-direction:column}header{padding:1rem 2rem;border-bottom:1px solid #e5e7eb}nav{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--primary)}.login-link{color:var(--text);text-decoration:none;padding:.5rem 1rem;border:1px solid #e5e7eb;border-radius:6px;transition:all .2s}.login-link:hover{border-color:var(--primary);color:var(--primary)}main{flex:1;max-width:1200px;margin:0 auto;padding:2rem;width:100%}.hero{text-align:center;padding:4rem 0}.hero h1{font-size:3rem;font-weight:800;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary),#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{font-size:1.25rem;color:var(--text-light);max-width:600px;margin:0 auto}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;padding:3rem 0}.feature{background:var(--bg-light);padding:2rem;border-radius:12px;text-align:center}.feature h3{font-size:1.25rem;margin-bottom:.75rem;color:var(--text)}.feature p{color:var(--text-light)}.cta{text-align:center;padding:3rem 0}.cta p{font-size:1.25rem;margin-bottom:1.5rem;color:var(--text-light)}.cta-button{display:inline-block;background:var(--primary);color:#fff;text-decoration:none;padding:.875rem 2rem;border-radius:8px;font-weight:600;transition:background .2s}.cta-button:hover{background:var(--primary-dark)}footer{padding:2rem;text-align:center;border-top:1px solid #e5e7eb;color:var(--text-light);font-size:.875rem}@media(max-width:768px){.hero h1{font-size:2rem}.subtitle{font-size:1rem}main{padding:1rem}}