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

.minerals-section h1 {
    font-weight: 700;
    color: #0b2545;
    margin-bottom: 20px;
}

.minerals-section p.lead {
    font-size: 1.2rem;
    color: #2c5282;
    margin-bottom: 50px;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

.mineral-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 25px;
}

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

.mineral-card i {
    font-size: 2.4rem;
    color: #0066cc;
    margin-bottom: 15px;
}

.mineral-card h6 {
    font-weight: 600;
    color: #0b2545;
}

.tagline {
    background: #0066cc;
    color: white;
    display: inline-block;
    padding: 8px 18px;
    border-radius: 30px;
    margin-top: 40px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.cta-btn {
    font-weight: 600;
    border-radius: 30px;
    padding: 12px 25px;
    transition: 0.3s;
    text-decoration: none;
    display: inline-block;
    margin: 10px;
}

.btn-outline-primary {
    border: 2px solid #e68900;
    color: #0066cc;
}

.btn-outline-primary:hover {
    background: #0066cc;
    border: 2px solid #0066cc;
    color: white;
}

.btn-warning {
    background: #ff9800;
    border: none;
    color: white;
}

.btn-warning:hover {
    background: #e68900;
    color: white;
}