/* /css/app.css */
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:Arial,sans-serif;background:#262626;color:#ffffff;line-height:1.6;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;height:auto;display:block;}
header{background:#2b2b2b;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,0.3);}
.top-navigation{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;max-width:1400px;margin:0 auto;}
.brand-mark img{width:180px;height:27px;}
.desktop-links{display:flex;gap:30px;}
.desktop-links a,.desktop-links .current-page{color:#ffffff;font-weight:500;font-size:15px;transition:color 0.3s;}
.desktop-links a:hover{color:#940000;}
.desktop-links .current-page{color:#cccccc;cursor:default;}
.account-actions{display:flex;gap:15px;}
.register-btn,.login-btn{padding:10px 24px;border-radius:5px;font-weight:600;transition:all 0.3s;}
.register-btn{background:#940000;color:#ffffff;}
.register-btn:hover{background:#b30000;}
.login-btn{background:transparent;border:2px solid #940000;color:#940000;}
.login-btn:hover{background:#940000;color:#ffffff;}
.menu-toggle{display:none;background:none;border:none;flex-direction:column;cursor:pointer;}
.menu-toggle span{width:25px;height:3px;background:#ffffff;display:block;margin:4px 0;transition:all 0.3s;}
.slide-menu{display:none;position:fixed;top:0;right:-100%;width:100%;height:100vh;background:#2b2b2b;transition:right 0.3s;flex-direction:column;padding:20px;z-index:2000;}
.slide-menu.active{right:0;}
.menu-close{position:absolute;top:20px;right:20px;background:none;border:none;color:#ffffff;font-size:40px;cursor:pointer;line-height:1;}
.slide-brand{margin:60px 0 30px;text-align:center;}
.slide-brand img{margin:0 auto;}
.slide-links{display:flex;flex-direction:column;margin-bottom:30px;}
.slide-links a,.slide-links .current-page{color:#ffffff;font-size:18px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.1);}
.slide-links .current-page{color:#cccccc;}
.slide-actions{display:flex;flex-direction:column;}
.slide-actions .register-btn{margin-bottom:15px;}
main{max-width:1400px;margin:0 auto;padding:0 10px;}
.app-introduction{background:linear-gradient(135deg,#1a1a1a 0%,#2d2d2d 100%);padding:60px 20px;margin-top:20px;position:relative;overflow:hidden;}
.app-introduction::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(45deg,transparent,transparent 35px,rgba(148,0,0,0.03) 35px,rgba(148,0,0,0.03) 70px);pointer-events:none;}
.split-view{display:flex;align-items:center;justify-content:space-between;max-width:1300px;margin:0 auto;gap:60px;position:relative;z-index:1;}
.text-column{flex:1;}
.text-column h1{font-size:48px;margin-bottom:20px;color:#ffffff;}
.text-column p{font-size:18px;line-height:1.7;margin-bottom:30px;color:#e0e0e0;}
.download-options{display:flex;gap:20px;}
.primary-action,.alternate-action{padding:15px 35px;border-radius:6px;font-weight:600;font-size:16px;transition:all 0.3s;display:inline-block;}
.primary-action{background:#940000;color:#ffffff;}
.primary-action:hover{background:#b30000;transform:translateY(-2px);}
.alternate-action{background:transparent;border:2px solid #940000;color:#940000;}
.alternate-action:hover{background:#940000;color:#ffffff;}
.mockup-column{flex:0 0 250px;}
.mockup-column img{box-shadow:0 20px 50px rgba(0,0,0,0.6);border-radius:15px;}
section{padding:60px 20px;}
h2{font-size:36px;margin-bottom:25px;color:#ffffff;}
h3{font-size:24px;margin-bottom:15px;color:#ffffff;}
h4{font-size:20px;margin-bottom:10px;color:#ffffff;}
p{margin-bottom:15px;color:#d0d0d0;font-size:16px;}
.comparison-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:30px 0;}
.platform-table{width:100%;border-collapse:collapse;background:#1f1f1f;border-radius:8px;overflow:hidden;}
.platform-table thead{background:#940000;}
.platform-table th{padding:15px;text-align:left;font-weight:600;color:#ffffff;}
.platform-table td{padding:12px 15px;border-bottom:1px solid #3a3a3a;color:#d0d0d0;}
.platform-table tbody tr:last-child td{border-bottom:none;}
.platform-table tbody tr:hover{background:#2a2a2a;}
.install-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:30px;}
.install-card{background:#1f1f1f;padding:30px;border-radius:8px;border:2px solid #3a3a3a;}
.install-card h3{color:#940000;margin-bottom:20px;}
.install-card ol{margin-left:20px;margin-bottom:15px;}
.install-card li{margin-bottom:12px;color:#d0d0d0;}
.centered-cta{text-align:center;margin-top:40px;}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:30px;}
.feature-box{background:#1f1f1f;padding:30px;border-radius:8px;border:2px solid #3a3a3a;transition:all 0.3s;}
.feature-box:hover{border-color:#940000;transform:translateY(-5px);}
.feature-box h3{color:#940000;margin-bottom:15px;}
.metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:30px;}
.metric-card{background:#1f1f1f;padding:30px;border-radius:8px;border:2px solid #3a3a3a;}
.metric-card h3{color:#940000;margin-bottom:15px;}
.benefits-layout{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:30px;}
.benefit-item{background:#1f1f1f;padding:30px;border-radius:8px;border:2px solid #3a3a3a;transition:all 0.3s;}
.benefit-item:hover{border-color:#940000;transform:translateY(-5px);}
.benefit-item h3{color:#940000;margin-bottom:15px;}
.issue-solutions{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:30px;}
.issue-box{background:#1f1f1f;padding:30px;border-radius:8px;border:2px solid #3a3a3a;}
.issue-box h3{color:#940000;margin-bottom:15px;}
.comparison-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:30px;}
.comparison-item{background:#1f1f1f;padding:30px;border-radius:8px;border:2px solid #3a3a3a;}
.comparison-item h3{color:#940000;margin-bottom:15px;}
footer{background:#2b2b2b;padding:50px 20px 20px;margin-top:50px;}
.bottom-area{max-width:1400px;margin:0 auto;text-align:center;}
.link-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;margin-bottom:40px;text-align:left;max-width:800px;margin-left:auto;margin-right:auto;}
.link-set h4{color:#940000;margin-bottom:20px;font-size:18px;}
.link-set a{display:block;color:#d0d0d0;margin-bottom:12px;font-size:15px;transition:color 0.3s;}
.link-set a:hover{color:#940000;}
.payment-strip,.provider-strip{margin-bottom:40px;}
.payment-strip h4,.provider-strip h4{color:#940000;margin-bottom:20px;font-size:18px;}
.icon-row{display:flex;gap:20px;flex-wrap:wrap;align-items:center;justify-content:center;}
.icon-row img{opacity:0.7;transition:opacity 0.3s;}
.icon-row img:hover{opacity:1;}
.responsibility-badges{margin-bottom:30px;display:flex;gap:20px;align-items:center;justify-content:center;}
.legal-text{background:#1f1f1f;padding:25px;border-radius:8px;margin-bottom:30px;border:1px solid #3a3a3a;max-width:1000px;margin-left:auto;margin-right:auto;}
.legal-text p{font-size:13px;color:#aaa;line-height:1.8;margin:0;}
.copyright-line{padding-top:20px;border-top:1px solid #3a3a3a;}
.copyright-line p{font-size:14px;color:#888;margin:0;}
@media(max-width:1080px){
.desktop-links,.account-actions{display:none;}
.menu-toggle{display:flex;}
.slide-menu{display:flex;}
.split-view{flex-direction:column;text-align:center;}
.text-column h1{font-size:36px;}
.download-options{flex-direction:column;align-items:center;}
.mockup-column{flex:0 0 auto;}
.install-cards{grid-template-columns:1fr;}
.feature-grid{grid-template-columns:1fr;}
.metrics-grid{grid-template-columns:1fr;}
.benefits-layout{grid-template-columns:1fr;}
.issue-solutions{grid-template-columns:1fr;}
.comparison-grid{grid-template-columns:1fr;}
.link-groups{grid-template-columns:1fr;}
}
@media(max-width:768px){
.text-column h1{font-size:28px;}
.text-column p{font-size:16px;}
h2{font-size:28px;}
h3{font-size:20px;}
.platform-table{font-size:14px;}
.platform-table th,.platform-table td{padding:10px;}
}
@media(max-width:480px){
.top-navigation{padding:12px 15px;}
.brand-mark img{width:140px;height:21px;}
.text-column h1{font-size:24px;}
.text-column p{font-size:15px;}
h2{font-size:24px;}
h3{font-size:18px;}
p{font-size:15px;}
.primary-action,.alternate-action{padding:12px 25px;font-size:15px;}
.platform-table{font-size:13px;}
.platform-table th,.platform-table td{padding:8px;}
}
@media(max-width:320px){
.brand-mark img{width:120px;height:18px;}
.slide-menu{width:100%;}
.text-column h1{font-size:22px;}
h2{font-size:22px;}
p{font-size:14px;}
.platform-table{font-size:12px;}
}