:root{
      --bg:#f6fbf7;
      --card:#ffffff;
      --green-600:#1fa26a;
      --green-700:#158153;
      --muted:#6b7280;
      --accent-grad: linear-gradient(135deg, #16a34a 0%, #059669 100%);
      --shadow: 0 6px 18px rgba(2,6,23,0.08);
      --container:1200px;
    }
    *{box-sizing:border-box}
    body{font-family:Inter,ui-sans-serif,system-ui;margin:0;background:var(--bg);color:#0f172a;line-height:1.4}
    a{color:inherit;text-decoration:none}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}

    header{backdrop-filter:blur(6px);position:sticky;top:0;z-index:40;background:linear-gradient(180deg,rgba(255,255,255,0.8),rgba(255,255,255,0.6));box-shadow:0 1px 0 rgba(15,23,42,0.03)}
    .topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px}
    .logo{height:44px;border-radius:10px;background:var(--accent-grad);display:flex;align-items:center;justify-content:center;color:white;font-weight:700;font-size:18px;box-shadow:var(--shadow)}
    nav ul{display:flex;gap:30px;align-items:center;margin:0;padding:0;list-style:none;padding:5px 10px}
    header .logo img {
height: 44px;
width: auto;
}
    .cta{background:var(--green-600);color:#fff;padding:10px 16px;border-radius:10px;font-weight:600;box-shadow:0 6px 14px rgba(16,185,129,0.08)}
    .lang-select{padding:8px 10px;border-radius:8px;border:1px solid rgba(2,6,23,0.1);background:#fff;font-size:14px;color:var(--green-700)}

    .hero{display:grid;grid-template-columns:1fr 460px;gap:32px;align-items:center;padding:42px 0}
    .hero-left h1{font-size:34px;margin:0 0 12px}
    .sub{color:var(--muted);margin-bottom:18px}
    .hero-ctas{display:flex;gap:12px;align-items:center}
    .download-btn{background:var(--green-700);color:white;padding:14px 18px;border-radius:12px;font-weight:700}
    .play-btn{display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:10px;background:transparent;border:1px solid rgba(15,23,42,0.06)}

    .hero-right{position:relative}
    .mock{background:linear-gradient(180deg,rgba(255,255,255,0.92),rgba(255,255,255,0.85));padding:18px;border-radius:14px;box-shadow:var(--shadow);border:1px solid rgba(2,6,23,0.04)}
    .mock img{width:100%;display:block;border-radius:10px}

    #.ad-slot{background:repeating-linear-gradient(45deg,rgba(0,0,0,0.03)0 8px,rgba(255,255,255,0.02)8px 16px);border:2px dashed rgba(15,23,42,0.06);padding:10px;border-radius:8px;text-align:center;color:var(--muted);font-weight:600}
    .ad-caption{font-size:12px;color:var(--muted);margin-top:6px}

    .section{padding:36px 0}
    .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .card{background:var(--card);border-radius:12px;padding:18px;box-shadow:var(--shadow);border:1px solid rgba(2,6,23,0.03)}
    .card h4{margin:0 0 8px}
    .muted{color:var(--muted)}

    .how{display:flex;gap:16px}
    .step{flex:1;background:linear-gradient(180deg,#fff,rgba(255,255,255,0.95));padding:18px;border-radius:12px;border:1px solid rgba(2,6,23,0.03);box-shadow:var(--shadow)}

    .two-col{display:grid;grid-template-columns:2fr 1fr;gap:20px}

    footer{padding:30px 0;color:var(--muted)}

    @media(max-width:980px){.hero{grid-template-columns:1fr;}.cards{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}}
    @media(max-width:640px){.cards{grid-template-columns:1fr}nav ul{display:none}.topbar{padding:10px}}
    .small{font-size:13px}
    .center{text-align:center}
    .pill{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(16,185,129,0.08);color:var(--green-700);font-weight:700}