@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");:root{--brand:#007aff;--brand-light:#3395ff;--brand-dark:#0055cc;--brand-bg:rgba(0,122,255,0.08);--bg:#f2f2f7;--card-bg:#ffffff;--text-primary:#1c1c1e;--text-secondary:#636366;--text-tertiary:#aeaeb2;--shadow-sm:0 1px 3px rgba(0,0,0,0.06);--shadow-md:0 4px 16px rgba(0,0,0,0.08);--shadow-lg:0 12px 40px rgba(0,0,0,0.12);--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--max-width:1100px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-family);color:var(--text-primary);background:var(--bg);-webkit-font-smoothing:antialiased}body{line-height:1.5}.app,body{min-height:100vh}.app{display:flex;flex-direction:column}.navbar{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:rgba(242,242,247,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.05);padding:.8rem 0}.navbar-inner{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;gap:1rem}.nav-back-link,.navbar-inner{display:flex;align-items:center}.nav-back-link{gap:.5rem;color:var(--text-secondary);text-decoration:none;font-size:.9rem;transition:color .2s ease}.nav-back-link:hover{color:var(--brand)}.nav-back-icon{font-size:1.2rem;line-height:1}.nav-title{font-size:1.1rem;font-weight:600}.main,.nav-spacer{flex:1 1}.main{width:100%;max-width:var(--max-width);margin:0 auto;padding:2rem 1.5rem 3rem}.hero{text-align:center;padding:4rem 0 5rem;max-width:600px;margin:0 auto 4rem}.hero-title{font-size:2.8rem;font-weight:700;margin-bottom:1rem;letter-spacing:-.02em}.hero-desc{font-size:1.1rem;line-height:1.7;color:var(--text-secondary);margin-bottom:2.5rem}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.btn,.hero-actions{justify-content:center}.btn{display:inline-flex;align-items:center;padding:.8rem 2rem;border-radius:12px;font-size:1rem;font-weight:500;text-decoration:none;transition:all .2s ease;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--brand);color:white}.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,122,255,.3)}.btn-secondary{background:transparent;color:var(--text-primary);border-color:rgba(0,0,0,.1)}.btn-secondary:hover{background:var(--card-bg);border-color:rgba(0,0,0,.15);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-large{padding:1rem 2.5rem;font-size:1.05rem}.section-header{text-align:center;margin-bottom:3rem}.section-title{font-size:2rem;font-weight:600;margin-bottom:.75rem}.section-desc{font-size:1.05rem;color:var(--text-secondary)}.features-section{margin-bottom:5rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:1.5rem;gap:1.5rem}.feature-card{background:var(--card-bg);padding:2rem 1.5rem;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:all .2s ease;border:1px solid rgba(0,0,0,.04)}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.feature-icon{font-size:2rem;margin-bottom:1rem}.feature-title{font-size:1.15rem;font-weight:600;margin-bottom:.5rem}.feature-desc{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.cta-section{margin-bottom:3rem}.cta-card{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:white;padding:3.5rem 2rem;border-radius:var(--radius-lg);text-align:center;box-shadow:0 12px 40px rgba(0,122,255,.3)}.cta-title{font-size:2rem;font-weight:600;margin-bottom:1rem}.cta-desc{font-size:1.1rem;opacity:.95;max-width:600px;margin:0 auto 2rem;line-height:1.7}.cta-card .btn-primary{background:white;color:var(--brand-dark)}.cta-card .btn-primary:hover{background:#f8f9fa;transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.2)}.footer{border-top:1px solid rgba(0,0,0,.08);background:var(--card-bg);padding:2rem 0;margin-top:auto}.footer-inner{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;flex-direction:column;gap:1rem;text-align:center}.footer-brand,.footer-inner{display:flex;align-items:center}.footer-brand{gap:.75rem;font-size:1.1rem}.footer-logo{font-weight:700;color:var(--brand)}.footer-sep{color:var(--text-tertiary)}.footer-tagline{color:var(--text-secondary)}.footer-links{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;font-size:.9rem}.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color .2s ease}.footer-links a:hover{color:var(--brand)}.footer-built{color:var(--text-tertiary)}@media (max-width:768px){.hero{padding:2rem 0 3rem}.hero-title{font-size:2rem}.features-grid{grid-template-columns:1fr}}