:root{
    --blue:#176ea6;
    --blue-dark:#0b4774;
    --cyan:#38a9d8;
    --aqua:#e9f8ff;
    --ink:#1b2c3d;
    --muted:#637587;
    --line:#d8e8f3;
    --soft:#f7fbff;
    --white:#ffffff;
    --shadow:0 18px 45px rgba(14,72,111,.12);
    --radius:26px;
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth}

  body{
    margin:0;
    font-family:Arial, Helvetica, sans-serif;
    color:var(--ink);
    background:
      radial-gradient(circle at top left, rgba(56,169,216,.17), transparent 34%),
      linear-gradient(180deg,#fbfeff 0%,#f4faff 42%,#ffffff 100%);
    line-height:1.72;
  }

  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}

  .co2-page{overflow:hidden}

  .medical-strip{
    background:linear-gradient(90deg,var(--blue-dark),var(--blue),#42afd6);
    color:#fff;
    font-size:14px;
    letter-spacing:.02em;
  }

  .medical-strip .inner{
    max-width:1220px;
    margin:0 auto;
    padding:10px 20px;
    display:flex;
    gap:16px;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
  }

  .medical-strip strong{font-weight:700}

  .nav-anchor{
    max-width:1220px;
    margin:0 auto;
    padding:16px 20px 0;
    display:flex;
    gap:10px;
    flex-wrap:wrap;
  }

  .nav-anchor a{
    padding:9px 14px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.8);
    border-radius:999px;
    font-size:14px;
    color:var(--blue-dark);
  }

  .hero{
    max-width:1220px;
    margin:0 auto;
    padding:52px 20px 62px;
    display:grid;
    grid-template-columns:1.04fr .96fr;
    gap:38px;
    align-items:center;
  }

  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:7px 12px;
    border-radius:999px;
    background:#e7f6ff;
    color:var(--blue-dark);
    font-size:13px;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:.04em;
  }

  .eyebrow::before{
    content:"";
    width:8px;
    height:8px;
    border-radius:999px;
    background:var(--cyan);
    box-shadow:0 0 0 6px rgba(56,169,216,.16);
  }

  h1,h2,h3{
    line-height:1.18;
    margin:0;
    color:var(--ink);
  }

  h1{
    margin-top:18px;
    font-size:clamp(34px,4.6vw,66px);
    letter-spacing:-.04em;
  }

  .lead{
    margin:20px 0 0;
    max-width:650px;
    color:#486174;
    font-size:18px;
  }

  .hero-badges{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:12px;
    margin-top:28px;
  }

  .hero-badge{
    border:1px solid var(--line);
    border-radius:18px;
    background:rgba(255,255,255,.78);
    padding:15px;
  }

  .hero-badge b{
    display:block;
    color:var(--blue-dark);
    font-size:18px;
    margin-bottom:4px;
  }

  .hero-badge span{
    color:var(--muted);
    font-size:13px;
    line-height:1.45;
    display:block;
  }

  .cta-row{
    margin-top:32px;
    display:flex;
    gap:12px;
    flex-wrap:wrap;
    align-items:center;
  }

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:48px;
    padding:12px 22px;
    border-radius:999px;
    font-weight:700;
    transition:.25s ease;
  }

  .btn-primary{
    background:linear-gradient(135deg,var(--blue),var(--cyan));
    color:#fff;
    box-shadow:0 14px 28px rgba(23,110,166,.25);
  }

  .btn-primary:hover{transform:translateY(-2px)}

  .btn-ghost{
    background:#fff;
    border:1px solid var(--line);
    color:var(--blue-dark);
  }

  .hero-media{
    position:relative;
    border-radius:34px;
    padding:12px;
    background:linear-gradient(145deg,#fff,#e9f8ff);
    box-shadow:none;
  }

  .media-frame{
    position:relative;
    overflow:hidden;
    border-radius:26px;
    background:#eff8fd;
    border:1px solid #cbe4f2;
    box-shadow:none;
  }

  .media-frame img{
    width:100%;
    height:auto;
    aspect-ratio:4/3;
    object-fit:cover;
    background:#eff8fd;
  }

  .section{
    max-width:1220px;
    margin:0 auto;
    padding:70px 20px;
  }

  .section-head{
    display:flex;
    justify-content:space-between;
    gap:24px;
    align-items:flex-end;
    margin-bottom:30px;
  }

  .section-kicker{
    color:var(--blue);
    font-weight:800;
    letter-spacing:.07em;
    text-transform:uppercase;
    font-size:13px;
    margin-bottom:10px;
  }

  .section h2{
    font-size:clamp(28px,3.2vw,46px);
    letter-spacing:-.03em;
    max-width:780px;
  }

  .section-head p{
    margin:0;
    color:var(--muted);
    max-width:390px;
    font-size:15px;
  }

  .panel{
    border:1px solid var(--line);
    background:rgba(255,255,255,.86);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
  }

  .spec-grid{
    display:grid;
    grid-template-columns:.92fr 1.08fr;
    gap:22px;
  }

  .spec-card{padding:30px}

  .spec-card h3{
    font-size:28px;
    margin-bottom:14px;
    color:var(--blue-dark);
  }

  .spec-card p{
    color:var(--muted);
    margin:0 0 18px;
  }

  .tick-list{
    list-style:none;
    padding:0;
    margin:0;
    display:grid;
    gap:12px;
  }

  .tick-list li{
    position:relative;
    padding-left:30px;
    color:#384f63;
  }

  .tick-list li::before{
    content:"✓";
    position:absolute;
    left:0;
    top:0;
    width:20px;
    height:20px;
    border-radius:50%;
    background:#e2f6ff;
    color:var(--blue);
    font-weight:800;
    line-height:20px;
    text-align:center;
    font-size:13px;
  }

  .spec-table{
    width:100%;
    border-collapse:separate;
    border-spacing:0;
    overflow:hidden;
    border-radius:22px;
    border:1px solid var(--line);
    background:#fff;
  }

  .spec-table th,
  .spec-table td{
    padding:14px 16px;
    border-bottom:1px solid var(--line);
    text-align:left;
    vertical-align:top;
    font-size:14px;
  }

  .spec-table tr:last-child th,
  .spec-table tr:last-child td{border-bottom:none}

  .spec-table th{
    width:38%;
    background:#edf8ff;
    color:var(--blue-dark);
    font-weight:700;
  }

  .spec-table td{color:#40576b}

  .medical-band{
    position:relative;
    border-radius:34px;
    overflow:hidden;
    background:
      linear-gradient(135deg,rgba(11,71,116,.94),rgba(23,110,166,.88)),
      radial-gradient(circle at 80% 20%,rgba(255,255,255,.2),transparent 30%);
    color:#fff;
    padding:44px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:28px;
    align-items:center;
    box-shadow:var(--shadow);
  }

  .medical-band h2{color:#fff}
  .medical-band p{color:rgba(255,255,255,.82);margin:15px 0 0}

  .mode-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:14px;
  }

  .mode-card{
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.22);
    border-radius:22px;
    padding:22px;
  }

  .mode-card b{
    display:block;
    color:#fff;
    font-size:19px;
    margin-bottom:8px;
  }

  .mode-card span{
    color:rgba(255,255,255,.78);
    font-size:14px;
    display:block;
  }

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

  .gallery-card{
    padding:12px;
    border-radius:26px;
    background:#fff;
    border:1px solid var(--line);
    box-shadow:none;
  }

  .gallery-card .media-frame img{
    aspect-ratio:4/3;
    object-fit:cover;
  }

  .gallery-card h3{
    font-size:18px;
    margin:14px 4px 5px;
    color:var(--blue-dark);
  }

  .gallery-card p{
    margin:0 4px 6px;
    color:var(--muted);
    font-size:14px;
    line-height:1.55;
  }

  .handpiece-layout{
    display:grid;
    grid-template-columns:.92fr 1.08fr;
    gap:22px;
    align-items:stretch;
  }

  .handpiece-image{
    padding:12px;
    box-shadow:none !important;
  }

  .handpiece-image .media-frame img{
    aspect-ratio:4/3;
    object-fit:cover;
  }

  .handpiece-content{
    padding:34px;
    display:flex;
    flex-direction:column;
    justify-content:center;
  }

  .mini-cards{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:12px;
    margin-top:24px;
  }

  .mini-card{
    border:1px solid var(--line);
    border-radius:18px;
    padding:16px;
    background:#f8fcff;
  }

  .mini-card b{
    display:block;
    color:var(--blue-dark);
    margin-bottom:6px;
  }

  .mini-card span{
    color:var(--muted);
    font-size:13px;
    display:block;
    line-height:1.45;
  }

  .applications{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:14px;
  }

  .app-card{
    min-height:176px;
    padding:24px;
    border-radius:24px;
    border:1px solid var(--line);
    background:#fff;
    box-shadow:0 10px 28px rgba(23,110,166,.07);
  }

  .app-icon{
    width:42px;
    height:42px;
    border-radius:16px;
    display:grid;
    place-items:center;
    margin-bottom:16px;
    background:linear-gradient(135deg,#e9f8ff,#d7f0ff);
    color:var(--blue);
    font-weight:800;
    font-size:20px;
  }

  .app-card h3{font-size:18px;margin-bottom:9px}
  .app-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}

  .before-after{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:24px;
    align-items:center;
  }

  .ba-media{
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:30px;
    box-shadow:none;
  }

  .ba-media .media-frame img{
    aspect-ratio:12/7;
    object-fit:cover;
  }

  .result-list{
    display:grid;
    gap:12px;
    margin-top:22px;
  }

  .result-item{
    display:flex;
    gap:14px;
    padding:16px;
    border-radius:18px;
    background:#fff;
    border:1px solid var(--line);
  }

  .result-number{
    flex:0 0 34px;
    width:34px;
    height:34px;
    border-radius:50%;
    display:grid;
    place-items:center;
    background:var(--blue);
    color:#fff;
    font-weight:800;
  }

  .result-item b{display:block;color:var(--blue-dark);margin-bottom:3px}
  .result-item span{color:var(--muted);font-size:14px}

  .workflow{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:14px;
  }

  .step{
    position:relative;
    padding:26px 22px;
    border-radius:24px;
    background:#fff;
    border:1px solid var(--line);
  }

  .step em{
    font-style:normal;
    color:rgba(23,110,166,.13);
    font-size:52px;
    font-weight:800;
    line-height:1;
    display:block;
    margin-bottom:8px;
  }

  .step h3{font-size:18px;margin-bottom:9px}
  .step p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}

  .faq-wrap{
    display:grid;
    grid-template-columns:.85fr 1.15fr;
    gap:24px;
    align-items:start;
  }

  .faq-intro{
    padding:34px;
    position:sticky;
    top:18px;
  }

  .faq-intro p{color:var(--muted);margin:16px 0 0}

  .faq-list{
    display:grid;
    gap:12px;
  }

  details{
    border:1px solid var(--line);
    border-radius:20px;
    background:#fff;
    padding:0 20px;
    box-shadow:0 8px 22px rgba(23,110,166,.05);
  }

  summary{
    cursor:pointer;
    padding:18px 0;
    font-weight:800;
    color:var(--blue-dark);
    list-style:none;
    position:relative;
    padding-right:32px;
  }

  summary::-webkit-details-marker{display:none}

  summary::after{
    content:"+";
    position:absolute;
    right:0;
    top:17px;
    width:24px;
    height:24px;
    border-radius:50%;
    background:#e8f7ff;
    color:var(--blue);
    display:grid;
    place-items:center;
    font-weight:900;
  }

  details[open] summary::after{content:"–"}

  details p{
    margin:0;
    padding:0 0 18px;
    color:var(--muted);
    font-size:15px;
  }

  .cta-final{
    max-width:1220px;
    margin:10px auto 80px;
    padding:0 20px;
  }

  .cta-card{
    border-radius:34px;
    padding:44px;
    background:linear-gradient(135deg,#ffffff,#eaf8ff);
    border:1px solid var(--line);
    box-shadow:var(--shadow);
    display:grid;
    grid-template-columns:1fr auto;
    gap:22px;
    align-items:center;
  }

  .cta-card h2{font-size:34px}
  .cta-card p{margin:12px 0 0;color:var(--muted);max-width:720px}

  .legal-note{
    max-width:1220px;
    margin:0 auto 40px;
    padding:0 20px;
    color:#7a8b99;
    font-size:12px;
    line-height:1.6;
  }

  @media(max-width:980px){
    .hero,
    .spec-grid,
    .medical-band,
    .handpiece-layout,
    .before-after,
    .faq-wrap,
    .cta-card{
      grid-template-columns:1fr;
    }

    .hero-badges,
    .gallery-grid,
    .applications,
    .workflow{
      grid-template-columns:repeat(2,1fr);
    }

    .section-head{
      align-items:flex-start;
      flex-direction:column;
    }

    .faq-intro{
      position:relative;
      top:auto;
    }
  }

  @media(max-width:640px){
    .medical-strip .inner{align-items:flex-start}
    .hero{padding-top:34px}

    .hero-badges,
    .gallery-grid,
    .applications,
    .workflow,
    .mode-grid,
    .mini-cards{
      grid-template-columns:1fr;
    }

    .section{padding:48px 16px}
    .hero{padding-left:16px;padding-right:16px}
    .medical-band,.cta-card{padding:28px}
    .spec-card,.handpiece-content,.faq-intro{padding:24px}

    .spec-table th,
    .spec-table td{
      display:block;
      width:100%;
    }

    .spec-table th{
      border-bottom:0;
      padding-bottom:6px;
    }

    .spec-table td{padding-top:0}

    .nav-anchor{
      overflow:auto;
      flex-wrap:nowrap;
      padding-bottom:4px;
    }

    .nav-anchor a{white-space:nowrap}
  }