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auto}.page-card{padding:1.5rem;border-radius:.75rem;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transform:translateY(0);display:block}.page-card,.page-card:hover{text-decoration:none;color:inherit}.page-card:hover{transform:translateY(-4px)}.card-installation{background:rgba(139,92,246,.1);border:1px solid rgba(139,92,246,.2)}.card-installation:hover{background:rgba(139,92,246,.2);border:1px solid rgba(139,92,246,.4);box-shadow:0 10px 25px rgba(139,92,246,.2)}.card-user-guide{background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.2)}.card-user-guide:hover{background:rgba(59,130,246,.2);border:1px solid rgba(59,130,246,.4);box-shadow:0 10px 25px rgba(59,130,246,.2)}.card-security{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2)}.card-security:hover{background:rgba(34,197,94,.2);border:1px solid rgba(34,197,94,.4);box-shadow:0 10px 25px rgba(34,197,94,.2)}.card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.card-icon{padding:.5rem;border-radius:.5rem}.card-icon-installation{background:rgba(139,92,246,.2)}.card-icon-user-guide{background:rgba(59,130,246,.2)}.card-icon-security{background:rgba(34,197,94,.2)}.card-title{font-weight:600;color:#f8fafc}.card-description,.card-title{margin:0;font-family:system-ui,-apple-system,sans-serif}.card-description{font-size:.875rem;color:#cbd5e1;line-height:1.4}.footer-message{margin-top:3rem;padding:1.5rem;background:rgba(139,92,246,.05);border:1px solid rgba(139,92,246,.2);border-radius:.75rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.footer-text{font-size:.875rem;color:#cbd5e1;margin:0;font-family:system-ui,-apple-system,sans-serif}.inline-link{font-weight:600;color:#a78bfa;text-decoration:none}.inline-link:hover{color:#c4b5fd;text-decoration:none}@media (max-width:768px){.not-found-container{padding:1rem}.popular-grid{grid-template-columns:1fr}.action-buttons{width:100%}.btn-primary,.btn-secondary{width:100%;justify-content:center;max-width:300px}}.custom-footer-container{width:100%;justify-content:space-between;flex-wrap:wrap;gap:1rem}.custom-footer-container,.footer-section{display:flex;align-items:center}.footer-link{color:#6b7280;text-decoration:none;font-size:.875rem;transition:color .2s ease}.footer-link:hover{color:#8b5cf6;text-decoration:none}.footer-copyright{margin:0;font-size:.875rem;color:#6b7280}.footer-separator{color:#9ca3af;margin:0 .25rem}@media (max-width:768px){.custom-footer-container{flex-direction:column;text-align:center;gap:.75rem}.footer-section{justify-content:center}}.footer-link:focus{outline:2px solid #8b5cf6;outline-offset:2px;border-radius:2px}@media (prefers-contrast:high){.footer-link{color:#374151}.footer-link:focus,.footer-link:hover{color:#7c3aed}.footer-separator{color:#6b7280}}