*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#fff;color:#333;line-height:1.6}#welcome{justify-content:center;text-align:center;background:linear-gradient(135deg,#f0f4ff,#fff);padding:4rem 2rem;color:#111;border-bottom:2px solid #e0e7ff}#welcome,#welcome .overlay{display:flex;flex-direction:column;align-items:center}#welcome .overlay{max-width:700px;gap:1rem}#welcome h1{font-size:2.4rem;font-weight:700;letter-spacing:1px;margin-bottom:.5rem;color:#1e40af}#welcome p{font-size:1.15rem;line-height:1.6;color:#374151}.welcome-logo{border-radius:16px;background:#fff;padding:10px;box-shadow:0 4px 18px rgba(30,64,175,.25);margin-bottom:1rem;transition:transform .3s ease,box-shadow .3s ease}.welcome-logo:hover{transform:scale(1.05);box-shadow:0 6px 25px rgba(22,163,74,.3)}.btn{display:inline-block;padding:.75rem 1.5rem;background:#1e3a8a;color:#fff;font-weight:700;border-radius:8px;text-decoration:none;transition:background .3s ease}.btn:hover{background:#16a34a}#hub{padding:5rem 1rem;text-align:center}#hub h2{font-size:2.5rem;font-weight:700;margin-bottom:2rem;color:#0a192f}#hub .cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:2rem;gap:2rem;max-width:1200px;margin:0 auto}#hub .card{background:#fff;border-radius:16px;padding:2rem;box-shadow:0 6px 15px rgba(0,0,0,.1);text-align:center;transition:transform .3s ease,box-shadow .3s ease}#hub .card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 12px 25px rgba(0,0,0,.2)}#hub .card h3{font-size:1.8rem;margin-bottom:1rem;color:#1e3a8a}#hub .card p{font-size:1rem;color:#555;margin-bottom:1.5rem}footer{background:#0a192f;color:#aaa;text-align:center;padding:2rem 1rem;font-size:.95rem}footer a{color:#f87171;text-decoration:none;margin:0 .5rem}footer a:hover{text-decoration:underline}.notfound{display:flex;align-items:center;justify-content:center;height:90vh;background:linear-gradient(135deg,#f9fafb,#e0e7ff);text-align:center;padding:2rem}.notfound-content{max-width:600px;background:#fff;padding:3rem 2rem;border-radius:16px;box-shadow:0 6px 20px rgba(0,0,0,.1);animation:fadeInUp 1s ease}.notfound h1{font-size:2.2rem;color:#1e3a8a;margin-bottom:1rem}.notfound p{font-size:1.1rem;color:#555;margin-bottom:2rem}.notfound .btn{display:inline-block;padding:.75rem 1.5rem;background:#1e3a8a;color:#fff;font-weight:700;border-radius:8px;text-decoration:none;transition:background .3s ease}.notfound .btn:hover{background:#0a192f}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}