*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}body{font-family:"Inter",sans-serif;line-height:1.6}*{margin:0;padding:0;box-sizing:border-box}body{font-family:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;background:#e0e5ec;color:#4a5568;line-height:1.6;min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.nav{padding:1.5rem 0}.nav__content{display:flex;align-items:center;justify-content:space-between}.nav__logo{font-size:1.5rem;font-weight:800;font-family:"Poppins",sans-serif;color:#667eea;text-decoration:none;width:50px;height:50px;background:#e0e5ec;box-shadow:8px 8px 16px #a3b1c6,-8px -8px 16px #fff;border-radius:12px;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.nav__logo:hover{box-shadow:12px 12px 24px #a3b1c6,-12px -12px 24px #fff;transform:translateY(-2px)}.nav__menu{display:flex;gap:2rem;align-items:center}.nav__link{color:#4a5568;text-decoration:none;font-weight:500;transition:all .3s ease}.nav__link:hover{color:#667eea}.nav__link--cta{background:linear-gradient(135deg, #667eea, #764ba2);color:#fff;padding:.5rem 1.5rem;border-radius:12px;box-shadow:4px 4px 8px rgba(102,126,234,.3),-2px -2px 8px hsla(0,0%,100%,.5)}.nav__link--cta:hover{transform:translateY(-2px);box-shadow:6px 6px 12px rgba(102,126,234,.4),-3px -3px 12px hsla(0,0%,100%,.6)}.error-page{flex:1;display:flex;align-items:center;padding:4rem 0}.error-content{width:100%;text-align:center}.error-number{display:flex;justify-content:center;align-items:center;gap:2rem;margin-bottom:3rem}.digit{background:#e0e5ec;box-shadow:8px 8px 16px #a3b1c6,-8px -8px 16px #fff;width:140px;height:180px;border-radius:24px;display:flex;align-items:center;justify-content:center}.digit span{font-size:8rem;font-weight:900;font-family:"Poppins",sans-serif;background:linear-gradient(135deg, #667eea, #764ba2);-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text}.digit.digit-0{background:rgba(0,0,0,0);box-shadow:none}.circle{background:#e0e5ec;box-shadow:8px 8px 16px #a3b1c6,-8px -8px 16px #fff;width:140px;height:180px;border-radius:50%;display:flex;align-items:center;justify-content:center;animation:float 3s ease-in-out infinite}.circle span{font-size:8rem;font-weight:900;font-family:"Poppins",sans-serif;background:linear-gradient(135deg, #667eea, #764ba2);-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}.error-message{margin-bottom:4rem}.error-message h1{font-size:3rem;font-family:"Poppins",sans-serif;color:#2d3748;margin-bottom:1rem}.error-message .error-description{font-size:1.125rem;color:#4a5568;max-width:600px;margin:0 auto;line-height:1.8}.error-suggestions{display:grid;grid-template-columns:repeat(3, 1fr);gap:2rem;margin-bottom:4rem}.suggestion-card{background:#e0e5ec;box-shadow:8px 8px 16px #a3b1c6,-8px -8px 16px #fff;padding:2rem;border-radius:20px;transition:all .3s ease}.suggestion-card:hover{box-shadow:12px 12px 24px #a3b1c6,-12px -12px 24px #fff;transform:translateY(-2px)}.suggestion-card .suggestion-icon{font-size:3rem;margin-bottom:1rem}.suggestion-card h3{font-size:1.25rem;color:#2d3748;margin-bottom:.5rem;font-family:"Poppins",sans-serif}.suggestion-card p{color:#4a5568;font-size:.9375rem;margin-bottom:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:12px;font-weight:600;text-decoration:none;transition:all .3s ease;cursor:pointer;border:none;font-size:.9375rem}.btn--primary{background:linear-gradient(135deg, #667eea, #764ba2);color:#fff;box-shadow:6px 6px 12px rgba(102,126,234,.3),-4px -4px 12px hsla(0,0%,100%,.5)}.btn--primary:hover{transform:translateY(-2px);box-shadow:8px 8px 16px rgba(102,126,234,.4),-6px -6px 16px hsla(0,0%,100%,.6)}.btn--secondary{background:#e0e5ec;box-shadow:8px 8px 16px #a3b1c6,-8px -8px 16px #fff;color:#2d3748}.btn--secondary:hover{box-shadow:12px 12px 24px #a3b1c6,-12px -12px 24px #fff;transform:translateY(-2px)}.popular-links{background:#e0e5ec;box-shadow:inset 4px 4px 8px #a3b1c6,inset -4px -4px 8px #fff;padding:2rem;border-radius:20px}.popular-links__title{font-weight:600;color:#2d3748;margin-bottom:1rem}.popular-links__list{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.link-chip{background:#e0e5ec;box-shadow:8px 8px 16px #a3b1c6,-8px -8px 16px #fff;padding:.5rem 1.25rem;border-radius:20px;text-decoration:none;color:#4a5568;font-size:.875rem;font-weight:600;transition:all .3s ease}.link-chip:hover{box-shadow:12px 12px 24px #a3b1c6,-12px -12px 24px #fff;transform:translateY(-2px);color:#667eea}.footer{padding:2rem 0;text-align:center;margin-top:auto}.footer__content p{color:#4a5568;font-size:.875rem}@media(max-width: 968px){.error-suggestions{grid-template-columns:1fr}.error-number{gap:1rem}.digit,.circle{width:100px;height:130px}.digit span,.circle span{font-size:5rem}.error-message h1{font-size:2rem}}@media(max-width: 768px){.nav__menu{display:none}.error-number{gap:.5rem}.digit,.circle{width:80px;height:100px}.digit span,.circle span{font-size:4rem}}