:root{
      --bg:#f4f9ff;
      --white:#ffffff;
      --ink:#10233f;
      --muted:#60738e;
      --line:#d9e8f6;
      --brand:#1f6feb;
      --brand-dark:#0f3c78;
      --brand-soft:#eaf4ff;
      --accent:#69b8ff;
      --shadow:0 18px 50px rgba(16,35,63,.08);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --max:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Inter",sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at top right, rgba(105,184,255,.18), transparent 24%),
        linear-gradient(180deg,#f8fbff 0%,#f4f9ff 100%);
      line-height:1.7;
    }

    img{max-width:100%;display:block}
    a{text-decoration:none;color:inherit}
    .container{width:min(calc(100% - 32px),var(--max));margin:0 auto}

    .topbar{
      background:#edf6ff;
      border-bottom:1px solid var(--line);
      color:var(--brand-dark);
      font-size:13px;
      font-weight:700;
    }
    .topbar .wrap{
      padding:10px 0;
      display:flex;
      justify-content:center;
      text-align:center;
    }

    header{
      position:sticky;
      top:0;
      z-index:30;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(12px);
      border-bottom:1px solid rgba(217,232,246,.8);
    }
    .nav{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .logo{
      font-size:1.18rem;
      font-weight:800;
      color:var(--brand-dark);
      letter-spacing:.2px;
    }
    .logo span{color:var(--brand)}
    .nav-links{
      display:flex;
      flex-wrap:wrap;
      gap:18px;
      color:var(--muted);
      font-weight:600;
      font-size:14px;
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      color:#fff;
      font-weight:700;
      background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
      box-shadow:var(--shadow);
    }

    .hero{
      padding:68px 0 36px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:34px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border:1px solid #d7e8fb;
      border-radius:999px;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .hero h1{
      margin:18px 0 16px;
      font-family:"Playfair Display",serif;
      font-size:clamp(2.2rem,4.2vw,4.25rem);
      line-height:1.08;
      letter-spacing:-.03em;
    }
    .hero p{
      margin:0 0 22px;
      color:var(--muted);
      font-size:1.03rem;
      max-width:64ch;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:50px;
      padding:0 20px;
      border-radius:999px;
      font-weight:700;
      transition:.25s ease;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
      box-shadow:var(--shadow);
    }
    .btn-secondary{
      color:var(--brand-dark);
      background:#fff;
      border:1px solid var(--line);
    }

    .hero-card{
      background:linear-gradient(180deg,#ffffff 0%,#eef6ff 100%);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:26px;
      box-shadow:var(--shadow);
      position:relative;
      overflow:hidden;
    }
    .hero-card:before{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      right:-50px;
      top:-50px;
      background:radial-gradient(circle, rgba(105,184,255,.25), rgba(105,184,255,0) 70%);
      pointer-events:none;
    }

    .device-image-box{
      border-radius:24px;
      border:1px solid #d9e8f6;
      background:linear-gradient(135deg, rgba(31,111,235,.06), rgba(105,184,255,.04)), #fff;
      padding:18px;
    }
    .device-image-note{
      margin:0 0 12px;
      color:var(--brand-dark);
      font-size:13px;
      font-weight:700;
      text-align:center;
    }
    .device-image-frame{
      width:100%;
      aspect-ratio:4 / 4.4;
      border-radius:18px;
      background:#fff;
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
    }
    .device-image-frame img{
      width:100%;
      height:100%;
      object-fit:contain;
      object-position:center;
    }

    .mini-stats{
      margin-top:16px;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .mini-stats div{
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      padding:12px;
      text-align:center;
      font-size:13px;
      font-weight:700;
      color:var(--brand-dark);
    }

    section{padding:34px 0}
    .section-head{
      margin-bottom:22px;
    }
    .section-head .label{
      display:block;
      margin-bottom:8px;
      font-size:13px;
      text-transform:uppercase;
      letter-spacing:.12em;
      font-weight:800;
      color:var(--brand);
    }
    .section-head h2{
      margin:0 0 10px;
      font-family:"Playfair Display",serif;
      font-size:clamp(1.8rem,3vw,2.8rem);
      line-height:1.14;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:75ch;
    }

    .grid-2{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .grid-3{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }

    .card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      padding:24px;
      box-shadow:0 10px 30px rgba(16,35,63,.04);
    }
    .card h3{
      margin:0 0 10px;
      color:var(--brand-dark);
      font-size:1.08rem;
    }
    .card p,.card li{
      color:var(--muted);
      font-size:.98rem;
    }
    .card ul{
      margin:10px 0 0;
      padding-left:18px;
    }

    .icon{
      width:52px;
      height:52px;
      border-radius:16px;
      display:grid;
      place-items:center;
      margin-bottom:14px;
      border:1px solid #d8e9fb;
      background:linear-gradient(135deg,#edf6ff 0%,#f8fbff 100%);
      color:var(--brand);
      font-weight:800;
    }

    .band{
      background:linear-gradient(180deg,#ffffff 0%,#f3f9ff 100%);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }

    .treatments{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .treatment{
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      padding:18px 16px;
      text-align:center;
      box-shadow:0 10px 28px rgba(16,35,63,.03);
    }
    .treatment strong{
      display:block;
      margin-bottom:6px;
      color:var(--brand-dark);
    }
    .treatment span{
      color:var(--muted);
      font-size:14px;
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step{
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      padding:22px 18px;
      position:relative;
    }
    .step-number{
      width:38px;
      height:38px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
      background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
    }
    .step h3{
      margin:0 0 8px;
      color:var(--brand-dark);
      font-size:1.02rem;
    }
    .step p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
    }

    .faq{
      display:grid;
      gap:14px;
    }
    details{
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      padding:16px 18px;
    }
    summary{
      cursor:pointer;
      list-style:none;
      font-weight:700;
      color:var(--brand-dark);
      padding-right:26px;
    }
    summary::-webkit-details-marker{display:none}
    details p{
      margin:12px 0 0;
      color:var(--muted);
    }

    .cta{
      padding:34px 0 70px;
    }
    .cta-box{
      border-radius:32px;
      padding:34px;
      background:
        radial-gradient(circle at top right, rgba(255,255,255,.18), transparent 26%),
        linear-gradient(135deg,#0f3c78 0%, #1f6feb 55%, #69b8ff 100%);
      color:#fff;
      box-shadow:var(--shadow);
    }
    .cta-box h2{
      margin:0 0 12px;
      font-family:"Playfair Display",serif;
      font-size:clamp(1.9rem,3vw,3rem);
      line-height:1.12;
    }
    .cta-box p{
      margin:0 0 22px;
      color:rgba(255,255,255,.9);
      max-width:70ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
    }
    .btn-light{
      background:#fff;
      color:var(--brand-dark);
    }
    .btn-ghost{
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.28);
    }

    footer{
      border-top:1px solid var(--line);
      background:#f7fbff;
    }
    .footer-inner{
      padding:22px 0 34px;
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      color:var(--muted);
      font-size:14px;
    }

    @media (max-width:1100px){
      .hero-grid{
        grid-template-columns:1fr;
      }
      .grid-3,.grid-2,.steps,.treatments{
        grid-template-columns:1fr 1fr;
      }
    }
    @media (max-width:720px){
      .nav-links{display:none}
      .hero{padding:46px 0 16px}
      .grid-3,.grid-2,.steps,.treatments,.mini-stats{
        grid-template-columns:1fr;
      }
      .cta-box{padding:24px}
      .nav{min-height:68px}
      .hero-card{padding:18px}
      .device-image-box{padding:12px}
    }