.hero-section{position:relative;padding:2rem 0;background-color:var(--dark-color);overflow:hidden;min-height:350px;background-image:url('../../img/seo-optimized/hero-bg-tech.webp');background-size:cover;background-position:center}.hero-section::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.5);z-index:1}.hero-content{position:relative;z-index:2;color:#fff}.hero-title{font-size:var(--font-size-xxxl);font-weight:700;margin-bottom:0.75rem}.hero-subtitle{font-size:var(--font-size-lg);margin-bottom:1.25rem}#hero-image-container-static{min-height:280px;display:flex;align-items:center;justify-content:center}#hero-image-container-static img{aspect-ratio:16/9;width:100%;height:auto;display:block;object-fit:cover;background:var(--dark-color)}#hero-badges{min-height:32px}#hero-title{min-height:48px}#hero-description{min-height:40px}.btn{display:inline-block;font-weight:500;text-align:center;vertical-align:middle;cursor:pointer;padding:0.5rem 1rem;font-size:var(--font-size-md);border-radius:var(--border-radius-md);transition:all var(--transition-fast);text-decoration:none}.btn-primary{color:#fff;background-color:var(--primary-color);border:1px solid var(--primary-color)}.btn-primary:hover{background-color:#1d4ed8;border-color:#1d4ed8}.btn-secondary{color:#fff;background-color:var(--secondary-color);border:1px solid var(--secondary-color)}.btn-secondary:hover{background-color:#475569;border-color:#475569}.btn-success{color:#fff;background-color:#22c55e;border:1px solid #22c55e}.btn-success:hover{background-color:#16a34a;border-color:#16a34a}.btn-outline-light{color:var(--light-color);border:1px solid var(--light-color)}.btn-outline-light:hover{color:var(--dark-color);background-color:var(--light-color)}.btn-outline-primary{color:var(--primary-color);border:1px solid var(--primary-color);background-color:transparent}.btn-outline-primary:hover{color:#fff;background-color:var(--primary-color)}.btn-sm{padding:0.25rem 0.5rem;font-size:var(--font-size-sm)}.btn-lg{padding:0.75rem 1.5rem;font-size:var(--font-size-lg)}.tutorial-card{display:flex;flex-direction:column;height:100%;border-radius:0.75rem;overflow:hidden;transition:all 0.3s ease;background-color:white;border:1px solid rgba(0,0,0,0.08);box-shadow:0 4px 6px rgba(0,0,0,0.05);text-decoration:none}.tutorial-card:hover{transform:translateY(-5px);box-shadow:0 10px 15px rgba(0,0,0,0.1);border-color:rgba(0,0,0,0.15)}.tutorial-image-container{position:relative;height:160px;overflow:hidden}.tutorial-image{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}.tutorial-card:hover .tutorial-image{transform:scale(1.05)}.tutorial-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to bottom,rgba(0,0,0,0.1),rgba(0,0,0,0.6));z-index:2}.tutorial-content{padding:1.25rem;flex-grow:1;display:flex;flex-direction:column}.tutorial-category{display:inline-block;padding:0.25rem 0.5rem;background:linear-gradient(135deg,rgba(74,0,224,0.1),rgba(142,45,226,0.1));color:#4a00e0;font-size:0.8rem;font-weight:600;border-radius:0.25rem;margin-bottom:0.75rem;text-transform:uppercase;letter-spacing:0.5px}.tutorial-title{font-size:1.25rem;font-weight:700;color:#1e293b;margin-bottom:0.75rem;line-height:1.3}.tutorial-description{font-size:0.95rem;color:#64748b;margin-bottom:1.25rem;line-height:1.5;flex-grow:1;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.tutorial-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:0.75rem;border-top:1px solid rgba(0,0,0,0.05)}.tutorial-date{color:#94a3b8;font-size:0.85rem;display:flex;align-items:center}.tutorial-date::before{content:"\f073";font-family:"Font Awesome 5 Free";margin-right:0.5rem;font-size:0.85rem;opacity:0.7}.tutorial-link{color:#4a00e0;font-weight:600;font-size:0.9rem;display:flex;align-items:center;gap:0.5rem;transition:all 0.3s ease}.tutorial-card:hover .tutorial-link{color:#8e2de2;transform:translateX(3px)}.tutorial-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:1.5rem;margin-bottom:2.5rem}@media (max-width:1024px){.tutorial-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}}@media (max-width:768px){.tutorial-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.section-title{font-size:1.75rem}.section-description{font-size:1rem}}@media (max-width:480px){.tutorial-grid{grid-template-columns:1fr}.tutorial-image-container{height:180px}}.tutorial-grid:has(.tutorial-card:only-child){justify-items:center}.tutorial-grid.single-card{justify-items:center}.category-tag{display:inline-block;padding:0.25em 0.5em;font-size:var(--font-size-xs);font-weight:700;line-height:1;text-align:center;white-space:nowrap;vertical-align:baseline;border-radius:var(--border-radius-sm);margin-right:0.5rem;margin-bottom:0.5rem;transition:background-color var(--transition-fast)}.category-tag-python{background-color:rgba(14,165,233,0.15);color:#0ea5e9}.category-tag-ai{background-color:rgba(139,92,246,0.15);color:#8b5cf6}.category-tag-web{background-color:rgba(34,197,94,0.15);color:#22c55e}.category-tag-devops{background-color:rgba(249,115,22,0.15);color:#f97316}.category-tag-database{background-color:rgba(236,72,153,0.15);color:#ec4899}.category-tag-blockchain{background-color:rgba(20,184,166,0.15);color:#14b8a6}.difficulty-badge{display:inline-flex;align-items:center;padding:0.25rem 0.5rem;font-size:var(--font-size-xs);border-radius:var(--border-radius-sm);font-weight:600}.difficulty-beginner{background-color:rgba(34,197,94,0.15);color:#22c55e}.difficulty-intermediate{background-color:rgba(245,158,11,0.15);color:#f59e0b}.difficulty-advanced{background-color:rgba(239,68,68,0.15);color:#dc2626}.no-tutorials{grid-column:1 / -1;text-align:center;padding:40px;background-color:#f8f9fa;border-radius:8px;color:#6c757d;display:flex;flex-direction:column;align-items:center;gap:15px}.no-tutorials i{font-size:2.5rem;color:#adb5bd}.no-results{grid-column:1 / -1;text-align:center;padding:30px;background-color:#f8f9fa;border-radius:8px;color:#6c757d;display:flex;flex-direction:column;align-items:center;gap:15px}.no-results i{font-size:2rem;color:#adb5bd}.no-results .query{font-weight:bold}.code-block{background-color:var(--code-bg);border-radius:var(--border-radius-md);padding:1rem;margin:1rem 0;overflow-x:auto;position:relative}.code-block pre{margin:0;font-family:var(--font-family-code);font-size:var(--font-size-sm);line-height:1.5;color:var(--code-color)}.copy-code-button{position:absolute;top:0.5rem;right:0.5rem;padding:0.25rem 0.5rem;font-size:var(--font-size-xs);background-color:rgba(255,255,255,0.1);color:#cbd5e1;border:none;border-radius:var(--border-radius-sm);cursor:pointer;transition:background-color var(--transition-fast)}.copy-code-button:hover{background-color:rgba(255,255,255,0.2)}.navbar{padding:0.5rem 1rem;box-shadow:var(--shadow-sm);background-color:#fff}.navbar-brand{font-weight:700;padding:0.5rem 0;font-size:var(--font-size-lg);color:var(--primary-color);text-decoration:none}.navbar-nav{display:flex;list-style:none;margin:0;padding:0}.nav-item{margin-left:1rem}.nav-link{padding:0.5rem 1rem;font-weight:500;color:rgba(0,0,0,0.7);text-decoration:none;transition:color var(--transition-fast)}.nav-link:hover{color:var(--primary-color)}.nav-link.active{color:var(--primary-color);font-weight:600}.footer{background-color:#0f172a!important;color:#fff;padding:2.5rem 0 0}.footer h5{font-size:var(--font-size-lg);margin-bottom:1.25rem;font-weight:600}.footer ul{list-style:none;padding:0;margin:0}.footer-link{color:rgba(255,255,255,0.7);text-decoration:none;transition:color var(--transition-fast);display:inline-block;margin-bottom:0.5rem}.footer-link:hover{color:#fff}.footer-bottom{background-color:rgba(0,0,0,0.2);padding:1rem 0;margin-top:2.5rem}#back-to-top{position:fixed;bottom:20px;right:20px;display:none;width:40px;height:40px;border-radius:50%;background-color:var(--primary-color);color:#fff;border:none;box-shadow:var(--shadow-md);cursor:pointer;z-index:100;opacity:0;transition:opacity var(--transition-normal)}#back-to-top.visible{display:flex;align-items:center;justify-content:center;opacity:1}#back-to-top:hover{background-color:#1d4ed8}.category-card{display:block;text-decoration:none;background-color:#fff;border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform var(--transition-normal),box-shadow var(--transition-normal);height:100%}.category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.category-card-body{padding:1.25rem}.category-card-title{font-size:var(--font-size-lg);font-weight:600;color:var(--dark-color);margin-bottom:0.5rem}.category-card-count{color:var(--secondary-color);font-size:var(--font-size-sm)}.category-item .category-icon{display:flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:50%;margin-bottom:1rem;background-color:rgba(37,99,235,0.1);color:var(--primary-color)}.category-icon-python{background-color:rgba(14,165,233,0.15);color:#0ea5e9}.category-icon-ai{background-color:rgba(139,92,246,0.15);color:#8b5cf6}.category-icon-web{background-color:rgba(34,197,94,0.15);color:#22c55e}.category-icon-devops{background-color:rgba(249,115,22,0.15);color:#f97316}.category-icon-database{background-color:rgba(236,72,153,0.15);color:#ec4899}.category-icon-blockchain{background-color:rgba(20,184,166,0.15);color:#14b8a6}.progress-container{width:100%;height:4px;background-color:rgba(226,232,240,0.3);overflow:hidden;position:fixed;top:0;left:0;z-index:1001;margin:0}.progress-bar{height:100%;background-color:var(--primary-color);border-radius:0;transition:width 0.3s ease;box-shadow:0 0 10px rgba(59,130,246,0.5)}.toast-container{position:fixed;bottom:20px;right:20px;z-index:1000}.toast{background-color:#fff;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,0.15);padding:12px 16px;margin-bottom:10px;display:flex;align-items:center;min-width:250px;max-width:350px;transform:translateX(120%);transition:transform 0.3s ease}.toast.show{transform:translateX(0)}.toast-success{border-left:4px solid #22c55e}.toast-error{border-left:4px solid #ef4444}.toast-warning{border-left:4px solid #f59e0b}.toast-info{border-left:4px solid #3b82f6}.toast-icon{margin-right:12px;font-size:20px}.toast-content{flex:1}.toast-title{font-weight:600;margin-bottom:4px;font-size:14px}.toast-message{font-size:13px;color:#64748b}.toast-close{background:none;border:none;font-size:16px;cursor:pointer;color:#94a3b8;margin-left:8px}.filtri-generici{display:flex;flex-wrap:wrap;gap:1.5rem;background-color:#f8fafc;border-radius:0.75rem;padding:1.25rem;margin:2rem 0 1.5rem 0;box-shadow:0 2px 10px rgba(0,0,0,0.05);border:1px solid rgba(0,0,0,0.05);position:relative}.filtri-generici::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(to bottom,#4a00e0,#8e2de2);border-top-left-radius:0.75rem;border-bottom-left-radius:0.75rem}.filter-group{flex:1;min-width:200px}.filter-group label{display:block;margin-bottom:0.5rem;font-weight:600;color:#1e293b;font-size:0.9rem}.filter-select{width:100%;padding:0.75rem 1rem;border:1px solid #e2e8f0;border-radius:0.5rem;background-color:white;color:#334155;font-size:0.95rem;transition:all 0.3s ease;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%234a00e0' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:12px;cursor:pointer}.filter-select:focus{outline:none;border-color:#4a00e0;box-shadow:0 0 0 3px rgba(74,0,224,0.1)}.filter-select:hover{border-color:#cbd5e1}@media (max-width:768px){.filtri-generici{flex-direction:column;gap:1rem}.filter-group{width:100%}}.tecnobot-card{background-color:#fff;border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-md);transition:transform 0.3s ease,box-shadow 0.3s ease;margin-bottom:2rem}.tecnobot-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.tecnobot-header{background:linear-gradient(135deg,#4a00e0,#8e2de2);color:#fff;padding:1.5rem;position:relative;overflow:hidden}.tecnobot-title{font-size:1.75rem;font-weight:700;margin-bottom:0.5rem;position:relative;z-index:2}.tecnobot-subtitle{font-size:1rem;opacity:0.9;margin-bottom:0;position:relative;z-index:2}.tecnobot-body{padding:1.5rem}.tecnobot-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}.stat-item{text-align:center;padding:1rem;background-color:#f8fafc;border-radius:8px}.stat-value{font-size:1.5rem;font-weight:700;color:#4a00e0;margin-bottom:0.25rem}.stat-label{font-size:0.875rem;color:#64748b}@media (max-width:1200px){.tutorial-grid{grid-template-columns:repeat(3,1fr)}.tecnobot-stats{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){.tutorial-grid{grid-template-columns:repeat(2,1fr);gap:15px}.tutorial-title{font-size:1rem}.tecnobot-stats{grid-template-columns:repeat(2,1fr)}.tecnobot-title{font-size:1.5rem}}@media (max-width:480px){.tutorial-grid{grid-template-columns:1fr}.tutorial-image-container{height:160px}.tecnobot-stats{grid-template-columns:1fr}}