.App{min-height:100vh;display:flex;flex-direction:column}main{flex:1}.header{background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo h1{font-size:1.75rem;font-weight:700;color:#1f2937;margin:0}.nav{display:flex;align-items:center}.login-btn{background:#3b82f6;color:#fff;padding:.5rem 1rem;border-radius:.375rem;font-weight:500;transition:background-color .2s;text-decoration:none}.login-btn:hover{background:#2563eb;text-decoration:none}@media (max-width: 768px){.logo h1{font-size:1.5rem}.login-btn{padding:.4rem .8rem;font-size:.9rem}}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:5rem 0;text-align:center}.hero-content{max-width:800px;margin:0 auto}.hero-title{font-size:3.5rem;font-weight:700;margin-bottom:1.5rem;line-height:1.2}.hero-subtitle{font-size:1.25rem;margin-bottom:2.5rem;opacity:.9;line-height:1.6}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.cta-button{padding:.75rem 2rem;border-radius:.5rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block}.cta-button.primary{background:#fff;color:#667eea}.cta-button.primary:hover{background:#f8fafc;transform:translateY(-2px);text-decoration:none}.cta-button.secondary{background:transparent;color:#fff;border:2px solid white}.cta-button.secondary:hover{background:#fff;color:#667eea;text-decoration:none}@media (max-width: 768px){.hero{padding:3rem 0}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.1rem}.hero-cta{flex-direction:column;align-items:center}.cta-button{width:100%;max-width:300px}}.features{padding:5rem 0;background:#f8fafc}.features-header{text-align:center;margin-bottom:4rem}.features-header h2{font-size:2.5rem;font-weight:700;color:#1f2937;margin-bottom:1rem}.features-header p{font-size:1.2rem;color:#6b7280}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem}.feature-card{background:#fff;padding:2rem;border-radius:.75rem;box-shadow:0 4px 6px -1px #0000001a;transition:transform .3s,box-shadow .3s}.feature-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px -3px #0000001a}.feature-card h3{font-size:1.25rem;font-weight:600;color:#1f2937;margin-bottom:1rem}.feature-card p{color:#6b7280;line-height:1.6}@media (max-width: 768px){.features{padding:3rem 0}.features-header h2{font-size:2rem}.features-grid{grid-template-columns:1fr;gap:1.5rem}.feature-card{padding:1.5rem}}.footer{background:#1f2937;color:#fff;padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:2fr 1fr;gap:3rem;margin-bottom:2rem}.footer-brand h3{font-size:1.5rem;font-weight:700;margin-bottom:.75rem;color:#667eea}.footer-brand p{color:#9ca3af;line-height:1.6}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.link-group h4{font-weight:600;margin-bottom:1rem;color:#fff}.link-group ul{list-style:none;padding:0;margin:0}.link-group li{margin-bottom:.5rem}.link-group a{color:#9ca3af;text-decoration:none;transition:color .3s}.link-group a:hover{color:#667eea}.footer-bottom{padding-top:2rem;border-top:1px solid #374151;text-align:center}.footer-bottom p{color:#9ca3af;margin:0}@media (max-width: 768px){.footer{padding:2rem 0 1rem}.footer-content{grid-template-columns:1fr;gap:2rem;text-align:center}.footer-links{grid-template-columns:1fr;gap:1.5rem;justify-items:center}.link-group{text-align:center}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:#333;background-color:#fff}a{color:#3b82f6;text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}.container{max-width:1200px;margin:0 auto;padding:0 20px}@media (max-width: 768px){.container{padding:0 16px}}