/* ===== Palette lấy theo logo List (vàng nhạt + xanh lá + cam) ===== */
    :root{
      --bg: #fffef2;
      --paper: #f8f581;        /* vàng nhạt */
      --paper2: #f5f3a7;
      --green: #347006;        /* xanh đậm */
      --green2:#4e9a1a;
      --orange:#ff7f2a;        /* cam tick */
      --text: #122018;
      --muted:#3a4b40;
      --line: rgba(18,32,24,.18);
      --soft: rgba(52,112,6,.08);
      --shadow: 0 16px 40px rgba(18,32,24,.12);
      --radius: 18px;
      --max: 1020px;
    }

    *{ box-sizing:border-box; }
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
      color: var(--text);
      background:
        radial-gradient(1200px 520px at 12% 0%, rgba(255,127,42,.14), transparent 55%),
        radial-gradient(900px 420px at 88% 10%, rgba(52,112,6,.14), transparent 60%),
        var(--bg);
      line-height: 1.45;
    }
    a{ color:inherit; text-decoration:none; }
    img{ max-width:100%; display:block; }

    .wrap{ max-width: var(--max); margin:0 auto; padding: 0 18px; }

    /* ===== Top navigation (gọn như landing POS) ===== */
    .topbar{
      position: sticky; top:0; z-index:50;
      background: rgba(255,254,242,.72);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--line);
    }
    .topbar .inner{
      display:flex; align-items:center; justify-content:space-between;
      gap: 14px;
      padding: 12px 0;
    }
    .brand{
      display:flex; align-items:center; gap:10px;
      font-weight: 900;
      letter-spacing: .2px;
    }
    .brand img{
      width: 34px; height: 34px; border-radius: 10px;
      box-shadow: 0 10px 18px rgba(18,32,24,.10);
      background: #fff;
    }
    .nav{
      display:flex; gap: 8px; flex-wrap:wrap;
      align-items:center;
      font-weight: 800;
      color: var(--muted);
      font-size: 13px;
    }
    .nav a{
      padding: 8px 10px;
      border-radius: 12px;
      border: 1px solid transparent;
    }
    .nav a:hover{
      background: rgba(255,127,42,.08);
      border-color: rgba(255,127,42,.18);
      color: var(--text);
    }

    /* ===== Buttons (cam + xanh) ===== */
    .btn{
      display:inline-flex; align-items:center; justify-content:center;
      padding: 11px 14px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.65);
      font-weight: 900;
      box-shadow: 0 10px 18px rgba(18,32,24,.08);
      transition: transform .08s ease, box-shadow .15s ease;
    }
    .btn:hover{ transform: translateY(-1px); box-shadow: 0 14px 24px rgba(18,32,24,.12); }
    .btn.primary{
      background: linear-gradient(180deg, rgba(255,127,42,.25), rgba(255,127,42,.10));
      border-color: rgba(255,127,42,.28);
    }
    .btn.green{
      background: linear-gradient(180deg, rgba(52,112,6,.22), rgba(52,112,6,.10));
      border-color: rgba(52,112,6,.28);
    }

    /* ===== Typo giống nhịp heading của POS (H1 + H4) ===== */
    header{
      padding: 34px 0 18px;
    }
    h1{
      margin: 0 0 6px;
      font-size: clamp(34px, 4.2vw, 52px);
      letter-spacing: -.8px;
      line-height: 1.02;
    }
    .h4{
      font-size: 18px;
      font-weight: 900;
      color: var(--green);
      margin-top: 4px;
    }
    .lead{
      margin: 14px 0 18px;
      color: var(--muted);
      font-size: 16px;
      max-width: 72ch;
      font-weight: 700;
    }

    /* ===== Layout hero (ảnh + badges) ===== */
    .hero{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 18px;
      align-items:center;
    }
    .badges{
      display:flex; gap: 10px; flex-wrap:wrap;
      align-items:center;
      margin-top: 10px;
    }
    .badges img{
      height: 44px; width:auto;
      filter: drop-shadow(0 10px 14px rgba(18,32,24,.10));
    }
    .tagline{
      margin-top: 10px;
      font-weight: 900;
      color: var(--muted);
    }

    .heroCard{
      position:relative;
    }
    .heroPhoto{
      overflow:hidden;
    }
    .heroPhoto img{ width:100%; height: auto; }

    /* ===== Sections / HR như landing POS (“* * *”) ===== */
    section{ padding: 18px 0; }
    .hr{
      border: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(18,32,24,.25), transparent);
      margin: 16px 0;
    }
    .hrText{
      text-align:center;
      color: rgba(18,32,24,.55);
      font-weight: 900;
      letter-spacing: .3px;
      margin: 6px 0 0;
      font-size: 12px;
    }

    /* ===== “Không …” blocks (đúng nhịp POS) ===== */
    .triple{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }
    .miniBlock{
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.55);
      padding: 14px;
      box-shadow: 0 10px 18px rgba(18,32,24,.07);
    }
    .miniBlock h3{
      margin: 0 0 8px;
      font-size: 18px;
      font-weight: 1000;
      color: var(--text);
    }
    .miniBlock .sep{
      height: 3px;
      width: 100%;
      border-radius: 999px;
      background: rgba(255,127,42,.22);
      margin: 10px 0 10px;
    }
    .miniBlock p{
      margin: 0;
      color: var(--muted);
      font-weight: 750;
      font-size: 14px;
    }

    /* ===== Feature grid kiểu POS (“Tính tiền / Quét mã / …”) ===== */
    .featureTitle{
      font-size: 18px;
      font-weight: 1000;
      color: var(--text);
      margin: 0;
    }
    .featureSub{
      margin: 6px 0 0;
      color: var(--muted);
      font-weight: 750;
      font-size: 14px;
    }
    .featureGrid{
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 12px;
    }
    .featureCard{
      border: 1px solid var(--line);
      background: rgba(255,255,255,.58);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 10px 18px rgba(18,32,24,.07);
      display:flex;
      flex-direction:column;
      gap: 10px;
      min-height: 220px;
    }
    .featureCard .k{
      font-weight: 1000;
      color: var(--green);
      font-size: 16px;
    }
    .featureCard .v{
      color: var(--muted);
      font-weight: 750;
      font-size: 14px;
    }
    .thumb{
      border-radius: 14px;
      border: 1px solid rgba(18,32,24,.14);
      overflow:hidden;
      height: 120px;
      background: rgba(52,112,6,.06);
    }
    .thumb img{ width:100%; height:100%; object-fit: cover; }

    /* ===== Video / Preview ===== */
    .twoCol{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      align-items: stretch;
    }
    .panel{
      border: 1px solid var(--line);
      background: rgba(255,255,255,.58);
      border-radius: var(--radius);
      padding: 14px;
      box-shadow: 0 10px 18px rgba(18,32,24,.07);
    }
    .panel h3{ margin:0 0 8px; font-size: 18px; font-weight: 1000; }
    .panel p{ margin:0; color: var(--muted); font-weight: 750; }
    .iframeWrap{
      margin-top: 10px;
      border-radius: 14px;
      overflow:hidden;
      border: 1px solid rgba(18,32,24,.14);
      aspect-ratio: 16/9;
      background: rgba(18,32,24,.04);
    }
    .iframeWrap iframe{ width:100%; height:100%; border:0; }

    /* ===== Pricing table giống POS (Free/Pro) ===== */
    .pricing{
      border: 1px solid rgba(255,127,42,.30);
      background: linear-gradient(180deg, rgba(255,127,42,.12), rgba(255,255,255,.55));
      border-radius: calc(var(--radius) + 4px);
      padding: 16px;
      box-shadow: var(--shadow);
    }
    .pricingHead{
      display:flex; justify-content:space-between; gap: 12px; flex-wrap:wrap; align-items:baseline;
      margin-bottom: 8px;
    }
    .pricingHead h3{ margin:0; font-size: 20px; font-weight: 1100; }
    .pricingHead .note{ color: var(--muted); font-weight: 850; }
    table{
      width:100%;
      border-collapse: collapse;
      overflow:hidden;
      border-radius: 14px;
      background: rgba(255,255,255,.62);
      border: 1px solid rgba(18,32,24,.14);
    }
    th, td{
      padding: 10px 10px;
      border-bottom: 1px solid rgba(18,32,24,.10);
      text-align:left;
      font-weight: 800;
      color: var(--text);
      font-size: 14px;
    }
    th{
      background: rgba(52,112,6,.07);
      font-weight: 1000;
      color: var(--green);
    }
    td.muted{ color: var(--muted); font-weight: 800; }
    .ok{ color: var(--green); font-weight: 1100; }
    .no{ color: rgba(18,32,24,.45); font-weight: 1100; }

    /* ===== FAQ ===== */
    details{
      border: 1px solid rgba(18,32,24,.14);
      background: rgba(255,255,255,.58);
      border-radius: var(--radius);
      padding: 12px 14px;
      box-shadow: 0 10px 18px rgba(18,32,24,.07);
    }
    details + details{ margin-top: 10px; }
    summary{
      cursor:pointer;
      font-weight: 1100;
      color: var(--text);
    }
    details p{ margin: 10px 0 0; color: var(--muted); font-weight: 750; }

    /* ===== Footer (giống landing POS: menu link) ===== */
    footer{
      margin-top: 20px;
      border-top: 1px solid var(--line);
      padding: 18px 0 26px;
      color: rgba(18,32,24,.62);
      font-weight: 850;
      font-size: 13px;
    }
    .foot{
      display:flex; justify-content:space-between; gap: 10px; flex-wrap:wrap; align-items:center;
    }
    .foot a{ color: rgba(18,32,24,.62); font-weight: 950; }
    .foot a:hover{ color: var(--text); }

    /* ===== Responsive ===== */
    @media (max-width: 920px){
      .hero{ grid-template-columns: 1fr; }
      .triple, .featureGrid{ grid-template-columns: 1fr; }
      .twoCol{ grid-template-columns: 1fr; }
      .heroPhoto img{ height: 320px; }
    }