:root{--primary-color: #6c63ff;--primary-hover: #574fcf;--text-dark: #2d3748;--text-light: #718096;--bg-light: #f7fafc;--bg-white: #ffffff;--border-color: #e2e8f0}body.landing-page-body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;margin:0;color:var(--text-dark);background-color:var(--bg-white);line-height:1.6}.landing-page{display:flex;flex-direction:column;min-height:100vh}.landing-container{width:100%;max-width:1100px;margin:0 auto;padding:0 24px;box-sizing:border-box}.landing-header{background-color:var(--bg-white);padding:16px 0;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:10}.landing-header .landing-container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:12px}.logo h1{font-size:22px;margin:0;color:var(--text-dark)}.nav-link{color:var(--text-light);text-decoration:none;margin-left:24px;font-weight:500;transition:color .2s ease}.nav-link:hover{color:var(--primary-color)}main{flex-grow:1}section{padding:80px 0}.hero{background-color:var(--bg-light);text-align:center;padding:100px 0}.hero h2{font-size:42px;margin:0 0 16px;line-height:1.2}.hero p{font-size:18px;color:var(--text-light);max-width:600px;margin:0 auto 32px}.cta-button{background-color:var(--primary-color);color:#fff;border:none;padding:14px 28px;font-size:16px;font-weight:600;border-radius:8px;cursor:pointer;transition:background-color .2s ease}.cta-button:hover{background-color:var(--primary-hover)}.cta-button:disabled{background-color:#ccc;cursor:not-allowed}.features h3,.how-it-works h3{text-align:center;font-size:32px;margin-bottom:48px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:32px}.feature-card{background-color:var(--bg-light);padding:24px;border-radius:8px;border:1px solid var(--border-color)}.feature-card h4{margin:0 0 8px;font-size:18px}.feature-card p{margin:0;color:var(--text-light);font-size:15px}.how-it-works{background-color:var(--bg-light)}.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;text-align:center}.step-card{background-color:var(--bg-white);padding:32px 24px;border-radius:8px;border:1px solid var(--border-color);box-shadow:0 4px 6px -1px #0000000d}.step-number{width:48px;height:48px;background-color:var(--primary-color);color:#fff;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;margin-bottom:24px}.step-card h4{margin:0 0 8px;font-size:20px}.step-card p{margin:0;color:var(--text-light)}.landing-footer{background-color:var(--text-dark);color:var(--text-light);padding:24px 0}.landing-footer .landing-container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.landing-footer p{margin:0;font-size:14px}.footer-nav{display:flex;gap:16px}.footer-link{color:var(--text-light);text-decoration:none;font-size:14px;transition:color .2s ease}.footer-link:hover{color:var(--bg-white);text-decoration:underline}@media (max-width: 768px){.hero h2{font-size:32px}.landing-header .landing-container{flex-direction:column;gap:16px}section{padding:60px 0}.landing-footer .landing-container{flex-direction:column;justify-content:center;gap:8px}}