@import "https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&family=Fredoka:wght@500;600&display=swap";:root{--eng-primary:#ff6b6b;--eng-bg:#fff0f0;--eng-text:#c0392b;--sci-primary:#20bf6b;--sci-bg:#f0fff4;--sci-text:#218c74;--math-primary:#45b7d1;--math-bg:#e3f8ff;--math-text:#2980b9;--dark-text:#2d3436;--light-bg:#f8f9fa;--white:#fff;--font-body:"Nunito", sans-serif;--font-heading:"Fredoka", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:radial-gradient(circle at 15% 50%, #74b9ff1a, transparent 25%), radial-gradient(circle at 85% 30%, #a29bfe26, transparent 25%), var(--light-bg);color:var(--dark-text);background-attachment:fixed;padding-bottom:40px;line-height:1.6}.text-center{text-align:center}.fw-bold{font-weight:700}.fw-extrabold{font-weight:800}.text-muted{color:#636e72}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.btn{cursor:pointer;font-weight:800;font-family:var(--font-body);border:none;border-radius:50px;justify-content:center;align-items:center;gap:.5rem;padding:.5rem 1.25rem;transition:all .3s;display:inline-flex}.btn-primary{color:#fff;background:linear-gradient(135deg,#0984e3,#74b9ff);box-shadow:0 4px 10px #0984e34d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 15px #0984e366}.btn-outline{color:#636e72;background:#fff;border:2px solid #dfe6e9}.btn-outline:hover{color:#0984e3;border-color:#0984e3}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s forwards fadeIn}.container{max-width:1300px;margin:0 auto;padding:0 20px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}