:root{--primary-blue: #2563eb;--primary-blue-light: #3b82f6;--primary-blue-dark: #1d4ed8;--accent-blue: #4a86e8;--gradient-blue: linear-gradient(135deg, #4a86e8, #2563eb);--text-dark: #0f172a;--text-gray: #64748b;--text-light: #94a3b8;--bg-light: #f8fafc;--bg-blue-light: #eff6ff;--white: #ffffff;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-md: .5rem;--radius-lg: 1rem;--radius-full: 9999px}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{background-color:var(--bg-light);color:var(--text-dark);min-height:100vh;overflow-x:hidden}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes wave-animation{0%{transform:scale(0);opacity:.8}to{transform:scale(2);opacity:0}}@keyframes pulse{0%,to{transform:scale(1);box-shadow:0 10px 30px #4a86e866}50%{transform:scale(1.05);box-shadow:0 15px 40px #4a86e899}}.btn{padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all .2s;font-size:.95rem;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none}.btn-primary{background-color:var(--primary-blue);color:var(--white)}.btn-primary:hover:not(:disabled){background-color:var(--primary-blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary .spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.btn-outline{background:transparent;border:1px solid var(--primary-blue);color:var(--primary-blue)}.btn-outline:hover{background-color:var(--bg-blue-light)}.btn-large{padding:1rem 2rem;font-size:1.125rem;font-weight:600}.btn-resend{margin-top:1rem;background:transparent;border:2px solid var(--primary-blue);color:var(--primary-blue)}.btn-resend:hover:not(:disabled){background:var(--bg-blue-light)}.btn-resend:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-dark)}.form-control{width:100%;padding:.875rem 1rem;border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;transition:all .2s}.form-control:focus{outline:none;border-color:var(--primary-blue-light);box-shadow:0 0 0 3px #3b82f640}.inline-notification{padding:1rem 1.5rem;border-radius:var(--radius-md);margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem;font-weight:500;animation:slideInDown .3s ease-out;box-shadow:var(--shadow-md)}.inline-notification.loading{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.inline-notification.success{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.inline-notification.error{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.inline-notification.warning{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.inline-notification i{font-size:1.25rem}.inline-notification .spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.page-wrapper{display:flex;flex-direction:column;min-height:100vh}.content-wrapper{flex:1;display:flex;flex-direction:column}.main-container{display:flex;min-height:100vh}.presentation-section{flex:1;background-color:var(--white);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;position:relative;overflow:hidden}.presentation-content{text-align:center;max-width:600px;z-index:1}.main-title{font-size:3rem;font-weight:800;margin-bottom:1rem;background:linear-gradient(90deg,#4a86e8,#2563eb,#1d4ed8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}.subtitle{font-size:1.75rem;font-weight:600;margin-bottom:1.5rem;color:var(--text-gray)}.description{font-size:1.125rem;color:var(--text-gray);margin-bottom:2.5rem;line-height:1.6}.auth-section{width:500px;background-color:var(--bg-light);padding:2rem;display:flex;flex-direction:column;justify-content:center}.auth-tabs{display:flex;margin-bottom:2rem;border-bottom:1px solid var(--border-color)}.auth-tab{padding:1rem 1.5rem;font-weight:600;color:var(--text-gray);cursor:pointer;border-bottom:2px solid transparent;transition:all .2s}.auth-tab.active{color:var(--primary-blue);border-bottom-color:var(--primary-blue)}.auth-form{display:none}.auth-form.active{display:block}.auth-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem}.auth-footer{margin-top:1.5rem;text-align:center;color:var(--text-gray)}.auth-footer a{color:var(--primary-blue);text-decoration:none;font-weight:500}.auth-footer a:hover{text-decoration:underline}.verification-section{margin-top:1.5rem;padding:1.5rem;background:var(--bg-blue-light);border-radius:var(--radius-md);border:2px solid var(--primary-blue-light);animation:slideIn .3s ease}.verification-notice{background:linear-gradient(135deg,#10b981,#059669);color:#fff;padding:1rem;border-radius:var(--radius-md);margin-bottom:1rem;text-align:center;font-weight:600}.verification-notice i{margin-right:.5rem}.verification-notice.warning{background:linear-gradient(135deg,#f59e0b,#d97706)}.code-input-container{position:relative;margin:1.5rem 0}.verification-code-input{font-size:2rem!important;text-align:center;letter-spacing:.5rem;font-weight:700;padding:1.5rem 1rem!important;font-family:Courier New,monospace}.verification-info{display:flex;justify-content:space-between;align-items:center;font-size:.875rem;color:var(--text-gray);margin:1rem 0;padding:.75rem 1rem;background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border-color)}.attempts-left{font-weight:600;color:var(--primary-blue)}.attempts-left.warning{color:#f59e0b}.attempts-left.danger{color:#ef4444}.resend-timer{font-weight:600;color:var(--text-gray)}.navbar{position:absolute;top:0;left:0;width:100%;padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;z-index:10}.logo{display:flex;align-items:center;text-decoration:none;transition:all .3s ease}.logo:hover{transform:translateY(-1px)}.logo img{height:40px;width:auto;margin-right:12px}.logo-text{font-family:Inter,SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1.75rem;font-weight:700;background:linear-gradient(135deg,#2563eb,#3b82f6,#1d4ed8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.025em;text-shadow:0 2px 4px rgba(37,99,235,.1)}.nav-icons{display:flex;gap:1rem;align-items:center}.nav-icon-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background-color:var(--bg-light);color:var(--text-gray);transition:all .3s ease;position:relative;text-decoration:none}.nav-icon-link:hover{background-color:var(--primary-blue);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow-md)}.nav-icon-link i{font-size:1.1rem}.nav-icon-telegram{background-color:#f0f4ff;color:#08c}.nav-icon-telegram:hover{background-color:#08c;color:var(--white)}.nav-icon-support{background-color:#f0f4ff;color:var(--primary-blue)}.nav-icon-support:hover{background-color:var(--primary-blue);color:var(--white)}.nav-icon-link:after{content:attr(data-tooltip);position:absolute;top:100%;left:50%;transform:translate(-50%) translateY(8px);background-color:#0f172af2;color:var(--white);padding:.5rem 1rem;border-radius:var(--radius-md);font-size:.875rem;white-space:nowrap;opacity:0;visibility:hidden;transition:all .3s ease;pointer-events:none;z-index:50}.nav-icon-link:hover:after{opacity:1;visibility:visible;transform:translate(-50%) translateY(4px)}.nav-icon-link:before{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%) translateY(3px);width:0;height:0;border-style:solid;border-width:0 6px 6px 6px;border-color:transparent transparent rgba(15,23,42,.95) transparent;opacity:0;visibility:hidden;transition:all .3s ease;z-index:51}.nav-icon-link:hover:before{opacity:1;visibility:visible;transform:translate(-50%) translateY(-1px)}.sphere-container{width:320px;height:320px;position:relative;margin-bottom:3rem}.sphere{width:100%;height:100%;border-radius:50%;background:var(--gradient-blue);position:relative;box-shadow:0 10px 30px #4a86e866;overflow:hidden;animation:pulse 6s infinite alternate}.sphere:after{content:"";position:absolute;top:-10%;left:-10%;width:120%;height:120%;background:radial-gradient(circle at 30% 30%,#fff6,#fff0 70%)}.wave-container{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;transform-style:preserve-3d;perspective:1000px}.wave{position:absolute;border:2px solid rgba(255,255,255,.3);border-radius:50%;transform:scale(0);animation:wave-animation 4s infinite}.wave:nth-child(1){width:100%;height:100%;animation-delay:0s}.wave:nth-child(2){width:100%;height:100%;animation-delay:1s}.wave:nth-child(3){width:100%;height:100%;animation-delay:2s}.wave:nth-child(4){width:100%;height:100%;animation-delay:3s}.use-cases-section{background-color:var(--white);padding:5rem 0}.use-cases-container{max-width:1200px;margin:0 auto;padding:0 2rem}.use-cases-header{text-align:center;margin-bottom:4rem}.use-cases-title{font-size:2.5rem;font-weight:800;margin-bottom:1rem;background:linear-gradient(90deg,#4a86e8,#2563eb,#1d4ed8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}.use-cases-subtitle{font-size:1.25rem;color:var(--text-gray);max-width:700px;margin:0 auto}.use-cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:3rem;margin-bottom:4rem}.use-case-card{background-color:var(--bg-light);border-radius:var(--radius-lg);padding:2.5rem;transition:all .3s ease;position:relative;border:1px solid var(--border-color)}.use-case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-blue-light)}.use-case-icon{width:60px;height:60px;background:var(--gradient-blue);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}.use-case-icon i{font-size:1.75rem;color:var(--white)}.use-case-title{font-size:1.5rem;font-weight:700;color:var(--text-dark);margin-bottom:1rem}.use-case-description{font-size:1rem;color:var(--text-gray);line-height:1.6;margin-bottom:1.5rem}.use-case-features{list-style:none;padding:0}.use-case-features li{display:flex;align-items:center;margin-bottom:.75rem;font-size:.95rem;color:var(--text-gray)}.use-case-features i{color:#10b981;margin-right:.75rem;font-size:.875rem}.pricing-section{background:linear-gradient(135deg,var(--bg-light) 0%,#e2e8f0 100%);padding:4rem 0;margin-top:auto}.pricing-container{max-width:1300px;margin:0 auto;padding:0 2rem}.pricing-header{text-align:center;margin-bottom:3rem}.pricing-title{font-size:2.5rem;font-weight:800;margin-bottom:1rem;background:linear-gradient(90deg,#4a86e8,#2563eb,#1d4ed8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}.pricing-subtitle{font-size:1.25rem;color:var(--text-gray);max-width:600px;margin:0 auto}.pricing-plans{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}.pricing-card{background:var(--white);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-lg);transition:all .3s ease;position:relative;border:2px solid transparent}.pricing-card.featured{border-color:var(--primary-blue);transform:scale(1.03);background:linear-gradient(135deg,var(--white) 0%,#f0f7ff 100%)}.pricing-card:hover{transform:translateY(-8px);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.pricing-card.featured:hover{transform:scale(1.03) translateY(-8px)}.pricing-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);padding:.5rem 1.25rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;box-shadow:var(--shadow-md);white-space:nowrap}.pricing-badge.free{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.pricing-badge.basic{background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff}.pricing-badge.popular{background:linear-gradient(135deg,var(--primary-blue),var(--primary-blue-dark));color:#fff}.pricing-badge.premium{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.pricing-card-header{text-align:center;margin-bottom:1.5rem;padding-top:.5rem}.pricing-card h3{font-size:1.375rem;font-weight:700;color:var(--text-dark);margin-bottom:.5rem}.pricing-card-description{color:var(--text-gray);font-size:.875rem}.pricing-price{text-align:center;margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.price-amount{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary-blue),var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}.price-period{font-size:1rem;color:var(--text-gray);font-weight:500}.pricing-features{margin-bottom:0}.pricing-features ul{list-style:none;padding:0;margin:0}.pricing-features li{display:flex;align-items:center;margin-bottom:.75rem;color:var(--text-gray);font-size:.9rem}.pricing-features li:last-child{margin-bottom:0}.pricing-features i{margin-right:.75rem;font-size:.875rem;flex-shrink:0;width:16px;text-align:center}.pricing-features li i.fa-check{color:#10b981}.pricing-features li i.fa-times{color:#ef4444}.pricing-features li.feature-disabled{color:var(--text-light);text-decoration:line-through;opacity:.7}.pricing-features .highlight{font-weight:600;color:var(--text-dark)}.footer{background-color:var(--white);border-top:1px solid var(--border-color);padding:3rem 0 2rem}.footer-content{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;flex-direction:column;gap:2rem}.footer-main{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:2rem}.footer-logo{display:flex;align-items:center}.footer-logo img{height:32px;width:auto;margin-right:10px}.footer-logo-text{font-family:Inter,SF Pro Display,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:1.25rem;font-weight:600;background:linear-gradient(135deg,#374151,#1f2937);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.025em}.footer-links{display:flex;gap:2rem;flex-wrap:wrap}.footer-link{color:var(--text-gray);text-decoration:none;font-size:.875rem;transition:color .2s}.footer-link:hover{color:var(--primary-blue)}.footer-divider{height:1px;background-color:var(--border-color);margin:1rem 0}.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-copy{color:var(--text-light);font-size:.875rem}.footer-contact{color:var(--text-gray);font-size:.875rem}@media (max-width: 1200px){.pricing-plans{grid-template-columns:repeat(2,1fr);gap:2rem}.pricing-card.featured{transform:none}.pricing-card.featured:hover{transform:translateY(-8px)}}@media (max-width: 1024px){.main-container{flex-direction:column}.auth-section{width:100%;padding:2rem}.presentation-section{padding:4rem 2rem}.sphere-container{width:250px;height:250px}.main-title{font-size:2.5rem}.subtitle{font-size:1.5rem}.use-cases-grid{grid-template-columns:1fr}}@media (max-width: 768px){.presentation-section{padding:3rem 1.5rem}.sphere-container{width:200px;height:200px;margin-bottom:2rem}.main-title{font-size:2rem}.subtitle{font-size:1.25rem}.description{font-size:1rem}.pricing-section{padding:3rem 0}.pricing-container{padding:0 1rem}.pricing-title{font-size:2rem}.pricing-plans{grid-template-columns:1fr;gap:1.5rem}.price-amount{font-size:2.25rem}.footer-main{flex-direction:column;gap:1.5rem}.footer-bottom{flex-direction:column;text-align:center;gap:1rem}.footer-links{justify-content:center}.nav-icons{gap:.5rem}.nav-icon-link{width:36px;height:36px}.nav-icon-link i{font-size:1rem}}@media (max-width: 480px){.presentation-section{padding:2rem 1rem}.sphere-container{width:160px;height:160px}.main-title{font-size:1.75rem}.auth-tab{padding:.75rem 1rem}.auth-section{padding:1.5rem}.footer-content{padding:0 1rem}.footer-links{gap:1rem}.logo img,.footer-logo img{height:28px}.logo-text{font-size:1.5rem}.footer-logo-text{font-size:1.1rem}.pricing-card{padding:1.5rem}.price-amount{font-size:2rem}.nav-icon-link:after{font-size:.75rem;padding:.375rem .75rem}.navbar{padding:1rem}.use-cases-grid{gap:1.5rem}.use-case-card{padding:2rem}.verification-code-input{font-size:1.5rem!important;letter-spacing:.3rem}}