:root{
      --bg:#f4f9ff;
      --panel:#ffffff;
      --soft:#eef6ff;
      --line:#d9e8f7;
      --text:#102742;
      --muted:#5f7590;
      --primary:#1f6feb;
      --primary-dark:#114a9f;
      --accent:#60aefb;
      --title:#0d2240;
      --ok:#eaf7ee;
      --ok-text:#18643d;
      --shadow:0 18px 45px rgba(15,39,71,.08);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --max:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Inter",sans-serif;
      background:linear-gradient(180deg,#f7fbff 0%,#eef6ff 100%);
      color:var(--text);
      line-height:1.75;
    }
    img{max-width:100%;display:block}
    a{color:var(--primary);text-decoration:none}
    a:hover{text-decoration:underline}

    .container{
      width:min(var(--max),calc(100% - 32px));
      margin:0 auto;
    }

    .topbar{
      border-bottom:1px solid rgba(217,232,247,.7);
      background:rgba(255,255,255,.78);
      backdrop-filter:blur(10px);
      position:sticky;
      top:0;
      z-index:20;
    }
    .topbar-inner{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:14px 0;
    }
    .brand{
      font-weight:800;
      color:var(--title);
      letter-spacing:.2px;
    }
    .brand span{
      color:var(--primary);
    }
    .nav{
      display:flex;
      gap:18px;
      flex-wrap:wrap;
      align-items:center;
    }
    .nav a{
      font-size:14px;
      color:var(--muted);
      font-weight:600;
    }
    .nav .cta-mini{
      background:var(--primary);
      color:#fff;
      padding:10px 14px;
      border-radius:999px;
      box-shadow:var(--shadow);
    }

    .hero{
      padding:42px 0 28px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-card,
    .hero-side{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
    }
    .hero-card{
      padding:38px;
      background:
        radial-gradient(circle at top right, rgba(96,174,251,.18), transparent 34%),
        linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:#eaf4ff;
      color:var(--primary-dark);
      font-size:13px;
      font-weight:700;
      letter-spacing:.2px;
      margin-bottom:18px;
    }
    .hero h1{
      margin:0 0 14px;
      font-family:"Playfair Display",serif;
      font-size:clamp(34px,4vw,56px);
      line-height:1.12;
      color:var(--title);
    }
    .hero p.lead{
      margin:0 0 20px;
      font-size:18px;
      color:var(--muted);
      max-width:760px;
    }
    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      margin:18px 0 24px;
      color:var(--muted);
      font-size:14px;
    }
    .meta span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      background:#f7fbff;
      border:1px solid var(--line);
      border-radius:999px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:18px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:14px 18px;
      border-radius:999px;
      font-weight:700;
      border:1px solid transparent;
      transition:.2s ease;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),#58a9ff);
      color:#fff;
      box-shadow:0 14px 28px rgba(31,111,235,.18);
    }
    .btn-secondary{
      background:#fff;
      color:var(--primary-dark);
      border-color:var(--line);
    }
    .btn:hover{
      transform:translateY(-1px);
      text-decoration:none;
    }

    .hero-side{
      overflow:hidden;
      display:flex;
      flex-direction:column;
    }
    .hero-visual{
      aspect-ratio:4/3;
      background:
        linear-gradient(135deg,rgba(13,34,64,.02),rgba(31,111,235,.08)),
        url('https://emmalaser.fr/cdn/shop/files/alexandrite-laser-755nm-professionnel-cover.jpg') center/cover no-repeat;
      min-height:100%;
      position:relative;
    }
    .hero-badge{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(217,232,247,.95);
      border-radius:18px;
      padding:16px;
      box-shadow:var(--shadow);
    }
    .hero-badge strong{
      display:block;
      margin-bottom:6px;
      color:var(--title);
      font-size:15px;
    }
    .hero-badge p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.6;
    }

    .section{
      padding:26px 0;
    }
    .grid-main{
      display:grid;
      grid-template-columns:minmax(0,1fr) 310px;
      gap:28px;
      align-items:start;
    }
    .article{
      min-width:0;
    }
    .card{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:30px;
      margin-bottom:22px;
    }
    .card h2{
      margin:0 0 14px;
      font-size:30px;
      line-height:1.2;
      color:var(--title);
    }
    .card h3{
      margin:28px 0 10px;
      font-size:22px;
      line-height:1.3;
      color:var(--title);
    }
    .card p{
      margin:0 0 16px;
      color:#27415d;
    }
    .card ul,
    .card ol{
      margin:0 0 16px 22px;
      padding:0;
      color:#27415d;
    }
    .card li{margin-bottom:10px}
    .card strong{color:#132d4d}

    .toc{
      padding:24px;
      position:sticky;
      top:84px;
    }
    .toc h3{
      margin:0 0 12px;
      font-size:18px;
      color:var(--title);
    }
    .toc a{
      display:block;
      padding:10px 12px;
      border-radius:12px;
      color:var(--muted);
      font-size:14px;
      font-weight:600;
    }
    .toc a:hover{
      background:var(--soft);
      color:var(--primary-dark);
      text-decoration:none;
    }

    .info-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
      margin-top:18px;
    }
    .info-box{
      background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
      border:1px solid var(--line);
      border-radius:18px;
      padding:18px;
    }
    .info-box h4{
      margin:0 0 10px;
      font-size:17px;
      color:var(--title);
    }
    .info-box p{
      margin:0;
      font-size:15px;
      color:var(--muted);
    }

    .feature-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
      margin-top:16px;
    }
    .feature{
      padding:18px;
      border-radius:18px;
      border:1px solid var(--line);
      background:#fbfdff;
    }
    .feature h4{
      margin:0 0 8px;
      color:var(--title);
      font-size:18px;
    }
    .feature p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }

    .compare{
      overflow:auto;
    }
    table{
      width:100%;
      border-collapse:collapse;
      margin-top:12px;
      min-width:680px;
    }
    th,td{
      padding:14px 14px;
      border:1px solid var(--line);
      text-align:left;
      vertical-align:top;
      font-size:15px;
    }
    th{
      background:#eef6ff;
      color:var(--title);
      font-size:14px;
      text-transform:uppercase;
      letter-spacing:.3px;
    }

    .note{
      margin-top:18px;
      padding:16px 18px;
      border-radius:16px;
      background:var(--ok);
      color:var(--ok-text);
      border:1px solid #caecd7;
      font-size:14px;
      line-height:1.65;
    }

    .cta{
      padding:30px;
      background:
        radial-gradient(circle at top right, rgba(96,174,251,.22), transparent 28%),
        linear-gradient(180deg,#fafdff 0%,#edf6ff 100%);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
    }
    .cta h2{
      margin:0 0 12px;
      font-size:32px;
      color:var(--title);
    }
    .cta p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:17px;
    }

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

    .footer{
      padding:34px 0 60px;
      color:var(--muted);
      font-size:14px;
    }
    .footer-wrap{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      align-items:center;
      border-top:1px solid var(--line);
      padding-top:24px;
    }

    @media (max-width: 1040px){
      .hero-grid,
      .grid-main{
        grid-template-columns:1fr;
      }
      .toc{
        position:static;
      }
    }

    @media (max-width: 760px){
      .hero-card,
      .card,
      .cta{
        padding:22px;
      }
      .info-grid,
      .feature-list{
        grid-template-columns:1fr;
      }
      .hero h1{
        font-size:34px;
      }
      .hero p.lead{
        font-size:16px;
      }
      .topbar-inner{
        align-items:flex-start;
        flex-direction:column;
      }
    }