.auth-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:9999;opacity:0;transition:all .3s ease}.auth-modal.show{display:flex;align-items:center;justify-content:center;opacity:1}.auth-modal-content{background:linear-gradient(145deg,#fff 0%,#f8f9fa 100%);border-radius:24px;box-shadow:0 25px 50px rgba(0,0,0,.15) , 0 0 0 1px rgba(255,255,255,.1);padding:40px;max-width:480px;width:90%;max-height:90vh;overflow-y:auto;position:relative;transform:scale(.9) translateY(20px);transition:all .3s cubic-bezier(.34,1.56,.64,1)}.auth-modal.show .auth-modal-content{transform:scale(1) translateY(0)}.auth-modal-close{position:absolute;top:20px;right:20px;background:none;border:none;font-size:24px;color:#6c757d;cursor:pointer;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.auth-modal-close:hover{background:rgba(0,0,0,.1);color:#495057;transform:rotate(90deg)}.auth-modal-header{text-align:center;margin-bottom:30px;padding-right:40px}.auth-modal-header h2{color:#2d3748;font-weight:700;font-size:2rem;margin-bottom:8px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-modal-header p{color:#718096;font-size:16px;margin:0}.auth-form{display:block}.form-group{margin-bottom:1.5rem}.form-label{display:flex;align-items:center;gap:.5rem;font-weight:600;color:#374151;margin-bottom:.5rem;font-size:.95rem}.form-label i{color:#667eea;width:16px}.input-group{position:relative;display:flex;flex-wrap:wrap;align-items:stretch;width:100%}.input-group-text{display:flex;align-items:center;padding:.75rem 1rem;font-size:1rem;font-weight:400;line-height:1.5;color:#6b7280;text-align:center;white-space:nowrap;background-color:#f9fafb;border:1px solid #d1d5db;border-radius:12px 0 0 12px;border-right:none}.input-group .form-control{position:relative;flex:1 1 auto;width:1%;min-width:0;border-left:none;border-radius:0}.input-group .btn-outline-secondary{border-left:none;border-radius:0 12px 12px 0;padding:.75rem 1rem;display:flex;align-items:center;justify-content:center;background:#f9fafb;border-color:#d1d5db;color:#6b7280;cursor:pointer;transition:all .3s ease;z-index:3}.input-group .btn-outline-secondary:hover{background:#f3f4f6;border-color:#9ca3af;color:#374151}.input-group .btn-outline-secondary:focus,.input-group .btn-outline-secondary:active{box-shadow:none!important;outline:none!important;background:#e5e7eb;border-color:#6b7280}.form-control{display:block;width:100%;padding:.75rem 1rem;font-size:1rem;font-weight:400;line-height:1.5;color:#374151;background-color:#fff;background-image:none;border:1px solid #d1d5db;border-radius:12px;transition:border-color .15s ease-in-out , box-shadow .15s ease-in-out}.form-control:focus{color:#374151;background-color:#fff;border-color:#667eea;outline:0;box-shadow:0 0 0 3px rgba(102,126,234,.1)}.form-control::placeholder{color:#9ca3af;opacity:1}.form-control.is-invalid{border-color:#ef4444;box-shadow:0 0 0 3px rgba(239,68,68,.1)}.form-control.is-valid{border-color:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,.1)}.invalid-feedback{display:none;width:100%;margin-top:.25rem;font-size:.875rem;color:#ef4444}.invalid-feedback.show,
.form-control.is-invalid ~ .invalid-feedback {display:block}.form-text{margin-top:.25rem;font-size:.875rem;color:#6b7280}.form-check{display:block;min-height:1.5rem;padding-left:1.5rem;margin-bottom:1rem}.form-check-input{width:1rem;height:1rem;margin-top:.25rem;margin-left:-1.5rem;vertical-align:top;background-color:#fff;background-repeat:no-repeat;background-position:center;background-size:contain;border:1px solid #d1d5db;border-radius:4px;transition:all .15s ease-in-out}.form-check-input:checked{background-color:#667eea;border-color:#667eea;background-image:url(data:image/svg+xml,%3csvg\ xmlns=\'http://www.w3.org/2000/svg\'\ viewBox=\'0\ 0\ 20\ 20\'%3e%3cpath\ fill=\'none\'\ stroke=\'%23fff\'\ stroke-linecap=\'round\'\ stroke-linejoin=\'round\'\ stroke-width=\'3\'\ d=\'m6\ 10\ 3\ 3\ 6-6\'/%3e%3c/svg%3e)}.form-check-input:focus{border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.1)}.form-check-label{color:#374151;font-size:.95rem;cursor:pointer}.form-check-label a{color:#667eea;text-decoration:none}.form-check-label a:hover{text-decoration:underline}.btn-auth{width:100%;padding:.875rem 1.5rem;font-size:1rem;font-weight:600;line-height:1.5;color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:12px;text-align:center;text-decoration:none;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;gap:.5rem}.btn-auth:hover:not(:disabled) {background:linear-gradient(135deg,#5a67d8 0%,#6b46c1 100%);transform:translateY(-2px);box-shadow:0 8px 25px rgba(102,126,234,.3)}.btn-auth:active{transform:translateY(0)}.btn-auth:disabled{opacity:.7;cursor:not-allowed;transform:none}.loading-spinner{display:none;width:1rem;height:1rem;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}.auth-switch{text-align:center;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid #e5e7eb}.auth-switch p{margin:0;color:#6b7280;font-size:.95rem}.auth-switch a{color:#667eea;text-decoration:none;font-weight:600}.auth-switch a:hover{text-decoration:underline}.forgot-password{text-align:center;margin-top:1rem}.forgot-password a{color:#667eea;text-decoration:none;font-size:.95rem}.forgot-password a:hover{text-decoration:underline}.alert{position:relative;padding:1rem 1.25rem;margin-bottom:1rem;border:1px solid transparent;border-radius:12px;display:flex;align-items:center}.alert-success{color:#065f46;background-color:#d1fae5;border-color:#a7f3d0}.alert-danger{color:#991b1b;background-color:#fee2e2;border-color:#fecaca}.alert-dismissible .btn-close{position:absolute;top:0;right:0;z-index:2;padding:1.25rem 1rem;background:none;border:none;cursor:pointer;opacity:.5}.alert-dismissible .btn-close:hover{opacity:1}@media (max-width:768px){.auth-modal-content{padding:30px 20px;margin:20px;max-width:calc(100% - 40px)}.auth-modal-header{padding-right:30px}.auth-modal-header h2{font-size:1.75rem}.form-group{margin-bottom:1.25rem}.btn-auth{padding:.75rem 1.25rem;font-size:.95rem}}@media (max-width:480px){.auth-modal-content{padding:25px 15px;margin:15px;max-width:calc(100% - 30px)}.input-group-text,.form-control,.btn-outline-secondary{padding:.625rem .75rem;font-size:.95rem}}.form-control:focus,.btn-auth:focus,.form-check-input:focus{outline:2px solid transparent;outline-offset:2px}.auth-modal{animation:fadeInBackdrop .3s ease}.auth-modal.show .auth-modal-content{animation:slideInUp .3s cubic-bezier(.34,1.56,.64,1)}@keyframes fadeInBackdrop {
    from { opacity: 0; }
    to { opacity: 1; }
}@keyframes slideInUp {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}.form-control:disabled,.form-control[readonly]{background-color:#f9fafb;opacity:1}.input-group .form-control:not(:last-child) {border-top-right-radius:0;border-bottom-right-radius:0}.input-group .form-control:not(:first-child) {border-top-left-radius:0;border-bottom-left-radius:0}.bi{display:inline-block;width:1em;height:1em;vertical-align:-.125em;fill:currentcolor}button:focus{outline:none}.input-group .btn-outline-secondary{position:relative;z-index:2;min-width:48px}.input-group .btn-outline-secondary i{font-size:1rem;line-height:1}.input-group .btn-outline-secondary::-moz-focus-inner{border:0;padding:0}.input-group>.form-control,.input-group>.input-group-text,.input-group>.btn{display:flex;align-items:center}.input-group>.form-control:focus{z-index:3}.input-group > .form-control:not(:first-child) {margin-left:-1px}.input-group > .btn:not(:first-child) {margin-left:-1px}:root{--premium-primary:#667eea;--premium-secondary:#764ba2;--premium-accent:#00d4ff;--premium-gold:#ffd700;--premium-dark:#1a1a2e;--premium-light:#f8f9ff;--premium-gradient-main:linear-gradient(135deg,#667eea 0%,#764ba2 100%);--premium-gradient-accent:linear-gradient(135deg,#00d4ff 0%,#667eea 100%);--premium-gradient-gold:linear-gradient(135deg,#ffd700 0%,#ffa500 100%);--premium-shadow-sm:0 2px 8px rgba(102,126,234,.15);--premium-shadow-md:0 4px 16px rgba(102,126,234,.2);--premium-shadow-lg:0 8px 32px rgba(102,126,234,.25);--premium-shadow-xl:0 16px 48px rgba(102,126,234,.3)}.trust-badges{background:linear-gradient(to bottom,transparent,rgba(102,126,234,.05));border-radius:12px;padding:20px}.trust-badges .badge-item{padding:10px;transition:transform .3s ease}.trust-badges .badge-item:hover{transform:translateY(-5px)}.trust-badges .badge-item i{filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.btn-premium{background:var(--premium-gradient-main);border:none;color:#fff;padding:12px 32px;border-radius:8px;font-weight:600;box-shadow:var(--premium-shadow-md);transition:all .3s ease}.btn-premium:hover{transform:translateY(-2px);box-shadow:var(--premium-shadow-lg);color:#fff}.btn-premium-outline{background:transparent;border:2px solid var(--premium-primary);color:var(--premium-primary);padding:12px 32px;border-radius:8px;font-weight:600;transition:all .3s ease}.btn-premium-outline:hover{background:var(--premium-gradient-main);border-color:transparent;color:#fff;transform:translateY(-2px)}.premium-card{background:#fff;border-radius:16px;padding:30px;box-shadow:var(--premium-shadow-sm);transition:all .3s ease;border:1px solid rgba(102,126,234,.1)}.premium-card:hover{box-shadow:var(--premium-shadow-lg);transform:translateY(-4px);border-color:var(--premium-primary)}.premium-card-header{background:var(--premium-gradient-main);color:#fff;padding:20px;border-radius:16px 16px 0 0;margin:-30px -30px 20px -30px}.main-header{backdrop-filter:blur(10px);box-shadow:var(--premium-shadow-md)}.navbar-brand img{filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));transition:transform .3s ease}.navbar-brand:hover img{transform:scale(1.05)}.footer{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);position:relative;overflow:hidden}.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:var(--premium-gradient-accent)}@keyframes premium-float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}.premium-float{animation:premium-float 3s ease-in-out infinite}@keyframes premium-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(102, 126, 234, 0.3); }
    50% { box-shadow: 0 0 40px rgba(102, 126, 234, 0.6); }
}.premium-glow{animation:premium-glow 2s ease-in-out infinite}.text-premium-gradient{background:var(--premium-gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700}.text-premium-gold{background:var(--premium-gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700}.premium-badge{background:var(--premium-gradient-main);color:#fff;padding:6px 16px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;box-shadow:var(--premium-shadow-sm)}.premium-badge-gold{background:var(--premium-gradient-gold);color:#1a1a2e}@media (max-width:768px){.trust-badges{gap:2rem!important}.trust-badges .badge-item{flex:0 0 calc(50% - 1rem)}}@media (max-width:576px){.trust-badges .badge-item{flex:0 0 100%}}.premium-feature-icon{width:64px;height:64px;background:var(--premium-gradient-main);border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:32px;box-shadow:var(--premium-shadow-md);margin-bottom:20px}.premium-pricing-card{position:relative;overflow:hidden}.premium-pricing-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--premium-gradient-main)}.premium-pricing-popular{border:2px solid var(--premium-primary);transform:scale(1.05)}.premium-pricing-popular::after{content:'Популярний';position:absolute;top:20px;right:-30px;background:var(--premium-gradient-gold);color:#1a1a2e;padding:4px 40px;transform:rotate(45deg);font-size:12px;font-weight:700;text-transform:uppercase}:root{--primary-gradient:linear-gradient(135deg,#667eea 0%,#764ba2 100%);--secondary-gradient:linear-gradient(135deg,#f093fb 0%,#f5576c 100%);--success-gradient:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%);--warning-gradient:linear-gradient(135deg,#43e97b 0%,#38f9d7 100%);--bg-primary:#fff;--bg-secondary:#f8f9fa;--text-primary:#2c3e50;--text-secondary:#6c757d;--border-color:#e9ecef;--shadow:0 10px 40px rgba(0,0,0,.1)}[data-theme="dark"]{--bg-primary:#1a1d23;--bg-secondary:#252a31;--text-primary:#fff;--text-secondary:#94a3b8;--border-color:#374151;--shadow:0 10px 40px rgba(0,0,0,.3)}.faq-hero{background:var(--primary-gradient);position:relative;overflow:hidden;padding:120px 0 80px;min-height:80vh}.faq-hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url(data:image/svg+xml,<svg\ xmlns=\"http://www.w3.org/2000/svg\"\ viewBox=\"0\ 0\ 100\ 100\"><defs><pattern\ id=\"faq\"\ width=\"30\"\ height=\"30\"\ patternUnits=\"userSpaceOnUse\"><circle\ cx=\"15\"\ cy=\"15\"\ r=\"8\"\ fill=\"none\"\ stroke=\"rgba\(255,255,255,0.1\)\"\ stroke-width=\"1\"/><text\ x=\"15\"\ y=\"19\"\ font-family=\"Arial\"\ font-size=\"10\"\ fill=\"rgba\(255,255,255,0.05\)\"\ text-anchor=\"middle\">?</text></pattern></defs><rect\ width=\"100\"\ height=\"100\"\ fill=\"url\(%23faq\)\"/></svg>);opacity:.6;animation:backgroundFloat 20s ease-in-out infinite}.faq-badge{display:inline-flex;align-items:center;background:rgba(255,255,255,.15);backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,.2);border-radius:50px;padding:12px 28px;color:#fff;font-size:14px;font-weight:600;animation:float 3s ease-in-out infinite;box-shadow:0 8px 32px rgba(0,0,0,.1)}.faq-badge i{margin-right:10px;font-size:18px}.hero-content{position:relative;z-index:2}.search-container{margin-top:40px;position:relative}.search-box{position:relative;flex:1}.search-container{display:flex;gap:15px;align-items:center}.search-box input{width:100%;padding:18px 20px 18px 55px;border:2px solid rgba(255,255,255,.2);border-radius:16px;background:rgba(255,255,255,.1);backdrop-filter:blur(10px);color:#fff;font-size:16px;transition:all .3s ease}.search-box input::placeholder{color:rgba(255,255,255,.7)}.search-box input:focus{outline:none;border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.15);box-shadow:0 0 30px rgba(255,255,255,.2)}.search-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:rgba(255,255,255,.7);font-size:18px}.search-btn{background:rgba(255,255,255,.2);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3);border-radius:16px;padding:18px 24px;color:#fff;transition:all .3s ease;cursor:pointer}.search-btn:hover{background:rgba(255,255,255,.3);transform:scale(1.05)}.search-suggestions{position:absolute;top:100%;left:0;right:0;background:rgba(255,255,255,.95);backdrop-filter:blur(20px);border-radius:12px;margin-top:8px;box-shadow:0 10px 40px rgba(0,0,0,.2);z-index:1000;display:none}.suggestion-item{padding:12px 20px;color:#2c3e50;cursor:pointer;border-bottom:1px solid rgba(0,0,0,.1);transition:all .2s ease}.suggestion-item:hover{background:rgba(102,126,234,.1)}.suggestion-item:last-child{border-bottom:none}.popular-searches{margin-top:25px;display:flex;align-items:center;flex-wrap:wrap;gap:10px}.popular-label{color:rgba(255,255,255,.8);font-size:14px;font-weight:500;margin-right:10px}.popular-tag{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:6px 16px;color:#fff;font-size:13px;transition:all .3s ease;cursor:pointer}.popular-tag:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}.hero-visual{position:relative;z-index:2}.knowledge-stats{background:rgba(255,255,255,.1);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2);border-radius:24px;padding:30px;animation:float 4s ease-in-out infinite 1s;box-shadow:0 20px 60px rgba(0,0,0,.2)}.stats-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.1)}.stats-header h6{color:#fff;margin:0;font-weight:600;font-size:16px}.update-indicator{display:flex;align-items:center;color:#4ade80;font-size:12px;font-weight:500}.update-dot{width:8px;height:8px;background:#4ade80;border-radius:50%;margin-right:8px;animation:pulse 2s infinite}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin-bottom:25px}.stat-card{background:rgba(255,255,255,.05);border-radius:16px;padding:20px;text-align:center;position:relative;overflow:hidden;transition:all .3s ease}.stat-card:hover{background:rgba(255,255,255,.1);transform:scale(1.05)}.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#4ade80,#22c55e)}.stat-number{color:#fff;font-size:1.8rem;font-weight:700;display:block;margin-bottom:5px}.stat-label{color:rgba(255,255,255,.7);font-size:11px;text-transform:uppercase;letter-spacing:1px}.stat-icon{position:absolute;top:15px;right:15px;color:rgba(255,255,255,.3);font-size:20px}.quick-help{border-top:1px solid rgba(255,255,255,.1);padding-top:20px}.help-title{color:#fff;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:15px}.help-buttons{display:grid;gap:10px}.help-btn{display:flex;align-items:center;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:12px 16px;color:#fff;text-decoration:none;transition:all .3s ease;cursor:pointer}.help-btn:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateX(5px)}.help-btn i{margin-right:10px;font-size:16px}.help-btn span{font-size:13px;font-weight:500}.popular-questions{padding:80px 0;background:var(--bg-primary)}.questions-grid{display:grid;gap:20px;max-width:800px;margin:0 auto}.question-card{background:var(--bg-primary);border:2px solid var(--border-color);border-radius:20px;padding:25px;transition:all .3s ease;position:relative;overflow:hidden}.question-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-gradient);transform:scaleX(0);transition:transform .3s ease}.question-card:hover{border-color:#667eea;transform:translateY(-5px);box-shadow:var(--shadow)}.question-card:hover::before{transform:scaleX(1)}.question-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px}.question-title{color:var(--text-primary);margin:0;font-weight:600;line-height:1.4;flex:1;margin-right:20px}.question-meta{display:flex;align-items:center;gap:15px;flex-shrink:0}.views-count{display:flex;align-items:center;color:var(--text-secondary);font-size:13px}.views-count i{margin-right:5px}.expand-btn{background:#f8f9fa;border:1px solid var(--border-color);border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;cursor:pointer}.expand-btn:hover{background:#667eea;color:#fff;transform:scale(1.1)}.expand-btn.expanded{transform:rotate(180deg);background:#667eea;color:#fff}.question-answer{max-height:0;overflow:hidden;transition:all .4s ease;opacity:0}.question-answer.expanded{max-height:500px;opacity:1;padding-top:15px}.question-answer p{color:var(--text-secondary);line-height:1.6;margin-bottom:20px}.answer-actions{display:flex;gap:10px}.action-btn{display:flex;align-items:center;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:8px 16px;color:var(--text-secondary);font-size:13px;transition:all .3s ease;cursor:pointer}.action-btn:hover{background:#667eea;color:#fff;border-color:#667eea}.action-btn i{margin-right:6px}.action-btn.helpful:hover{background:#22c55e;border-color:#22c55e}.action-btn.helpful.active{background:#22c55e;color:#fff;border-color:#22c55e}.categories-section{padding:80px 0;background:var(--bg-secondary)}.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.category-card{background:var(--bg-primary);border-radius:20px;padding:30px;border:2px solid transparent;transition:all .4s 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