.sustainability-section {
    padding: 80px 0;
    text-align: center;
}

.sustainability-section h1 {
    font-weight: 700;
    color: #1b4332;
    margin-bottom: 20px;
}

.sustainability-section p.lead {
    font-size: 1.2rem;
    color: #2d6a4f;
    margin-bottom: 50px;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

.eco-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease;
    background: white;
    padding: 30px 20px;
}

.eco-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.eco-card i {
    font-size: 2.3rem;
    color: #2d6a4f;
    margin-bottom: 15px;
}

.eco-card h6 {
    font-weight: 600;
    color: #1b4332;
}

.cta-btn {
    background: #2d6a4f;
    color: white;
    font-weight: 600;
    border-radius: 30px;
    padding: 12px 28px;
    transition: 0.3s;
    text-decoration: none;
    display: inline-block;
    margin-top: 30px;
}

.cta-btn:hover {
    background: #1b4332;
    color: white;
}

.tagline {
    background: #74c69d;
    color: white;
    display: inline-block;
    padding: 8px 18px;
    border-radius: 30px;
    margin-top: 40px;
    font-weight: 500;
    letter-spacing: 0.5px;
}