:root{--primary:#2563eb;--primary-dark:#1e40af;--dark:#0f172a;--gray:#64748b;--bg:#f8fafc;--success:#10b981}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--dark)}html{scroll-behavior:smooth}header{background:linear-gradient(135deg,#1e40af,#2563eb 50%,#3b82f6);color:#fff;padding:80px 20px 90px;text-align:center;position:relative;overflow:hidden}header:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,hsla(0,0%,100%,.1) 0,transparent 60%);animation:shimmer 15s linear infinite}@keyframes shimmer{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}header h1{font-size:44px;margin-bottom:8px;position:relative}header .subtitle{font-size:20px;opacity:.95;margin-bottom:18px}header p.desc{font-size:17px;max-width:700px;margin:0 auto 30px;opacity:.9;line-height:1.6}.download-btn{background:#fff;color:var(--primary);padding:18px 32px;font-size:17px;font-weight:700;border-radius:14px;text-decoration:none;display:inline-flex;align-items:center;gap:10px;transition:transform .2s ease,box-shadow .2s ease;position:relative}.download-btn:hover{transform:translateY(-3px);box-shadow:0 15px 35px rgba(0,0,0,.2)}.download-btn svg{width:22px;height:22px}.apk-meta{margin-top:20px;display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.apk-badge{background:hsla(0,0%,100%,.15);padding:8px 16px;border-radius:20px;font-size:13px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.apk-note{margin-top:18px;font-size:14px;opacity:.85;line-height:1.7}.ios-note{margin-top:14px;font-size:14px;opacity:.8}.store-buttons{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:10px}.ios-btn{background:#000;color:#fff;padding:16px 28px;font-size:16px;font-weight:600;border-radius:14px;text-decoration:none;display:inline-flex;align-items:center;gap:10px;transition:transform .2s ease,box-shadow .2s ease}.ios-btn:hover{transform:translateY(-3px);box-shadow:0 15px 35px rgba(0,0,0,.25)}.ios-btn svg{width:22px;height:22px}section{max-width:1100px;margin:70px auto;padding:0 20px}section h2{font-size:30px;margin-bottom:12px;text-align:center}section .section-subtitle{text-align:center;color:var(--gray);margin-bottom:30px;font-size:16px}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:24px;gap:24px}.feature-card{background:#fff;padding:28px;border-radius:18px;box-shadow:0 8px 30px rgba(0,0,0,.06);transition:transform .2s ease,box-shadow .2s ease;border:1px solid rgba(0,0,0,.04)}.feature-card:hover{transform:translateY(-6px);box-shadow:0 18px 45px rgba(0,0,0,.1)}.feature-icon{font-size:36px;margin-bottom:14px}.feature-card h3{margin-top:0;margin-bottom:10px;font-size:19px;color:var(--dark)}.feature-card p{color:var(--gray);line-height:1.65;margin:0;font-size:15px}.install-section{background:#fff;border-radius:20px;padding:40px;box-shadow:0 10px 40px rgba(0,0,0,.06)}.install-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:30px;gap:30px;margin-top:30px}.step{text-align:center;padding:20px}.step-number{width:50px;height:50px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin:0 auto 16px}.step h4{margin:0 0 8px;font-size:17px}.step p{color:var(--gray);margin:0;font-size:14px;line-height:1.5}.info{display:grid;grid-template-columns:1fr 1fr;grid-gap:40px;gap:40px;align-items:stretch}.info-card{background:#fff;padding:35px;border-radius:18px;box-shadow:0 8px 30px rgba(0,0,0,.06)}.info-card h2{text-align:left;font-size:24px;margin-top:0}.info-card p{color:var(--gray);line-height:1.75;margin:0;font-size:15px}footer{background:linear-gradient(180deg,#020617,#0f172a);color:#94a3b8;padding:50px 20px;text-align:center;font-size:14px}footer a{color:#60a5fa;text-decoration:none}footer a:hover{text-decoration:underline}.footer-brand{font-size:18px;color:#fff;margin-bottom:10px;font-weight:600}.footer-links{margin:20px 0}.footer-links a{margin:0 15px}@media (max-width:768px){header{padding:60px 20px 70px}header h1{font-size:32px}header .subtitle{font-size:17px}section h2{font-size:24px}.info{grid-template-columns:1fr;gap:24px}.install-section{padding:30px 20px}.apk-meta{flex-direction:column;align-items:center;gap:10px}}