*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#333;background:#f8f9fa;}
.main-header{background:#630160;color:white;position:sticky;top:0;z-index:1000;box-shadow:0 2px 5px rgba(0,0,0,0.1);}
.header-container{display:flex;align-items:center;justify-content:space-between;padding:10px;max-width:1200px;margin:0 auto;}
.logo-container img{width:160px;height:31px;object-fit:contain;}
.desktop-nav{display:flex;gap:30px;}
.desktop-nav a,.desktop-nav span{color:white;text-decoration:none;font-weight:500;transition:opacity 0.3s;}
.desktop-nav span{opacity:1;font-weight:600;}
.desktop-nav a:hover{opacity:0.8;}
.auth-buttons{display:flex;gap:15px;}
.signup-btn,.signin-btn{padding:8px 20px;border-radius:5px;text-decoration:none;font-weight:600;transition:all 0.3s;}
.signup-btn{background:#ff6b35;color:white;}
.signin-btn{border:2px solid white;color:white;background:transparent;}
.signup-btn:hover{background:#e55a2b;}
.signin-btn:hover{background:white;color:#630160;}
.hamburger-menu{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;}
.hamburger-menu span{width:25px;height:3px;background:white;transition:0.3s;}
.mobile-menu{display:none;background:#630160;padding:20px;position:absolute;top:100%;left:0;right:0;border-top:1px solid rgba(255,255,255,0.2);}
.mobile-menu nav{display:flex;flex-direction:column;gap:15px;margin-bottom:20px;}
.mobile-menu nav a,.mobile-menu nav span{color:white;text-decoration:none;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.1);}
.mobile-menu nav span{font-weight:600;}
.mobile-auth{display:flex;gap:15px;}
.app-hero{background:linear-gradient(135deg,#630160 0%,#8b0369 100%);color:white;padding:80px 10px;text-align:center;position:relative;overflow:hidden;}
.app-hero::before{content:'📱';position:absolute;font-size:8rem;opacity:0.1;top:20%;left:10%;animation:floatRight 22s linear infinite;}
.app-hero::after{content:'⚡';position:absolute;font-size:6rem;opacity:0.12;top:60%;right:15%;animation:floatLeft 18s linear infinite;}
@keyframes floatRight{0%{transform:translateX(0) rotate(0deg);}100%{transform:translateX(300px) rotate(360deg);}}
@keyframes floatLeft{0%{transform:translateX(0) rotate(0deg);}100%{transform:translateX(-250px) rotate(-360deg);}}
.hero-content{max-width:800px;margin:0 auto;position:relative;z-index:2;}
.hero-content h1{font-size:3rem;margin-bottom:20px;font-weight:700;}
.hero-description{font-size:1.2rem;margin-bottom:40px;opacity:0.9;}
.download-buttons{display:flex;gap:20px;justify-content:center;}
.download-android,.download-ios{display:flex;align-items:center;gap:10px;padding:15px 25px;border-radius:8px;text-decoration:none;font-weight:600;transition:all 0.3s;background:rgba(255,255,255,0.1);border:2px solid rgba(255,255,255,0.3);color:white;}
.download-android:hover,.download-ios:hover{background:rgba(255,255,255,0.2);transform:translateY(-2px);}
.app-overview,.download-guide,.ios-guide,.app-features,.performance-section,.mobile-payments,.troubleshooting,.app-evolution,.security-section,.future-updates,.getting-started{padding:60px 10px;max-width:1200px;margin:0 auto;}
.app-overview h2,.download-guide h2,.ios-guide h2,.app-features h2,.performance-section h2,.mobile-payments h2,.troubleshooting h2,.app-evolution h2,.security-section h2,.future-updates h2,.getting-started h2{color:#630160;font-size:2.2rem;margin-bottom:20px;text-align:center;}
.app-overview p,.download-guide p,.ios-guide p,.app-features p,.performance-section p,.mobile-payments p,.troubleshooting p,.app-evolution p,.security-section p,.future-updates p,.getting-started p{margin-bottom:20px;font-size:1.1rem;line-height:1.7;}
.comparison-table{background:white;border-radius:10px;overflow:hidden;box-shadow:0 4px 6px rgba(0,0,0,0.1);margin:30px 0;}
.comparison-header{display:grid;grid-template-columns:2fr 1fr 1fr;background:#630160;color:white;font-weight:600;}
.comparison-header div{padding:15px;text-align:center;}
.comparison-row{display:grid;grid-template-columns:2fr 1fr 1fr;border-bottom:1px solid #eee;}
.comparison-row:last-child{border-bottom:none;}
.comparison-row div{padding:12px;text-align:center;}
.feature-name{font-weight:500;text-align:left!important;background:#f8f9fa;}
.app-value{color:#630160;font-weight:600;}
.browser-value{color:#666;}
.download-steps{margin:40px 0;}
.step-android{display:flex;align-items:flex-start;gap:20px;margin-bottom:30px;background:white;padding:25px;border-radius:10px;box-shadow:0 2px 4px rgba(0,0,0,0.1);}
.step-number{background:#630160;color:white;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:bold;flex-shrink:0;}
.step-content h3{color:#630160;margin-bottom:10px;}
.ios-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin:30px 0;}
.ios-method{background:white;padding:25px;border-radius:10px;box-shadow:0 2px 4px rgba(0,0,0,0.1);transition:transform 0.3s;}
.ios-method:hover{transform:translateY(-3px);}
.ios-method h3{color:#630160;margin-bottom:15px;}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin:40px 0;}
.feature-card{background:white;padding:30px;border-radius:10px;text-align:center;box-shadow:0 4px 6px rgba(0,0,0,0.1);transition:transform 0.3s;}
.feature-card:hover{transform:translateY(-5px);}
.feature-icon{font-size:3rem;margin-bottom:15px;}
.feature-card h3{color:#630160;margin-bottom:15px;font-size:1.3rem;}
.network-performance{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin:30px 0;}
.network-card{background:white;padding:25px;border-radius:10px;box-shadow:0 2px 4px rgba(0,0,0,0.1);transition:transform 0.3s;}
.network-card:hover{transform:translateY(-3px);}
.network-card h3{color:#630160;margin-bottom:15px;}
.payment-speed{margin:30px 0;}
.speed-comparison{background:white;padding:20px;border-radius:10px;margin-bottom:20px;box-shadow:0 2px 4px rgba(0,0,0,0.1);}
.speed-comparison h3{color:#630160;margin-bottom:15px;text-align:center;}
.time-bar{display:flex;flex-direction:column;gap:10px;}
.app-time,.browser-time{padding:10px 15px;border-radius:5px;font-weight:500;}
.app-time{background:#e8f5e8;color:#2d7a2d;border-left:4px solid #4caf50;}
.browser-time{background:#fff3e0;color:#e65100;border-left:4px solid #ff9800;}
.troubleshoot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px;margin:30px 0;}
.issue-card{background:white;padding:25px;border-radius:10px;box-shadow:0 2px 4px rgba(0,0,0,0.1);transition:transform 0.3s;}
.issue-card:hover{transform:translateY(-3px);}
.issue-card h3{color:#630160;margin-bottom:15px;}
.issue-card strong{color:#630160;}
.main-footer{background:#2c2c2c;color:white;padding:50px 10px 20px;}
.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;}
.footer-section h4{color:#ff6b35;margin-bottom:20px;font-size:1.2rem;}
.footer-section ul{list-style:none;}
.footer-section li{margin-bottom:10px;}
.footer-section a{color:#ccc;text-decoration:none;transition:color 0.3s;}
.footer-section a:hover{color:white;}
.payment-icons,.provider-logos{display:flex;flex-wrap:wrap;gap:15px;align-items:center;}
.payment-icons img,.provider-logos img{filter:brightness(0.8);transition:filter 0.3s;}
.payment-icons img:hover,.provider-logos img:hover{filter:brightness(1);}
.footer-bottom{border-top:1px solid #444;margin-top:30px;padding-top:20px;text-align:center;color:#999;}
.footer-bottom p{margin-bottom:5px;}
@media (max-width:1080px){
.desktop-nav,.auth-buttons{display:none;}
.hamburger-menu{display:flex;}
.mobile-menu.active{display:block;}
.hero-content h1{font-size:2.2rem;}
.download-buttons{flex-direction:column;align-items:center;}
.feature-grid,.network-performance,.troubleshoot-grid{grid-template-columns:1fr;}
.ios-steps{grid-template-columns:1fr;}
.comparison-table{font-size:0.9rem;}
}
@media (max-width:768px){
.hero-content h1{font-size:1.8rem;}
.app-overview h2,.download-guide h2,.ios-guide h2,.app-features h2,.performance-section h2,.mobile-payments h2,.troubleshooting h2,.app-evolution h2,.security-section h2,.future-updates h2,.getting-started h2{font-size:1.8rem;}
.step-android{flex-direction:column;text-align:center;}
.step-number{align-self:center;}
.comparison-header{font-size:0.8rem;}
.comparison-row{font-size:0.85rem;}
.time-bar{align-items:stretch;}
}
@media (max-width:480px){
.app-hero{padding:50px 10px;}
.hero-content h1{font-size:1.5rem;}
.hero-description{font-size:1rem;}
.download-android,.download-ios{padding:12px 20px;font-size:0.9rem;}
.app-overview,.download-guide,.ios-guide,.app-features,.performance-section,.mobile-payments,.troubleshooting,.app-evolution,.security-section,.future-updates,.getting-started{padding:40px 10px;}
.feature-card,.network-card,.issue-card,.ios-method{padding:20px;}
.comparison-table{overflow-x:auto;}
.speed-comparison{padding:15px;}
}
@media (max-width:320px){
.header-container{padding:8px;}
.logo-container img{width:140px;height:27px;}
.hero-content h1{font-size:1.3rem;}
.download-android,.download-ios{padding:10px 15px;font-size:0.8rem;}
.comparison-header,.comparison-row{font-size:0.75rem;}
.comparison-header div,.comparison-row div{padding:8px;}
}