*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#fff;--bg-alt:#f5f5f7;--text:#1d1d1f;--text-secondary:#6e6e73;--accent:#e8792b;--border:#e5e5e7;--radius:16px;--input-bg:#fff;--input-border:#d2d2d7}@media (prefers-color-scheme:dark){:root{--bg:#111;--bg-alt:#1a1a1a;--text:#f5f5f7;--text-secondary:#a1a1a6;--accent:#f09440;--border:#2a2a2a;--input-bg:#1a1a1a;--input-border:#3a3a3a}}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:720px;margin:0 auto;padding:0 24px}nav{border-bottom:1px solid var(--border);padding:20px 0}nav .container{justify-content:space-between;align-items:center;display:flex}.nav-brand{color:var(--text);font-size:18px;font-weight:700}.nav-brand:hover{text-decoration:none}.nav-links{gap:24px;list-style:none;display:flex}.nav-links a{color:var(--text-secondary);font-size:14px;font-weight:500}.nav-links a:hover{color:var(--text);text-decoration:none}.hero{text-align:center;padding:80px 0 48px}.hero-icon{border-radius:28px;width:120px;height:120px;margin-bottom:24px}.hero h1{letter-spacing:-.5px;margin-bottom:12px;font-size:40px;font-weight:700}.hero p{color:var(--text-secondary);max-width:480px;margin:0 auto;font-size:18px}.store-buttons{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px;display:flex}.store-btn{background:var(--text);color:var(--bg);border-radius:12px;align-items:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:600;transition:opacity .2s;display:inline-flex}.store-btn:hover{opacity:.85;text-decoration:none}.store-btn svg{fill:currentColor;width:20px;height:20px}.features{padding:48px 0}.features-grid{grid-template-columns:1fr 1fr;gap:24px;display:grid}.feature{background:var(--bg-alt);border-radius:var(--radius);padding:24px}.feature-icon{margin-bottom:12px;font-size:28px}.feature h3{margin-bottom:6px;font-size:16px;font-weight:600}.feature p{color:var(--text-secondary);font-size:14px}.content{padding:48px 0 80px}.content h1{margin-bottom:8px;font-size:32px;font-weight:700}.content .subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:14px}.content h2{margin-top:32px;margin-bottom:12px;font-size:20px;font-weight:600}.content h3{margin-top:20px;margin-bottom:8px;font-size:16px;font-weight:600}.content p,.content ul{color:var(--text-secondary);margin-bottom:16px}.content ul{padding-left:24px}.content li{margin-bottom:6px}.contact-form{margin-top:32px}.form-group{margin-bottom:20px}.form-group label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.form-group input,.form-group textarea{background:var(--input-bg);width:100%;color:var(--text);border:1px solid var(--input-border);border-radius:10px;outline:none;padding:12px 16px;font-family:inherit;font-size:15px;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{border-color:var(--accent)}.form-group textarea{resize:vertical}.submit-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;align-items:center;padding:12px 32px;font-family:inherit;font-size:15px;font-weight:600;transition:opacity .2s;display:inline-flex}.submit-btn:hover{opacity:.9}.submit-btn:disabled{opacity:.6;cursor:not-allowed}.form-status{margin-top:16px;font-size:14px;font-weight:500}.form-status.success{color:#34c759}.form-status.error{color:#ff3b30}footer{border-top:1px solid var(--border);text-align:center;color:var(--text-secondary);padding:24px 0;font-size:13px}footer .footer-links{margin-top:8px}footer .footer-links a{color:var(--text-secondary);margin:0 12px}@media (width<=600px){.hero{padding:48px 0 32px}.hero h1{font-size:28px}.hero p{font-size:16px}.features-grid{grid-template-columns:1fr}.nav-links{gap:16px}}