*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:Arial,sans-serif;background:#07201c;color:#fff;line-height:1.6;}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
ol{margin-left:20px;line-height:1.8;}
ol li{margin-bottom:8px;font-size:15px;}
header{background:#0f4b47;position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px rgba(0,0,0,0.3);}
.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1400px;margin:0 auto;}
.logo-box img{width:49px;height:55px;}
.desktop-navigation{display:flex;align-items:center;flex:1;justify-content:center;}
.nav-list{display:flex;gap:28px;align-items:center;}
.nav-list li{font-size:15px;font-weight:500;}
.nav-list li.active-page{color:#e6b21b;cursor:default;}
.nav-list a{transition:color 0.3s;}
.nav-list a:hover{color:#e6b21b;}
.auth-controls{display:flex;gap:12px;}
.btn-signin,.btn-signup{padding:10px 24px;border-radius:6px;font-weight:600;font-size:14px;transition:all 0.3s;}
.btn-signin{background:transparent;border:1px solid #e6b21b;color:#e6b21b;}
.btn-signin:hover{background:#e6b21b;color:#0f4b47;}
.btn-signup{background:#e6b21b;color:#0f4b47;}
.btn-signup:hover{background:#d4a518;}
.hamburger{display:none;flex-direction:column;background:transparent;border:none;cursor:pointer;}
.hamburger span{width:26px;height:3px;background:#e6b21b;border-radius:2px;transition:all 0.3s;display:block;margin-bottom:4px;}
.hamburger span:last-child{margin-bottom:0;}
.mobile-menu{position:fixed;top:0;right:-100%;width:100%;max-width:400px;height:100vh;background:#0f4b47;padding:20px;transition:right 0.4s;z-index:1100;overflow-y:auto;}
.mobile-menu.active{right:0;}
.close-menu{position:absolute;top:15px;right:20px;background:transparent;border:none;font-size:36px;color:#e6b21b;cursor:pointer;line-height:1;}
.mobile-logo{text-align:center;margin:20px 0 30px;}
.mobile-logo img{margin:0 auto;width:49px;height:55px;}
.mobile-nav-list{margin-bottom:30px;}
.mobile-nav-list li{padding:14px 0;border-bottom:1px solid rgba(230,178,27,0.2);font-size:16px;}
.mobile-nav-list li.active-page{color:#e6b21b;}
.mobile-nav-list a{display:block;transition:color 0.3s;}
.mobile-nav-list a:hover{color:#e6b21b;}
.mobile-auth{display:flex;flex-direction:column;margin-top:20px;}
.mobile-auth .btn-signin{margin-bottom:12px;}
.mobile-auth .btn-signin,.mobile-auth .btn-signup{text-align:center;width:100%;}
.app-intro{background:#0f4b47;padding:60px 20px;position:relative;overflow:hidden;}
.app-intro::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(45deg,transparent,transparent 35px,rgba(230,178,27,0.03) 35px,rgba(230,178,27,0.03) 70px);z-index:1;pointer-events:none;}
.app-layout{display:flex;gap:60px;max-width:1200px;margin:0 auto;align-items:center;position:relative;z-index:2;}
.text-area{flex:1;}
.text-area h1{font-size:44px;margin-bottom:20px;color:#e6b21b;}
.text-area p{font-size:17px;line-height:1.8;margin-bottom:30px;}
.download-options{display:flex;gap:16px;flex-wrap:wrap;}
.download-btn{display:flex;align-items:center;gap:12px;padding:14px 28px;border-radius:8px;font-weight:700;font-size:15px;transition:all 0.3s;}
.android-btn{background:#3ddc84;color:#000;}
.android-btn:hover{background:#34c471;transform:translateY(-2px);box-shadow:0 4px 12px rgba(61,220,132,0.4);}
.ios-btn{background:#007aff;color:#fff;}
.ios-btn:hover{background:#0062cc;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,122,255,0.4);}
.download-btn img{width:32px;height:32px;}
.mockup-area{flex:0 0 280px;}
.mockup-area img{border-radius:20px;box-shadow:0 12px 40px rgba(0,0,0,0.5);}
.app-features,.installation-steps,.app-comparison,.technical-specs,.app-functions,.troubleshooting{padding:60px 20px;max-width:1200px;margin:0 auto;}
.app-features h2,.installation-steps h2,.app-comparison h2,.technical-specs h2,.app-functions h2,.troubleshooting h2{font-size:36px;margin-bottom:20px;color:#e6b21b;}
.app-features p,.installation-steps p,.app-comparison p{margin-bottom:16px;font-size:16px;line-height:1.8;}
.features-display{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px;}
.feature-box{background:linear-gradient(135deg,rgba(21,66,61,0.6),rgba(15,75,71,0.6));padding:28px;border-radius:10px;transition:transform 0.3s,box-shadow 0.3s;}
.feature-box:hover{transform:translateY(-4px);box-shadow:0 6px 20px rgba(230,178,27,0.3);}
.feature-symbol{font-size:42px;margin-bottom:16px;}
.feature-box h3{font-size:20px;color:#e6b21b;margin-bottom:12px;}
.feature-box p{font-size:15px;line-height:1.7;color:#e0e0e0;}
.platform-guides{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:30px;}
.guide-block{background:#15423d;padding:30px;border-radius:10px;}
.guide-block h3{font-size:26px;color:#e6b21b;margin-bottom:16px;}
.guide-block p{font-size:15px;line-height:1.7;margin-bottom:14px;}
.comparison-table-wrap{overflow-x:auto;margin-top:24px;margin-bottom:24px;-webkit-overflow-scrolling:touch;}
.compare-table{width:100%;border-collapse:collapse;background:#15423d;border-radius:8px;overflow:hidden;}
.compare-table thead{background:#0f4b47;}
.compare-table th{padding:16px;text-align:left;font-size:16px;color:#e6b21b;font-weight:700;}
.compare-table td{padding:14px 16px;font-size:15px;border-bottom:1px solid rgba(230,178,27,0.1);}
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody tr:hover{background:rgba(230,178,27,0.05);}
.specs-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:30px;}
.spec-card{background:#15423d;padding:30px;border-radius:10px;}
.spec-card h3{font-size:24px;color:#e6b21b;margin-bottom:20px;}
.spec-card ul{margin-left:20px;margin-bottom:20px;}
.spec-card ul li{margin-bottom:10px;font-size:15px;line-height:1.7;}
.spec-card p{font-size:15px;line-height:1.7;color:#d0d0d0;}
.functions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px;}
.function-item{background:#15423d;padding:24px;border-radius:10px;}
.function-item h3{font-size:19px;color:#e6b21b;margin-bottom:12px;}
.function-item p{font-size:15px;line-height:1.7;}
.issue-list{margin-top:30px;}
.issue-item{background:#15423d;padding:28px;border-radius:10px;margin-bottom:20px;}
.issue-item h3{font-size:21px;color:#e6b21b;margin-bottom:14px;}
.issue-item p{font-size:15px;line-height:1.8;}
.centered-cta{text-align:center;margin-top:40px;}
.cta-btn{display:inline-block;padding:14px 32px;border-radius:8px;font-weight:700;font-size:16px;transition:all 0.3s;text-align:center;background:#e6b21b;color:#0f4b47;}
.cta-btn:hover{background:#d4a518;transform:translateY(-2px);box-shadow:0 4px 12px rgba(230,178,27,0.4);}
footer{background:#15423d;padding:50px 20px 20px;color:#b0b0b0;}
.footer-wrap{max-width:1200px;margin:0 auto;}
.footer-navigation{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;margin-bottom:40px;}
.nav-column h4{color:#e6b21b;font-size:18px;margin-bottom:16px;}
.nav-column ul li{margin-bottom:10px;font-size:14px;}
.nav-column a{transition:color 0.3s;}
.nav-column a:hover{color:#e6b21b;}
.partners-block{margin-bottom:30px;}
.partners-block h4{color:#e6b21b;font-size:18px;margin-bottom:16px;text-align:center;}
.partners-scroll{display:flex;gap:20px;flex-wrap:wrap;align-items:center;justify-content:center;}
.partners-scroll img{opacity:0.7;transition:opacity 0.3s;}
.partners-scroll img:hover{opacity:1;}
.trust-badges{display:flex;gap:16px;justify-content:center;margin-bottom:30px;}
.license-text{background:rgba(7,32,28,0.5);padding:20px;border-radius:8px;margin-bottom:20px;}
.license-text p{font-size:13px;line-height:1.6;color:#b0b0b0;}
.copyright-line{text-align:center;padding-top:20px;border-top:1px solid rgba(230,178,27,0.2);}
.copyright-line p{font-size:13px;}
@media (max-width:1080px){
.hamburger{display:flex;}
.desktop-navigation,.auth-controls{display:none;}
.app-layout{flex-direction:column;gap:30px;}
.text-area{order:1;}
.mockup-area{order:2;flex:0 0 auto;}
.text-area h1{font-size:36px;}
.features-display{grid-template-columns:repeat(2,1fr);}
.platform-guides{grid-template-columns:1fr;}
.specs-layout{grid-template-columns:1fr;}
.functions-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
.features-display{grid-template-columns:1fr;}
.download-options{flex-direction:column;}
.download-btn{justify-content:center;}
.functions-grid{grid-template-columns:1fr;}
.footer-navigation{grid-template-columns:1fr;}
}
@media (max-width:480px){
.top-bar{padding:10px 15px;}
.logo-box img{width:42px;height:47px;}
.app-intro{padding:40px 15px;}
.text-area h1{font-size:28px;}
.text-area p{font-size:15px;}
.app-features,.installation-steps,.app-comparison,.technical-specs,.app-functions,.troubleshooting{padding:40px 15px;}
.app-features h2,.installation-steps h2,.app-comparison h2,.technical-specs h2,.app-functions h2,.troubleshooting h2{font-size:26px;}
.compare-table{font-size:13px;}
.compare-table th,.compare-table td{padding:10px 8px;}
}
@media (max-width:320px){
.mobile-menu{max-width:100%;}
.text-area h1{font-size:24px;}
.text-area p{font-size:14px;}
.cta-btn{padding:12px 24px;font-size:14px;}
.app-features h2,.installation-steps h2,.app-comparison h2,.technical-specs h2,.app-functions h2,.troubleshooting h2{font-size:22px;}
}