.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:12px 28px;font-family:var(--font-body);font-size:var(--text-sm);font-weight:var(--font-semibold);line-height:1;letter-spacing:var(--tracking-wide);text-decoration:none;border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-base);white-space:nowrap;user-select:none;position:relative;overflow:hidden}.btn:focus-visible{outline:3px solid var(--accent-color);outline-offset:2px}.btn:disabled,.btn[disabled]{opacity:0.5;cursor:not-allowed;pointer-events:none}.btn-sm{padding:8px 18px;font-size:var(--text-xs)}.btn-lg{padding:16px 36px;font-size:var(--text-base)}.btn-block{display:flex;width:100%}.btn-primary{background:var(--primary-color);color:var(--white);border-color:var(--primary-color)}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-primary)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--accent-color);color:var(--white);border-color:var(--accent-color)}.btn-secondary:hover{background:var(--accent-600);border-color:var(--accent-600);transform:translateY(-2px);box-shadow:var(--shadow-accent)}.btn-outline{background:transparent;color:var(--primary-color);border-color:var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:var(--white);transform:translateY(-2px)}.btn-ghost{background:transparent;color:var(--primary-color);border-color:transparent}.btn-ghost:hover{background:var(--primary-50)}.btn-icon{padding:10px;border-radius:var(--radius-full);width:44px;height:44px}.btn-loading{pointer-events:none;color:transparent !important}.btn-loading::after{content:'';position:absolute;width:20px;height:20px;border:2px solid rgba(255,255,255,0.3);border-top-color:var(--white);border-radius:50%;animation:btnSpin 0.6s linear infinite}.btn-outline.btn-loading::after,.btn-ghost.btn-loading::after{border-color:rgba(61,40,23,0.2);border-top-color:var(--primary-color)}@keyframes btnSpin{to{transform:rotate(360deg)}}.btn-group{display:inline-flex}.btn-group .btn{border-radius:0}.btn-group .btn:first-child{border-radius:var(--radius-md) 0 0 var(--radius-md)}.btn-group .btn:last-child{border-radius:0 var(--radius-md) var(--radius-md) 0}.card{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition-base)}.card-header{padding:var(--space-5);border-bottom:1px solid var(--border-light)}.card-body{padding:var(--space-5)}.card-footer{padding:var(--space-4) var(--space-5);border-top:1px solid var(--border-light)}.hover-lift:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.hover-shadow:hover{box-shadow:var(--shadow-xl)}.hover-glow:hover{box-shadow:var(--shadow-accent)}.card-product{position:relative}.card-product .card-img{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--bg-sunken)}.card-product .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s var(--ease-smooth)}.card-product:hover .card-img img{transform:scale(1.08)}.card-product .card-price{font-family:var(--font-display);font-size:var(--text-xl);font-weight:var(--font-bold);color:var(--primary-color)}.card-product .card-price-old{font-size:var(--text-sm);color:var(--text-tertiary);text-decoration:line-through;margin-left:var(--space-2)}.card-service{text-align:center;padding:var(--space-7) var(--space-5)}.card-service .card-icon{width:64px;height:64px;margin:0 auto var(--space-4);display:flex;align-items:center;justify-content:center;background:var(--primary-50);color:var(--accent-color);border-radius:var(--radius-xl);font-size:28px;transition:var(--transition-base)}.card-service:hover .card-icon{background:var(--accent-color);color:var(--white);transform:scale(1.1)}.card-article .card-img{aspect-ratio:16/9;overflow:hidden}.card-article .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s var(--ease-smooth)}.card-article:hover .card-img img{transform:scale(1.05)}.card-article .card-meta{font-size:var(--text-xs);color:var(--text-tertiary);margin-bottom:var(--space-2)}.card-article .card-title{font-family:var(--font-display);font-size:var(--text-xl);margin-bottom:var(--space-2)}.card-article .card-excerpt{color:var(--text-secondary);font-size:var(--text-sm);line-height:var(--leading-relaxed)}.card-testimonial{padding:var(--space-6);background:var(--bg-surface)}.card-testimonial .stars{color:var(--accent-color);margin-bottom:var(--space-3);font-size:var(--text-lg)}.card-testimonial .quote{font-style:italic;color:var(--text-secondary);line-height:var(--leading-relaxed);margin-bottom:var(--space-4)}.card-testimonial .author{display:flex;align-items:center;gap:var(--space-3)}.card-testimonial .author-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover}.card-testimonial .author-name{font-weight:var(--font-semibold)}.card-testimonial .author-date{font-size:var(--text-xs);color:var(--text-tertiary)}.card-gallery{position:relative;cursor:pointer}.card-gallery .card-img{aspect-ratio:1;overflow:hidden}.card-gallery .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s var(--ease-smooth)}.card-gallery:hover .card-img img{transform:scale(1.08)}.card-gallery .card-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(26,27,26,0.7) 0%,transparent 60%);display:flex;align-items:flex-end;padding:var(--space-4);opacity:0;transition:var(--transition-base)}.card-gallery:hover .card-overlay{opacity:1}.card-gallery .card-overlay span{color:var(--white);font-weight:var(--font-medium)}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary);margin-bottom:var(--space-1)}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;font-family:var(--font-body);font-size:var(--text-base);color:var(--text-primary);background:var(--bg-base);border:1.5px solid var(--border-default);border-radius:var(--radius-md);transition:var(--transition-fast);appearance:none}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px rgba(184,134,11,0.15)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-tertiary)}.form-textarea{min-height:120px;resize:vertical}.form-select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B6B6B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}.form-group.is-error .form-input,.form-group.is-error .form-select,.form-group.is-error .form-textarea{border-color:var(--color-error);box-shadow:0 0 0 3px rgba(214,69,69,0.1)}.form-group.is-success .form-input,.form-group.is-success .form-select,.form-group.is-success .form-textarea{border-color:var(--color-success)}.form-error-message{font-size:var(--text-xs);color:var(--color-error);margin-top:var(--space-1)}.form-hint{font-size:var(--text-xs);color:var(--text-tertiary);margin-top:var(--space-1)}.form-checkbox,.form-radio{display:flex;align-items:center;gap:var(--space-2);cursor:pointer;font-size:var(--text-sm)}.form-checkbox input,.form-radio input{width:20px;height:20px;accent-color:var(--accent-color);cursor:pointer}.form-file{position:relative}.form-file input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer}.form-file-label{display:flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-5);border:2px dashed var(--border-strong);border-radius:var(--radius-lg);color:var(--text-secondary);font-size:var(--text-sm);transition:var(--transition-fast);cursor:pointer}.form-file:hover .form-file-label{border-color:var(--accent-color);color:var(--accent-color);background:var(--accent-50)}.form-row{display:grid;gap:var(--space-4)}.form-row-2{grid-template-columns:1fr}.form-row-3{grid-template-columns:1fr}@media (min-width:768px){.form-row-2{grid-template-columns:1fr 1fr}.form-row-3{grid-template-columns:1fr 1fr 1fr}}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;font-size:var(--text-xs);font-weight:var(--font-semibold);letter-spacing:var(--tracking-wide);border-radius:var(--radius-full);line-height:1.4}.badge-promo{background:var(--color-error);color:var(--white)}.badge-new{background:var(--accent-color);color:var(--white)}.badge-stock{background:var(--color-success-light);color:var(--color-success-dark)}.badge-out-of-stock{background:var(--neutral-200);color:var(--neutral-600)}.badge-certification{padding:6px 14px;border:1.5px solid var(--border-default);background:var(--bg-base);border-radius:var(--radius-md);font-size:var(--text-xs);font-weight:var(--font-semibold);display:inline-flex;align-items:center;gap:6px}.badge-rge{border-color:var(--color-success);color:var(--color-success-dark)}.badge-epv{border-color:var(--accent-color);color:var(--accent-700)}.badge-decennale{border-color:var(--color-info);color:var(--color-info-dark)}.alert{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4) var(--space-5);border-radius:var(--radius-md);font-size:var(--text-sm);line-height:var(--leading-relaxed);border-left:4px solid}.alert i{margin-top:2px;flex-shrink:0}.alert-success{background:var(--color-success-light);border-color:var(--color-success);color:var(--color-success-dark)}.alert-error{background:var(--color-error-light);border-color:var(--color-error);color:var(--color-error-dark)}.alert-warning{background:var(--color-warning-light);border-color:var(--color-warning);color:var(--color-warning-dark)}.alert-info{background:var(--color-info-light);border-color:var(--color-info);color:var(--color-info-dark)}.toast-container{position:fixed;bottom:var(--space-5);right:var(--space-5);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-3);pointer-events:none}.toast{pointer-events:auto;min-width:320px;max-width:440px;padding:var(--space-4) var(--space-5);background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:var(--space-3);animation:toastIn 0.4s var(--ease-spring)}.toast.toast-exit{animation:toastOut 0.3s var(--ease-in-out) forwards}.toast-close{margin-left:auto;background:none;border:none;cursor:pointer;color:var(--text-tertiary);font-size:18px;padding:4px}@keyframes toastIn{from{opacity:0;transform:translateX(100px)}to{opacity:1;transform:translateX(0)}}@keyframes toastOut{to{opacity:0;transform:translateX(100px)}}.modal-overlay{position:fixed;inset:0;background:rgba(26,27,26,0.6);backdrop-filter:blur(4px);z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;padding:var(--space-4);opacity:0;visibility:hidden;transition:var(--transition-base)}.modal-overlay.active{opacity:1;visibility:visible}.modal{background:var(--bg-elevated);border-radius:var(--radius-xl);box-shadow:var(--shadow-2xl);max-height:90vh;overflow-y:auto;width:100%;max-width:560px;transform:scale(0.95) translateY(20px);transition:var(--transition-base)}.modal-overlay.active .modal{transform:scale(1) translateY(0)}.modal-lg{max-width:800px}.modal-sm{max-width:400px}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-5) var(--space-6);border-bottom:1px solid var(--border-light)}.modal-header h3{font-family:var(--font-display);font-size:var(--text-xl);margin:0}.modal-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:none;background:var(--bg-sunken);border-radius:var(--radius-full);cursor:pointer;font-size:18px;color:var(--text-secondary);transition:var(--transition-fast)}.modal-close:hover{background:var(--neutral-200);color:var(--text-primary)}.modal-body{padding:var(--space-6)}.modal-footer{padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:var(--space-3)}.accordion{border:1px solid var(--border-default);border-radius:var(--radius-lg);overflow:hidden}.accordion-item{border-bottom:1px solid var(--border-light)}.accordion-item:last-child{border-bottom:none}.accordion-header{width:100%;display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);background:none;border:none;font-family:var(--font-body);font-size:var(--text-base);font-weight:var(--font-medium);color:var(--text-primary);cursor:pointer;text-align:left;transition:var(--transition-fast)}.accordion-header:hover{background:var(--bg-sunken)}.accordion-header::after{content:'\25BE';font-size:0.8em;transition:transform 0.3s var(--ease-in-out);color:var(--text-tertiary)}.accordion-item.active .accordion-header{color:var(--accent-color)}.accordion-item.active .accordion-header::after{transform:rotate(180deg)}.accordion-content{max-height:0;overflow:hidden;transition:max-height 0.4s var(--ease-in-out),padding 0.3s;padding:0 var(--space-5)}.accordion-item.active .accordion-content{max-height:1000px;padding:0 var(--space-5) var(--space-5)}.tabs{width:100%}.tab-list{display:flex;border-bottom:2px solid var(--border-default);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.tab-list::-webkit-scrollbar{display:none}.tab{padding:var(--space-3) var(--space-5);background:none;border:none;font-family:var(--font-body);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-secondary);cursor:pointer;white-space:nowrap;position:relative;transition:var(--transition-fast)}.tab::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--accent-color);transform:scaleX(0);transition:transform 0.3s var(--ease-in-out)}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--accent-color)}.tab.active::after{transform:scaleX(1)}.tab-panel{display:none;padding:var(--space-5) 0;animation:tabFadeIn 0.3s var(--ease-in-out)}.tab-panel.active{display:block}@keyframes tabFadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.progress-steps{display:flex;align-items:center;justify-content:center;gap:0;margin-bottom:var(--space-7)}.progress-step{display:flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);color:var(--text-tertiary)}.progress-step-number{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;border:2px solid var(--border-strong);font-weight:var(--font-semibold);font-size:var(--text-sm);transition:var(--transition-base);flex-shrink:0}.progress-step.active .progress-step-number{border-color:var(--accent-color);background:var(--accent-color);color:var(--white)}.progress-step.completed .progress-step-number{border-color:var(--color-success);background:var(--color-success);color:var(--white)}.progress-step.active{color:var(--text-primary);font-weight:var(--font-medium)}.progress-step.completed{color:var(--color-success)}.progress-step-connector{width:40px;height:2px;background:var(--border-strong);margin:0 var(--space-2);transition:var(--transition-base)}.progress-step.completed+.progress-step-connector,.progress-step-connector.done{background:var(--color-success)}.progress-bar{width:100%;height:8px;background:var(--neutral-200);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent-color),var(--accent-300));border-radius:var(--radius-full);transition:width 0.5s var(--ease-in-out)}.skeleton{background:var(--neutral-200);border-radius:var(--radius-md);position:relative;overflow:hidden}.skeleton::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.4),transparent);animation:shimmer 1.5s infinite}.skeleton-text{height:16px;margin-bottom:var(--space-2)}.skeleton-text:last-child{width:70%}.skeleton-title{height:24px;width:60%;margin-bottom:var(--space-3)}.skeleton-circle{width:48px;height:48px;border-radius:50%}.skeleton-rect{height:200px}@keyframes shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-1);padding:var(--space-3) 0;font-size:var(--text-sm);color:var(--text-tertiary)}.breadcrumb a{color:var(--text-secondary);text-decoration:none;transition:var(--transition-fast)}.breadcrumb a:hover{color:var(--accent-color)}.breadcrumb-separator{margin:0 var(--space-1);color:var(--neutral-400)}.breadcrumb-current{color:var(--text-primary);font-weight:var(--font-medium)}.pagination{display:flex;align-items:center;justify-content:center;gap:var(--space-1);margin-top:var(--space-7)}.page-item{list-style:none}.page-link{display:flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 var(--space-3);border:1px solid var(--border-default);border-radius:var(--radius-md);font-size:var(--text-sm);color:var(--text-secondary);text-decoration:none;transition:var(--transition-fast)}.page-link:hover{border-color:var(--accent-color);color:var(--accent-color)}.page-item.active .page-link{background:var(--accent-color);border-color:var(--accent-color);color:var(--white)}.page-item.disabled .page-link{opacity:0.4;pointer-events:none}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;top:100%;left:0;min-width:200px;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-2) 0;z-index:var(--z-dropdown);opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--transition-fast)}.dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-item{display:block;width:100%;padding:var(--space-2) var(--space-4);background:none;border:none;font-family:var(--font-body);font-size:var(--text-sm);color:var(--text-primary);text-align:left;text-decoration:none;cursor:pointer;transition:var(--transition-fast)}.dropdown-item:hover{background:var(--bg-sunken);color:var(--accent-color)}[data-tooltip]{position:relative}[data-tooltip]::after{content:attr(data-tooltip);position:absolute;bottom:calc(100%+8px);left:50%;transform:translateX(-50%) translateY(4px);padding:6px 12px;background:var(--neutral-900);color:var(--white);font-size:var(--text-xs);border-radius:var(--radius-sm);white-space:nowrap;pointer-events:none;opacity:0;transition:var(--transition-fast);z-index:var(--z-tooltip)}[data-tooltip]:hover::after{opacity:1;transform:translateX(-50%) translateY(0)}.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-lg);border:1px solid var(--border-default)}.table{width:100%;border-collapse:collapse;font-size:var(--text-sm)}.table th,.table td{padding:var(--space-3) var(--space-4);text-align:left;border-bottom:1px solid var(--border-light)}.table th{background:var(--bg-sunken);font-weight:var(--font-semibold);color:var(--text-primary);white-space:nowrap}.table tbody tr:last-child td{border-bottom:none}.table-striped tbody tr:nth-child(even){background:var(--bg-surface)}.table-hover tbody tr:hover{background:var(--primary-50)}