.materiais-hero {
    margin-bottom: 40px;
}

.materiais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin: 24px 0 48px 0;
}

.material-card {
    background: #fff;
    border: 1px solid #b3b3b3;
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.material-card:hover {
    border-color: #4ebcc2;
    box-shadow: 0 6px 18px rgba(3, 40, 66, 0.08);
}

.material-card h2 {
    font-family: 'Bebas Neue', cursive;
    color: #032842;
    font-size: 1.5em;
    margin: 0;
}

.material-card p {
    color: #4a4a4a;
    margin: 0;
    font-size: 0.95em;
    line-height: 1.55;
}

.material-card__badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #4ebcc2;
    color: #fff;
    font-size: 0.7em;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.material-card--locked {
    background: #f5fafb;
}

.bt-download {
    margin-top: auto;
    background: #4ebcc2;
    border: 1px solid #4ebcc2;
    color: #fff;
    padding: 10px 20px;
    border-radius: 999px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.bt-download:hover,
.bt-download:focus {
    background: #032842;
    color: #fff;
}