:root { --primary-color: rgb(0,0,0); --primary-hover: #333; --bg-light: #f5f5f7; --bg-white: #ffffff; --text-main: #1d1d1f; --text-muted: #86868b; --border-color: #e5e5ea; --accent-gold: #c5a977; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: sans-serif; color: var(--text-main); line-height: 1.6; background: var(--bg-light); }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        header { background: var(--bg-white); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; }
        .nav-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 36px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 20px; font-weight: 800; line-height: 1; color: var(--primary-color); white-space: nowrap; }
        .desktop-nav { display: flex; gap: 30px; align-items: center; }
        .desktop-nav a { font-weight: 500; font-size: 15px; color: var(--text-main); transition: color 0.3s; }
        .desktop-nav a:hover { color: var(--accent-gold); }
        .header-actions { display: flex; gap: 15px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border-radius: 6px; font-weight: 600; font-size: 14px; transition: all 0.3s; cursor: pointer; }
        .btn-primary { background: var(--primary-color); color: #fff; border: 1px solid var(--primary-color); }
        .btn-outline { background: transparent; color: var(--primary-color); border: 1px solid var(--primary-color); }
        .mobile-menu-btn { display: none; font-size: 24px; cursor: pointer; background: none; border: none; color: var(--primary-color); }

        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 998; backdrop-filter: blur(4px); }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100vh; background: var(--bg-white); z-index: 999; transition: left 0.3s ease; display: flex; flex-direction: column; box-shadow: 2px 0 12px rgba(0,0,0,0.1); }
        .drawer.active { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { font-size: 24px; background: none; border: none; cursor: pointer; color: var(--text-muted); }
        .drawer-nav { padding: 20px; overflow-y: auto; flex: 1; }
        .drawer-nav a { display: block; padding: 12px 0; font-size: 16px; font-weight: 500; border-bottom: 1px solid var(--bg-light); }
        
        footer { background: #111; color: #888; padding: 60px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo span { color: #fff; }
        .footer-brand p { margin-top: 20px; font-size: 14px; line-height: 1.6; }
        .footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-bottom { border-top: 1px solid #333; padding-top: 20px; display: flex; justify-content: space-between; font-size: 13px; }

        
        .dl-hero { background: var(--bg-white); padding: 80px 0; border-bottom: 1px solid var(--border-color); }
        .dl-inner { display: flex; align-items: center; gap: 60px; }
        .dl-content { flex: 1; }
        .dl-content h1 { font-size: 42px; font-weight: 900; margin-bottom: 20px; line-height: 1.2; color: var(--primary-color); }
        .dl-content p { font-size: 18px; color: var(--text-muted); margin-bottom: 40px; line-height: 1.6; }
        
        .dl-actions { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
        .dl-btn { display: flex; align-items: center; gap: 12px; padding: 15px 30px; border-radius: 50px; background: var(--primary-color); color: #fff; font-size: 18px; font-weight: 700; transition: transform 0.3s, box-shadow 0.3s; }
        .dl-btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.15); }
        .dl-btn.android { background: #3ddc84; color: #000; }
        .dl-btn.ios { background: #000; }
        
        .qr-box { padding: 15px; border: 1px solid var(--border-color); border-radius: 12px; background: var(--bg-light); text-align: center; }
        .qr-box .qr-placeholder { width: 100px; height: 100px; background: #ddd; margin: 0 auto; display: flex; align-items: center; justify-content: center; font-size: 12px; color: #999; }
        
        .dl-visual { flex: 1; display: flex; justify-content: center; position: relative; }
        .phone-mockup { width: 280px; height: 580px; background: #111; border-radius: 40px; border: 12px solid #222; position: relative; overflow: hidden; box-shadow: 0 30px 60px rgba(0,0,0,0.2); display: flex; flex-direction: column; }
        .phone-mockup::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 120px; height: 25px; background: #222; border-radius: 0 0 15px 15px; z-index: 10; }
        .phone-screen { flex: 1; background: linear-gradient(180deg, var(--primary-color) 0%, #333 100%); display: flex; align-items: center; justify-content: center; color: var(--accent-gold); font-weight: bold; font-size: 24px; text-align: center; padding: 20px; }

        .dl-steps { padding: 80px 0; background: var(--bg-white); }
        .steps-title { text-align: center; font-size: 32px; font-weight: 800; margin-bottom: 50px; color: var(--primary-color); }
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
        .step-item { position: relative; }
        .step-icon { width: 80px; height: 80px; background: var(--bg-light); border-radius: 50%; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 900; color: var(--primary-color); border: 2px solid var(--border-color); }
        .step-item h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
        .step-item p { font-size: 14px; color: var(--text-muted); }

        @media (max-width: 992px) {
            .desktop-nav, .header-actions { display: none; }
            .mobile-menu-btn { display: block; }
            .dl-inner { flex-direction: column; text-align: center; }
            .dl-actions { justify-content: center; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .steps-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }