:root{
    --card-bg:#717275;
}

.main-container {
    max-width: 1200px;
    margin: 0 auto;
}



/* Header Styling */
.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 2.5em; /* 40px */
    font-weight: 800;
    color: #1a1a1a;
    display: inline-block;
    padding-bottom: 5px;
    border-bottom: 4px solid var(--accent-green);
}

.header p {
    font-size: 1.25em; /* 20px */
    color: #666;
    margin-top: 10px;
}

/* Grid Layout for Cards (Mobile-first: 1 column) */
.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

/* Card Styling */
.card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease-in-out;
    border-top: 4px solid;
    height: 100%; /* Ensure all cards have the same height in the grid row */
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.card h2 {
    font-size: 1.75em; /* 28px */
    font-weight: bold;
    margin-bottom: 15px;
}

/* Specific Card Coloring */
.card:nth-child(1), .card:nth-child(4) {
    border-top-color: var(--primary-blue);
}
.card:nth-child(2), .card:nth-child(3) {
    border-top-color: var(--accent-green);
}

.card:nth-child(1) h2, .card:nth-child(4) h2 { color: var(--primary-blue); }
.card:nth-child(2) h2, .card:nth-child(3) h2 { color: var(--accent-green); }

/* Content Styling */
.card p {
    line-height: 1.6;
    margin-bottom: 15px;
}

.card strong {
    font-weight: 700;
}

/* Links */
.card a {
    color: var(--accent-green);
    text-decoration: none;
    font-weight: 600;
}
.card a:hover {
    text-decoration: underline;
}

/* Mission List Styling (replaces <br><br> with standard list) */
.mission-list {
    list-style: none;
    padding-left: 0;
}

.mission-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.mission-list li::before {
    content: "\2022"; /* Unicode bullet point */
    color: var(--accent-green);
    font-size: 1.2em;
    position: absolute;
    left: 0;
    top: 0;
}

/* Responsive Breakpoint: 2 columns for medium screens and up */
@media (min-width: 768px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
}