:root {
    --accent: #1F4773;
    --accent-2: #74C043;
    --bg: #ffffff;
    --text: #28282a;
    --main-green: #74c043; /*marsh green */
    --Main-white: #ffffff;
    --Grey-White: #E0E0DB;
    --Blue-Black: #28282a;
    --Main-Blue: #1f4773;
    --Steel-Blue: #4682b4;
}

body {
    background-color: var(--Main-white);
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--Blue-Black);
    -webkit-font-smoothing: antialiased;
}

header {
      background: var(--Main-white);
      color: var(--Blue-Black);
      padding: 2rem 0 1rem 0;
      text-align: center;
}

.logo {
      height: 120px;
      width: auto;
      display: block;
      margin: 0 auto 1rem auto;
   /*   border-radius: 28px; */
   /*   box-shadow: 0 2px 8px var(--Blue-Black); */
}

header h1 {
    margin: 10px 0;
    font-size: 48px;
    font-weight: 600;
    color: var(--main-green);
}
    main {
      max-width: 700px;
      margin: 0rem auto;
      padding: 1rem;
      background: var(--Main-white);
      /*border-radius: 8px;*/
      /*box-shadow: 0 2px 8px var(--Blue-Black);*/
    }
    main h1
    {
    margin: 10px 0;
    font-size: 36px;
    font-weight: 400;
    color: var(--main-green);
    flex: 1;                      /* keeps text centered */
    }
    
    footer {
      display: flex;
      justify-content: center;      /* centers horizontally */
      align-items: center;          /* centers vertically */
      position: relative;
      background: var(--main-green);
      color: var(--Main-white);
      text-align: center;
      padding: .5rem 0 .5rem 0;
      margin-top: 2rem;
      margin-left: 2rem;
      margin-right: 2rem;
      font-size: 1rem;
      letter-spacing: 1px;
    }
    
.footer-container {
    display: flex;
    /*(max-width: 700px;* */
    justify-content: center;      /* centers horizontally */
    align-items: center;          /* centers vertically */
    position: absolute;
    bottom: 5px;
    margin: 0 auto;
    padding: 3px;
}
.footer-left {
      /*display: inline-;*/
      align-items: center;
      position: absolute;
      left: 20px;
      /*margin-right: 1rem;*/
      padding: .5rem 0 .5rem 0;
      }
.footer-right {
      /*display: inline-;*/
      align-items: center;
      position: absolute;
      right: 80px; 
      /*text-align: right;*/
      /*margin-left: 1rem;*/
      padding: .5rem 0 .5rem 0;
      }
      
.footer-text {
    flex: 1;                      /* keeps text centered */
    text-align: center;
}

.social-logo {
    /*width: auto;*/
    /*height: auto;*/
    position: relative;
    /*right: 20px;*/
    margin-left: 20px;
}

nav {
      margin-top: 1rem;
      margin-left: 2rem;
      margin-right: 2rem;
      font-size: 1.25rem;
      font-weight: 600;
      }
nav a {
      margin: 0 1rem;
      text-decoration: none;
      color: var(--main-green);
      font-weight: 600;
      transition: color 0.2s;
      }
    nav a:hover {
      color: var(--main-green);
      font-size: 1.3rem;
      font-weight: 800;
    }

.button-group {
    text-align: center;
    margin: 25px 0;
    padding: 0 20px;
}

.button-group button {
    background: var(--Steel-Blue);
    color: var(--Main-white);
    border: none;
    padding: 11px 16px;
    margin: 5px 7px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.button-group button:hover {
    background: var(--accent-2);
}

.button-group button.active {
    background: var(--accent-2);
}

.images-container {
    padding: 10px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 15px;
}

.image-item {
    background: #fff;
    padding: 10px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: transform 0.2s, opacity 0.3s, filter 0.3s;
}

.image-item:hover {
    transform: translateY(-2px);
}

.image-item img {
    max-width: 100%;
    height: auto;
    display: block;
}

.grayed-out {
    filter: grayscale(100%);
    opacity: 0.4;
}

@media (max-width: 600px) {
    .logo {
        height: 60px;
    }
    
    .header h1 {
        font-size: 22px;
    }
    
    .button-group button {
        padding: 9px 13px;
        font-size: 13px;
        margin: 4px 5px;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 12px;
    }
}