/* ========== GLOBAL RESET ========== *
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      body {
        font-family: 'Montserrat', sans-serif;
        background-color: #f4f4f4;
        color: #222;
        line-height: 1.6;
      }
*/
      /* ========== HEADER ========== */
      .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 999;
        background-color: rgba(128, 128, 128, 0.75); /* Grey with opacity */
        backdrop-filter: blur(6px); /* soft glassy look */
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        transition: background-color 0.3s ease, box-shadow 0.3s ease;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
      }

      /* Header container layout */
      .header-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 16px 80px; /* Adds padding around header */
        max-width: 1400px;
        margin: auto;
      }

      /* ========== LOGO ========== */
      .logo a {
        text-decoration: none;
        color: white;
        font-weight: 700;
        font-size: 1.4rem;
        letter-spacing: 0.5px;
      }

      /* ========== NAVIGATION ========== */
      .main-nav ul {
        list-style: none;
        display: flex;
        gap: 30px;
      }

      .main-nav ul li a {
        text-decoration: none;
        color: white;
        font-weight: 500;
        font-size: 0.95rem;
        opacity: 0.9;
        transition: color 0.3s ease, opacity 0.3s ease;
      }

      .main-nav ul li a:hover,
      .main-nav ul li a.active {
        color: #e0e0e0;
        opacity: 1;
      }

      /* ========== MAIN CONTENT PADDING (to offset fixed header) ========== *
      .main-content {
        padding-top: 90px; 
      }*/

      /* ========== RESPONSIVE DESIGN ========== */
      @media (max-width: 992px) {
        .header-container {
          padding: 16px 40px;
        }

        .main-nav ul {
          gap: 20px;
        }

        .logo a {
          font-size: 1.3rem;
        }
      }

      @media (max-width: 768px) {
        /* Convert to hamburger menu layout */
        .header-container {
          flex-wrap: wrap;
          padding: 14px 25px;
        }

        .main-nav {
          width: 100%;
          display: none; /* Hidden by default on mobile */
          flex-direction: column;
          align-items: center;
          background-color: rgba(128, 128, 128, 0.95);
          padding: 20px 0;
          margin-top: 10px;
          border-radius: 0 0 12px 12px;
        }

        .main-nav.show {
          display: flex; /* Show when toggled */
        }

        .main-nav ul {
          flex-direction: column;
          gap: 15px;
        }

        .main-nav ul li a {
          font-size: 1.1rem;
        }

        /* Hamburger icon */
        .hamburger {
          display: flex;
          flex-direction: column;
          justify-content: space-between;
          width: 26px;
          height: 20px;
          cursor: pointer;
        }

        .hamburger span {
          height: 3px;
          width: 100%;
          background: white;
          border-radius: 2px;
          transition: all 0.3s ease;
        }

        /* Animate to X */
        .hamburger.active span:nth-child(1) {
          transform: rotate(45deg) translateY(8px);
        }
        .hamburger.active span:nth-child(2) {
          opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
          transform: rotate(-45deg) translateY(-8px);
        }
      }

      @media (max-width: 480px) {
        .logo a {
          font-size: 1.1rem;
        }
        .main-nav ul li a {
          font-size: 1rem;
        }
      }