* {
     margin: 0;
     padding: 0;
     box-sizing: border-box;
 }

 :root {
     --telegram-blue: #0088cc;
     --deep-navy: #0f172a;
     --accent-blue: #3b82f6;
     --accent-purple: #8b5cf6;
     --text-light: #f8fafc;
     --text-muted: #94a3b8;
     --card-bg: #1e293b;
 }

 body {
     font-family: 'Inter', sans-serif;
     background: var(--deep-navy);
     color: var(--text-light);
     line-height: 1.6;
 }

 .container {
     max-width: 1200px;
     margin: 0 auto;
     padding: 0 20px;
 }

 /* Navigation */
 nav {
     padding: 20px 0;
     position: fixed;
     width: 100%;
     min-height: 40px;
     top: 0;
     background: rgba(15, 23, 42, 0.95);
     backdrop-filter: blur(10px);
     z-index: 1000;
 }

 .nav-content {
     display: flex;
     justify-content: space-between;
     align-items: center;
 }

 .logo {
     font-size: 1.5rem;
     font-weight: 700;
     color: var(--text-light);
     text-decoration: none;
 }

 .fly-btn {
     position: fixed;
     left: 50%;
     transform: translateX(-50%);
     bottom: 100px;
     animation: pulse 2s infinite;
     box-shadow: 0 10px 30px rgba(59, 130, 246, 0.6);
 }

 .nav-links {
     display: flex;
     gap: 30px;
     list-style: none;
 }

 .lang-switcher {
     display: flex;
     gap: 6px;
     align-items: center;
 }

 .lang-btn {
     color: var(--text-muted);
     text-decoration: none;
     font-size: 0.8rem;
     font-weight: 600;
     padding: 4px 9px;
     border-radius: 6px;
     border: 1px solid transparent;
     transition: color 0.2s, border-color 0.2s, background 0.2s;
 }

 .lang-btn:hover {
     color: var(--text-light);
     border-color: var(--text-muted);
 }

 .lang-btn.active {
     color: var(--text-light);
     border-color: var(--accent-blue);
     background: rgba(59, 130, 246, 0.15);
 }

 .nav-links a {
     color: var(--text-muted);
     text-decoration: none;
     transition: color 0.3s;
 }

 .nav-links a:hover {
     color: var(--telegram-blue);
 }

 /* Hero Section */
 .hero {
     padding: 160px 0 100px;
     background: linear-gradient(135deg, var(--deep-navy) 0%, #1e293b 100%);
     position: relative;
     overflow: hidden;
 }

 .hero-content {
     display: grid;
     grid-template-columns: 2fr 1fr;
     align-items: center;
 }

 .hero-text h1 {
     font-size: 3.5rem;
     font-weight: 700;
     line-height: 1.2;
     margin-bottom: 20px;
 }

 .hero-text p {
     font-size: 1.25rem;
     color: var(--text-muted);
     margin-bottom: 40px;
 }

 .cta-buttons {
     display: flex;
     gap: 20px;
     margin-bottom: 30px;
 }

 .btn {
     padding: 15px 40px;
     border-radius: 50px;
     font-size: 1.1rem;
     line-height: 1.5rem;
     font-weight: 600;
     cursor: pointer;
     transition: all 0.3s;
     text-decoration: none;
     display: inline-flex;
     align-items: center;
     justify-content: center;
     transition: transform 0.3s, box-shadow 0.3s;
 }

 .btn-primary {
     font-size: 1.5rem;
     padding: 25px 40px;
     background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
     color: white;
     border: none;
     z-index: 7;
     box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
 }

 .play-btn-active {
     transform: translateY(-2px);
     box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
 }

 .play-btn {
     min-width: 160px;
 }

 .btn-secondary {
     background: transparent;
     color: var(--text-light);
     padding: 15px 40px;
     min-width: 230px;
     border: 2px solid var(--text-muted);
 }

 .btn-secondary:hover {
     border-color: var(--telegram-blue);
     color: var(--telegram-blue);
 }

 .trust-badges {
     display: flex;
     gap: 20px;
     flex-wrap: wrap;
 }

 .badge {
     display: flex;
     align-items: center;
     gap: 8px;
     color: var(--text-muted);
     font-size: 0.9rem;
 }

 .badge svg {
     width: 20px;
     height: 20px;
     fill: var(--telegram-blue);
 }

 /* How It Works */
 .how-it-works {
     padding: 100px 0;
     background: var(--deep-navy);
 }

 .section-title {
     text-align: center;
     font-size: 2.5rem;
     font-weight: 700;
     margin-bottom: 60px;
 }

 .steps-grid {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     gap: 40px;
 }

 .step-card {
     background: var(--card-bg);
     padding: 40px;
     border-radius: 20px;
     text-align: center;
     transition: transform 0.3s;
 }

 .step-card:hover {
     transform: translateY(-10px);
 }

 .step-number {
     width: 60px;
     height: 60px;
     background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.5rem;
     font-weight: 700;
     margin: 0 auto 20px;
 }

 .step-card h3 {
     font-size: 1.5rem;
     margin-bottom: 15px;
 }

 .step-card p {
     color: var(--text-muted);
 }

 /* Features */
 .features {
     padding: 100px 0;
     background: #1e293b;
 }

 .features-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 30px;
 }

 .feature-card {
     background: var(--deep-navy);
     padding: 40px;
     border-radius: 20px;
     transition: transform 0.3s;
 }

 .feature-card:hover {
     transform: translateY(-5px);
 }

 .feature-icon {
     font-size: 2.5rem;
     margin-bottom: 20px;
 }

 .feature-card h3 {
     font-size: 1.3rem;
     margin-bottom: 15px;
 }

 .feature-card p {
     color: var(--text-muted);
 }

 .example-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.35);
    color: var(--accent-blue);
    cursor: pointer;
    margin-top: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 20px;
    transition: background 0.2s, border-color 0.2s;
 }

 .example-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--accent-blue);
 }

 /* FAQ */
 .faq {
     padding: 0 0 100px;
     background: #1e293b;
 }

 .faq-item {
     background: var(--deep-navy);
     margin-bottom: 20px;
     border-radius: 15px;
     overflow: hidden;
 }

 .faq-question {
     padding: 25px 30px;
     cursor: pointer;
     display: flex;
     justify-content: space-between;
     align-items: center;
     font-weight: 600;
     font-size: 1.1rem;
 }

 .faq-answer {
     padding: 0 30px 25px;
     color: var(--text-muted);
     display: none;
 }

 .faq-item.active .faq-answer {
     display: block;
 }

 /* Final CTA */
 .final-cta {
     padding: 100px 0;
     background: linear-gradient(135deg, var(--deep-navy) 0%, #1e293b 100%);
     text-align: center;
 }

 .final-cta h2 {
     font-size: 2.5rem;
     margin-bottom: 20px;
 }

 .final-cta p {
     font-size: 1.2rem;
     color: var(--text-muted);
     margin-bottom: 40px;
 }

 /* Footer */
 footer {
     background: var(--deep-navy);
     padding: 60px 0 30px;
     border-top: 1px solid var(--card-bg);
 }

 .footer-content {
     display: grid;
     grid-template-columns: 2fr 1fr 1fr;
     gap: 40px;
     margin-bottom: 40px;
 }

 .footer-brand p {
     color: var(--text-muted);
     margin-top: 15px;
 }

 .footer-links h4 {
     margin-bottom: 20px;
     font-size: 1.1rem;
 }

 .footer-links ul {
     list-style: none;
 }

 .footer-links li {
     margin-bottom: 10px;
 }

 .footer-links a {
     color: var(--text-muted);
     text-decoration: none;
     transition: color 0.3s;
 }

 .footer-links a:hover {
     color: var(--telegram-blue);
 }

 .footer-bottom {
     text-align: center;
     padding-top: 30px;
     border-top: 1px solid var(--card-bg);
     color: var(--text-muted);
     font-size: 0.9rem;
 }

 /* Responsive */
 @media (max-width: 768px) {
     .btn {
         padding: 10px 20px;
         font-size: 1rem;
     }

     .fly-btn {
         padding: 20px 40px;
         font-size: 1.5rem;
         line-height: 3rem;
         white-space: nowrap;
         bottom: 40px;
     }

     .section-title,
     .final-cta h2 {
         font-size: 1.8rem;
         margin-bottom: 30px;
     }

     .step-card {
         padding: 20px;
     }

     .hero {
         padding: 100px 0 40px;
     }

     .hero-content {
         grid-template-columns: 1fr;
         text-align: center;
     }

     .play-btn {
         width: 45%;
         min-width: auto;
     }

     .hero-text h1 {
         font-size: 1.8rem;
     }

     .hero-text p {
         font-size: 1rem;
         margin-bottom: 20px;
     }

     .how-it-works,
     .features,
     .faq,
     .final-cta {
         padding: 40px 0;
     }

     .final-cta p {
         margin-bottom: 0;
     }

     .cta-buttons {
         justify-content: space-evenly;
         flex-direction: column;
         padding: 0;
         gap: 20px;
     }

     .trust-badges {
         justify-content: center;
     }

     .steps-grid {
         grid-template-columns: 1fr;
     }

     .features-grid {
         grid-template-columns: 1fr;
     }

     .footer-content {
         grid-template-columns: 1fr;
         text-align: center;
     }

     .nav-links {
         display: none;
     }
 }

 @keyframes pulse {

     0%,
     100% {
         transform: translateX(-50%) scale(1);
         box-shadow: 0 10px 50px rgba(59, 130, 246, 1);

     }

     50% {
         transform: translateX(-50%) scale(1.05);
         box-shadow: 0 10px 60px rgb(59, 103, 246);
     }
 }