.hero-404{background:linear-gradient(rgba(26,95,180,.9),rgba(26,95,180,.9)),url('/assets/images/hero-home.webp') center/cover;padding:120px 20px;min-height:500px}.error-content{text-align:center}.error-code{font-size:120px;font-weight:900;color:#ff6b35;line-height:1;margin-bottom:20px;text-shadow:4px 4px 0 rgba(0,0,0,.1);animation:fadeInDown .8s ease-out}.error-content h1{font-size:42px;color:#fff;margin-bottom:20px;font-weight:700;animation:fadeInUp .8s ease-out .2s both}.error-content p{font-size:20px;color:rgba(255,255,255,.95);max-width:600px;margin:0 auto;animation:fadeInUp .8s ease-out .4s both}.helpful-section{padding:100px 0;background-color:#f8f9fa}.helpful-section .section-header h2{color:#1a5fb4}.helpful-section .section-header p{color:#666}.helpful-section .feature-card{display:flex;flex-direction:column;align-items:center;justify-content:space-between;min-height:320px}.helpful-section .btn-secondary{margin-top:auto;align-self:stretch;text-align:center}@media(max-width:768px){.hero-404{padding:100px 20px;min-height:400px}.error-code{font-size:80px;margin-bottom:15px}.error-content h1{font-size:32px;margin-bottom:15px}.error-content p{font-size:18px}.helpful-section{padding:80px 0}.helpful-section .section-header h2{font-size:28px}.helpful-section .feature-card{min-height:auto}}@media(max-width:480px){.hero-404{padding:80px 20px;min-height:350px}.error-code{font-size:60px}.error-content h1{font-size:28px}.error-content p{font-size:16px}.helpful-section{padding:60px 0}.helpful-section .section-header h2{font-size:24px}.helpful-section .section-header p{font-size:14px}}