*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;position:relative}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:hsla(0,0%,100%,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 6px rgba(0,0,0,.1);position:-webkit-sticky;position:sticky;top:0;z-index:100;padding:1rem 0}.nav{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:#667eea}.navLinks{display:flex;gap:2rem;list-style:none}.navLinks a{color:#333;font-weight:500;transition:color .3s}.navLinks a:hover{color:#667eea}.hero{text-align:center;padding:4rem 0;color:#fff;position:relative;z-index:40;background:rgba(102,126,234,.2);-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}.hero h1{font-size:3.5rem;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.2)}.hero p{font-size:1.25rem;margin-bottom:2rem;opacity:.95}.main{background:hsla(0,0%,100%,.85);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);border-radius:20px 20px 0 0;min-height:60vh;padding:3rem 0;margin-top:2rem;position:relative;z-index:40;box-shadow:0 -4px 20px rgba(0,0,0,.1)}.section{margin-bottom:3rem}.section h2{font-size:2.5rem;color:#333;margin-bottom:1.5rem;border-bottom:3px solid #667eea;padding-bottom:.5rem}.section h3{font-size:1.8rem;color:#555;margin-top:2rem;margin-bottom:1rem}.section p{font-size:1.1rem;line-height:1.8;color:#666;margin-bottom:1rem}.cardGrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:2rem;gap:2rem;margin-top:2rem}.card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:2rem;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,.2);transition:transform .3s,box-shadow .3s}.card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.3)}.card h3{color:#fff;margin-top:0;margin-bottom:1rem}.card p{color:hsla(0,0%,100%,.9);margin-bottom:0}.videoGrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));grid-gap:2rem;gap:2rem;margin-top:2rem}.videoCard{background:#f8f9fa;border-radius:15px;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,.1);transition:transform .3s,box-shadow .3s}.videoCard:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.15)}.videoWrapper{position:relative;width:100%;padding-bottom:56.25%;height:0;overflow:hidden;background:#000}.videoWrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.videoInfo{padding:1.5rem}.videoInfo h3{font-size:1.3rem;color:#333;margin-bottom:.5rem;margin-top:0}.videoInfo p{font-size:1rem;color:#666;line-height:1.6;margin-bottom:0}.footer{background:rgba(51,51,51,.9);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);color:#fff;text-align:center;padding:2rem 0;margin-top:3rem;position:relative;z-index:40}@media (max-width:768px){.hero h1{font-size:2.5rem}.navLinks{flex-direction:column;gap:1rem}.cardGrid,.videoGrid{grid-template-columns:1fr}.videoInfo{padding:1rem}.videoInfo h3{font-size:1.1rem}}