*{
      margin:0;
      padding:0;
      box-sizing:border-box;
      font-family: 'Segoe UI', Arial, sans-serif;
    }

    body{
      background:#ffffff;
      color:#111;
      line-height:1.6;
    }

    /* HEADER */
    header{
      position:fixed;
      top:0;
      width:100%;
      background:#fff;
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:15px 30px;
      border-bottom:1px solid #eee;
      z-index:1000;
    }

    .logo{
      font-size:20px;
      font-weight:700;
      letter-spacing:2px;
      color:#000;
    }

    nav{
      display:flex;
      gap:20px;
    }

    nav a{
      text-decoration:none;
      color:#333;
      font-size:14px;
      transition:0.3s;
    }

    nav a:hover{
      color:#000;
      border-bottom:2px solid #000;
    }

    /* HERO */
    .hero{
      padding:140px 20px 80px;
      text-align:center;
    }

    .hero h1{
      font-size:42px;
      font-weight:700;
      margin-bottom:15px;
    }

    .hero p{
      max-width:700px;
      margin:0 auto;
      color:#444;
      font-size:16px;
    }

    .btn{
      margin-top:25px;
      padding:12px 25px;
      border:1px solid #000;
      background:#000;
      color:#fff;
      cursor:pointer;
      font-weight:600;
      transition:0.3s;
    }

    .btn:hover{
      background:#fff;
      color:#000;
    }

    /* SECTIONS */
    section{
      padding:80px 20px;
      max-width:1100px;
      margin:auto;
    }

    h2{
      font-size:28px;
      margin-bottom:20px;
      text-align:center;
    }

    p{
      color:#444;
      text-align:center;
      max-width:800px;
      margin:auto;
    }

    /* GRID */
    .grid{
      display:grid;
      grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
      gap:20px;
      margin-top:40px;
    }

    .card{
      border:1px solid #eee;
      padding:20px;
      border-radius:10px;
      transition:0.3s;
      background:#fff;
    }

    .card:hover{
      transform:translateY(-5px);
      box-shadow:0 10px 20px rgba(0,0,0,0.05);
    }

    /* FOUNDER */
    .founder{
      background:#fafafa;
      padding:60px 20px;
      text-align:center;
      border-top:1px solid #eee;
      border-bottom:1px solid #eee;
    }

    .founder h3{
      font-size:22px;
      margin-bottom:10px;
    }

    /* FOOTER */
    footer{
      text-align:center;
      padding:30px;
      font-size:13px;
      color:#666;
    }

    /* MOBILE */
    @media(max-width:768px){
      nav{
        display:none;
      }

      header{
        justify-content:center;
      }

      .hero h1{
        font-size:32px;
      }
    }