a{
        text-decoration: none;
    }
    h1 {
      font-size: 2em;
      margin: 1.5em 0 1em;
    }

    h1 {
      font-size: 2em;
      margin: 1.5em 0 1em;
    }

    .header-section {
      background-image: url("https://www.csrmandate.org/wp-content/uploads/2021/06/dreamstime_l_94990713.5ffd0d91ecc7e-1.png");
      background-size: cover;
      background-position: center;
      color: white;
      position: relative;
      text-align: center;
      padding: 3em 1em;
    }
    .header-section::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.644);
      z-index: 1;
    }
    .header-section h1,
    .header-section p {
      color: white;
      position: relative;
      z-index: 2;
    }

    .header-section h1 {
      font-size: 2.2em;
      margin-bottom: 0.5em;
    }

    .header-section p {
      font-size: 1.2em;
      max-width: 800px;
      margin: 0 auto;
    }

    .switch {
      padding: 80px 0px;
    }

    .submit {
      margin: 70px 0px;
    }

    .why-section {
      padding: 2em 1em;
    }

    .why-section h2 {
      font-size: 1.8em;
      margin-bottom: 1em;
    }

    .features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.5em;
      max-width: 1300px;
      margin: 0 auto;
    }

    .feature-card {
      background-color: var(--card-bg);
      border-radius: 10px;
      display: flex;
        flex-direction: column;
        align-items: center;
      padding: 2em 1em;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.178);
    }
.feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }


    .feature-card span {
      font-size: 2em;
      display: block;

    }

    .feature-card h3 {
      color: var(--text-color);
      font-size: 1.2em;
    }

    .feature-card p {
      color: var(--text-light);
      font-size: 0.95em;
    }


/* button */
    .acbtn{
        background-color: #15803d;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 6px;
        font-size: 16px;
        cursor: pointer;
        transition: background-color 0.3s ease;
    }

    @media (max-width: 600px) {
      .header-section h1 {
        font-size: 1.6em;
      }

      .header-section p {
        font-size: 1em;
      }

      .why-section h2 {
        font-size: 1.4em;
      }
    }

    /* //// CLUB  */

    .clubs-container {
      display: grid;
      width: 100%;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
        max-width: 1300px;
      margin: 0 auto;
    }

    .club-card {
      background-color: var(--card-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    }

    .club-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    .club-content {
      padding: 20px;
      text-align: left;
    }

    .club-content h2 {
      margin: 0 0 0.5em;
      font-size: 1.2em;
      color: var(--text-color);
    }

    .club-content p {
      margin: 0.3em 0;
      font-size: 0.95em;
      color: var(--text-light);
    }

    .join-button {
      display: block;
      width: 100%;
      text-align: center;
      margin: 1em auto;
      padding: 0.6em;
      background-color: #15803d;
      color: white;
      border: none;
      border-radius: 6px;
      font-size: 1em;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

    .join-button:hover {
      background-color: #166534;
      color: white;
    }