:root{--primary-color:#0f172a;--accent-color:#3b82f6;--accent-hover:#2563eb;--text-main:#334155;--text-light:#64748b;--bg-light:#f8fafc;--white:#fff;--transition:all .3s ease}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',system-ui,-apple-system,sans-serif}body{background-color:var(--white);color:var(--text-main);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}.text-center{text-align:center}.btn{display:inline-block;padding:12px 24px;border-radius:6px;font-weight:600;text-decoration:none;transition:var(--transition);cursor:pointer}.btn-primary{background-color:var(--accent-color);color:var(--white);border:none}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-2px)}.btn-secondary{background-color:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-color);color:var(--white)}.btn-outline{border:2px solid var(--accent-color);color:var(--accent-color)}.navbar{padding:20px 0;background-color:var(--white);border-bottom:1px solid #e2e8f0;position:sticky;top:0;z-index:100}.nav-content{display:flex;justify-content:space-between;align-items:center}.logo{font-size:24px;font-weight:800;color:var(--primary-color);text-decoration:none}.logo span{color:var(--accent-color)}.nav-links a{margin-left:30px;text-decoration:none;color:var(--text-main);font-weight:500;transition:var(--transition)}.nav-links a:hover{color:var(--accent-color)}.hero{padding:100px 0;background:linear-gradient(135deg,var(--bg-light) 0%,#e2e8f0 100%);text-align:center}.hero-content h1{font-size:3.5rem;color:var(--primary-color);line-height:1.2;margin-bottom:20px}.hero-content p{font-size:1.2rem;color:var(--text-light);max-width:700px;margin:0 auto 40px auto}.hero-buttons{display:flex;justify-content:center;gap:20px}.features{padding:80px 0;background-color:var(--white)}.section-title{text-align:center;font-size:2.5rem;color:var(--primary-color);margin-bottom:60px}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px}.feature-card{background-color:var(--bg-light);padding:40px 30px;border-radius:12px;text-align:center;transition:var(--transition);border:1px solid #e2e8f0}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.05)}.feature-card .icon{font-size:3rem;margin-bottom:20px}.feature-card h3{color:var(--primary-color);margin-bottom:15px;font-size:1.4rem}.feature-card p{color:var(--text-light)}.cta{background-color:var(--primary-color);color:var(--white);padding:80px 0}.cta h2{font-size:2.5rem;margin-bottom:20px}.cta p{color:#94a3b8;margin-bottom:40px;font-size:1.1rem}.footer{padding:30px 0;background-color:var(--white);color:var(--text-light);border-top:1px solid #e2e8f0}@media (max-width:768px){.nav-links{display:none}.hero-content h1{font-size:2.5rem}.hero-buttons{flex-direction:column}}