:root{--bg-body:#0b0f19;--text-main:#f8fafc;--text-muted:#94a3b8;--primary:#818cf8;--primary-light:#a5b4fc;--primary-glow:rgba(129, 140, 248, 0.4);--accent:#22d3ee;--bg-card:rgba(30, 41, 59, 0.4);--card-hover:rgba(45, 60, 85, 0.6);--border:rgba(148, 163, 184, 0.15);--border-hover:rgba(255, 255, 255, 0.3);--font-heading:'Outfit',sans-serif;--font-body:'Inter',sans-serif}body{background-color:var(--bg-body);color:var(--text-main);font-family:var(--font-body);margin:0;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:#fff;margin-top:0}a{text-decoration:none;color:inherit;transition:.3s}.container{max-width:1200px;margin:0 auto;padding:0 20px}.text-center{text-align:center}.section{padding:80px 0}.bg-secondary{background:rgba(0,0,0,.2)}.bg-tertiary{background:rgba(255,255,255,.02)}.gradient-text{background:linear-gradient(to right,#818cf8,#22d3ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;display:inline-block}.mb-lg{margin-bottom:2rem}.mb-xl{margin-bottom:4rem}.mt-xl{margin-top:4rem}.grid{display:grid;gap:40px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(350px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.subject-card{display:flex;flex-direction:column;height:100%}.subject-icon{width:60px;height:60px;background:rgba(255,255,255,.05);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:20px}.fade-in{opacity:0;animation:fadeIn .8s forwards}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.btn,.card a,.footer a,.footer-col a,.nav-links a,.navbar-menu a{min-height:44px;display:inline-flex;align-items:center}.footer a,.footer-col a{padding:8px 0}h1{font-size:2.5rem}.hero-buttons{flex-direction:column}.footer-content{grid-template-columns:1fr;gap:30px}.navbar-menu{display:none}.navbar-toggle{display:block}}