*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);overflow-x:hidden;color:#fff}#three-container{position:fixed;top:0;left:0;width:100%;height:100vh;z-index:1;background:transparent;filter:none;-webkit-filter:none}#three-container canvas{filter:none!important;-webkit-filter:none!important;image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges}.content{position:relative;z-index:10;pointer-events:none}.section{height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:2rem;pointer-events:auto;position:relative}.hero{background:#00000005;justify-content:flex-end;padding-bottom:4rem;padding-top:2rem;position:relative}.hero .scroll-to-next{display:none}.features{background:#0003}.about{background:#00000026}.contact{background:#00000040}.contact .scroll-to-next,.contact .scroll-indicator{display:none}h1{font-size:4rem;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.5);animation:fadeInUp 2s ease forwards}h2{font-size:3rem;margin-bottom:1.5rem;text-shadow:2px 2px 4px rgba(0,0,0,.5)}p,a{font-size:1.2rem;max-width:600px;line-height:1.6;margin-bottom:2rem;text-shadow:1px 1px 2px rgba(0,0,0,.5)}a{font-size:1.2rem;max-width:600px;line-height:1.6;margin-bottom:2rem;text-shadow:1px 1px 2px rgba(0,0,0,.5);color:#fff;text-decoration:none}a:hover{text-decoration:underline}.loading{position:fixed;top:0;left:0;width:100%;height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;flex-direction:column;z-index:1000;transition:opacity 1s ease}.loading-text{font-size:2rem;margin-top:2rem;text-shadow:2px 2px 4px rgba(0,0,0,.5)}.loading-bar{width:300px;height:4px;background:#ffffff4d;border-radius:2px;overflow:hidden;margin-top:1rem}.loading-progress{height:100%;background:linear-gradient(90deg,#fff,#f0f0f0);width:0%;transition:width .3s ease}.navigation{position:fixed;top:2rem;left:50%;transform:translate(-50%);z-index:100;display:flex;gap:2rem;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:50px;padding:1rem 2rem}.nav-item{color:#ffffffb3;text-decoration:none;font-size:1rem;transition:all .3s ease;cursor:pointer}.nav-item:hover{color:#ffffffe6}.nav-item.active{color:#fff;font-weight:700}.scroll-to-next{position:absolute;bottom:2rem;right:2rem;width:60px;height:60px;background:#ffffff1a;border:2px solid rgba(255,255,255,.5);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;box-shadow:0 2px 10px #ffffff1a}.scroll-to-next:hover{background:#ffffff4d;border-color:#ffffffe6;transform:translateY(-5px);box-shadow:0 4px 15px #ffffff4d}.scroll-to-next:after{content:"↓";color:#fff;font-size:1.5rem;font-weight:700;animation:arrowBounce 2s ease-in-out infinite}.scroll-to-next:active{transform:translateY(-2px);background:#fff6;transition:all .1s ease}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.feature-card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:15px;padding:2rem;margin:1rem;max-width:300px;transform:translateY(50px);opacity:0}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}@keyframes arrowBounce{0%,to{transform:translateY(0)}50%{transform:translateY(5px)}}.scroll-indicator{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);animation:bounce 2s infinite;z-index:10}@keyframes bounce{0%,20%,50%,80%,to{transform:translate(-50%) translateY(0)}40%{transform:translate(-50%) translateY(-10px)}60%{transform:translate(-50%) translateY(-5px)}}@media screen and (max-width: 768px) and (orientation: portrait){h1{font-size:2.5rem;margin-bottom:.8rem}h2{font-size:2rem;margin-bottom:1rem}p,a{font-size:1rem;max-width:90%;margin-bottom:1.5rem;padding:0 1rem}.section{padding:1rem;min-height:100vh}.hero{padding-top:50vh;padding-bottom:2rem;justify-content:flex-end;align-items:center}.navigation{top:1rem;gap:1rem;padding:.8rem 1.5rem;font-size:.9rem}.nav-item{font-size:.9rem}.scroll-to-next{width:50px;height:50px;bottom:1.5rem;right:1.5rem}.scroll-to-next:after{font-size:1.2rem}.loading-text{font-size:1.5rem}.loading-bar{width:250px}.features-grid{grid-template-columns:1fr;gap:1rem;margin-top:1rem}.feature-card{margin:.5rem;padding:1.5rem;max-width:100%}}@media screen and (max-width: 768px) and (orientation: landscape){.hero{padding:0;justify-content:center}.hero h1,.hero p,a{display:none}.navigation{top:.5rem;gap:.8rem;padding:.6rem 1rem;font-size:.8rem}.nav-item{font-size:.8rem}.scroll-to-next{display:none}}@media screen and (max-width: 1000px) and (max-height: 900px) and (min-height: 600px){h1{font-size:2.5rem;margin-bottom:.6rem}h2{font-size:2rem;margin-bottom:.8rem}p,a{font-size:.9rem;margin-bottom:1rem}.section{padding:1rem}.hero{padding-top:3rem;padding-bottom:2rem}}@media screen and (min-width: 1200px) and (max-height: 700px){.hero{padding:0;justify-content:center}.hero h1,.hero p,a{display:none}.navigation{top:.5rem;gap:.8rem;padding:.6rem 1rem;font-size:.8rem}.nav-item{font-size:.8rem}.scroll-to-next{display:none}}@media screen and (max-height: 500px){.hero{padding:0;justify-content:center}.hero h1,.hero p,a{display:none}.navigation{top:.5rem;gap:.8rem;padding:.6rem 1rem;font-size:.8rem}.nav-item{font-size:.8rem}.scroll-to-next{display:none}}@media screen and (max-width: 480px){h1{font-size:2rem;margin-bottom:.6rem}h2{font-size:1.5rem;margin-bottom:.8rem}p,a{font-size:.9rem;margin-bottom:1rem;padding:0 .5rem}.section{padding:.5rem}.hero{padding-bottom:1.5rem}.navigation{top:.5rem;gap:.8rem;padding:.6rem 1rem;font-size:.8rem}.nav-item{font-size:.8rem}.scroll-to-next{width:45px;height:45px;bottom:1rem;right:1rem}.scroll-to-next:after{font-size:1rem}.loading-text{font-size:1.2rem}.loading-bar{width:200px}.feature-card{padding:1rem;margin:.3rem}}@media (hover: none) and (pointer: coarse){.scroll-to-next:hover{transform:none;background:#ffffff1a;border-color:#ffffff80}.nav-item:hover{color:#ffffffb3}.scroll-to-next:active{background:#ffffff4d;transform:scale(.95)}}