:root {
    --primary: #0f766e;
    --secondary: #22c55e;
    --dark: #0f172a;
    --light: #ffffff;
}

.programs-section {
    width: 100%;
    font-family: 'Segoe UI', sans-serif;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.grid-item {
    min-height: 320px;
}

/* Image blocks */
.image {
    background-size: cover;
    background-position: center;
    position: relative;
}

.image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.35);
}

/* Content blocks */
.content {
    padding: 50px 40px;
    color: var(--light);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.content h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.content p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.content a {
    width: fit-content;
    color: var(--light);
    text-decoration: none;
    border: 1px solid var(--light);
    padding: 8px 18px;
    font-size: 13px;
    transition: 0.3s;
}

.content a:hover {
    background: var(--light);
    color: var(--dark);
}

.dark {
    background: var(--dark);
}

.highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.btn {
    border: none;
    background: var(--dark);
}

/* Bottom Join Section */
.join-section {
    background: var(--primary);
    color: white;
    text-align: center;
    padding: 60px 20px;
}

.join-section h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.join-section p {
    font-size: 14px;
    margin-bottom: 25px;
}

.subscribe {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.subscribe input {
    padding: 10px;
    width: 260px;
    border: none;
}

.subscribe button {
    background: var(--dark);
    color: white;
    border: none;
    padding: 10px 25px;
    cursor: pointer;
}

/* Responsive */
@media(max-width: 900px) {
    .grid {
        grid-template-columns: 1fr;
    }
}