/* ============================================================
   SECCION CERTIFICADOS
   ============================================================ */
.certificados {
    padding: 120px 0;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: background-color 0.4s ease, color 0.4s ease;
}

.galeria-certificados {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.certificado {
    position: relative;
    width: 100%;
    height: 320px;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certificado:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 46px rgba(var(--accent-rgb), 0.22);
}

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

.certificado:hover img {
    transform: scale(1.08);
}

.certificado .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(var(--bg-primary-rgb), 0.94));
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 22px;
    text-align: left;
}

.certificado h3 {
    font-family: var(--font-display);
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}

.certificado a {
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    padding: 8px 18px;
    border-radius: var(--radius-pill);
    transition: all 0.3s ease;
    width: fit-content;
}

.certificado a:hover {
    transform: scale(1.05);
}