body{

    font-family: 'Open Sans', sans-serif;
}

.box {
/*width: 100px;
height: 100px;*/
padding: 10px;
border: 3px solid gray;
background-color: #F8F8F8;
font-size: 18pt;
}

.header-banner {
    position: relative;
    width: 100%;
    max-width: 730px;      /* matches Bootstrap col-sm-8 container width */
    margin: 0 auto;        /* centers it */
    min-height: 300px;
    background-image: url('../images/delphi.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-title {
    color: white;
    font-weight: bold;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    padding: 40px 20px;
}

.header-title h1,
.header-title h4 {
    text-align: center;
}

/* Tooltip styles */
.tooltip-container {
    position: absolute;
    bottom: 8px;
    right: 8px;
}

.tooltip-trigger {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    font-weight: bold;
}

.tooltip-box {
    position: absolute;
    bottom: 32px;
    right: 0;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px){
    .header-banner {
        min-height: 250px;
        margin-left: 15px;
        margin-right: 15px;
    }
}

@media (min-width: 768px) {
  .navbar-nav {
    float: none;
    display: inline-block;
  }
  .navbar-collapse {
    text-align: center;
  }
  .navbar-brand:empty {
    display: none;
  }
}