@import"https://fonts.googleapis.com/css2?family=OpenDyslexic&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--isep-blue-dark: hsl(200, 48%, 32%);--isep-blue-medium: hsl(200, 50%, 40%);--isep-yellow: hsl(48, 100%, 65%);--isep-blue-dark-rgb: 44, 102, 130;--primary: var(--isep-blue-dark);--primary-dark: var(--isep-blue-medium);--secondary: var(--isep-yellow);--accent: var(--isep-yellow);--light: #f8f9fa;--dark: #212529;--gray: #6c757d;--light-gray: #e9ecef;--border-radius: 8px;--shadow: 0 4px 12px rgba(0, 0, 0, .1);--transition: all .3s ease}[data-theme=dark]{--isep-blue-dark: hsl(200, 48%, 45%);--isep-blue-medium: hsl(200, 50%, 50%);--isep-yellow: hsl(48, 100%, 75%);--primary: var(--isep-blue-dark);--primary-dark: var(--isep-blue-medium);--secondary: var(--isep-yellow);--accent: var(--isep-yellow);--light: #1f2937;--dark: #f8f9fa;--gray: #9ca3af;--light-gray: #374151;--shadow: 0 4px 12px rgba(0, 0, 0, .3)}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--dark);background-color:var(--light);transition:var(--transition)}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;font-family:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.main-header{background:var(--light);box-shadow:var(--shadow);position:sticky;top:0;z-index:1000;transition:var(--transition)}.header-content{display:flex;justify-content:space-between;align-items:center;padding:15px 0}.logo{font-size:1.8rem;font-weight:700;color:var(--primary)}.nav-links{display:flex;gap:25px;align-items:center}.mobile-menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}.mobile-menu-toggle span{width:25px;height:3px;background:var(--primary);transition:all .3s ease;border-radius:2px}.mobile-menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(8px,8px)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}.nav-link{font-weight:500;padding:8px 0;position:relative;transition:var(--transition);font-size:.95rem}.nav-link:hover,.nav-link.active{color:var(--primary)}.nav-link.active:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:2px;background:var(--primary)}.user-section{display:flex;align-items:center;gap:15px}.login-btn,.logout-btn{background:var(--primary);color:#fff;padding:8px 16px;border-radius:var(--border-radius);font-weight:500;transition:var(--transition);display:flex;align-items:center;gap:8px}.login-btn:hover,.logout-btn:hover{background:var(--primary-dark)}.logout-btn{background:var(--gray)}.user-info{display:flex;align-items:center;gap:10px}.theme-toggle{background:none;border:none;color:var(--dark);font-size:1.2rem;cursor:pointer;padding:8px;border-radius:50%;transition:var(--transition)}.theme-toggle:hover{background:var(--light-gray)}.language-switcher{display:flex;gap:5px;align-items:center}.language-btn{background:none;border:1px solid var(--light-gray);color:var(--dark);font-size:.9rem;cursor:pointer;padding:5px 10px;border-radius:4px;transition:var(--transition);font-weight:500}.language-btn:hover{background:var(--light-gray);border-color:var(--primary)}.language-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.hero-section{padding:80px 0;background:linear-gradient(135deg,var(--isep-blue-medium) 0%,var(--isep-blue-dark) 100%);color:#fff}.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.tagline{display:inline-block;background:#fff3;padding:5px 15px;border-radius:20px;font-size:.9rem;margin-bottom:15px}.hero-title{font-size:2.5rem;font-weight:700;line-height:1.2;margin-bottom:20px}.hero-description{font-size:1.1rem;margin-bottom:30px;opacity:.9}.hero-actions{display:flex;gap:15px;flex-wrap:wrap}.cta-button{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--dark);padding:12px 24px;border-radius:var(--border-radius);font-weight:600;transition:var(--transition)}.cta-button:hover{background:var(--isep-yellow);transform:translateY(-2px);box-shadow:0 8px 20px #ffe03c80}.cta-button.secondary{background:transparent;border:2px solid white;color:#fff}.cta-button.secondary:hover{background:#fff;color:var(--primary)}.hero-image{display:flex;justify-content:center;align-items:center}.hero-img{max-width:80%;max-height:350px;width:auto;height:auto;border-radius:var(--border-radius);display:block}.hero-image-placeholder{width:100%;height:300px;background:linear-gradient(45deg,#ffffff1a,#fff3);border-radius:var(--border-radius);display:flex;justify-content:center;align-items:center;font-size:1.2rem;color:#ffffffb3}.trust-badges{display:flex;justify-content:center;gap:30px;margin-top:40px;flex-wrap:wrap}.trust-badge{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:10px 20px;border-radius:var(--border-radius);font-size:.9rem}.trust-badge i{color:var(--secondary)}.stats-bar{background:var(--light);padding:40px 0;box-shadow:var(--shadow);transition:var(--transition)}.stats-container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.stat-item{text-align:center;padding:20px}.stat-number{font-size:2.5rem;font-weight:700;color:var(--primary);margin-bottom:10px}.stat-label{color:var(--gray);font-weight:500}.section{padding:80px 0}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:15px;color:var(--primary)}.section-description{text-align:center;max-width:700px;margin:0 auto 40px;color:var(--gray);font-size:1.1rem}.separator{border:none;height:1px;background:var(--light-gray);margin:40px 0}.progress-indicator{background:var(--light);padding:20px;border-radius:var(--border-radius);margin-bottom:30px;display:none;box-shadow:var(--shadow)}.progress-bar{height:10px;background:var(--light-gray);border-radius:5px;margin-bottom:10px;overflow:hidden}.progress-fill{height:100%;background:var(--secondary);border-radius:5px;transition:width .5s ease}.td-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px}.td-card{background:var(--light);border-radius:var(--border-radius);padding:25px;box-shadow:var(--shadow);transition:var(--transition);border-left:4px solid var(--primary);cursor:pointer;position:relative;overflow:hidden}.td-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #00000026}.td-card.completed{border-left-color:var(--secondary);animation:pulse 2s infinite}.locked-card{opacity:.7;background:var(--light-gray);cursor:not-allowed}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.td-card h3{font-size:1.5rem;color:var(--primary)}.difficulty{font-size:.8rem;padding:4px 10px;border-radius:12px;font-weight:600}.difficulty.easy{background:#e8f5e9;color:#2e7d32}.difficulty.medium{background:#fff3e0;color:#ef6c00}.difficulty.hard{background:#ffebee;color:#c62828}.card-footer{margin-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:.85rem}.completion-badge{color:var(--secondary);font-weight:600;display:flex;align-items:center;gap:5px}.time-estimate,.locked-badge{color:var(--gray)}.complete-btn{background:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:var(--border-radius);font-weight:500;transition:var(--transition);display:flex;align-items:center;gap:5px}.complete-btn:hover{background:var(--primary-dark);transform:scale(1.05)}.complete-btn.completed{background:var(--secondary);color:var(--dark)}.badges-section{background:var(--light);padding:40px;border-radius:var(--border-radius);margin:40px 0;box-shadow:var(--shadow)}.badges-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:30px}.badge{text-align:center;padding:20px;background:var(--light);border-radius:var(--border-radius);transition:var(--transition);border:2px solid var(--light-gray)}.badge.earned{border-color:var(--secondary);background:linear-gradient(135deg,var(--light) 0%,rgba(255,224,60,.2) 100%);animation:glow 2s ease-in-out infinite alternate}.badge-icon{font-size:3rem;margin-bottom:15px;color:var(--gray)}.badge.earned .badge-icon{color:var(--secondary)}.badge-title{font-weight:600;margin-bottom:5px;color:var(--dark)}.badge-desc{font-size:.8rem;color:var(--gray)}.telecom-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;margin:40px 0}.feature{text-align:center;padding:30px 20px;background:var(--light);border-radius:var(--border-radius);box-shadow:var(--shadow);transition:var(--transition)}.feature:hover{transform:translateY(-5px)}.feature i{font-size:2.5rem;color:var(--primary);margin-bottom:20px}.feature h4{font-size:1.3rem;margin-bottom:15px;color:var(--dark)}.secondary-cta{display:block;width:fit-content;margin:30px auto 0;background:var(--primary)}.secondary-cta:hover{background:var(--primary-dark)}.app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin:40px 0}.app-card{background:var(--light);padding:30px;border-radius:var(--border-radius);box-shadow:var(--shadow);transition:var(--transition);text-align:center}.app-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px #0000001a}.app-icon{font-size:3rem;color:var(--primary);margin-bottom:20px}.app-card h4{font-size:1.4rem;margin-bottom:15px;color:var(--dark)}.testimonials{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin-top:40px}.testimonial{background:var(--primary);color:#fff;padding:30px;border-radius:var(--border-radius);box-shadow:var(--shadow);position:relative}.testimonial:before{content:'"';font-size:4rem;color:var(--secondary);position:absolute;top:10px;left:20px;line-height:1}.testimonial-content{margin-bottom:20px;font-style:italic;position:relative;z-index:1}.testimonial-author{display:flex;flex-direction:column;align-items:flex-end}.testimonial-author strong{color:var(--secondary)}.testimonial-author span{font-size:.9rem;color:#adb5bd}.newsletter-section{background:var(--light);padding:60px 0;text-align:center}.newsletter-content{max-width:600px;margin:0 auto}.newsletter-form{display:flex;gap:10px;margin:30px 0 20px}.newsletter-form input{flex:1;padding:12px 15px;border:1px solid var(--light-gray);border-radius:var(--border-radius);font-size:1rem;background:var(--light);color:var(--dark)}.newsletter-form input:focus{border-color:var(--primary)}.privacy-note{font-size:.85rem;color:var(--gray)}.main-footer{background:var(--primary);color:#fff;padding:40px 0 20px}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:30px}.footer-column h4{color:#fff;margin-bottom:20px;font-size:1.2rem}.footer-links{list-style:none}.footer-links li{margin-bottom:10px}.footer-links a{color:#adb5bd;transition:var(--transition)}.footer-links a:hover{color:var(--secondary)}.footer-bottom{border-top:1px solid var(--primary-dark);padding-top:20px;text-align:center;color:#adb5bd;font-size:.9rem}.legal-links{display:flex;justify-content:center;gap:20px;margin-top:10px}.legal-links a{color:#adb5bd;font-size:.8rem}.legal-links a:hover{color:var(--secondary)}.modal{display:none;position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;background-color:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-content{background-color:var(--light);margin:5% auto;padding:30px;border-radius:var(--border-radius);width:90%;max-width:500px;position:relative;box-shadow:0 10px 30px #0003;max-height:90vh;overflow-y:auto}.close-modal{position:absolute;right:15px;top:15px;font-size:1.5rem;cursor:pointer;color:var(--gray)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--dark)}.form-group input{width:100%;padding:12px;border:1px solid var(--light-gray);border-radius:var(--border-radius);font-size:1rem;transition:var(--transition);background:var(--light);color:var(--dark)}.form-group input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px rgba(var(--isep-blue-dark-rgb),.1)}.input-help{display:block;margin-top:5px;font-size:.8rem;color:var(--gray)}.modal-note{font-size:.85rem;color:var(--gray);margin-top:20px;text-align:center}.spinner{display:inline-block;width:16px;height:16px;border:2px solid #ffffff;border-radius:50%;border-top-color:transparent;animation:spin 1s ease-in-out infinite;margin-left:8px}.notification{position:fixed;top:20px;right:20px;padding:0;border-radius:8px;z-index:10000;box-shadow:0 4px 12px #00000026;max-width:400px;animation:slideInRight .3s ease}.notification.success{background:var(--secondary);color:var(--dark)}.notification.error{background:#f44336;color:#fff}.notification.info{background:var(--primary);color:#fff}.notification-content{padding:15px 20px;display:flex;align-items:center;justify-content:space-between}.notification-close{background:none;border:none;color:inherit;font-size:1.2rem;cursor:pointer;margin-left:15px}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOutRight{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}@keyframes glow{0%{box-shadow:0 0 5px var(--secondary)}to{box-shadow:0 0 20px var(--secondary)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes bounce{0%,20%,53%,80%,to{transform:translateZ(0)}40%,43%{transform:translate3d(0,-30px,0)}70%{transform:translate3d(0,-15px,0)}90%{transform:translate3d(0,-4px,0)}}.legal-content{max-width:800px;margin:40px auto;background:var(--light);padding:40px;border-radius:var(--border-radius);box-shadow:var(--shadow)}.legal-content h1{color:var(--primary);margin-bottom:30px;text-align:center}.legal-content h2{color:var(--primary-dark);margin:30px 0 15px;font-size:1.5rem}.legal-content h3{color:var(--dark);margin:20px 0 10px;font-size:1.2rem}.legal-content p{margin-bottom:15px;line-height:1.7}.legal-content ul,.legal-content ol{margin:15px 0;padding-left:25px}.legal-content li{margin-bottom:8px;line-height:1.6}.highlight-box{background:var(--light-gray);padding:20px;border-radius:var(--border-radius);border-left:4px solid var(--primary);margin:20px 0}@media (max-width: 992px){.container{padding:0 15px}.hero-content{grid-template-columns:1fr;text-align:center;gap:30px}.hero-image{order:-1}.stats-container{grid-template-columns:repeat(2,1fr)}.footer-content{grid-template-columns:1fr 1fr;gap:30px}.hero-title{font-size:2.2rem}}@media (max-width: 768px){.section{padding:50px 0}.hero-section{padding:40px 0}.stats-bar{padding:20px 0}.header-content{flex-direction:row;flex-wrap:wrap;gap:10px;padding:10px 0}.mobile-menu-toggle{display:flex;order:2}.nav-links{display:none;width:100%;order:3;flex-direction:column;gap:10px;padding:15px 0;background:var(--light);border-top:1px solid var(--light-gray);margin-top:10px}.nav-links.active{display:flex}.user-section{order:1;margin-left:auto;gap:10px}.hero-title{font-size:1.8rem}.section-title{font-size:1.6rem}.hero-actions{justify-content:center;flex-direction:column}.hero-actions a{width:100%;justify-content:center}.trust-badges{flex-direction:column;align-items:stretch}.newsletter-form{flex-direction:column}.newsletter-form input{margin-bottom:10px}.newsletter-form button.cta-button{width:100%;justify-content:center}.td-grid,.app-grid,.testimonials,.telecom-features{grid-template-columns:1fr}.hero-img{max-width:90%}}@media (max-width: 576px){.container{padding:0 10px}.logo{font-size:1.4rem}.stats-container,.footer-content{grid-template-columns:1fr}.legal-links{flex-direction:column;gap:10px}.hero-img{max-width:95%}.main-content-area{padding-top:40px;padding-bottom:60px;min-height:80vh}.tabs-container{display:flex;justify-content:center;gap:15px;margin-bottom:40px;flex-wrap:wrap}.tab-btn{background:var(--light);border:2px solid transparent;padding:12px 25px;border-radius:30px;font-weight:600;color:var(--gray);transition:var(--transition);font-size:1rem;box-shadow:var(--shadow)}.tab-btn:hover{transform:translateY(-2px);color:var(--primary)}.tab-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 5px 15px rgba(var(--isep-blue-dark-rgb),.3)}.tab-content{display:none;animation:fadeIn .5s ease}.tab-content.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.content-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px}.content-card{background:var(--light);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--light-gray)}.card-header-colored{background:var(--primary);color:#fff;padding:20px;display:flex;align-items:center;gap:15px}.card-header-colored i{font-size:1.5rem;color:var(--secondary)}.accordion-item{border-bottom:1px solid var(--light-gray)}.accordion-header{width:100%;padding:15px 20px;background:transparent;text-align:left;font-weight:600;color:var(--dark);display:flex;justify-content:space-between;align-items:center;transition:background .3s}.accordion-header:hover{background:#00000005;color:var(--primary)}.accordion-body{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .3s ease-out,padding .3s ease;background:#00000003;font-size:.95rem}.accordion-body.open{padding:15px 20px;max-height:500px}.code-snippet{background:#282c34;color:#abb2bf;padding:10px;border-radius:5px;font-family:monospace;margin-top:10px;font-size:.85rem}.cheat-sheet-container{max-width:800px;margin:0 auto}.code-block-wrapper{background:#282c34;border-radius:var(--border-radius);padding:20px;margin-bottom:25px;box-shadow:var(--shadow);position:relative}.code-block-wrapper h4{color:var(--secondary);margin-bottom:10px;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:10px}.info-box{padding:15px;border-radius:var(--border-radius);display:flex;gap:15px;align-items:flex-start;margin-top:20px}.info-box.warning{background:#fff3cd;color:#856404;border:1px solid #ffeeba}.quiz-container{max-width:700px;margin:0 auto;background:var(--light);padding:40px;border-radius:var(--border-radius);box-shadow:var(--shadow);text-align:center}.quiz-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;border-bottom:2px solid var(--light-gray);padding-bottom:15px}.score-display{background:var(--primary);color:#fff;padding:5px 15px;border-radius:20px;font-weight:700}.question-text{font-size:1.3rem;margin-bottom:25px;font-weight:600}.options-grid{display:grid;gap:15px}.option-btn{background:#fff;border:2px solid var(--light-gray);padding:15px;border-radius:10px;font-size:1rem;transition:all .2s;text-align:left;color:var(--dark)}.option-btn:hover{border-color:var(--primary);background:#4466820d}.option-btn.correct{background:#d4edda;border-color:#28a745;color:#155724}.option-btn.wrong{background:#f8d7da;border-color:#dc3545;color:#721c24}#quiz-result.hidden{display:none}.hero-section.exam-mode{background:linear-gradient(135deg,#d32f2f,#b71c1c);color:#fff}.alert-badge{background:#ffeb3b;color:#b71c1c;display:inline-block;padding:5px 15px;border-radius:20px;font-weight:800;margin-bottom:15px;animation:pulse 2s infinite}.centered{text-align:center}.exam-timer{position:fixed;top:20px;right:20px;background:var(--dark);color:#ffeb3b;padding:10px 20px;border-radius:30px;font-family:monospace;font-size:1.2rem;z-index:9999;box-shadow:0 4px 15px #0000004d;display:flex;gap:10px;align-items:center;border:2px solid #ffeb3b}.exam-timer.hidden{display:none}.timer-btn{background:transparent;border:1px solid #666;color:#fff;border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center;cursor:pointer}.timer-btn:hover{background:#fff3}.revision-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px}.concept-card{background:var(--light);padding:25px;border-radius:var(--border-radius);box-shadow:var(--shadow);border-left:5px solid var(--primary)}.concept-card.warning{border-left-color:#f57c00}.check-list{list-style:none;padding:0}.check-list li{margin-bottom:10px;padding-left:20px;position:relative}.check-list li:before{content:"✓";color:var(--secondary);position:absolute;left:0;font-weight:700}.cardinality-visual{background:#eee;padding:15px;border-radius:8px;margin-top:15px}.card-row{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid #ddd}.rules-container{display:flex;flex-direction:column;gap:30px}.rule-card{background:#fff;border:1px solid #e0e0e0;border-radius:10px;overflow:hidden}.rule-card.highlight{border:2px solid var(--primary);box-shadow:0 0 15px rgba(var(--isep-blue-dark-rgb),.15)}.rule-header{background:#f5f5f5;padding:15px;font-weight:700;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between}.rule-visual{padding:20px;text-align:center}.er-view{background:#e3f2fd;padding:10px;border-radius:5px;display:inline-block;margin-bottom:10px}.relational-view{background:#fff3e0;padding:15px;border-radius:5px;border:1px dashed #f57c00}.relational-view code{display:block;margin-top:10px;font-family:monospace;background:#0000000d;padding:5px}.exercise-card{background:#fff;border-radius:10px;margin-bottom:30px;box-shadow:var(--shadow);overflow:hidden}.ex-header{background:var(--primary);color:#fff;padding:15px 25px;display:flex;justify-content:space-between;align-items:center}.tag{background:var(--secondary);color:var(--dark);padding:2px 10px;border-radius:12px;font-size:.75rem;font-weight:700;text-transform:uppercase}.ex-body{padding:25px}.reveal-btn{background:var(--dark);color:#fff;border:none;padding:10px 20px;border-radius:5px;cursor:pointer;margin-top:15px;width:100%;transition:background .3s}.reveal-btn:hover{background:#444}.correction{margin-top:20px;padding:20px;background:#f8f9fa;border-left:4px solid #28a745;animation:slideDown .5s ease}.correction.hidden{display:none}.correction-points li{margin-bottom:8px}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}}body.dyslexia-font,body.dyslexia-font *{font-family:OpenDyslexic,Comic Sans MS,sans-serif!important;letter-spacing:.12em;word-spacing:.16em;line-height:2!important}body.high-contrast{--primary: #000080;--secondary: #FFD700;--light: #FFFFFF;--white: #FFFFFF;--dark: #000000;--gray: #404040;--light-gray: #E0E0E0}body.high-contrast *{border-color:#000!important}body.high-contrast a{text-decoration:underline!important;font-weight:700!important}body.high-contrast button,body.high-contrast .cta-button{border:3px solid #000000!important;font-weight:700!important}*:focus{outline:3px solid var(--accent);outline-offset:2px}.skip-link{position:absolute;top:-40px;left:0;background:var(--primary);color:#fff;padding:8px;text-decoration:none;z-index:100}.skip-link:focus{top:0}.accessibility-options{display:flex;flex-direction:column;gap:10px}.accessibility-btn{background:var(--light-gray);border:1px solid var(--gray);padding:8px 12px;border-radius:4px;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:8px;font-size:.9rem}.accessibility-btn:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}.accessibility-btn i{font-size:1.1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}.footer-section h3,.footer-section h4{color:var(--primary);margin-bottom:15px}.footer-section ul{list-style:none;padding:0}.footer-section ul li{margin-bottom:8px}.footer-section ul li a{color:var(--gray);text-decoration:none;transition:var(--transition)}.footer-section ul li a:hover{color:var(--primary);padding-left:5px}.footer-bottom{border-top:1px solid var(--light-gray);padding-top:20px;text-align:center;color:var(--gray)}@media (max-width: 768px){.accessibility-options{flex-direction:row}.accessibility-btn span{display:none}.footer-content{grid-template-columns:1fr;gap:20px}}@media print{.main-header,.main-footer,.theme-toggle,.language-switcher,.mobile-menu-toggle{display:none!important}body{background:#fff;color:#000}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-top:32px}.why-card{background:var(--card-bg, #fff);border:1px solid var(--border-color, #e9ecef);border-radius:16px;padding:28px 24px;transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;gap:10px}.why-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px #6366f11f}.why-icon{width:52px;height:52px;background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:8px}.why-icon i{color:#fff;font-size:1.4rem}.why-card h4{font-size:1rem;font-weight:700;color:var(--text-primary, #1a1a2e);margin:0}.why-card p{font-size:.9rem;color:var(--text-secondary, #6c757d);line-height:1.6;margin:0}.app-card .cta-button{margin-top:15px;text-decoration:none;display:inline-block}