:root{--primary-color: #2563eb;--primary-dark: #1e40af;--primary-light: #3b82f6;--secondary-color: #10b981;--text-dark: #1f2937;--text-light: #6b7280;--bg-light: #f9fafb;--bg-white: #ffffff;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1)}html,body{height:100%;scroll-behavior:smooth}body{font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Helvetica Neue,sans-serif;background-color:#f3f4f6;color:var(--text-dark);line-height:1.6;font-size:1rem;font-weight:400}h1,h2,h3,h4,h5,h6{color:var(--text-dark);font-weight:700;letter-spacing:-.5px}h1{font-size:2.25rem;margin-bottom:1.5rem}h2{font-size:1.875rem;margin-bottom:1.25rem}h3{font-size:1.5rem;margin-bottom:1rem}h4{font-size:1.25rem;margin-bottom:.875rem}h5{font-size:1.125rem;margin-bottom:.75rem}h6{font-size:1rem;margin-bottom:.5rem}.navbar{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%)!important;box-shadow:var(--shadow-md);padding:1rem 0;border-bottom:1px solid rgba(255,255,255,.1)}.navbar-brand{font-weight:700;font-size:1.5rem;color:#fff!important;letter-spacing:-.3px;transition:opacity .3s ease}.navbar-brand:hover{opacity:.9}.navbar-brand img{width:40px;height:40px;border-radius:50%;border:2px solid rgba(255,255,255,.2);transition:transform .3s ease}.navbar-brand img:hover{transform:scale(1.05)}.navbar-nav .nav-link{color:#ffffffd9!important;font-weight:500;margin-left:1.5rem;transition:color .3s ease;position:relative}.navbar-nav .nav-link:hover{color:#fff!important}.navbar-nav .nav-link:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:#fff;transition:width .3s ease}.navbar-nav .nav-link:hover:after{width:100%}.card{border:none;border-radius:12px;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;background-color:var(--bg-white);position:relative}.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl)}.card-img-top{object-fit:cover;height:220px;display:block}.card-body{padding:1.5rem;flex-grow:1;display:flex;flex-direction:column}.card-title{font-weight:700;margin-bottom:.75rem;color:var(--text-dark);font-size:1.125rem;min-height:2.25rem}.card-text{color:var(--text-light);font-size:.95rem;line-height:1.6;flex-grow:1;margin-bottom:1rem}.card-price{color:var(--primary-color);font-weight:700;font-size:1.5rem;margin-bottom:1rem}.btn{font-weight:600;border-radius:8px;flex-grow:0;transition:all .3s cubic-bezier(.4,0,.2,1);padding:.625rem 1.25rem;font-size:.95rem;border:2px solid transparent;text-transform:uppercase;letter-spacing:.5px}.btn-primary{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-success{background-color:var(--secondary-color);border-color:var(--secondary-color);color:#fff}.btn-success:hover{background-color:#059669;border-color:#059669;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline-secondary{color:var(--text-light);border-color:var(--border-color);font-weight:600;background-color:transparent}.btn-outline-secondary:hover{background-color:var(--bg-light);border-color:var(--primary-color);color:var(--primary-color)}.btn-lg{padding:.75rem 1.75rem;font-size:1.1rem}.alert{border:none;border-radius:8px;box-shadow:var(--shadow-sm)}.alert-danger{background-color:#fef2f2;color:#7f1d1d}.alert-warning{background-color:#fef9e7;color:#78350f}.alert-info{background-color:#eff6ff;color:#0c4a6e}.text-primary{color:var(--primary-color)!important}.lead{font-size:1.1rem;color:var(--text-light);line-height:1.8}footer{margin-top:4rem;padding:2rem 0;text-align:center;background-color:var(--text-dark);color:#ffffffb3;font-size:.9rem;border-top:1px solid var(--border-color);border-top:1px solid #edf2f7}