body {
    cursor: url('caliper_cursor.png'), auto;
  }



    :root {
      --nav-bg: #001f3f;
      --nav-link: #fcbf49;
      --nav-link-hover: #e6aa30;
      --primary-color: #001f3f;
      --accent-color: #fcbf49;
      --background-gradient: linear-gradient(135deg, #f2f0e6 0%, #d6c796 100%);
      --text-color: #001f3f;
      --shadow-color: rgba(0, 31, 63, 0.2);
      --font-family: 'Poppins', sans-serif;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-family);
      background: var(--background-gradient);
      color: var(--text-color);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    header {
      background-color: var(--nav-bg);
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 20px;
      box-shadow: 0 2px 6px var(--shadow-color);
      position: sticky;
      top: 0;
      z-index: 1000;
      flex-wrap: wrap;
    }

    .header-left {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--nav-link);
      letter-spacing: 0.1em;
      text-shadow: 0 0 5px var(--accent-color);
      text-transform: uppercase;
      white-space: nowrap;
      font-family: 'Poppins', sans-serif;
    }

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

    nav a {
      color: var(--nav-link);
      text-decoration: none;
      font-weight: 600;
      font-size: 1.05rem;
      padding: 8px 16px;
      border-radius: 8px;
      transition: 0.3s ease;
    }

    nav a:hover,
    nav a:focus {
      background-color: var(--nav-link-hover);
      color: var(--nav-bg);
      box-shadow: 0 0 10px var(--nav-link-hover);
      outline: none;
    }

    nav a[aria-current="page"] {
      background-color: var(--nav-link);
      color: var(--nav-bg);
      font-weight: 700;
      box-shadow: 0 0 10px var(--nav-link);
    }

    main {
      flex: 1;
      max-width: 960px;
      margin: 70px auto 100px;
      padding: 0 20px;
      background: #ffffffcc;
      border-radius: 25px;
      box-shadow: 0 20px 40px var(--shadow-color);
      animation: fadeInUp 1s ease forwards;
      line-height: 1.8;
    }

    h1 {
      font-size: 3rem;
      font-weight: 800;
      color: var(--primary-color);
      text-align: center;
      margin: 40px 0 20px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      text-shadow: 0 0 5px #fcbf49cc;
    }

    p {
      font-size: 1.1rem;
      color: #2b3a58;
      margin-bottom: 25px;
    }

    strong {
      color: var(--primary-color);
      font-weight: 700;
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* استایل جدید برای عکس شناور در سمت راست */
    .about-image {
      float: right;
      width: 220px;
      height: auto;
      margin: 0 0 20px 30px;
      border-radius: 15px;
      box-shadow: 0 8px 16px var(--shadow-color);
    }

    @media (max-width: 600px) {
      .header-left {
        font-size: 1.4rem;
      }

      nav {
        justify-content: center;
        gap: 10px;
        margin-top: 10px;
      }

      nav a {
        padding: 6px 12px;
        font-size: 0.95rem;
      }

      h1 {
        font-size: 2.4rem;
      }

      main {
        margin: 40px 15px 70px;
        padding: 20px;
      }

      p {
        font-size: 1rem;
      }

      /* در موبایل عکس وسط و بدون شناوری */
      .about-image {
        float: none;
        display: block;
        margin: 0 auto 20px auto;
        width: 70%;
        border-radius: 15px;
      }
    }