:root{--landing-color-dark:#222831;--landing-color-mid-dark:#393e46;--landing-color-primary:#00adb5;--landing-color-accent:#00fff5;--landing-color-white:#fff}.not-found-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem;background:linear-gradient(135deg,var(--landing-color-dark) 0,var(--landing-color-mid-dark) 100%);font-family:system-ui,-apple-system,sans-serif;position:relative;overflow:hidden}.not-found-content{text-align:center;max-width:32rem;margin:0 auto;position:relative;z-index:10}.error-number-section{position:relative;margin-bottom:2rem}.error-number{margin-bottom:1rem;position:relative;z-index:10;color:var(--landing-color-primary);text-shadow:0 0 20px #00adb54d}.error-number,.error-number-glow{font-size:9rem;font-weight:700;line-height:1}.error-number-glow{position:absolute;inset:0;opacity:.2;filter:blur(4px);color:var(--landing-color-accent);pointer-events:none}.particle{position:absolute;border-radius:50%;animation:pulse 2s infinite}.particle-1{top:-1rem;left:-1rem;width:.5rem;height:.5rem}.particle-1,.particle-2{background-color:var(--landing-color-accent)}.particle-2{top:-2rem;right:2rem;width:.25rem;height:.25rem;animation-delay:.3s}.particle-3{bottom:-1rem;left:3rem;width:.75rem;height:.75rem;background-color:var(--landing-color-primary);animation-delay:.7s}@keyframes pulse{0%,to{opacity:.3;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}.error-message-section{margin-bottom:2rem}.error-title{font-size:2rem;font-weight:600;margin-bottom:1rem}.error-description,.error-title{color:var(--landing-color-white)}.error-description{font-size:1.125rem;opacity:.8;line-height:1.7;margin:0}.action-buttons{flex-direction:column;gap:1rem;margin-bottom:2rem}.action-buttons,.back-btn,.home-btn{display:flex;justify-content:center;align-items:center}.back-btn,.home-btn{gap:.75rem;padding:1rem 2rem;border-radius:.5rem;font-weight:600;font-size:1.125rem;transition:all .3s ease;transform:scale(1);min-width:12.5rem;text-decoration:none;border:none;cursor:pointer}.home-btn{background-color:var(--landing-color-primary);color:var(--landing-color-white);box-shadow:0 4px 15px #00adb54d}.home-btn.home-btn-hover,.home-btn:hover{background-color:var(--landing-color-accent);box-shadow:0 6px 25px #00fff566;transform:scale(1.05)}.back-btn{border:2px solid var(--landing-color-primary);color:var(--landing-color-primary);background-color:initial}.back-btn.back-btn-hover,.back-btn:hover{background-color:var(--landing-color-primary);color:var(--landing-color-white);transform:scale(1.05)}.btn-icon{width:1.25rem;height:1.25rem;transition:transform .3s ease}.home-btn.home-btn-hover .home-icon,.home-btn:hover .home-icon{transform:translateY(-2px)}.back-btn.back-btn-hover .back-icon,.back-btn:hover .back-icon{transform:translateX(-4px)}.decoration{position:absolute;opacity:.1;pointer-events:none}.decoration-1{top:5rem;left:2.5rem;width:8rem;height:8rem;border-radius:50%;background-color:var(--landing-color-accent)}.decoration-2{bottom:5rem;right:2.5rem;width:6rem;height:6rem;transform:rotate(45deg);background-color:var(--landing-color-primary)}@media (min-width:640px) and (max-width:1024px){.not-found-container{padding:1.5rem}.not-found-content{max-width:36rem}.error-number,.error-number-glow{font-size:8rem}.error-title{font-size:1.875rem}.error-description{font-size:1rem}.action-buttons{flex-direction:row;gap:1rem}.back-btn,.home-btn{min-width:10rem;padding:.875rem 1.5rem}.decoration-1{width:6rem;height:6rem;top:4rem;left:2rem}.decoration-2{width:5rem;height:5rem;bottom:4rem;right:2rem}}@media (max-width:639px){.not-found-container{padding:1rem}.not-found-content{max-width:100%}.error-number-section{margin-bottom:1.5rem}.error-number,.error-number-glow{font-size:6rem}.particle-1{width:.375rem;height:.375rem}.particle-2{width:.25rem;height:.25rem;right:1rem}.particle-3{width:.5rem;height:.5rem;left:2rem}.error-message-section{margin-bottom:1.5rem}.error-title{font-size:1.5rem;margin-bottom:.75rem}.error-description{font-size:1rem;padding:0 .5rem}.action-buttons{gap:.75rem;margin-bottom:1.5rem}.back-btn,.home-btn{min-width:100%;max-width:16rem;padding:.875rem 1.5rem;font-size:1rem}.decoration-1,.decoration-2{display:none}}@media (max-width:375px){.not-found-container{padding:.75rem}.error-number,.error-number-glow{font-size:5rem}.error-title{font-size:1.25rem}.error-description{font-size:.9rem}.back-btn,.home-btn{padding:.75rem 1.25rem;font-size:.95rem}}