html,body{box-sizing:border-box;margin:0;padding:0}.loader-container{text-align:center;background:#f8f9fb;justify-content:center;align-items:center;height:100vh;font-family:Arial,sans-serif;display:flex}.spinner{border:6px solid #cbd5e0;border-top-color:#2b6cb0;border-radius:50%;width:70px;height:70px;margin:0 auto 20px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes blink{0%{opacity:1}50%{opacity:.4}to{opacity:1}}*{box-sizing:border-box;margin:0;padding:0;font-family:Arial,sans-serif}body{color:#333;background:#f8f9fb}.header{background:#fff;justify-content:space-between;align-items:center;width:100%;padding:20px 60px;display:flex;box-shadow:0 2px 4px #0000001a}.logo{color:#2b6cb0;font-size:24px;font-weight:700}nav a{color:#333;margin-left:20px;font-size:16px;text-decoration:none}.hero{justify-content:space-between;align-items:center;padding:80px 60px;display:flex}.hero-text{max-width:60%}.hero-text h1{color:#2b6cb0;font-size:60px;font-weight:700;line-height:1.2}.hero-text p{color:#555;margin:20px 0;font-size:22px}.btn-primary{color:#fff;background:#2b6cb0;border-radius:8px;padding:14px 28px;font-size:18px;text-decoration:none;display:inline-block}.hero img{width:420px}.features{background:#fff;padding:65px}.features h2{text-align:center;color:#2b6cb0;margin-bottom:40px;font-size:32px}.feature-list{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.feature-item{background:#f1f5fb;border-radius:10px;padding:30px;box-shadow:0 2px 4px #0000000d}.feature-item h3{color:#2b6cb0;margin-bottom:10px;font-size:20px}footer{text-align:center;color:#fff;background:#2b6cb0;width:100%;padding:20px;position:fixed;bottom:0}@media (max-width:768px){header{padding:20px}.hero{text-align:center;flex-direction:column}.hero-text{max-width:100%}.hero img{width:300px;margin-top:30px}.feature-list{grid-template-columns:1fr}}.error-span{color:red;font-size:.875em;margin-top:3px!important}