.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:red;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}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin-bottom:40px}.feature-card{background-color:#fff;padding:30px;border-radius:12px;box-shadow:0 5px 15px rgba(0,0,0,.05);transition:transform .3s ease,box-shadow .3s ease;text-align:center;border:1px solid #f0f0f0}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,.1);border-color:#1976d2}.card-image img{width:100%;max-width:350px;height:200px;object-fit:cover;border-radius:8px;margin:0 auto 20px;display:block}.feature-card h3{font-size:22px;color:#1a237e;margin-bottom:15px;font-weight:600}.feature-card p{font-size:16px;color:#546e7a;line-height:1.6;margin-bottom:25px}.card-icon{font-size:48px;margin-bottom:25px;display:inline-block;transform:scale(1);transition:transform .3s ease}@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}.cards-grid{grid-template-columns:1fr}}@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}.feature-card h3{font-size:20px}.card-icon{font-size:40px;margin-bottom:20px}}