:root {
    /* Colors */
    --color-primary-text: #374151;
    /* Dark Gray */
    --color-secondary-text: #111827;
    /* Darker Gray/Black */
    --color-background: #FFFFFF;
    --color-accent: #0F766E;
    /* Teal/Green */
    --color-accent-hover: #0d655e;
    --color-light-gray: #f3f4f6;

    /* Fonts */
    --font-primary: 'Jost', sans-serif;

    /* Spacing */
    --container-width: 1200px;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    color: var(--color-primary-text);
    background-color: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
}

/* Main Content Grid Styles */
#content-grid-section {
    padding: 4rem 0;
}

.grid-4-col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.grid-item {
    position: relative;
    overflow: hidden;
    height: 300px;
    /* Fixed height for uniformity */
    cursor: pointer;
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.grid-item:hover img {
    transform: scale(1.1);
}

.grid-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.grid-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.grid-hover-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
    opacity: 0;
}

.grid-item:hover .grid-hover-content {
    max-height: 100px;
    /* Adjust as needed */
    opacity: 1;
}

.read-more {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    /* White text */
    border-bottom: 1px solid white;
}

/* Responsive */
@media (max-width: 992px) {
    .grid-4-col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .grid-4-col {
        grid-template-columns: 1fr;
    }
}